Anti-collision wall and small box girder integral prefabricating platform

By designing an integrated prefabrication platform for the crash barrier and small box girder, and utilizing rotation and adjustment mechanisms to achieve verticality adjustment and coordinated installation of the inner and outer formwork, the problem of inconvenient coordination of inner and outer formwork in existing technologies is solved, thus improving construction efficiency.

CN224103162UActive Publication Date: 2026-04-10SINTSZYAN TRANSPORTEJSHN KONSTRAKSHN GRUP KO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SINTSZYAN TRANSPORTEJSHN KONSTRAKSHN GRUP KO LTD
Filing Date
2025-03-05
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing anti-collision wall and the prefabricated platform for small box girders have inconvenient inner and outer formwork coordination and difficulty in adjusting verticality, resulting in low construction efficiency.

Method used

A prefabrication platform integrating a crash barrier and a small box girder was designed, comprising an installation platform, a prefabrication mechanism, an adjustment mechanism, a template mechanism, and a rotating component. The rotating component drives the outer template to rotate around the length axis of the installation platform, and the adjustment mechanism moves along the width and height of the installation platform to achieve vertical adjustment and coordinated installation of the inner and outer templates.

Benefits of technology

It improved the efficiency of coordinating the installation of inner and outer formwork with the side beams of the small box girder, simplified the verticality adjustment of the crash barrier, and improved construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-collision wall and small box girder integral prefabricating platform which comprises a mounting table, a prefabricating mechanism is arranged on one side of the mounting table, and the prefabricating mechanism comprises a mounting seat, an adjusting mechanism, a template mechanism and a rotating assembly. The perpendicularity of the outer formwork and the perpendicularity of the inner formwork can be adjusted at the same time by controlling the rotating assembly to drive the outer formwork to rotate around the length axis of the mounting table, and then the perpendicularity of the prefabricated anti-collision wall can be conveniently adjusted; the bottom face of the inner formwork is attached to the top face of the small box girder edge beam, then the installation base is driven to drive the outer formwork and the inner formwork to move in the width direction of the installation table so that the side face of the outer formwork can be attached to the side face of the small box girder edge beam, and matched installation of the outer formwork, the inner formwork and the small box girder edge beam can be completed; the outer formwork and the inner formwork are matched with the small box girder boundary beam to be installed conveniently, and the construction efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely relates to a kind of anticollision wall and small box girder integral prefabrication platform. BACKGROUND

[0002] High-level road box girder can be divided into side beam and middle beam according to position, side beam is located at the outermost side of road, and needs to be provided with anticollision wall. Currently, to ensure that prefabricated anticollision wall and side beam have good integrity, after the prefabrication of small box girder side beam is completed and tension grouting work is completed, anticollision wall steel bar binding and anticollision wall concrete pouring are carried out on the side of anticollision wall embedded steel bar, to realize the integral prefabrication of anticollision wall and small box girder side beam.

[0003] However, the anticollision wall and small box girder integral prefabrication platform in the prior art is mostly simple in structure, the inner and outer formworks are mostly installed separately and matched with small box girder side beam, the inner and outer formworks are not convenient to match with small box girder side beam, and when adjusting the perpendicularity of prefabricated anticollision wall, the perpendicularity of inner and outer formworks needs to be adjusted respectively, which is not convenient to adjust the perpendicularity of prefabricated anticollision wall, and reduces construction efficiency. Therefore, in view of the above technical problems, an anticollision wall and small box girder integral prefabrication platform is proposed. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides an anticollision wall and small box girder integral prefabrication platform, which is convenient to install the inner and outer formworks and small box girder side beam, and facilitates the adjustment of the perpendicularity of prefabricated anticollision wall, thereby improving construction efficiency.

[0005] The anticollision wall and small box girder integral prefabrication platform comprises a mounting table, a prefabrication mechanism is arranged on one side of the mounting table, and the prefabrication mechanism comprises:

[0006] a mounting seat;

[0007] an adjusting mechanism, the mounting seat is arranged on the mounting table through the adjusting mechanism, and the adjusting mechanism is used to drive the mounting seat to move in the width and height directions of the mounting table;

[0008] a formwork mechanism, comprising an outer formwork, an inner formwork and a connecting assembly, the outer formwork and the inner formwork are arranged in parallel and at intervals, and the connecting assembly connects the top ends of the outer formwork and the inner formwork; and

[0009] a rotating assembly, connected between the outer formwork and the mounting seat, and used to drive the outer formwork to rotate around the length axis of the mounting table.

[0010] The anticollision wall and small box girder integral prefabrication platform has the following beneficial effects:

[0011] The small box girder side beam after the tensioning and grouting process is hoisted to one side of the device, then the outer formwork is driven to rotate around the length axis of the mounting table by controlling the rotating assembly, the outer formwork is driven to rotate by the connecting assembly to drive the inner formwork to rotate, so that the perpendicularity of the outer formwork and the inner formwork is adjusted at the same time, and then the perpendicularity of the prefabricated crash barrier is adjusted conveniently, when the perpendicularity of the outer formwork and the inner formwork is adjusted, the mounting seat is driven to move downward along the height direction of the mounting table by controlling the adjusting mechanism, the mounting seat is driven to move downward to drive the outer formwork and the inner formwork to move downward, so that the crash barrier reinforcement is located between the outer formwork and the inner formwork, and the bottom surface of the inner formwork is attached to the top surface of the small box girder side beam, then the mounting seat is driven to move along the width direction of the mounting table by controlling the adjusting mechanism to drive the outer formwork and the inner formwork to move, so that the side surface of the outer formwork is attached to the side surface of the small box girder side beam, and the cooperation and installation of the outer formwork and the inner formwork and the small box girder side beam are completed, the cooperation and installation of the outer formwork and the inner formwork and the small box girder side beam are convenient, and the construction efficiency is improved.

[0012] In one of the embodiments, the adjusting mechanism comprises a moving assembly and a lifting assembly, the moving assembly comprises a guide block, a first screw rod and a first motor, the top end of the mounting seat is provided with a guide groove, the guide block is slidingly arranged in the guide groove along the width direction of the mounting table, the first screw rod is arranged along the width direction of the mounting table and is rotatably arranged in the guide groove and is threadedly connected with the guide block, the first motor is arranged on the mounting table and the output end is coaxially connected with the first screw rod, and the mounting seat is arranged on the guide block in a lifting manner through the lifting assembly. The first screw rod is driven to rotate by controlling the first motor to rotate, the guide block is driven to slide along the width direction of the mounting table through the lifting assembly by the threaded cooperation of the first screw rod and the guide block, and the mounting seat is driven to slide along the width direction of the mounting table, which is convenient.

[0013] In one of the embodiments, the lifting assembly comprises a vertical column, a second screw rod and a second motor, the vertical column is vertically arranged on the guide block, the mounting seat is slidingly arranged on the vertical column along the height direction of the mounting table, the second screw rod is arranged in parallel with the vertical column and is rotatably arranged on the vertical column and is threadedly connected with the mounting seat, and the second motor is arranged on the guide block and the output end is coaxially connected with the second screw rod. The mounting seat is driven to slide along the height direction of the mounting table by controlling the second motor to drive the second screw rod to rotate, the second screw rod is threadedly connected with the mounting seat, and the mounting seat is driven to slide along the height direction of the mounting table, which is convenient.

[0014] In one of the embodiments, the connecting assembly comprises guide posts, guide sleeves and a fixing assembly; the outer formwork is provided with a plurality of groups of the guide posts at intervals along the length direction of the top end of the outer formwork; the inner formwork is provided with a plurality of groups of the guide sleeves corresponding to the plurality of groups of the guide posts; the plurality of groups of the guide sleeves can be slidably sleeved on the plurality of groups of the guide posts along the width direction of the mounting table; the fixing assembly is arranged on the inner formwork and is selectively connected with the plurality of groups of the guide posts to fix or release the inner formwork. The parallel stability of the outer formwork and the inner formwork can be ensured by arranging the plurality of groups of the guide posts and the plurality of groups of the guide sleeves in cooperation, and the stability of the fixing of the inner formwork can be improved by connecting the fixing assembly with the plurality of groups of the guide posts.

[0015] In one of the embodiments, the fixing assembly comprises an installation rod, guide shafts and springs; the side wall of the inner formwork away from the outer formwork is vertically provided with a plurality of groups of the guide shafts; the installation rod is slidably sleeved on the plurality of groups of the guide shafts along the vertical direction; the plurality of groups of the guide shafts are each sleeved with the spring; the two ends of the spring are respectively abutted against the bottom end of the guide shaft and the installation rod; the plurality of groups of the guide posts are each provided with a fixing hole; the top end of the installation rod is provided with a plurality of groups of fixing columns corresponding to the plurality of groups of the fixing holes; the plurality of groups of the fixing columns can be penetrated into the plurality of groups of the fixing holes. The spring is compressed by moving the installation rod downward, the installation rod is moved downward to drive the plurality of groups of the fixing columns to move downward and separate from the plurality of groups of the fixing holes, at which time the fixing of the inner formwork can be released; when the force applied to the installation rod is released, the installation rod is moved upward by the reaction force of the spring, the installation rod is moved upward to drive the plurality of groups of the fixing columns to move upward and penetrate into the plurality of groups of the fixing holes, at which time the inner formwork can be fixed. The fixing or releasing of the inner formwork is convenient.

[0016] In one of the embodiments, the fixing holes on the plurality of groups of the guide posts are each provided with a plurality of groups at intervals along the width direction of the mounting table. The fixing position of the inner formwork can be adjusted by moving the inner formwork along the width direction of the mounting table, the installation rod is moved by the movement of the inner formwork, the plurality of groups of the fixing columns are matched with the plurality of groups of the fixing holes at different positions by the movement of the installation rod, the fixing position of the inner formwork is adjusted, the distance between the inner formwork and the outer formwork is adjusted, and the thickness of the prefabricated crash barrier wall is adjusted according to the requirement, thereby improving the practicability of the device.

[0017] In one of the embodiments, the rotating assembly comprises a connecting rod and a hydraulic telescopic column; one end of the connecting rod is fixedly connected with the mounting base, the outer formwork away from the inner formwork can be rotated about the length axis of the mounting table at the other end of the connecting rod; the hydraulic telescopic column is located between the outer formwork and the mounting base and is hingedly connected with the outer formwork and the mounting base at two ends. The outer formwork can be driven to rotate about the length axis of the mounting table by controlling the extension and contraction of the hydraulic telescopic column, and the driving of the outer formwork to rotate about the length axis of the mounting table is convenient.

[0018] In one of the embodiments, the installation table is symmetrically provided with the prefabricating mechanism on both sides. By symmetrically arranging two groups of prefabricating mechanisms, the prefabricating of the crash barrier wall for the small box girder side beam is facilitated, thereby improving the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application, the drawings used in the specific embodiments will be briefly introduced. In all the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0020] Figure 1 A perspective structural schematic view of the crash barrier wall and small box girder integral prefabricating platform according to an embodiment of the present application is shown in the figure.

[0021] Figure 2 A perspective structural schematic view of the crash barrier wall and small box girder integral prefabricating platform according to an embodiment of the present application is shown in the figure. Figure 1 An exploded view of the prefabricating mechanism in the crash barrier wall and small box girder integral prefabricating platform according to an embodiment of the present application is shown in the figure.

[0022] Figure 3 An exploded view of the template mechanism in the crash barrier wall and small box girder integral prefabricating platform according to an embodiment of the present application is shown in the figure. Figure 1 An exploded view of the template mechanism in the crash barrier wall and small box girder integral prefabricating platform according to an embodiment of the present application is shown in the figure.

[0023] Reference signs:

[0024] 1. Small box girder side beam

[0025] 10. Installation table; 101. Guide groove

[0026] 20. Mounting seat

[0027] 30. Outer template; 301. Inner template

[0028] 40. Guide block; 401. First screw; 402. First motor; 403. Column; 404. Second screw; 405. Second motor

[0029] 50. Guide column; 501. Guide sleeve; 502. Mounting rod; 503. Guide shaft; 504. Spring; 505. Fixing hole; 506. Fixing column

[0030] 60. Connecting rod; 601. Hydraulic telescopic column DETAILED DESCRIPTION

[0031] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0032] Please refer to Figure 1 and Figure 2The anti-collision wall and small box girder integral prefabrication platform in an embodiment comprises a mounting table 10, and a prefabrication mechanism is arranged on one side of the mounting table 10.

[0033] The mounting seat 20 is arranged on the mounting table 10 through the adjusting mechanism, and the adjusting mechanism is used for driving the mounting seat 20 to move along the width and height directions of the mounting table 10. The formwork mechanism comprises an outer formwork 30, an inner formwork 301 and a connecting assembly. The outer formwork 30 and the inner formwork 301 are arranged in parallel and at intervals, and the connecting assembly is connected to the top ends of the outer formwork 30 and the inner formwork 301. The rotating assembly is connected to the outer formwork 30 and the mounting seat 20, and is used for driving the outer formwork 30 to rotate around the length axis of the mounting table 10.

[0034] In the above embodiment, the small box girder side beam 1 after the tensioning and grouting process is hoisted to one side of the device, then the rotating assembly is controlled to drive the outer formwork 30 to rotate around the length axis of the mounting table 10. The outer formwork 30 rotates to drive the inner formwork 301 to rotate through the connecting assembly, so as to simultaneously adjust the perpendicularity of the outer formwork 30 and the inner formwork 301, thereby facilitating the adjustment of the perpendicularity of the prefabricated anti-collision wall. After the perpendicularity of the outer formwork 30 and the inner formwork 301 is adjusted, the adjusting mechanism is controlled to drive the mounting seat 20 to move downward along the height direction of the mounting table 10. The downward movement of the mounting seat 20 drives the outer formwork 30 and the inner formwork 301 to move downward, so that the anti-collision wall reinforcement is located between the outer formwork 30 and the inner formwork 301, and the bottom surface of the inner formwork 301 is attached to the top surface of the small box girder side beam 1. Then the adjusting mechanism is controlled to drive the mounting seat 20 to move along the width direction of the mounting table 10, so that the side surface of the outer formwork 30 is attached to the side surface of the small box girder side beam 1. Thus, the cooperation and installation of the outer formwork 30, the inner formwork 301 and the small box girder side beam 1 are completed. The cooperation and installation of the outer formwork 30 and the inner formwork 301 with the small box girder side beam 1 are convenient, and the construction efficiency is improved.

[0035] Further based on the above embodiment, the adjusting mechanism comprises a moving assembly and a lifting assembly. The moving assembly comprises a guide block 40, a first screw rod 401 and a first motor 402. The top end of the mounting seat 20 is provided with a guide groove 101. The guide block 40 is slidingly arranged in the guide groove 101 along the width direction of the mounting table 10. The first screw rod 401 is arranged along the width direction of the mounting table 10 and is rotatably arranged in the guide groove 101 and is in threaded connection with the guide block 40. The first motor 402 is arranged on the mounting table 10 and is coaxially connected with the first screw rod 401 at the output end. The mounting seat 20 is arranged on the guide block 40 in a liftable manner through the lifting assembly.

[0036] In the above embodiment, by controlling the first motor 402 to rotate to drive the first screw rod 401 to rotate, the first screw rod 401 is threadedly connected with the guide block 40, so as to drive the guide block 40 to slide along the width direction of the mounting table 10 through the lifting assembly to drive the mounting seat 20 to slide along the width direction of the mounting table 10, which is convenient.

[0037] Based on the above embodiment, further, the lifting assembly comprises a vertical column 403, a second screw rod 404 and a second motor 405; the vertical column 403 is vertically arranged on the guide block 40, the mounting seat 20 is sleeved on the vertical column 403 along the height direction of the mounting table 10, the second screw rod 404 is arranged in parallel with the vertical column 403 and is rotatably arranged on the vertical column 403 and is threadedly connected with the mounting seat 20, and the second motor 405 is arranged on the guide block 40 and is coaxially connected with the second screw rod 404 at the output end.

[0038] In the above embodiment, by controlling the second motor 405 to rotate to drive the second screw rod 404 to rotate, the second screw rod 404 is threadedly connected with the mounting seat 20, so as to drive the mounting seat 20 to slide along the height direction of the mounting table 10, which is convenient.

[0039] Based on the above embodiment, further, the rotating assembly comprises a connecting rod 60 and a hydraulic telescopic column 601; one end of the connecting rod 60 is fixedly connected with the mounting seat 20, the other end of the connecting rod 60 is arranged on the outer mold plate 30 which is rotatable about the length axis of the mounting table 10 and is away from the inner mold plate 301, and the hydraulic telescopic column 601 is located between the outer mold plate 30 and the mounting seat 20 and is hingedly connected with the outer mold plate 30 and the mounting seat 20 at both ends. In the above embodiment, by controlling the hydraulic telescopic column 601 to extend or retract, the outer mold plate 30 can be driven to rotate about the length axis of the mounting table 10, which is convenient.

[0040] Please refer to Figure 2 and Figure 3 In an embodiment, the connecting assembly comprises guide columns 50, guide sleeves 501 and a fixing assembly; a plurality of groups of guide columns 50 are arranged on the top end of the outer mold plate 30 along the length direction thereof, a plurality of groups of guide sleeves 501 are arranged on the top end of the inner mold plate 301 corresponding to the plurality of groups of guide columns 50, the plurality of groups of guide sleeves 501 can be sleeved on the plurality of groups of guide columns 50 along the width direction of the mounting table 10, and the fixing assembly is arranged on the inner mold plate 301 and is selectively connected with the plurality of groups of guide columns 50 to fix or unfixed the inner mold plate 301.

[0041] In the above embodiment, by arranging the plurality of groups of guide columns 50 and the plurality of groups of guide sleeves 501, the parallel stability of the outer mold plate 30 and the inner mold plate 301 can be ensured, and by connecting the fixing assembly with the plurality of groups of guide columns 50, the fixing stability of the inner mold plate 301 can be improved.

[0042] Further based on the above embodiment, the fixing assembly comprises a mounting rod 502, a guide shaft 503 and a spring 504; the inner mold plate 301 is provided with a plurality of groups of guide shafts 503 vertically on the side wall away from the outer mold plate 30, the mounting rod 502 is sleeved on the plurality of groups of guide shafts 503 in the vertical direction, the plurality of groups of guide shafts 503 are each sleeved with a spring 504, the two ends of the spring 504 are respectively abutted against the bottom end of the guide shaft 503 and the mounting rod 502, and the plurality of groups of guide columns 50 are each provided with a fixing hole 505, the mounting rod 502 is provided with a plurality of groups of fixing columns 506 at the top end corresponding to the plurality of groups of fixing holes 505, and the plurality of groups of fixing columns 506 can be sleeved in the plurality of groups of fixing holes 505.

[0043] In the above embodiment, the spring 504 is compressed by moving the mounting rod 502 downward, the mounting rod 502 moves downward to drive the plurality of groups of fixing columns 506 to move downward and separate from the plurality of groups of fixing holes 505, at this time, the fixing of the inner mold plate 301 can be cancelled, when the acting force applied to the mounting rod 502 is cancelled, the mounting rod 502 moves upward under the reaction force of the spring 504, the mounting rod 502 moves upward to drive the plurality of groups of fixing columns 506 to move upward and be sleeved in the plurality of groups of fixing holes 505, at this time, the inner mold plate 301 can be fixed, and the fixing or cancelling of the inner mold plate 301 is convenient.

[0044] Further based on the above embodiment, the fixing holes 505 on the plurality of groups of guide columns 50 are each spaced apart in the width direction of the mounting table 10. In the above embodiment, the inner mold plate 301 is moved in the width direction of the mounting table 10, the inner mold plate 301 moves to drive the mounting rod 502 to move, the mounting rod 502 moves to make the plurality of groups of fixing columns 506 cooperate with the plurality of groups of fixing holes 505 at different positions, the fixing position of the inner mold plate 301 can be adjusted, so that the distance between the inner mold plate 301 and the outer mold plate 30 is adjusted, and then the thickness of the prefabricated crash barrier wall can be adjusted according to the demand, and the practicability of the device is improved.

[0045] Please refer to Figure 1 In an embodiment, the mounting table 10 is symmetrically provided with a prefabricating mechanism on both sides. By symmetrically arranging two groups of prefabricating mechanisms, the prefabricating of the crash barrier wall on the small box girder side beam 1 can be simultaneously performed, so that the construction efficiency is improved.

[0046] The specific embodiment of the crash barrier wall and the small box girder whole prefabricating platform is as follows:

[0047] The small box girder side beam 1 after the tensioning and grouting process is hoisted to one side of the device, and then the outer formwork 30 can be driven to rotate around the length axis of the mounting table 10 by controlling the hydraulic telescopic column 601 to extend and retract, the outer formwork 30 is rotated to drive the inner formwork 301 to rotate through the cooperation of the multiple sets of guide columns 50 and the multiple sets of guide sleeves 501, so that the perpendicularity of the outer formwork 30 and the inner formwork 301 is adjusted at the same time, and then the perpendicularity of the prefabricated crash barrier is conveniently adjusted, when the perpendicularity of the outer formwork 30 and the inner formwork 301 is adjusted, the second motor 405 is controlled to rotate to drive the second screw rod 404 to rotate, the second screw rod 404 is rotated and screwed with the mounting seat 20, so that the mounting seat 20 is driven to slide downward along the height direction of the mounting table 10, the mounting seat 20 moves downward to drive the outer formwork 30 and the inner formwork 301 to move downward, so that the crash barrier reinforcement is located between the outer formwork 30 and the inner formwork 301, and the bottom surface of the inner formwork 301 is attached to the top surface of the small box girder side beam 1, then the first motor 402 is controlled to rotate to drive the first screw rod 401 to rotate, the first screw rod 401 is rotated and screwed with the guide block 40, so that the guide block 40 drives the mounting seat 20 to slide along the width direction of the mounting table 10 through the vertical column 403, the mounting seat 20 slides along the width direction of the mounting table 10 to drive the outer formwork 30 and the inner formwork 301 to move, so that the side surface of the outer formwork 30 is attached to the side surface of the small box girder side beam 1, and the cooperation and installation of the outer formwork 30 and the inner formwork 301 with the small box girder side beam 1 are completed, the cooperation and installation of the outer formwork 30 and the inner formwork 301 with the small box girder side beam 1 are convenient, and the construction efficiency is improved.

[0048] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A crash wall and small box girder integrated precast platform, characterized in that, The installation base (10) is provided with a prefabricating mechanism on one side, the prefabricating mechanism comprises: The mounting seat (20); An adjusting mechanism is arranged on the installation base (10) through the adjusting mechanism, and the adjusting mechanism is used for driving the mounting seat (20) to move along the width and height directions of the installation base (10); The template mechanism comprises an outer template (30), an inner template (301) and a connecting assembly, the outer template (30) and the inner template (301) are arranged in parallel and are spaced apart, and the connecting assembly is connected to the top ends of the outer template (30) and the inner template (301); and A rotating assembly is connected to the outer template (30) and the mounting seat (20), and the rotating assembly is used for driving the outer template (30) to rotate around the length axis of the installation base (10).

2. The crash wall and small box girder integral precasting platform according to claim 1, wherein, The adjusting mechanism comprises a moving assembly and a lifting assembly, the moving assembly comprises a guide block (40), a first screw rod (401) and a first motor (402), the top end of the mounting seat (20) is provided with a guide groove (101), the guide block (40) is slidably arranged in the guide groove (101) along the width direction of the installation base (10), the first screw rod (401) is arranged along the width direction of the installation base (10) and is rotatably arranged in the guide groove (101) and is in threaded connection with the guide block (40), and the first motor (402) is arranged on the installation base (10) and is coaxially connected with the output end of the first screw rod (401), and the mounting seat (20) is arranged on the guide block (40) in a lifting manner through the lifting assembly.

3. The crash wall and small box girder integral precasting platform according to claim 2, wherein, The lifting assembly comprises a vertical column (403), a second screw rod (404) and a second motor (405); the vertical column (403) is vertically arranged on the guide block (40), the mounting seat (20) is slidably arranged on the vertical column (403) along the height direction of the installation base (10), the second screw rod (404) is arranged in parallel with the vertical column (403) and is rotatably arranged on the vertical column (403) and is in threaded connection with the mounting seat (20), and the second motor (405) is arranged on the guide block (40) and is coaxially connected with the output end of the second screw rod (404).

4. The crash wall and small box girder integral precasting platform of claim 1, wherein, The connecting assembly comprises a guide column (50), a guide sleeve (501) and a fixing assembly; a plurality of groups of the guide columns (50) are arranged on the top end of the outer template (30) along the length direction and are spaced apart, a plurality of groups of the guide sleeves (501) are arranged on the top end of the inner template (301) corresponding to the plurality of groups of the guide columns (50), the plurality of groups of the guide sleeves (501) can be slidably arranged on the plurality of groups of the guide columns (50) along the width direction of the installation base (10), and the fixing assembly is arranged on the inner template (301) and is selectively connected with the plurality of groups of the guide columns (50) to fix or release the inner template (301).

5. The crash wall and small box girder integrated precast platform of claim 4, wherein, The fixing assembly comprises a mounting rod (502), guide shafts (503) and springs (504); the inner mold plate (301) is provided with a plurality of groups of the guide shafts (503) vertically on the side wall away from the outer mold plate (30), the mounting rod (502) is sleeved on the plurality of groups of the guide shafts (503) in the vertical direction, the plurality of groups of the guide shafts (503) are each sleeved with the spring (504), the two ends of the spring (504) are respectively abutted against the bottom end of the guide shaft (503) and the mounting rod (502), a plurality of groups of the fixing holes (505) are formed in the plurality of groups of the guide columns (50), a plurality of groups of the fixing columns (506) are arranged on the top end of the mounting rod (502) and correspond to the plurality of groups of the fixing holes (505), and the plurality of groups of the fixing columns (506) can be arranged in the plurality of groups of the fixing holes (505).

6. The crash wall and small box girder integrated precasting platform of claim 5, wherein, The fixing holes (505) on the plurality of groups of the guide columns (50) are each arranged in a plurality of groups along the width direction of the mounting table (10).

7. The crash wall and small box girder integral precasting platform of claim 1, wherein, The rotating assembly comprises a connecting rod (60) and a hydraulic telescopic column (601); one end of the connecting rod (60) is fixedly connected with the mounting base (20), the outer mold plate (30) away from the inner mold plate (301) side can be rotated around the length axis of the mounting table (10) and is arranged on the other end of the connecting rod (60), and the hydraulic telescopic column (601) is located between the outer mold plate (30) and the mounting base (20) and is hingedly connected with the outer mold plate (30) and the mounting base (20) at two ends.

8. The crash wall and small box girder integral precasting platform of claim 1, wherein, The mounting table (10) is symmetrically provided with the prefabricating mechanism on both sides.