CN-224199828-U - Automatic cleaning device for expressway tunnel

CN224199828UCN 224199828 UCN224199828 UCN 224199828UCN-224199828-U

Abstract

The utility model discloses an automatic cleaning device for a highway tunnel, which comprises a robot walking track, a bearing mechanism, a robot body and a cleaning device, wherein a robot quick-change device is connected between the cleaning device and an execution end of the robot body, the robot quick-change device comprises a robot quick-change device main disc fixed with the robot body and a robot quick-change device tool disc fixed with the cleaning device, the cleaning device comprises a rotating brush and a mounting flange, the rotating brush is provided with a driving device, the mounting flange comprises two flange seats which are L-shaped mutually, one flange seat is connected with the tool disc of the robot quick-change device, the driving device is arranged on the other flange seat, an output shaft of the driving device is connected with a rotating shaft of the rotating brush, and a driving device control wire is connected between an electric signal connecting unit of the tool disc and the driving device to supply power for the driving device, so that power is provided for the rotating brush. The utility model can clean the expressway tunnel timely, quickly and automatically.

Inventors

CUI HONGJUN
MA XINWEI
ZHU MINQING
HUANG YAN
ZHANG QIJIAN
Ren Zhixiao
WANG CHUNYANG

Assignees

河北工业大学

Dates

Publication Date: 20260505
Application Date: 20250414

Claims (6)

1. An automatic cleaning device for a highway tunnel comprises a robot walking track (1), a bearing mechanism (2), a robot body (3) and a cleaning device (7), wherein a robot quick-change device is connected between the cleaning device (7) and an execution end of the robot body (3), the robot quick-change device comprises a robot quick-change device main disc (4) fixed with the robot body (3) and a robot quick-change device tool disc (6) fixed with the cleaning device (7), the robot quick-change device main disc (4) comprises a main disc electric signal connection unit (45), the robot quick-change device tool disc (6) comprises a tool disc electric signal connection unit (63), The tool disc electric signal connection unit (63) and the main disc electric signal connection unit (45) are connected after the robot quick-change device main disc (4) and the robot quick-change device tool disc (6) are connected; The cleaning device (7) comprises a rotary brush (73) and a mounting flange (71), the rotary brush (73) is provided with a driving device (72), the mounting flange (71) comprises two flange seats which are L-shaped mutually, one flange seat is connected with the tool disc (6) of the robot quick-change device, the driving device (72) is arranged on the other flange seat, and an output shaft of the driving device (72) is connected with a rotating shaft of the rotary brush (73); A driving device control line (74) is connected between the tool disc electric signal connection unit (63) and the driving device (72) to supply power to the driving device (72) so as to supply power to the rotary brush (73).
2. The automatic cleaning device according to claim 1, wherein the bearing mechanism (2) comprises a mounting base plate (21), four groups of bearing seats (22) are arranged on the mounting base plate (21), the four groups of bearing seats (22) are coaxially arranged according to every two groups, bearing shafts (23) are arranged on the bearing seats (22), bearing rollers (24) are arranged on each bearing shaft (23), the bearing rollers (24) are matched with the robot walking track (1), the fixed end of the robot body (3) is connected with the lower surface of the mounting base plate (21), and the main disc (4) of the robot quick-change device is installed at the executing end of the robot body (3).
3. The automatic cleaning device according to claim 1, characterized in that the robot quick-change device main disc (4) and the robot quick-change device tool disc (6) are connected or disconnected through a piston type steel ball locking structure.
4. The automatic cleaning device according to claim 3, wherein the piston type steel ball locking structure is as follows: the robot quick-change device main disc (4) is provided with an axial cylinder (53), a piston rod sleeve (49) is fixed at the bottom of the axial cylinder (53), a main disc piston (47) is arranged in the axial cylinder (53), a piston rod of the main disc piston (47) penetrates through the piston rod sleeve (49), a plurality of main disc locking steel balls (48) uniformly distributed in the circumferential direction are arranged on the lower cylinder wall of the piston rod sleeve (49) through mounting holes, a steel ball push rod (51) is fixedly connected at the bottom of the piston rod (50), and an outer conical surface (52) is arranged at the outer edge of the bottom end of the steel ball push rod (51); The main disc piston (47) divides the axial cylinder (53) into an upper air chamber (55) and a lower air chamber (54), and the axial cylinder (53) is provided with a first air passage (43) leading to the upper air chamber (55) and a second air passage (44) leading to the lower air chamber (54); The tool disc (6) of the robot quick-change device is provided with a tool disc assembly hole (67), a tool disc locking ring (65) is fixed in the tool disc assembly hole (67), and an inner conical surface (68) is arranged at the inner opening of the lower end of the tool disc locking ring (65); The inner diameter of the tool disc locking ring (65) is matched with the outer diameter of the piston rod sleeve (49).
5. The automatic cleaning device according to claim 4, wherein when the master piston (47) is located at the highest position, the master locking steel balls (48) are in contact with the outer conical surface (52) of the steel ball push rod (51), at this time, the robot quick-change device master (4) can be separated from the robot quick-change device tool tray (6), and when the master piston (47) is located at the lowest position, the master locking steel balls (48) are in contact with the inner conical surface (68) of the tool tray locking ring (65) and are located at the outer side of the steel ball push rod (51), at this time, the robot quick-change device master (4) is connected with the robot quick-change device tool tray (6).
6. The automatic cleaning device according to claim 4 or 5, wherein when the robot body (3) and a main disc (4) of the robot quick-change device fixed on the main disc (4) reach a mounting position of a tool disc (6) of the robot quick-change device along a robot walking track (1) under the drive of the bearing mechanism (2), the main disc (4) of the robot quick-change device pushes a piston (47) of the main disc to move downwards through the gas introduced into the upper air chamber (55) of the first air channel (43), a steel ball push rod (51) fixedly connected with the bottom of the piston rod (50) pushes out a locking steel ball (48) of the main disc, and then the locking ring (65) of the tool disc is locked, so that the main disc (4) of the robot quick-change device and the tool disc (6) of the robot are connected together, and the mounting of the robot body (3) and the cleaning device (7) is realized; When the robot body (3) and the cleaning device (7) are unloaded, the main disc (4) of the robot quick-change device is introduced into the lower air chamber (54) through the second air passage (44) to push the main disc piston (47) to act upwards, the main disc locking steel balls (48) are reset and retracted to the inside of the tool disc locking ring (65), and the tool disc locking ring (65) is unlocked to separate the robot body (3) from the cleaning device (7).

Description

Automatic cleaning device for expressway tunnel Technical Field The utility model belongs to a cleaning device for road traffic facilities, and particularly relates to an automatic cleaning device for expressway tunnels. Background In the maintenance system of road traffic facilities, tunnels are used as key components, and the cleaning condition of the tunnels directly influences driving safety and traffic experience. Along with the continuous expansion of expressway networks and the increasing of traffic flow, the requirements on the high efficiency and the intellectualization of expressway tunnel cleaning equipment are also urgent. At present, the conventional treatment method for cleaning the expressway tunnel is to manually clean the expressway tunnel periodically, and cleaning staff need to wear protective clothing to carry simple tools such as brooms and cleaning agents to enter the tunnel during manual cleaning. However, this method has many drawbacks, and cleaning cost is high for a long time. Thus, there is a great lack of rapid and timely in-situ cleaning treatment solutions in the prior art. In addition, manual cleaning is time consuming and labor intensive. The tunnel inner space is relatively closed, the environment is complex, the problems of poor ventilation, dim light and the like exist, cleaning staff can work for a long time under the environment, the body is extremely tired, and the working efficiency can be greatly reduced. Moreover, the frequency of manual cleaning is difficult to achieve very high, so that dirt, dust, greasy dirt and the like on the tunnel wall and the road surface cannot be cleaned in time, the attractiveness of the tunnel is affected due to accumulation of time, the lighting effect is possibly reduced, and the risk of traffic accidents is increased. Therefore, it is urgent to develop an efficient, intelligent, and quick-response automatic cleaning device for expressway tunnels. Disclosure of utility model Aiming at the prior art, the utility model provides the automatic cleaning device which can be implemented on site in the expressway tunnel, and can timely, quickly and automatically clean related facilities (including lighting equipment, ventilation equipment, signboards and the like) in the expressway tunnel. In order to solve the technical problems, the automatic cleaning device for the expressway tunnel comprises a robot walking track, a bearing mechanism, a robot body and a cleaning device, wherein a robot quick-change device is connected between the cleaning device and an execution end of the robot body, the robot quick-change device comprises a robot quick-change device main disc fixed with the robot body and a robot quick-change device tool disc fixed with the cleaning device, the robot quick-change device main disc comprises a main disc electric signal connection unit, the robot quick-change device tool disc comprises a tool disc electric signal connection unit, the tool disc electric signal connection unit is connected with the main disc electric signal connection unit after the robot quick-change device main disc is connected with the robot quick-change device tool disc, the cleaning device comprises a rotary brush and a mounting flange, the rotary brush is provided with a driving device, the mounting flange comprises two flange seats which are L-shaped mutually, one flange seat is connected with the robot quick-change device tool disc, the other driving device is mounted on the driving device main disc and comprises a tool disc electric signal connection unit, and the driving device is connected with a power supply unit. Further, the automatic cleaning device of the present utility model, wherein: The bearing mechanism comprises an installation bottom plate, four groups of bearing seats are arranged on the installation bottom plate and are coaxially arranged in every two groups, bearing shafts are arranged on the bearing seats, bearing rollers are arranged on each bearing shaft and are matched with the walking track of the robot, the fixed end of the robot body is connected with the lower side of the installation bottom plate, and the main disc of the quick-change device of the robot is installed at the executing end of the robot body. The main disc of the robot quick-change device and the tool disc of the robot quick-change device are connected or separated through a piston steel ball locking structure. Compared with the prior art, the utility model has the beneficial effects that: The cleaning device is loaded on the robot through the quick-change structure, the bearing mechanism is utilized to drive the cleaning device to a designated position along a walking track of the robot, and the driving device is utilized to drive the rotary brush to realize quick and automatic cleaning of related equipment in the tunnel. Drawings Fig. 1 is a schematic structural view of an automatic cleaning apparatus for expressway tunnel according to the present utility mo