CN217562429U

CN217562429U - Energy storage indicating structure for circuit breaker spring mechanism

Info

Publication number: CN217562429U
Application number: CN202221616985.7U
Authority: CN
Inventors: 邰雪峰; 安宁; 黄晓伟; 耿巍; 李东涛; 张会侠; 张强
Original assignee: Xi'an Xd High Voltage Switchgear Operating Mechanism Co ltd; China XD Electric Co Ltd
Current assignee: Xi'an Xd High Voltage Switchgear Operating Mechanism Co ltd; China XD Electric Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-11
Anticipated expiration: 2032-06-24

Abstract

The utility model provides a circuit breaker is energy storage indicating structure for spring mechanism, through at mechanism incasement assembled spring mechanism and energy storage indicating mechanism, the instruction work to energy storage indicating mechanism has been realized under spring mechanism's effect, the main part support as energy storage indicating mechanism of energy storage indicating mechanism inner support, wherein the rear end of support is fixed to be assembled on spring mechanism, the middle part of support is equipped with the rolling disc, the pivot assembly is at the top of support, the sign sets up the front end at the support, the effectual spatial position who realizes energy storage indicating mechanism distributes, save space, the sign is equipped with the rectangular channel, and the border correspondence at the rectangular channel is equipped with the instruction word appearance, the indicator is V type structure, the most advanced cover of indicator is established in the pivot, the rectangular channel setting is stretched into to the one end of indicator, the effectual spacing operation of having carried out the indicator to the indicator rod of rectangular channel, the other end and the contact of spring mechanism, through the operation of instructing of spring mechanism drive indicator pole, the reliability of instruction has been improved.

Description

Energy storage indicating structure for circuit breaker spring mechanism

Technical Field

The utility model relates to a circuit breaker technical field specifically is a circuit breaker is energy storage indication structure for spring mechanism.

Background

The high-voltage circuit breaker is a mechanical switching device which can open, close and bear normal current of an operating line and can bear, open, close and bear abnormal current within a specified time, and is the most important control and protection equipment in a power system. The opening and closing action of the contacts in the circuit breaker is driven by an operating mechanism, and the working performance of the operating mechanism directly influences the opening and closing characteristics and action reliability of the circuit breaker. The operating mechanism of the high-voltage circuit breaker mainly comprises a hydraulic operating mechanism, a spring operating mechanism and a pneumatic operating mechanism. The spring operating mechanism has the characteristics of fast response, small volume, light weight, simple structure, small operation noise, no environmental pollution and the like, and is widely applied to various self-energy and semi-self-energy arc-extinguishing chambers with relatively small operation power, and particularly in the voltage class of 126-252 kV, the spring operating mechanism becomes a preferred mechanism with numerous advantages.

At present, a spiral chute shaft structure is adopted in the prior art, so that the processing is complex and the cost is high; from the perspective, the prior art energy storage indication is achieved by rotation; secondly, the energy storage indicating device has no buffer function, so that the device is easily damaged, and after the compression amount of a brake spring is integrated, the energy storage indicating device has angular deviation.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a structure is instructed to energy storage for circuit breaker spring mechanism, simple structure, convenient operation only adopts board class part, and the part is simple, processing is convenient, the cost is lower, is fit for the marketization and uses.

The utility model discloses a realize through following technical scheme:

an energy storage indicating structure for a spring mechanism of a circuit breaker comprises a mechanism box, and the spring mechanism and the energy storage indicating mechanism which are assembled in the mechanism box; the energy storage indicating mechanism comprises a bracket, a rotating shaft, an indicating rod and an indicating plate; the utility model discloses a set up the instruction pole, including support, direction pole, direction board, spring mechanism, the rear end of support is fixed to be assembled on spring mechanism, the middle part of support is equipped with the rolling disc, the pivot assembly is at the top of support, the instruction board sets up the front end at the support, be equipped with the rectangular channel on the instruction board, and the border correspondence at the rectangular channel is equipped with instruction word appearance, the instruction pole is V type structure, and the pointed end cover of instruction pole is established in the pivot, and the one end of instruction pole stretches into the rectangular channel setting, the other end and the spring mechanism contact of instruction pole, spring mechanism drives the one end of instruction pole on the rolling disc to the directional instruction word appearance of the other end of instruction pole that the drive stretches into the rectangular channel.

Preferably, the rotating shaft is sleeved with a reset torsion spring, one end of the reset torsion spring is fixed on the support, and the other end of the reset torsion spring is assembled on the indicating rod and used for automatically resetting the indicating rod.

Preferably, the spring mechanism comprises a spring cylinder, a spring pull rod, a closing spring and a spring hanging bolt; one end of the spring cylinder is fixedly assembled at the rear end of the support, the closing spring is assembled in the spring cylinder, one end of the spring pull rod is connected with the closing spring in a matched mode, one end of the spring pull rod penetrates out of the spring cylinder and extends into the rear end of the support, the spring pull rod is assembled on the rotating disc through a spring hanging bolt, and one end of the indicating rod is attached to the spring hanging bolt.

Preferably, the top and the bottom of the rectangular groove are provided with buffering parts for protecting the indicating rod.

Further, rubber is wrapped on the buffer piece.

Preferably, the end part of the indicating rod, which extends into the rectangular groove, is provided with an indicating needle for indicating the indication characters.

Furthermore, the indication word comprises an 'stored energy' word and an 'non-stored energy' word, wherein the 'stored energy' word is positioned on the corresponding card board at the upper part of the rectangular groove, and the 'non-stored energy' word is positioned on the corresponding card board at the lower part of the rectangular groove.

Preferably, the tip of the indicating rod is arranged on the rotating shaft, and two sides of the indicating rod are respectively fixed through retaining rings.

Preferably, both ends of the rotating shaft are fixed on the top of the bracket through pins.

Preferably, the position department that corresponds energy storage indicating mechanism on the mechanism case is equipped with the observation window, the observation window corresponds the instruction word appearance setting in the sign.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model provides a circuit breaker is energy storage indicating structure for spring mechanism, through at mechanism incasement assembly spring mechanism and energy storage indicating mechanism, realized the instruction work to energy storage indicating mechanism under spring mechanism's effect, the main part support as energy storage indicating mechanism of energy storage indicating mechanism inner support, wherein the rear end of support is fixed to be assembled on spring mechanism, the middle part of support is equipped with the rolling disc, the pivot assembly is at the top of support, the sign sets up the front end at the support, effectual energy storage indicating mechanism's spatial position who has realized distributes, the space has been saved, be equipped with the rectangular channel on the sign, and correspond at the border of rectangular channel and be equipped with the instruction word appearance, the indicator lever is V type structure, the most advanced cover of indicator lever is established in the pivot, the rectangular channel setting is stretched into to the one end of indicator lever, the effectual spacing operation of having carried out the indicator lever to the indicator lever, avoid the jamming that the improper position caused, the other end and the contact of indicator lever, instruct the operation on the sign through the drive of spring mechanism, the reliability of instruction is improved.

Furthermore, a reset torsion spring is sleeved on the rotating shaft, one end of the reset torsion spring is fixed on the bracket, the other end of the reset torsion spring is assembled on the indicating rod and used for automatically resetting the indicating rod, and on one hand, the reset torsion spring ensures that the indicating plate cannot swing due to the vibration of the mechanism to influence indication in the energizing process; on the other hand, it can be reset quickly after the energy is released.

Furthermore, one end of a spring pull rod in the spring mechanism is connected with a closing spring in a matched mode, one end of the spring pull rod penetrates out of the spring barrel and extends into the rear end of the support, the spring pull rod is assembled on the rotating disc through a hanging spring bolt, one end of the indicating rod is arranged in a mode of being attached to the hanging spring bolt, the indicating rod is effectively driven, and indicating work is conducted in the rectangular groove together with the indicating rod.

Further, the top and the bottom of rectangular channel have all set up the bolster for play the guard action to the pilot lever, wherein wrap up rubber on the bolster, in order to avoid the energy release back collision between energy storage indicator board and the panel, increase of service life has increased the bolster, avoids the striking between the part, plays the effect of buffering and protection.

Furthermore, the pointed end of the indicating rod is arranged on the rotating shaft, and the two sides of the indicating rod are fixed through the check rings respectively, so that the indicating rod is prevented from swinging left and right on the rotating shaft, the relative position of the indicating rod and the rotating shaft is not changed, and the indicating accuracy is guaranteed.

Furthermore, the two ends of the rotating shaft are fixed on the top of the support through pins, and the stability of the rotating shaft on the support is improved.

Further, the position department that corresponds energy storage indicating mechanism on the mechanism case is equipped with the observation window, the observation window corresponds the instruction typeface setting in the sign, is convenient for observe the typeface on the sign.

Drawings

Fig. 1 is a schematic diagram of an energy storage indicating structure for a spring mechanism of a circuit breaker according to the present invention;

fig. 2 is an internal view of an energy storage indicating structure for a spring mechanism of a circuit breaker according to the present invention;

fig. 3 is a schematic connection diagram of the middle spring mechanism and the energy storage indicating mechanism of the present invention.

In the figure: 1-mechanism box; 2-a spring mechanism; 3-an energy storage indicating mechanism; 4-spring pull rod; 5-a closing spring; 6-a spring barrel; 7-hanging spring bolts; 8-a scaffold; 9-a rotating shaft; 10-a return torsion spring; 11-an indicator stem; 12-a pointer; 13-a buffer; 14-a sign; 15-a pin; 16-a rotating disc; 17-observation window.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention will be described in further detail with reference to the accompanying drawings:

the utility model provides a structure is instructed with energy storage to circuit breaker spring mechanism, simple structure, convenient operation only adopts board class part, and the part is simple, processing is convenient, the cost is lower, is fit for the marketization and uses.

Specifically, according to fig. 1, 2 and 3, the stored energy indicating structure for the spring mechanism of the circuit breaker comprises a mechanism box 1, and a spring mechanism 2 and a stored energy indicating mechanism 3 which are assembled in the mechanism box 1; the energy storage indicating mechanism 3 comprises a bracket 8, a rotating shaft 9, an indicating rod 11 and an indicating plate 14; the rear end fixed mounting of support 8 is on spring mechanism 2, the middle part of support 8 is equipped with rolling disc 16, pivot 9 assembles the top at support 8, sign 14 sets up the front end at support 8, be equipped with the rectangular channel on the sign 14, and correspond at the border of rectangular channel and be equipped with the instruction word appearance, indicator lever 11 is V type structure, and the pointed end cover of indicator lever 11 is established on pivot 9, and the rectangular channel setting is stretched into to the one end of indicator lever 11, and the other end and the 2 contacts of spring mechanism of indicator lever 11, spring mechanism 2 drives the one end of indicator lever 11 on rolling disc 16 to the directional instruction word appearance of the other end of indicator lever 11 that the drive stretched into the rectangular channel.

Specifically, the rotating shaft 9 is sleeved with a reset torsion spring 10, one end of the reset torsion spring 10 is fixed on the support 8, and the other end of the reset torsion spring is assembled on the indicating rod 11 and used for automatically resetting the indicating rod 11. When the indicating rod swings up and down, a reset force is given to the indicating rod, the indicating rod is enabled to reset quickly, and the indicating rod is prevented from bouncing.

Specifically, the spring mechanism 2 comprises a spring cylinder 6, a spring pull rod 4, a closing spring 5 and a spring hanging bolt 7; one end of the spring cylinder 6 is fixedly assembled at the rear end of the support 8, the closing spring 5 is assembled in the spring cylinder 6, one end of the spring pull rod 4 is connected with the closing spring 5 in a matched mode, one end of the spring pull rod 4 penetrates out of the spring cylinder 6 and extends into the rear end of the support 8, the spring pull rod is assembled on the rotating disc 16 through the spring hanging bolt 7, and one end of the indicating rod 11 is attached to the spring hanging bolt 7.

Specifically, the top and the bottom of rectangular channel have all set up bolster 13 for play the guard action to indicator lever 11, wherein parcel rubber on the bolster 13.

Specifically, an end of the indicating rod 11 extending into the rectangular groove is provided with an indicating needle 12 for pointing to the indicating characters.

The indicating characters comprise stored energy characters and non-stored energy characters, wherein the stored energy characters are located on the corresponding card boards on the upper portion of the rectangular groove, and the non-stored energy characters are located on the corresponding card boards on the lower portion of the rectangular groove.

Specifically, the tip of the indication rod 11 is arranged on the rotating shaft 9, and two sides of the indication rod are respectively fixed through check rings.

Specifically, the two ends of the rotating shaft 9 are fixed on the top of the bracket 8 through pins 15.

Specifically, the position department that corresponds energy storage indicating mechanism 3 on mechanism case 1 is equipped with observation window 17, observation window 17 corresponds the instruction word appearance setting in sign 14.

The utility model discloses spring energy storage indicating device, use device's spring mechanism and use this spring mechanism's circuit breaker can be used to all series of products of the following high voltage level of 550 kV.

The indicating plate 14 is provided with a rectangular groove for limiting the up-and-down movement limit position of the indicating rod 11, and the buffer parts 13 arranged on the upper side and the lower side of the rectangular groove play roles of buffering and protecting in the process of mutually switching the two states of non-energy storage and energy storage, so that the stress of the indicating rod is reduced, the indicating rod is prevented from being bent due to the action of external force, and the indicating reliability is ensured; besides, still install spring pull rod 4 on the support 8, the outer disc of spring pull rod 4 rotation department and the laminating of the 11 downside faces of indicator pole, and anticlockwise rotation can be realized to spring pull rod 4, drives the indicator pole along with and revolutes the rotating disk and rotate, realizes instruction function.

In the utility model, the closing spring 5 is arranged in the spring cylinder 6 and can drive the spring pull rod 4 to move; one end of the spring pull rod 4 is fixed with the closing spring 5 and can move back and forth along with the closing spring 5, and the other end of the spring pull rod is fixed with the spring hanging bolt 7 and can rotate anticlockwise around the rotating center of the spring hanging bolt 7.

The utility model provides a structure is instructed with energy storage to circuit breaker spring mechanism, when using:

a spring pull rod 7 is driven by a closing spring 5 in a spring cylinder 6, one end of the spring pull rod 4 penetrates through the spring cylinder 6 and extends into the rear end of a support 8, the other end of an indicating rod 11 extending into a rectangular groove is driven by a spring hanging bolt 7 to move upwards in the rectangular groove, and a pointer 12 points to an energy storage position; after the energy of the spring is released, the spring pull rod 7 returns to the other side of the bracket 8 under the action of the spring force, the spring pull rod 7 does not push the indicating rod 11, and the indicating rod 11 stays at the non-energy storage position under the action of gravity and the torsion spring force; in the process of energy storage, the spring hanging bolt rotates anticlockwise around the rotation center of the spring hanging bolt, the indicating rod is gradually pushed to rotate anticlockwise around the rotation center of the rotating shaft, and the spring hanging bolt stops at the stored energy position after energy storage is in place.

The utility model only adopts plate parts, has simple parts, convenient processing and lower cost, and is suitable for marketization application; the torsion spring is additionally arranged beside the indicating rod, so that the indicating rod is ensured not to swing due to mechanical vibration in the indicating process, and can be quickly reset after energy is released; the upper side and the lower side of the rectangular groove on the indication board are provided with buffers which play a role in buffering and protecting in the movement process; the sign is opened rectangular channel on, restricts the rotational position of energy storage indicator lever, avoids the improper position to cause the jamming, ensures the reliability of instructing.

In summary, the energy storage indicator has the automatic reset function, and the energy storage indicator is provided with the torsion spring, so that on one hand, the indicator plate can not swing due to the vibration of the mechanism to influence the indication in the energy success process; on the other hand, it can be reset quickly after the energy is released. Have buffer function, in order to avoid the collision between energy storage indicator board and the panel after the energy release, increase of service life has increased the blotter, avoids the striking between the part, plays the effect of buffering and protection. Have limit function, fluting on the panel, all install the blotter from top to bottom, reduce the impact on the one hand, on the other hand restricts the rotation space of energy storage indicator board, avoids the jamming that the improper position caused.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.

Claims

1. An energy storage indicating structure for a spring mechanism of a circuit breaker is characterized by comprising a mechanism box (1), and a spring mechanism (2) and an energy storage indicating mechanism (3) which are assembled in the mechanism box (1); the energy storage indicating mechanism (3) comprises a bracket (8), a rotating shaft (9), an indicating rod (11) and an indicating plate (14); the rear end fixed mounting of support (8) is on spring mechanism (2), the middle part of support (8) is equipped with rolling disc (16), pivot (9) assembly is at the top of support (8), sign (14) set up the front end in support (8), be equipped with the rectangular channel on sign (14), and correspond at the border of rectangular channel and be equipped with the instruction word appearance, instruction pole (11) are V type structure, and the most advanced cover of instruction pole (11) is established on pivot (9), and the one end of instruction pole (11) stretches into the rectangular channel setting, and the other end and the spring mechanism (2) contact of instruction pole (11), spring mechanism (2) drive the one end of instruction pole (11) on rolling disc (16) to the directional instruction word appearance of the other end of the instruction pole (11) that the drive stretches into the rectangular channel.

2. The energy storage indicating structure for the spring mechanism of the circuit breaker according to claim 1, wherein the rotating shaft (9) is sleeved with a reset torsion spring (10), one end of the reset torsion spring (10) is fixed on the bracket (8), and the other end of the reset torsion spring is assembled on the indicating rod (11) and used for automatically resetting the indicating rod (11).

3. The energy storage indicating structure for the spring mechanism of the circuit breaker according to claim 1, wherein the spring mechanism (2) comprises a spring cylinder (6), a spring pull rod (4), a closing spring (5) and a spring hanging bolt (7); the one end of spring case (6) is fixed to be assembled at the rear end of support (8), closing spring (5) assembly is in spring case (6), the one end and closing spring (5) cooperation of spring pull rod (4) are connected, and spring case (6) are worn out to the one end of spring pull rod (4) to stretch into the rear end of support (8), and assemble on rolling disc (16) through hanging spring bolt (7), the one end and the laminating setting of hanging spring bolt (7) of indicator lever (11).

4. The energy storage indicating structure for the spring mechanism of the circuit breaker according to claim 1, wherein a buffer (13) is disposed at the top and the bottom of the rectangular groove for protecting the indicating rod (11).

5. The energy storage indicating structure for a spring mechanism of a circuit breaker according to claim 4, wherein said buffer member (13) is coated with rubber.

6. The energy storage indicating structure for the spring mechanism of the circuit breaker according to claim 1, wherein an end of the indicating rod (11) extending into the rectangular groove is provided with an indicating needle (12) for pointing to an indicating word.

7. The energy storage indicating structure for the spring mechanism of the circuit breaker as claimed in claim 1, wherein the tip of the indicating rod (11) is on the rotating shaft (9), and both sides are fixed by retaining rings respectively.

8. The stored energy indicating structure for a spring mechanism of a circuit breaker according to claim 1, characterized in that both ends of the rotating shaft (9) are fixed on the top of the bracket (8) by a pin (15).

9. The energy storage indicating structure for the spring mechanism of the circuit breaker according to claim 1, characterized in that a viewing window (17) is arranged on the mechanism box (1) at a position corresponding to the energy storage indicating mechanism (3), and the viewing window (17) is arranged corresponding to an indication word in the indication board (14).