阅读说明：本技术 一种利于实战快速通行疏导的自行钢便桥 (Do benefit to steel temporary bridge by oneself of quick current mediation of actual combat ) 是由 朱小杰 张远大 方刚 秦九爱 闫龙 陈康 陈业新 李仁义 于 2020-05-12 设计创作，主要内容包括：本发明公开了一种利于实战快速通行疏导的自行钢便桥,包括常规平板车本体,其特征在于：还包括平板车本体锁紧机构、模块式操纵平台、液压升降装置、液压锁紧装置、液压伸展装置和箱式折叠钢便桥。本发明,在折叠时占用空间小,便于携带和运输。本发明适用于所有的车辆和行人通行,能够适合在各种复杂地形快速架钢便桥,解决各种复杂的燃眉之急,尤其适用于高速公路交通事故快速疏导车流,战争爆破导致的道路桥梁损毁,交通枢纽拥堵疏通,自然灾害导致的地形改变、偏僻复杂地形的快速架桥通过。(The invention discloses a self-propelled steel temporary bridge beneficial to actual combat rapid traffic evacuation, which comprises a conventional flat car body and is characterized in that: the platform truck further comprises a platform truck body locking mechanism, a modular operating platform, a hydraulic lifting device, a hydraulic locking device, a hydraulic stretching device and a box-type folding steel temporary bridge. The folding chair occupies small space when being folded, and is convenient to carry and transport. The invention is suitable for all vehicles and pedestrians to pass through, can be suitable for quickly erecting steel temporary bridges in various complex terrains, solves the problem of various complex emergencies, and is particularly suitable for quickly dredging traffic flow in highway traffic accidents, road and bridge damages caused by war blasting, traffic hub congestion dredging, terrain change caused by natural disasters and quick bridge erection in remote complex terrains.)

1. The utility model provides a do benefit to proper motion steel temporary bridge of quick current mediation of actual combat, includes conventional flatbed body (1), its characterized in that: the device comprises a size distance measuring device (2), a flat car body locking mechanism (3), a modular operating platform (4), a hydraulic lifting device (5), a hydraulic locking device (6), a hydraulic stretching device (7) and a box-type folding steel temporary bridge (8);

flatbed body locking mechanism (3): the locking or unlocking device is positioned on the periphery of a flat plate of the conventional flat plate vehicle body (1) and is used for locking or unlocking the modular control platform (4) and the box-type folding steel temporary bridge (8);

hydraulic lifting device (5): the telescopic steel bridge is positioned on the periphery of a flat plate of the conventional flat car body (1), is used for supporting a box-type folding steel bridge (8) in an upward telescopic mode, is used for supporting the ground surface of a destination in a downward telescopic mode, and strongly supports and stabilizes a car body and the steel bridge in work;

modular operating platform (4): the hydraulic locking device is provided with an operation panel for controlling a hydraulic action system, and the operation panel is used for controlling the movement of the hydraulic lifting device, the hydraulic locking device and the hydraulic stretching device;

hydraulic stretching device (7): the telescopic folding steel temporary bridge is connected to a rotary folding joint of the box-type folding steel temporary bridge (8) and drives the box-type folding steel temporary bridge to stretch, unfold or contract and fold through stretching and retracting;

hydraulic locking device (6): the hydraulic lifting device (5) and the hydraulic stretching device (7) are arranged on the side faces of the hydraulic lifting device (5) and the hydraulic stretching device (7) and used for locking the hydraulic lifting device (5) and the hydraulic stretching device (7) in a stretching stress working state, and oil leakage, pressure relief and backspacing of the hydraulic lifting device (5) and the hydraulic stretching device (7) are avoided when external force impact is overlarge in normal working of the conventional flat car body (1) and the box-type folding steel temporary bridge (8), so that unsafe factors are generated;

box-type folding steel temporary bridge (8): the lower part is bearing box (801) that shaped steel skeleton strengthens, and inner space can be used to the transportation and stores the goods and materials, through dull and stereotyped position fastening locking or the unblock separation of flatbed body locking mechanism (3) and conventional flatbed body (1), and upper portion is folding bearing steel sheet (802) of multisection, bearing steel sheet (802) can be folded through the rotation axis along the upset of locomotive rear of a vehicle direction, constitute the temporary bridge who connects the head and the tail both sides earth's surface.

2. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 1, wherein: hydraulic pressure elevating gear (5) are provided with supporting pad (501) that supports the earth's surface, are connected with hydraulic pressure elevating gear's hydraulic telescoping rod (503) through universal joint (502), the supporting pad adopts the metal material, is provided with indent (5011) with the surperficial middle part of earth's surface contact, is provided with foraminiferous rubber anticollision limited slip pad (5012) in the indent, the outstanding supporting pad surface of rubber anticollision limited slip pad (5012).

3. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 1, wherein: the bearing steel plate (802) of the box-type folding steel temporary bridge (8) comprises a box top bearing plate (8021), an extension bearing plate (8022) and a ground surface lapping plate (8023), wherein the top of the box-type folding steel temporary bridge (8) is provided with turnover folding railings (803) along two sides of a vehicle body and is connected through bolts or clamping hooks.

4. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 3, wherein: the turnover folding railing (803) is provided with a traffic sign (8031), and the traffic sign (8031) is provided with a light scattering and reflecting material and/or a fluorescent material.

5. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 3, wherein: the vehicle body is characterized in that through holes are formed in the edges of two sides of the vehicle body of the extension bearing plate (8022) and the ground surface lap joint plate (8023), one end, facing the inner side of the box-type folding steel temporary bridge (8), is connected with an air compressor installed in the box through an air duct, one end, facing the outer side, of the box-type folding steel temporary bridge is connected with a cloth strip or a breathable and explosion-proof soft bag, and the cloth strip or the breathable and explosion-proof soft bag is provided with a traffic sign (8031) containing an astigmatic reflecting material.

6. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 5, wherein: the cloth strip or the breathable and explosion-proof soft bag is nested with the curled steel wire or the thin steel strip, the air compressor is inflated, under the action of air flow or air pressure, the cloth strip or the breathable and explosion-proof soft bag overcomes the curling force of the steel wire or the thin steel strip to form a standing traffic sign (8031), the air compressor stops inflating, and the curling force of the steel wire or the thin steel strip rolls up the cloth strip or the breathable and explosion-proof soft bag for storage.

7. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 1, wherein: one end of the hydraulic locking device (6) is connected with and controls a hydraulic action system through a hydraulic pipeline, the other end of the hydraulic locking device is provided with a clamping device (601) at the head of the telescopic rod, the clamping device (601) can clamp and prevent skidding through a fastening piece or is provided with a deformable rigid material, the hydraulic lifting device (5) and the telescopic rod or the supporting pad of the hydraulic stretching device (7) which are in an extending and supporting stress state are fixed, and convex-concave antiskid textures are arranged on the contact surfaces of the clamping device (601), the deformable rigid material and the telescopic rod which is in contact with the deformable rigid material.

8. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 1, wherein: one end of the hydraulic stretching device (7) is connected with the box-type folding steel temporary bridge (8), the conventional flat car body (1) or the box top bearing plate (8021) through a rotating shaft, the extension bearing plate (8022) is connected, the other end of the hydraulic stretching device is connected with the extension bearing plate (8022) or the ground surface lap plate (8023) through the rotating shaft, and the hydraulic stretching device is folded and unfolded to build a road or retract and fold along with the extension of a telescopic head of the hydraulic stretching device (6) for next use.

9. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 1, wherein: the modular control platform (4) is convenient to disassemble and assemble and can be installed in a cab or a box-type folding steel temporary bridge, an operating button of the platform is connected with a driving device of a hydraulic system, the driving device controls the movement direction of pressure oil in a hydraulic oil path, and the hydraulic lifting device (5), the hydraulic locking device (6) and the hydraulic stretching device (7) are forced to move, so that locking, unlocking, supporting and restoring are realized.

10. The self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion as claimed in claim 1, wherein: flatbed body locking mechanism (3) are provided with the chuck, are connected with conventional flatbed body (1) or box folding steel temporary bridge (8) through the rotation axis, the chuck is connected with the first end of hydraulic stretching device (7), the second end and conventional flatbed body (1) or box folding steel temporary bridge (8) of hydraulic stretching device (7) are connected, and the flexible completion through hydraulic stretching device (7) is pressed from both sides tightly or is taken off.

Technical Field

The invention relates to the field of traffic disasters, in particular to a self-propelled steel temporary bridge beneficial to actual combat rapid traffic dispersion.

Background

Natural disasters such as landslide, water flow scouring or blasting and the like cause that places which can be conveniently passed originally can become impassable, particularly rescue motorcade and evasion personnel can not pass and evacuate, and the consequences are catastrophic.

In addition, traffic accidents, artificial damages, accidents and the like have the defects of emergencies, uncertain places and uncertain harm sizes, and the conventional dispersion scheme is uncertain whether the conventional dispersion scheme can be effective or not and is not suitable for the proper geological environment and the like.

The steel temporary bridge is a foundation for bridge construction, and is a channel for transporting materials such as reinforcing steel bars, concrete, templates and the like in the upper structure of a bridge, mechanical equipment such as a drilling machine, a crane, a construction vehicle and the like also adopt the steel temporary bridge as the channel when entering or transferring, the current steel temporary bridge is used as a temporary channel, and usually, the end part of the steel temporary bridge is directly buried into the soil. The steel temporary bridge is the most common temporary bridge structure, has the advantages of large bearing capacity and high construction speed, and is widely applied to road construction. However, the span of some road first-aid repair is large at present, so the required steel temporary bridge body length is large, and meanwhile, the strength of the bridge body needs to be enhanced due to the increase of the span, so the transportation difficulty of the whole steel temporary bridge is very large.

The invention is suitable for all vehicles and pedestrians to pass through, can be suitable for quickly erecting steel temporary bridges in various complex terrains, solves the problem of various complex emergencies, and is particularly suitable for quickly dredging traffic flow in highway traffic accidents, road and bridge damages caused by war blasting, traffic hub congestion dredging, terrain change caused by natural disasters and quick bridge erection in remote complex terrains.

Disclosure of Invention

The invention aims to overcome the problems in the prior art, provides a self-propelled steel temporary bridge beneficial to actual combat quick traffic dispersion, is suitable for all toy vehicle types, occupies small space when folded, and is convenient to carry and transport.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a self-propelled steel temporary bridge beneficial to rapid traffic and dispersion in actual combat comprises a conventional flat car body, a dimension distance measuring device, a flat car body locking mechanism, a modular operating platform, a hydraulic lifting device, a hydraulic locking device, a hydraulic stretching device and a box-type folding steel temporary bridge;

flatbed body locking mechanism: the locking or unlocking device is positioned on the periphery of a flat plate of the conventional flat car body and is used for locking or unlocking the modular operating platform and the box-type folding steel temporary bridge;

hydraulic lifting device: the telescopic steel temporary bridge is positioned on the periphery of a flat plate of the conventional flat car body, is used for supporting a box-type folding steel temporary bridge and is telescopic downwards for supporting the destination ground surface, and strongly supports and stabilizes the car body and the steel temporary bridge in work;

the modular operation platform comprises: the hydraulic locking device is provided with an operation panel for controlling a hydraulic action system, and the operation panel is used for controlling the movement of the hydraulic lifting device, the hydraulic locking device and the hydraulic stretching device;

the hydraulic stretching device comprises: the folding device is connected to a rotary folding joint of the box-type folding steel temporary bridge and drives the box-type folding steel temporary bridge to stretch, unfold or contract and fold through stretching and retracting;

the hydraulic locking device comprises: the hydraulic lifting device and the hydraulic stretching device are arranged on the side surfaces of the hydraulic lifting device and the hydraulic stretching device and used for locking the hydraulic lifting device and the hydraulic stretching device in a stretching stress working state, so that the phenomenon that when external force impact is too large in normal work of a conventional flat car body and a box-type folding steel temporary bridge, the hydraulic lifting device and the hydraulic stretching device leak oil, release pressure and retreat to generate unsafe factors is avoided;

box-type folding steel temporary bridge: the lower part is the bearing box body that shaped steel skeleton strengthened, and inner space can be used to the transportation and store the goods and materials, through the dull and stereotyped position fastening locking or the unblock separation of flatbed body locking mechanism and conventional flatbed body, and upper portion is the folding bearing steel sheet of multisection, bearing steel sheet can pass through the rotation axis and overturn foldingly along locomotive rear of a vehicle direction, constitutes the temporary bridge who connects head and tail both sides earth's surface.

Preferably, hydraulic pressure elevating gear is provided with the supporting pad that supports the earth's surface, is connected with hydraulic pressure elevating gear's hydraulic telescoping rod through the universal joint, the supporting pad adopts the metal material, is provided with the indent with the surperficial middle part of earth's surface contact, is provided with foraminiferous rubber anticollision limited slip pad in the indent, the outstanding supporting pad surface of rubber anticollision limited slip pad.

Preferably, the bearing steel plate of box folding steel temporary bridge includes the roof bearing plate, extends bearing plate and earth's surface overlap joint board, box folding steel temporary bridge top is provided with the folding railing of upset along automobile body both sides, connects through bolt or trip.

Preferably, a traffic sign is arranged on the turnover folding handrail and provided with an astigmatic reflecting material and/or a fluorescent material.

Preferably, the extending bearing plate and the ground surface lap joint plate are provided with through holes along the edges of two sides of the vehicle body, one end of the extending bearing plate facing the inner side of the box-type folding steel temporary bridge is connected with an air compressor arranged in the box through an air duct, one end of the outer side of the extending bearing plate is connected with a cloth strip or a breathable explosion-proof soft bag, and the cloth strip or the breathable explosion-proof soft bag is provided with a traffic sign containing an astigmatic reflecting material and/or a fluorescent material.

Preferably, the cloth strip or the breathable explosion-proof soft bag is nested with the curled steel wire or the thin steel strip, the air compressor is inflated, under the action of air flow or air pressure, the cloth strip or the breathable explosion-proof soft bag overcomes the curling force of the steel wire or the thin steel strip to become a standing traffic sign, the air compressor stops inflating, and the curling force of the steel wire or the thin steel strip rolls up the cloth strip or the breathable explosion-proof soft bag for storage.

Preferably, one end of the hydraulic locking device is connected with and controls the hydraulic action system through a hydraulic pipeline, the other end of the hydraulic locking device is provided with a clamping device at the head of the telescopic rod, the clamping device can clamp the anti-skid hydraulic lifting device and the telescopic rod or the supporting pad of the hydraulic stretching device in an extending and supporting stress state through a fastening piece or is provided with a deformable rigid material, and convex-concave anti-skid textures are arranged on the clamping device, the deformable rigid material and the contact surface of the telescopic rod in contact with the deformable rigid material.

Preferably, one end of the hydraulic stretching device is connected with the box-type folding steel temporary bridge, the conventional flat car body or the box top bearing plate and the extension bearing plate through a rotating shaft, the other end of the hydraulic stretching device is connected with the extension bearing plate or the ground surface lap plate through a rotating shaft, and the hydraulic stretching device is folded and unfolded to build a road or is folded to be used for the next time along with the extension of the telescopic head of the hydraulic stretching device.

Preferably, the modular control platform is convenient to disassemble and assemble and is installed in a cab or a box-type folding steel temporary bridge, an operating button of the platform is connected with a driving device of a hydraulic system, and the driving device controls the movement direction of pressure oil in a hydraulic oil way to force a hydraulic lifting device, a hydraulic locking device and a hydraulic stretching device to move so as to realize locking, unlocking, supporting and restoring.

Preferably, flatbed body locking mechanism is provided with the chuck, is connected with conventional flatbed body or box folding steel temporary bridge through the rotation axis, the chuck is connected with hydraulic stretching device's first end, hydraulic stretching device's second end is connected with conventional flatbed body or box folding steel temporary bridge, and it is tight or pine takes off to accomplish through hydraulic stretching device's flexible.

The invention has the beneficial effects that:

the self-propelled steel temporary bridge is in a modular design, is suitable for all vehicles and pedestrians to pass through by directly using the conventional common flat car, can be suitable for quickly erecting the steel temporary bridge on various complex terrains, solves various complex emergencies, and is particularly suitable for quickly dredging traffic flow in highway traffic accidents, road and bridge damage caused by war blasting, traffic hub congestion and dredging, terrain change caused by natural disasters and quick bridge erection on remote complex terrains.

The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic side view of a temporary bridge made of self-propelled steel according to the present invention, showing the structural positions in steps;

FIG. 2 is a schematic view of the rear view structure of the self-propelled steel temporary bridge according to the present invention in steps;

FIG. 3 is a schematic view of the self-propelled steel temporary bridge load-bearing steel plate according to the present invention before being unfolded;

FIG. 4 is a schematic view showing the one-time unfolding of the extending bearing plate of the self-propelled steel temporary bridge according to the present invention;

FIG. 5 is a schematic view of the secondary expansion of the extended bearing plate of the self-propelled steel temporary bridge according to the present invention;

FIG. 6 is a schematic view showing the unfolding of the ground plate of the self-propelled steel temporary bridge according to the present invention;

FIG. 7 is a schematic view of the height adjustment of the load-bearing steel plates of the self-propelled steel temporary bridge and the locking of the hydraulic lifting device;

FIG. 8 is a schematic view showing the working condition of the middle section of a self-propelled steel temporary bridge according to the present invention;

FIG. 9 is a schematic view showing the working states of the self-propelled steel access bridge of the present invention when the slopes of the ground surfaces on both sides are different;

FIG. 10 is a schematic top view of the steel temporary bridge for straight-running traveling according to the present invention;

FIG. 11 is a schematic top view of the bent steel suspension bridge of the suspension bridge in a straight line;

FIG. 12 is a schematic top view of a steel suspension bridge according to the present invention when it is bent;

FIG. 13 is a schematic top view of the steel temporary bridge of the present invention when it is bent.

The reference numbers in the figures illustrate: the device comprises a conventional flat car body 1, a size distance measuring device 2, a flat car body locking mechanism 3, a modular control platform 4, a hydraulic lifting device 5, a hydraulic locking device 6, a hydraulic stretching device 7, a box-type folding steel temporary bridge 8, a supporting pad 501, a universal joint 502, a hydraulic telescopic rod 503, an inner recess 5011, a rubber anti-collision anti-slip pad 5012, a clamping device 601, a bearing box body 801, a bearing steel plate 802, an overturning folding railing 803, a box top bearing plate 8021, an extension bearing plate 8022, a ground surface lap plate 8023 and a traffic sign 8031.

Detailed Description

The invention is further described with reference to the accompanying drawings in which:

referring to fig. 1 to 13, a self-propelled steel temporary bridge beneficial to actual combat rapid traffic evacuation comprises a conventional flat car body, a dimension distance measuring device, a flat car body locking mechanism, a modular operating platform, a hydraulic lifting device, a hydraulic locking device, a hydraulic stretching device and a box-type folding steel temporary bridge;

the lower part of the box-type folding steel temporary bridge is a bearing box body reinforced by a steel skeleton, the inner space can be used for transporting and storing materials, the lower part of the box-type folding steel temporary bridge is fastened, locked or unlocked and separated with a flat part of a conventional flat car body through a locking mechanism of the flat car body, the upper part of the box-type folding steel temporary bridge is a multi-section folding bearing steel plate, the bearing steel plate can be overturned and folded along the direction of the head and the tail of the car through a rotating shaft

The flat car body locking mechanism is positioned on the periphery of a flat plate of the conventional flat car body and used for locking or unlocking the modular control platform and the box-type folding steel temporary bridge; the hydraulic locking device comprises: the hydraulic lifting device and the hydraulic stretching device are arranged on the side faces of the hydraulic lifting device and the hydraulic stretching device and used for locking the hydraulic lifting device and the hydraulic stretching device in a stretching stress working state, and the hydraulic lifting device and the hydraulic stretching device are prevented from leaking oil, releasing pressure and returning to produce unsafe factors when external force impacts are too large in normal work of a conventional flat car body and a box-type folding steel temporary bridge.

The hydraulic stretching device is connected to a rotary folding joint of the box type folding steel temporary bridge and drives the box type folding steel temporary bridge to stretch, unfold or contract and fold through stretching; hydraulic lifting device: the side of the flat plate on the conventional flat car body and the two sides of the extension bearing plate along the direction of the car head and the car tail extend upwards to support the box-type folding steel temporary bridge and extend downwards to support the destination ground surface, so that the car body and the steel temporary bridge in the stable work are supported by strong force.

The modular control platform is provided with an operation panel for controlling the hydraulic action system, and the hydraulic lifting device, the hydraulic locking device and the hydraulic stretching device are controlled to move through the operation panel.

Preferably, the hydraulic lifting device is provided with a supporting pad for supporting the earth surface, the supporting pad is made of metal, preferably a cast iron plate, the surface contacting with the earth surface is rough, a slag discharge and liquid discharge anti-slip groove is formed for accommodating solid particles, liquid slurry and the like on the earth surface, the grounding area of each supporting pad is not less than 35 to 35 cm, the supporting pad is connected with a hydraulic telescopic rod of the hydraulic lifting device through a universal joint, the supporting pad can be automatically adjusted to be matched with the ground by the universal joint regardless of the material, the shape, the convex-concave structure and the gradient of the ground, firm grounding anti-slip placement is realized, the middle part of the surface contacting with the earth surface is provided with an indent, a rubber anti-slip pad with holes is arranged in the indent, the rubber anti-.

Preferably, the bearing steel plate of the box-type folding steel temporary bridge comprises a box top bearing plate, an extension bearing plate and a ground surface overlapping plate, wherein the top of the box-type folding steel temporary bridge is provided with turnover folding handrails along two sides of a vehicle body and is connected through a bolt or a clamping hook, the box top bearing plate is a single steel plate or a bearing steel plate which can be opened in a rotating mode like a door and is provided with a rotating shaft, the ground surface overlapping plate is used for being in contact with the ground surface, a section along the direction of the vehicle head and the vehicle tail is provided with a wedge shape which can be easily attached to the ground surface and cannot cause a large step, the outer surface for the people and the vehicles to pass is provided with anti-slip stripes, convex-concave or through holes and blind holes, and an anti-slip coating can be sprayed, the vehicle head and the vehicle tail are respectively provided with one.

Preferably, the folding railing of upset is provided with the traffic sign, the traffic sign is provided with astigmatic reflecting material andor fluorescent material, the traffic sign is fixed or portable, fixed for with the folding railing integrated into one piece of upset or welding or the riveting, portable is for setting up the jack on the folding railing of upset, the traffic sign is the cylinder or the dull and stereotyped material that can insert to fix in the jack.

Preferably, the extending bearing plate and the ground surface lapping plate are provided with through holes along the edges of two sides of the vehicle body, one end of the extending bearing plate facing the inner side of the box-type folding steel temporary bridge is connected with an air compressor arranged in the box through an air duct, one end of the outer side of the extending bearing plate is connected with a cloth strip or a breathable explosion-proof soft bag, the cloth strip or the breathable explosion-proof soft bag is provided with a traffic sign containing light scattering reflective materials and/or fluorescent materials, the cloth strip or the breathable and explosion-proof soft bag is nested with the curled steel wire or the thin steel strip, the air compressor is used for inflating, under the action of air flow or air pressure, the cloth strip or the breathable explosion-proof soft bag overcomes the curling force of the steel wire or the thin steel strip to become a standing traffic sign, the air compressor stops inflating, the curling force of the steel wire or the thin steel strip rolls up the cloth strip or the breathable and explosion-proof soft bag for storage, the extension bearing plate is arranged in pairs at the head and tail of the vehicle, and the number of the single side arrangement is 1-3.

Preferably, one end of the hydraulic locking device is connected with and controls the hydraulic action system through a hydraulic pipeline, the other end of the hydraulic locking device is provided with a clamping device at the head of the telescopic rod, the clamping device can clamp the anti-skid hydraulic lifting device and the telescopic rod or the supporting pad of the hydraulic stretching device in an extending and supporting stress state through a fastening piece or is provided with a deformable rigid material, and convex-concave anti-skid textures are arranged on the clamping device, the deformable rigid material and the contact surface of the telescopic rod in contact with the deformable rigid material.

Preferably, one end of the hydraulic stretching device is connected with the box-type folding steel temporary bridge, the conventional flat car body or the box top bearing plate and the extension bearing plate through a rotating shaft, the other end of the hydraulic stretching device is connected with the extension bearing plate or the ground surface lap plate through a rotating shaft, and the hydraulic stretching device is folded and unfolded to build a road or is folded to be used for the next time along with the extension of the telescopic head of the hydraulic stretching device.

Preferably, the modular control platform is convenient to disassemble and assemble and is installed in a cab or a box-type folding steel temporary bridge, an operating button of the platform is connected with a driving device of a hydraulic system, and the driving device controls the movement direction of pressure oil in a hydraulic oil way to force a hydraulic lifting device, a hydraulic locking device and a hydraulic stretching device to move so as to realize locking, unlocking, supporting and restoring.

Preferably, flatbed body locking mechanism is provided with the chuck, is connected with conventional flatbed body or box folding steel temporary bridge through the rotation axis, the chuck is connected with hydraulic stretching device's first end, hydraulic stretching device's second end is connected with conventional flatbed body or box folding steel temporary bridge, and it is tight or pine takes off to accomplish through hydraulic stretching device's flexible.

Preferably, the bearing steel plate of the box-type folding steel temporary bridge comprises a box top bearing plate, an extension bearing plate and a ground surface lapping plate, wherein the extension bearing plate is divided into a rotary direction-changing extension bearing plate and a rotary turning-folding extension bearing plate, the rotary direction-changing extension bearing plate is connected with the bearing box body or the box top bearing plate through a vertical rotating shaft, two sides of the rotary direction-changing extension bearing plate are provided with hydraulic stretching devices, the rotary angle is realized through the difference of different stretching amounts of the hydraulic stretching devices at the two sides and is used for the condition of non-linear traffic, the rotary angle is preferably 0-35 degrees in both directions, namely the practical application adjustable angle is within 70 degrees, and the rotary angle is greater than 70 degrees, so; the rotary redirection extension bearing plate and the rotary turnover extension bearing plate are connected through a horizontal rotating shaft, and hydraulic extension devices are arranged on two sides of the rotary redirection extension bearing plate and can drive the rotary turnover extension bearing plate to turn over for 0-225 degrees along the horizontal shaft; the ground surface lapping plate and the rotary turnover extension bearing plate are connected through a horizontal rotating shaft, and hydraulic extension devices are arranged on two sides of the ground surface lapping plate and can drive the ground surface lapping plate to rotate and turn over 0-225 degrees along the horizontal shaft.