AGV trundle cleaning device

Abstract

The utility model discloses an AGV trundle cleaning device. The AGV trundle cleaning device comprises a supporting plate used for supporting a trundle to run, and a spraying assembly, a spraying assembly and a brush assembly which are sequentially arranged along the supporting plate. The spraying assembly comprises a plurality of high-pressure nozzles, and the high-pressure nozzles are used for spraying high-pressure water to the trundles along a set angle so as to clean the trundles; the spraying assembly comprises a plurality of cleaning agent spray heads, and the cleaning agent spray heads are used for spraying cleaning agents to the trundles; the brush assembly comprises a plurality of rotating brushes which are arranged in a rotatable mode, and the rotating brushes are used for washing the trundles. Thus, the truckles of the AGV are sequentially sprayed, cleaned and washed, the cleaning modes are increased, impurities attached to the truckles can be fully cleaned, and the cleaning effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to AGV cleaning technical field, especially AGV trundle cleaning device. BACKGROUND

[0002] AGV is the abbreviation of Automated Guided Vehicle, which is an automatic guided vehicle. As an intelligent vehicle capable of realizing autonomous navigation and executing logistics tasks, AGV can realize autonomous perception and decision-making in various environments by using light navigation, visual recognition and sensor technology, and can complete tasks such as transportation and handling of goods, and is widely used in warehouse, manufacturing and medical fields.

[0003] Since the trundle of AGV is usually made of polyurethane, AGV needs to run continuously as a carrying vehicle, and the trundle will inevitably be contaminated with dust, particles and other impurities, which will damage the ground and affect the cleanliness of the workshop. In order to adapt to the clean workshop with high cleanliness requirement, the trundle of AGV needs to be cleaned regularly, and the cleaning method is mostly manual cleaning, and a small part of cleaning devices are used for cleaning.

[0004] However, the existing AGV trundle cleaning device still has many shortcomings. For example, due to the limitation of the existing technology, some devices only have a simple cleaning method for the trundle of AGV, which is difficult to effectively clean the impurities attached to the trundle, and the cleaning effect is relatively poor. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing an AGV trundle cleaning device, and the trundle of AGV is sequentially cleaned by a spraying assembly, a spraying assembly and a brush assembly, so that the cleaning method is increased and the cleaning effect is better.

[0006] In order to achieve the above-mentioned purpose, the utility model provides an AGV trundle cleaning device, which comprises a support plate for supporting the trundle to run and a spraying assembly, a spraying assembly and a brush assembly arranged along the support plate; the spraying assembly comprises a high-pressure nozzle, and the high-pressure nozzle is used for spraying high-pressure water to the trundle at a set angle to clean the trundle; the spraying assembly comprises a cleaning agent nozzle, and the cleaning agent nozzle is used for spraying cleaning agent to the trundle; the brush assembly comprises a rotatable rotary brush, and the rotary brush is used for washing the trundle.

[0007] Preferably, the spraying assembly further comprises a spraying pump; and further comprising:

[0008] A spraying position detection member is arranged in a detection port of the support plate, and the spraying position detection member is used for detecting whether the trundle enters the detection port;

[0009] A spraying timer is used for recording the spraying time of the spraying assembly;

[0010] A controller is connected with the spraying position detecting member, the spraying pump and the spraying timer respectively. The controller is used to start the spraying pump to make the high-pressure nozzle spray high-pressure water when the caster wheel enters the detection port according to the signal fed back by the spraying position detecting member, and is used to control the spraying pump to stop when the spraying time of the spraying assembly reaches the set spraying time according to the signal fed back by the spraying timer.

[0011] Preferably, the spraying assembly further comprises a spraying pump, and further comprises:

[0012] A spraying position detecting member is connected with the controller. The spraying position detecting member is used to detect whether the caster wheel is aligned with the cleaning agent nozzle. The controller is used to start the spraying pump to make the cleaning agent nozzle spray cleaning agent when the caster wheel is aligned with the cleaning agent nozzle according to the signal fed back by the spraying position detecting member.

[0013] A spraying timer is used to record the spraying time of the spraying assembly. The spraying timer is connected with the controller. The controller is used to control the spraying pump to stop when the spraying time of the spraying assembly reaches the set spraying time according to the signal fed back by the spraying timer.

[0014] Preferably, the brush assembly comprises a rotating motor, and further comprises:

[0015] A washing position detecting member is connected with the rotating motor and the controller. The washing position detecting member is used to detect whether the caster wheel is aligned with the rotating brush. The controller is used to start the rotating motor to drive the rotating brush to wash when the caster wheel is aligned with the rotating brush according to the signal fed back by the washing position detecting member.

[0016] A washing timer is used to record the washing time of the brush assembly. The washing timer is connected with the controller. The controller is used to control the rotating motor to stop when the washing time of the brush assembly reaches the set washing time according to the signal fed back by the washing timer.

[0017] Preferably, the support plate comprises a spraying area located directly above the spraying assembly and the spraying assembly. The spraying area is laid on a water absorption pad, and the water absorption pad is formed with a plurality of water absorption holes.

[0018] Preferably, the support plate is provided with a spraying hole opposite to the high-pressure nozzle and a spraying hole opposite to the cleaning agent nozzle. The support plate is further provided with a plurality of avoiding holes for avoiding the rotating brush, and the rotating brush is arranged beyond the avoiding holes.

[0019] Preferably, the support plate is provided with a spraying hole opposite to the high-pressure nozzle and a spraying hole opposite to the cleaning agent nozzle. The support plate is further provided with a plurality of avoiding holes for avoiding the rotating brush, and the rotating brush is arranged beyond the avoiding holes.

[0020] Preferably, the water storage tank comprises a water collecting cavity and a cleaning cavity which are communicated with each other, the bottom of the cleaning cavity is higher than the bottom of the water collecting cavity, the cleaning cavity contains cleaning water of a set height, and the rotating brush is immersed in the cleaning water; an inclined surface is fixed in the water collecting cavity and is used for guiding the cleaning water to flow to the water collecting cavity.

[0021] Preferably, the water drainage tank is provided with a water drainage hole which is connected with a water drainage pump through a water drainage pipe; the water drainage hole is provided with a filter screen which is used for filtering impurities in the sewage.

[0022] Preferably, the AGV wheel cleaning device further comprises:

[0023] A dust suction assembly is arranged on one side of the support plate and is arranged before the spraying assembly; the dust suction assembly is used for cleaning dust attached to the surface of the AGV before the spraying assembly sprays.

[0024] A drying assembly is arranged on one side of the support plate and is arranged after the brush assembly; the drying assembly is used for drying water remaining on the surface of the AGV after the brush assembly brushes.

[0025] Compared with the prior art, the structure of the AGV wheel cleaning device is optimized, the optimized AGV wheel cleaning device comprises a support plate and a spraying assembly, a spraying assembly, a brush assembly arranged in sequence along the support plate; when cleaning, the AGV drives along the support plate, first passes through the spraying assembly, the high-pressure nozzle of the spraying assembly sprays high-pressure water to the wheel at a set angle, and the wheel is cleaned; then passes through the spraying assembly, the cleaning agent nozzle of the spraying assembly sprays cleaning agent to the wheel; finally passes through the brush assembly, the rotating brush of the brush assembly brushes the wheel by rotating. In this way, the wheel of the AGV passes through spraying, cleaning and brushing in sequence, the cleaning mode is increased, the impurities attached to the wheel can be fully cleaned, and the cleaning effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0027] Figure 1 FIG. 1 is a schematic view of an AGV wheel cleaning device provided by the embodiments of the present application;

[0028] Figure 2 FIG. 2 is a sectional view of FIG. 1. Figure 1

[0029] The signs are as follows: ​

[0030] caster 01;

[0031] support plate 1, spraying assembly 2, jetting assembly 3, brush assembly 4, controller 5, water absorption pad 6, drainage tank 7, water storage tank 8 and control panel 9;

[0032] detection port 11 and avoiding hole 12;

[0033] cleaning agent nozzle 31;

[0034] rotary brush 41;

[0035] water collecting cavity 81, cleaning cavity 82 and inclined surface 83 DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0038] The embodiments of the present application disclose an AGV caster cleaning device, as shown in the accompanying drawings, Figure 1 and 2 The AGV caster cleaning device comprises a support plate 1 and a spraying assembly 2, a jetting assembly 3 and a brush assembly 4 arranged in sequence along the support plate 1. The support plate 1 is a flat plate for supporting the caster 01 of the AGV to travel. It should be noted that the AGV travels at a low speed on the support plate 1 to ensure that the caster 01 is fully cleaned. As a preferred embodiment, the upper surface of the support plate 1 is provided with two guide rails in parallel, and a guide groove is formed between the two guide rails for guiding the caster 01 to travel in a straight line. The two ends of the two guide rails are respectively provided with a trumpet mouth for guiding the AGV to enter or exit the guide groove.

[0039] The spraying assembly 2 comprises a plurality of high-pressure nozzles for spraying high-pressure water at a set angle to the caster 01 to clean the caster 01. The set angle in the text refers to the optimal spraying angle of the high-pressure nozzle. The jetting assembly 3 comprises a plurality of cleaning agent nozzles 31 for jetting cleaning agent to the caster 01. The brush assembly 4 comprises a plurality of rotary brushes 41 arranged rotatably, and the rotary brushes 41 are used for washing the caster 01.

[0040] As a preferred embodiment, the AGV is provided with one caster 01 on each side, the spraying assembly 2 is specifically provided with two high-pressure nozzles, the spraying assembly 3 is specifically provided with two cleaning agent spray heads 31, and each high-pressure nozzle and each cleaning agent spray head 31 is aligned with one caster 01. Of course, the number of high-pressure nozzles and cleaning agent spray heads 31 can be adjusted according to the number of casters 01, which is not specifically limited herein.

[0041] During cleaning, the AGV drives along the support plate 1, first passes through the spraying assembly 2, the high-pressure nozzles of the spraying assembly 2 spray high-pressure water to the casters 01 at a set angle to clean the casters 01, then passes through the spraying assembly 3, the cleaning agent spray heads 31 of the spraying assembly 3 are used to spray cleaning agent to the casters 01, and finally passes through the brush assembly 4, the rotating brush 41 of the brush assembly 4 brushes the casters 01 by rotating. In this way, the casters 01 of the AGV pass through spraying, cleaning and brushing in turn, the cleaning mode is increased, the impurities attached to the casters 01 can be fully cleaned, and the cleaning effect is better.

[0042] The spraying assembly 2 further comprises a spraying pump and a spraying pipe, the spraying pipe is connected between the high-pressure nozzle and the spraying pump, so that the spraying pump provides high-pressure water for the high-pressure nozzle through the spraying pipe.

[0043] The AGV caster cleaning device further comprises a spraying position detection member, a spraying timer and a controller 5, the spraying position detection member is arranged at the detection port 11 arranged on the support plate 1, and is used to detect whether the caster 01 drives into the detection port 11. The spraying position detection member can be a position sensor. The spraying timer is used to record the spraying time of the spraying assembly 2. The controller 5 is connected with the spraying position detection member, the spraying pump and the spraying timer respectively.

[0044] When the spraying position detection member detects that the caster 01 drives into the detection port 11, the spraying position detection member sends a signal to the controller 5, the controller 5 judges and processes the signal and then sends a signal to the spraying pump to automatically start the spraying pump, so that the high-pressure nozzle automatically sprays high-pressure water. When the spraying time recorded by the spraying timer reaches the set spraying time, the spraying timer sends a signal to the controller 5, the controller 5 judges and processes the signal and then sends a signal to the spraying pump to automatically stop the spraying pump. In this way, it can be ensured that the spraying assembly 2 only operates when the caster 01 of the AGV passes through, so as to avoid energy waste caused by empty operation of the spraying assembly 2, which is beneficial to energy saving.

[0045] The AGV caster wheel cleaning device further comprises a pressure detection member connected to the controller 5, which is used to detect the spraying pressure of the high-pressure nozzle, and can be a pressure sensor. When the pressure detection member detects that the spraying pressure of the high-pressure nozzle exceeds the set pressure range, the pressure detection member feeds back a signal to the controller 5, and the controller 5 adjusts the rotating speed of the spraying pump, thereby adjusting the spraying pressure, ensuring that the spraying pressure of the high-pressure nozzle is stable, which can improve the cleaning effect and avoid damaging the caster wheel 01.

[0046] The spraying assembly 3 further comprises a spraying pump and a spraying pipe, and the spraying pump and the cleaning agent nozzle 31 are connected in communication through the spraying pipe. The AGV caster wheel cleaning device further comprises a spraying position detection member and a spraying timer, and the spraying position detection member, the spraying pump and the spraying timer are all connected to the controller 5. The spraying position detection member is used to detect whether the caster wheel 01 is aligned with the cleaning agent nozzle 31, and can be a position sensor. The spraying timer is used to record the spraying time of the spraying assembly 3.

[0047] When the spraying position detection member detects whether the caster wheel 01 is aligned with the cleaning agent nozzle 31, the spraying position detection member sends a signal to the controller 5, and the controller 5 sends a signal to the spraying pump after judgment processing, thereby automatically starting the spraying pump to make the cleaning agent nozzle 31 automatically spray cleaning agent. When the spraying timer detects that the spraying time of the spraying assembly 3 reaches the set spraying time, the spraying timer sends a signal to the controller 5, and the controller 5 sends a signal to the spraying pump after judgment processing, thereby controlling the spraying pump to stop rotating. In this way, it can be ensured that the spraying assembly 3 only operates when the caster wheel 01 of the AGV passes through, thereby avoiding energy waste caused by the empty operation of the spraying assembly 3, and also being conducive to energy saving.

[0048] The brush assembly 4 comprises a rotating motor connected to the rotating brush 41, which is used to drive the rotating brush 41 to rotate. The AGV caster wheel cleaning device further comprises a washing position detection member and a washing timer, and the washing position detection member, the rotating motor and the washing timer are all connected to the controller 5. The washing position detection member is used to detect whether the caster wheel 01 is aligned with the rotating brush 41, and can be a position sensor. The washing timer is used to record the washing time of the brush assembly 4.

[0049] When the washing position detection member detects that the caster wheel 01 is aligned with the rotating brush 41, the caster wheel 01 aligned with the rotating brush 41 sends a signal to the controller 5, and the controller 5 sends a signal to the rotating motor after judgment processing, thereby automatically starting the rotating motor to make the rotating motor drive the rotating brush 41 to automatically wash. When the washing timer detects that the washing time of the brush assembly 4 reaches the set washing time, the washing timer sends a signal to the controller 5, and the controller 5 sends a signal to the rotating motor after judgment processing, thereby controlling the rotating motor to automatically stop rotating. In this way, it can be ensured that the brush assembly 4 only operates when the caster wheel 01 of the AGV passes through, thereby avoiding energy waste caused by the empty operation of the brush assembly 4, and also being conducive to energy saving.

[0050] The AGV caster wheel cleaning device further comprises a control panel 9, which is provided with a cleaning start button, a cleaning agent injection knob and an AGV speed adjustment knob, all of which are connected with the controller 5; the controller 5 starts the spray pump according to the signal fed back by the cleaning start button, adjusts the injection amount of the cleaning agent nozzle 31 according to the rotation angle signal fed back by the cleaning agent injection knob, and adjusts the driving speed of the AGV according to the rotation angle signal fed back by the AGV speed adjustment knob.

[0051] The AGV caster wheel cleaning device further comprises an alarm and a tail end position detection member connected with the controller 5, and the tail end position detection member is used to detect whether the AGV drives off the support plate 1, and specifically can be a position sensor. When the tail end position detection member detects that the AGV drives off the support plate 1, the tail end position detection member feeds back a signal to the controller 5, the controller 5 sends a signal to the alarm after processing, and the alarm is automatically started to remind the on-site personnel to avoid collision with the AGV and improve safety.

[0052] The AGV caster wheel cleaning device further comprises a fault self-diagnosis module and a pre-warning module, which are used to detect the running state of the whole device in real time; when the AGV caster wheel cleaning device fails, the controller 5 controls the pre-warning module to send a pre-warning information and remotely sends it to the control panel 9, so that it is convenient to check and maintain in time.

[0053] It should be noted that the controller 5 should include a signal receiving part, a signal judging part and a signal sending part, the signal receiving part is used to receive the electric signal sent by the detection components such as the spray position detection member or the spray timer, the signal judging part and the signal receiving part are electrically connected, so that the signal judging part is used to judge whether the signal received by the signal receiving part is a trigger signal, and the signal sending part and the signal judging part are electrically connected, so that the signal sending part sends the generated judging signal of the signal judging part to the execution components such as the spray pump, the injection pump or the rotating motor. The specific setting mode of the three of the signal receiving part, the signal judging part and the signal sending part can refer to the prior art; in the present application, only the application scene of the above three is changed, and no substantial improvement is made. Obviously, the controller 5 with the structure is widely used in existing automatic control devices, such as MCU, DSP or single-chip microcomputer. The key point of the present application is that the controller 5 combines each detection member and each execution member in pairs.

[0054] As a preferred embodiment, the support plate 1 comprises a spray area, which is located directly above the spray assembly 2 and the injection assembly 3; the spray area is laid on the water absorption pad 6, and the water absorption pad 6 is formed with a plurality of water absorption holes, so that the water absorption pad 6 can not only increase the friction of the caster wheel 01 and improve the cleaning effect, but also rely on the friction to secondarily scrub the caster wheel 01, so that the cleaning effect is better. The water absorption pad 6 can be made of flexible materials such as sponge.

[0055] The support plate 1 is provided with a spray hole and a jet hole, the spray hole is opposite to the high-pressure nozzle, the high-pressure water sprayed by the high-pressure nozzle is sprayed to the caster 01 through the spray hole. The jet hole is opposite to the cleaning agent nozzle 31, the cleaning agent sprayed by the cleaning agent nozzle is sprayed to the caster 01 through the jet hole. The support plate 1 is also provided with a plurality of avoiding holes 12 for avoiding the rotating brush 41, the rotating brush 41 is arranged beyond the avoiding hole 12, which ensures that the rotating brush 41 is in full contact with the caster 01, and improves the cleaning effect. Specifically, the avoiding hole 12 is a long hole, the support plate 1 is provided with two long holes, each long hole is aligned with one caster 01, and each long hole is provided with a plurality of groups of rotating brushes 41, which can wash the caster 01 multiple times, and the cleaning effect is better.

[0056] The AGV caster cleaning device also comprises a drainage tank 7 and a water storage tank 8 connected by a partition plate; the drainage tank 7 and the water storage tank 8 are both fixedly arranged at the bottom of the support plate 1; the spray assembly 2 and the jet assembly 3 are both arranged in the drainage tank 7; the sewage generated after the high-pressure nozzle sprays the caster 01 and the dirt generated after the cleaning agent nozzle sprays the caster 01 are both returned to the drainage tank 7; the drainage tank 7 is used for collecting and discharging the sewage, so as to ensure that the cleaning site is clean and tidy. The rotating brush 41 is immersed in the water storage tank 8, the cleaning water in the water storage tank 8 is splashed to the caster 01 along with the rotating brush 41, and the decontamination ability of the rotating brush 41 is improved. The partition plate is fixedly provided with a plug, when the plug is removed, the water storage tank 8 is communicated with the drainage tank 7, the water in the water storage tank 8 is discharged to the drainage tank 7, and the cleaning water in the water storage tank 8 is replaced regularly. Of course, the water storage tank 8 can also be provided with a water supply hole for supplementing water for the water storage tank 8.

[0057] The water storage tank 8 comprises a water collecting cavity 81 and a cleaning cavity 82 which are communicated with each other, the bottom of the cleaning cavity 82 is arranged higher than the bottom of the water collecting cavity 81, the cleaning cavity 82 contains cleaning water with a set height, the water collecting tank can not only collect the sewage discharged from the cleaning cavity 82 and make the sand and other impurities in the sewage to be deposited, so as to ensure that the cleaning cavity 82 is kept clean, but also can supplement water for the cleaning cavity 82 in time, so that the cleaning water in the cleaning cavity 82 maintains a set height, avoiding that the cleaning water in the cleaning cavity 82 is too small to clean thoroughly, and avoiding that the cleaning water is too much to affect the cleaning efficiency. The rotating brush 41 is immersed in the cleaning water; the water collecting cavity 81 is fixedly provided with an inclined surface 83, the inclined surface 83 is used for guiding the cleaning water to flow to the water collecting cavity 81, so that the sludge deposited at the bottom of the cleaning cavity 82 is more easily flowed into the water collecting cavity 81.

[0058] The drainage tank 7 is provided with a drainage hole, the drainage hole is connected with a drainage pump through a drainage pipe; the drainage hole is provided with a filter screen, the filter screen is used for filtering the impurities in the sewage, avoiding the drainage pump being blocked, reducing the failure rate and improving the reliability.

[0059] The AGV caster wheel cleaning device further comprises a dust suction assembly and a drying assembly, the dust suction assembly is arranged on one side of the support plate 1, and the dust suction assembly is arranged before the spraying assembly 2; the dust suction assembly is used for cleaning dust attached to the surface of the AGV before the spraying assembly 2 sprays, thereby improving the cleaning effect. The drying assembly is arranged on one side of the support plate 1, the drying assembly is arranged after the brush assembly 4, and the drying assembly is used for drying the moisture remaining on the surface of the AGV after the brush assembly 4 brushes, thereby preventing the caster wheel 01 from rusting or corroding due to the remaining moisture.

[0060] It should be noted that the relational terms herein such as first and second are used only to differentiate one entity from another entity, and do not necessarily require or imply that there is any such actual relationship or order between these entities.

[0061] The principle and implementation mode of the present application are described by applying specific examples herein, and the above example is only used to help understand the method and core idea of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. An AGV caster wheel cleaning device, characterized by, Including support plate (1) for supporting the travel of the caster (01) and the spray assembly (2), the spray assembly (3), the brush assembly (4) arranged along the support plate (1) in turn; The spray assembly (2) comprises a high-pressure nozzle, and the high-pressure nozzle is used for spraying high-pressure water to the caster (01) along a set angle to clean the caster (01); The spray assembly (3) comprises a cleaning agent spray head (31), and the cleaning agent spray head (31) is used for spraying cleaning agent to the caster (01); The brush assembly (4) comprises a rotatable rotary brush (41), and the rotary brush (41) is used for washing the caster (01).

2. The AGV caster wheel cleaning device of claim 1, wherein, The spray assembly (2) further comprises a spray pump; Further comprising: Spray position detection piece, the spray position detection piece is arranged in the detection port (11) arranged in the support plate (1), and the spray position detection piece is used for detecting whether the caster (01) drives into the detection port (11); Spray timer, the spray timer is used for recording the spray time of the spray assembly (2); The controller (5) is connected with the spray position detection piece, the spray pump and the spray timer respectively; The controller (5) is used for starting the spray pump to make the high-pressure nozzle spray high-pressure water when the caster (01) drives into the detection port (11) according to the signal fed back by the spray position detection piece, and is also used for controlling the spray pump to stop when the spray time of the spray assembly (2) reaches the set spray time according to the signal fed back by the spray timer.

3. The AGV caster wheel cleaning device of claim 2, wherein, The spray assembly (3) further comprises a spray pump; Further comprising: Spray position detection piece, the spray position detection piece and the spray pump are connected with the controller (5); The spray position detection piece is used for detecting whether the caster (01) is aligned with the cleaning agent spray head (31); The controller (5) is used for starting the spray pump to make the cleaning agent spray head (31) spray cleaning agent when the caster (01) is aligned with the cleaning agent spray head (31) according to the signal fed back by the spray position detection piece; Spray timer, the spray timer is used for recording the spray time of the spray assembly (3); The spray timer is connected with the controller (5); The controller (5) is used for controlling the spray pump to stop when the spray time of the spray assembly (3) reaches the set spray time according to the signal fed back by the spray timer.

4. The AGV caster wheel cleaning device of claim 3, wherein, The brush assembly (4) comprises a rotary motor; Further comprising: Washing position detection piece, the washing position detection piece and the rotary motor are connected with the controller (5); The washing position detection piece is used for detecting whether the caster (01) is aligned with the rotary brush (41); The controller (5) is used for starting the rotary motor to drive the rotary brush (41) to wash when the caster (01) is aligned with the rotary brush (41) according to the signal fed back by the washing position detection piece; A brushing timer is arranged to record the brushing time of the brush assembly (4); the brushing timer is connected with the controller (5), and the controller (5) is used to control the rotary motor to stop rotating when the brushing time of the brush assembly (4) reaches the set brushing time according to the signal fed back by the brushing timer.

5. The AGV caster wheel cleaning device according to any one of claims 1 to 4, characterized in that, The support plate (1) comprises a spraying area located directly above the spraying assembly (2) and the jetting assembly (3); the spraying area is laid on a water absorption pad (6) which is formed with a plurality of water absorption holes.

6. The AGV caster wheel cleaning device according to any one of claims 1 to 4, characterized in that, The support plate (1) is provided with spraying holes and jetting holes, the spraying holes are opposite to the high-pressure nozzles, and the jetting holes are opposite to the cleaning agent nozzles (31); the support plate (1) is further provided with a plurality of avoiding holes (12) for avoiding the rotary brush (41), and the rotary brush (41) is arranged beyond the avoiding holes (12).

7. The AGV caster wheel cleaning device according to any one of claims 1 to 4, characterized in that, The support plate (1) is further provided with a drainage tank (7) and a water storage tank (8) which are fixedly connected by a partition plate; the drainage tank (7) and the water storage tank (8) are both fixedly arranged at the bottom of the support plate (1); the spraying assembly (2) and the jetting assembly (3) are both arranged in the drainage tank (7), and the drainage tank (7) is used to collect and discharge sewage; the rotary brush (41) is immersed in the water storage tank (8); the partition plate is fixedly provided with a plug, and when the plug is removed, the water in the water storage tank (8) is drained to the drainage tank (7).

8. The AGV caster wheel cleaning device of claim 7, wherein, The water storage tank (8) comprises a water collecting cavity (81) and a cleaning cavity (82) which are in communication with each other, the bottom of the cleaning cavity (82) is arranged higher than the bottom of the water collecting cavity (81), the cleaning cavity (82) contains cleaning water of a set height, and the rotary brush (41) is immersed in the cleaning water; the water collecting cavity (81) is fixedly provided with an inclined surface (83) which is used to guide the cleaning water to flow to the water collecting cavity (81).

9. The AGV caster wheel cleaning device of claim 7, wherein, The drainage tank (7) is provided with a drainage hole which is connected with a drainage pump through a drainage pipe; the drainage hole is provided with a filter screen which is used to filter impurities in the sewage.

10. The AGV caster wheel cleaning apparatus according to any one of claims 1 to 4, characterized in that, Further comprising: A dust suction assembly is arranged on one side of the support plate (1) and before the spraying assembly (2); the dust suction assembly is used to clean the dust attached to the surface of the AGV before the spraying assembly (2) sprays; A drying assembly is arranged on one side of the support plate (1) and after the brush assembly (4); the drying assembly is used to dry the water remaining on the surface of the AGV after the brush assembly (4) brushes.

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