CN203357399U - Tool for disassembling springs - Google Patents

Tool for disassembling springs Download PDF

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Publication number
CN203357399U
CN203357399U CN 201320390519 CN201320390519U CN203357399U CN 203357399 U CN203357399 U CN 203357399U CN 201320390519 CN201320390519 CN 201320390519 CN 201320390519 U CN201320390519 U CN 201320390519U CN 203357399 U CN203357399 U CN 203357399U
Authority
CN
China
Prior art keywords
instrument
spring
dish
action bars
talon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201320390519
Other languages
Chinese (zh)
Inventor
梁毅涵
李冬
张东亮
高树军
赵雨
刘景宇
冀辉
史彦军
赵志军
李铠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Jibei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN 201320390519 priority Critical patent/CN203357399U/en
Application granted granted Critical
Publication of CN203357399U publication Critical patent/CN203357399U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a tool for disassembling springs. The springs are connected with one another in an end-to-end mode to form a round spring ring in an enclosed mode, the tool for disassembling the springs comprises a connecting talon disk, a fixing talon disk and an operation rod, and the operation rod penetrates through the center of the connecting talon disk and the center of the fixing talon disk; the connecting talon disk is rotationally connected with a plurality of extension rods, and the free ends of the extension rods are used for clamping the spring ring; the fixing talon disk is rotationally connected with a plurality of supporting rods corresponding to the extension rods, and the supporting rods are respectively and rotationally connected with the middle portions of the extension rods; the operation rod is connected with the connecting talon disk through threads to constitute a screw nut mechanism, the connecting talon disk moves in the length direction of the operation rod along with rotation of the operation rod, and therefore drives the supporting rods to rotate and enables the free ends of the extension rods to extend or retract simultaneously. The tool for disassembling the springs is simple in structure, low in cost, and capable of enabling the springs to be rapidly and stably disassembled, and improves disassembly efficiency and reliability of the springs.

Description

The instrument of dismounting spring
Technical field
The utility model relates to a kind of instrument for the spring of dismantling moving contact of breaker, particularly dismantles the instrument of 10KV moving contact of breaker spring.
Background technology
When station, usually need to change the touch spring of 10KV breaker.Because this spring is that head and the tail are centered around on the moving contact of breaker with connecting under the state of tension, if do not passed through tool using, it is difficult to take off after installation.Traditional means, for a word screwdriver, spring is knocked open, is then firmly taken out spring.This kind of method overhauled the professional and low of technique, length consuming time, and efficiency is low, in force process, is easy to make the spring bullet to fly, and even hurts sb.'s feelings.
The utility model content
Problem to be solved in the utility model is, provide a kind of in upkeep operation for changing the instrument of moving contact in high voltage breaker spring, make the spring can be by the taking off of quick and stable, and can not fly out and hurt sb.'s feelings.
In order to address the above problem, the utility model provides a kind of instrument of dismantling spring, described spring is end to end encloses conglobate turn, and the instrument of described dismounting spring comprises and connects pawl dish, fixed claw dish and the action bars passed from being connected pawl dish and fixed claw disk center; Be rotatably connected to a plurality of expanding bar on described connection pawl dish, the free end of described expanding bar is for holding described turn; Be rotatably connected to a plurality of support bars corresponding with described expanding bar on described fixed claw dish, described support bar is rotationally connected with the middle part of described expanding bar respectively; Described action bars connects and composes screw-nut body with the described pawl valve snail line that is connected, thereby described connection pawl dish moves on the length direction of described action bars with the rotation of described action bars and drives described support bar and rotate the synchronous expansion of the free end that makes described expanding bar or shrink.
As preferably, the free end of described expanding bar is provided with draw-in groove.
As preferably, on described action bars, be provided with gripping handle.
As preferably, described connection pawl dish comprises a plurality of connection pawls, and each described expanding bar is connected in the end of described connection pawl.
As preferably, described fixed claw dish comprises a plurality of fixed claws identical with described connection pawl quantity, and each described support bar is connected in the end of described fixed claw.
As preferably, the end of each described fixed claw is connected with a pair of described support bar, and every pair of described support bar is connected respectively in the both sides of a described expanding bar.
As preferably, the quantity that connects the connection pawl of pawl dish is four or more, and is uniformly distributed.
As preferably, be provided with the flange of the moving range for limiting described connection pawl dish on described action bars.
The beneficial effects of the utility model are, the instrument of dismounting spring of the present utility model can use common assembling parts, and simple structure is with low cost; By using the instrument of dismounting spring of the present utility model, spring steadily can be disassembled rapidly, improved efficiency and the reliability of dismounting spring.
The accompanying drawing explanation
The stereogram of an embodiment of the instrument that Fig. 1 is dismounting spring of the present utility model.
The schematic diagram of the action bars of the instrument that Fig. 2 is dismounting spring of the present utility model.
Fig. 3 is for dismantling the schematic diagram of the process of spring with the instrument of dismounting spring of the present utility model.
The schematic diagram that Fig. 4 disassembles spring for the instrument that uses dismounting spring of the present utility model.
The specific embodiment
Instrument below in conjunction with accompanying drawing to dismounting spring of the present utility model is described in detail.
The stereogram of an embodiment of the instrument that Fig. 1 is dismounting spring of the present utility model.As shown in Figure 1, the embodiment of the instrument of dismounting spring of the present utility model comprises the action bars 3 that connects pawl dish 1, fixed claw dish 2 and run through the center that connects pawl dish 1 and fixed claw dish 2.As can be seen from Figure 1, connect pawl dish 1 and there are equally distributed five connection pawls 12, at each, connect on pawl 12 and be rotatably connected to respectively expanding bar 11, be equipped with draw-in groove 111 on the free end of each expanding bar 11; And accordingly, fixed claw dish 2 has equally distributed five fixed claws, is rotatably connected to respectively support bar 21 on each fixed claw, and support bar 21 is rotationally connected with the middle part of expanding bar 11 respectively; Action bars 3 be connected the pawl dish 1 formation screw-nut body that is threaded, make connection pawl dish 1 to move on the length direction of this action bars 3 with the rotation of action bars 3, thereby, while making in the position of described fixed claw dish 2 fixedly, drive support bar 21 and rotate and make the synchronous expansion of free end of expanding bar 11 or shrink.That is to say, when connection pawl dish 1 approaches fixed claw dish 2 along with the rotation of action bars 3, expanding bar 11 becomes large with the angle between the connection pawl 12 that is connected pawl dish 1, and connecting pawl dish 1 along with the rotation of action bars 3 during away from fixed claw dish 2, expanding bar 11 diminishes with the angle between the connection pawl 12 that is connected pawl dish 1.Because the spring that is positioned at moving contact in high voltage breaker is circularly closely to be centered around on moving contact in end to end mode, instrument by dismounting spring of the present utility model, the above-mentioned spring of being close to moving contact first can be expanded, then be made it get loose from moving contact.Detailed operating process will further describe hereinafter.
It is pointed out that each parts in the instrument of dismounting spring of the present utility model are not limited only to the form shown in accompanying drawing.For example, although having five, the connection pawl dish 1 shown in Fig. 1 connects pawl 12, but in itself, connect the connection pawl 12 that pawl dish 1 can have four or more, and these to connect pawls 12 be equally distributed connecting on pawl dish 1, that is to say, each connects between pawl 12 and has identical angle, thereby make in the process of carrying out the spring dismounting, the expansionary force that spring is subject to is uniform.It is evident that in addition, fixed claw dish 2 should have the fixed claw consistent with connection pawl 12 quantity that connect pawl dish 1, in order to can connect the support bar corresponding with expanding bar 11 21, wherein, can be as shown in Figure 1, be connected into pairs the support bar 21 of setting on each fixed claw, then the other end that will be somebody's turn to do the support bar 21 arranged in pairs is connected to respectively the both sides at the middle part of expanding bar 11, in order to strengthen the support force for this expanding bar 11.
The schematic diagram of the action bars of the instrument that Fig. 2 is dismounting spring of the present utility model.As shown in the figure, be provided with on action bars 3 and be convenient to make operating personnel action bars 3 to be rotated to the gripping handle 31 of operation.In addition, be provided with for limiting the flange 32 of the moving range that connects pawl dish 1 at the end of the screw thread of action bars 3, and can also the nut 33 that be used for fixing fixed claw dish 2 be set in the end of action bars 3.
Fig. 3 and Fig. 4 show the schematic diagram that the instrument with dismounting spring of the present utility model carries out the operating process of spring dismounting.As can be seen from the figure, originally, spring S closely is centered around on the moving contact of breaker under the state of tension in end to end mode.First turn action bars, make expanding bar 11 inwardly shrink until all expanding bar 11 all can be inserted in the annulus that spring S surrounds.Then, utilize the free-ended draw-in groove in expanding bar 11 that spring S is blocked, so that spring S is unlikely to skid off from expanding bar 11.Next, the turn action bars, make expanding bar 11 expand outwardly equably at leisure, separates until spring S is expanded to fully with moving contact, thereby can like a cork spring S be disassembled from moving contact.
The instrument of dismounting spring of the present utility model can use common assembling parts, and simple structure is with low cost; By using the instrument of dismounting spring of the present utility model, spring steadily can be disassembled rapidly, improved efficiency and the reliability of dismounting spring.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.

Claims (8)

1. an instrument of dismantling spring, described spring is end to end encloses conglobate turn, it is characterized in that, and the instrument of described dismounting spring comprises and connects pawl dish, fixed claw dish and the action bars passed from being connected pawl dish and fixed claw disk center;
Be rotatably connected to a plurality of expanding bar on described connection pawl dish, the free end of described expanding bar is for holding described turn;
Be rotatably connected to a plurality of support bars corresponding with described expanding bar on described fixed claw dish, described support bar is rotationally connected with the middle part of described expanding bar respectively;
Described action bars connects and composes screw-nut body with the described pawl valve snail line that is connected, thereby described connection pawl dish moves on the length direction of described action bars with the rotation of described action bars and drives described support bar and rotate the synchronous expansion of the free end that makes described expanding bar or shrink.
2. the instrument of dismounting spring as claimed in claim 1, is characterized in that, the free end of described expanding bar is provided with draw-in groove.
3. the instrument of dismounting spring as claimed in claim 1, is characterized in that, on described action bars, is provided with gripping handle.
4. the instrument of dismounting spring as claimed in claim 1 or 2, is characterized in that, described connection pawl dish comprises a plurality of connection pawls, and each described expanding bar is connected in the end of described connection pawl.
5. the instrument of dismounting spring as claimed in claim 4, is characterized in that, described fixed claw dish comprises a plurality of fixed claws identical with described connection pawl quantity, and each described support bar is connected in the end of described fixed claw.
6. the instrument of dismounting spring as claimed in claim 5, is characterized in that, the end of each described fixed claw is connected with a pair of described support bar, and every pair of described support bar is connected respectively in the both sides of a described expanding bar.
7. the instrument of dismounting spring as claimed in claim 4, is characterized in that, the quantity of the connection pawl of described connection pawl dish is four or more, and is uniformly distributed.
8. the instrument of dismounting spring as claimed in claim 1, is characterized in that, is provided with the flange of the moving range for limiting described connection pawl dish on described action bars.
CN 201320390519 2013-07-02 2013-07-02 Tool for disassembling springs Expired - Lifetime CN203357399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320390519 CN203357399U (en) 2013-07-02 2013-07-02 Tool for disassembling springs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320390519 CN203357399U (en) 2013-07-02 2013-07-02 Tool for disassembling springs

Publications (1)

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CN203357399U true CN203357399U (en) 2013-12-25

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Country Status (1)

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CN (1) CN203357399U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302636A (en) * 2013-07-02 2013-09-18 国家电网公司 Tool for dismounting spring
CN104091707A (en) * 2014-07-14 2014-10-08 国网河南省电力公司商丘供电公司 Quick installation device for clamping spring of plum blossom contact of switch
CN104201585A (en) * 2014-07-24 2014-12-10 国家电网公司 Spring disassembling tool of 10 kV circuit breaker mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302636A (en) * 2013-07-02 2013-09-18 国家电网公司 Tool for dismounting spring
CN103302636B (en) * 2013-07-02 2016-03-30 国网冀北电力有限公司廊坊供电公司 The instrument of dismounting spring
CN104091707A (en) * 2014-07-14 2014-10-08 国网河南省电力公司商丘供电公司 Quick installation device for clamping spring of plum blossom contact of switch
CN104201585A (en) * 2014-07-24 2014-12-10 国家电网公司 Spring disassembling tool of 10 kV circuit breaker mechanism

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20131225

Effective date of abandoning: 20160330

C25 Abandonment of patent right or utility model to avoid double patenting