CN217655833U

CN217655833U - Circuit breaker closing spring assembly fixture

Info

Publication number: CN217655833U
Application number: CN202221752223.XU
Authority: CN
Inventors: 万吉; 刘镕江; 金峰; 江小飞
Original assignee: Changzhou Pacific Electric Power Equipment Group Co ltd
Current assignee: Changzhou Pacific Electric Power Equipment Group Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-10-25
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a circuit breaker closing spring assembly fixture, including spring pressure equipment platform, the both ends of spring pressure equipment platform are fixed with left support and right support respectively, be fixed with the take-up housing between left side support and the right support at spring pressure equipment bench, sliding connection has the slider in the take-up housing, the one end of slider is fixed with first locating piece, and the other end of slider is fixed with screw rod connecting piece, screw rod connecting piece's the other end is fixed with the screw rod sub-assembly, the utility model provides an in the current production process of closing spring, waste time and energy and dangerous, the big problem of workman working strength, the rotation through the screw rod sub-assembly promotes the slider and removes, further drives first locating piece and removes, makes the distance between first locating piece and the second locating piece diminish, compresses to the closing spring, makes closing spring compress to target in place to make closing spring compress labour saving and time saving, improved the compression efficiency of closing spring.

Description

Circuit breaker closing spring assembly fixture

Technical Field

The utility model relates to a combined floodgate spring production technical field specifically is a circuit breaker combined floodgate spring assembly fixture.

Background

The spring operating mechanism has the advantages of simple structure, high reliability, convenient maintenance and the like, and is the most common and widely used form in the high-voltage circuit breaker operating mechanism. The closing spring is a core component in the spring operating mechanism, has the characteristics of larger structural size and larger elastic coefficient, can be assembled after being compressed by larger installation force, generally adopts a simple pull rod device to manufacture, adopts a wrench to screw a screw rod to compress a nut, is very time-consuming and labor-consuming in the assembly process and unsafe, has high working strength for installation personnel, and is not suitable for batch production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker closing spring assembly fixture replaces original simple and easy pull rod device of using, solves the problem of on-the-spot installation difficulty, has improved assembly efficiency, has reduced workman's working strength, has improved production efficiency.

The utility model provides a following technical scheme: the utility model provides a circuit breaker closing spring assembly fixture, includes spring pressure equipment platform, the both ends of spring pressure equipment platform are fixed with left support and right support respectively, be fixed with the take-up housing at spring pressure equipment bench between left side support and the right support, sliding connection has the slider in the take-up housing, the one end of slider is fixed with first locating piece, and the other end of slider is fixed with screw rod connecting piece, screw rod connecting piece's the other end is fixed with the screw rod sub-assembly, the screw rod sub-assembly is fixed on right support medial surface, be fixed with the second locating piece on the medial surface of left side support, first locating piece and second locating piece will close a floodgate spring assembly centre gripping.

According to the technical scheme, the V-shaped block is arranged on the spring press-fitting table between the first positioning block and the second positioning block.

According to the technical scheme, the first positioning block is detachably connected with the left support, and the second positioning block is detachably connected with the sliding block.

According to the technical scheme, the sliding block is square or round.

According to the technical scheme, the screw rod connecting piece comprises a thrust ball bearing, one end of the thrust ball bearing is fixed on the sliding block, the other end of the thrust ball bearing is fixed with a shaft sleeve, the shaft sleeve is sleeved on the screw rod assembly, the shaft sleeve is penetrated with an elastic cylindrical pin, and the shaft sleeve is fixed on the screw rod assembly through the elastic cylindrical pin.

According to the technical scheme, the screw rod assembly comprises a nut fixed in the sliding block seat, the nut is connected with a screw rod in an internal thread mode, the screw rod is fixed in the shaft sleeve, and the other end of the screw rod is fixed with the handle.

According to the technical scheme, a closing spring storage box is clamped on the compressed closing spring between the first positioning block and the second positioning block.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) The combination of a nut and a screw rod is adopted, a thrust ball bearing is additionally arranged for transmission, the brake closing spring is compressed by rotating a handle, time and labor are saved, and no personnel is needed for assistance;

(2) The closing spring is placed on the V-shaped block, so that the positioning performance is good, the closing spring can adapt to closing springs of different specifications, and the square sliding block is adopted for guiding, so that the whole compression process is balanced and reliable, and the safety is high;

(3) The locating piece is detachable connection, conveniently changes the locating piece of different models, fixes a position the combined floodgate spring of different specifications.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the nut-screw assembly, screw connector and right support of the present invention;

fig. 3 is a schematic view of a closing spring storage case of the present invention;

in the figure: 1. a spring press-fitting table; 2. a screw assembly; 3. a right support; 4. a screw connection; 5. a slider seat; 6. a slider; 7. a first positioning block; 11. a second positioning block; 12. a left support; 13. a V-shaped block; 14. a handle; 15. a nut; 16. a screw; 17. an elastic cylindrical pin; 18. a shaft sleeve; 19. a thrust ball bearing; 20. closing spring case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a circuit breaker closing spring assembly fixture, including spring pressure equipment platform 1, left support 12 and right support 3 are fixed respectively at the both ends of spring pressure equipment platform 1, be fixed with slider seat 5 between left support 12 and the right support 3 on spring pressure equipment platform 1, sliding connection has slider 6 in slider seat 5, the one end of slider 6 is fixed with first locating piece 7, the other end of slider 6 is fixed with screw rod connecting piece 4, the other end of screw rod connecting piece 4 is fixed with screw rod sub-assembly 2, screw rod sub-assembly 2 is fixed on the inboard terminal surface of right support 3, be fixed with second locating piece 11 on the inboard terminal surface of left support 12, first locating piece 7 and second locating piece 11 are with closing spring subassembly centre gripping, through fixing closing spring subassembly's both ends respectively on first locating piece 7 and second locating piece 11, utilize the rotation of screw rod sub-assembly 2 to drive screw rod connecting piece 4 and move to inboard or the outside, thereby control second locating piece 11 removes, extrude closing spring subassembly, make closing spring compress in place.

A V-shaped block 13 is arranged on the spring press-fitting table 1 between the first positioning block 7 and the second positioning block 11, and the V-shaped block 13 provides a supporting force for the closing spring and guides the compression of the closing spring.

First locating piece 7 and left support 12 are for dismantling the connection, and second locating piece 11 and slider 6 are for dismantling the connection, and the locating piece of different models is conveniently changed to detachable first locating piece 7 and second locating piece 11, fixes a position the combined floodgate spring of different specifications.

The slider 6 is square or circular, and the circular slider 6 machine-shaping is convenient, and square slider can not rotate, makes the balanced reliable of compression process, and the security is high.

As shown in fig. 2, the screw rod connector 4 includes a thrust ball bearing 19, one end of the thrust ball bearing 19 is fixed on the slider 6, the other end of the thrust ball bearing 19 is fixed with a shaft sleeve 18, the shaft sleeve 18 is sleeved on the screw rod assembly 2, an elastic cylindrical pin 17 penetrates through the shaft sleeve 18, the shaft sleeve 18 is fixed on the screw rod assembly 2 through the elastic cylindrical pin 17, and the thrust ball bearing 19 is adopted to transmit the compression brake spring, so that time and labor are saved, and no assistance is required.

The screw rod assembly 2 comprises a nut 15 fixed in the slider seat 5, a screw rod 16 is connected with the inner thread of the nut 15, the screw rod 16 is fixed in a shaft sleeve 18, a handle 14 is fixed at the other end of the screw rod 16, the nut 15 and the screw rod 16 are adopted, and the screw rod 16 is driven to rotate by the rotation of the handle 14, so that the closing spring is compressed, and the time and the labor are saved.

As shown in fig. 3, a closing spring storage box 20 is engaged with the closing spring compressed between the first positioning block 7 and the second positioning block 11, and when the closing spring is compressed to a proper position, the closing spring storage box 20 can be reversely engaged with the closing spring, thereby restricting the state of the closing spring and storing the closing spring in a compressed state.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a circuit breaker closing spring assembly fixture which characterized in that: the spring press-fitting device comprises a spring press-fitting table, wherein a left support and a right support are fixed at two ends of the spring press-fitting table respectively, a slider seat is fixed on the spring press-fitting table between the left support and the right support, a slider is connected in the slider seat in a sliding manner, a first positioning block is fixed at one end of the slider, a screw rod connecting piece is fixed at the other end of the slider, a screw rod assembling piece is fixed at the other end of the screw rod connecting piece, the screw rod assembling piece is fixed on the inner side end face of the right support, a second positioning block is fixed on the inner side end face of the left support, and a closing spring assembly is clamped by the first positioning block and the second positioning block.

2. The assembly tool for the closing spring of the circuit breaker according to claim 1, wherein: and a V-shaped block is arranged on the spring press-fitting table between the first positioning block and the second positioning block.

3. The assembly tool for the closing spring of the circuit breaker according to claim 1, wherein: the first positioning block is detachably connected with the left support, and the second positioning block is detachably connected with the sliding block.

4. The assembly tool for the closing spring of the circuit breaker according to claim 1, wherein: the slider is square or round.

5. The assembly tool for the closing spring of the circuit breaker according to claim 1, wherein: the screw rod connecting piece comprises a thrust ball bearing, one end of the thrust ball bearing is fixed on the sliding block, a shaft sleeve is fixed at the other end of the thrust ball bearing, the shaft sleeve is sleeved on the screw rod assembly, an elastic cylindrical pin penetrates through the shaft sleeve, and the shaft sleeve is fixed on the screw rod assembly through the elastic cylindrical pin.

6. The assembly tooling for the closing spring of the circuit breaker according to claim 5, characterized in that: the screw rod assembly comprises a nut fixed in the sliding block seat, a screw rod is connected with the inner thread of the nut and fixed in the shaft sleeve, and a handle is fixed at the other end of the screw rod.

7. The assembly tool for the closing spring of the circuit breaker according to claim 1, wherein: and a closing spring storage box is clamped on the compressed closing spring between the first positioning block and the second positioning block.