Maintenance and cleaning device for secondary protection screen cabinet of transformer substation

Abstract

The invention relates to the technical field of protection screen cabinet maintenance and cleaning, in particular to a transformer substation secondary protection screen cabinet maintenance and cleaning device which comprises a maintenance platform used in cooperation with a secondary protection screen cabinet body and further comprises an annular brush belt, a height-adjustable cleaning box is connected to the maintenance platform, and a cleaning liquid circulating component is arranged on the cleaning box. A transmission module for driving the annular brush belt to rotate is installed on the inner wall of the cleaning box, and a tensioning module for maintaining tensioning of the annular brush belt and a decontaminating component for squeezing, liquid removing and cleaning of the annular brush belt are installed on the inner wall of the cleaning box. When the cabinet cleaning device is used for cleaning, on one hand, primary dry cleaning, water washing and secondary dry cleaning of a cabinet can be achieved at the same time, and on the other hand, profiling fitting cleaning and reciprocating pressing cleaning can be achieved when the cabinet is cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of protection panel cabinet maintenance and cleaning, and in particular to a maintenance and cleaning device for a secondary protection panel cabinet of a transformer substation. Background Art

[0002] With the rapid development of economy, the construction of substations in my country has also kept pace with the times. The load capacity of a single substation is getting larger and larger, which will inevitably lead to the placement of more devices with display screens in the narrow relay room of the substation.

[0003] The sanitation cleaning of the secondary protection cabinet of the substation is a regular work of the substation, which ensures the overall cleanliness of the secondary protection cabinet, which is conducive to the normal operation and correct action of the relay protection device. However, due to the high top of the secondary protection cabinet, the operation and maintenance personnel need to use a ladder during the cleaning process. The ladder needs to be moved for cleaning at a height, which increases the probability of falling when going up and down the ladder. At the same time, dust is easily splashed during the cleaning process, thereby causing the relay protection device to fail, posing a serious hidden danger to the safety of the power grid. Although some cleaning devices for cabinets have appeared in the prior art, the cleaning devices in the prior art cannot simultaneously realize the primary dry cleaning, water washing and secondary dry cleaning processes of the cabinet during the cleaning operation, and on the other hand, it is not convenient to realize the contour fitting cleaning and reciprocating pressing cleaning during the cabinet cleaning. At the same time, the existing device is not convenient for realizing the self-cleaning maintenance of the cleaning parts during the cleaning operation, and on the other hand, it is not convenient to realize the adaptation and fitting of the components on the cleaning parts cabinet. Based on this, we propose a maintenance and cleaning device for the secondary protection cabinet of the substation. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose a maintenance and cleaning device for a secondary protection panel cabinet of a substation.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a maintenance and cleaning device for a secondary protection panel cabinet of a substation, comprising a maintenance platform used in conjunction with a secondary protection panel cabinet body, and also comprising a ring brush belt, a height-adjustable cleaning box is connected to the maintenance platform, a cleaning liquid circulation component is provided on the cleaning box, a transmission module for driving the ring brush belt to rotate is installed on the inner wall of the cleaning box, a tensioning module for tensioning and maintaining the ring brush belt, a decontamination component for squeezing liquid removal and cleaning the ring brush belt, a dry cleaning and dust removal component for hitting and removing dust from the ring brush belt, and a reciprocating displacement module for reciprocating position change of the ring brush belt are respectively installed on the inner wall of the cleaning box, a pressure roller is connected to the reciprocating displacement module, and the pressure roller is driven and reciprocated by the reciprocating displacement module, a double-axis movable platform is installed on the double-axis movable platform, a positioning roller that can be moved in a double axis is connected to the double-axis movable platform, the positioning roller and the pressure roller are both connected to the ring brush belt, and the surface of the cleaning box is respectively installed with a contour-matching component that cooperates with the ring brush belt and a U-shaped electric heating seat for thermal drying of the ring brush belt.

[0006] Preferably, the maintenance platform comprises a carrier, a group of casters are installed on the bottom surface of the carrier, a vertically arranged screw lifting module is installed on the carrier, and the screw lifting module is transmission-connected to the cleaning box.

[0007] Preferably, the cleaning liquid circulation component includes a liquid storage tank and a sewage storage tank installed on a carrier, a single-chip computer is installed on the sewage storage tank, the liquid storage tank is connected to a liquid delivery pump, the liquid outlet port of the liquid delivery pump is connected to a first bellows, the sewage storage tank is connected to a sewage extraction pump, the sewage extraction port of the sewage extraction pump is connected to a second bellows, and the other ends of the first bellows and the second bellows are both connected to the inner cavity of the cleaning tank.

[0008] Preferably, the transmission module includes an active roller rotatably connected to the inner surface of the cleaning box and driven by a transmission motor, a group of first guide rollers rotatably connected to the cleaning box, and a group of second guide rollers rotatably connected to the inner surface of the cleaning box, the active roller, the first guide roller and the second guide roller are all transmission-connected to the endless brush belt, and the first guide roller is transmission-connected to the first belt.

[0009] Preferably, the tensioning module includes a tensioning frame slidably connected to the inner wall of the cleaning box, and sliders slidably adapted to the tensioning frame are fixedly installed on both side surfaces of the tensioning frame, and tensioning springs are installed on the top and bottom surfaces of the two sliders, each of the tensioning springs is connected to the cleaning box, and a tensioning roller that fits the ring brush belt is rotatably connected between the inner surfaces of the tensioning frame.

[0010] Preferably, the decontamination component includes a first air pump installed on the cleaning box and a squeezing roller rotatably connected to the inner surface of the cleaning box, the squeezing roller is provided with an extrusion ring bag for squeezing and decontaminating the ring brush belt, the ventilation port of the first air pump is connected to the inner cavity of the extrusion ring bag, two brush shafts are rotatably connected between the inner surface of the cleaning box, both of the brush shafts are connected to the first belt drive, and both of the brush shafts are provided with spiral bristles that fit the ring brush belt, and the spiral directions of the two spiral bristles are opposite.

[0011] Preferably, the contoured fitting component includes a contoured pressure bag installed on the side of the cleaning box and arranged opposite to the ring brush belt, a second air pump is installed on the cleaning box, a port of the second air pump is connected to the inner cavity of the contoured pressure bag, and air pressure probes are provided at the connection point between the second air pump and the contoured pressure bag and at the connection point between the first air pump and the extrusion ring bag, and the data end of the air pressure probe is connected to the microcontroller data.

[0012] Preferably, the reciprocating displacement module includes a reciprocating frame and a cam shaft rotatably connected to the cleaning box, a group of elastic reset parts are installed between the reciprocating frame and the cleaning box, and a group of protrusions that fit the reciprocating frame are installed on the cam shaft.

[0013] Preferably, the dry cleaning and dust removal component includes a striking shaft rotatably connected to the cleaning box, the striking shaft is connected to the camshaft through a second belt, an eccentric striking block that fits with the ring brush belt is installed on the camshaft, and a U-shaped dust suction pipe and a negative pressure vacuum cleaner are respectively installed on the cleaning box, the dust suction end of the negative pressure vacuum cleaner is connected to the inner cavity of the U-shaped dust suction pipe through a pipe, and the middle parts of the U-shaped dust suction pipe and the U-shaped electric heating seat are provided with flow channels for the ring brush belt to pass through.

[0014] Preferably, the dual-axis mobile platform includes an axial screw transmission module installed on the cleaning box, the axial screw transmission module is transmission-connected to an axial shift frame, the axial shift frame is installed with a longitudinal screw transmission module, the longitudinal screw transmission module is transmission-connected to a longitudinal shift frame, and the positioning roller is rotatably connected to the longitudinal shift frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. When performing the cleaning operation, the cleaning device can automatically complete the automatic cleaning operation of the secondary protection screen cabinet, and the device can realize the primary dry cleaning, water washing and secondary dry cleaning process of the cabinet body when performing the cleaning operation, and can realize contour-fitting cleaning and reciprocating pressing cleaning when cleaning the cabinet body, thereby effectively improving the cleaning effect of the device on the screen cabinet, and the device can also realize the self-cleaning maintenance of the cleaning parts during the cleaning operation; 2. In the present invention, during dry cleaning and cleaning operations, the camshaft rotates at a set speed. After the camshaft rotates, it drives the reciprocating frame to move back and forth within a set stroke. After the reciprocating frame moves back and forth within the set stroke, it changes the cleaning and pressure strength of the pressure roller and the ring brush belt on the secondary protection screen cabinet body in the cleaning process. By reciprocatingly changing the pressure strength of the ring brush belt on the secondary protection screen cabinet body during cleaning, the cleaning strength and cleaning effect of the ring brush belt on the secondary protection screen cabinet body are effectively improved; 3. In the present invention, when the dry cleaning operation of the secondary protection screen cabinet body is performed, the gas in the extrusion ring bag is fully emptied, and the extrusion ring bag does not squeeze the ring brush belt, so that the ring brush belt can perform dry cleaning operation. When the wet cleaning operation of the secondary protection screen cabinet body is performed, the gas filling amount inside the extrusion ring bag can be controlled by setting the first air pump. By setting the gas filling amount inside the extrusion ring bag, the extrusion strength of the extrusion ring bag on the ring brush belt can be controlled. By controlling the extrusion strength, the humidity content of the ring brush belt during cleaning can be controlled. When the cleaning and self-cleaning of the ring brush belt is performed, the gas filling amount of the extrusion ring bag can be set to control the strength of sewage removal on the ring brush belt, so as to achieve rapid self-cleaning of the ring brush belt. 4. In the present invention, during dry cleaning operation, the ring brush belt rotates at a set speed. When the ring brush belt rotates, the striking shaft rotates synchronously. After the striking shaft rotates, it cooperates with the eccentric striking block to achieve reciprocating striking and dust removal of the ring brush belt. The reciprocating striking and dust removal can maintain the self-decontamination strength of the ring brush belt during dry cleaning operation; 5. In the present invention, a dual-axis movable platform is provided to change the dual-axis position of the positioning roller relative to the cleaning box. The position of the positioning roller relative to the cleaning box is changed back and forth to adjust the continuous contact area per unit time between the ring brush belt and the secondary protection screen cabinet body during cleaning. By adjusting the contact area, the ring brush belt can be suitable for cleaning various area components on the secondary protection screen cabinet body, thereby improving the cleaning compatibility of the cleaning device with various components on the secondary protection screen cabinet body during cleaning. Moreover, by adjusting the cleaning contact area, the cleaning efficiency of the device on the secondary protection screen cabinet body can be effectively improved when cleaning a large area. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a maintenance and cleaning device for a secondary protection panel cabinet of a substation according to the present invention; Figure 2 It is a structural schematic diagram of the endless brush belt and the dirt storage box of the present invention; Figure 3 It is a schematic structural diagram of the transmission motor and the first air pump of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the local enlarged structure at point A in the middle; Figure 5 For the present invention Figure 3 A schematic cross-sectional structure diagram of ; Figure 6 For the present invention Figure 5 A schematic diagram of the local enlarged structure at B in the middle; Figure 7 For the present invention Figure 5 A schematic diagram of the local enlarged structure at C in the middle; Figure 8 It is a schematic diagram of the structure of the tensioning roller and the contoured pressure bag of the present invention; Fig. 9 For the present invention Figure 8 Schematic diagram of the local enlarged structure at point D in the middle.

[0017] 1. Secondary protection screen cabinet body; 2. Annular brush belt; 3. Cleaning box; 4. Pressure roller; 5. Positioning roller; 6. U-shaped electric heating seat; 7. Carrier; 8. Screw lifting module; 9. Tensioning roller; 10. Dirt storage box; 11. Liquid storage box; 12. Single chip microcomputer; 13. Transmission motor; 14. Active roller; 15. First guide roller; 16. Second guide roller; 17. Tensioning frame; 18. Tensioning spring; 19. First air pump; 20. Extrusion roller; 2 1. Extrusion ring bag; 22. Brush shaft; 23. Spiral bristles; 24. Profiled pressure bag; 25. Second air pump; 26. Air pressure probe; 27. Reciprocating frame; 28. Camshaft; 29. ​​Elastic reset member; 30. Bump; 31. Striking shaft; 32. Longitudinal shift frame; 33. Eccentric striking block; 34. U-shaped dust suction pipe; 35. Negative pressure vacuum cleaner; 36. Axial screw transmission module; 37. Axial shift frame; 38. Longitudinal screw transmission module. DETAILED DESCRIPTION

[0018] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0019] like Figure 1-Figure 9 A maintenance and cleaning device for a secondary protection panel cabinet of a substation shown in the figure comprises a maintenance platform used in conjunction with a secondary protection panel cabinet body 1, and also comprises an annular brush belt 2, on which soft bristles are evenly distributed, and the annular brush belt 2 is formed by bonding the ends thereof; The thickness and softness of the ring brush belt 2 can be customized according to actual needs; The head and tail bonding structures of the ring brush belt 2 are arranged so as to facilitate the replacement of the ring brush belt 2; A height-adjustable cleaning box 3 is connected to the maintenance platform; like Figure 1-2 As shown, the maintenance platform includes a carrier 7, a set of casters are installed on the bottom surface of the carrier 7, a vertically arranged screw lifting module 8 is installed on the carrier 7, and the screw lifting module 8 is transmission-connected to the cleaning box 3; By setting the screw rod lifting module 8, the cleaning box 3 is driven to move along the surface of the secondary protection screen cabinet body 1, and then the cleaning operation of the secondary protection screen cabinet body 1 is performed; The screw lifting module 8 is a common component in the prior art and will not be described in detail here; The cleaning box 3 is provided with a cleaning liquid circulation component; The cleaning liquid circulation component includes a liquid storage tank 11 and a dirt storage tank 10 mounted on the carrier 7; The liquid storage tank 11 stores a sufficient amount of cleaning liquid, and the dirty storage tank 10 is used to collect the dirty cleaning liquid; A single chip computer 12 is installed on the dirt storage tank 10, a liquid delivery pump is connected to the liquid storage tank 11, a liquid outlet port of the liquid delivery pump is connected to a first bellows, a sewage pump is connected to the dirt storage tank 10, a sewage pumping port of the sewage pump is connected to a second bellows, and the other ends of the first bellows and the second bellows are both connected to the inner cavity of the cleaning tank 3; When the secondary protection screen cabinet body 1 is wet-cleaned, the cleaning liquid stored in the cleaning box 3 is replaced at a set period; When the cleaning liquid is replaced, the sewage pump first empties the dirty liquid in the cleaning box 3. After the dirty liquid is emptied, the liquid delivery pump quantitatively delivers the cleaning liquid into the cleaning box 3, and then completes the cleaning and replacement of the internal cleaning liquid; The inner wall of the cleaning box 3 is installed with a transmission module for driving the ring brush belt 2 to rotate; like Figure 3-8 As shown, the transmission module includes an active roller 14 rotatably connected between the inner surfaces of the cleaning box 3 and driven by a transmission motor 13, a group of first guide rollers 15 rotatably connected to the cleaning box 3, and a group of second guide rollers 16 rotatably connected between the inner surfaces of the cleaning box 3. The active roller 14, the first guide roller 15, and the second guide roller 16 are all connected to the endless brush belt 2 in a transmission manner, and a first belt is connected to the first guide roller 15 in a transmission manner. The inner walls of the cleaning box 3 are respectively installed with tensioning modules for tensioning and maintaining the endless brush belt 2; like Figure 3-8 As shown, the tensioning module includes a tensioning frame 17 slidably connected to the inner wall of the cleaning box 3, and sliders slidably adapted to the tensioning frame 17 are fixedly installed on both sides of the tensioning frame 17, and tensioning springs 18 are installed on the top and bottom surfaces of the two sliders, and each tensioning spring 18 is connected to the cleaning box 3. A tensioning roller 9 that fits the ring brush belt 2 is rotatably connected between the inner surfaces of the tensioning frame 17; Through the cooperation of the tensioning spring 18, the tensioning frame 17 and the tensioning roller 9, the ring brush belt 2 is always kept tensioned during the cleaning operation of the secondary protection screen cabinet body 1; Decontamination parts used for squeezing liquid removal and cleaning of the ring brush belt 2; like Figure 2-9As shown, the decontamination component includes a first air pump 19 installed on the cleaning box 3, and a squeezing roller 20 rotatably connected between the inner surfaces of the cleaning box 3, and a squeezing ring bag 21 for squeezing and decontaminating the ring brush belt 2 is installed on the squeezing roller 20, and the ventilation port of the first air pump 19 is connected to the inner cavity of the squeezing ring bag 21, and two brush shafts 22 are rotatably connected between the inner surfaces of the cleaning box 3, and the two brush shafts 22 are both connected to the first belt transmission, and the two brush shafts 22 are both installed with spiral bristles 23 that fit the ring brush belt 2, and the spiral directions of the two spiral bristles 23 are opposite; When the secondary protection screen cabinet body 1 is dry-cleaned, the gas in the squeezing ring bag 21 is fully emptied, and the squeezing ring bag 21 does not squeeze the ring brush belt 2, so that the ring brush belt 2 can perform dry-cleaning operations; When the secondary protection screen cabinet body 1 is wet-cleaned, the gas filling amount inside the squeezing ring capsule 21 can be controlled by setting the first air pump 19. By setting the gas filling amount inside the squeezing ring capsule 21, the squeezing strength of the squeezing ring capsule 21 on the ring brush belt 2 can be controlled. By controlling the squeezing strength, the humidity content of the ring brush belt 2 during cleaning can be controlled. When the ring brush belt 2 is being cleaned and self-cleaned, the strength of sewage removal on the ring brush belt 2 can be controlled by setting the gas filling amount of the squeezing ring bag 21, thereby realizing rapid self-cleaning of the ring brush belt 2; Dry-cleaning dust removal parts for the ring brush belt 2 to hit and remove dust; like Figure 3-9 As shown, the dry cleaning dust removal component includes a striking shaft 31 rotatably connected to the cleaning box 3, the striking shaft 31 is connected to the camshaft 28 through a second belt, an eccentric striking block 33 is installed on the camshaft 28 and is in contact with the endless brush belt 2, and a U-shaped dust suction pipe 34 and a negative pressure vacuum cleaner 35 are respectively installed on the cleaning box 3, and the dust suction end of the negative pressure vacuum cleaner 35 is connected to the inner cavity of the U-shaped dust suction pipe 34 through a pipeline; During dry cleaning, the endless brush belt 2 rotates at a set speed. When the endless brush belt 2 rotates, the striking shaft 31 rotates synchronously. After the striking shaft 31 rotates, it cooperates with the eccentric striking block 33 to achieve reciprocating striking and dust removal of the endless brush belt 2. The reciprocating striking and dust removal can maintain the self-decontamination strength of the endless brush belt 2 during dry cleaning. A reciprocating displacement module for reciprocatingly changing the position of the endless brush belt 2; The reciprocating transfer module is connected with a pressure roller 4, and the pressure roller 4 is driven and reciprocated by the reciprocating transfer module; The reciprocating displacement module includes a reciprocating frame 27 and a cam shaft 28 rotatably connected to the cleaning box 3. A group of elastic reset members 29 are installed between the reciprocating frame 27 and the cleaning box 3. A group of protrusions 30 that fit the reciprocating frame 27 are installed on the cam shaft 28. During dry cleaning and cleaning operations, the camshaft 28 rotates at a set speed. After the camshaft 28 rotates, it drives the reciprocating frame 27 to move back and forth within a set stroke. After the reciprocating frame 27 moves back and forth within the set stroke, it changes the cleaning and pressure strength of the pressure roller 4 and the ring brush belt 2 on the secondary protection screen cabinet body 1 in the cleaning process. By reciprocatingly changing the pressure strength of the ring brush belt 2 on the secondary protection screen cabinet body 1 during cleaning, the cleaning strength and cleaning effect of the ring brush belt 2 on the secondary protection screen cabinet body 1 can be effectively improved; A double-axis movable platform is installed on the cleaning box 3, and a double-axis movable positioning roller 5 is connected to the double-axis movable platform. The positioning roller 5 and the pressure roller 4 are both connected to the endless brush belt 2; like Figure 3-9 As shown, the dual-axis mobile platform includes an axial screw drive module 36 installed on the cleaning box 3, the axial screw drive module 36 is connected to the shaft shift frame 37, the shaft shift frame 37 is installed with a longitudinal screw drive module 38, the longitudinal screw drive module 38 is connected to the longitudinal shift frame 32, and the positioning roller 5 is rotatably connected to the longitudinal shift frame 32; By setting up a double-axis moving platform, the double-axis position of the positioning roller 5 relative to the cleaning box 3 is changed, and the continuous contact area per unit time between the ring brush belt 2 and the secondary protection screen cabinet body 1 during cleaning is adjusted by reciprocating the position of the positioning roller 5 relative to the cleaning box 3. By adjusting the contact area, the ring brush belt 2 can be applied to the cleaning operation of various area components on the secondary protection screen cabinet body 1, thereby improving the cleaning adaptability of the cleaning device to the various components on the secondary protection screen cabinet body 1 during cleaning; And by adjusting the cleaning contact area, the cleaning efficiency of the device on the secondary protection screen cabinet body 1 can be effectively improved when cleaning a large area; The surface of the cleaning box 3 is respectively installed with a contour fitting component that matches the endless brush belt 2 and a U-shaped electric heating seat 6 for thermal drying of the endless brush belt 2.

[0020] The contoured fitting component includes a contoured pressure bag 24 installed on the side of the cleaning box 3 and facing the ring brush belt 2. A second air pump 25 is installed on the cleaning box 3. The port of the second air pump 25 is connected to the inner cavity of the contoured pressure bag 24. The connection between the second air pump 25 and the contoured pressure bag 24 and the connection between the first air pump 19 and the extrusion ring bag 21 are both provided with an air pressure probe 26. The data end of the air pressure probe 26 is connected to the data of the single-chip microcomputer 12.

[0021] When it is necessary to improve the fit between the ring brush belt 2 and the upper components of the secondary protection screen cabinet body 1, the fit between the ring brush belt 2 and the upper components of the secondary protection screen cabinet body 1 can be effectively improved by controlling the inflation strength in the contour pressure bag 24, thereby improving the cleaning strength and cleaning contact area of ​​the ring brush belt 2 on the upper components of the secondary protection screen cabinet body 1, and achieving the contour cleaning effect when cleaning the secondary protection screen cabinet body 1; The middle parts of the U-shaped dust suction pipe 34 and the U-shaped electric heating seat 6 are both provided with flow channels for the endless brush belt 2 to pass through.

[0022] The working principle of the present invention is as follows: the device is mainly suitable for the cleaning operation of the secondary protection screen cabinet body 1. During the cleaning, the device first performs dry cleaning on the secondary protection screen cabinet body 1. During the dry cleaning, the ring brush belt 2 is kept dry, and the ring brush belt 2 rotates at a set speed, and then a dry cleaning of the surface of the secondary protection screen cabinet body 1 is realized. After the dry cleaning is completed, the secondary protection screen cabinet body 1 is wet cleaned again. After the wet cleaning is completed, the ring brush belt 2 is dried again and a secondary dry cleaning of the surface of the secondary protection screen cabinet body 1 is realized. When the dry cleaning operation of the secondary protection screen cabinet body 1 is performed, the gas in the squeezing ring bag 21 is fully emptied, and the squeezing ring bag 21 is The ring brush belt 2 is not squeezed, so that the ring brush belt 2 can be dry-cleaned. When the secondary protection screen cabinet body 1 is wet-cleaned, the gas filling amount inside the squeezing ring bag 21 can be controlled by setting the first air pump 19. By setting the gas filling amount inside the squeezing ring bag 21, the squeezing strength of the ring brush belt 2 by the squeezing ring bag 21 can be controlled. By controlling the squeezing strength, the humidity content of the ring brush belt 2 during cleaning can be controlled. When the ring brush belt 2 is cleaned and self-cleaned, the strength of sewage removal on the ring brush belt 2 can be controlled by setting the gas filling amount of the squeezing ring bag 21, so as to achieve rapid self-cleaning of the ring brush belt 2. During dry cleaning operation, the endless brush belt 2 rotates at a set speed. When the endless brush belt 2 rotates, the striking shaft 31 rotates synchronously. After the striking shaft 31 rotates, it cooperates with the eccentric striking block 33 to achieve reciprocating striking and dust removal of the endless brush belt 2. The reciprocating striking and dust removal is used to maintain the self-decontamination strength of the endless brush belt 2 during dry cleaning operations. The biaxial position of the positioning roller 5 relative to the cleaning box 3 is changed by setting a biaxial moving platform. The position of the positioning roller 5 relative to the cleaning box 3 is reciprocated to adjust the continuous contact area per unit time between the endless brush belt 2 and the secondary protection screen cabinet body 1 during cleaning. The contact area Adjustment makes the ring-shaped brush belt 2 applicable to the cleaning operation of various area components on the secondary protection screen cabinet body 1, thereby improving the cleaning adaptability of the cleaning device to various components on the secondary protection screen cabinet body 1 during cleaning; when it is necessary to improve the fit between the ring-shaped brush belt 2 and the components on the secondary protection screen cabinet body 1, the inflation strength in the contoured pressure bag 24 is controlled, thereby effectively improving the fit between the ring-shaped brush belt 2 and the components on the secondary protection screen cabinet body 1, thereby improving the cleaning strength and cleaning contact area of ​​the ring-shaped brush belt 2 on the components on the secondary protection screen cabinet body 1, and achieving the contoured cleaning effect when cleaning the secondary protection screen cabinet body 1.

[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A maintenance and cleaning device for a secondary protection panel cabinet of a substation, comprising a maintenance platform used in conjunction with a secondary protection panel cabinet body (1), characterized in that: It also comprises an endless brush belt (2), the maintenance platform is connected to a height-adjustable cleaning box (3), the cleaning box (3) is provided with a cleaning liquid circulation component, the inner wall of the cleaning box (3) is installed with a transmission module for driving the endless brush belt (2) to rotate, and the inner wall of the cleaning box (3) is respectively installed with a tensioning module for tensioning and maintaining the endless brush belt (2), a decontamination component for squeezing the endless brush belt (2) to remove liquid and clean, a dry cleaning and dust removal component for striking and removing dust from the endless brush belt (2), and a reciprocating movement for changing the position of the endless brush belt (2). A reset and shift module, wherein a pressure roller (4) is connected to the reset and shift module, and the pressure roller (4) is driven by the reset and shift module and is reset and shifted back and forth, a double-axis movable platform is installed on the cleaning box (3), and a double-axis movable positioning roller (5) is connected to the double-axis movable platform, and the positioning roller (5) and the pressure roller (4) are both connected to the endless brush belt (2), and the surface of the cleaning box (3) is respectively installed with a contour-matching component that cooperates with the endless brush belt (2) and a U-shaped electric heating seat (6) for thermal drying of the endless brush belt (2).

2. A substation secondary protection cabinet maintenance and cleaning device according to claim 1, characterized in that: The maintenance platform comprises a carrier (7), a group of casters are mounted on the bottom surface of the carrier (7), a vertically arranged screw lifting module (8) is mounted on the carrier (7), and the screw lifting module (8) is transmission-connected to the cleaning box (3).

3. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 1, characterized in that: The cleaning liquid circulation component comprises a liquid storage tank (11) and a dirt storage tank (10) mounted on a carrier (7); a single chip computer (12) is mounted on the dirt storage tank (10); the liquid storage tank (11) is connected to a liquid delivery pump; a liquid outlet port of the liquid delivery pump is connected to a first bellows; the dirt storage tank (10) is connected to a dirt pump; a dirt pumping port of the dirt pump is connected to a second bellows; the other ends of the first bellows and the second bellows are both connected to the inner cavity of the cleaning tank (3).

4. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 1, characterized in that: The transmission module comprises an active roller (14) rotatably connected between the inner surfaces of the cleaning box (3) and driven by a transmission motor (13), a group of first guide rollers (15) rotatably connected to the cleaning box (3), and a group of second guide rollers (16) rotatably connected between the inner surfaces of the cleaning box (3), the active roller (14), the first guide roller (15) and the second guide roller (16) are all transmission-connected to the endless brush belt (2), and the first guide roller (15) is transmission-connected to a first belt.

5. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 1, characterized in that: The tensioning module comprises a tensioning frame (17) slidably connected to the inner wall of the cleaning box (3), and sliders slidably adapted to the tensioning frame (17) are fixedly mounted on both side surfaces of the tensioning frame (17), and tensioning springs (18) are mounted on the top and bottom surfaces of the two sliders, and each of the tensioning springs (18) is connected to the cleaning box (3), and a tensioning roller (9) in contact with the ring brush belt (2) is rotatably connected between the inner surfaces of the tensioning frame (17).

6. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 4, characterized in that: The decontamination component comprises a first air pump (19) mounted on the cleaning box (3), and an extrusion roller (20) rotatably connected to the inner surface of the cleaning box (3); an extrusion ring bag (21) for extruding and decontaminating the ring brush belt (2) is mounted on the extrusion roller (20); a ventilation port of the first air pump (19) is connected to the inner cavity of the extrusion ring bag (21); two brush shafts (22) are rotatably connected to the inner surface of the cleaning box (3); the two brush shafts (22) are both connected to the first belt transmission; the two brush shafts (22) are both mounted with spiral bristles (23) that fit the ring brush belt (2); and the spiral directions of the two spiral bristles (23) are opposite.

7. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 6, characterized in that: The contour fitting component comprises a contour pressure bag (24) installed on the side of the cleaning box (3) and arranged opposite to the ring brush belt (2); a second air pump (25) is installed on the cleaning box (3); a port of the second air pump (25) is connected to the inner cavity of the contour pressure bag (24); a pressure probe (26) is provided at the connection point between the second air pump (25) and the contour pressure bag (24) and at the connection point between the first air pump (19) and the extrusion ring bag (21); a data end of the pressure probe (26) is connected to the single chip computer (12).

8. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 4, characterized in that: The reciprocating displacement module comprises a reciprocating frame (27) and a cam shaft (28) rotatably connected to the cleaning box (3); a group of elastic reset members (29) are installed between the reciprocating frame (27) and the cleaning box (3); and a group of protrusions (30) that fit the reciprocating frame (27) are installed on the cam shaft (28).

9. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 8, characterized in that: The dry cleaning dust removal component comprises a striking shaft (31) rotatably connected to the cleaning box (3), the striking shaft (31) being transmission-connected to the camshaft (28) via a second belt, the camshaft (28) being provided with an eccentric striking block (33) in contact with the endless brush belt (2), the cleaning box (3) being respectively provided with a U-shaped dust suction pipe (34) and a negative pressure dust collector (35), the dust suction end of the negative pressure dust collector (35) being connected to the inner cavity of the U-shaped dust suction pipe (34) via a pipe, and the middle parts of the U-shaped dust suction pipe (34) and the U-shaped electric heating seat (6) are both provided with a flow channel for the endless brush belt (2) to pass through.

10. A maintenance and cleaning device for a secondary protection cabinet of a substation according to claim 1, characterized in that: The dual-axis mobile platform comprises an axial screw drive module (36) mounted on the cleaning box (3), the axial screw drive module (36) being drivingly connected to an axial shift frame (37), the axial shift frame (37) being mounted with a longitudinal screw drive module (38), the longitudinal screw drive module (38) being drivingly connected to a longitudinal shift frame (32), and the positioning roller (5) being rotatably connected to the longitudinal shift frame (32).

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