Hydraulic Modular Trailers
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Hydraulic Modular Trailers

we provide china made,heavy hydraulic multi axle with variety of model which are able to Compatible with European made trailers, such as Nicolas MDED, Scheuerle InterCombi, Kamag K25, Cometto MS,which can meet with heavy truck cargo haul, along with self propelled added.
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Product Description

Overview of Hydraulic Modular Trailer

The modular trailers is commonly used hydraulic multi axle trailer, also called hydraulic module trailer. The hydraulic axles modular trailers has the characteristics of compact structure, large bearing capacity, small turning radius, etc. the main beam strength can bear more concentrated load after special strengthening, the steering cylinder is built-in, and the steering force is large, convenient and practical.


The connection between the unit modular trailer and the unit modules is made up of several sets of universal connecting pieces at home and abroad. The connection strength is high, it is not easy to break, and the splicing is convenient, which can greatly improve the splicing speed.


The suspension frame and balance arm are welded structure and adopt Goldhofer and Scheuerle transporter design principle, with high strength and beautiful appearance.



Main components of hydraulic axles modular trailers

1) Main beam: welded into I-shape with high strength steel, and connecting ear plates are set at the lower part of main beam at both ends of module.


2) Auxiliary beam: welded with high-strength steel to form the bearing structure frame of Hydraulic modular trailer with main beam.


3) Beam: connecting the main beam and the auxiliary beam.


4) Inclined support: support the main beam and auxiliary beam.


5) End beam: steering end beam, connecting end beam and retaining beam.


6) Suspension system: it is supported on the auxiliary beam to support and connect the axle. The suspension system includes walking mechanism.


7) Steering system: transfer steering.


8) Hydraulic system: provide and transfer hydraulic power for suspension and steering.


9) Brake system: including service brake and parking brake, composed of air circuit, control system and actuator.


10) Connecting device: connecting pin, connecting bolt, connecting block, etc.


11) Auxiliary equipment: power unit, gooseneck, draw bar, control box, etc.




Hydraulic modular trailer dimensions


Platform size


platform length


The length of the platform can be spliced into different axes according to the actual use requirements, and each axis is 1.55m and 1.6m in length.


platform width


The width of the platform can be divided into 2 columns, 3 columns and 4 columns according to the use requirements. 2. The width of longitudinal light plate is 2.99m, and that of heavy plate is 3.4m or 3.6m; The width of 3 longitudinal light-weight plates is 4.81M; 4-column light


platform height


The height of the platform can be adjusted by adjusting the stroke of the suspension hydraulic cylinder, and the height of the platform can be raised and lowered from 0.75 m to 1.4 M. It is beneficial to pass through high-altitude obstacles and facilitate loading, unloading and other operations. Pay attention to the poor trafficability of the axis car when the cargo platform is too high or too low, especially the ground clearance.


Hydraulic modular trailer type

Type

N3.0

N3.4

G3.0

Platform Width (mm)

2,990

3,400

3,000

Wheelbase (mm)

1,550

1,600

1,500

Platform Height (mm)

1,080±300

1,070±210

1,175±300

Min. Height (mm)

780

860

875


Benefits of modular trailers

The ODC(over dimension cargo) ,For logistics, large items, as the name implies, are the items with advantages in weight and volume. In the transportation trailer, there are strict requirements for large items, which can not be completed by ordinary transportation vehicles, but by special transportation trailer.


hydraulic module trailer is widely used in the long-distance transportation of large-scale objects such as bridge tunnel construction, electric power construction, petrochemical construction and so on; The design concept is the most advanced in the world, with light weight, large load, wide range of adaptability, reliable and durable; The modular structure can be used to combine horizontally and vertically; Axis 2-7 of single vehicle; The combined load tonnage is from 50 tons to 3500 tons; The greatest advantage of the series of hydraulic module trailer is the possibility of multiple combinations. For large goods with medium height and high height, multiple modular loading platforms can be used for horizontal and longitudinal splicing. Users can combine them according to different weight, length and width of goods, so as to meet the requirements of cargo transportation, reduce transportation cost and shorten transportation cycle, such as equipped with customized turntable and concave module, It can be expanded into flexible trailer and concave flat trailer, which can transport super long structure and super high cargo.


Therefore, large equipment transportation generally refers to the transportation and distribution of large equipment.


Heavy cargo transportation includes over size and over weight.

Over height equipment (goods) refers to the loading outline size exceeding the vehicle gauge standard; over gauge equipment (goods) refers to the total weight of the vehicle acting on the bridge more than the design live load.


It mainly includes: generator stator, rotor, boiler drum, water wall, deaeration water tank, high and low pressure heater, girder, etc. in large-scale thermal power equipment; runner, upper and lower frame, rotor, stator, main shaft, stay ring, water guide mechanism, gate hoist, main transformer, station transformer, interconnection transformer, reactor, and high-voltage electrical equipment in large-scale hydraulic power equipment. All of them are ODC cargo, and need go with Modular trailer.


What are the applications of modular trailers

With the rapid development of China's economy and engineering construction, the transportation volume of large-scale super long, super wide and super high materials is increasing. Limited by the volume, mass and road conditions of the goods themselves, the traditional transport vehicles have been difficult to meet the requirements, sometimes only using a combined heavy-duty multi axle semi-trailer can solve the problem.


We have provided numerous excellent transport solutions and qualified equipment for lots of Heavy Duty Transport Enterprises,Railway Project Construction Companies,Power Construction Companies,Oil Field Construction Companies as well as Shipbuilding Companies both home and abroad.


The so-called combined heavy-duty multi axle semi-trailer refers to a kind of trailer which is coupled by a tractor, evolved from the combined heavy-duty multi axle semi-trailer. Through random combination (longitudinal or transverse splicing), various size models of semi-trailer can be derived, such as 3-axle, 4-axle, 5-axle Up to 10 or more axes. Having one such combined semi-trailer is equivalent to having several or even 10 or 20 ordinary semi-trailers. It can not only meet the needs of transportation of huge materials of different sizes, but also reduce the purchase cost of single size semi-trailer and greatly reduce the storage area. It's no exaggeration to say it's one for ten. Although the cost of purchasing this kind of vehicle is high, it is still favored by some special users.


hydraulic-modular-trailers
scheuerle-transporter
multi axle trailer
multi axle


Here are some examples field of modular trailer be used

Heavy Duty Transport Enterprises

Railway Project Construction Companies

Power Construction Companies

Oil Field Construction Companies as well as Shipbuilding Companies both in china and abroad


Your Professional Hydraulic Modular Trailer Manufacturer


we are a State-dedicated special purpose vehicle manufacturer with expertise in the design, manufacture, inspection, sales and service in special purpose vehicles (especially heavy-duty carriers). In particular, the parent company can design special purpose vehicles and heavy-duty carriers for different purposes according to different customer requirements on the transportation. The product series of the parent company include: 900T high-speed-railway carrier for concrete girder, 900T girder lifter, 120 ~ 800T hydraulic flatcar, construction vehicles, tankers, vans, public service vehicles, medical vehicle, cleaner vehicles, chemical liquid tanker, etc..


we has successfully supplied world-class products and service for customers from India(TCI,SFC,etc.),Holland(MammoetB.V.),SouthKorea(HyundaiShipbuilding),Canada,Argentina, Middle-east,and Southeast Asia Countries.The Hydraulic Module Trailer,Self-propelled Module Trailer,Shipyard Transporter,Steel Transporter,Girder Transporter,Truck Crane,Construction Machinery and other Special Purpose Vehicle of our Group have being creating treasure for the buyers from all walks of sectors in the world.


Since we have such strong basis, we are able to provide qualified product for our users. In the meantime, the overseas after-sale service and technical sustain has eased the worry of our customers to a large extent. We hope that we can be awarded the opportunity to serve you with good product and favorable price.


Our Service

After the trailer arrived, we will send our technician to the client, to supply the technical training to the operation persons. The main course will include illustration of the basic structure, hydraulic system, brake system and other parts of the trailer; refer to the corresponding chapter of the operation manual, to introduce the operation steps, noted items, security regulations, diagnosis and examination of failures.


Technical service

At the first time of escort transport operation by the client, we will send technician to participate, to supply complete and reliable technical guarantee.


As per the actual operation of the trailer, we will produce spare parts to guarantee that the supply of parts and components will be sufficient and in time.


At the course of overhaul and maintenance, we will give the client preference for procure the spare parts both on price and delivery.


Once failure happens, no matter what reasons, if client need, we will send technician to the site as soon as possible to assist to deal with the failure.


Ruiqianhe: Your Leading modular trailer Manufacturer


Technical Strength


Ruiqianhe have our own engineers and designers to give you professional suggestions for Solution, and so on. we will offer you the perfect design.


Substantial Experience


As one of the earliest companies engaged in manufacturing modular trailer in China, owns over 20 years of experience. We have customers all over the world in more than 60 countries.


Professional Technical Team


As a modular trailer manufacturer since 2000, Ruiqianhe has professional and experienced engineers, with 20 years of experience in manufacture, service, and training. We are ahead of other competitors in technology. Our professional R&D team will provide you perfect trailer.


Hydraulic Modular Trailer: The Helpful Guide for Importers

1.what is a Hydraulic modular trailer

Part one: structure

Main components of Hydraulic modular trailer:


1) Main beam: welded into I-shape with high strength steel, and connecting ear plates are set at the lower part of main beam at both ends of module.


2) Auxiliary beam: welded with high-strength steel to form the bearing structure frame of Hydraulic modular trailer with main beam.


3) Beam: connecting the main beam and the auxiliary beam.


4) Inclined support: support the main beam and auxiliary beam.


5) End beam: steering end beam, connecting end beam and retaining beam.


6) Suspension system: it is supported on the auxiliary beam to support and connect the axle. The suspension system includes walking mechanism.


7) Steering system: transfer steering.


8) Hydraulic system: provide and transfer hydraulic power for suspension and steering.


9) Brake system: including service brake and parking brake, composed of air circuit, control system and actuator.


10) Connecting device: connecting pin, connecting bolt, connecting block, etc.


11) Auxiliary equipment: power unit, gooseneck, draw bar, control box, etc.

2. Suspension system:


2.1 composition of suspension system:


1) Suspension pivot: it is fixed on the auxiliary beam with bolts.


2) Suspension arm: a shaft seat hole is installed between the suspension arm and the pivot to make the suspension arm rotate under the drive of the steering tie rod to realize steering.


3) Suspension fork: connecting suspension arm and axle.


4) Oscillating axle: connecting wheels.


5) Suspension cylinder: connect the suspension arm and suspension fork, play a supporting role, can adjust the height of the cargo platform.


6) Wheel: including wheel hub, brake hub, brake shoe and tire.


3. Steering system:


3.1 steering system composition:


The steering system is mainly composed of steering pivot, steering hydraulic cylinder, steering longitudinal rod, steering tie rod, intermediate shaft, steering control wheel, suspension and other components.


3.2.1 transmission of automatic steering


Drawbar → steering pivot → front half longitudinal link → control panel → tie rod → suspension → wheel.


↘ Front steering hydraulic cylinder → steering circuit → rear steering hydraulic cylinder → rear beam pivot → rear half longitudinal link → rear half steering control panel → rear half tie rod → rear half suspension → wheel.


3.2.2 transfer of control steering (take the former steering end beam control as an example)


Front half steering transmission: hydraulic power → front end beam control valve → front end beam steering cylinder rod cavity → front steering cylinder → front steering pivot → front longitudinal link → front steering control wheel → front tie rod → front suspension arm → wheel steering.


Rear half steering transmission: hydraulic power → front beam control valve → front beam steering cylinder rod cavity → front steering cylinder rod free cavity → hydraulic circuit → rear beam steering cylinder rod free cavity → rear beam pivot → rear longitudinal rod → rear steering control panel → rear tie rod → rear suspension arm → rear wheel steering.


3.3 steering control mode


3.3.1 automatic steering


The automatic steering is driven by the tractor, and the front part of the axis car is transmitted by the pull rod (mechanical transmission). The hydraulic cylinder of the rear half is transferred by the hydraulic circuit

3.3.2 steering control


The steering can be controlled by the front end beam or the rear end beam respectively. Operate the steering control valve handle on the front and rear control box to turn. Under special conditions, it can also be controlled at the same time, but the front and rear control should be coordinated


4. Gooseneck


4.1 characteristics of gooseneck


The power gooseneck is the connecting device of the axle car and the tractor to form the semi-trailer axle car. The utility model enables the axle car to obtain the advantages of a semi-trailer, and the power gooseneck has its own characteristics.


4.1.1 advantages: the load of the axis car can be divided into the tractor saddle (five wheel load), and the tractor counterweight is not required. Small swing of driving trailer can improve vehicle speed.


4.1.2 features: with ballast, it can realize the change of load on the saddle. With steering, it can realize automatic steering driven by tractor and hydraulic power control steering.


4.1.3 limitation: there should not be too many axes (20 axes), which will affect the adhesion of tractor.


4.2 gooseneck structure


The power gooseneck is composed of traction pin, traction turntable, ballast cylinder, power take-off cylinder, steering regulating cylinder, gooseneck support cylinder, accumulator, outrigger, connecting end beam, control components, etc.


4.3 gooseneck ballast


The load of gooseneck on saddle is determined by working pressure of ballast cylinder and installation hole position. The working pre

ssure of the ballast cylinder is determined by the loading weight, the loading position and the grouping of the fulcrum.


4.4 gooseneck steering transmission


4.4.1 transmission of gooseneck automatic steering


When the gooseneck steering is automatic, the tractor drives the turntable to rotate. The turntable transmits the steering to the power take-off cylinder. The power take-off cylinder acts. The hydraulic oil in the rod cavity of the power take-off cylinder enters the rod cavity of the steering adjusting cylinder to drive the steering adjusting cylinder to drive the steering longitudinal rod of the front half of the car. The longitudinal rod drives the steering control wheel and then the steering tie rod, Drive the suspension arm and wheels to realize the steering of the front half of the car. The steering signal of the rear half car is output from the rodless cavity of the power take-off cylinder, which is transmitted to the rodless cavity of the rear beam steering cylinder through the hydraulic pipeline. The rear steering cylinder drives the steering pivot of the rear beam, the pivot drives the steering longitudinal rod of the rear half car, the longitudinal rod drives the steering control wheel of the rear half car, and the steering control wheel drives the tie rod, Then drive the suspension arm and wheels of the rear half car to realize the steering of the rear half car.


4.4.2 gooseneck front automatic steering and rear control steering


Gooseneck control steering can realize the automatic steering of the front half of the car driven by the tractor, and the steering of the rear half of the car is controlled by the operator by hydraulic power. When steering, open the valve of power take-off cylinder rodless cavity and rear end beam steering cylinder rodless cavity circuit to connect the two closed circuits. The power take-off cylinder and the rear steering cylinder operate independently. The front half of the car is driven by the tractor, and the rear half of the car is driven by the operator to control the oil in the rod cavity of the rear steering cylinder.


4.4.3 front and rear steering control


The front and rear hydraulic power steering are controlled by the operator respectively. For the steering control of the front half of the vehicle, open the valve of the power take-off cylinder with rod cavity and the control cylinder with rod cavity, connect the two circuits, and the power take-off cylinder and the control cylinder act independently. The operator controls the steering control valve on the gooseneck to push the steering regulating cylinder to control the steering of the front half of the car. For the steering control of the rear half vehicle, the isolation valve of the rodless cavity of the power take-off cylinder and the rodless cavity of the rear beam steering cylinder is opened, and the two circuits are connected. The power take-off cylinder and the rear steering cylinder act independently. The operator controls the steering control valve of the rear beam, and the hydraulic power pushes the rod cavity of the rear steering cylinder, and the rear steering cylinder acts to realize the steering control of the rear half vehicle.


5. Long cargo turntable


To transport super long goods, in order to make the steering flexible, a steering wheel is added to the front and rear axis vehicle, which is called long goods turntable.


5.1 structure of long cargo turntable


The turntable is mainly composed of upper bearing surface, base, center ball pin, sliding shoe, servo cylinder and other structures


5.2 turning of long cargo turntable


The use of long cargo turntable can realize automatic steering driven by tractor and manual steering control. When driving on the highway, the tractor drives the automatic steering. When going in and out of the construction site, it will be turned by manual operation.


5.2.1 automatic steering


Automatic steering is driven by tractor. The tractor drives the front car to turn, and the steering signal is transmitted to the rear rotary table through the long goods. The rear rotary table drives the servo cylinder installed on the rear rotary table to act, and the rod less cavity of the servo cylinder is connected with the rod less cavity of the steering cylinder of the rear car. The steering signal is transmitted to the steering cylinder of the rear axle car through the hydraulic pipe, which drives the steering cylinder of the rear axle car to act and drive the rear axle car to turn.


One steering end beam is used when the number of rear axle lines is less, and two steering end beams are used when the number of rear axle lines is more. When a steering end beam of the rear car is turned, the rod less cavity of the steering cylinder on the turntable is connected with the rod less cavity of the steering cylinder on the rear end beam. The steering cylinder of the steering end beam moves with the steering cylinder on the turntable, and transmits the rotation of the turntable to the rear axle car, so that the rear axle car turns with the turntable. When the rear axle car has two steering end beams, just as when there is one end beam, the steering of the turntable is transferred from the rodless cavity of the steering cylinder of the rotary table to the rodless cavity of the steering cylinder of the rear axle car, which drives the rear half of the axle car to turn. Then, the rod cavity of the steering cylinder of the rear end beam is transmitted to the rod cavity of the front end beam to drive the front half of the axis car to turn.


5.2.2 steering control


In most cases, the front axle car is used to turn automatically while the rear axle car is used to control the turning. In special cases, the steering is controlled before and after use. The automatic steering and control steering of the front axle car are the same as that of the ordinary axle plate. When the rear axle car controls the steering, put the reversing valve of the connecting pipeline between the rotary table and the rear steering cylinder of the axle car into the manual control position. The two pipelines are connected, and the rotary table steering cylinder and the rear end beam steering cylinder form an independent steering circuit respectively. The axle car does not turn with the rotary table, but controls the rear end beam to control the steering of the axle car.


6. girder bridge


6.1 structure of girder bridge

The transportation mode of girder bridge can reduce the transportation height and disperse the concentrated load. It is used to transport heavy and super-high goods. Transport the transformer with girder bridge

The girder bridge is mainly composed of bearing beam, inclined fork beam, front and rear tower, inclined support rod, transverse support rod, suspension, cross arm beam, etc


6.2 turning of transport mode of girder bridge


The girder bridge transportation is similar to the long cargo turntable transportation in steering, which can realize the automatic steering driven by tractor and can also be controlled by hydraulic power.


The transport mode of girder bridge is to turn to hydraulic circuit.


Part two: performance parameters of Hydraulic modular trailer


1. parameters


The capacity of Hydraulic modular trailer is related to the use conditions and environmental conditions. Such as weather, road surface, loading, speed, vehicle technical conditions and other factors have a greater impact on the bearing capacity. The actual use should be considered.


1.1 uniaxial loading


longitudinal light plate single axle rated load 28 tons, Hydraulic modular trailer single axle weight 3 tons, therefore, single axle load 25 tons.


1.2 vehicle load


The Hydraulic modular trailer can be spliced into different axes, and the load-carrying capacity of the whole vehicle is not a simple sum of the single axle load. Various factors should be considered.


1.2.1 longitudinal load curve


The main beam of Hydraulic modular trailer has certain rigidity and strength. If the bending moment of the main beam is too large, which exceeds the design limit range of the main beam, the deformation will be too large or even damaged. The general instruction gives the value of allowable concentrated load, which should be observed in use.


1.2.2 lateral stability


When the center of gravity of the goods is high, it is necessary to consider the lateral overturning to prevent the lateral overturning caused by too large cross slope or partial load. Stability calculation must be carried out. Generally, it is calculated according to the allowable cross slope angle. It mainly depends on the number of columns of flatbed truck and the height of gravity center after loading. The empirical formula is as follows: the allowable cross slope angle = the column coefficient / the height between the center of gravity and the cargo platform; the column coefficient is 2, and the column is 21; 50 for 3 columns


1.2.3 load center


Three point support is adopted, and the loading center is in the center of triangle. The center of gravity of goods should be aligned with the loading center when loading.


The load center of gooseneck should be moved forward, considering that the load capacity of gooseneck is equal to that of more than one axis.


2.1 maximum steering angle


The maximum steering angle refers to the maximum allowable angle of the outermost axle at both ends of the axis car, generally 45 degrees, 50 degrees, 55 degrees, etc.


2.2 instantaneous rotation center


The center of rotation is the intersection of the extended line of the fixed axle and the extended line of the maximum steering axle, around which the axle car rotates when turning.


2.3 minimum turning radius


The distance from the center of rotation to the outermost track of the axis car when the axis car turns to the maximum angle.


2.4 traffic width at minimum turning radius


At the maximum turning angle of the Hydraulic modular trailer, the distance from the center of rotation to the outermost track minus the distance from the center to the innermost track.


3. platform size


3.1 platform length


The length of the pallet can be spliced into different axes according to the actual use requirements, and each axis is 1.55m and 1.6m in length.


3.2 platform width


The width of the platform can be divided into 2 columns, 3 columns and 4 columns according to the use requirements. 2. The width of longitudinal light plate is 2.99m, and that of heavy plate is 3.4m or 3.6m; The width of 3 longitudinal light-weight plates is 4.81M; 4-column light


3.3 platform height


The height of the platform can be adjusted by adjusting the stroke of the suspension hydraulic cylinder, and the height of the China heavy lift - China heavy lift lift light pallet can be raised and lowered from 0.75 m to 1.4 M. It is beneficial to pass through high-altitude obstacles and facilitate loading, unloading and other operations. Pay attention to the poor trafficability of the axis car when the cargo platform is too high or too low, especially the ground clearance.


4. Trafficability parameters


4.1 approach angle


Approach angle refers to the maximum slope that the front end of the axis car is allowed to pass when it is uphill.


4.2 departure angle


Departure angle refers to the minimum slope allowed at the rear end when the axis car is going downhill.


4.3 ground clearance


The ground clearance of the axis car refers to the distance from the lowest point of the axis car to the ground. The ground clearance is larger when the height of the axis car is 1.05M. When the cargo platform is too low, the main beam is close to the ground, which reduces the ground clearance. When the cargo platform is too high, the suspension arm is open, and the brake cylinder is close to the ground.


4.4 radius of concave curve


The radius of concave curve refers to the parameter that the axis vehicle can pass when passing through the excavated road surface, expressed in radius.


4.5 radius of convex curve


The radius of convex curve refers to the parameter that the axis vehicle can pass through the convex Road, which is expressed by radius.


Approach angle, departure angle, concave convex curve radius and other trafficability parameters are closely related to the number of axes. The longer the axis is, the smaller the allowable value is, and the larger the allowable value is in a short time.


5. Load distribution of axis car to ground


Because the Hydraulic modular trailer adopts hydraulic suspension, the suspension hydraulic cylinder is programmed into three independent circuits, and the pressure in each circuit is the same. Under the condition of uniform loading, the pressure of the three circuits is close to each other. The ground load of each axis is approximately the same.


6. Working pressure of hydraulic system


6.1 rated pressure of hydraulic circuit


The hydraulic power of the Hydraulic modular trailer is provided by the power unit. The engine of the power unit drives the hydraulic pump to output the hydraulic power. In order to protect the hydraulic pump and prevent the hydraulic components from being damaged by excessive pressure in the hydraulic circuit. The hydraulic circuit is equipped with a pressure limiting valve to limit the maximum pressure of the circuit. The pressure limiting valve of China heavy-lift lift plate is installed on the steering end beam, and the rated pressure (240 bar) has been adjusted at the factory. Generally, no adjustment is required. When the oil supply pipe and oil return pipe of the power unit are not connected with the steering end beam, the power unit will be damaged due to high pressure. Only after connecting the oil supply pipe and oil return pipe of the steering end beam, can the power unit be started. Limited pressure valves are generally installed on domestic power units. The rated pressure can be adjusted. The rated pressure should be adjusted according to the standard of the instruction manual, not too high.


6.2 actual working pressure of hydraulic circuit


The working pressure of the hydraulic circuit is not only limited by the pressure limiting valve, but also affected by the load. The working pressure is actually determined by the load. The pressure multiplied by the area of the actuating cylinder is the output force. No load, no pressure. When lifting or steering operation, the maximum pressure can reach the rated pressure, will not exceed the rated pressure. When the valve is closed and the load is too large, the actual working pressure may exceed the rated pressure, which will cause damage to the hydraulic components or hydraulic pipelines. If the load is overloaded, the pressure of the suspension cylinder will exceed the rated pressure, so that the pressure of the three-point support circuit will exceed the rated pressure. Sometimes, even if it is not overloaded, due to the inequality of road surface and uneven loading, the pressure of a support circuit will be too high and exceed the rated pressure. Pay attention in use.


7. Brake circuit air pressure


The rated air pressure of the brake circuit is 7.8 bar. Controlled by air pressure regulator.


8. Tire pressure


For 750r15x tire, the tire pressure standard is as follows:


Each axle load (deadweight + cargo weight) is 12 tons, each tire load is 3 tons, the driving speed is 25 km / h, and the tire pressure is 9.5 bar.


Each axis load (deadweight + cargo weight) is 14 tons, each tire load is 3.5 tons, the driving speed is 10 km / h, and the tire pressure is 10.5 bar.


What's the price of modular trailer

Due to different kinds of trailers, and this equipment can be customized.The reference price range for conventional models is US$15,000/line


How to choose modular trailer?

In order to recommend a suitable trailer to your company, the following product information needs to be confirmed:

1.Product type, such as capacity, length, height, etc.

2.Product dimensions (length, width and height). If there have multiple specifications, please list them or provide the maximum and minimum dimensions.

3.Product weight. If there have multiple specifications, please list or provide the maximum and minimum weight.

4. The speed requirements. whether it is passed at a uniform speed?

5.Accuracy requirements (how many axle line of the trailer is unqualified) or more than one less.


Other things to be verified are: the front and back steering, the suspension direction, the height of the platform from the ground, the steel grade of the product to be pointed.


If you don’t know these requirements well, it doesn’t matter. Contact customer service, we will guide you to choose the right trailer.


Do you have a manual or operation video for us to learn more about the trailer?

Yes, we can not only make manuals or operation videos according to your design, but also provide videos.


Can you customize modular trailer as required?

Yes, we can customize the trailer which according to customers' requirements.


What is the quality of your modular trailer?

The quality of our modular trailer is strictly controlled. After the finished product, we need more than several times of product test before it leaves the factory.

(1) Strength calculation report with applied materials information;

(2) 100%NDT(non-destructive inspection) report of steel plate, tube and welding rod;

(3) 100% X-ray inspection( (Longitudinal, transversal safety inspection)): ensure the quality of welding

(4) Hydraulic test: ensure the standard working pressure and safety;

(5) Third-party inspection report: By SGS or Lloyd

(6) Passed ISO: 9001


Can we arrange technicians to go overseas for commissioning?

After the equipment leaves the factory, someone will follow up the transportation process. After the equipment arrives at the destination, there are detailed operations using video to guide the commissioning and installation. In the later stage, there is a professional technical team who can follow up the experience of remote video at any time.


modular trailer Team


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Shanghai Ruiqianhe Imp & Exp Co.,Ltd
Address: 41-421, No.1818, Lianhang Road, Shanghai, China
Tel: +86-21-34780290
Fax: +86-21-34780291
Mob: +86-13906107837
E-mail: info@heavydutymodule.com

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