CN214590151U

CN214590151U - Multifunctional electrical equipment overhauling device

Info

Publication number: CN214590151U
Application number: CN202120143869.7U
Authority: CN
Inventors: 叶修波; 黄贵生
Original assignee: Guizhou Wujiang Hydropower Development Co ltd Hongjiadu Power Generation Plant; Guizhou Wujiang Hydropower Development Co Ltd
Current assignee: Guizhou Wujiang Hydropower Development Co ltd Hongjiadu Power Generation Plant; Guizhou Wujiang Hydropower Development Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-02
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a multifunctional electrical equipment overhaul device, which comprises a telescopic unit and a dust removal unit, wherein the telescopic unit comprises a first sleeve, a second sleeve positioned in the first sleeve and a clamping component positioned at the top of the second sleeve, one end of the second sleeve extends out of the first sleeve, and the first sleeve and the second sleeve are both arranged in a hollow way; the dust removal unit comprises a dust collection box positioned at the bottom of the first sleeve; the utility model discloses a flexible unit makes the maintainer when overhauing the eminence, need not to go on the maintenance of ascending a height again, when labour saving and time saving, avoided the maintainer because of the dangerous condition appears in the operation of ascending a height, the personal safety of guarantee maintainer during operation; the clamping assembly enables the maintainers to be free from carrying a grounding device in the overhauling process, so that the movement of the maintainers is facilitated; the dust on the surfaces of the electrical equipment and the circuit is removed through the dust removal unit, so that the observation is carried out through the camera in the telescopic unit.

Description

Multifunctional electrical equipment overhauling device

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a multi-functional electrical equipment overhauls device.

Background

The electric energy not only can promote social production, but also can play an important role in daily life of people, so that the electric energy is of great importance in the current society; in the process of supplying electric energy, once the power plant has operation problems, the use of the electric energy by users can be directly influenced; at the present stage, mechanical equipment in a power plant is a link which is easy to have faults or problems, so that in order to ensure the stability and safety of the power energy supply process, the mechanical equipment needs to be maintained and managed correspondingly, so that the normal operation of the mechanical equipment can be ensured, the efficiency and the quality of supplying electric energy by the power plant are improved, the living standard of people is further improved, and the progress and the development of the society are promoted.

At present to the in-process of electrical equipment maintenance, the maintainer often need hand-carry a lot of maintenance tools, for example ladder, earthing device etc. for the maintainer action is very inconvenient, when the maintainer operation of ascending a height, also is not convenient to carry too much instrument.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned problem that the maintainer that exists of multi-functional electrical equipment overhauls the device need hand-carry a lot of maintenance tools and lead to inconvenient action, provided the utility model discloses.

Therefore, the utility model aims at providing a multi-functional electrical equipment overhauls device.

In order to solve the technical problem, the utility model provides a following technical scheme: a multifunctional electrical equipment overhauling device comprises a telescopic unit and a dust removal unit, wherein the telescopic unit comprises a first sleeve, a second sleeve positioned in the first sleeve and a clamping assembly positioned at the top of the second sleeve, one end of the second sleeve extends out of the first sleeve, and the first sleeve and the second sleeve are both arranged in a hollow manner; and the dust removal unit comprises a dust collection box positioned at the bottom of the first sleeve.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the first sleeve is characterized in that limiting grooves are symmetrically and vertically formed in the inner wall of the first sleeve, T-shaped limiting holes are symmetrically and horizontally formed in the outer wall of the first sleeve, a threaded hole is formed in the bottom of the first sleeve, and the threaded hole is communicated with the inner space of the first sleeve.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the T-shaped limiting hole is communicated with the limiting groove, an I-shaped limiting block is arranged in the T-shaped limiting hole, and a button is embedded on the outer wall of the first sleeve.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the bottom of the outer wall of the second sleeve is symmetrically provided with sliding blocks, the sliding blocks are located in the limiting grooves, a funnel is embedded in the bottom of the second sleeve, and the bottom of the funnel is connected with a threaded hole through a corrugated pipe.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: spacing holes are formed in the second sleeve and the sliding block, a first limiting rod is arranged in the spacing holes, the two ends of the first limiting rod are horizontally arranged, holding grooves are formed in the two ends of the first limiting rod, the holding grooves are provided with elastic pieces and clamping blocks, and one ends of the elastic pieces are connected with the inner walls of the holding grooves.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the elastic component other end has cup jointed the second gag lever post, second gag lever post one end and fixture block fixed connection, the size and the spacing looks adaptation of "T" shape of fixture block, it is equipped with the mounting panel to inlay on the second sleeve inner wall, the fixed camera that is provided with on the mounting panel, the dust absorption mouth has vertically been seted up to the camera bilateral symmetry, the screw thread has been seted up at second sleeve top.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the centre gripping subassembly include with second sleeve top threaded connection's visor, fixedly connected with limiting plate is covered in the protection, "T" shape groove has been seted up at the limiting plate top, just the limiting plate top is provided with first holder, second holder and step motor, step motor passes through electric connection with the button.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the T-shaped groove is internally provided with a T-shaped sliding block which is fixedly connected with the second clamping piece, the output end of the stepping motor is fixedly connected with a first screw rod, the first screw rod penetrates through the first clamping piece and the second clamping piece, the first clamping piece is in shaft connection with the first screw rod, and the second clamping piece is in threaded connection with the first screw rod.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the dust collection box is characterized in that a second screw is arranged at the center of the top of the dust collection box, a through hole is formed in the top of the second screw, the through hole is communicated with the inner space of the dust collection box, and a plurality of anti-slip strips are fixedly connected to the outer walls of the dust collection box and the protective cover.

As a preferred scheme of multi-functional electrical equipment overhauls device, wherein: the dust removal unit also comprises an air blower embedded on the inner wall of the second sleeve, and the air blower is communicated with the dust suction port through a corrugated pipe.

The utility model has the advantages that: the utility model discloses a flexible unit makes the maintainer when overhauing the eminence, need not to go on the maintenance of ascending a height again, when labour saving and time saving, avoided the maintainer because of the dangerous condition appears in the operation of ascending a height, the personal safety of guarantee maintainer during operation; the clamping assembly enables the maintainers to be free from carrying a grounding device in the overhauling process, so that the movement of the maintainers is facilitated; get rid of the ash that falls on electrical equipment and circuit surface through the unit that removes dust to observe through the camera in the flexible unit, solved the maintainer and need carry out earlier the ash removal work and just can further carry out the problem of inspection, avoided the condition of maintainer fish tail or electric shock when handling electrical equipment surface dust, further ensure the personal safety of maintainer during operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, 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 according to these drawings without inventive labor. Wherein:

fig. 1 is the utility model discloses portable electrical equipment overhauls device's overall structure schematic diagram.

Fig. 2 is the portable electric equipment overhauls device of the utility model the holistic schematic diagram of structural section.

Fig. 3 is an enlarged schematic view of a structure in fig. 2 of the portable electrical equipment overhauling device of the present invention.

Fig. 4 is an enlarged schematic view of a structure at B in fig. 2 of the portable electrical equipment overhauling device of the present invention.

Fig. 5 is a schematic view of a second sleeve structure of the portable electrical equipment overhauling device of the present invention.

Figure 6 is the utility model discloses multi-functional electrical equipment overhauls device first sleeve structure schematic diagram.

Figure 7 is the utility model discloses multi-functional electrical equipment overhauls device centre gripping subassembly structure sketch map.

Fig. 8 is a schematic view of the dust box structure of the multifunctional electrical equipment overhauling device of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1 to 8, there is provided an overall structural schematic diagram of a multifunctional electrical equipment maintenance device, as shown in fig. 1 to 8, the multifunctional electrical equipment maintenance device includes a telescopic unit 100 for driving a device to be telescopic, a first sleeve 101 and a second sleeve 102, a clamping component 103 for clamping a circuit and having a grounding function, a dust removal unit 200 for cleaning dust on the surface of electrical equipment, and a dust collection box 201 for collecting dust; the utility model discloses a flexible unit makes the maintainer when overhauing the eminence, need not to go on the maintenance of ascending a height again, when labour saving and time saving, avoided the maintainer because of the dangerous condition appears in the operation of ascending a height, the personal safety of guarantee maintainer during operation; the clamping assembly enables the maintainers to be free from carrying a grounding device in the overhauling process, so that the movement of the maintainers is facilitated; get rid of the ash that falls on electrical equipment and circuit surface through the unit that removes dust to observe through the camera in the flexible unit, solved the maintainer and need carry out earlier the ash removal work and just can further carry out the problem of inspection, avoided the condition of maintainer fish tail or electric shock when handling electrical equipment surface dust, further ensure the personal safety of maintainer during operation.

Specifically, the utility model discloses the major structure includes that the drive arrangement carries out flexible unit 100, including the first sleeve 101 that the drive arrangement goes on stretching out and drawing back, the second sleeve 102 that the drive arrangement that is located the inside of first sleeve 101 goes on stretching out and drawing back and be located the centre gripping subassembly 103 that the top of second sleeve 102 carries out the centre gripping to the circuit and play the ground connection effect, the one end of second sleeve 102 extends first sleeve 101, first sleeve 101 and second sleeve 102 are the cavity setting; and a dust removing unit 200 for cleaning dust on the surface of the electrical equipment, which comprises a dust collecting box 201 at the bottom of the first sleeve 101 for collecting dust.

Example 2

Referring to fig. 2-7, this embodiment differs from the first embodiment in that: the telescopic unit 100 for driving the device to stretch further comprises a limiting groove 101a and a T-shaped limiting hole 101b for limiting, a threaded hole 101c for connection and transmission, an I-shaped limiting block 101d for adjusting, a sliding block 102a for limiting the second sleeve 102, a funnel 102b for collecting and transporting dust, a limiting hole 102c and a first limiting rod 102d for limiting, a containing groove 102e for containing an elastic piece 102f and a clamping block 102g, an elastic piece 102f capable of generating elastic deformation, a second limiting rod 102h and a clamping block 102g for limiting, a mounting plate 102i for mounting and fixing, a camera 102j for checking electrical equipment, a dust suction opening 102k for removing dust, a protective cover 103a for protecting the camera 102j, a limiting plate 103b for fixing and mounting, a T-shaped groove 103c and a T-shaped sliding block 103g for limiting, a T-shaped sliding block 103g for limiting, The first clamping piece 103d and the second clamping piece 103e for clamping and grounding the circuit, the stepping motor 103f for driving the second clamping piece 103e to displace and the first screw 103 h.

Furthermore, the protective cover 103a at the top of the first sleeve 101 in the telescopic unit 100 is unscrewed, and then the second sleeve 102 at the inner side of the first sleeve 101 in the telescopic unit 100 is pulled, so that the second sleeve 102 extends out of the first sleeve 101, when the second sleeve 102 extends out of the first sleeve 101, the sliding block 102a is matched with the limiting groove 101a to limit the second sleeve 102, when the sliding block 102a moves to the top of the limiting groove 101a, the elastic part 102f in the accommodating groove 102e is elastically deformed to push out the clamping block 102g in the accommodating groove 102e, so that the clamping block 102g enters the T-shaped limiting hole 101b to fix the second sleeve 102, so that when an overhaul worker overhauls a high place, the climbing overhaul is not needed, time and labor are saved, and the dangerous situation of the overhaul worker due to the climbing operation is avoided, personal safety of guarantee maintainer during operation, when the maintainer inspection affirms that needs repair, screw up visor 103a, through being located button 101e control step motor 103f on first sleeve 101, thereby drive second holder 103e and carry out the displacement, and then realize the centre gripping to the circuit, thereby reach the effect of ground connection, when making things convenient for the maintainer to overhaul, avoid the maintainer to electrocute at the in-process of overhauing, protect maintainer's personal safety.

Specifically, the inner wall of the first sleeve 101 is symmetrically and vertically provided with limiting grooves 101a for limiting, the outer wall of the first sleeve 101 is symmetrically and horizontally provided with T-shaped limiting holes 101b for limiting, the bottom of the first sleeve 101 is provided with threaded holes 101c for connection and transmission, and the threaded holes 101c are communicated with the inner space of the first sleeve 101; the T-shaped limiting hole 101b is communicated with the limiting groove 101a, a button 101e is embedded on the outer wall of the first sleeve 101, and an I-shaped limiting block 101d which plays a role in adjustment is arranged in the T-shaped limiting hole 101 b; the bottom of the outer wall of the second sleeve 102 is symmetrically provided with sliding blocks 102a for limiting the second sleeve 102, the sliding blocks 102a are positioned in the limiting grooves 101a, the bottom of the second sleeve 102 is embedded with a funnel 102b for collecting and transporting dust, and the bottom of the funnel 102b is connected with the threaded hole 101c through a corrugated pipe.

Furthermore, the second sleeve 102 and the sliding block 102a are both provided with a limiting hole 102c for limiting, and a first limiting rod 102d for limiting is arranged in the limiting hole 102 c; both ends of the first limiting rod 102d are horizontally provided with accommodating grooves 102e for accommodating the elastic element 102f and the fixture block 102g, the accommodating grooves 102e are provided with the elastic element 102f capable of generating elastic deformation and the fixture block 102g playing a limiting role, and one end of the elastic element 102f is connected with the inner wall of the accommodating groove 102 e; the other end of the elastic element 102f is sleeved with a second limiting rod 102h which plays a limiting role, and one end of the second limiting rod 102h is fixedly connected with the clamping block 102 g.

Further, the size of the fixture block 102g is matched with the T-shaped limiting hole 101 b; the inner wall of the second sleeve 102 is embedded with a mounting plate 102i for mounting and fixing, the mounting plate 102i is fixedly provided with a camera 102j for checking electrical equipment, two sides of the camera 102j are symmetrically and vertically provided with a dust suction port 102k for removing dust, the top of the second sleeve 102 is provided with a thread, the top of the second sleeve 102 is provided with a protective cover 103a for protecting the camera 102j, and the protective cover 103a is connected with the second sleeve 102 through the thread.

Furthermore, a limiting plate 103b for fixing and installing is fixedly connected to the protective cover 103aa, a T-shaped groove 103c is formed in the top of the limiting plate 103b, a first clamping member 103d for clamping and grounding the circuit, a second clamping member 103e for clamping and grounding the circuit, and a stepping motor 103f for driving the second clamping member 103e to displace are arranged on the top of the limiting plate 103b, and the stepping motor 103f is electrically connected with the button 101 e; a T-shaped sliding block 103g which has a limiting effect is arranged in the T-shaped groove 103c, the T-shaped sliding block 103g is fixedly connected with a second clamping piece 103e, the output end of the stepping motor 103f is fixedly connected with a first screw rod 103h which drives the second clamping piece 103e to move, the first screw rod 103h penetrates through the first clamping piece 103d and the second clamping piece 103e, the first clamping piece 103d is in shaft connection with the first screw rod 103h, and the second clamping piece 103e is in threaded connection with the first screw rod 103 h.

The rest of the structure is the same as in example 1.

Example 3

Referring to fig. 2 and 8, this embodiment differs from the above embodiment in that: the dust removal unit 200 for cleaning dust on the surface of the electrical equipment further comprises a second screw 201a for connection and fixation, a through hole 201b for conveying the dust, an anti-slip strip 201c for preventing a maintainer from slipping when screwing the dust collection box 201 and the protective cover 103a, and a blower 202 for cleaning and collecting the dust on the surface of the electrical equipment, wherein the dust on the surface of the electrical equipment is cleaned and collected through the blower 202 in the dust removal unit 200 and a dust suction port 102k in the telescopic unit, the dust passes through the inner space of the second sleeve 102 along the dust suction port 102k, passes through a funnel 102b, and then enters the dust collection box 201 along the through hole 201b formed in the second screw 201a, so that the problem that the maintainer needs to perform dust removal work first to perform further inspection is solved, and the condition that the maintainer scratches or gets an electric shock when processing the dust on the surface of the electrical equipment is avoided, further guarantee the personal safety of maintainer during operation.

Specifically, a second screw 201a for connection and fixation is arranged at the center of the top of the dust collection box 201, a through hole 201b for transmitting dust is formed in the top of the second screw 201a, the through hole 201b is communicated with the inner space of the dust collection box 201, and a plurality of anti-slip strips 201c for preventing a maintainer from slipping when the dust collection box 201 and the protective cover 103a are screwed are fixedly connected to the outer walls of the dust collection box 201 and the protective cover 103 a; the dust removing unit 200 further includes a blower 202 embedded in the inner wall of the second sleeve 102 for cleaning and collecting dust on the surface of the electrical equipment, and the blower 202 is communicated with the dust suction port 102k through a bellows.

The rest of the structure is the same as in example 2.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a multi-functional electrical equipment overhauls device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the telescopic unit (100) comprises a first sleeve (101), a second sleeve (102) located inside the first sleeve (101) and a clamping assembly (103) located at the top of the second sleeve (102), wherein the first sleeve (101) extends out of one end of the second sleeve (102), and the first sleeve (101) and the second sleeve (102) are both arranged in a hollow mode; and the number of the first and second groups,

the dust removal unit (200) comprises a dust collection box (201) positioned at the bottom of the first sleeve (101).

2. The multifunctional electrical equipment servicing device of claim 1, characterized in that: the inner wall of the first sleeve (101) is symmetrically and vertically provided with limiting grooves (101 a), the outer wall of the first sleeve (101) is symmetrically and horizontally provided with T-shaped limiting holes (101 b), the bottom of the first sleeve (101) is provided with a threaded hole (101 c), and the threaded hole (101 c) is communicated with the inner space of the first sleeve (101).

3. The multifunctional electrical equipment servicing device of claim 2, characterized in that: the T-shaped limiting hole (101 b) is communicated with the limiting groove (101 a), an I-shaped limiting block (101 d) is arranged in the T-shaped limiting hole (101 b), and a button (101 e) is embedded on the outer wall of the first sleeve (101).

4. The multifunctional electrical equipment servicing device of claim 3, characterized in that: the bottom of the outer wall of the second sleeve (102) is symmetrically provided with sliding blocks (102 a), the sliding blocks (102 a) are located in the limiting grooves (101 a), a funnel (102 b) is embedded in the bottom of the second sleeve (102), and the bottom of the funnel (102 b) is connected with a threaded hole (101 c) through a corrugated pipe.

5. The multifunctional electrical equipment servicing device of claim 4, characterized in that: the second sleeve (102) and the sliding block (102 a) are respectively provided with a limiting hole (102 c), a first limiting rod (102 d) is arranged in the limiting hole (102 c), two ends of the first limiting rod (102 d) are respectively horizontally provided with an accommodating groove (102 e), the accommodating groove (102 e) is provided with an elastic piece (102 f) and a clamping block (102 g), and one end of the elastic piece (102 f) is connected with the inner wall of the accommodating groove (102 e).

6. The multifunctional electrical equipment servicing device of claim 5, characterized in that: the other end of the elastic piece (102 f) is sleeved with a second limiting rod (102 h), one end of the second limiting rod (102 h) is fixedly connected with a clamping block (102 g), the size of the clamping block (102 g) is matched with a T-shaped limiting hole (101 b), an installation plate (102 i) is embedded in the inner wall of the second sleeve (102), a camera (102 j) is fixedly arranged on the installation plate (102 i), dust suction ports (102 k) are symmetrically and vertically formed in two sides of the camera (102 j), and threads are formed in the top of the second sleeve (102).

7. The multifunctional electric equipment servicing device of any one of claims 4, 5 and 6, characterized in that: centre gripping subassembly (103) including with second sleeve (102) top threaded connection's visor (103 a), fixedly connected with limiting plate (103 b) on visor (103 a), "T" shape groove (103 c) have been seted up at limiting plate (103 b) top, just limiting plate (103 b) top is provided with first holder (103 d), second holder (103 e) and step motor (103 f), step motor (103 f) passes through electric connection with button (101 e).

8. The multifunctional electrical equipment servicing device of claim 7, characterized in that: the novel stepping motor is characterized in that a T-shaped sliding block (103 g) is arranged in the T-shaped groove (103 c), the T-shaped sliding block (103 g) is fixedly connected with a second clamping piece (103 e), the output end of the stepping motor (103 f) is fixedly connected with a first screw rod (103 h), the first screw rod (103 h) penetrates through the first clamping piece (103 d) and the second clamping piece (103 e), the first clamping piece (103 d) is in shaft connection with the first screw rod (103 h), and the second clamping piece (103 e) is in threaded connection with the first screw rod (103 h).

9. The multifunctional electrical equipment servicing device of claim 8, characterized in that: the dust collection box is characterized in that a second screw rod (201 a) is arranged in the center of the top of the dust collection box (201), a through hole (201 b) is formed in the top of the second screw rod (201 a), the through hole (201 b) is communicated with the inner space of the dust collection box (201), and a plurality of anti-slip strips (201 c) are fixedly connected to the outer walls of the dust collection box (201) and the protective cover (103 a).

10. The multifunctional electrical equipment servicing device of claim 6, characterized in that: the dust removal unit (200) further comprises a blower (202) embedded on the inner wall of the second sleeve (102), and the blower (202) is communicated with the dust suction port (102 k) through a corrugated pipe.