Electric power working well

Through the innovative connection structure of the bottom plate, column and side plate, convenient installation and flexible adjustment of power work wells are achieved, and the problems of high construction difficulty and high cost in the existing technology are solved, and the installation efficiency of power work wells and the flexibility of circuit adjustment are improved.

CN223293078UActive Publication Date: 2025-09-02SHENZHEN POWER SUPPLY PLANNING DESIGN INST
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Patent Information

Application Number
CN202422432730.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-09-02
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The construction of existing power work wells is difficult and costly, and when modifying the circuit direction, it is necessary to destroy the original structure and re-lay the cables.

Method used

The bottom plate, column and side plate structure is adopted, and the columns are equipped with connecting columns and connecting grooves. The side plates are directly plugged into the connecting grooves of adjacent columns, improving installation convenience and flexibility, and circuit adjustment is achieved by adjusting the position of the side plates.

Benefits of technology

It reduces the maintenance and modification costs of power work wells, improves installation efficiency, flexibility and adjustability of power work wells, and reduces construction difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric power working well, and relates to the technical field of cable laying, the electric power working well comprises a bottom plate, columns and side plates, the bottom plate is provided with four connecting holes at intervals along the circumferential direction; four connecting columns are arranged on the end faces of the stand columns at intervals in the circumferential direction of the stand columns, the connecting columns penetrate through the connecting holes, the four stand columns are connected to the four connecting holes respectively, connecting grooves are formed in the stand columns in the axial direction of the stand columns, the four connecting grooves are formed at intervals in the circumferential direction of the stand columns, and the connecting grooves of every two adjacent stand columns are arranged oppositely; and first connecting plates are arranged on the two sides of the side plates correspondingly, the first connecting plates are inserted into the connecting grooves, and the two sides of the side plates are inserted into the two adjacent stand columns correspondingly. Due to the fact that one stand column can be connected to the four bottom plates and the four side plates at the same time, the flexibility and applicability of installation of the electric power working well are improved. And if the laying of the working well needs to be changed, adjustment can be directly carried out on the original electric working well, the whole electric working well does not need to be damaged, the adjustability and flexibility of the electric working well are improved, and the maintenance cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of cable laying, in particular to an electric power working well. Background Art

[0002] In the relevant technology, the power working shaft is mainly manufactured by two methods: on-site casting and prefabrication. The prefabricated power working shaft is large in size and heavy in weight, which is not conducive to the lifting of the power working shaft. Moreover, after the power working shaft manufactured by the on-site casting and prefabrication methods is completed, if it is necessary to modify the circuit direction, increase or change the passage opening of the power working shaft, it is necessary to destroy the original power working shaft and re-lay the cable, which makes the construction difficult and costly. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, to provide an electric working well, to improve the flexibility and adjustability of repairing the electric working well, and to reduce maintenance costs.

[0004] According to an embodiment of the utility model, there is provided an electric working shaft, comprising: a bottom plate, a column and a side plate, wherein the bottom plate is provided with four connecting holes at intervals along its circumference; the end face of the column is provided with four connecting columns at intervals along its circumference, the connecting columns pass through the connecting holes, and the four columns are respectively connected to the four connecting holes, the column is provided with a connecting groove along its axial direction, the four connecting grooves are arranged at intervals along the circumference of the column, and the connecting grooves of two adjacent columns are arranged facing each other; first connecting plates are respectively provided on both sides of the side plate, the first connecting plates are plugged into the connecting grooves, and the two sides of the side plate are respectively plugged into the two adjacent columns.

[0005] The electric working shaft described in the present invention has at least the following beneficial effects: the connecting grooves of adjacent columns are arranged facing each other, so that the side panels can be plugged into any two adjacent columns. Since the side panels are directly plugged into the two adjacent columns, and the connecting columns of the columns are plugged into the connecting holes of the bottom plate, the installation convenience of the electric working shaft is improved, the installation and disassembly of the electric working shaft is facilitated, and the maintenance cost is reduced. Since the column is provided with four connecting columns and four connecting grooves, one column can be connected to four bottom plates and four side panels at the same time, which improves the flexibility and applicability of the installation of the electric working shaft. If it is necessary to change the conduction direction of the cable, the side panel can be directly pulled out along the axial direction of the column, and then the position of the side panel relative to the bottom plate can be adjusted as needed. It can be adjusted directly on the original electric working shaft without damaging the entire electric working shaft, thereby improving the adjustability and flexibility of the electric working shaft and reducing modification and maintenance costs.

[0006] According to an electric working shaft described in the utility model, the side plate is provided with a first abutting portion, the first abutting portion extends outward from the first connecting plate, and the first abutting portion abuts against the end surface of the column away from the bottom plate.

[0007] According to the electric working shaft described in the utility model, a first cavity is provided inside the side plate, and a second cavity is provided inside the column.

[0008] According to the utility model, an electric working shaft is also provided with a cover plate, which abuts against the end face of the column away from the bottom plate, and a first recessed portion is provided on the side of the side plate away from the bottom plate, and the end of the cover plate is located in the first recessed portion.

[0009] According to the electric power working shaft described in the utility model, the cover plate is provided with a hoisting hole, and the hoisting hole is used for installing and disassembling the cover plate.

[0010] According to the electric working shaft described in the utility model, a crossbeam is also provided, the two ends of the crossbeam are connected to the two adjacent columns, a space for cables to pass through is formed between the crossbeam and the bottom plate, the crossbeam is provided with a second recessed portion, and the end of the cover plate is located in the second recessed portion.

[0011] According to the electric working shaft described in the utility model, second connecting plates are respectively provided on both sides of the crossbeam, and the second connecting plates are plugged into the connecting grooves.

[0012] According to an electric working shaft described in the utility model, the crossbeam is provided with a second abutting portion, the second abutting portion extends outward from the second connecting plate, and the second abutting portion abuts against the end surface of the column away from the bottom plate.

[0013] According to the electric working shaft described in the utility model, a sealing column is provided on the end surface of the column facing away from the bottom plate, and the side wall of the sealing column abuts against the side wall of the side plate or the side wall of the crossbeam.

[0014] According to an electric working shaft described in the utility model, the bottom plate is provided with four fixing holes, and the four fixing holes are arranged at intervals along the circumference of the bottom plate. The side plate is provided with a mounting portion, and the mounting portion is provided with a mounting hole. The bottom plate and the mounting portion are connected by fasteners, and the fasteners are passed through the fixing holes and the mounting holes.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is an axonometric view of an electric working shaft in an embodiment of the present utility model;

[0018] Figure 2 This is an exploded view of an electric working well in an embodiment of the present utility model;

[0019] Figure 3 This is an axonometric view of a column in an embodiment of the present utility model;

[0020] Figure 4 This is a front view of a column in an embodiment of the present utility model;

[0021] Figure 5 for Figure 4 Cross-sectional view of the middle AA part;

[0022] Figure 6 This is an axonometric view of the side panel in the embodiment of the present utility model;

[0023] Figure 7 This is a front view of the side panel in the embodiment of the present utility model;

[0024] Figure 8 for Figure 7 Cross-sectional view of the middle BB area;

[0025] Figure 9 This is an axonometric view of the crossbeam in the embodiment of the present utility model;

[0026] Figure 10 This is an axonometric view of the bottom plate in the embodiment of the present utility model;

[0027] Figure 11 This is an axonometric view of the cover plate in an embodiment of the present invention.

[0028] Reference numerals:

[0029] Bottom plate 100; connecting hole 110; fixing hole 120;

[0030] Column 200; connecting column 210; connecting groove 220; second cavity 230; sealing column 240;

[0031] Side plate 300; first connecting plate 310; first abutting portion 320; first cavity 330; first recessed portion 340; mounting portion 350; mounting hole 351;

[0032] Cover plate 400; lifting hole 401; splicing plate 410;

[0033] The crossbeam 500 , the second recessed portion 510 , the second connecting plate 520 , and the second abutting portion 530 . DETAILED DESCRIPTION

[0034] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0036] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0038] Reference Figure 1 、 Figure 2 and Figure 4 An embodiment of the present invention provides an electrical work pit, comprising a base plate 100, a column 200, and a side plate 300. The base plate 100 is provided with four connection holes 110, which extend along the axial direction of the base plate 100 and are spaced apart circumferentially of the base plate 100. Four connection posts 210 are provided on the axial end faces of the columns 200, which extend along the axial direction of the columns 200 and are spaced apart circumferentially of the columns 200. The connection posts 210 pass through the connection holes 110, connecting the columns 200 to the base plate 100. The four columns 200 are respectively connected to the four connection holes 110 of the base plate 100. By directly plugging the connection posts 210 of the columns 200 into the connection holes 110 of the base plate 100, the installation and removal of the columns 200 and the base plate 100 are facilitated, thereby improving the efficiency of installation and maintenance.

[0039] It can be understood that the base plate 100, the column 200, and the side plate 300 are respectively provided with a central axis, the direction along the central axis is the axial direction, the direction around the central axis is the circumferential direction, and extending in the direction away from the central axis is outward extension.

[0040] Reference Figure 2 、 Figure 3 and Figure 6 In some embodiments of the present invention, the outer wall of the column 200 is provided with a connecting groove 220. The connecting groove 220 extends along the axial direction of the column 200. There are four connecting grooves 220, which are spaced apart along the circumference of the column 200. Along the circumference of the base plate 100, one connecting groove 220 of a column 200 on the base plate 100 is arranged opposite to one connecting groove 220 of another adjacent column 200. That is, the connecting grooves 220 of two adjacent columns 200 are arranged opposite to each other. A first connecting plate 310 is provided on each side of the side plate 300. The first connecting plate 310 is used to plug into the connecting groove 220. The two first connecting plates 310 on each side of the side plate 300 are respectively plugged into two adjacent columns 200. Along the axial direction of the side plate 300, one end of the side plate 300 abuts against the surface of the base plate 100. The connecting slots 220 of two adjacent columns 200 are arranged facing each other, so that the first connecting plates 310 on either side of the side panel 300 can be plugged into the two connecting slots 220 of the two columns 200, thereby sealing the side of the power shaft. Directly plugging the sides of the side panel 300 into the two columns 200 facilitates installation and removal of the side panel 300, improving installation and maintenance efficiency.

[0041] It is understood that two side panels 300 can be installed on a base plate 100. The two side panels 300 can be located on opposite sides of the base plate 100, or on adjacent sides of the base plate 100. The number of side panels 300 on a base plate 100 and the position of the side panels 300 on the base plate 100 can be selected based on the actual cable routing, and this application does not limit this.

[0042] It will be appreciated that in some embodiments of the present invention, the power work well may be provided with two base plates 100, connected by two upright posts 200, i.e., the two base plates 100 share two upright posts 200. Alternatively, the power work well may be provided with three base plates 100. The specific number of base plates 100, their positions, and the installation position of the side plates 300 relative to the base plates 100 in the power work well can be selected based on the actual cable layout and are not limited by this application.

[0043] Reference Figure 1 and Figure 2It is understandable that in some embodiments of the present invention, the column 200 is provided with four connecting columns 210 and four connecting grooves 220, so that one column 200 can simultaneously connect four bottom plates 100 and four side plates 300, so that the column 200 can be adapted to power working shafts with different line arrangement structures, thereby improving the flexibility and adjustability of the power working shaft. If it is necessary to modify the conducting direction of the cable, the side plate 300 can be directly pulled out along the axial direction of the column 200, so that the side plate 300 can be removed, and then the installation position of the side plate 300 relative to the bottom plate 100 can be adjusted according to the changed conducting direction. The adjustment can be made directly on the original power working shaft without damaging the original power working shaft, thereby improving the flexibility and adjustability of the power working shaft and reducing maintenance costs. If it is necessary to increase the structure of the power working shaft, that is, to add a base plate 100, a column 200 and other structures to the original power working shaft, four connecting columns 210 are provided through the column 200 so that the added base plate 100 can be directly connected to the original column 200, so that the structure can be added directly to the original power working shaft to improve or modify the power working shaft without destroying the original power working shaft, thereby improving the flexibility and adjustability of the power working shaft, reducing the difficulty of maintenance and modification, and reducing the maintenance and modification costs.

[0044] Reference Figure 6 and Figure 7 In some embodiments of the present invention, the side panel 300 is provided with a first abutting portion 320. The first abutting portion 320 extends outward from the first connecting plate 310, that is, the first connecting portion extends from the first connecting plate 310 in a direction away from the centerline of the side panel 300. The first abutting portion 320 abuts against the end surface of the column 200 away from the bottom plate 100 to limit the axial movement of the side panel 300, thereby making the connection between the side panel 300 and the column 200 more stable, reducing the pressure exerted by the side panel 300 on the bottom plate 100, and reducing the possibility of the bottom plate 100 moving away from the column 200, thereby reducing the risk of the bottom plate 100 separating from the column 200.

[0045] It can be understood that in other embodiments of the present invention, in the horizontal cross-section, the first connecting plate 310 is in a dovetail shape, and the connecting groove 220 is a dovetail groove, that is, the first connecting plate 310 and the connecting groove 220 are connected by a mortise and tenon connection, so that the connection between the first connecting plate 310 and the connecting groove 220 is more stable, thereby making the structure of the power working shaft more stable.

[0046] Reference Figure 5 and Figure 8In some embodiments of the present invention, a first cavity 330 is provided within the side panel 300, which reduces the weight of the side panel 300, makes it easier to transport and load and unload the side panel 300, and saves transportation and construction costs. A second cavity 230 is provided within the column 200, which reduces the weight of the column 200, makes it easier to transport and load and unload the column 200, and saves transportation and construction costs. The provision of the first cavity 330 and the second cavity 230 in the power working shaft reduces the weight of the power working shaft, thereby reducing the risk of subsidence caused by excessive weight of the power working shaft and improving the durability and reliability of the power working shaft.

[0047] Reference Figure 6 and Figure 10 In some embodiments of the present invention, the base plate 100 is provided with four fixing holes 120, which are spaced apart along the circumference of the base plate 100. The side plate 300 is provided with a mounting portion 350, which is provided with a mounting hole 351. The base plate 100 and the mounting portion 350 are connected by fasteners, which pass through the fixing holes 120 and the mounting holes 351, so that the side plate 300 is fixedly connected to the base plate 100, thereby making the structure of the power working shaft more stable and improving the reliability of the power working shaft. The four fixing holes 120 of the base plate 100 are spaced apart along the circumference of the base plate 100, so that the base plate 100 is suitable for power industrial shafts with different conduction ports, and the flexibility of installation and adjustment of the base plate 100 is improved.

[0048] It is understandable that the fasteners may be bolts, pins or other components, which may be selected according to actual production applications, and this application does not limit them here.

[0049] Reference Figure 1 、 Figure 6 and Figure 8In some embodiments of the present invention, the power shaft provided by the present invention further comprises a cover plate 400. The cover plate 400 abuts against the end surface of the column 200 facing away from the base plate 100, such that the cover plate 400 covers the upper portion of the base plate 100 along its axial direction. The side plate 300 comprises a first recessed portion 340. The first recessed portion 340 is located on the side of the side plate 300 facing away from the base plate 100, and the end of the cover plate 400 is located in the first recessed portion 340. The bottom surface of the cover plate 400 abuts against the bottom wall of the first recessed portion 340, and the side walls of the first recessed portion 340 abut against the side walls of the cover plate 400. The abutment of the bottom surface of the cover plate 400 against the bottom wall of the first recessed portion 340 reduces the weight of the column 200 bearing the cover plate 400, thereby making the force applied to the cover plate 400 more balanced and, in turn, making the structure of the power shaft more stable and reliable. If the two side panels 300 are positioned facing each other on the base 100, the first recessed portions 340 of the two side panels 300 form a mounting groove, and the cover 400 is positioned within the mounting groove. The side walls of the two first recessed portions 340 constrain the ends of the cover 400, reducing the possibility of the cover 400 detaching from the side panels 300.

[0050] Reference Figure 2 and Figure 11 In some embodiments of the present invention, the cover plate 400 includes a plurality of splicing plates 410, which are arranged in an array, with the ends of the splicing plates 410 located within the first recess 340. By including a plurality of splicing plates 410, the weight of each component is reduced, the hoisting and transportation of the cover plate 400 is facilitated, and construction costs and risks are reduced.

[0051] Reference Figure 2 and Figure 11 In some embodiments of the present invention, the cover plate 400 is provided with a lifting hole 401, which is used for installation and removal of the cover plate 400, facilitating installation and removal of the cover plate 400. It is understood that the cover plate 400 includes a plurality of splicing plates 410, each of which is provided with a lifting hole 401.

[0052] Reference Figure 1 、 Figure 2 and Figure 9In some embodiments of the present invention, the power working shaft provided by the present invention is further provided with a crossbeam 500. The ends of the crossbeam 500 are respectively connected to two adjacent columns 200, and a space for cables to pass through is formed between the crossbeam 500 and the base plate 100. The crossbeam 500 is provided with a second recessed portion 510, and the end of the cover plate 400 is located within the second recessed portion 510. The bottom of the cover plate 400 abuts against the bottom wall of the second recessed portion 510, and the side walls of the cover plate 400 contact the side walls of the second recessed portion 510, facilitating the installation of the cover plate 400. By forming a space for cables to pass through between the crossbeam 500 and the base plate 100, the crossbeam 500 does not obstruct the conduction of the power working shaft. It is understood that the power well has a base plate 100. The four columns 200 of the base plate 100 can connect the two side plates 300 and the two crossbeams 500. By setting the position of the side plates 300 and the crossbeams 500 relative to the base plate 100, the conduction direction of the power well is determined. The two first recessed portions 340 and the two second recessed portions 510 enclose the installation space for the cover plate 400, limiting the four side walls of the cover plate 400, making the cover plate 400 more securely installed, reducing the possibility of the cover plate 400 detaching from the power well, and improving the reliability of the power well.

[0053] It can be understood that a base plate 100 can be provided in the power working shaft, and two side plates 300 and two cross beams 500 are provided on the base plate 100. The two side plates 300 can be arranged on both sides of the base plate 100 facing each other, and the two cross beams 500 can be arranged on the other two sides of the base plate 100 facing each other, or the side plates 300 and the cross beams 500 can be arranged at intervals along the circumference of the base plate 100. The number of base plates 100 provided on the power working shaft, the number of side plates 300 and cross beams 500 provided on the base plate 100, and the installation positions of the side plates 300 and cross beams 500 can be selected according to the actual arrangement of the cables, and this application does not limit them here.

[0054] Reference Figure 2 and Figure 9 In some embodiments of the present invention, a second connecting plate 520 is provided at each end of the crossbeam 500. The second connecting plates 520 are inserted into the connecting slots 220. The second connecting plates 520 at both ends of the crossbeam 500 are respectively inserted into the connecting slots 220 of two adjacent columns 200, allowing the crossbeam 500 to be directly mounted on the two adjacent columns 200. By inserting the second connecting plates 520 into the connecting slots 220, the connecting slots 220 can be used to mount the side panels 300 and the crossbeam 500, eliminating the need to provide multiple structures on the columns 200, reducing the difficulty of processing the columns 200 and saving manufacturing costs.

[0055] Reference Figure 2 and Figure 9In some embodiments of the present invention, the crossbeam 500 is provided with a second abutting portion 530. The second abutting portion 530 extends outward from the second connecting plate 520 and abuts against the end surface of the column 200 away from the base plate 100. The second abutting portion 530 abuts against the end surface of the column 200, thereby securing the crossbeam 500 to the side of the column 200 away from the base plate 100. At the same time, a space is formed between the crossbeam 500 and the base plate 100 for cables to pass through.

[0056] It can be understood that in other embodiments of the present invention, in the horizontal cross-section, when the connecting groove 220 is a dovetail groove, the cross-section of the first connecting plate 310 is a dovetail shape, and the cross-section of the second connecting plate 520 is a dovetail shape, so that the connecting groove 220 can be connected to the first connecting plate 310 or the second connecting plate 520.

[0057] Reference Figure 1 、 Figure 3 and Figure 4 In some embodiments of the present invention, a sealing column 240 is provided on the end surface of the upright column 200 facing away from the base plate 100. The sidewalls of the sealing column 240 abut against the sidewalls of the side panels 300 or the sidewalls of the crossbeam 500. The sidewalls of the sealing column 240 can abut against the sidewalls of the first abutting portions 320 of the side panels 300, and the sealed sidewalls can abut against the sidewalls of the second abutting portions 530 of the crossbeam 500. By abutting the two sidewalls of the sealing column 240 against the side panels 300 and the crossbeam 500, the gap in the power shaft is filled, improving the sealing of the power shaft and thereby enhancing the safety of the power shaft.

[0058] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0059] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An electric working well, characterized in that: include: The bottom plate has four connecting holes spaced apart along its circumference; A column, wherein the end surface of the column is provided with four connecting columns at intervals along the circumference thereof, the connecting columns pass through the connecting holes, and the four columns are respectively connected to the four connecting holes, and the column is provided with a connecting groove along the axial direction thereof, the four connecting grooves are arranged at intervals along the circumference of the column, and the connecting grooves of two adjacent columns are arranged facing each other; The side panels are provided with first connecting panels on both sides, the first connecting panels are plugged into the connecting grooves, and the two sides of the side panels are plugged into two adjacent columns.

2. The electric power working well according to claim 1, characterized in that: The side plate is provided with a first abutting portion, which extends outward from the first connecting plate and abuts against an end surface of the column away from the bottom plate.

3. The electric power working well according to claim 1, characterized in that: A first cavity is provided inside the side plate, and a second cavity is provided inside the column.

4. The electric power working well according to claim 1, characterized in that: A cover plate is also provided, which abuts against the end surface of the column away from the bottom plate. A first recessed portion is provided on the side of the side plate away from the bottom plate, and the end of the cover plate is located in the first recessed portion.

5. The electric power working well according to claim 4, characterized in that: The cover plate is provided with a hoisting hole, and the hoisting hole is used for installing and disassembling the cover plate.

6. The electric power working well according to claim 4, characterized in that: A crossbeam is also provided, with both ends of the crossbeam connected to two adjacent columns, a space for cables to pass through is formed between the crossbeam and the base plate, the crossbeam is provided with a second recessed portion, and the end of the cover plate is located in the second recessed portion.

7. The electric power working well according to claim 6, characterized in that: A second connecting plate is respectively provided on both sides of the crossbeam, and the second connecting plate is plugged into the connecting groove.

8. The electric power working well according to claim 7, characterized in that: The cross beam is provided with a second abutting portion, which extends outward from the second connecting plate and abuts against an end surface of the column away from the bottom plate.

9. The electric power working well according to claim 6, characterized in that: A sealing column is provided on the end surface of the column facing away from the bottom plate, and the side wall of the sealing column abuts against the side wall of the side plate or the side wall of the crossbeam.

10. The electric power working well according to claim 1, characterized in that: The bottom plate is provided with four fixing holes, which are arranged at intervals along the circumference of the bottom plate. The side plate is provided with a mounting portion, which is provided with a mounting hole. The bottom plate and the mounting portion are connected by fasteners, which pass through the fixing holes and the mounting holes.