CN210956565U - Spring installation device of high-voltage circuit breaker operating mechanism - Google Patents

Abstract

The utility model discloses a high voltage circuit breaker operating mechanism spring mounting utensil, its characterized in that: the energy storage device comprises a plug board, a handle, a rotary joint, a support rod and a limit sleeve, wherein the front end of the plug board is suitable for being inserted with an energy storage spring, the handle is transversely and fixedly arranged at the rear end of the plug board, the rotary joint is rotatably arranged on the plug board, the lower end of the support rod is hinged to the rotary joint, the limit sleeve is fixedly arranged at the upper end of the support rod, and the limit sleeve is suitable for being fixedly connected with a breaker frame; the picture peg inserts the energy storage spring lower extreme, stop collar fixed connection behind the circuit breaker frame upper end, upwards lift the handle can force energy storage spring is tensile downwards. Has the advantages of convenient operation, high working efficiency, safety and reliability.

Description

Spring installation device of high-voltage circuit breaker operating mechanism

Technical Field

The utility model relates to a power equipment field, concretely relates to high tension switchgear operating mechanism construction installation equipment.

Background

A high-voltage switch refers to a switching device capable of closing, carrying and breaking a current under normal circuit conditions, and includes a circuit breaker, a load switch, and the like, and is the most important control element in a high-voltage power transmission system. The motion characteristics of the high-voltage switch are mainly provided by an operating mechanism, and the motion reliability of the operating mechanism directly influences the opening and closing characteristics of the circuit breaker, including indexes such as opening and closing speed, time and opening and closing time. The operating mechanism is internally provided with an energy storage spring which is used for storing elastic potential energy and is used for enabling the high-voltage switch to rapidly act when the switch is switched on and switched off. Therefore, the energy storage springs all need to have large elastic force, and the installation of the energy storage springs is always a difficult point for assembling the operating mechanism.

In the prior art, the energy storage spring is generally stretched first, and then the inserting piece is inserted between the energy storage springs to keep the energy storage springs in a stretching state, so that connecting holes on hanging plates at two ends of the energy storage springs can be aligned with mounting holes of the operating mechanism. Or the upper end of the energy storage spring is fixed through the hanging plate and then is inserted one by knocking in, so that the energy storage spring is stretched until the hanging plate at the lower end of the energy storage spring reaches the mounting hole at the lower end. Both the two installation modes require operators to spend a large amount of time and physical power, and potential safety hazards exist during operation.

Therefore, how to improve the installation manner of the existing energy storage spring to overcome the above problems is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient operation, work efficiency is high, safe and reliable's high voltage circuit breaker operating mechanism spring mounting utensil.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a high voltage circuit breaker operating mechanism spring mounting apparatus which characterized in that: the energy storage device comprises a plug board, a handle, a rotary joint, a support rod and a limit sleeve, wherein the front end of the plug board is suitable for being inserted with an energy storage spring, the handle is transversely and fixedly arranged at the rear end of the plug board, the rotary joint is rotatably arranged on the plug board, the lower end of the support rod is hinged to the rotary joint, the limit sleeve is fixedly arranged at the upper end of the support rod, and the limit sleeve is suitable for being fixedly connected with a breaker frame; the picture peg inserts the energy storage spring lower extreme, stop collar fixed connection behind the circuit breaker frame upper end, upwards lift the handle can force energy storage spring is tensile downwards.

Preferably, the front end of the plug board is provided with a U-shaped socket, the width of the U-shaped socket is slightly smaller than the diameter of the energy storage spring, and two sides and the rear side of the U-shaped socket can be embedded into the energy storage spring. The energy storage springs are inserted into the plugboards in three directions, so that the energy storage springs cannot be separated from the plugboards, and the operation safety is improved.

Furthermore, both sides and the rear side of the U-shaped socket are blade-shaped inclined planes. The insertion plate can be inserted into the energy storage spring conveniently.

Preferably, the front end of the limiting sleeve is provided with a limiting groove, and the limiting groove is suitable for being clamped into an upper top plate of the breaker frame. This scheme only need spacing cover fixed can safety device in vertical direction, consequently set up horizontal spacing groove, can follow the operation of horizontal direction "stinging" the circuit breaker roof, the installation utensil of being convenient for.

As a modification, the handle comprises a front handle and a rear handle, and the front handle and the rear handle are in threaded connection; the bracing piece includes preceding bracing piece and back bracing piece, preceding bracing piece with back bracing piece threaded connection. After the front handle and the rear handle, and the front supporting rod and the rear supporting rod are disassembled, the overall strength of the installation tool can be shortened, and the installation tool is convenient to carry and store.

As an improvement, the rear end of the rear handle is sleeved with an anti-slip sleeve. The anti-skid performance of the handle is improved, and the safety and reliability of the handle are improved.

Preferably, a fixing screw is arranged at the front end of the front handle, and the fixing screw penetrates through the inserting plate and the front handle to realize the fixed connection of the handle and the inserting plate;

the lower end of the rotating joint is provided with a rotating shaft, and the rotating shaft is inserted into the inserting plate to realize the rotating connection of the rotating joint and the inserting plate;

the front end of the front support rod is provided with a rotating pin, and the rotating pin penetrates through the rotating joint and the front support rod to realize the rotating connection of the rotating joint and the support rod.

The connection mode is simple and reliable, and the installation and the maintenance are convenient, and the cost is low.

Compared with the prior art, the utility model has the advantages of:

the lever principle is utilized to the scheme, the energy storage spring with large elastic potential energy can be easily stretched by pulling, the step of inserting the insertion piece is omitted, the working efficiency is improved, and the labor intensity is reduced. The safety device of this scheme is light small and exquisite, and convenient to use especially is fit for after-sales personnel to carry, installs, speed governing, changes, maintains work such as outdoor energy storage spring to the circuit breaker.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;

fig. 2 is a half sectional view of a preferred embodiment according to the present invention;

fig. 3 is an enlarged view of a preferred embodiment according to the present invention, shown at a in fig. 2;

fig. 4 is an enlarged view of fig. 2 at B according to a preferred embodiment of the present invention;

fig. 5 is a partial exploded view of a preferred embodiment according to the present invention;

fig. 6 is a fully exploded view of a preferred embodiment according to the present invention;

fig. 7 is a schematic perspective view of an operation state according to a preferred embodiment of the present invention;

fig. 8 is a side view of the working state of a preferred embodiment according to the present invention;

fig. 9 is an enlarged view of the portion C of fig. 8 according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

As shown in fig. 1 to 9, a preferred embodiment of the present invention includes a plug board 1, a handle 2, a rotary joint 3, a support rod 4 and a stop collar 5, wherein the front end of the plug board 1 is suitable for inserting an energy storage spring 100, the handle 2 is transversely and fixedly disposed at the rear end of the plug board 1, the rotary joint 3 is rotatably disposed on the plug board 1, the lower end of the support rod 4 is hinged to the rotary joint 3, the stop collar 5 is fixedly disposed at the upper end of the support rod 4, and the stop collar 5 is suitable for fixedly connecting a circuit breaker frame 200; the inserting plate 1 is inserted into the lower end of the energy storage spring 100, and after the limiting sleeve 5 is fixedly connected with the upper end of the breaker frame 200, the handle 2 is lifted upwards to force the energy storage spring 100 to stretch downwards. Of course, other operation angles and operation directions can be adopted in the present embodiment, and the usage manner thereof can be easily conceived according to the structure thereof, and will not be described in detail herein.

In this embodiment, the front end of the inserting plate 1 is provided with a U-shaped socket 11, the width of the U-shaped socket 11 is slightly smaller than the diameter of the energy storage spring 100, and the two sides and the rear side of the U-shaped socket 11 can be embedded into the energy storage spring 100. Two sides and the rear side of the U-shaped socket 11 are blade-shaped inclined planes. The front end of the limiting sleeve 5 is provided with a limiting groove 51, and the limiting groove 51 is suitable for being clamped into an upper top plate of the breaker frame 200.

For carrying convenience, the handle 2 comprises a front handle 21 and a rear handle 22, and the front handle 21 and the rear handle 22 are in threaded connection; the support bar 4 includes a front support bar 41 and a rear support bar 42, and the front support bar 41 and the rear support bar 42 are screwed. As a conventional arrangement, the rear end of the rear handle 22 is sleeved with an anti-slip sleeve 23, and the anti-slip sleeve 23 is made of rubber.

The concrete connection mode of the parts of the scheme is as follows: the front end of the front handle 21 is provided with a fixing screw 24, and the fixing screw 24 penetrates through the inserting plate 1 and the front handle 21 to realize the fixed connection of the handle 2 and the inserting plate 1; the lower end of the rotating joint 3 is provided with a rotating shaft 31, and the rotating shaft 31 is inserted into the inserting plate 1 to realize the rotating connection of the rotating joint 3 and the inserting plate 1; the front end of the front support rod 41 is provided with a rotating pin 43, and the rotating pin 43 penetrates through the rotating joint 3 and the front support rod 41 to realize the rotating connection of the rotating joint 3 and the support rod 4.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a high voltage circuit breaker operating mechanism spring mounting apparatus which characterized in that: the energy storage device comprises a plug board, a handle, a rotary joint, a support rod and a limit sleeve, wherein the front end of the plug board is suitable for being inserted with an energy storage spring, the handle is transversely and fixedly arranged at the rear end of the plug board, the rotary joint is rotatably arranged on the plug board, the lower end of the support rod is hinged to the rotary joint, the limit sleeve is fixedly arranged at the upper end of the support rod, and the limit sleeve is suitable for being fixedly connected with a breaker frame; the inserting plate is inserted into the lower end of the energy storage spring, and after the limiting sleeve is fixedly connected with the upper end of the breaker frame, the handle is lifted upwards to force the energy storage spring to stretch downwards;

u type socket has been seted up to the picture peg front end, U type socket width slightly is less than energy storage spring diameter, U type socket both sides and rear side can imbed in the energy storage spring.

2. The high voltage circuit breaker actuator spring mounting fixture of claim 1, wherein: both sides and the rear side of the U-shaped socket are blade-shaped inclined planes.

3. The high voltage circuit breaker actuator spring mounting fixture of claim 1, wherein: the limiting groove is formed in the front end of the limiting sleeve and suitable for being clamped into the upper top plate of the breaker frame.

4. A high voltage circuit breaker actuator spring mounting fixture according to any one of claims 1 to 3 wherein: the handle comprises a front handle and a rear handle, and the front handle is in threaded connection with the rear handle; the bracing piece includes preceding bracing piece and back bracing piece, preceding bracing piece with back bracing piece threaded connection.

5. The high voltage circuit breaker actuator spring mounting fixture of claim 4 wherein: the rear end of the rear handle is sleeved with an anti-slip sleeve.

6. The high voltage circuit breaker actuator spring mounting fixture of claim 5, wherein: a fixing screw is arranged at the front end of the front handle and penetrates through the inserting plate and the front handle to realize the fixed connection of the handle and the inserting plate;

the lower end of the rotating joint is provided with a rotating shaft, and the rotating shaft is inserted into the inserting plate to realize the rotating connection of the rotating joint and the inserting plate;

the front end of the front support rod is provided with a rotating pin, and the rotating pin penetrates through the rotating joint and the front support rod to realize the rotating connection of the rotating joint and the support rod.

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