Tunnel wall cleaning device for tunnel cleaning vehicle

By designing an automatic obstacle avoidance device for tunnel cleaning vehicles, the elastic force provided by multiple elastic parts makes the mounting frame automatically rotate and avoid obstacles, solving the problem of complex operation and low efficiency when encountering obstacles in existing tunnel cleaning vehicles, and realizing automatic obstacle avoidance and efficient cleaning.

CN222862147UActive Publication Date: 2025-05-13CLW AUTOMOBILE GRP CO LTD
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Patent Information

Application Number
CN202421503544.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-05-13
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

When existing tunnel cleaning vehicles encounter obstacles such as protruding walls and lighting devices, they need to shut down the machine, resulting in low personnel adjustment efficiency and complex operation, and drivers are prone to fatigue.

Method used

A tunnel wall cleaning device for tunnel cleaning vehicles is designed, including a rotary support, a robotic arm, a rotary bracket, a mounting frame, a cleaning brush, a cleaning drive device and a plurality of elastic parts. Through the elastic force of the elastic parts, the mounting frame automatically rotates to avoid obstacles, realizing the automatic obstacle avoidance function.

Benefits of technology

The device can automatically avoid obstacles without getting off the vehicle without the need for personnel to get off the vehicle and the driver to make constant adjustments, improving the cleaning efficiency and enhancing the safety of tunnel cleaning vehicles.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222862147U_ABST
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Abstract

The utility model discloses a tunnel wall cleaning device for a tunnel cleaning vehicle, which comprises a slewing bearing arranged on a cleaning vehicle body and a mechanical arm arranged at the upper end of the slewing bearing, and is characterized in that a rotating bracket is arranged at the front end of the mechanical arm, and a mounting frame connected through a hinge piece is arranged at the other end of the rotating bracket; a cleaning brush and a cleaning driving device are arranged at the front end of the mounting frame, and the mounting frame and the side edge, located on the hinge piece, of the rotating support are connected through a plurality of elastic pieces. The obstacle avoidance device has the advantages that the obstacle avoidance effect is effectively achieved, meanwhile, people do not need to get off the vehicle, a driver does not need to continuously adjust the vehicle, the subsequent cleaning effect can be effectively guaranteed, and efficiency is improved. And the cleaning device has an automatic obstacle avoidance function, so that the use safety of the guardrail cleaning vehicle is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of tunnel cleaning equipment, in particular to a tunnel wall cleaning device for a tunnel cleaning vehicle. Background Art

[0002] With the continuous development of traffic routes, there are more and more tunnels, whether in cities or on highways. Since the internal space of tunnels is relatively closed, vehicles passing through tunnels are prone to generate dust and exhaust gas, which are easily deposited on the walls inside the tunnels. Manual cleaning is time-consuming and laborious, and working in tunnels is extremely unsafe. Therefore, tunnel cleaning vehicles are becoming more and more common.

[0003] In many tunnel cleaning processes, when encountering protruding walls, lighting devices, billboards and other ancillary equipment, it is necessary to stop the machine to avoid obstacles, and the adjustment is made by stopping the machine and operating the mechanical arm, which makes the personnel adjustment inefficient and complicated. Or the driver needs to adjust the driving direction of the cleaning vehicle. This method requires the driver to pay attention to the cleaning screen at all times while driving the vehicle. The driver must maintain a high degree of concentration to make adjustments, which will cause the driver to easily become fatigued. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a tunnel wall cleaning device for a tunnel cleaning vehicle to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A tunnel wall cleaning device for a tunnel cleaning vehicle comprises a slewing bearing arranged on a cleaning vehicle body, a mechanical arm is arranged at the upper end of the slewing bearing, and is characterized in that a rotating bracket is arranged at the front end of the mechanical arm, a mounting frame connected by a hinge is arranged at the other end of the rotating bracket, a cleaning brush and a cleaning drive device are arranged at the front end of the mounting frame, and the mounting frame and the rotating bracket are connected between the sides of the hinge through a plurality of elastic members.

[0007] Furthermore, a swing cylinder is provided inside the rotating bracket, and the rotating bracket is connected to the front end of the mechanical arm through the rotating shaft of the swing cylinder.

[0008] Furthermore, the mounting frame and the rotating bracket are provided with a plurality of mounting point holes on the side of the hinge, and the two free ends of the plurality of elastic members are respectively hung on the mounting point holes.

[0009] Furthermore, the cleaning drive device includes a rotating shaft located at the front end of the mounting frame, and a motor for driving the rotating shaft is provided at the end of the mounting frame. The cleaning brush is located on the rotating shaft in the mounting frame, and the cleaning brush is a hard brush.

[0010] Furthermore, obstacle avoidance frames are arranged on both sides of the mounting frame, and the obstacle avoidance frames are arranged in a semicircle.

[0011] Furthermore, the mechanical arm includes an adjusting arm, a connecting arm and a supporting arm, the supporting arm is located at the upper end of the slewing bearing, the connecting arm is located in the middle of the adjusting arm and the supporting arm, the connecting arm is hinged to the bottom of the supporting arm through hydraulic cylinder 1, and the middle of the adjusting arm is hinged to the connecting arm through hydraulic cylinder 2.

[0012] Furthermore, the slewing bearing is arranged at the rear of the cleaning vehicle body or the middle of the vehicle body or the front of the vehicle body.

[0013] Furthermore, it also includes an electric hoist, which is located at the upper end of the rotating bracket, and the ends of the wire rope on the electric hoist are connected to the inner hanging rings at both ends of the obstacle avoidance frame.

[0014] The utility model provides a tunnel wall cleaning device for a tunnel cleaning vehicle, and the beneficial effects are as follows: the utility model automatically rotates relative to the mounting frame under the elastic force provided by multiple elastic parts, effectively achieving the obstacle avoidance effect, while also eliminating the need for personnel to get off the vehicle and the driver to make constant adjustments, and can effectively ensure the subsequent cleaning effect, thereby improving efficiency. Therefore, the above-mentioned cleaning device has the function of automatic obstacle avoidance, which is conducive to improving the safety of the guardrail cleaning vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a tunnel wall cleaning device for a tunnel cleaning vehicle according to an embodiment of the utility model;

[0017] Figure 2 It is a side view of a tunnel wall cleaning device for a tunnel cleaning vehicle according to an embodiment of the utility model;

[0018] Figure 3 It is a top view of a tunnel wall cleaning device for a tunnel cleaning vehicle according to an embodiment of the utility model;

[0019] Figure 4 It is a rear view of a tunnel wall cleaning device for a tunnel cleaning vehicle according to an embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram according to another embodiment of the utility model.

[0021] In the figure:

[0022] 1. Slewing bearing; 2. Mechanical arm; 3. Rotating bracket; 4. Swinging cylinder; 5. Articulated part; 6. Mounting frame; 7. Cleaning brush; 8. Cleaning drive device; 9. Elastic part; 10. Rotating shaft; 11. Motor; 12. Obstacle avoidance frame; 13. Adjusting arm; 14. Connecting arm; 15. Support arm; 16. Electric hoist; 17. Wire rope. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a tunnel wall cleaning device for a tunnel cleaning vehicle is provided.

[0025] Embodiment 1:

[0026] like Figure 1-5 As shown, a tunnel wall cleaning device for a tunnel cleaning vehicle according to an embodiment of the utility model comprises a slewing bearing 1 arranged on a cleaning vehicle body, a mechanical arm 2 is arranged at the upper end of the slewing bearing 1, and is characterized in that a rotating bracket 3 is arranged at the front end of the mechanical arm 2, a mounting frame 6 connected by a hinge 5 is arranged at the other end of the rotating bracket 3, a cleaning brush 7 and a cleaning drive device 8 are arranged at the front end of the mounting frame 6, and the mounting frame 6 and the rotating bracket 3 are located between the sides of the hinge 5 and are connected by a plurality of elastic members 9, and the elastic member 9 can be a rubber band, a spring, etc.

[0027] Embodiment 2:

[0028] like Figure 1-5As shown, a swing cylinder 4 is arranged inside the rotating bracket 3, and the rotating bracket 3 is connected to the front end of the mechanical arm 2 through the rotating shaft of the swing cylinder 4. The mounting bracket 6 and the rotating bracket 3 are provided with a plurality of mounting point holes on the side of the hinge 5, and the two free ends of the plurality of elastic members 9 are respectively hung on the mounting point holes. The cleaning drive device 8 includes a rotating shaft 10 located on the mounting bracket 6, and a motor 11 for driving the rotating shaft 10 is arranged at the end of the mounting bracket 6. The cleaning brush 7 is located on the rotating shaft 10 in the mounting bracket 6, and the cleaning brush 7 is a hard brush.

[0029] Obstacle avoidance frames 12 are arranged on both sides of the mounting frame 6, and the obstacle avoidance frames 12 are arranged in a semicircle. The mechanical arm 2 includes an adjusting arm 13, a connecting arm 14 and a supporting arm 15, wherein the supporting arm 15 is located at the upper end of the slewing bearing 1, and the connecting arm 14 is located in the middle of the adjusting arm 13 and the supporting arm 15, and the connecting arm 14 is hinged to the bottom of the supporting arm 15 through a hydraulic cylinder 1, and the middle of the adjusting arm 13 is hinged to the connecting arm 14 through a hydraulic cylinder 2.

[0030] The slewing bearing 1 is arranged at the rear part of the cleaning vehicle body or the middle part of the vehicle body or the front part of the vehicle body.

[0031] Embodiment three:

[0032] like Figure 5 As shown, an electric hoist 16 is also included, and the electric hoist 16 is located at the upper end of the rotating bracket 3. The ends of the steel wire rope 17 on the electric hoist 16 are connected to the inner hanging rings at both ends of the obstacle avoidance frame 12. On the basis of the above structure, an electric hoist 16 can also be provided, and the steel wire rope 17 of the electric hoist 16 is connected to the inner hanging rings at both ends of the obstacle avoidance frame 12. When electric obstacle avoidance is required, the electric hoist 16 can be driven to drive the steel wire rope 17 to pull the obstacle avoidance frame 12 to move to one side, so as to realize the electric adjustment of the cleaning device to avoid obstacles.

[0033] In actual application, when the tunnel cleaning vehicle encounters a raised wall or a tunnel wall with lighting equipment during cleaning, the obstacle avoidance frames 12 on both sides of the mounting frame 6 will contact it and automatically rotate relative to the mounting frame 6 under the elastic force provided by the multiple elastic members 9, effectively achieving the obstacle avoidance effect. At the same time, there is no need for personnel to get off the vehicle or for the driver to make constant adjustments, and the subsequent cleaning effect can be effectively guaranteed, thereby improving efficiency. Therefore, the above-mentioned cleaning device has the function of automatic obstacle avoidance, which is conducive to improving the safety of the guardrail cleaning vehicle:

[0034] The electric hoist 16 can also be driven to drive the steel wire rope 17 to pull the obstacle avoidance frame 12 to move to one side, so that the electric adjustment cleaning device can be changed to avoid obstacles.

[0035] The tunnel wall cleaning device mechanizes highway tunnel cleaning and has the advantages of simple structure, convenient operation, good operating performance, low use cost and high efficiency. The mechanical arm 2 is a set of integral parts consisting of a multi-section arm (adjusting arm 13, connecting arm 14 and supporting arm 15) and a hydraulic swing cylinder 4. It has the characteristics of flexible and precise movement and arbitrary adjustable angle. It has all-round working ability. Therefore, it can also be expanded to the cleaning of highway sound barriers, road signs, road signs, etc., so that it also has the characteristics of diversified functions. The tunnel wall cleaning device improves the working intensity of sanitation workers, improves the working efficiency of sanitation workers, and ensures the working safety of sanitation workers.

[0036] In summary, with the help of the above technical solution of the utility model, the electric hoist 16 is driven to drive the wire rope 17 to pull the obstacle avoidance frame 12 to move to one side, so as to realize the electric adjustment of the cleaning device to avoid obstacles. By automatically rotating relative to the mounting frame 6 under the elastic force provided by multiple elastic members 9, the obstacle avoidance effect is effectively achieved. At the same time, there is no need for personnel to get off the vehicle and the driver to make constant adjustments, and the subsequent cleaning effect can be effectively guaranteed, thereby improving efficiency. Therefore, the above cleaning device has the function of automatic obstacle avoidance, which is conducive to improving the safety of the guardrail cleaning vehicle.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tunnel wall cleaning device for a tunnel cleaning vehicle, comprising a slewing bearing (1) arranged on a cleaning vehicle body, a mechanical arm (2) being arranged at the upper end of the slewing bearing (1), characterized in that: A rotating bracket (3) is arranged at the front end of the mechanical arm (2); a mounting bracket (6) connected via a hinge (5) is arranged at the other end of the rotating bracket (3); a cleaning brush (7) and a cleaning drive device (8) are arranged at the front end of the mounting bracket (6); the mounting bracket (6) and the rotating bracket (3) are located between the sides of the hinge (5) and are connected via a plurality of elastic members (9).

2. A tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 1, characterized in that: A swing cylinder (4) is arranged inside the rotating bracket (3), and the rotating bracket (3) is connected to the front end of the mechanical arm (2) via the rotating shaft of the swing cylinder (4).

3. The tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 1, characterized in that: The mounting frame (6) and the rotating bracket (3) are provided with a plurality of mounting point holes on the side of the hinge (5), and the two free ends of the plurality of elastic members (9) are respectively hung on the mounting point holes.

4. The tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 1, characterized in that: The cleaning drive device (8) comprises a rotating shaft (10) located on the mounting frame (6); a motor (11) for driving the rotating shaft (10) is provided at the end of the mounting frame (6); the cleaning brush (7) is located on the rotating shaft (10) in the mounting frame (6); and the cleaning brush (7) is a hard brush.

5. The tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 1, characterized in that: Obstacle avoidance frames (12) are arranged on both side edges of the mounting frame (6), and the obstacle avoidance frames (12) are arranged in a semicircular shape.

6. The tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 1, characterized in that: The mechanical arm (2) comprises an adjusting arm (13), a connecting arm (14) and a supporting arm (15); the supporting arm (15) is located at the upper end of the slewing bearing (1); the connecting arm (14) is located in the middle of the adjusting arm (13) and the supporting arm (15); the connecting arm (14) is hinged to the bottom of the supporting arm (15) via a first hydraulic cylinder; and the middle of the adjusting arm (13) is hinged to the connecting arm (14) via a second hydraulic cylinder.

7. The tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 1, characterized in that: The slewing bearing (1) is arranged at the rear of the cleaning vehicle body or in the middle of the vehicle body or at the front of the vehicle body.

8. The tunnel wall cleaning device for a tunnel cleaning vehicle according to claim 5, characterized in that: It also includes an electric hoist (16), the electric hoist (16) is located at the upper end of the rotating bracket (3), and the ends of the steel wire rope (17) on the electric hoist (16) are connected to the inner hanging rings at both ends of the obstacle avoidance frame (12).