Steering device of auxiliary vehicle of road beam transporting vehicle

By designing a beam transport sub-vehicle steering device including a support plate, a guide seat, a limiting plate and a compression spring, the problem of inability to adjust according to the beam width and lack of buffering in the prior art is solved, and higher applicability and lower risk of beam damage are achieved.

CN222682524UActive Publication Date: 2025-03-28ZHENGZHOU ENG CO LTD CHINA RAILWAY SEVENTH GRP
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Patent Information

Application Number
CN202421456501.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-28
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing beam transport sub-vehicle steering device cannot be adjusted according to the width of the beam material, and there is a lack of buffering equipment during installation, which can easily lead to damage to the beam material.

Method used

A steering device including a support plate, a guide seat, a limit plate and a compression spring is designed. Through the fit of the guide seat and the guide groove, the position of the guide seat can be adjusted according to the width of the beam material; by the fit of the compression spring and the pressure plate, a buffering effect is provided to reduce impact damage of the beam material.

Benefits of technology

The position of the steering device is adjusted according to the width of the beam material, which improves the suitability; and the damage of the beam material during installation is reduced through the buffering device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a steering device of an auxiliary vehicle of a road beam transporting vehicle, which is characterized in that the steering device comprises a supporting plate, a guide seat and a limiting plate, when the two guide seats relatively slide on the supporting plate, the limiting plate can clamp the beam material; and the supporting plate can rotate on the upper surface of the base plate so as to drive the beam material to rotate together. According to the steering device of the auxiliary vehicle of the road beam transporting vehicle, the problems that in the prior art, an auxiliary vehicle steering device cannot be adjusted according to the width of a beam material, no buffering device is used for buffering the beam material when the beam material is installed, and therefore the beam material is prone to being damaged due to collision are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of beam transport vehicles, in particular to a steering device for an auxiliary vehicle of a highway beam transport vehicle. Background Art

[0002] A road beam transporter is a specialized vehicle used to transport long beams. These specialized vehicles typically have structures such as a flat floor and side supports to ensure that the beams can be transported securely on the vehicle without sliding or tilting. Road beam transporters are also typically equipped with lifting equipment to facilitate unloading the beams from the vehicle and placing them in a designated location. Because road beam transporters can quickly and efficiently transport large quantities of long beams, these vehicles are widely used in industries such as construction and road building.

[0003] However, the existing beam transport vehicle still has the following problems when it is actually used:

[0004] When transporting beams, a beam transporter often needs to have an auxiliary vehicle to assist in steering longer beams. Usually, the auxiliary vehicle needs to support the beams and also assist in rotating the beams to help them turn. However, the existing auxiliary vehicle steering device is often not convenient to adjust according to the width of the beams, and there is no buffering device to buffer the beams when installing them, which can easily cause damage to the beams due to collisions. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a steering device for an auxiliary vehicle of a highway beam transport vehicle, which solves the problem that the steering device of the auxiliary vehicle in the prior art often cannot be adjusted according to the width of the beam, and there is no buffering equipment to buffer the beam when the beam is installed, which makes it easy for the beam to be damaged due to impact.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A steering device for a road beam transport vehicle auxiliary vehicle, the improvement of which is that the steering device comprises: a support plate 1, comprising a plate-shaped object; guide grooves 5 are respectively arranged on two side surfaces in the length direction of the support plate 1; a positioning hole 2 is arranged at the center of the support plate 1, and the positioning hole 2 is a through hole;

[0008] The guide seat 6 comprises a plate-shaped object; two guide seats 6 are arranged opposite to each other; the length of the guide seat 6 corresponds to the width of the support plate 1; two guide seats 6 are arranged on the support plate 1; the guide seat 6 is engaged with the support plate 1 and can slide on the surface of the support plate 1 through the guide groove 5;

[0009] The guide seat 6 further includes a limit plate 8; the limit plate 8 is vertically arranged with the guide seat 6 and has the same length as the guide seat 6; when the two guide seats 6 slide relative to each other, the limit plate 8 can clamp the beam;

[0010] The steering device also includes: a pad 4, including a plate-like object, arranged below the support plate 1; a protruding cylindrical positioning shaft 3 is arranged at the center of the pad 4; the size of the positioning shaft 3 matches the size of the positioning hole 2; the support plate 1 and the pad 4 are coaxially connected through the positioning hole 2, and the support plate 1 can rotate on the upper surface of the pad 4, thereby driving the beam to rotate together.

[0011] Preferably, the steering device further comprises:

[0012] The fixing plate 16 is an annular disc; the inner diameter of the fixing plate 16 matches the diameter of the positioning hole 2; a plurality of positioning bolts 17 are evenly arranged on the fixing plate 16, and the fixing plate 16 can be fixed to the support plate 1 by the positioning bolts 17;

[0013] A pressure plate 19, comprising a plate-shaped object, wherein the pressure plate 19 is coaxially connected to the positioning hole 2;

[0014] Compression springs 18 , multiple compression springs 18 are evenly arranged on the upper surface of the fixed plate 16 in an annular direction; a pressure plate 19 is fixedly connected to the other end of the compression springs 18 .

[0015] Preferably, the steering device further comprises: fixing bolts 7 are arranged on the two side surfaces of each guide seat 6 and at the clamping positions corresponding to the guide groove 5 ; the fixing bolts 7 pass through the guide seat 6 so that the guide seat 6 can be fixed to the guide groove 5 .

[0016] Preferably, a mounting groove 9 penetrating the thickness of the support plate 1 is provided at the middle position of each side in the width direction of the support plate 1; a fixing rod is connected in each mounting groove 9; the fixing rod is connected to the support plate 1 through a first positioning block 10 provided in the mounting groove 9, and the first positioning block 10 can rotate in the mounting groove 9.

[0017] Preferably, the fixing rod comprises a sleeve 12; the sleeve comprises a hollow rod; the first threaded rod 11 and the second threaded rod 13 are respectively bolted to both ends of the sleeve 12;

[0018] The first threaded rod 11 is connected to the support plate 1 through a first positioning block 10 ; the second threaded rod 13 is connected to a limit block 15 through a second positioning block 14 .

[0019] Preferably, the first threaded rod 11 and the second threaded rod 13 both comprise threaded rods; the diameters of the first threaded rod 11 and the second threaded rod 13 match the inner diameter of the sleeve 12;

[0020] The first positioning block 10 and the second positioning block 14 each include a block body with an internal thread, and a first rotating shaft provided on the block body; the first positioning block 10 is threadedly connected to the first threaded rod 11; the second positioning block 14 is threadedly connected to the second threaded rod 13;

[0021] The limiting block 15 includes a plate integrally connected to the lifting ears; the lifting ears are perpendicular to the plate and are respectively arranged on both sides of the plate; the two lifting ears are connected to the second positioning block 14 through the first rotating shaft.

[0022] Preferably, the steering device also includes: an auxiliary rotation assembly, including: two parallel hydraulic rods 20 placed on the same side of the support plate 1; one end of the two hydraulic rods 20 is connected to the side surface of the support plate 1 in the length direction, and is arranged coplanar with the support plate 1; the other end of the two hydraulic rods 20 is connected to the mounting plate 22.

[0023] Preferably, the two hydraulic rods 20 are axially symmetrically arranged on both sides of the center line of the support plate 1 ; the mounting plate 22 comprises a rectangular plate-like member, and the length of the mounting plate 22 is greater than the distance between the two hydraulic rods 20 .

[0024] Preferably, the hydraulic rod 20 is connected to the mounting plate 22 via a fixing block 21; the fixing block 21 comprises a block, one side of which is welded to the mounting plate 22; an opening parallel to the mounting plate 22 is provided at the connection between the fixing block 21 and the hydraulic rod 20, one end of the hydraulic rod 20 is provided in the opening, and the fixing block 21 and the hydraulic rod 20 are connected by a second rotating shaft.

[0025] Beneficial Effects

[0026] The utility model provides a steering device for an auxiliary vehicle of a highway beam transport vehicle, which has the following beneficial effects:

[0027] 1. The steering device of the auxiliary vehicle of the highway beam transport vehicle involved in the present application can adjust the position of the guide seat according to the width of the transported beam through the coordinated arrangement of the guide seat and the guide groove, so that the device can be suitable for different usage requirements and improve the applicability of the device.

[0028] 2. The steering device of the auxiliary vehicle of the beam transport vehicle involved in the present application, through the coordinated arrangement of the compression spring and the pressure plate, can utilize the elastic force of the compression spring to buffer the impact force of the beam when installing the beam, thereby reducing the damage to the beam caused by the impact.

[0029] 3. The steering device of the auxiliary vehicle of the beam transport vehicle involved in the present application can change the direction of the support plate by extending and retracting the two hydraulic rods respectively through the setting of hydraulic rods, thereby assisting the steering of the beam according to different transportation needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall installation structure of the steering device involved in the utility model;

[0031] Figure 2 This is a schematic diagram of the sleeve structure involved in the utility model;

[0032] Figure 3 This is a schematic diagram of the support plate structure involved in the utility model;

[0033] Figure 4 This is a schematic diagram of the fixed disk structure involved in the utility model;

[0034] Figure 5 This is an enlarged schematic diagram of the connection between the mounting plate and the hydraulic rod involved in the utility model;

[0035] In the figure: 1. support plate; 2. positioning hole; 3. positioning shaft; 4. pad; 5. guide groove; 6. guide seat; 7. fixing bolt; 8. limit plate; 9. mounting groove; 10. first positioning block; 11. first threaded rod; 12. sleeve; 13. second threaded rod; 14. second positioning block; 15. limit block; 16. fixing plate; 17. positioning bolt; 18. compression spring; 19. pressure plate; 20. hydraulic rod; 21. fixing block; 22. mounting plate. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0037] In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. The terms "connected" and "connection" used in the present invention should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0038] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0039] A road beam transporter is a specialized vehicle used to transport long beams. These specialized vehicles typically have structures such as a flat floor and side supports to ensure that the beams can be transported securely on the vehicle without sliding or tilting. Road beam transporters are also typically equipped with lifting equipment to facilitate unloading the beams from the vehicle and placing them in a designated location. Because road beam transporters can quickly and efficiently transport large quantities of long beams, these vehicles are widely used in industries such as construction and road building.

[0040] However, the existing beam transport vehicle still has the following problems when it is actually used:

[0041] When transporting beams, a beam transporter often needs to have an auxiliary vehicle to assist in steering longer beams. Usually, the auxiliary vehicle needs to support the beams and also assist in rotating the beams to help them turn. However, the existing auxiliary vehicle steering device is often not convenient to adjust according to the width of the beams, and there is no buffering device to buffer the beams when installing them, which can easily cause damage to the beams due to collisions.

[0042] Therefore, the utility model provides a steering device for the auxiliary vehicle of a highway beam transport vehicle, which solves the above-mentioned problems in the prior art.

[0043] See also Figures 1 to 4 The utility model provides a steering device for a highway beam transport vehicle auxiliary vehicle, the improvement of which is that the steering device comprises:

[0044] The support plate 1 includes a plate-like object; guide grooves 5 are respectively arranged on the two sides of the support plate 1 in the length direction; a positioning hole 2 is arranged at the center of the support plate 1, and the positioning hole 2 is a through hole. Specifically, the guide grooves 5 are grooves arranged on both sides of the support plate, and the width of the guide grooves 5 corresponds to the height of the support plate. The length of the guide grooves 5 can be equal to the length of the support plate 1. It can also be as follows Figure 3 As shown, the guide groove 5 is divided into two sections, and a position for a fixing pin is reserved in the middle for the subsequent installation of the auxiliary rotating assembly.

[0045] The guide seat 6 comprises a plate-shaped object; two guide seats 6 are arranged opposite to each other; the length of the guide seat 6 corresponds to the width of the support plate 1; two guide seats 6 are arranged on the support plate 1; the guide seat 6 is clamped with the support plate 1 and can slide on the surface of the support plate 1 through the guide groove 5.

[0046] The guide seat 6 further includes a limit plate 8; the limit plate 8 is vertically arranged with the guide seat 6 and has the same length as the guide seat 6; when the two guide seats 6 slide relative to each other, the limit plate 8 can clamp the beam. Figure 3 As shown, the limit plate 8 is vertically arranged at the edge of the length side of the guide seat 6, so that the end face of the limit plate 8 is coplanar with the side face of the guide seat 6. In order to make the limit plate 8 more firmly fixed on the guide seat 6, triangular plates are also installed on the two sides of the limit plate 8 as reinforcing ribs. When in use, the two limit plates 8 need to be arranged relative to each other, and when the two guide seats 6 slide relative to each other, the beam material can be clamped by the limit plate 8. Specifically, through the coordinated arrangement of the guide groove 5 and the guide seat 6, the position of the guide seat 6 can be adjusted according to different use requirements. The guide seat 6 can slide through the guide groove 5, so that the position of the two guide seats 6 can be adjusted according to different use requirements. Through the arrangement of the limit plate 8, the beam material can be directly fixed on the surface of the support plate 1, so that the two sides of the beam material are clamped and fixed with the help of the limit plate 8, so as to ensure the installation stability of the beam material, and after the guide seat 6 is adjusted to both sides, it is convenient to disassemble the beam material.

[0047] Preferably, in order to fix the guide seat 6 on the support plate 1 and provide better support for the beam, fixing bolts 7 are also provided on the two sides of each guide seat 6 and at the clamping positions corresponding to the guide groove 5; the fixing bolts 7 pass through the guide seat 6, and when the beam needs to be fixed, the guide seat 6 can be fixed to the guide groove 5 by the fixing bolts 7, thereby limiting the sliding of the guide seat 6. Specifically, fixing bolts 7 are threadedly penetrated on both sides of the outer surface of the guide seat 6, and one end of the fixing bolt 7 penetrates the guide seat 6 and presses against the outer wall of the support plate 1, so that the guide seat 6 is tightly connected to the outer wall of the support plate 1. By setting the fixing bolts 7, the adjusted guide seat 6 can be fixed, thereby ensuring the clamping stability of the guide seat 6 on the beam.

[0048] The steering device also includes: a pad 4, including a plate-like object, arranged below the support plate 1; a protruding cylindrical positioning shaft 3 is arranged at the center of the pad 4; the size of the positioning shaft 3 matches the size of the positioning hole 2; the support plate 1 and the pad 4 are coaxially connected through the positioning hole 2, and the support plate 1 can rotate on the upper surface of the pad 4, thereby driving the beam to rotate together. Specifically, a positioning hole 2 is opened in the middle of the top of the support plate 1, and the inner wall of the positioning hole 2 is rotatably connected to the positioning shaft 3, and the bottom of the positioning shaft 3 is fixedly connected to the pad 4. Through the setting of the positioning hole 2, the positioning shaft 3 can be installed and positioned. When the pad 4 is directly fixed on the auxiliary vehicle of the beam transport vehicle, the support plate 1 can rotate around the positioning shaft 3.

[0049] Preferably, Figure 1 and Figure 4 As shown, in order to reduce the impact force on the beam during installation and thus avoid damage to the beam due to impact, the steering device involved in the present application also includes: a fixing plate 16, which is an annular disc; the inner diameter of the fixing plate 16 matches the diameter of the positioning hole 2; a plurality of positioning bolts 17 are evenly arranged on the fixing plate 16, and the fixing plate 16 can be fixed to the support plate 1 by the positioning bolts 17. Specifically, a plurality of positioning bolts 17 are threadedly penetrated on the top of the fixing plate 16, and the positioning bolts 17 penetrate the fixing plate 16 and are threadedly connected with the surface of the support plate 1. By setting the fixing plate 16, the fixing plate 16 can be fixed by means of the positioning bolts 17, so that the fixing plate 16 is installed on the top of the support plate 1.

[0050] Compression springs 18 , multiple compression springs 18 are evenly arranged in an annular direction on the upper surface of the fixed plate 16 ; a pressure plate 19 is fixedly connected to the other end of the compression spring 18 ; the pressure plate 19 is coaxial with the positioning hole 2 .

[0051] In this embodiment, the fixed plate 16 can be fixed on the surface of the support plate 1, so that the compression spring 18 can be used to fix the pressure plate 19. At the same time, when the beam material contacts the pressure plate 19, the compression spring 18 can be used for buffering, thereby reducing the impact force of the beam material and protecting the beam material.

[0052] Preferably, a mounting groove 9 penetrating the thickness of the support plate 1 is provided in the middle of each side in the width direction of the support plate 1; a fixing rod is connected in each mounting groove 9; the fixing rod is connected to the support plate 1 through a first positioning block 10 provided in the mounting groove 9, and the first positioning block 10 can rotate in the mounting groove 9.

[0053] The fixing rod comprises a sleeve 12; the sleeve comprises a hollow rod; the first threaded rod 11 and the second threaded rod 13 are respectively bolted to the two ends of the sleeve 12;

[0054] The first threaded rod 11 is connected to the support plate 1 through a first positioning block 10 ; the second threaded rod 13 is connected to a limit block 15 through a second positioning block 14 .

[0055] Wherein, the first threaded rod 11 and the second threaded rod 13 both comprise threaded rods; the diameters of the first threaded rod 11 and the second threaded rod 13 match the inner diameter of the sleeve 12;

[0056] The first positioning block 10 and the second positioning block 14 each include a block body with an internal thread, and a first rotating shaft provided on the block body; the first positioning block 10 is threadedly connected to the first threaded rod 11; the second positioning block 14 is threadedly connected to the second threaded rod 13;

[0057] The limiting block 15 includes a plate integrally connected to the lifting ears; the lifting ears are perpendicular to the plate and are respectively arranged on both sides of the plate; the two lifting ears are connected to the second positioning block 14 through the first rotating shaft.

[0058] Specifically, mounting grooves 9 are provided in the middle of both ends of the support plate 1 in the width direction, and the inner wall of the mounting groove 9 is connected to a first positioning block 10, i.e., a main positioning block, through the setting of the mounting groove 9. Through the setting of the mounting groove 9, the first positioning block 10 can be assisted in rotation, thereby facilitating the adjustment of the supporting angle of the first positioning block 10 according to the beam material.

[0059] A first threaded rod 11, i.e., a main threaded rod, is fixedly connected to the top of the first positioning block 10. A sleeve 12 is threadedly connected to the outer surface of the first threaded rod 11. By setting the first threaded rod 11, the distance between the first positioning block 10 and the sleeve 12 can be changed by rotating the sleeve 12, so that the supporting position of the sleeve 12 can be adjusted.

[0060] At the same time, a second threaded rod 13, i.e., a secondary threaded rod, is threadedly connected to the other end of the sleeve 12, and a second positioning block 14, i.e., a secondary positioning block, is fixedly connected to the end of the second threaded rod 13. The outer surface of the second positioning block 14 is connected to the limiting block 15 via the first rotating shaft. By rotating the sleeve 12 and cooperating with the second threaded rod 13 and the first threaded rod 11, the distance between the first positioning block 10 and the second positioning block 14 can be changed, thereby adjusting the supporting position of the limiting block 15.

[0061] Preferably, the steering device involved in the present application further includes: an auxiliary rotation assembly, including:

[0062] Two parallel hydraulic rods 20 are placed on the same side of the support plate 1; one end of the two hydraulic rods 20 is connected to the side of the support plate 1 in the length direction and is arranged coplanar with the support plate 1; the other end of the two hydraulic rods 20 is connected to the mounting plate 22. Specifically, the connection method between the hydraulic rod and the support plate 1 is not limited, and can be welding or other methods such as Figure 1 In order to make the hydraulic rod 20 more stable during use, the width and length of the pad 4 can be lengthened, so that the width of the pad 4 is wider than the support plate 1, and the extra width of the pad 4 corresponds to the protruding part of the hinge point between the hydraulic rod and the support plate 1. At the same time, the length of the pad 4 also needs to be greater than the distance between the two hydraulic rods 20. The connection method between the hydraulic rod 20 and the mounting plate 22 is not limited, and can be hinged or can be adopted as shown. Figure 1 Specifically, as shown in FIG. Figure 5 As shown, the fixing block 21 includes a block, one side of which is welded to the mounting plate 22; an opening parallel to the mounting plate 22 is provided at the connection between the block and the hydraulic rod 20, one end of the hydraulic rod 20 is provided in the opening, and the block and the hydraulic rod 20 are connected by a second rotating shaft, and then the hydraulic rod 20 is connected to the mounting plate 22 through the fixing block 21. Preferably, the side of the fixing block 21 can be set to a triangle, and an opening perpendicular to the mounting plate 22 can also be provided in the middle of the fixing block 21 to save materials.

[0063] The two hydraulic rods 20 are axially symmetrically arranged on both sides of the center line of the support plate 1 ; the mounting plate 22 comprises a rectangular plate-like member, and the length of the mounting plate 22 is greater than the distance between the two hydraulic rods 20 .

[0064] Specifically, the ends of the two hydraulic rods 20 are connected to the fixing blocks 21 through the second rotating shaft, and the bottom of the fixing blocks 21 is fixedly connected to the mounting plates 22. By setting the fixing blocks 21, the mounting plates 22 can be fixedly connected to the hydraulic rods 20. By rotating the mounting plates 22 fixedly connected to the hydraulic rods 20, the support plates 1 can be further rotated. When the beam body is installed on the auxiliary vehicle of the beam transport vehicle, the support plates 1 can assist in steering the beam body.

[0065] In the utility model, the working steps of the device are as follows:

[0066] First, the fixing bolt 7 can be loosened to adjust the position of the guide seat 6 and the distance between the two guide seats 6 can be adjusted according to the use requirements. Then the beam is installed above the support plate 1, and the compression spring 18 can be compressed by the pressure plate 19, and the elastic force of the compression spring 18 is used to buffer the beam. Then the guide seat 6 is clamped on the beam again, the fixing bolt 7 is tightened and fixed, and the sleeve 12 is rotated to change the position of the limit block 15, so as to support the beam with the help of the limit block 15. During transportation, the two hydraulic rods 20 are extended and retracted respectively, and the position of the support plate 1 is adjusted to assist the beam in steering.

[0067] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steering device for a road beam transport vehicle auxiliary vehicle, characterized in that: The steering device comprises: A support plate (1) comprises a plate-shaped object; guide grooves (5) are respectively arranged on two side surfaces in the length direction of the support plate (1); a positioning hole (2) is arranged at the center of the support plate (1), and the positioning hole (2) is a through hole; The guide seat (6) comprises a plate-shaped object; two guide seats (6) are arranged opposite to each other; the length of the guide seat (6) corresponds to the width of the support plate (1); two guide seats (6) are arranged on the support plate (1); the guide seat (6) is clamped with the support plate (1) and can slide on the surface of the support plate (1) through the guide groove (5); The guide seat (6) further comprises a limit plate (8); the limit plate (8) is arranged vertically with the guide seat (6) and has the same length as the guide seat (6); when the two guide seats (6) slide relative to each other, the limit plate (8) can clamp the beam material; The steering device further comprises: a pad (4), comprising a plate-like object, arranged below the support plate (1); a protruding cylindrical positioning shaft (3) is arranged at the center of the pad (4); the size of the positioning shaft (3) matches the size of the positioning hole (2); the support plate (1) and the pad (4) are coaxially connected through the positioning hole (2), and the support plate (1) can rotate on the upper surface of the pad (4), thereby driving the beam material to rotate together.

2. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 1, characterized in that: The steering device also includes: The fixing plate (16) is an annular disc; the inner diameter of the fixing plate (16) matches the diameter of the positioning hole (2); a plurality of positioning bolts (17) are evenly arranged on the fixing plate (16), and the fixing plate (16) can be fixed on the support plate (1) by the positioning bolts (17); A pressure plate (19), comprising a plate-shaped object, wherein the pressure plate (19) is coaxially connected to the positioning hole (2); Compression springs (18), multiple compression springs (18) are evenly arranged in an annular direction on the upper surface of the fixed plate (16); and a pressure plate (19) is fixedly connected to the other end of the compression spring (18).

3. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 1, characterized in that: The steering device further comprises: fixing bolts (7) are arranged on two side surfaces of each guide seat (6) and at the clamping positions corresponding to the guide groove (5); the fixing bolts (7) pass through the guide seat (6) so that the guide seat (6) can be fixed to the guide groove (5).

4. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 1 is characterized in that: A mounting groove (9) penetrating the thickness of the support plate (1) is provided at the middle position of each side in the width direction of the support plate (1); a fixing rod is connected in each mounting groove (9); the fixing rod is connected to the support plate (1) via a first positioning block (10) provided in the mounting groove (9); the first positioning block (10) is rotatable in the mounting groove (9).

5. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 4 is characterized in that: The fixing rod comprises a sleeve (12); the sleeve comprises a hollow rod; a first threaded rod (11) and a second threaded rod (13) are respectively bolted to two ends of the sleeve (12); The first threaded rod (11) is connected to the support plate (1) via a first positioning block (10); and the second threaded rod (13) is connected to a limit block (15) via a second positioning block (14).

6. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 5 is characterized in that: The first threaded rod (11) and the second threaded rod (13) both comprise threaded rods; the diameters of the first threaded rod (11) and the second threaded rod (13) match the inner diameter of the sleeve (12); The first positioning block (10) and the second positioning block (14) both comprise a block body provided with an internal thread, and a first rotating shaft provided on the block body; the first positioning block (10) is threadedly connected to the first threaded rod (11); the second positioning block (14) is threadedly connected to the second threaded rod (13); The limiting block (15) comprises a plate integrally connected to the lifting ears; the lifting ears are perpendicular to the plate and are respectively arranged on both sides of the plate; the two lifting ears are connected to the second positioning block (14) via the first rotating shaft.

7. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 1 is characterized in that: The steering device further comprises: an auxiliary rotation assembly, comprising: Two parallel hydraulic rods (20) are arranged on the same side of the support plate (1); one end of the two hydraulic rods (20) is connected to the side surface of the support plate (1) in the length direction and is arranged coplanar with the support plate (1); the other end of the two hydraulic rods (20) is connected to the mounting plate (22).

8. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 7 is characterized in that: The two hydraulic rods (20) are axially symmetrically arranged on both sides of the center line of the support plate (1); the mounting plate (22) comprises a rectangular plate-shaped member, and the length of the mounting plate (22) is greater than the distance between the two hydraulic rods (20).

9. The steering device of the auxiliary vehicle of the highway beam transport vehicle according to claim 7, characterized in that: The hydraulic rod (20) is connected to the mounting plate (22) via a fixing block (21); the fixing block (21) comprises a block, and one side of the fixing block (21) is welded to the mounting plate (22); an opening parallel to the mounting plate (22) is provided at the connection between the fixing block (21) and the hydraulic rod (20), one end of the hydraulic rod (20) is provided in the opening, and the fixing block (21) and the hydraulic rod (20) are connected by a second rotating shaft.