Pulmonary tuberculosis sterilization and disinfection device and disinfection method

By designing an automated sterilization and disinfection device for tuberculosis, using electric telescopic rods and motors to drive the wheels and spraying disinfectants in the spray can, the problems of traditional manual disinfection are solved, and efficient and safe disinfection effects are achieved.

CN120381546AInactive Publication Date: 2025-07-29SANYOUHE NETWORK INFORMATION TECH (HEFEI) CO LTD
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Patent Information

Application Number
CN202510550808.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2025-07-29
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional tuberculosis ward disinfection methods rely on manual operations, which are time-consuming and labor-intensive and have a risk of infection, especially to cleaners with low immunity.

Method used

Design a sterilization and disinfection device for tuberculosis, using electric telescopic rods and motors to drive the wheels and spray disinfectant on the spray can to achieve automated disinfection.

Benefits of technology

The automatic movement and spraying of disinfection devices is realized, reducing manual operations, reducing infection risk and improving efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a pulmonary tuberculosis sterilization and disinfection device and a disinfection method, and belongs to a medical disinfection instrument.The disinfection device comprises a base plate, trundles distributed in an array mode are fixed to the lower portion of the base plate, an adjusting assembly is fixed to the upper portion of the base plate, a clamping assembly is fixed to the adjusting assembly, and the disinfection device further comprises a disinfection box and wheels; the clamping assembly comprises a U-shaped support fixed to the lower portion of the connecting rod, air cylinders are fixed to the two sides of the U-shaped support, second driving boxes are fixed to output shafts of the air cylinders, second motors are fixed in the second driving boxes, and clamping grooves are fixed to output shafts of the second motors. According to the disinfection device, the wheels are mounted on the clamping assemblies, the wheels are controlled to move to the front of the supporting plate through cooperation of the first electric telescopic rods and the second electric telescopic rods, the directions of the wheels are adjusted by starting the first motors, and the wheels are controlled to make contact with the ground by contracting the first electric telescopic rods; then a second motor is started to control the disinfection device to automatically move.
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Description

Technical Field

[0001] The present invention belongs to the technical field of medical disinfection devices, and particularly relates to a tuberculosis bactericidal disinfection device and a disinfection method. Background Art

[0002] Tuberculosis, also often referred to as "phthisis", is an infectious respiratory disease caused by Mycobacterium tuberculosis infection. The disease mainly forms lesions in lung tissue, trachea, bronchi and pleura. Susceptible populations of this disease include the elderly with low immunity, HIV-infected individuals, diabetic patients, pneumoconiosis patients, users of immunosuppressants, etc.

[0003] In the treatment ward of tuberculosis, disinfection needs to be carried out frequently. The traditional disinfection method is manual disinfection by cleaning staff. The manual disinfection method is not only time-consuming and laborious, but also most of the cleaning staff are the elderly with low immunity, having a strong risk of infection. To solve the above problems, a tuberculosis bactericidal disinfection device and a disinfection method are provided herein.

[0004] It should be noted that the above content belongs to the technical cognition scope of the inventor and does not necessarily constitute the prior art. Summary of the Invention

[0005] To solve the above problems, the purpose of the present invention is to provide a tuberculosis bactericidal disinfection device and a disinfection method. By installing wheels on the clamping assembly, the wheels are controlled to move in front of the support plate through the cooperation of the first electric telescopic rod and the second electric telescopic rod. By starting the first motor to adjust the orientation of the wheels, and by retracting the first electric telescopic rod to control the wheels to contact the ground, and then starting the second motor to control the wheels to rotate, thereby driving the entire disinfection device to move automatically.

[0006] To achieve the above purpose, the present invention provides a tuberculosis bactericidal disinfection device. The disinfection device includes a chassis, a plurality of casters are fixedly arranged below the chassis, an adjusting assembly is fixedly arranged above the chassis, a clamping assembly is fixedly arranged on the adjusting assembly, and the disinfection device further includes a disinfection box and wheels.

[0007] The clamping assembly includes a U-shaped bracket fixed below the connecting rod. Cylinders are fixedly arranged on both sides of the U-shaped bracket. The output shafts of the cylinders penetrate through the corresponding side plates on the U-shaped bracket and are fixed with second drive boxes. Second motors are fixedly arranged in the second drive boxes. The output shafts of the second motors penetrate through the side plates of the second drive boxes away from the cylinders and are fixed with clamping grooves. First clamping blocks adapted to the clamping grooves are fixedly arranged on both sides of the wheels.

[0008] Further, the adjusting assembly includes a vertical first electric telescopic rod fixed above the chassis. A first driving box is fixed on the output shaft of the first electric telescopic rod. A first motor is fixed inside the first driving box. The output shaft of the first motor penetrates through the top plate of the first driving box and is vertically fixed with a second electric telescopic rod. A vertical connecting rod is fixed below the output shaft of the first electric telescopic rod. The clamping assembly is fixed below the connecting rod.

[0009] Further, one side of the chassis is fixed with a support plate, and two support members are fixed above the support plate. The two support members are respectively used for storing the disinfection box and the wheels.

[0010] Further, the support member includes vertically arranged plates symmetrically distributed, and there is a depression above the vertically arranged plates.

[0011] Further, a press-type sprayer is fixed inside the disinfection box, and the sprayer is filled with a disinfectant.

[0012] Further, the disinfection box includes a box body. One side of the box body is provided with a strip-shaped hole, and the other side is provided with an opening. The disinfection box further includes a plugging plate for plugging the opening.

[0013] A guiding rod is vertically fixed on one side of the box body. A second limiting piece is fixed at the end of the guiding rod away from the box body. A connecting plate is slidably arranged on the guiding rod. The upper end of the connecting plate is fixed with a triangular block, and the lower end and the side of the box body away from the guiding rod are both fixed with second clamping blocks adapted to the clamping grooves. The inclined surface on the triangular block contacts the upper edge of one side of the first limiting piece.

[0014] Further, symmetrically distributed limiting sleeves are fixed on the box body. Linear distribution of sliding grooves are formed on the plugging plate. Driving blocks are slidably arranged in the sliding grooves. Limiting blocks adapted to the limiting sleeves are fixed on the driving blocks. A first spring is fixedly connected between the driving blocks and the sliding grooves. In the natural state of the first spring, the driving blocks are snapped into the corresponding limiting sleeves.

[0015] Further, a sliding shaft is arranged on the top plate of the box body. The upper end of the sliding shaft is fixed with a first limiting piece, and the lower end penetrates through the top plate of the box body and is fixed with a pressing plate. A second spring is fixedly connected between the first limiting piece and the box body.

[0016] Further, a third spring is fixed on the side of the plugging plate facing the inside of the box body, and a limiting plate is fixed on the third spring.

[0017] A disinfection method for a tuberculosis sterilization and disinfection device, the disinfection method includes the following steps: S1: Fix the sprayer; Put the sprayer into the box body, the nozzle on the sprayer passes through the strip-shaped hole, then cover the plugging plate, and make the limiting block insert into the corresponding limiting sleeve.

[0018] S2: Mobile disinfection device; Control the two limit sleeves to be adjusted to correspond to the two first clamping blocks respectively. Then control the clamping groove to be sleeved on the first clamping block to achieve the installation of the wheels. Control the wheels to move in front of the support plate, then adjust the orientation of the wheels, control the wheels to contact the ground, and then control the wheels to rotate, thereby driving the entire disinfection device to move automatically until it moves to the preset position, and then control the clamping component to release the wheels on the corresponding support member.

[0019] S3: Disinfection; Control the two clamping grooves to be sleeved on the two second clamping blocks respectively. Then control the disinfection box to move to the position to be disinfected. Control the two clamping grooves to approach each other to drive the pressure plate to squeeze the nozzles on the spray bottles, so that the spray bottles spray out disinfectant to achieve the disinfection of the current position.

[0020] The tuberculosis bactericidal disinfection device and disinfection method proposed by the present invention can bring the following beneficial effects: 1. The disinfection device of the present invention installs the wheels on the clamping component. Through the cooperation of the first electric telescopic rod and the second electric telescopic rod, the wheels are controlled to move in front of the support plate. By starting the first motor, the orientation of the wheels is adjusted. By retracting the first electric telescopic rod, the wheels are controlled to contact the ground, and then the second motor is started to control the wheels to rotate, thereby driving the entire disinfection device to move automatically; 2. The disinfection device of the present invention installs the disinfection box on the clamping component, and then through the cooperation of the first electric telescopic rod, the first motor and the second electric telescopic rod, the disinfection box is controlled to move to the position to be disinfected. By starting the cylinder, the two clamping grooves are controlled to approach each other, thereby driving the connecting plate to slide on the guide rod, and then controlling the triangular block to squeeze the first limiting piece, and further driving the pressure plate to squeeze the nozzles on the spray bottles, so that the spray bottles spray out disinfectant to achieve the disinfection of the current position. During the disinfection process, by starting the second motor, the spray bottles can be controlled to swing in the vertical direction, so as to expand the disinfection range. Therefore, the disinfection device can realize automatic disinfection, which not only saves labor but also avoids the infection risk of cleaning personnel. Description of the Drawings

[0021] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings: Figure 1 is a schematic structural diagram of a tuberculosis bactericidal disinfection device of the present invention.

[0022] Figure 2 is Figure 1 the enlarged structural diagram at A in

[0023] Figure 3 This is a schematic structural diagram of the disinfection box of the present invention.

[0024] Figure 4 This is a schematic internal structure diagram of the disinfection box of the present invention.

[0025] In the figure: 1, chassis; 2, adjustment component; 3, clamping component; 4, support plate; 5, support member; 6, wheel; 7, disinfection box; 8, sprayer; 11, caster; 21, first electric telescopic rod; 22, first drive box; 22, first electric telescopic rod; 23, first motor; 24, second electric telescopic rod; 25, connecting rod; 31, U-shaped bracket; 32, cylinder; 33, second drive box; 34, second motor; 35, card slot; 51, depression; 61, first clamping block; 71, box body; 72, strip-shaped hole; 73, opening; 74, sealing plate; 75, limiting sleeve; 76, sliding groove; 77, driving block; 78, limiting block; 79, first spring; 710, pressing plate; 711, sliding shaft; 712, first limiting piece; 713, second spring; 714, guiding rod; 715, second limiting piece; 716, connecting plate; 717, second clamping block; 718, triangular block; 719, third spring; 720, limiting plate. Detailed implementation manners

[0026] In order to more clearly illustrate the overall concept of the present invention, the following will be described in detail by way of examples in conjunction with the drawings in the specification.

[0027] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined.

[0029] In the present invention, unless otherwise clearly specified or limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present invention, unless otherwise clearly specified or limited, the first feature being "above" or "below" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. In the description of this specification, the description referring to terms such as "one solution", "some solutions", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the solution or example are included in at least one solution or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same solution or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more solutions or examples.

[0031] An embodiment of the present invention provides a tuberculosis sterilization and disinfection device. The disinfection device includes a chassis 1, on which there are fixedly arranged caster wheels 11 distributed in an array below, and an adjustment assembly 2 fixedly arranged above. A clamping assembly 3 is fixedly arranged on the adjustment assembly 2. On one side of the chassis 1, there is fixedly arranged a support plate 4, and above the support plate 4, there are fixedly arranged two support members 5. The disinfection device further includes a disinfection box 7 and a wheel 6, and the two support members 5 are respectively used for storing the disinfection box 7 and the wheel 6.

[0032] The adjustment assembly 2 includes a vertical first electric telescopic rod 21, which is fixedly arranged above the chassis 1. On the output shaft of the first electric telescopic rod 21, there is fixedly arranged a first drive box 22. Inside the first drive box 22, there is fixedly arranged a first motor 23. The output shaft of the first motor 23 penetrates through the top plate of the first drive box 22 and is vertically fixedly arranged with a second electric telescopic rod 24. Below the output shaft of the first electric telescopic rod 21, there is fixedly arranged a vertical connecting rod 25, and the clamping assembly 3 is fixedly arranged below the connecting rod 25.

[0033] The clamping assembly 3 includes a U-shaped bracket 31 fixedly arranged below the connecting rod 25. On both sides of the U-shaped bracket 31, there are fixedly arranged cylinders 32. The output shafts of the cylinders 32 penetrate through the corresponding side plates on the U-shaped bracket 31 and are fixedly arranged with second drive boxes 33. Inside the second drive boxes 33, there are fixedly arranged second motors 34. The output shafts of the second motors 34 penetrate through the side plates of the second drive boxes 33 away from the cylinders 32 and are fixedly arranged with clamping grooves 35.

[0034] On both sides of the wheel 6, a first clamping block 61 adapted to the clamping groove 35 is fixed.

[0035] The support member 5 includes vertically arranged plates symmetrically distributed, and a depression 51 is provided above the vertically arranged plates, as Figure 2 shown.

[0036] A push-type sprayer 8 is fixed inside the disinfection box 7, and a disinfectant is contained in the sprayer 8.

[0037] The disinfection box 7 includes a box body 71. A strip-shaped hole 72 is provided on one side of the box body 71, and an opening 73 is provided on the other side, as Figure 3 shown. The disinfection box 7 further includes a sealing plate 74 for blocking the opening 73. Symmetrically distributed limiting sleeves 75 are fixed on the box body 71. Linear distribution of sliding grooves 76 are provided on the sealing plate 74. A driving block 77 is slidably arranged in the sliding grooves 76. A limiting block 78 adapted to the limiting sleeve 75 is fixed on the driving block 77. A first spring 79 is fixedly connected between the driving block 77 and the sliding grooves 76. In the natural state of the first spring 79, the driving block 77 is snapped into the corresponding limiting sleeve 75 to realize the limiting of the sealing plate 74.

[0038] A sliding shaft 711 is provided on the top plate of the box body 71. A first limiting piece 712 is fixed at the upper end of the sliding shaft 711, and a pressing plate 710 is fixed at the lower end through the top plate of the box body 71, as Figure 4 shown. A second spring 713 is fixedly connected between the first limiting piece 712 and the box body 71.

[0039] A third spring 719 is fixed on the side of the sealing plate 74 facing the inside of the box body 71, and a limiting plate 720 is fixed on the third spring 719.

[0040] A guide rod 714 is vertically fixed on one side of the box body 71. A second limiting piece 715 is fixed at the end of the guide rod 714 away from the box body 71. A connecting plate 716 is slidably arranged on the guide rod 714. A triangular block 718 is fixed at the upper end of the connecting plate 716. Second clamping blocks 717 adapted to the clamping groove 35 are fixed at the lower end and on the side of the box body 71 away from the guide rod 714. The inclined surface on the triangular block 718 contacts the upper edge of one side of the first limiting piece 712.

[0041] A disinfection method for a tuberculosis bactericidal and disinfection device, the disinfection method includes the following steps: S1: Fix the sprayer 8; Put the sprayer 8 into the box body 71. The nozzle on the sprayer 8 passes through the strip-shaped hole 72, and then cover the sealing plate 74, and make the limiting block 78 insert into the corresponding limiting sleeve 75. At this time, the limiting plate 720 abuts against the sprayer 8 to realize the limiting of the sprayer 8.

[0042] S2: Move the disinfection device; The first electric telescopic rod 21, the first motor 23 and the second electric telescopic rod 24 cooperate to control the two limit sleeves 75 to be adjusted respectively to correspond to the two first clamping blocks 61. The cylinder 32 and the second motor 34 cooperate to control the clamping groove 35 to be sleeved on the first clamping block 61, so as to realize the installation of the wheel 6. The first electric telescopic rod 21 and the second electric telescopic rod 24 cooperate to control the wheel 6 to move in front of the support plate 4. The first motor 23 is started to adjust the orientation of the wheel 6. The first electric telescopic rod 21 is contracted to control the wheel 6 to contact the ground, and then the second motor 34 is started to control the wheel 6 to rotate, so as to drive the whole disinfection device to move automatically until it moves to a preset position, and then the clamping assembly 3 is controlled to release the wheel 6 on the corresponding support member 5.

[0043] S3: Disinfection; Control the two clamping grooves 35 to be sleeved on the two second clamping blocks 717 respectively. Then, the first electric telescopic rod 21, the first motor 23 and the second electric telescopic rod 24 cooperate to control the disinfection box 7 to move to the position to be disinfected. By starting the cylinder 32, the two clamping grooves 35 are controlled to approach each other, so as to push the connecting plate 716 to slide on the guide rod 714, thereby controlling the triangular block 718 to squeeze the first limiting piece 712, and further driving the pressing plate 710 to squeeze the nozzle on the spray pot 8, so that the spray pot 8 sprays the disinfectant to realize the disinfection of the current position. During the disinfection process, by starting the second motor 34, the spray pot 8 can be controlled to swing in the vertical direction, so as to expand the disinfection range.

[0044] Each embodiment in this specification is described in a progressive manner. The same or similar parts among the embodiments can be referred to each other, and the key points of each embodiment are the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiment.

[0045] The above description is only for the embodiments of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A tuberculosis sterilization and disinfection device, the disinfection device comprising a chassis (1), characterized in that, A plurality of casters (11) are fixedly arranged below the chassis (1) in an array, and an adjustment assembly (2) is fixedly arranged above the chassis (1). A clamping assembly (3) is fixedly arranged on the adjustment assembly (2). The disinfection device further includes a disinfection box (7) and wheels (6). The clamping assembly (3) includes a U-shaped bracket (31) fixedly arranged below a connecting rod (25). Cylinders (32) are fixedly arranged on both sides of the U-shaped bracket (31). The output shafts of the cylinders (32) penetrate through the corresponding side plates of the U-shaped bracket (31) and are fixedly connected with a second drive box (33). A second motor (34) is fixedly arranged in the second drive box (33). The output shaft of the second motor (34) penetrates through the side plate of the second drive box (33) away from the cylinder (32) and is fixedly connected with a clamping groove (35). First clamping blocks (61) adapted to the clamping grooves (35) are fixedly arranged on both sides of the wheels (6).

2. The sterilization and disinfection device for pulmonary tuberculosis according to claim 1, characterized in that, The adjustment assembly (2) includes a vertical first electric telescopic rod (21). The first electric telescopic rod (21) is fixedly arranged above the chassis (1). A first drive box (22) is fixedly arranged on the output shaft of the first electric telescopic rod (21). A first motor (23) is fixedly arranged in the first drive box (22). The output shaft of the first motor (23) penetrates through the top plate of the first drive box (22) and is vertically fixedly connected with a second electric telescopic rod (24). A vertical connecting rod (25) is fixedly arranged below the output shaft of the first electric telescopic rod (21). The clamping assembly (3) is fixedly arranged below the connecting rod (25).

3. The sterilization and disinfection device for pulmonary tuberculosis according to claim 2, characterized in that, A support plate (4) is fixedly arranged on one side of the chassis (1). Two support members (5) are fixedly arranged above the support plate (4). The two support members (5) are respectively used for storing the disinfection box (7) and the wheels (6).

4. A tuberculosis sterilization and disinfection device according to claim 3, wherein, The support member (5) includes vertically arranged plates symmetrically distributed, and a depression (51) is arranged above the vertically arranged plates.

5. A tuberculosis sterilization and disinfection device according to claim 4, characterized in that, A press-type sprayer (8) is fixedly arranged in the disinfection box (7), and the sprayer (8) is filled with a disinfectant.

6. The bactericidal and disinfection device for pulmonary tuberculosis according to claim 5, wherein, The disinfection box (7) includes a box body (71). A strip-shaped hole (72) is arranged on one side of the box body (71), and an opening (73) is arranged on the other side. The disinfection box (7) further includes a sealing plate (74) for sealing the opening (73). A guide rod (714) is vertically fixedly arranged on one side of the box body (71). A second limiting piece (715) is fixedly arranged at the end of the guide rod (714) away from the box body (71). A connecting plate (716) is slidably arranged on the guide rod (714). A triangular block (718) is fixedly arranged at the upper end of the connecting plate (716). Second clamping blocks (717) adapted to the clamping grooves (35) are fixedly arranged at the lower end of the connecting plate (716) and on the side of the box body (71) away from the guide rod (714). The inclined surface on the triangular block (718) contacts the upper edge of one side of the first limiting piece (712).

7. A tuberculosis sterilization and disinfection device according to claim 6, characterized in that, A limiting sleeve (75) symmetrically distributed is fixed on the box body (71). A sliding groove (76) linearly distributed is formed in the blocking plate (74). A driving block (77) is slidably arranged in the sliding groove (76). A limiting block (78) adapted to the limiting sleeve (75) is fixed on the driving block (77). A first spring (79) is fixedly connected between the driving block (77) and the sliding groove (76). In the natural state of the first spring (79), the driving block (77) is snapped into the corresponding limiting sleeve (75).

8. A tuberculosis sterilization and disinfection device according to claim 7, characterized in that, A sliding shaft (711) is arranged on the top plate of the box body (71). A first limiting piece (712) is fixed at the upper end of the sliding shaft (711). The lower end penetrates through the top plate of the box body (71) and is fixed with a pressing plate (710). A second spring (713) is fixedly connected between the first limiting piece (712) and the box body (71).

9. A tuberculosis sterilization and disinfection device according to claim 8, characterized in that, A third spring (719) is fixed on the side of the blocking plate (74) facing the inside of the box body (71). A limiting plate (720) is fixed on the third spring (719).

10. The disinfection method of a tuberculosis sterilization and disinfection device according to claim 9, characterized in that, The disinfection method comprises the following steps: S1: Fix the sprayer (8); Put the sprayer (8) into the box body (71). The nozzle on the sprayer (8) passes through the strip-shaped hole (72), then cover the blocking plate (at 74), and make the limiting block (78) insert into the corresponding limiting sleeve (75). S2: Move the disinfection device; Control the two limiting sleeves (75) to be respectively adjusted to correspond to the two first clamping blocks (61), then control the clamping groove (35) to be sleeved on the first clamping block (61) to realize the installation of the wheel (6). Control the wheel (6) to move to the front of the support plate (4), then adjust the orientation of the wheel (6), control the wheel (6) to contact the ground, and then control the wheel (6) to rotate, thereby driving the whole disinfection device to move automatically until it moves to a preset position, and then control the clamping assembly (3) to release the wheel (6) on the corresponding support (5). S3: Disinfect; Control the two clamping grooves (35) to be respectively sleeved on the two second clamping blocks (717), then control the disinfection box (7) to move to the position to be disinfected, and control the two clamping grooves (35) to approach each other to drive the pressing plate (710) to squeeze the nozzle on the sprayer (8), so that the sprayer (8) sprays the disinfectant to realize the disinfection of the current position.