A road surface breaking device for light testing tunnel construction

By introducing hydraulic arms, crushing cones, dust extraction devices, and protective baffles into the crushing equipment used in tunnel construction, the problems of stone splashing and dust in the tunnel crusher have been solved, achieving safe and efficient crushing operations.

CN224431208UActive Publication Date: 2026-06-30CHANGZHOU SHENGHUI CONSTR DECORATION ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU SHENGHUI CONSTR DECORATION ENG CO LTD
Filing Date
2025-05-21
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing crushers used in tunnels are prone to splashing stones that can cause injury and generate a lot of dust, affecting visibility and the health of operators.

Method used

A road surface breaking device for light testing tunnel construction was designed, equipped with a hydraulic arm and a breaking cone, combined with a dust suction device and a protective baffle to prevent stones from splashing out and to suck up dust. The transparent baffle is height adjustable to accommodate different users.

Benefits of technology

It effectively prevents stones from flying, reduces dust concentration, improves operational safety and visibility in tunnels, and protects the health of operators.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224431208U_ABST
    Figure CN224431208U_ABST
Patent Text Reader

Abstract

This utility model discloses a road surface breaking device for tunnel construction using lighting testing, including a frame and a rotating platform. A hydraulic arm is mounted on the front surface of the rotating platform, and a breaking cone is installed at one end of the hydraulic arm. A dust collection device is fixedly connected to the front surface of the rotating platform, and a pipe is fixedly connected to the input end of the dust collection device. A protective baffle is provided at the end of the hydraulic arm near the breaking cone. This utility model, through the protective baffle on the hydraulic arm, combined with the front baffle and an adjustable-height transparent baffle, can block stones during the breaking process, preventing stone splashes from injuring the operator and improving the safety of the device during use. Furthermore, the protective baffle can initially limit dust during the breaking process, preventing dust from instantly spreading in the tunnel. Combined with the dust collection device, this effectively reduces the dust content in the tunnel, preventing excessive dust from affecting visibility and the operator's health.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of tunnel construction technology, specifically relating to a road surface breaking device for light testing tunnel construction. Background Technology

[0002] Currently, in the process of designing passenger vehicle headlights, night vision lighting road illumination evaluation is an important link between the headlight design state and the mass production state. Usually, a road surface is laid in a tunnel to simulate the nighttime environment for testing the lights. However, due to long-term influence from human and natural factors, the road surface will have problems such as unevenness and too many road obstacles.

[0003] After a long period of lighting testing, the road surface needs to be broken up and rebuilt. During the operation of the existing crusher, crushed stones will be splashed up, which can cause injuries to personnel. In addition, due to the small space inside the tunnel, the crushing process generates a lot of dust, which can affect the visibility inside the tunnel. At the same time, the dust can also affect the health of the operators. Utility Model Content

[0004] To solve the above-mentioned technical problems, the present invention adopts a technical solution as follows: a road surface breaking device for tunnel construction for lighting testing is provided, including a frame and a rotating table. A hydraulic arm is provided on the front surface of the rotating table, and a breaking cone is installed at one end of the hydraulic arm. A dust collection device is fixedly connected to the front surface of the rotating table, and a pipe is fixedly connected to the input end of the dust collection device. A protective baffle is provided at the end of the hydraulic arm near the breaking cone.

[0005] A front baffle is fixedly connected to the upper surface of the rotary table. A groove is provided on the upper surface of the front baffle. A transparent baffle is movably connected inside the groove. A threaded bracket is fixedly connected to the upper surface of the rotary table. An upper nut is threadedly connected to the side surface of the threaded bracket. A lower nut is threadedly connected to the side surface of the threaded bracket. A collar is movably connected to the side surface of the threaded bracket. An L-shaped mounting bracket is fixedly connected to the side surface of the collar. A mounting plate is movably connected to the upper surface of the L-shaped mounting bracket.

[0006] Through the above technical solution, the frame provides overall support for the equipment, the rotary table can drive the components on it to rotate, making it easy to adjust the crushing position, the hydraulic arm and the crushing cone work together to achieve the road surface crushing function, the dust collection device is connected to the protective baffle through the pipe, and can suck up the dust in time during crushing, effectively reducing the dust in the tunnel to avoid affecting the vision and the health of the operator. The protective baffle can not only block some dust, but also prevent stones from splashing out and injuring people. The transparent baffle and the front baffle can further protect people, and its installation structure is easy to adjust, disassemble and maintain. The height of the transparent baffle is adjustable to suit users of different heights.

[0007] The present invention is further configured such that a moving device is provided on the side surface of the frame, a pusher is provided on the front surface of the frame, and a motor is fixedly connected inside the frame.

[0008] Through the above technical solutions, the mobile device enables the equipment to be flexibly moved to the designated crushing position in the tunnel, the pusher can clear debris from the road surface before crushing to prepare for the crushing work, and the motor provides the rotation power source for the rotary table.

[0009] The present invention is further configured such that a rotating shaft is fixedly connected to the output end of the motor, one end of the rotating shaft is fixedly connected to a rotary table, and an annular support platform is fixedly connected to the upper surface of the frame.

[0010] Through the above technical solution, the motor transmits power to the rotary table through the rotating shaft, realizing the rotation of the rotary table. The ring support provides support for the rotary table and ensures the stability of the rotary table when it rotates.

[0011] The present invention is further configured such that a ball bearing is rotatably connected inside the annular support platform, and the side surface of the ball bearing is in contact with the rotating platform.

[0012] With the above technical solution, the ball bearing is located inside the annular support platform and in contact with the rotating platform. When the rotating platform rotates, it can convert sliding friction into rolling friction, reduce rotational resistance, and make the rotating platform rotate more smoothly.

[0013] The present invention is further configured such that one end of the pipe is connected to a protective baffle, a limit ring is fixedly connected to the side surface of the hydraulic arm, and the pipe is located inside the limit ring.

[0014] Through the above technical solution, the limiting ring is used to restrict the position of the pipeline, prevent the pipeline from shaking or shifting during equipment operation, and ensure the stable operation of the dust collection system.

[0015] The present invention is further configured such that the side surface of the mounting plate is fixedly connected to the transparent baffle, the upper surface of the mounting plate is threaded with a bolt, the side surface of the bolt is threaded with an L-shaped mounting bracket, and the side surface of the bolt is threaded with a first nut.

[0016] With the above technical solution, the mounting plate is fixedly connected to the transparent baffle and connected to the L-shaped mounting bracket by bolts and the first nut. This connection method facilitates the installation, disassembly, and position adjustment of the transparent baffle, and facilitates later maintenance.

[0017] The present invention is further configured such that a shock-absorbing pad is fixedly connected to the upper surface of the lower nut, the upper surface of the shock-absorbing pad is in contact with the collar, and the upper surface of the collar is in contact with the upper nut.

[0018] Through the above technical solution, the shock-absorbing pad can buffer the vibration of the collar and extend its service life. The upper nut and lower nut cooperate to fix the collar in a suitable position on the threaded bracket, thereby fixing the L-shaped mounting bracket and the transparent baffle.

[0019] The present invention is further configured such that the front surface of the transparent baffle is provided with a T-shaped groove, a T-shaped slider is movably connected inside the T-shaped groove, and the side surface of the T-shaped slider is fixedly connected to the threaded frame.

[0020] The beneficial effects of this utility model are as follows:

[0021] The protective baffle installed on the hydraulic arm, together with the front baffle and the height-adjustable transparent baffle, can block stones during the crushing process, preventing stones from flying and causing injury to the operator, thus improving the safety of the device during use. In addition, the protective baffle can initially limit the dust during the crushing process, preventing dust from spreading instantly in the tunnel. Combined with the dust collection device, it can effectively reduce the dust content in the tunnel, preventing large amounts of dust from affecting visibility and the operator's health. Attached Figure Description

[0022] Figure 1 This is a first-view structural diagram of a road surface breaking device for lighting testing tunnel construction according to this utility model;

[0023] Figure 2 This is a partially exploded view of a road surface breaking device for lighting testing tunnel construction according to this utility model;

[0024] Figure 3 This is a partial structural schematic diagram of a road surface breaking device for lighting testing tunnel construction according to this utility model;

[0025] Figure 4 This is another structural schematic diagram of a road surface breaking device for lighting testing tunnel construction according to this utility model;

[0026] Figure 5 yes Figure 4 Enlarged view of point A in the middle.

[0027] Reference numerals: 1. Frame; 2. Rotary table; 3. Motor; 4. Shaft; 5. Annular support platform; 6. Ball bearing; 7. Moving device; 8. Push frame; 9. Hydraulic arm; 10. Crushing cone; 11. Dust extraction device; 12. Protective baffle; 13. Pipe; 14. Limiting ring; 15. Front baffle; 16. Groove; 17. Threaded bracket; 18. T-slider; 19. Transparent baffle; 20. T-slide groove; 21. Mounting plate; 22. L-shaped mounting bracket; 23. Collar; 24. Lower nut; 25. Shock-absorbing pad; 26. Upper nut. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] like Figures 1-5 As shown in the figure, a road surface breaking device for tunnel construction for lighting testing in this embodiment includes a frame 1 and a rotating table 2. A moving device 7 is provided on the side surface of the frame 1, and a pusher 8 is provided on the front surface of the frame 1. A motor 3 is fixedly connected inside the frame 1, and a rotating shaft 4 is fixedly connected to the output end of the motor 3. One end of the rotating shaft 4 is fixedly connected to the rotating table 2. An annular support platform 5 is fixedly connected to the upper surface of the frame 1. A ball bearing 6 is rotatably connected inside the annular support platform 5, and the side surface of the ball bearing 6 is in contact with the rotating table 2.

[0030] Motor 3 transmits power to rotary table 2 through rotating shaft 4, enabling the rotary table 2 to rotate and thus allowing the device to adjust the crushing angle. Annular support platform 5 provides support for rotary table 2, ensuring its stability during rotation. Ball bearings 6 are located inside the annular support platform 5 and contact rotary table 2. When rotary table 2 rotates, they can convert sliding friction into rolling friction, reducing rotational resistance and making the rotation of rotary table 2 smoother. Push frame 8 can clear debris from the road surface before crushing, preparing for the crushing operation.

[0031] A hydraulic arm 9 is provided on the front surface of the rotary table 2. A crushing cone 10 is installed at one end of the hydraulic arm 9. The hydraulic arm 9 and the crushing cone 10 work together to achieve the road surface crushing function. A dust collection device 11 is fixedly connected to the front surface of the rotary table 2. The dust collection device 11 can suck away the dust accumulated by the protective baffle 12 during the crushing process through the pipe 13, reduce the dust in the tunnel, and avoid affecting the vision and the health of the operator. The protective baffle 12 collects dust and blocks the stones that are splashed.

[0032] The input end of the dust collection device 11 is fixedly connected to a pipe 13. One end of the pipe 13 is connected to a protective baffle 12. A limit ring 14 is fixedly connected to the side surface of the hydraulic arm 9. The limit ring 14 is used to limit the pipe 13 to prevent it from shaking or shifting during equipment operation. The pipe 13 is located inside the limit ring 14. A protective baffle 12 is provided at the end of the hydraulic arm 9 near the crushing cone 10.

[0033] A front baffle 15 is fixedly connected to the upper surface of the rotating platform 2. A groove 16 is provided on the upper surface of the front baffle 15. A transparent baffle 19 is movably connected inside the groove 16. The protective baffle 12, the front baffle 15 and the transparent baffle 19 cooperate with each other to increase the protective effect against flying stones.

[0034] A threaded bracket 17 is fixedly connected to the upper surface of the rotary table 2. An upper nut 26 is threadedly connected to the side surface of the threaded bracket 17. A lower nut 24 is threadedly connected to the side surface of the threaded bracket 17. A collar 23 is movably connected to the side surface of the threaded bracket 17. An L-shaped mounting bracket 22 is fixedly connected to the side surface of the collar 23. A mounting plate 21 is movably connected to the upper surface of the L-shaped mounting bracket 22. The side surface of the mounting plate 21 is fixedly connected to the transparent baffle 19. A bolt is threadedly connected through the upper surface of the mounting plate 21. The side surface of the bolt passes through the L-shaped mounting bracket 22. A first nut is threadedly connected to the side surface of the bolt.

[0035] The position of the collar 23 on the threaded bracket 17 is adjusted by the upper nut 26 and the lower nut 24, thereby adjusting the height of the transparent baffle 19 so as to effectively shield users of different heights. The L-shaped mounting bracket 22 and the mounting plate 21 can be fixedly connected together by bolts and the first nut, so that the transparent baffle 19 can be removed and replaced.

[0036] A shock-absorbing pad 25 is fixedly connected to the upper surface of the lower nut 24. The shock-absorbing pad 25 can buffer the vibration of the collar 23 and extend its service life. The upper surface of the shock-absorbing pad 25 contacts the collar 23, and the upper surface of the collar 23 contacts the upper nut 26. A T-shaped slide groove 20 is provided on the front surface of the transparent baffle 19. A T-shaped slider 18 is movably connected inside the T-shaped slide groove 20. The side surface of the T-shaped slider 18 is fixedly connected to the threaded frame 17. The T-shaped slide groove 20 and the T-shaped slider 18 cooperate to provide guidance for the movement of the transparent baffle 19, so that it can slide smoothly within a certain range.

[0037] The working principle of this utility model is as follows: When using this device to break up the road surface, after driving the device to the work site, by rotating the upper nut 26 and the lower nut 24, the position of the collar 23 on the threaded frame 17 is adjusted, thereby adjusting the height of the transparent baffle 19 so that its highest point is higher than the operator's head. The displacement and descent of the breaking cone 10 are controlled by the hydraulic arm 9, so that the breaking cone 10 breaks up the road surface. The stones splashed up during breaking are blocked by the protective baffle 12, the front baffle 15 and the transparent baffle 19, respectively, to protect the operator's body. The dust generated can be absorbed by the dust suction device 11 through the pipe 13, reducing the dust in the tunnel and avoiding the large amount of dust affecting the operator's vision and health.

[0038] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A road breaking apparatus for light testing tunnel construction, characterized by: The machine includes a frame (1) and a rotating table (2). A hydraulic arm (9) is provided on the front surface of the rotating table (2). A crushing cone (10) is installed at one end of the hydraulic arm (9). A dust collection device (11) is fixedly connected to the front surface of the rotating table (2). A pipe (13) is fixedly connected to the input end of the dust collection device (11). A protective baffle (12) is provided at the end of the hydraulic arm (9) near the crushing cone (10). A front baffle (15) is fixedly connected to the upper surface of the rotary table (2). A groove (16) is provided on the upper surface of the front baffle (15). A transparent baffle (19) is movably connected inside the groove (16). A threaded bracket (17) is fixedly connected to the upper surface of the rotary table (2). An upper nut (26) is threadedly connected to the side surface of the threaded bracket (17). A lower nut (24) is threadedly connected to the side surface of the threaded bracket (17). A collar (23) is movably connected to the side surface of the threaded bracket (17). An L-shaped mounting bracket (22) is fixedly connected to the side surface of the collar (23). A mounting plate (21) is movably connected to the upper surface of the L-shaped mounting bracket (22).

2. The road breaking apparatus for light testing tunnel construction according to claim 1, wherein The side surface of the frame (1) is provided with a moving device (7), the front surface of the frame (1) is provided with a pusher (8), and the inside of the frame (1) is fixedly connected with a motor (3).

3. The road breaking apparatus for light testing tunnel construction according to claim 2, wherein The output end of the motor (3) is fixedly connected to a rotating shaft (4), one end of the rotating shaft (4) is fixedly connected to a rotating table (2), and an annular support platform (5) is fixedly connected to the upper surface of the frame (1).

4. The road breaking apparatus for light testing tunnel construction according to claim 3, wherein The annular support platform (5) is rotatably connected to a ball bearing (6), and the side surface of the ball bearing (6) is in contact with the rotating platform (2).

5. The road breaking apparatus for light testing tunnel construction according to claim 1, wherein One end of the pipe (13) is connected to the protective baffle (12), and a limit ring (14) is fixedly connected to the side surface of the hydraulic arm (9), with the pipe (13) located inside the limit ring (14).

6. The road breaking apparatus for light testing tunnel construction according to claim 1, wherein The side surface of the mounting plate (21) is fixedly connected to the transparent baffle (19), and the upper surface of the mounting plate (21) is threaded with a bolt. The side surface of the bolt is threaded through the L-shaped mounting bracket (22), and the side surface of the bolt is threaded with a first nut.

7. The road breaking apparatus for light testing tunnel construction according to claim 1, wherein The upper surface of the lower nut (24) is fixedly connected to a shock-absorbing pad (25), the upper surface of the shock-absorbing pad (25) is in contact with the collar (23), and the upper surface of the collar (23) is in contact with the upper nut (26).

8. The road breaking apparatus for light testing tunnel construction according to claim 1, wherein The front surface of the transparent baffle (19) is provided with a T-shaped groove (20), and a T-shaped slider (18) is movably connected inside the T-shaped groove (20). The side surface of the T-shaped slider (18) is fixedly connected to the threaded frame (17).