CN210771120U

CN210771120U - One-time resonance elimination device convenient to assemble and position

Info

Publication number: CN210771120U
Application number: CN201921652863.1U
Authority: CN
Inventors: 钱永亮; 唐明淑; 孟轩; 朱洪明; 高庆恩; 段文学; 李云
Original assignee: Wenshan Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Wenshan Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-16
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a harmonic elimination device convenient to equipment location, including harmonic elimination device main part, coupling spring and nut once, the bottom fixed surface of harmonic elimination device main part installs the fixed plate once, and has seted up the through-hole on the fixed plate to be provided with first double-screw bolt directly over the through-hole, first double-screw bolt fixed mounting is in the bottom surface of first limiting plate, and the top surface fixed mounting of first limiting plate has the back shaft, the back shaft runs through first backup pad, and first backup pad fixed mounting is at the surface of harmonic elimination device main part once, coupling spring is installed in the bottom outside of back shaft. This harmonic elimination device once convenient to equipment location, behind the bottom surface of first double-screw bolt through-hole and fixed plate, when follow-up staff installed harmonic elimination device main part once, directly be connected first double-screw bolt and the connecting hole on the erection equipment to the work of conveniently follow-up fixing of going on.

Description

One-time resonance elimination device convenient to assemble and position

Technical Field

The utility model relates to a harmonic elimination technical field specifically is a harmonic elimination device convenient to equipment location.

Background

The primary resonance elimination device is a device arranged on a primary winding of a voltage transformer, effectively enables the internal insulation of equipment to be broken down and the external insulation to be discharged, has the effects of damping and current limiting, and is a high-capacity nonlinear resistor.

Common harmonic elimination device in the existing market, at the in-process of installing, need carry out fixed work with parts such as bolt and nut, the less phenomenon of losing that takes place easily of its bolt and nut, it is convenient inadequately to the location when this harmonic elimination device equipment simultaneously, when fixing through bolt and nut, need fix another and rotate just can carry out fixed work to one, to above-mentioned problem, carry out the innovative design on the basis of original harmonic elimination device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a harmonic elimination device convenient to equipment location to solve common harmonic elimination device on the existing market that proposes in the above-mentioned background art, at the in-process of installing, need carry out the fixed work with parts such as bolt and nut, the less phenomenon of losing that takes place easily of its bolt and nut, it is convenient inadequately to the location when assembling this harmonic elimination device simultaneously, when fixing through bolt and nut, need fix another to one and rotate the problem that could carry out the fixed work.

In order to achieve the above object, the utility model provides a following technical scheme: a primary harmonic elimination device convenient to assemble and position comprises a primary harmonic elimination device main body, a connecting spring and a nut, wherein a fixing plate is fixedly arranged on the outer surface of the bottom end of the primary harmonic elimination device main body, a through hole is formed in the fixing plate, a first stud is arranged right above the through hole, the first stud is fixedly arranged on the bottom surface of a first limiting plate, a supporting shaft is fixedly arranged on the top surface of the first limiting plate, the supporting shaft penetrates through a first supporting plate, the first supporting plate is fixedly arranged on the outer surface of the primary harmonic elimination device main body, the connecting spring is arranged on the outer side of the bottom of the supporting shaft and is respectively connected with the bottom surface of the first supporting plate and the top surface of the first limiting plate, a limiting groove is formed in the outer surface of the supporting shaft and is connected with a limiting block, and the limiting block is fixedly arranged on, the top surface fixed mounting of back shaft has the second limiting plate, and the top surface fixed mounting of second limiting plate has the second double-screw bolt, the second double-screw bolt runs through the second backup pad, and second backup pad fixed mounting is at the top surface of first harmonic elimination device main part to the surface screw thread of second double-screw bolt installs the nut.

Preferably, the first stud and the fixing plate form a sliding structure through the through hole, and the first stud and the nut are connected in a threaded manner.

Preferably, the diameter of the first limiting plate is respectively larger than the diameter of the first stud and the diameter of the supporting shaft, and the first limiting plate and the first supporting plate form a telescopic structure through the supporting shaft and the connecting spring.

Preferably, the support shaft and the first support plate form a sliding structure through a limiting groove and a limiting block, and the limiting groove is symmetrically distributed about the longitudinal center line of the support shaft.

Preferably, the diameter of the second limiting plate is larger than the diameter of the supporting shaft and the diameter of the second stud, the second stud and the second supporting plate form a sliding structure, and the nut on the second stud is connected with the second supporting plate in a fitting mode.

Compared with the prior art, the beneficial effects of the utility model are that: the primary harmonic elimination device convenient for assembling and positioning,

1. after the first stud penetrates through the through hole and the bottom surface of the fixing plate, when a subsequent worker installs the primary resonance elimination device main body, the first stud is directly connected with a connecting hole in installation equipment, so that subsequent fixing work is facilitated, and convenience in assembling the primary resonance elimination device main body is improved;

2. the connecting spring can enable the first limiting plate to drive the first stud and the supporting shaft to slide downwards by pushing the first limiting plate, and meanwhile, the supporting shaft can stably slide on the first supporting plate through the limiting groove and the limiting block, so that the supporting shaft is effectively prevented from rotating, the first stud is prevented from rotating when being connected with a nut, and the subsequent fixed mounting work is facilitated;

3. when not using this harmonic elimination device once, can avoid the nut to take place the phenomenon of losing with the rotatory installation of nut on the second double-screw bolt, can carry out spacing work to the back shaft simultaneously, the first double-screw bolt of being convenient for keeps the state of separation with the through-hole, and the convenient follow-up work of accomodating is put perpendicularly to the harmonic elimination device main part once simultaneously.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the overlooking connection structure of the limiting groove and the limiting block of the present invention;

fig. 4 is a schematic view of the overall overlooking structure of the present invention.

In the figure: 1. a primary resonance elimination device main body; 2. a fixing plate; 3. a through hole; 4. a first stud; 5. a first limit plate; 6. a support shaft; 7. a first support plate; 8. a connecting spring; 9. a limiting groove; 10. a limiting block; 11. a second limiting plate; 12. a second stud; 13. a second support plate; 14. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a primary harmonic elimination device convenient to assemble and position comprises a primary harmonic elimination device main body 1, a connecting spring 8 and a nut 14, wherein a fixing plate 2 is fixedly arranged on the outer surface of the bottom end of the primary harmonic elimination device main body 1, a through hole 3 is formed in the fixing plate 2, a first stud 4 is arranged right above the through hole 3, the first stud 4 is fixedly arranged on the bottom surface of a first limiting plate 5, a supporting shaft 6 is fixedly arranged on the top surface of the first limiting plate 5, the supporting shaft 6 penetrates through a first supporting plate 7, the first supporting plate 7 is fixedly arranged on the outer surface of the primary harmonic elimination device main body 1, the outer side of the bottom of the supporting shaft 6 is provided with the connecting spring 8, the connecting spring 8 is respectively connected with the bottom surface of the first supporting plate 7 and the top surface of the first limiting plate 5, the outer surface of the supporting shaft 6 is provided with a limiting groove 9, the limiting groove 9 is connected with a limiting block 10, the top surface of the supporting shaft 6 is fixedly provided with a second limiting plate 11, the top surface of the second limiting plate 11 is fixedly provided with a second stud 12, the second stud 12 penetrates through a second supporting plate 13, the second supporting plate 13 is fixedly arranged on the outer surface of the top end of the primary resonance elimination device main body 1, and a nut 14 is arranged on the outer surface of the second stud 12 in a threaded mode.

First double-screw bolt 4 passes through-hole 3 and fixed plate 2 constitutes sliding construction, and the connected mode of first double-screw bolt 4 and nut 14 is threaded connection, is favorable to first double-screw bolt 4 to pass through-hole 3 to convenient follow-up location equipment work to harmonic elimination device main part 1 once, fix through first double-screw bolt 4 and the threaded equipment of nut 14 simultaneously.

The diameter of first limiting plate 5 is greater than the diameter of first double-screw bolt 4 and the diameter of back shaft 6 respectively, and first limiting plate 5 constitutes extending structure through back shaft 6 and coupling spring 8 and first backup pad 7, makes things convenient for first limiting plate 5 to slide through coupling spring 8's elasticity key down to make first limiting plate 5 drive first double-screw bolt 4 and back shaft 6 work of gliding simultaneously.

The back shaft 6 passes through spacing groove 9 and stopper 10 and constitutes sliding structure with first backup pad 7, and spacing groove 9 is about the longitudinal center line symmetric distribution of back shaft 6, and the effectual stability that improves back shaft 6 and slide the in-process avoids back shaft 6 to take place rotatory phenomenon to prevent that first limiting plate 5 and first double-screw bolt 4 from taking place to rotate.

The diameter of the second limit plate 11 is greater than the diameter of the support shaft 6 and the diameter of the second stud 12, the second stud 12 and the second support plate 13 form a sliding structure, the nut 14 on the second stud 12 is connected with the second support plate 13 in a fitting manner, and the position of the second stud 12 is effectively located through the nut 14 on the second stud 12, so that the support shaft 6 is located through the second limit plate 11 by the second stud 12.

The working principle is as follows: according to fig. 1-4, when a worker needs to perform a fixing and mounting operation on the primary resonance elimination device body 1, the worker manually performs a rotation loosening operation on the nut 14 to make the nut 14 rotate and take out from the second stud 12, so as to release the limiting operation on the supporting shaft 6, then the supporting shaft 6 slides downwards through the elastic force of the connecting spring 8, so that the supporting shaft 6 performs a sliding operation on the first supporting plate 7 through the limiting groove 9 and the limiting block 10, so that the supporting shaft 6 pushes the first stud 4 to pass through the through hole 3 on the fixing plate 2, and simultaneously the supporting shaft 6 performs a pulling operation on the second limiting plate 11 and the second stud 12, so that the second stud 12 slides downwards on the second supporting plate 13, wherein the primary resonance elimination device body 1 is a commercially known and existing technology, and will not be described in detail herein;

according to fig. 1, a worker attaches the primary resonance elimination device main body 1 to a mounting device, and simultaneously, the first stud 4 penetrating through the fixing plate 2 and the through hole 3 is connected with a connecting hole in the mounting device in a penetrating manner, so that the mounting and aligning work is facilitated, then the worker connects the taken-off nut 14 with the first stud 4 in a threaded manner, so that the primary resonance elimination device main body 1 is conveniently fixed on the mounting device through the first stud 4 and the nut 14, and meanwhile, in the process of rotating the nut 14, the first stud 4 cannot rotate through the limitation of the supporting shaft 6, so that the convenience of mounting the primary resonance elimination device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A harmonic elimination device convenient to equipment location, includes harmonic elimination device main part (1), coupling spring (8) and nut (14), its characterized in that: the bottom outer surface of the primary harmonic elimination device main body (1) is fixedly provided with a fixed plate (2), the fixed plate (2) is provided with a through hole (3), a first stud (4) is arranged right above the through hole (3), the first stud (4) is fixedly arranged on the bottom surface of a first limiting plate (5), the top surface of the first limiting plate (5) is fixedly provided with a supporting shaft (6), the supporting shaft (6) penetrates through a first supporting plate (7), the first supporting plate (7) is fixedly arranged on the outer surface of the primary harmonic elimination device main body (1), the outer side of the bottom of the supporting shaft (6) is provided with a connecting spring (8), the connecting spring (8) is respectively connected with the bottom surface of the first supporting plate (7) and the top surface of the first limiting plate (5), the outer surface of the supporting shaft (6) is provided with a limiting groove (9), and the limiting groove (9) is connected with a limiting block (10), and stopper (10) fixed mounting is on the inner wall of first backup pad (7), the top surface fixed mounting of back shaft (6) has second limiting plate (11), and the top surface fixed mounting of second limiting plate (11) has second double-screw bolt (12), second double-screw bolt (12) run through second backup pad (13), and second backup pad (13) fixed mounting is at the top surface of first harmonic elimination device main part (1) to nut (14) are installed to the surface screw thread of second double-screw bolt (12).

2. A primary resonance elimination apparatus for facilitating assembly and positioning as set forth in claim 1, wherein: the first stud (4) and the fixing plate (2) form a sliding structure through the through hole (3), and the first stud (4) is connected with the nut (14) in a threaded mode.

3. A primary resonance elimination apparatus for facilitating assembly and positioning as set forth in claim 1, wherein: the diameter of first limiting plate (5) is greater than the diameter of first double-screw bolt (4) and the diameter of back shaft (6) respectively, and just first limiting plate (5) constitute extending structure through back shaft (6) and coupling spring (8) and first backup pad (7).

4. A primary resonance elimination apparatus for facilitating assembly and positioning as set forth in claim 1, wherein: the supporting shaft (6) and the first supporting plate (7) form a sliding structure through a limiting groove (9) and a limiting block (10), and the limiting groove (9) is symmetrically distributed about the longitudinal center line of the supporting shaft (6).

5. A primary resonance elimination apparatus for facilitating assembly and positioning as set forth in claim 1, wherein: the diameter of the second limiting plate (11) is larger than the diameter of the supporting shaft (6) and the diameter of the second stud (12), the second stud (12) and the second supporting plate (13) form a sliding structure, and the nut (14) on the second stud (12) is connected with the second supporting plate (13) in a fitting mode.