Highway pavement crushing device

By using limit bars and guide blocks to gather the broken stones, the problem of stone scattering in existing devices is solved, thereby improving safety and efficiency and adapting to road breaking operations of different widths.

CN223853136UActive Publication Date: 2026-01-30QINGHAI SHENGRONG CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520156760.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-30
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing road surface breaking equipment causes stones to scatter on the road during the breaking process, resulting in safety hazards and increased cleanup costs.

Method used

Design a road surface crushing device that uses a limit bar and guide block structure. The limit bar and guide block are moved by a motor-driven threaded rod to gather the crushed stones and pile them up to prevent them from scattering.

Benefits of technology

It effectively avoids safety hazards to vehicles and pedestrians caused by stones, reduces the time and labor costs of cleaning up scattered stones, and adapts to the needs of road breaking operations of different widths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of highway maintenance, in particular to a highway pavement crushing device which comprises a plate trailer, movable tracks fixedly connected to the left side and the right side of the bottom of the plate trailer, a grip fixedly connected to the rear of the top of the plate trailer, a hydraulic cylinder fixedly connected to the front side of the top of the plate trailer, and a crushing hammer fixedly connected to the output end of the hydraulic cylinder. A first hollow shell is fixedly connected to the front side of the middle of the top of the plate trailer, a second hollow shell is fixedly connected to the rear side of the middle of the top of the plate trailer, motors are fixedly connected to the left side in the first hollow shell and the right side in the second hollow shell, and threaded rods are fixedly connected to the output ends of the motors. Through design cooperation of a motor and a limiting strip, when a hydraulic cylinder drives a breaking hammer to break a road surface, the device can gather broken stones falling due to impact, once the broken stones are scattered on the road surface, potential safety hazards can be possibly caused to other vehicles and pedestrians, and the problem can be effectively solved through concentrated accumulation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a highway maintenance technical field especially relates to a highway pavement breaking device. BACKGROUND

[0002] Highway pavement breaking refers to the process of using mechanical equipment to break and demolish the highway pavement, which is usually for road maintenance, reconstruction or transformation.

[0003] The patent specification with publication number CN221941090U discloses a highway pavement breaking device, which comprises a traction mechanism, a shell, a breaking mechanism, a spraying mechanism and a water storage tank. The front end of the shell is connected with the traction mechanism, and the lower end and the end of the shell are open. A dust curtain is arranged at the end, and the lower end surface of the shell is spaced apart from the ground. At least two breaking mechanisms and spraying mechanisms are arranged in the shell. The water storage tank is arranged above the shell and connected with the spraying mechanism. During operation, the highway pavement at at least two points can be broken, effectively increasing the number of points and the range of pavement breaking in a single operation, and effectively improving the breaking efficiency of the highway pavement. The shell is provided, the breaking mechanism is arranged in the shell, and the spraying mechanism is also arranged on the inner side of the shell. The shell limits dust overflow, and the spraying mechanism sprays dust to effectively reduce dust during highway pavement breaking and prevent dust from polluting the environment.

[0004] However, in the implementation of the related technology, the above-mentioned highway pavement breaking device has the following problems: in the existing pavement breaking operation, if the stones and fragments generated by breaking are not collected in time and effectively, they may remain in place or scatter on the surrounding road. These scattered stones not only affect the traffic capacity of the road, but also become a hidden danger of traffic accidents, posing a safety threat to vehicles and pedestrians on the road. In view of this, a highway pavement breaking device is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the defects in the prior art and provides a highway pavement breaking device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a highway pavement breaking device, including the flatcar, the flatcar bottom left and right sides are fixedly connected with the mobile track, the flatcar top rear is fixedly connected with the handle, the flatcar top front side is fixedly connected with the hydraulic cylinder, the hydraulic cylinder output is fixedly connected with the breaking hammer, the flatcar top middle front side is fixedly connected with the first hollow shell, the flatcar top middle rear is fixedly connected with the second hollow shell, the first hollow shell inside left side and the second hollow shell inside right side are all fixedly connected with the motor, the motor output is fixedly connected with the threaded rod, the threaded rod outside spiral connection has the moving block, the moving block bottom is fixedly connected with the connecting rod, the connecting rod is away from the moving block one end and is fixedly connected with the limit strip, the limit strip rear side top is fixedly connected with the guide block, the flatcar inside center place's front side and rear side all are set with the sliding slot, the first hollow shell and the second hollow shell top middle are all fixedly connected with the general controller.

[0007] As the further description of the above technical scheme: the threaded rod is away from the motor one end and is rotatably connected with the first hollow shell inside right side top and the second hollow shell inside left side top respectively, the moving block surface is contacted with the first hollow shell inner wall and the second hollow shell inner wall respectively, the first hollow shell inside below right side and the second hollow shell inside below left side are all slidably connected with the connecting rod upper side outside, the sliding slot inner wall in the flatcar interior is slidably connected with the connecting rod upper side outside, can gather the broken stone block that is impacted and falls when the hydraulic cylinder drives the breaking hammer to break the road surface, once the broken stone block if scatters on the road surface, possibly can cause the security hidden danger to other vehicles and pedestrians, and the centralized accumulation can effectively avoid this problem.

[0008] As the further description of the above technical scheme: the general controller is electrically connected with the motor in the first hollow shell and the second hollow shell, and the general controller can control the forward rotation and reverse rotation of the motor, and the synchronous start, shutdown and reverse rotation of the two groups of motors can be controlled by the general controller.

[0009] As the further description of the above technical scheme: the first hollow shell inside below right side and the second hollow shell inside below left side are all set with the transverse groove from left to right, and the groove is intercommunicated with the sliding slot in the flatcar interior, the width of the groove set in the sliding slot in the flatcar interior, the first hollow shell inside below right side and the second hollow shell inside below left side is matched with the transverse section diameter of the connecting rod, the moving block of the first hollow shell and the second hollow shell can be moved by the connecting rod driving the limit strip and the guide block at the bottom of the flatcar.

[0010] As the further description of the above technical scheme: the number of the limiting strips and the guide blocks is two, and the limiting strips and the guide blocks are distributed on the left and right sides of the bottom of the board cart, the limiting strip on the right side of the bottom of the board cart is connected by the connecting rod inside the first hollow shell, and the limiting strip on the left side of the bottom of the board cart is connected by the connecting rod inside the second hollow shell, so that the limiting strips can concentrate the broken stones by the guide blocks, and the time and labor cost for cleaning the scattered stones can be reduced.

[0011] As the further description of the above technical scheme: the guide block on the rear end face of the limiting strip is in an inclined state as a whole, and the inclination angle of the guide block is 45° from the top end of the rear side of the limiting strip to the inner side, so that the guide block can accumulate the stones inward, and the subsequent operators can conveniently collect or clean the stones.

[0012] As the further description of the above technical scheme: the length sum of the limiting strips and the guide blocks matches the distance from the top end of the rear side of the breaking hammer to the top end of the rear side of the board cart, and the top end of the front side of the limiting strips and the guide blocks is located at the position of the top end of the rear side of the breaking hammer, so that the device is suitable for road breaking operation of different widths, and can adapt to different working requirements by adjusting the position of the limiting strips.

[0013] The utility model has the advantages of:

[0014] The road surface breaking device designed in the utility model is matched by the design of the motor and the limiting strips, so that the device can gather the broken stones falling under the impact when the breaking hammer driven by the hydraulic cylinder breaks the road surface. If the broken stones are scattered on the road surface, it may cause safety hazards to other vehicles and pedestrians, and the centralized accumulation can effectively avoid this problem. In addition, the centralized treatment of the broken materials can reduce the time and labor cost for cleaning the scattered stones. The motor can drive the limiting strips and the guide blocks to move from the outside to the inside through the threaded rod, so that the device is suitable for road breaking operation of different widths, and can adapt to different working requirements by adjusting the position of the limiting strips. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a front side top longitudinal section structure schematic view of the board cart of the utility model;

[0017] Fig. 3 It is a first hollow shell and a second hollow shell longitudinal section structure schematic view of the utility model;

[0018] Fig. 4 It is a limiting strip whole structure schematic view of the utility model.

[0019] Legend:

[0020] 1, board car; 2, mobile track; 3, handle; 4, hydraulic cylinder; 5, first hollow shell; 6, second hollow shell; 7, general controller; 8, breaking hammer; 9, sliding groove; 10, motor; 11, threaded rod; 12, moving block; 13, connecting rod; 14, limit bar; 15, guide block. DETAILED DESCRIPTION

[0021] Refer to Figs. 1 to 4 The utility model provides a highway pavement breaking device, including board car 1, board car 1 bottom left and right sides are provided with mobile track 2, board car 1 top rear welding handle 3, board car 1 top front side is fixed with hydraulic cylinder 4 through bolt, hydraulic cylinder 4 output end sets up breaking hammer 8, board car 1 top middle front side is fixed with first hollow shell 5 through bolt, board car 1 top middle rear side is fixed with second hollow shell 6 through bolt, first hollow shell 5 inside left side and second hollow shell 6 inside right side are all fixed with motor 10 through bolt, the output shaft welding threaded rod 11 of motor 10 output end, threaded rod 11 outside passes through moving block 12 inside and with moving block 12 inside inner thread each other spiral, moving block 12 bottom welding connecting rod 13, connecting rod 13 far from moving block 12 one end welding limit bar 14, limit bar 14 rear side top end welding guide block 15, the front side and rear side of board car 1 inside center place are all set up sliding groove 9, first hollow shell 5 and second hollow shell 6 top middle are all fixed with general controller 7 through bolt, threaded rod 11 far from motor 10 one end is connected with first hollow shell 5 inside right side top end and second hollow shell 6 inside left side top end rotation respectively, moving block 12 surface is contacted with first hollow shell 5 inner wall and second hollow shell 6 inner wall respectively, first hollow shell 5 inside lower right side and second hollow shell 6 inside lower left side are all slidably connected with connecting rod 13 upper outside, the sliding groove 9 inner wall in board car 1 inside is slidably connected with connecting rod 13 upper outside, can gather the broken stone piece that is impacted and falls when breaking hammer 8 is driven by hydraulic cylinder 4 to the pavement, if the broken stone piece is scattered on the pavement, possibly causes the security hidden danger to other vehicles and pedestrians, and the centralized accumulation can effectively avoid this problem.

[0022] As the further implementation of the above technical solution: general controller 7 is electrically connected with motor 10 in first hollow shell 5 and second hollow shell 6, and general controller 7 can control motor 10 forward rotation and reverse rotation, and can control the synchronous start, shutdown and reverse of two groups of motor 10 through general controller.

[0023] As a further implementation of the above technical solution: the first hollow shell 5 inside the lower right side and the second hollow shell 6 inside the lower left side are provided with a left-to-right transverse groove, and the groove is communicated with the sliding groove 9 inside the board cart 1, and the width of the sliding groove 9 inside the board cart 1 and the groove opened on the right side of the first hollow shell 5 and the left side of the second hollow shell 6 matches the diameter of the transverse section of the connecting rod 13, so that the moving block 12 of the first hollow shell 5 and the second hollow shell 6 can be moved by the connecting rod 13. The limiting strip 14 and the guide block 15 at the bottom of the board cart 1.

[0024] As a further implementation of the above technical solution: the number of limiting strips 14 and guide blocks 15 is two, and the limiting strips 14 and guide blocks 15 are distributed on the left and right sides of the bottom of the board cart 1, the limiting strip 14 on the right side of the bottom of the board cart 1 is connected by the connecting rod 13 inside the first hollow shell 5, and the limiting strip 14 on the left side of the bottom of the board cart 1 is connected by the connecting rod 13 inside the second hollow shell 6, so that the limiting strip 14 can concentrate the broken stone with the guide block 15, which can reduce the time and labor cost of cleaning scattered stone.

[0025] As a further implementation of the above technical solution: the guide block 15 on the rear end surface of the limiting strip 14 is in an inclined state, and the inclination angle of the guide block 15 is inclined by 45° from the rear top end to the inner side of the limiting strip 14. The guide block 15 can accumulate the stone inward, which is convenient for the subsequent operator to collect or clean the stone.

[0026] As a further implementation of the above technical solution: the length sum of the limiting strip 14 and the guide block 15 matches the distance from the rear top end of the breaking hammer 8 to the rear top end of the board cart 1, and the front top end of the limiting strip 14 and the guide block 15 is located at the rear top end of the breaking hammer 8. It can be suitable for road breaking operation of different widths, and by adjusting the position of the limiting strip 14, it can adapt to different work requirements.

[0027] Working principle:

[0028] When the utility model is used, the operator holds the handle 3, moves the caterpillar track 2 to move the board cart 1 to the set position, then adjusts the position of the two limiting strips 14 at the bottom of the board cart 1 according to the demand of breaking the road surface, the operator operates the general controller 7 at the top of the first hollow shell 5 and the second hollow shell 6, the general controller 7 controls the first motor 10 and the motor 10 inside the first hollow shell 5 and the second hollow shell 6 to start, the motor 10 drives the threaded rod 11 at the output end to rotate, the moving block 12 at the outside of the threaded rod 11 drives the limiting strip 14 and the guide block 15 to move horizontally from outside to inside or from inside to outside through the connecting rod 13 along the chute 9, after the position adjustment is completed, the motor 10 is controlled to be closed through the general controller 7, then the hydraulic cylinder 4 is opened, the hydraulic cylinder 4 drives the breaking hammer 8 to move up and down circularly, the breaking hammer 8 hammers and breaks the road surface, and the operator slowly pushes the board cart 1 to move, the stone produced by breaking is limited by the limiting strip 14 and the guide block 15, and finally the stone is centrally accumulated by the guide block 15, so that the problem that other vehicles and pedestrians cause safety hazards is avoided.

[0029] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A highway pavement breaking device comprising a trolley (1), characterised in that: The bottom of the board car (1) is fixedly connected with moving tracks (2) on the left and right sides, the top rear of the board car (1) is fixedly connected with a handle (3), the top front of the board car (1) is fixedly connected with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected with a breaking hammer (8), the top middle front of the board car (1) is fixedly connected with a first hollow shell (5), the top middle rear of the board car (1) is fixedly connected with a second hollow shell (6), the inside left of the first hollow shell (5) and the inside right of the second hollow shell (6) are both fixedly connected with a motor (10), the output end of the motor (10) is fixedly connected with a threaded rod (11), the outside of the threaded rod (11) is spirally connected with a moving block (12), the bottom of the moving block (12) is fixedly connected with a connecting rod (13), the end, away from the moving block (12), of the connecting rod (13) is fixedly connected with a limiting strip (14), the rear top of the limiting strip (14) is fixedly connected with a guide block (15), the front and rear of the center inside of the board car (1) are both provided with a sliding groove (9), and the top middle of the first hollow shell (5) and the second hollow shell (6) are both fixedly connected with a general controller (7).

2. A highway pavement breaking device according to claim 1, characterized in that: The end, away from the motor (10), of the threaded rod (11) is rotatably connected with the inside right top of the first hollow shell (5) and the inside left top of the second hollow shell (6), respectively, the surface of the moving block (12) is in contact with the inner walls of the first hollow shell (5) and the second hollow shell (6), respectively, the lower right inside of the first hollow shell (5) and the lower left inside of the second hollow shell (6) are both slidably connected with the upper outer side of the connecting rod (13), and the inner wall of the sliding groove (9) inside the board car (1) is slidably connected with the upper outer side of the connecting rod (13).

3. A highway pavement breaking device according to claim 1, characterized in that: The general controller (7) is electrically connected with the motors (10) inside the first hollow shell (5) and the second hollow shell (6), and the general controller (7) can control the motors (10) to rotate forward and reverse.

4. The highway pavement breaking device of claim 1, wherein: The lower right inside of the first hollow shell (5) and the lower left inside of the second hollow shell (6) are both provided with a horizontal groove from left to right, and the horizontal groove is communicated with the sliding groove (9) inside the board car (1), and the width of the horizontal groove is matched with the diameter of the transverse section of the connecting rod (13).

5. A highway pavement breaking device according to claim 1, characterized in that: The number of the limiting strips (14) and the guide blocks (15) is both two, and the limiting strips (14) and the guide blocks (15) are distributed on the left and right sides of the bottom of the board car (1), the limiting strip (14) on the right side of the bottom of the board car (1) is connected with the connecting rod (13) below the inside of the first hollow shell (5), and the limiting strip (14) on the left side of the bottom of the board car (1) is connected with the connecting rod (13) below the inside of the second hollow shell (6).

6. A highway pavement breaking device according to claim 1, characterized in that: The guide blocks (15) on the rear end faces of the limiting strips (14) are all in an inclined state, and the inclination angle of the guide blocks (15) is 45° from the top rear end to the inside of the limiting strips (14).

7. A highway pavement breaking device according to claim 1, characterized in that: The length sum of the limiting strip (14) and the guide block (15) matches the distance from the rear top end of the breaking hammer (8) to the rear top end of the plate cart (1), and the front top end of the limiting strip (14) and the guide block (15) are both located at the rear top end of the breaking hammer (8).

Citation Information

Patent Citations

  • Highway pavement crushing device

    CN221941090U