Automatic cleaning machine for medical waste transport vehicle

Abstract

The invention discloses an automatic cleaning machine for a medical waste transport vehicle, and relates to the technical field of medical waste transport vehicle cleaning. According to the automatic cleaning machine for the medical waste transport vehicle, through the side brush rollers and the top brush roller arranged on the inner side of the portal frame, when the vehicle to be cleaned is cleaned, foam liquid is sprayed to the outer surface of the vehicle, and then brushing treatment is achieved through the running side brush rollers and the top brush roller till the cleaning process is completed through flushing of cleaning water; and in the cleaning process, the vehicle enters the interior of the to-be-cleaned vehicle along with the movable cleaning vehicle, then spraying operation of cleaning water and disinfectant is completed in sequence, synchronous cleaning of the interior of the to-be-cleaned vehicle is completed, compared with a traditional cleaning mode, more convenience is achieved, and the cleaning efficiency is improved while the cleaning effect is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning of medical waste transport vehicles, and in particular to an automatic cleaning machine for medical waste transport vehicles. Background Art

[0002] Medical waste transport vehicle is also known as: medical garbage transport vehicle, medical waste transport vehicle; it is used for the transportation of medical waste. Medical waste transport vehicles need to be cleaned and disinfected during the transportation process. Referring to the Chinese patent, the application number is "CN220314953U" "Automatic cleaning and disinfection equipment for medical waste transport vehicles". The patent points out that the existing automatic cleaning and disinfection equipment is not easy to adjust to the appropriate height and angle, and is not convenient for cleaning medical waste transport vehicles; but the equipment still has the problems of poor cleaning effect and low cleaning efficiency. In this regard, we propose an automatic cleaning machine for medical waste transport vehicles to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides an automatic cleaning machine for a medical waste transport vehicle, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic cleaning machine for medical waste transport vehicles, comprising a machine body, a box body fixed at the end of the machine body, a carrying plate slidably connected inside the box body, and a mobile cleaning vehicle placed above the carrying plate, the mobile cleaning vehicle is used to move to the inside of the vehicle to be washed;

[0005] A positioning end is fixed at the end of the mobile cleaning vehicle, and a cleaning ring frame and a disinfection ring frame are respectively fixed on the outside of the positioning end. Multiple nozzles are fixed on the outside of the cleaning ring frame and the disinfection ring frame, which are used to clean and disinfect the inside of the vehicle to be washed along with the delivery of cleaning water and disinfectant.

[0006] A gantry is slidably installed on the upper part of the machine body, and side brush rollers are rotatably connected to both sides of the gantry, and a transmission belt is connected between the ends of the two side brush rollers. The side brush rollers are used to clean the outer sides of the vehicle to be washed, and a top brush roller is rotatably connected to the top of the inner side of the gantry to clean the outer top of the vehicle to be washed. A foam spray rack and a washing rack are respectively fixed inside the gantry to clean the outer surface of the vehicle to be washed;

[0007] A foam liquid mixing box and a disinfectant liquid mixing box are fixed on the outside of the box, and a winding device is installed inside the box, and multiple sections of liquid guiding hoses are wound on the outside of the winding device. Pump bodies are provided between the multiple sections of liquid guiding hoses and the foam liquid mixing box and the disinfectant liquid mixing box for transporting liquids. The winding device is used to unwind and reel the multiple sections of liquid guiding hoses as the machine body runs.

[0008] Preferably, an air-drying rack is fixed on one side of the gantry near the foam spraying rack, an air-drying device is fixedly installed on the outer side of the gantry, and the air-drying device is interconnected with the air-drying rack for blowing off the cleaning water remaining on the surface of the vehicle.

[0009] Preferably, the pump body includes a first pump, a second pump and a third pump, which are all fixed on the outside of the box body, the liquid inlet end of the first pump is interconnected with the foam liquid proportioning box, the liquid outlet end of the first pump is connected to the foam spray rack through a liquid conducting hose, the liquid inlet end of the second pump is connected to the disinfectant proportioning box, the liquid outlet end of the second pump is connected to the disinfection ring rack through a liquid conducting hose, the liquid inlet end of the third pump is connected to a cleaning water delivery pipe, and the liquid outlet end of the third pump is respectively connected to the cleaning rack and the cleaning ring rack through liquid conducting hoses.

[0010] Preferably, a slide groove is provided inside the box body, and the supporting plate is slidably installed inside the slide groove for adjusting the height of the mobile cleaning vehicle above it. A hydraulic cylinder is fixedly installed inside the box body, and a pressure frame is fixedly installed on the piston end of the hydraulic cylinder. The pressure frame is fixedly connected to the supporting plate for driving the supporting plate to move up and down.

[0011] Preferably, right-angle limit plates are fixed on both sides of the carrying plate, and the winding device is installed between the two right-angle limit plates for moving with the carrying plate.

[0012] Preferably, a control panel is fixed on the side of the box body for controlling the operation of the pump body.

[0013] Preferably, a plurality of walking wheels are provided at the bottom of the mobile cleaning vehicle for driving the mobile cleaning vehicle to move inside the vehicle to be washed, a cleaning rack is fixedly installed on the outside of the mobile cleaning vehicle, a plurality of telescopic rods are fixedly installed on the side of the cleaning rack, and the ends of the plurality of telescopic rods away from the cleaning rack are connected to the telescopic rack, and cleaning scrapers are fixedly installed on the outsides of the telescopic rack and the cleaning rack.

[0014] Preferably, a plurality of elastic scrapers are fixedly mounted on the bottom of the cleaning frame and the telescopic frame.

[0015] Preferably, the plurality of elastic scrapers are all installed at an angle, and the plurality of elastic scrapers are staggered with each other.

[0016] Preferably, a side panel is fixedly mounted on the outer side of the machine body, and a recovery slot is provided on the top surface of the side panel for recovering the waste liquid.

[0017] The present invention provides an automatic cleaning machine for medical waste transport vehicles. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The automatic cleaning machine for medical waste transport vehicles can spray foam liquid onto the outer surface of the vehicle to be washed through the side brush rollers and the top brush rollers provided on the inner side of the gantry, and then perform brushing processing through the running side brush rollers and the top brush rollers until the cleaning process is completed by flushing with cleaning water. During the cleaning process, the mobile cleaning vehicle enters the interior of the vehicle to be washed, and then sprays the cleaning water and disinfectant in turn, completing the synchronous cleaning of the interior of the vehicle to be washed. Compared with the traditional cleaning method, it is more convenient and improves the cleaning efficiency while ensuring the cleaning effect.

[0019] (2) The automatic cleaning machine for medical waste transport vehicles, through the cooperation of the cleaning frame and the telescopic frame installed on the outside of the mobile cleaning vehicle, can complete the scraping and cleaning operation of the interior of the vehicle to be washed through the cooperation of the cleaning scraper and the elastic scraper when the mobile cleaning vehicle is running to clean the interior of the vehicle to be washed, thereby further improving the cleaning effect of the vehicle and avoiding affecting the discharge of waste liquid during the cleaning process.

[0020] (3) The automatic cleaning machine for medical waste transport vehicles can be adjusted in height through the load-bearing plate, making the equipment suitable for cleaning vehicles with different interior heights, thereby improving the equipment's ease of operation. The side panels and recycling slots can also be used to recycle waste liquid after use, thus avoiding environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 Schematic diagram of the cross-section structure;

[0023] Figure 3 For the present invention Figure 2 Side view;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the gantry of the present invention;

[0025] Figure 5 For the present invention Figure 4 Front view;

[0026] Figure 6 This is a structural schematic diagram of a mobile cleaning vehicle of the present invention;

[0027] Figure 7 For the present invention Figure 6 Look at the structural diagram;

[0028] Figure 8 For the present invention Figure 7 The enlarged structural diagram at A in the middle;

[0029] Fig. 9 It is a schematic diagram of the cross-sectional structure of the box body of the present invention.

[0030] In the figure: 1, machine body; 2, side panel; 201, recovery slot; 3, gantry; 301, air drying rack; 4, air drying device; 5, side brush roller; 501, transmission belt; 6, top brush roller; 7, foam spray rack; 8, cleaning rack; 9, box; 901, first pump; 902, second pump; 903, third pump; 904, slide; 905, hydraulic cylinder; 9051, press rack; 10, control panel ; 11. Foam liquid proportioning box; 12. Disinfectant proportioning box; 13. Carrying plate; 1301. Right-angle limit plate; 14. Winding device; 1401. Liquid guide hose; 15. Mobile cleaning vehicle; 1501. Traveling wheel; 16. Cleaning frame; 17. Telescopic frame; 18. Telescopic rod; 19. Cleaning scraper; 20. Positioning end; 21. Cleaning ring frame; 22. Disinfection ring frame; 23. Spray nozzle; 24. Elastic scraper. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-Figure 9 The present invention provides two technical solutions, which specifically include the following embodiments:

[0033] Embodiment 1:

[0034] In the embodiment of the present invention, reference Figure 1-Figure 9 , an automatic cleaning machine for medical waste transport vehicles, comprising a machine body 1, a box body 9 is fixed at the end of the machine body 1, a carrying plate 13 is slidably connected inside the box body 9, and a mobile cleaning vehicle 15 is placed above the carrying plate 13, the mobile cleaning vehicle 15 is used to move to the inside of the vehicle to be washed, the mobile cleaning vehicle 15 is an existing device, driven by a separate motor, when the vehicle to be washed is reversed into the washing position, first the height of the carrying plate 13 is adjusted to make it flush with the inner bottom of the vehicle to be washed, and then the mobile cleaning vehicle 15 can enter the inside of the vehicle to be washed through the operation;

[0035] In the embodiment of the present invention, further, a positioning end 20 is fixed at the end of the mobile cleaning vehicle 15, and a cleaning ring frame 21 and a disinfection ring frame 22 are respectively fixed on the outer side of the positioning end 20, and multiple nozzles 23 are fixed on the outer side of the cleaning ring frame 21 and the disinfection ring frame 22, which are used to clean and disinfect the interior of the vehicle to be washed along with the delivery of cleaning water and disinfectant. As the mobile cleaning vehicle 15 runs, it can drive the cleaning ring frame 21 and the disinfection ring frame 22 to enter the interior of the vehicle to be washed. After reaching the designated position, as the mobile cleaning vehicle 15 moves outward, the cleaning water is sprayed to the interior of the vehicle to be washed through the cleaning ring frame 21 and the multiple nozzles 23 to clean the inner wall of the vehicle to be washed, until the mobile cleaning vehicle 15 moves to the initial position to complete a cleaning operation, and then the mobile cleaning vehicle 15 is repeatedly operated and moved to the interior of the vehicle to be washed again, and in the process of the mobile cleaning vehicle 15 moving outward, the disinfectant is sprayed to the interior of the vehicle to be washed through the disinfection ring frame 22 and the multiple nozzles 23 to disinfect the inner wall of the vehicle to be washed;

[0036] In the embodiment of the present invention, further, a gantry 3 is slidably installed on the upper part of the machine body 1, and side brush rollers 5 are rotatably connected to both sides of the gantry 3, and a transmission belt 501 is connected between the ends of the two side brush rollers 5, and the side brush rollers 5 are used to clean the outer sides of the vehicle to be washed. The top of the inner side of the gantry 3 is rotatably connected to the top brush roller 6 for cleaning the outer top of the vehicle to be washed. The inside of the gantry 3 is respectively fixed with a foam spray rack 7 and a cleaning rack 8 for cleaning the outer surface of the vehicle to be washed. A motor is installed inside the gantry 3. Used to drive the side brush rollers 5 and the top brush rollers 6 to run. When the mobile cleaning vehicle 15 moves toward the inside of the vehicle to be washed, the gantry 3 keeps running synchronously. At this time, the foam liquid is sprayed onto the outer surface of the vehicle to be washed through the foam spraying rack 7. While the gantry 3 moves outside the vehicle to be washed, the outer surface of the vehicle to be washed is brushed by the operation of the side brush rollers 5 and the top brush rollers 6. When the gantry 3 reaches the designated position and resets, the foam liquid stops being transported, and then the washing water is sprayed onto the outer surface of the vehicle to be washed through the washing rack 8, completing a washing operation;

[0037] In the embodiment of the present invention, specifically, the foam liquid is an existing sterilization and dust removal liquid, which is manually configured and used to be sprayed on the outer surface of the vehicle to ensure the cleaning effect of the vehicle to be washed, which will not be described in detail here;

[0038] In the embodiment of the present invention, specifically, the disinfectant is artificially prepared, which will not be described in detail here;

[0039] In the embodiment of the present invention, further, a foam liquid mixing box 11 and a disinfectant mixing box 12 are fixed to the outside of the box body 9, the foam liquid mixing box 11 is used to mix the foam liquid, and the disinfectant mixing box 12 is used to mix the disinfectant. A winding device 14 is installed inside the box body 9, and a multi-section liquid guiding hose 1401 is wound around the outside of the winding device 14, and a pump body is provided between the multi-section liquid guiding hose 1401 and the foam liquid mixing box 11 and the disinfectant mixing box 12 for conveying liquid. The winding device 14 is used to unwind and rewind the multi-section liquid guiding hose 1401 as the machine body 1 runs. The winding device 14 is an existing device driven by a separate motor. When the winding device 14 is in the initial position, the multi-section liquid guiding hose 1401 is wound. When the equipment is running to clean the vehicle to be washed, as the gantry 3 and the mobile cleaning vehicle 15 run, the winding device 14 can be rotated to unwind and rewind to ensure the liquid conveying effect.

[0040] In the embodiment of the present invention, specifically, a drying rack 301 is fixed on one side of the gantry 3 close to the foam spray rack 7, and a drying device 4 is fixedly installed on the outer side of the gantry 3. The drying device 4 is connected to the drying rack 301 and is used to blow off the cleaning water remaining on the surface of the vehicle. The drying device 4 is an existing air compressor. When the gantry 3 is reset after the cleaning operation is completed, the high-pressure gas can be blown out through the drying rack 301 by the operation of the air compressor to blow off the water droplets attached to the surface of the vehicle after cleaning, thereby further improving the use effect of the equipment.

[0041] In the embodiment of the present invention, specifically, the pump body includes a first pump 901, a second pump 902 and a third pump 903. The pump body is an existing device for carrying out liquid delivery operations. The first pump 901, the second pump 902 and the third pump 903 are all fixed on the outside of the box 9. The liquid inlet end of the first pump 901 is connected to the foam liquid proportioning box 11, and the liquid outlet end of the first pump 901 is connected to the foam spray rack 7 through a liquid guide hose 1401. The liquid inlet end of the second pump 902 is connected to the disinfectant proportioning box 12, and the liquid outlet end of the second pump 902 is connected to the disinfection ring rack 22 through a liquid guide hose 1401. The liquid inlet end of the third pump 903 is connected to a cleaning water delivery pipe, and the liquid outlet end of the third pump 903 is connected to the cleaning rack 8 and the cleaning ring rack 21 respectively through the liquid guide hose 1401;

[0042] In the embodiment of the present invention, specifically, a slide groove 904 is provided inside the box body 9, and the carrying plate 13 is slidably installed inside the slide groove 904, which is used to adjust the height of the mobile cleaning vehicle 15 above it, so that the carrying plate 13 can adapt to vehicles to be washed at different heights. A hydraulic cylinder 905 is fixedly installed inside the box body 9, and a pressure frame 9051 is fixedly installed on the piston end of the hydraulic cylinder 905. The hydraulic cylinder 905 is an existing device, and the pressure frame 9051 is fixedly connected to the carrying plate 13, which is used to drive the carrying plate 13 to move up and down;

[0043] In the embodiment of the present invention, specifically, right-angle limit plates 1301 are fixed on both sides of the carrying plate 13, and the winding device 14 is installed between the two right-angle limit plates 1301, and is used to move with the carrying plate 13. The winding device 14 can be adjusted along with the height of the carrying plate 13, so that the winding device 14 and the liquid guiding hose 1401 can be adjusted along with the height of the carrying plate 13, so as to avoid the liquid guiding hose 1401 being compressed and affecting the delivery of the liquid;

[0044] In the embodiment of the present invention, specifically, a spherical body is provided at the position where the liquid guiding hose 1401 passes through the box 9, and the spherical body is rotatably connected inside the box 9 to reduce the friction of the liquid guiding hose 1401 and ensure the service life of the device;

[0045] In the embodiment of the present invention, specifically, a control panel 10 is fixed to the side of the box body 9 for controlling the operation of the pump body, and the control panel 10 is based on an existing PLC control module;

[0046] In the embodiment of the present invention, specifically, a plurality of running wheels 1501 are provided at the bottom of the mobile cleaning vehicle 15, which are used to drive the mobile cleaning vehicle 15 to move inside the vehicle to be washed. The running wheels 1501 are existing devices. A cleaning frame 16 is fixedly installed on the outside of the mobile cleaning vehicle 15. A plurality of telescopic rods 18 are fixedly installed on the side of the cleaning frame 16, and a telescopic frame 17 is connected to one end of the plurality of telescopic rods 18 away from the cleaning frame 16. Cleaning scrapers 19 are fixedly installed on the outside of the telescopic frame 17 and the cleaning frame 16. The cleaning frame 16 and the telescopic frame 17 are both rectangular and adapted to the internal size of the vehicle to be washed. The cleaning frame 16 is fixed to the outside of the mobile cleaning vehicle 15 by bolts and can be replaced according to the internal size of the vehicle to be washed. The cleaning scrapers 19 installed on the outside of the telescopic frame 17 and the cleaning frame 16 can further improve the cleaning effect of the inner wall of the vehicle to be washed.

[0047] In the embodiment of the present invention, further, a plurality of elastic scraper blades 24 are fixedly installed at the bottom of the cleaning frame 16 and the telescopic frame 17, and the plurality of elastic scraper blades 24 are all installed at an angle, and the plurality of elastic scraper blades 24 are staggered with each other. Through the arrangement of the elastic scraper blades 24, the cleaning and scraping operation of the inner bottom of the vehicle to be washed can be completed, and at the same time, through the staggered installation of the plurality of elastic scraper blades 24, it can avoid affecting the discharge of waste liquid.

[0048] Embodiment 2: Based on embodiment 1, on the basis of embodiment 1, in the embodiment of the present invention, a side panel 2 is fixedly installed on the outer side of the body 1, and a recovery slot 201 is opened on the top surface of the side panel 2 for recycling the waste liquid to avoid environmental pollution caused by the waste liquid.

[0049] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0050] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. An automatic cleaning machine for a medical waste transport vehicle, comprising a machine body (1), characterized in that: A box body (9) is fixed at the end of the machine body (1), a carrying plate (13) is slidably connected inside the box body (9), and a mobile cleaning vehicle (15) is placed above the carrying plate (13), and the mobile cleaning vehicle (15) is used to move to the inside of the vehicle to be washed; A positioning end head (20) is fixed at the end of the mobile cleaning vehicle (15), a cleaning ring frame (21) and a disinfection ring frame (22) are respectively fixed on the outer side of the positioning end head (20), and a plurality of nozzles (23) are fixed on the outer side of the cleaning ring frame (21) and the disinfection ring frame (22) for cleaning and disinfecting the interior of the vehicle to be cleaned along with the transportation of cleaning water and disinfectant. A gantry (3) is slidably mounted above the machine body (1), and side brush rollers (5) are rotatably connected to both sides of the gantry (3), and a transmission belt (501) is connected between the ends of the two side brush rollers (5), the side brush rollers (5) are used to clean the two sides of the exterior of the vehicle to be washed, and a top brush roller (6) is rotatably connected to the top of the inner side of the gantry (3) for cleaning the top of the outer side of the vehicle to be washed, and a foam spray rack (7) and a cleaning rack (8) are respectively fixed inside the gantry (3) for cleaning the outer surface of the vehicle to be washed; A foam liquid mixing box (11) and a disinfectant liquid mixing box (12) are fixed to the outside of the box body (9); a winding device (14) is installed inside the box body (9); and a plurality of sections of liquid guiding hose (1401) are wound around the outside of the winding device (14); pump bodies are provided between the plurality of sections of liquid guiding hose (1401) and the foam liquid mixing box (11) and the disinfectant liquid mixing box (12) for conveying liquid; and the winding device (14) is used to unwind and rewind the plurality of sections of liquid guiding hose (1401) as the machine body (1) operates.

2. The automatic cleaning machine for medical waste transport vehicle according to claim 1, characterized in that: A drying rack (301) is fixed on one side of the gantry (3) close to the foam spray rack (7), and a drying device (4) is fixedly installed on the outer side of the gantry (3); the drying device (4) and the drying rack (301) are interconnected and are used to blow off the washing water remaining on the surface of the vehicle.

3. The automatic cleaning machine for medical waste transport vehicle according to claim 1, characterized in that: The pump body comprises a first pump (901), a second pump (902) and a third pump (903). The first pump (901), the second pump (902) and the third pump (903) are all fixed on the outside of the box (9). The liquid inlet end of the first pump (901) is connected to the foam liquid proportioning box (11). The liquid outlet end of the first pump (901) is connected to the foam spray rack (7) through a liquid guide hose (1401). The liquid inlet end of the second pump (902) is connected to the disinfectant proportioning box (12). The liquid outlet end of the second pump (902) is connected to the disinfectant ring rack (22) through a liquid guide hose (1401). The liquid inlet end of the third pump (903) is connected to a cleaning water delivery pipe. The liquid outlet end of the third pump (903) is connected to the cleaning rack (8) and the cleaning ring rack (21) through a liquid guide hose (1401).

4. The automatic cleaning machine for medical waste transport vehicle according to claim 1, characterized in that: A slide groove (904) is provided inside the box body (9), and the supporting plate (13) is slidably installed inside the slide groove (904) for adjusting the height of the mobile cleaning vehicle (15) above it. A hydraulic cylinder (905) is fixedly installed inside the box body (9), and a pressure frame (9051) is fixedly installed on the piston end of the hydraulic cylinder (905). The pressure frame (9051) is fixedly connected to the supporting plate (13) and is used to drive the supporting plate (13) to move up and down.

5. The automatic cleaning machine for medical waste transport vehicle according to claim 4, characterized in that: Right-angled limiting plates (1301) are fixed on both sides of the bearing plate (13), and the winding device (14) is installed between the two right-angled limiting plates (1301) and is used to move with the bearing plate (13).

6. The automatic cleaning machine for medical waste transport vehicle according to claim 3, characterized in that: A control panel (10) is fixed on the side of the box (9) for controlling the operation of the pump body.

7. The automatic cleaning machine for medical waste transport vehicle according to claim 1, characterized in that: The bottom of the mobile cleaning vehicle (15) is provided with a plurality of running wheels (1501) for driving the mobile cleaning vehicle (15) to move inside the vehicle to be washed; a cleaning frame (16) is fixedly mounted on the outside of the mobile cleaning vehicle (15); a plurality of telescopic rods (18) are fixedly mounted on the side of the cleaning frame (16); and a telescopic frame (17) is connected to one end of the plurality of telescopic rods (18) away from the cleaning frame (16); and cleaning scrapers (19) are fixedly mounted on the outsides of the telescopic frame (17) and the cleaning frame (16).

8. The automatic cleaning machine for medical waste transport vehicle according to claim 7, characterized in that: A plurality of elastic scrapers (24) are fixedly mounted on the bottom of the cleaning frame (16) and the telescopic frame (17).

9. The automatic cleaning machine for medical waste transport vehicle according to claim 8, characterized in that: The plurality of elastic scrapers (24) are all installed at an angle, and the plurality of elastic scrapers (24) are interlaced with each other.

10. The automatic cleaning machine for medical waste transport vehicle according to claim 1, characterized in that: A side plate (2) is fixedly mounted on the outer side of the machine body (1), and a recovery slot (201) is provided on the top surface of the side plate (2) for recovering waste liquid.

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