CN113877904A

CN113877904A - Cleaning device and method for power box

Info

Publication number: CN113877904A
Application number: CN202110956600.5A
Authority: CN
Inventors: 房寿海; 李飞; 王文强; 金鑫; 吴涛; 史成海
Original assignee: Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-04

Abstract

The invention provides a cleaning device and a method for a power box, wherein the cleaning device for the power box comprises a support, an auxiliary frame is detachably arranged on the support, a dust suction plate is arranged on the auxiliary frame, at least ten dust suction holes are formed in one side of the dust suction plate, an auxiliary support plate is arranged at the upper end of the support, a dust collector is placed on the auxiliary support plate, and a dust suction port of the dust collector is simultaneously communicated with all the dust suction holes in the dust suction plate, so that dust attached to the surface of the power box can be sucked away by the suction force of the dust collector under the condition of no power outage, and the surface of the power box can be cleaned.

Description

Cleaning device and method for power box

Technical Field

The invention belongs to the technical field of cleaning of power equipment, and particularly relates to a cleaning device and a cleaning method for a power box.

Background

The power box is a common power infrastructure, a large number of power components are installed in the power box, and along with the development of power technology, the power box for mounting various electrical components is also developed sufficiently. A large number of power boxes are generally placed in power supply stations and substations. However, most of the existing power boxes are directly installed outdoors, no protective facilities are provided, the power boxes are easily corroded by rain and damage electronic equipment in rainy days, and a large amount of dust is accumulated on the outer surface of the power box arranged outside, especially at a ventilation opening of the power box. If the dust is not cleaned in time, once the dust enters the power box, various circuit control devices inside the power box can be polluted, and in severe cases, the circuit controller inside the power box can be directly damaged, so that the normal operation of the electronic equipment is influenced, and therefore a cleaning device is needed to regularly clean the surface of the power box. The existing cleaning mode of the power box is generally that the power box is washed or wiped by using clean water directly in a power failure state, so that surface dust is removed. However, in this cleaning mode, power failure is required in the whole cleaning process, which greatly affects the working efficiency of the whole workstation.

Disclosure of Invention

The invention aims to provide and design a cleaning device and a cleaning method for a power box, aiming at the defect that the conventional power box cleaning device needs to perform power failure treatment when the power box is cleaned, so as to solve the technical problem and enable the whole cleaning process to be completed in a state of no power failure.

In order to achieve the above purpose, on one hand, the invention provides a cleaning device for an electric power box, which comprises a bracket, wherein an auxiliary frame is detachably mounted on the bracket, a dust suction plate is arranged on the auxiliary frame, at least ten dust suction holes are formed in one side of the dust suction plate, an auxiliary support plate is arranged at the upper end of the bracket, a dust collector is placed on the auxiliary support plate, and a dust suction port of the dust collector is simultaneously communicated with all the dust suction holes in the dust suction plate, so that dust attached to the surface of the electric power box can be sucked away by the suction force of the dust collector under the condition of no power outage.

The invention is further improved in that the bracket comprises four telescopic upright columns which are vertically arranged, and the top ends of the four telescopic upright columns form four vertexes of a rectangle; a cross beam is arranged between the top ends of the two telescopic stand columns on the same side of the rectangle, a slide rail is arranged on the outer side of the cross beam along the horizontal direction, and the upper end of the auxiliary frame is connected with the cross beam in a sliding manner through the slide rail; each beam is provided with a group of linear driving components which can drive the auxiliary frame to linearly slide back and forth on the corresponding beam along the slide rail; and a rotating assembly is arranged between two adjacent cross beams and can rotate the auxiliary frame from the upper cross beam to the lower cross beam. Therefore, the auxiliary frame is driven to rotate around the power box by controlling the linear driving assembly and the rotating assembly, so that the dust collection plate on the auxiliary frame can sequentially collect dust on four sides of the power box.

The invention further improves the structure that the rotating assembly comprises a rotating driving motor, the output end of the rotating driving motor is in transmission connection with a lead screw, the lead screw is vertically arranged, a locking sleeve is in threaded connection with the lead screw, and the lower end of the locking sleeve is provided with an external thread; the middle part of the upper end of the auxiliary frame is provided with a rotating groove, the wall of the rotating groove is provided with internal threads, and the internal threads in the rotating groove can be meshed with the external threads at the lower end of the locking sleeve. When the swivelling chute was located the lock sleeve below like this, the rotation driving motor drive lead screw is rotatory, and the lead screw drives the lock sleeve and moves down, simultaneously because the crossbeam can carry out direction of height's restraint to auxiliary frame, so the lock sleeve can become a whole with swivelling chute threaded connection after unable lapse, then under the effect of rotation driving motor, drives whole auxiliary frame and rotates.

In a further improvement of the present invention, the auxiliary frame includes a first auxiliary frame and a second auxiliary frame, the first auxiliary frame is provided with a cleaning board, the cleaning board is provided with bristles, and the second auxiliary frame is provided with a dust collection board. Therefore, for some stubborn stains on the surface of the power box, the cleaning plate can be used for cleaning firstly, and then dust collection treatment is carried out.

The invention is further improved in that the front and the back surfaces of the cleaning plate are respectively provided with hard bristles and soft bristles, so that the hardness of the bristles can be flexibly selected according to the condition of the power box when the power box is cleaned.

The invention is further improved in that at least four rows of mounting holes are arranged on the vertical rod of the auxiliary frame along the height direction, the upper end and the lower end of the cleaning plate and the upper end and the lower end of the dust collecting plate are respectively provided with a connecting part, each connecting part is connected with the corresponding auxiliary frame through one row of mounting holes, and the heights of the cleaning plate and the dust collecting plate can be adjusted by using the mounting holes with different heights so as to be adaptive to the power box.

The invention is further improved in that four dust grooves are detachably arranged on the lower part of the bracket along the four cross beams respectively, and dust falling from the upper sweeping plate after the surface of the power box is cleaned by the dust grooves can be collected together, so that secondary pollution caused by the dust falling on the ground is avoided.

The invention is further improved in that the lower end of the support is provided with a caster, so that the position of the whole support can be conveniently adjusted.

In another aspect, the present invention provides a method for cleaning the surface of an electric power box, including the above cleaning apparatus for an electric power box, the method further including the steps of:

the method comprises the following steps: adjusting the height of the bracket, placing the bracket at the electric box, and enabling the electric box to be positioned among the four telescopic support columns, so that the four cross beams on the bracket are respectively opposite to the four side surfaces of the electric box;

step two: arranging a first auxiliary frame on one of the slide rails, and enabling one side, provided with the hard bristles, of the cleaning plate on the first auxiliary frame to be in contact with one surface to be brushed on the power box; then, opening the corresponding linear driving assembly to drive the first auxiliary frame to slide along the corresponding cross beam;

step three: after the previous surface on the electric box is brushed, the linear driving assembly corresponding to the previous surface drives the first auxiliary frame to move to one side until the rotating groove on the first auxiliary frame is opposite to the locking sleeve of the corresponding rotating assembly, the linear driving assembly is closed, the first auxiliary frame is driven by the rotating assembly to rotate 90 degrees in the direction close to the electric box, and the side, provided with the hard bristles, of the cleaning plate on the first auxiliary frame is opposite to the next surface to be brushed on the electric box; then, opening a linear driving assembly corresponding to the surface, and driving the first auxiliary frame to slide along the corresponding cross beam through the linear driving assembly;

step four: installing a second auxiliary frame on a slide rail corresponding to the brushed surface of the power box, and enabling one side of a dust collection plate on the second auxiliary frame, which is provided with a dust collection hole, to be opposite to the brushed surface of the power box; then, the corresponding linear driving assembly is started, and the second auxiliary frame is driven to slide along the corresponding cross beam through the corresponding linear driving assembly;

step five: after the last surface of the power box finishes dust collection treatment and the next surface finishes brushing, the linear driving assembly corresponding to the last surface drives the second auxiliary frame to move to one side until the rotating groove on the second auxiliary frame is opposite to the locking sleeve of the corresponding rotating assembly, the corresponding linear driving assembly is closed, and the corresponding rotating assembly drives the second auxiliary frame to rotate 90 degrees in the direction close to the power box, so that the side, provided with the dust collection hole, of the dust collection plate on the second auxiliary frame is opposite to the next surface to be collected dust after brushing on the power box; and then, the corresponding linear driving assembly is started, and the second auxiliary frame is driven to slide along the corresponding cross beam through the corresponding linear driving assembly, so that the dust collection treatment of the second surface is completed.

According to the technical scheme, the invention has the following advantages: when the power box is cleaned by the power box cleaning device, the auxiliary frame can be driven to move among the four cross beams by the rotating assembly and the linear driving assembly, so that the auxiliary frame rotates around the whole power box to clean the four side surfaces of the power box. And power failure treatment is not needed in the whole cleaning process. In addition, the dust attached to the power box can be directly sucked away by the dust suction plate and the dust collector, and the brush hair can be used for brushing, so that stubborn stains which cannot be sucked away are prevented from remaining on the surface of the power box.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a first schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a second schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the rotary slot of the present invention.

In the figure: 1. the cleaning device comprises a support, 2, a first telescopic upright post, 3, a caster, 4, a first auxiliary frame, 5, a cleaning plate, 6, a connecting part, 7, a third rotating assembly, 8, a first rotating assembly, 9, a fourth rotating assembly, 10, a dust collector, 11, a dust collecting plate, 12, a second auxiliary frame, 13, a rotating assembly, 14, a second telescopic upright post, 15, a sliding rail, 16, a locking sleeve, 17, a rotary driving motor, 18, a second cross beam, 19, a fourth cross beam, 20, a first cross beam, 21, a third cross beam, 22, a second rotating assembly, 23, a cross beam, 24, an auxiliary frame, 25 and a rotating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, in one aspect, the present invention provides a cleaning apparatus for an electric power box, which includes an auxiliary frame 24 and a portal-shaped bracket 1 capable of being extended and retracted in a height direction. The support 1 comprises four vertically-arranged telescopic stand columns, and the top ends of the four telescopic stand columns form four rectangular vertexes. Further, the four telescopic columns comprise two first telescopic columns 2 and two second telescopic columns 14. The two first telescopic columns 2 are located at the front ends of the support 1, the two second telescopic columns 14 are located at the rear ends of the support 1, first cross beams 20 are connected between the top ends of the two first telescopic columns 2, second cross beams 18 are connected between the top ends of the two second telescopic columns 14, third cross beams 21 are connected between the top ends of the first telescopic columns 2 and the second telescopic columns 14 located at the left end of the support 1, fourth cross beams 19 are connected between the top ends of the first telescopic columns 2 and the second telescopic columns 14 located at the right end of the support 1, the first cross beams 20, the second cross beams 18, the third cross beams 21 and the fourth cross beams 19 are preferably located on the outer sides of the corresponding telescopic columns, and the lower surfaces of the first cross beams 20, the second cross beams 18, the third cross beams 21 and the fourth cross beams 19 are located in the same horizontal plane.

Furthermore, the first cross beam 20 is also provided with a first slide rail and a first linear driving assembly; a second slide rail and a second linear driving assembly are arranged on the second cross beam 18; a third slide rail and a third linear driving assembly are arranged on the third cross beam 21; the fourth cross beam 19 is provided with a fourth slide rail and a fourth linear driving assembly, the first slide rail, the second slide rail, the third slide rail and the fourth slide rail have the same structure and are horizontal slide rails, the first linear driving assembly, the second linear driving assembly, the third linear driving assembly and the fourth linear driving assembly have the same structure, and the four groups of linear driving assemblies can adopt transmission mechanisms such as a gear rack mechanism and a chain wheel mechanism in the prior art. The auxiliary frame 24 is detachably mounted on the first cross beam 20, the second cross beam 18, the third cross beam 21 or the fourth cross beam 19, and the auxiliary frame 24 can slide linearly along the corresponding slide rail 15 under the action of the corresponding linear driving assembly. Specifically, the first slide rail, the second slide rail, the third slide rail and the fourth slide rail are respectively slide grooves arranged on the side surfaces of the corresponding beams 23, and a slide block matched with the first slide rail is arranged on the side surface of the upper end of the auxiliary frame 24, so that the auxiliary frame 24 can respectively slide linearly on the first beam 20, the second beam 18, the third beam 21 and the fourth beam 19 through the slide block and the slide grooves.

In addition, a first rotating assembly 8 is further provided in a gap between an end of the first beam 20 and an end of the third beam 21, a third rotating assembly 7 is further provided in a gap between an end of the third beam 21 and an end of the second beam 18, a second rotating assembly 22 is further provided in a gap between an end of the second beam 18 and an end of the fourth beam 19, and a fourth rotating assembly 9 is further provided in a gap between an end of the fourth beam 19 and an end of the first beam 20. The first rotating assembly 8, the second rotating assembly 22, the third rotating assembly 7 and the fourth rotating assembly 9 are identical in structure, and after the auxiliary frame 24 is in contact with the corresponding rotating assembly 13, the corresponding rotating assembly 13 can drive the auxiliary frame 24 to rotate.

Specifically, taking the first rotating assembly 8 as an example, the first rotating assembly 8 includes a first rotating driving motor, an output end of the first rotating driving motor is connected with a lead screw in a transmission manner, the lead screw is vertically arranged, a locking sleeve 16 is connected to the lead screw in a threaded manner, and an external thread is arranged at a lower end of the locking sleeve 16. And a rotating groove 25 is formed in the middle of the upper end of the auxiliary frame 24, an internal thread is formed on the wall of the rotating groove 25, and the internal thread in the rotating groove 25 can be engaged with the external thread at the lower end of the locking sleeve 16. When the rotary groove 25 is located below the locking sleeve 16, the first rotary driving motor drives the screw rod to rotate, the screw rod drives the locking sleeve 16 to move downwards, and meanwhile, the first cross beam 20 can restrain the auxiliary frame 24 in the height direction, so that the auxiliary frame 24 is prevented from moving downwards along with the locking sleeve 16, the locking sleeve 16 cannot move downwards and then is connected with the rotary groove 25 into a whole through threads, and the whole auxiliary frame 24 is driven to rotate under the action of the first rotary driving motor.

In addition, the two auxiliary frames 24 are preferably two, and the two auxiliary frames 24 are respectively a first auxiliary frame 4 and a second auxiliary frame 12, wherein the first auxiliary frame 4 is provided with a cleaning plate 5 for cleaning dirt on the surface of the power box, and the second auxiliary frame 12 is provided with a dust suction plate 11 for sucking dust on the surface of the power box. Specifically, at least four rows of mounting holes are formed in the vertical rod of the auxiliary frame 24 in the height direction, one connecting portion 6 is arranged at each of the upper end and the lower end of the cleaning plate 5 and the upper end and the lower end of the dust collection plate 11, each connecting portion 6 is connected with the corresponding auxiliary frame 24 through one row of mounting holes, and the heights of the cleaning plate 5 and the dust collection plate 11 can be adjusted by using the mounting holes with different heights so as to be suitable for the power box.

Further, both sides of the auxiliary frame 24 are provided with sliders, and the front and rear surfaces of the sweeping plate 5 are provided with bristles, wherein the bristles on one surface are hard bristles, and the bristles on the other surface are soft bristles. At least ten dust absorption holes are formed in one side of the dust absorption plate 11, and the dust absorption holes are uniformly distributed in the dust absorption plate. An auxiliary supporting plate is arranged at the upper end of the bracket 1, a dust collector 10 is placed on the auxiliary supporting plate, and a dust suction port of the dust collector 10 is simultaneously communicated with all dust suction holes on the dust suction plate 11, so that the suction force of the dust collector 10 is transmitted to the dust suction holes on the dust suction plate 11. Furthermore, preferably, in order to collect dust and the like falling in the cleaning process, four dust grooves are detachably mounted on the support 1 along the first beam 20, the second beam 18, the third beam 21 and the fourth beam 19 respectively at the lower part of the support 1, so that the dust falling after the upper cleaning plate 5 cleans the surface of the power box is collected together through the dust grooves, and the dust is prevented from falling on the ground to cause secondary pollution.

In another aspect, the present invention further provides a method for cleaning the surface of an electric box, which includes the above cleaning device for an electric box, and includes the following steps:

the method comprises the following steps: adjusting the height of the support 1 to be adapted to the height of the power box to be cleaned, then placing the support 1 at the position of the power box to be cleaned, enabling the power box to be located among the four telescopic supports, and enabling the first cross beam 20, the second cross beam 18, the third cross beam 21 and the fourth cross beam 19 to be opposite to the four side surfaces of the power box respectively;

step two: arranging a first auxiliary frame 4 on a first slide rail, and enabling one side, provided with hard bristles, of a cleaning plate 5 on the first auxiliary frame 4 to be in contact with one surface to be brushed of the power box; then, starting the first linear driving assembly, driving the first auxiliary frame 4 to slide left and right along the first cross beam 20, and brushing off stains on the surface of the power box in the sliding process;

step three: when stains on the first surface of the power box are cleaned, the first linear driving assembly drives the first auxiliary frame 4 to slide along the first slide rail to the direction of the third slide rail, until the rotating groove 25 on the first auxiliary frame 4 is opposite to the locking sleeve 16 of the first rotating assembly 8, the first linear driving assembly is closed, the first rotating driving motor is started, the first auxiliary frame 4 is driven by the first rotating driving motor to rotate for 90 degrees in the direction close to the power box, and one side, provided with the hard bristles, of the cleaning plate 5 on the first auxiliary frame 4 is opposite to a second surface to be cleaned on the power box; then, the third linear driving assembly is started, and the first auxiliary frame 4 is driven to slide back and forth along the third cross beam 21 through the third linear driving assembly;

step four: mounting a second auxiliary frame 12 on the first slide rail, and enabling one side, provided with a dust suction hole, of the dust suction plate 11 on the second auxiliary frame 12 to be opposite to the surface, which is just brushed, of the power box; then, the first linear driving assembly is started, and the second auxiliary frame 12 is driven to slide left and right along the first cross beam 20 through the first linear driving assembly;

step five: when stains on the second surface of the power box are cleaned, the third linear driving assembly drives the first auxiliary frame 4 to slide along the third slide rail to the direction of the second slide rail until the rotary groove 25 on the first auxiliary frame 4 is opposite to the locking sleeve 16 of the third rotary assembly 7, the third linear driving assembly is closed, the third rotary driving motor is started, the first auxiliary frame 4 is driven to rotate for 90 degrees in the direction close to the power box through the third rotary driving motor, and one side, provided with the hard bristles, of the cleaning plate 5 on the first auxiliary frame 4 is opposite to a third surface to be cleaned on the power box; then, the second linear driving assembly is started, and the first auxiliary frame 4 is driven to slide left and right along the second cross beam 18 through the second linear driving assembly;

step six: after the dust collection treatment of the first surface on the power box is completed, the first linear driving assembly drives the second auxiliary frame 12 to slide along the first slide rail to the direction of the third slide rail, until the rotating groove 25 on the second auxiliary frame 12 is opposite to the locking sleeve 16 of the first rotating assembly 8, the first linear driving assembly is closed, the first rotating driving motor is started, the second auxiliary frame 12 is driven to rotate 90 degrees in the direction close to the power box by the first rotating driving motor, and one side, provided with a dust collection hole, of the dust collection plate 11 on the second auxiliary frame 12 is opposite to a second surface to be collected dust on the power box; then, the third linear driving assembly is started, and the second auxiliary frame 12 is driven by the third linear driving assembly to slide back and forth along the third cross beam 21;

step seven: when stains on the third surface of the power box are brushed, the second linear driving assembly drives the first auxiliary frame 4 to slide along the second slide rail to the fourth slide rail direction until the rotary groove 25 on the first auxiliary frame 4 is opposite to the locking sleeve 16 of the second rotary assembly 22, the second linear driving assembly is closed, the second rotary driving motor is started, the first auxiliary frame 4 is driven to rotate for 90 degrees in the direction close to the power box by the second rotary driving motor, and one side, provided with the hard bristles, of the cleaning plate 5 on the first auxiliary frame 4 is opposite to the fourth surface to be brushed on the power box; then, a fourth linear driving assembly is started, the first auxiliary frame 4 is driven by the fourth linear driving assembly to slide back and forth along the fourth cross beam 19 until the fourth surface is cleaned, and the first auxiliary frame 4 is taken down from the fourth cross beam 19;

step eight: after the dust collection treatment of the second surface on the power box is completed, the third linear driving assembly drives the second auxiliary frame 12 to slide along the third slide rail to the direction of the second slide rail until the rotary groove 25 on the second auxiliary frame 12 is opposite to the locking sleeve 16 of the third rotary assembly 7, the third linear driving assembly is closed, the third rotary driving motor is started, the second auxiliary frame 12 is driven to rotate for 90 degrees in the direction close to the power box by the third rotary driving motor, and one side of the dust collection plate 11 on the second auxiliary frame 12, which is provided with the dust collection hole, is opposite to the third surface to be collected dust on the power box; then, the second linear driving assembly is started, and the second auxiliary frame 12 is driven to slide left and right along the second cross beam 18 through the second linear driving assembly;

step nine: after the dust collection treatment of the third surface on the power box is completed, the second linear driving assembly drives the second auxiliary frame 12 to slide along the second slide rail to the fourth slide rail direction, until the rotating groove 25 on the second auxiliary frame 12 is opposite to the locking sleeve 16 of the second rotating assembly 22, the second linear driving assembly is closed, the second rotating driving motor is started, the second auxiliary frame 12 is driven to rotate by 90 degrees in the direction close to the power box by the second rotating driving motor, and the side, provided with the dust collection hole, of the dust collection plate 11 on the second auxiliary frame 12 is opposite to the fourth surface to be collected dust on the power box; and then, starting the fourth linear driving assembly, driving the second auxiliary frame 12 to slide back and forth along the fourth cross beam 19 through the fourth linear driving assembly until the fourth surface finishes dust collection, and taking the second auxiliary frame 12 off the fourth cross beam 19.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a cleaning device for power box, its characterized in that, includes support (1), demountable installation has auxiliary frame (24) on support (1), be provided with dust absorption board (11) on auxiliary frame (24), one side of dust absorption board (11) is provided with ten at least dust absorption holes, the upper end of support (1) is provided with auxiliary support plate, dust catcher (10) have been placed in the auxiliary support plate, the dust absorption mouth of dust catcher (10) communicates with all dust absorption holes on dust absorption board (11) simultaneously.

2. The cleaning device for the power box as claimed in claim 1, wherein the bracket comprises four telescopic columns vertically arranged, and the top ends of the four telescopic columns form four vertexes of a rectangle; a cross beam (23) is arranged between the top ends of the two telescopic vertical columns on the same side of the rectangle, a slide rail (15) is arranged on the outer side of the cross beam (23) along the horizontal direction, and the upper end of the auxiliary frame (24) is connected with the cross beam (23) in a sliding manner through the slide rail (15); each cross beam (23) is provided with a group of linear driving components, and the linear driving components can drive the auxiliary frames (24) to linearly slide back and forth on the corresponding cross beams (23) along the slide rails (15); a rotating assembly (13) is arranged between two adjacent cross beams (23), and the rotating assembly (13) can rotate the auxiliary frame (24) from the previous cross beam (23) to the next cross beam (23).

3. The cleaning device for the electric power box according to claim 2, characterized in that the rotating assembly (13) comprises a rotating driving motor (17), the output end of the rotating driving motor (17) is in transmission connection with a lead screw, the lead screw is vertically arranged, a locking sleeve (16) is in threaded connection with the lead screw, and the lower end of the locking sleeve (16) is provided with an external thread; the middle part of the upper end of the auxiliary frame (24) is provided with a rotating groove (25), the groove wall of the rotating groove (25) is provided with an internal thread, and the internal thread in the rotating groove (25) can be meshed with the external thread at the lower end of the locking sleeve (16).

4. The cleaning device for an electric power box according to claim 3, characterized in that the auxiliary frame (24) comprises a first auxiliary frame (4) and a second auxiliary frame (12), wherein a sweeping board (5) is arranged on the first auxiliary frame (4), bristles are arranged on the sweeping board (5), and a dust suction board (11) is arranged on the second auxiliary frame (12).

5. A cleaning device for an electric power box according to claim 4, characterized in that the front and back surfaces of the sweeping board (5) are provided with hard bristles and soft bristles, respectively.

6. The cleaning device for the electric power box as claimed in claim 4, wherein at least four rows of mounting holes are provided in the vertical rod of the auxiliary frame (24) in the height direction, one connecting portion (6) is provided at each of the upper and lower ends of the sweeping plate (5) and the upper and lower ends of the dust suction plate (11), and each connecting portion (6) is connected with the corresponding auxiliary frame (24) through one row of mounting holes.

7. A cleaning device for electric power boxes according to claim 2, characterized in that at the lower part of the bracket, four dust chutes are detachably mounted on the bracket (1) along four cross beams (23), respectively.

8. A cleaning device for electric power boxes according to claim 7, characterized in that the lower end of the bracket (1) is provided with castors (3).

9. A method of cleaning the surface of an electric power box, comprising a cleaning apparatus for an electric power box according to any one of claims 1 to 8, the method comprising the steps of:

the method comprises the following steps: the height of the support (1) is adjusted, the support (1) is placed at the electric box, the electric box is located among the four telescopic support columns, and the four cross beams (23) on the support (1) are opposite to the four side faces of the electric box respectively;

step two: arranging a first auxiliary frame (4) on one of the slide rails (15), and enabling one side, provided with hard bristles, of a cleaning plate (5) on the first auxiliary frame (4) to be in contact with one surface to be brushed on the electric box; then, the corresponding linear driving assembly is started to drive the first auxiliary frame (4) to slide along the corresponding cross beam (23);

step three: after the previous surface on the electric box is brushed, the linear driving assembly corresponding to the previous surface drives the first auxiliary frame (4) to move towards one side until the rotating groove (25) on the first auxiliary frame (4) is opposite to the locking sleeve (16) of the corresponding rotating assembly (13), the linear driving assembly is closed, the first auxiliary frame (4) is driven to rotate 90 degrees towards the direction close to the electric box through the rotating assembly (13), and one side, provided with the hard bristles, of the cleaning plate (5) on the first auxiliary frame (4) is opposite to the next surface to be brushed on the electric box; then, starting a linear driving assembly corresponding to the surface, and driving the first auxiliary frame (4) to slide along the corresponding cross beam (23) through the linear driving assembly;

step four: installing a second auxiliary frame (12) on a slide rail corresponding to one surface of the power box which is brushed, and enabling one side, provided with a dust absorption hole, of a dust absorption plate (11) on the second auxiliary frame (12) to be opposite to one surface of the power box which is brushed; then, the corresponding linear driving assembly is started, and the second auxiliary frame (12) is driven to slide along the corresponding cross beam (23) through the corresponding linear driving assembly;

step five: after the last surface of the power box finishes dust collection treatment and the next surface finishes brushing, the linear driving assembly corresponding to the last surface drives the second auxiliary frame (12) to move to one side until the rotary groove (25) on the second auxiliary frame (12) is opposite to the locking sleeve (16) of the corresponding rotary assembly (13), the corresponding linear driving assembly is closed, the corresponding rotary assembly (13) drives the second auxiliary frame (12) to rotate 90 degrees in the direction close to the power box, and one side, provided with a dust collection hole, of the dust collection plate (11) on the second auxiliary frame (12) is opposite to the next surface to be cleaned after brushing on the power box; and then, starting the corresponding linear driving assembly, and driving the second auxiliary frame (12) to slide along the corresponding cross beam (23) through the corresponding linear driving assembly.