Anti-collision device and road surface cleaning machine tool

Abstract

The utility model discloses an anti-collision device and a road surface cleaning machine, and the anti-collision device comprises an anti-collision housing which is arranged outside a working device and is provided with a cavity for allowing the working device to move; the avoiding assembly is rotatably connected with the anti-collision housing and controls the longitudinal displacement of the anti-collision housing; the detection assembly is arranged between the anti-collision cover shell and the avoiding assembly and is used for detecting the horizontal rotation of the anti-collision cover shell; a reset assembly is further connected between the anti-collision housing and the avoiding assembly. According to the cleaning machine, the unmanned driving technology is adopted, a cab structure is omitted, an anti-collision mechanism is arranged in front of the cleaning machine, the cleaning machine can avoid obstacles and automatically reset after avoiding, and damage to the cleaning machine is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of environmental sanitation, and particularly relates to an anti-collision device and a road cleaning machine. Background Art

[0002] With the rapid development of China's economy, the urbanization process has also been accelerating. The construction of urban roads directly increases the road cleaning operation area and the demand for road cleaning. The domestic environmental sanitation service market is mainly divided into road cleaning, garbage removal and maintenance. Unmanned sanitation vehicles have gradually come into people's sight. It is an important innovation in the field of environmental sanitation, combining driverless technology, intelligent recognition systems and traditional environmental sanitation equipment, bringing a revolutionary change to urban environmental sanitation management.

[0003] When the cleaning machine is working, the flushing device or sweeping device at the bottom of the cleaning machine usually has a small distance from the road surface in order to better clean the road surface. However, when there are obstacles on the road surface, the flushing device or sweeping device at the bottom will contact the obstacles and interfere, which is likely to cause damage to the flushing device or sweeping device and affect the cleaning efficiency. In this regard, it is necessary to develop a cleaning machine that can automatically avoid obstacles. Summary of the Invention

[0004] To solve the above technical problems, the utility model provides an anti-collision device and a road cleaning machine. The cleaning machine adopts driverless technology, cancels the cab structure, and sets an anti-collision mechanism in front of the cleaning machine. When encountering an obstacle, it will avoid it and automatically reset after avoidance, reducing the damage of the cleaning machine.

[0005] Specifically, the utility model discloses an anti-collision device for protecting a working implement, comprising:

[0006] An anti-collision cover shell, which is arranged outside the working implement and has a cavity allowing the movement of the working implement;

[0007] An avoidance assembly, which is rotatably connected to the anti-collision cover shell and controls the longitudinal displacement of the anti-collision cover shell;

[0008] A detection assembly, which is arranged between the anti-collision cover shell and the avoidance assembly to detect the horizontal rotation of the anti-collision cover shell; wherein,

[0009] A reset assembly is also connected between the anti-collision cover shell and the avoidance assembly.

[0010] Furthermore, the working implement includes at least one of the following:

[0011] A flushing device for flushing the road surface;

[0012] A sweeping device for sweeping the road surface.

[0013] Further, the avoidance component includes a fixing plate, a fixing bracket and a lifting electric push rod. One side of the fixing plate is provided with a horizontally extending mounting plate. The anti-collision cover is rotatably connected to the mounting plate through a rotating shaft. The fixing plate and the fixing bracket are connected by a plurality of lifting connecting rods. One end of the lifting connecting rod is hinged to the fixing plate, and the other end is hinged to the fixing bracket. One end of the lifting electric push rod is hinged to the fixing plate, and the other end is hinged to the fixing bracket.

[0014] Further, the reset component is a torsion spring. The reset component is sleeved on the rotating shaft. The reset component has a first limiting portion and a second limiting portion. The anti-collision cover has a first limiting groove that slidably contacts the first limiting portion and a second limiting groove that slidably contacts the second limiting portion.

[0015] Further, a left baffle and a right baffle are further provided on the mounting plate. The left baffle abuts against a third limiting portion of the reset component, and the right baffle abuts against a fourth limiting portion of the reset component.

[0016] Further, the detection component includes a proximity switch and a detection baffle. The proximity switch is arranged on one side of the anti-collision cover through a connecting plate. The detection baffle is arranged on one side of the fixing plate for detecting the horizontal rotation of the anti-collision cover.

[0017] In addition, the present invention also discloses a road surface cleaning machine, including the anti-collision device described in any one of the above.

[0018] Further, it further includes a wire-controlled chassis. The wire-controlled chassis has a wire-controlled drive system for providing driving force, a wire-controlled steering system for controlling the traveling direction, a wire-controlled braking system for providing braking force, and a battery for supplying electric energy to the wire-controlled drive system, the wire-controlled steering system, and the wire-controlled braking system.

[0019] Further, it further includes a clean water tank. A water level sensor, a drain port and a water filling port are provided at the bottom of the clean water tank.

[0020] Further, it further includes an intelligent control system, an interaction system and a vehicle body sensor.

[0021] The beneficial effects of the present invention are as follows: The cleaning machine adopts unmanned driving technology, cancels the cab structure, and a anti-collision mechanism is provided in front of the cleaning machine. When encountering an obstacle, it will avoid and automatically reset after avoidance, reducing the damage of the cleaning machine. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art.

[0023] Figure 1 It is a schematic diagram of the anti-collision device;

[0024] Figure 2 It is a schematic diagram of another perspective of the anti-collision device;

[0025] Figure 3 It is a schematic diagram of the anti-collision device with the avoidance component hidden;

[0026] Figure 4 It is a partial enlarged view of the installation of the reset component;

[0027] Figure 5 It is a schematic diagram of the road surface cleaning machine;

[0028] Figure 6 It is a schematic diagram of the wire-controlled chassis of the road surface cleaning machine;

[0029] Figure 7 It is a schematic diagram of the water tank of the road surface cleaning machine.

[0030] The reference numerals involved in the accompanying drawings are as follows: anti-collision device 1, anti-collision cover 11, first limit groove 111, second limit groove 112, avoidance component 12, fixing plate 121, mounting plate 122, left baffle 1221, right baffle 1222, rotating shaft 123, lifting connecting rod 124, fixing bracket 125, lifting electric push rod 126, detection component 13, proximity switch 131, detection baffle 132, connecting plate 133, reset component 14, first limit part 141, second limit part 142, third limit part 143, fourth limit part 144, wire-controlled chassis 2, wire-controlled drive system 21, wire-controlled steering system 22, wire-controlled braking system 23, battery 24, water tank 3, water filling port 31, water level sensor 32, drain port 33, interactive screen 4, pick-up 5, sensor 6, lidar 7. Detailed implementation manners

[0031] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0032] As Figure 1-7 shown, the present utility model discloses an anti-collision device 1 for protecting a working implement, including: an anti-collision cover 11 provided outside the working implement and having a cavity allowing the movement of the working implement;

[0033] an avoidance component 12 rotatably connected to the anti-collision cover 11 and controlling the longitudinal displacement of the anti-collision cover 11;

[0034] a detection component 13 provided between the anti-collision cover 11 and the avoidance component 12 for detecting the horizontal rotation of the anti-collision cover 11; wherein,

[0035] a reset component 14 is also connected between the anti-collision cover 11 and the avoidance component 12.

[0036] When the anti-collision housing 11 comes into contact with an obstacle, it will be subjected to the force of the obstacle, causing the anti-collision housing 11 to rotate. The detection component 13 detects the horizontal rotation amount of the anti-collision housing 11 and gives a signal feedback. The anti-collision housing 11 is lifted by the avoidance component 12 to avoid the obstacle. After the anti-collision housing 11 avoids the obstacle, under the action of the reset component 14, the anti-collision housing 11 resumes its original posture, and the detection component 13 recognizes that the anti-collision housing 11 has returned to its position and gives a signal feedback; if the detection component 13 does not recognize the return position, the vehicle will perform an emergency brake, check the obstacle and choose to reverse or detour to avoid the obstacle, reducing the damage of the cleaning machine.

[0037] Among them, the anti-collision housing 11 is preferably made of ABS material, which has a certain toughness to absorb the collision resistance and avoid collision damage.

[0038] In some embodiments of the present invention, the working implement includes at least one of the following:

[0039] A flushing implement for flushing the road surface;

[0040] A cleaning implement for cleaning the road surface.

[0041] Among them, the flushing implement includes but is not limited to a high-pressure water gun, a rotary nozzle or a flushing rack; the cleaning implement includes but is not limited to a sweeping disc, a washing disc or a rotary brush.

[0042] In some embodiments of the present invention, the avoidance component 12 includes a fixed plate 121, a fixed bracket 125 and a lifting electric push rod 126. One side of the fixed plate 121 is provided with a horizontally extending mounting plate 122. The anti-collision housing 11 is rotatably connected to the mounting plate 122 through a rotating shaft 123. The fixed plate 121 and the fixed bracket 125 are connected by a plurality of lifting connecting rods 124. One end of the lifting connecting rod 124 is hinged to the fixed plate 121, and the other end is hinged to the fixed bracket 125. One end of the lifting electric push rod 126 is hinged to the fixed plate 121, and the other end is hinged to the fixed bracket 125. In this embodiment, the fixed plate 121 and the fixed bracket 125 are connected by four lifting connecting rods 124. The four lifting connecting rods 124 are respectively arranged at the four corners of the fixed plate 121 and the fixed bracket 125, and any two lifting connecting rods 124 are in a parallel state. When the lifting electric push rod 126 retracts, the anti-collision housing 11 moves upward; when the lifting electric push rod 126 extends, the anti-collision housing 11 moves downward. The lifting connecting rods 124 improve the stability of the movement of the fixed plate 121.

[0043] In some embodiments of the present utility model, the reset assembly 14 is a torsion spring. The reset assembly 14 is sleeved on the rotating shaft 123. The reset assembly 14 has a first limiting portion 141 and a second limiting portion 142. The anti-collision cover 11 has a first limiting groove 111 that slidably contacts the first limiting portion 141, and a second limiting groove 112 that slidably contacts the second limiting portion 142. When encountering an obstacle, the first limiting groove 111 abuts against the first limiting portion 141 or the second limiting groove 112 abuts against the second limiting portion 142, applying a force to the torsion spring to cause the anti-collision cover 11 to rotate. The setting of the torsion spring facilitates the reset of the anti-collision cover 11 after obstacle avoidance. The settings of the first and second limiting grooves prevent the first and second limiting portions from sliding and shifting during the sliding process, improving the stability of the mechanism movement.

[0044] In some embodiments of the present utility model, a left baffle 1221 and a right baffle 1222 are further provided on the mounting plate 122. The left baffle 1221 abuts against the third limiting portion 143 of the reset assembly 14, and the right baffle 1222 abuts against the fourth limiting portion 144 of the reset assembly 14. The left baffle 1221 and the right baffle 1222 limit the positions of the third limiting portion 143 and the fourth limiting portion 144, keeping the anti-collision cover 11 in a stable state when the anti-collision cover 11 is in an unloaded state.

[0045] In some embodiments of the present utility model, the detection assembly 13 includes a proximity switch 131 and a detection baffle 132. The proximity switch 131 is provided on one side of the anti-collision cover 11 through a connecting plate 133, and the detection baffle 132 is provided on one side of the fixing plate 121 for detecting the horizontal rotation of the anti-collision cover 11. When the anti-collision cover 11 rotates, it drives the connecting plate 133 and the proximity switch 131 to rotate. At this time, the proximity switch 131 cannot detect the detection baffle 132 and sends a feedback signal; if the anti-collision cover 11 is reset, the proximity switch 131 detects the detection baffle 132, indicating successful obstacle avoidance; if the anti-collision cover 11 is not reset, the vehicle brakes emergently, checks for obstacles and chooses to reverse or detour to avoid the obstacles.

[0046] The feedback logic of the anti-collision device is as follows: When colliding with an obstacle, the anti-collision cover 11 rotates, the proximity switch 131 loses the signal, and the lifting electric push rod 126 retracts, causing the anti-collision cover 11 to move upward; if the anti-collision cover 11 is reset, the proximity switch 131 detects the detection baffle 132, indicating successful obstacle avoidance; if the anti-collision cover 11 is not reset, the vehicle brakes emergently, checks for obstacles and chooses to reverse or detour to avoid the obstacles.

[0047] In addition, the present utility model also discloses a road surface cleaning machine, including the anti-collision device 1 according to any one of the above.

[0048] In some embodiments of the present utility model, the road surface cleaning machine further includes a wire-controlled chassis 2, which has a wire-controlled drive system 21 for providing driving force, a wire-controlled steering system 22 for controlling the traveling direction, a wire-controlled braking system 23 for providing braking force, and a battery 24 for supplying electrical energy to the wire-controlled drive system 21, the wire-controlled steering system 22, and the wire-controlled braking system 23.

[0049] The wire-controlled drive system 21 is installed on the rear wheels of the wire-controlled chassis 2 to provide driving force for the rear wheels to move forward or backward. The wire-controlled steering system 22 is installed on the front wheels of the wire-controlled chassis 2 to control its traveling direction. The wire-controlled braking system 23 is installed on the front or rear wheels of the wire-controlled chassis 2 to control its braking. The wire-controlled chassis 2 is purely electrically driven and is supplied with electrical energy by the battery 24 arranged in the middle. The battery 24 can be replenished with energy through charging or battery swapping modes.

[0050] In some embodiments of the present utility model, the road surface cleaning machine further includes a fresh water tank 3. The bottom of the fresh water tank 3 is provided with a water level sensor 632, a drain port 33, and a water filling port 31. When the fresh water tank 3 is short of water, water enters the fresh water tank 3 through the water filling port 31. When the ambient temperature is lower than the temperature set by the electric drain valve, the water is automatically drained from the drain port 33. The setting of the water level sensor 632 can provide real-time feedback on the water volume in the fresh water tank 3.

[0051] In some embodiments of the present utility model, the road surface cleaning machine further includes an intelligent control system, an interaction system, and a vehicle body sensor 6.

[0052] Among them, the intelligent control system is located in the front-end engine compartment. With the mobile controller VCU as the core unit, the entire power supply, control, and feedback systems are built. It covers the information processing and integrated interaction of the lights, sounds, displays, sensors 6, chassis control, and remote control modules of the whole machine, realizing the intelligent control of the cleaning machine;

[0053] The interaction system consists of an interaction screen 4, a voice module, a pick-up microphone 5, etc. The interaction screen 4 displays the working status, environmental data, etc. in real time. The pick-up microphones 5 arranged on the right front and left rear can accurately capture the user's voice commands and can clearly identify them even in a noisy environment. The voice module can provide feedback on the robot's status and operation instructions, enhancing the user interaction experience;

[0054] The vehicle body sensor 6 consists of cameras, sensors 6, and lidar 7 distributed on the front, rear, and top of the vehicle body. The field of view covers a 360° range around the vehicle body, comprehensively monitoring the surrounding environment, improving the recognition and obstacle avoidance capabilities, providing a detailed close-range environmental view for the remote driving terminal, and assisting in obstacle recognition and path planning.

[0055] For those of ordinary skill in the art, without departing from the inventive concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model.

Claims

1. An anti-collision device for protecting a working implement, characterized in that, Comprising: A collision protection housing (11), which is arranged outside the working implement and has a cavity allowing the movement of the working implement; An avoidance assembly (12), which is rotatably connected to the collision protection housing (11) and controls the longitudinal displacement of the collision protection housing (11); A detection assembly (13), which is arranged between the collision protection housing (11) and the avoidance assembly (12) and detects the horizontal rotation of the collision protection housing (11); wherein, A reset assembly (14) is also connected between the collision protection housing (11) and the avoidance assembly (12).

2. The anti-collision device according to claim 1, characterized in that The working implement includes at least one of the following: A flushing implement for flushing the road surface; A sweeping implement for sweeping the road surface.

3. The anti-collision device according to claim 1, characterized in that, The avoidance assembly (12) includes a fixing plate (121), a fixing bracket (125) and a lifting electric push rod (126). A horizontally extending mounting plate (122) is arranged on one side of the fixing plate (121). The collision protection housing (11) is rotatably connected to the mounting plate (122) through a rotating shaft (123). The fixing plate (121) and the fixing bracket (125) are connected by a plurality of lifting connecting rods (124). One end of the lifting connecting rod (124) is hinged to the fixing plate (121), and the other end is hinged to the fixing bracket (125). One end of the lifting electric push rod (126) is hinged to the fixing plate (121), and the other end is hinged to the fixing bracket (125).

4. The anti-collision device according to claim 3, characterized in that, The reset assembly (14) is a torsion spring. The reset assembly (14) is sleeved on the rotating shaft (123). The reset assembly (14) has a first limiting portion (141) and a second limiting portion (142). The collision protection housing (11) has a first limiting groove (111) in sliding contact with the first limiting portion (141) and a second limiting groove (112) in sliding contact with the second limiting portion (142).

5. The anti-collision device according to claim 4, characterized in that, A left baffle (1221) and a right baffle (1222) are also arranged on the mounting plate (122). The left baffle (1221) abuts against a third limiting portion (143) of the reset assembly (14), and the right baffle (1222) abuts against a fourth limiting portion (144) of the reset assembly (14).

6. The anti-collision device according to claim 3, characterized in that, The detection assembly (13) includes a proximity switch (131) and a detection baffle (132). The proximity switch (131) is arranged on one side of the collision protection housing (11) through a connecting plate (133). The detection baffle (132) is arranged on one side of the fixing plate (121) for detecting the horizontal rotation of the collision protection housing (11).

7. A road surface cleaning machine, characterized in that, Including the anti-collision device according to any one of claims 1 to 6.

8. The road surface cleaning machine according to claim 7, wherein, It further includes a wire-controlled chassis (2). The wire-controlled chassis (2) has a wire-controlled drive system (21) for providing driving force, a wire-controlled steering system (22) for controlling the traveling direction, a wire-controlled braking system (23) for providing braking force, and a battery (24) for supplying electric energy to the wire-controlled drive system (21), the wire-controlled steering system (22), and the wire-controlled braking system (23).

9. The road surface cleaning machine according to claim 7, characterized in that, It further includes a clean water tank (3), and a water level sensor (632), a drain port (33) and a water filling port (31) are provided at the bottom of the clean water tank (3).

10. The road surface cleaning machine according to claim 7, characterized in that, It further includes an intelligent control system, an interaction system and vehicle body sensors.

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