High-voltage bushing mounting structure

Abstract

The utility model relates to a high-voltage bushing mounting structure, which comprises a main bushing, an interface supporting pipe, a mounting pipe, a joint, a fixed fitting component and a mounting gear sleeve. The threaded connection part is aligned with the bolt connection hole, the installation gear sleeve is meshed with the locking gear in an insection mode, the installation gear sleeve is rotated to drive the locking gear to rotate, the locking gear drives the threaded connection part to rotate, and therefore the threaded connection part is matched with the bolt connection hole in a threaded mode. In the rotating process, the locking assembly drives the bearing plate to move in the axial direction of the main body sleeve, so that the bearing plate abuts against the connector, and the connector is pressed and fixed in the mounting pipe. According to the technical scheme, the multiple locking assemblies can be mounted at the same time by rotating the mounting gear sleeve, so that mounting is more convenient and efficient, the mounting time is effectively saved, and the mounting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage bushings, in particular to a high-voltage bushing installation structure. Background Art

[0002] High-voltage bushing is a kind of pipe used to encapsulate and protect high-voltage power equipment in the power system. It is mainly used in the fields of transmission lines, substations and power equipment to isolate and protect the high-voltage part of high-voltage equipment, and also plays a supporting and fixing role.

[0003] At present, the existing high-voltage bushing tail end structure is provided with a contact seat, and the terminal block and the contact seat are pressed together by a pressure ring. The pressure ring and the contact seat are threadedly connected, and the direction of the terminal block is adjusted by adjusting the phase angle of the bolt connection. The problem of large torsional stress of the cable is solved while ensuring safe and stable flow. However, when installing it, multiple nuts need to be screwed for installation. The efficiency of installing them one by one is extremely low, and the installation process is relatively cumbersome. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a high-voltage bushing installation structure to solve the problem that the existing high-voltage bushing tail end structure needs to screw multiple nuts for installation, the efficiency of installation one by one is extremely low, and the installation process is relatively cumbersome.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a high-voltage bushing installation structure, comprising:

[0006] Main casing;

[0007] An interface support tube, arranged at one end of the main sleeve in the axial direction;

[0008] A mounting tube connected to the interface support tube, wherein a plurality of bolt connection holes are distributed along the circumferential direction on the mounting tube, and the bolt connection holes are opened along the axial direction of the mounting tube;

[0009] A joint installed in the installation pipe;

[0010] A fixed fitting assembly includes a bearing plate, a plurality of through holes are provided on the bearing plate corresponding to the bolt connection holes, a plurality of locking assemblies are rotatably connected in the through holes, the locking assemblies include a threaded connection part and a locking gear, and the threaded connection part is threadedly connected to the bolt connection hole;

[0011] The mounting gear sleeve is meshed with the teeth of the locking gear.

[0012] Optionally, a positioning hole is provided between two adjacent bolt connection holes on the mounting tube, and the positioning hole is opened along the axial direction of the mounting tube.

[0013] Optionally, a plurality of positioning posts are provided on the carrier plate corresponding to the positioning holes, and the positioning posts are clearance-matched with the positioning holes.

[0014] Optionally, the connector includes a limiting plate and a wiring board, the wiring board is arranged in the middle of the limiting plate, and the limiting plate is clearance-matched with the mounting tube.

[0015] Optionally, a limiting ring is provided in the mounting tube, and the limiting ring is used to limit the axial installation position of the limiting plate along the mounting tube.

[0016] Optionally, a through hole is formed through the supporting plate along the thickness direction, the outer diameter of the supporting plate is larger than the diameter of the limiting plate, and the inner diameter of the supporting plate is smaller than the diameter of the limiting plate.

[0017] Optionally, a supporting ring is provided on the outer wall of the mounting tube, and the mounting gear sleeve is rotatably connected to the supporting ring.

[0018] Optionally, it also includes a copper lead, which is inserted into the main body sleeve, and the copper lead passes through the interface support tube and the installation tube to be electrically connected to the joint.

[0019] As described above, the utility model has the following beneficial effects: aligning the threaded connection part with the bolt connection hole, meshing the locking gear teeth through the installation sleeve, driving the locking gear to rotate by rotating the installation sleeve, and driving the threaded connection part to rotate by the locking gear, so that the threaded connection part and the bolt connection hole are threadedly matched, and during the rotation process, the locking assembly drives the bearing plate to move along the axial direction of the main sleeve, so that the bearing plate abuts against the joint, thereby pressing and fixing the joint in the installation tube. By adopting the technical solution of the present application, multiple locking assemblies can be installed simultaneously by rotating the installation sleeve, making the installation more convenient and efficient, effectively saving installation time and improving installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Shown is a schematic diagram of a high voltage bushing installation structure shown in an embodiment of the present application;

[0021] Figure 2 Shown is a disassembled view of the high-voltage bushing installation structure shown in an embodiment of the present application.

[0022] Description of Reference Numerals

[0023] Main body sleeve 1, interface support tube 2, mounting tube 3, bolt connection hole 301, positioning hole 302, limiting ring 303, supporting ring 304, connector 4, limiting plate 401, terminal block 402, fixed fitting component 5, bearing plate 501, positioning column 501a, through hole 501b, locking component 502, threaded connection part 502a, locking gear 502b, mounting gear sleeve 6, copper lead 7. DETAILED DESCRIPTION

[0024] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0025] See also Figure 1 to Figure 2 . It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the utility model in a schematic manner, so the diagram only shows the components related to the utility model rather than being drawn according to the number, shape and size of the components during actual implementation. During actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated. The structure, proportion, size, etc. illustrated in the drawings attached to this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the utility model without affecting the effect and purpose that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.

[0026] Before describing the embodiment of the utility model in detail, the application environment of the utility model is described first. The technology of the utility model is mainly applied to the field of high-voltage bushing technology. The utility model is used to solve the problem that the existing high-voltage bushing tail structure needs to screw multiple nuts for installation, and the efficiency of installation one by one is extremely low, and the installation process is relatively cumbersome.

[0027] Please combine Figure 1 to Figure 2 As shown, the utility model provides a high-voltage bushing installation structure.

[0028] In an exemplary embodiment of the present application, a high-voltage bushing installation structure includes: a main bushing 1; an interface support tube 2, which is arranged at one end of the main bushing 1 in the axial direction; a mounting tube 3, which is connected to the interface support tube 2, and has a plurality of bolt connection holes 301 distributed circumferentially on the mounting tube 3, and the bolt connection holes 301 are opened along the axial direction of the mounting tube 3; a joint 4, which is installed in the mounting tube 3; a fixed fitting component 5, including a bearing plate 501, and a plurality of through holes are opened on the bearing plate 501 corresponding to the bolt connection holes 301, and a plurality of locking components 502 are rotatably connected in the through holes, and the locking component 502 includes a threaded connection portion 502a and a locking gear 502b, and the threaded connection portion 502a is threadedly connected to the bolt connection hole 301; an installation gear sleeve 6, and the installation gear sleeve 6 is meshed with the locking gear 502b.

[0029] In this embodiment, the threaded connection part 502a is aligned with the bolt connection hole 301, and the tooth pattern of the mounting sleeve 6 is meshed with the locking gear 502b. The locking gear 502b is driven to rotate by rotating the mounting sleeve 6, and the locking gear 502b drives the threaded connection part 502a to rotate, so that the threaded connection part 502a is threadedly matched with the bolt connection hole 301. During the rotation process, the locking assembly 502 drives the bearing plate 501 to move along the axial direction of the main sleeve 1, so that the bearing plate 501 abuts against the joint 4, thereby pressing and fixing the joint 4 in the mounting tube 3. By adopting the technical solution of the present application, multiple locking assemblies 502 can be installed at the same time by rotating the mounting sleeve 6, making the installation more convenient and efficient, effectively saving installation time and improving installation efficiency.

[0030] In an exemplary embodiment of the present application, a positioning hole 302 is provided between two adjacent bolt connection holes 301 on the mounting tube 3 , and the positioning hole 302 is opened along the axial direction of the mounting tube 3 .

[0031] In this embodiment, the mounting tube 3 has six bolt connection holes 301 and six positioning holes 302 distributed along the circumferential direction, all of which are opened along the axial direction of the mounting tube 3 , and one positioning hole 302 is arranged between two bolt connection holes 301 .

[0032] In an exemplary embodiment of the present application, a plurality of positioning posts 501 a are disposed on the carrier plate 501 corresponding to the positioning holes 302 , and the positioning posts 501 a are clearance-matched with the positioning holes 302 .

[0033] In this embodiment, the length of the positioning column 501 a is greater than that of the threaded connection portion 502 a , and the threaded connection portion 502 a is aligned with the bolt connection hole 301 by the positioning column 501 a and the positioning hole 302 .

[0034] In an exemplary embodiment of the present application, the connector 4 includes a limiting piece 401 and a wiring board 402 . The wiring board 402 is arranged in the middle of the limiting piece 401 . The limiting piece 401 is clearance-matched with the mounting tube 3 .

[0035] In an exemplary embodiment of the present application, a limiting ring 303 is provided in the mounting tube 3 , and the limiting ring 303 is used to limit the axial installation position of the limiting piece 401 along the mounting tube 3 .

[0036] In this embodiment, the limiting ring 303 is fixedly arranged on the inner wall of the mounting tube 3 , and the limiting piece 401 is installed in the mounting tube 3 along the axial direction of the mounting tube 3 , and the limiting ring 303 is used to limit the axial installation of the limiting piece 401 .

[0037] In an exemplary embodiment of the present application, a through hole 501 b is formed through the support plate 501 along the thickness direction, the outer diameter of the support plate 501 is larger than the diameter of the limiting plate 401 , and the inner diameter of the support plate 501 is smaller than the diameter of the limiting plate 401 .

[0038] In this embodiment, the structural design in which the outer diameter of the supporting plate 501 is larger than the diameter of the limiting plate 401 and the inner diameter is smaller than the diameter of the limiting plate 401 allows a portion of the supporting plate 501 to cover the surface of the limiting plate 401, and when the fixed fitting component 5 is installed, the fixed installation of the joint 4 is satisfied.

[0039] In an exemplary embodiment of the present application, a supporting ring 304 is provided on the outer wall of the mounting tube 3 , and the mounting gear sleeve 6 is rotatably connected to the supporting ring 304 .

[0040] In this embodiment, the mounting sleeve 6 is positioned and installed by providing a supporting ring 304, and the mounting sleeve 6 is rotatably connected to the supporting ring 304, so that the mounting sleeve 6 can rotate and support and limit the mounting sleeve 6.

[0041] In an exemplary embodiment of the present application, a copper lead 7 is further included. The copper lead 7 is inserted into the main sleeve 1 , and the copper lead 7 passes through the interface support tube 2 , the installation tube 3 , and is electrically connected to the joint 4 .

[0042] Working principle: align the threaded connection part 502a with the bolt connection hole 301, mesh the teeth of the locking gear 502b through the installation sleeve 6, drive the locking gear 502b to rotate by rotating the installation sleeve 6, and the locking gear 502b drives the threaded connection part 502a to rotate, so that the threaded connection part 502a and the bolt connection hole 301 are threadedly matched. During the rotation process, the locking assembly 502 drives the bearing plate 501 to move along the axial direction of the main sleeve 1, so that the bearing plate 501 abuts against the joint 4, thereby pressing and fixing the joint 4 in the installation tube 3. By adopting the technical solution of the present application, multiple locking assemblies 502 can be installed at the same time by rotating the installation sleeve 6, making the installation more convenient and efficient, effectively saving installation time and improving installation efficiency.

[0043] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A high voltage bushing installation structure, characterized in that: include: Main casing; An interface support tube, arranged at one end of the main sleeve in the axial direction; A mounting tube connected to the interface support tube, wherein a plurality of bolt connection holes are distributed along the circumferential direction on the mounting tube, and the bolt connection holes are opened along the axial direction of the mounting tube; A joint installed in the installation pipe; A fixed fitting assembly includes a bearing plate, a plurality of through holes are provided on the bearing plate corresponding to the bolt connection holes, a plurality of locking assemblies are rotatably connected in the through holes, the locking assemblies include a threaded connection part and a locking gear, and the threaded connection part is threadedly connected to the bolt connection hole; The mounting gear sleeve is meshed with the teeth of the locking gear.

2. The high voltage bushing installation structure according to claim 1, characterized in that: A positioning hole is provided between two adjacent bolt connection holes on the mounting tube, and the positioning hole is opened along the axial direction of the mounting tube.

3. The high voltage bushing installation structure according to claim 2, characterized in that: The carrying plate is provided with a plurality of positioning posts corresponding to the positioning holes, and the positioning posts are in clearance fit with the positioning holes.

4. The high voltage bushing installation structure according to claim 1, characterized in that: The joint comprises a limiting piece and a wiring board, wherein the wiring board is arranged in the middle of the limiting piece, and the limiting piece is loosely matched with the mounting tube.

5. The high voltage bushing installation structure according to claim 4, characterized in that: A limiting ring is arranged in the installation tube, and the limiting ring is used to limit the axial installation position of the limiting plate along the installation tube.

6. The high voltage bushing installation structure according to claim 5, characterized in that: The carrying plate is provided with a through hole along the thickness direction. The outer diameter of the carrying plate is larger than the diameter of the limiting plate, and the inner diameter of the carrying plate is smaller than the diameter of the limiting plate.

7. The high voltage bushing installation structure according to claim 1, characterized in that: A supporting ring is arranged on the outer wall of the mounting tube, and the mounting gear sleeve is rotatably connected to the supporting ring.

8. The high voltage bushing installation structure according to claim 1, characterized in that: It also includes a copper lead, which is inserted into the main body sleeve, and passes through the interface support tube and the installation tube to be electrically connected to the joint.

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