CN203134681U - Interlocking mechanism - Google Patents

Interlocking mechanism Download PDF

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Publication number
CN203134681U
CN203134681U CN 201220728216 CN201220728216U CN203134681U CN 203134681 U CN203134681 U CN 203134681U CN 201220728216 CN201220728216 CN 201220728216 CN 201220728216 U CN201220728216 U CN 201220728216U CN 203134681 U CN203134681 U CN 203134681U
Authority
CN
China
Prior art keywords
baffle plate
board
pin
ground connection
operating
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 - Fee Related
Application number
CN 201220728216
Other languages
Chinese (zh)
Inventor
刘晓颖
刘坚钢
吴德祥
何耀明
许文枫
戴守祥
朱金东
符吉祥
吴斌
诸红枫
蒋超奇
熊白云
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.)
NINGBO YOUWEI ELECTRIC POWER TECHNOLOGY Co Ltd
Original Assignee
NINGBO YOUWEI ELECTRIC POWER TECHNOLOGY 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 NINGBO YOUWEI ELECTRIC POWER TECHNOLOGY Co Ltd filed Critical NINGBO YOUWEI ELECTRIC POWER TECHNOLOGY Co Ltd
Priority to CN 201220728216 priority Critical patent/CN203134681U/en
Application granted granted Critical
Publication of CN203134681U publication Critical patent/CN203134681U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of solid insulation ring main units and discloses an interlocking mechanism which is used for interlocking an isolation operating end and a grounding operating end of a three-position operating mechanism, wherein the isolation operating end and the grounding operating end are respectively arranged inside an isolation operating hole and a grounding operating hole. The interlocking mechanism includes a rotatable blocking board, a first indicating board and a second indicating board; the blocking board is rotatingly arranged on a bracket through a shaft pin and is located at the external side of the isolation operating end and the grounding operating end; the inner side of the first indicating board and the inner side of the second indicating board are respectively provided with a first blocking pin and a second blocking pin which abut against the external edge of the blocking board; and through adjusting the positions of the first blocking pin and the second blocking pin, the blocking board can be located at a position where the blocking board can only block the isolation operating hole, at a position where the blocking board can only block the grounding operating hole, and at a position where the blocking board can block the isolation operating hole and the grounding operating hole simultaneously. With the interlocking mechanism of the utility model adopted, operation interlocking of the three-position operating mechanism can be realized.

Description

A kind of interlocking device
Technical field
The utility model relates to solid insulation ring main unit technical field, relates in particular to a kind of interlocking device.
Background technology
At present, the solid insulation ring main unit is progressively to miniaturization, compoundization, intelligent direction development, with isolating switch and earthed switch compound be three station isolation-earthed switches, for reduced volume, isolating switch adopts three station vacuum interrupters, and the switch movable contact of three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode; And this three stations vacuum interrupter is generally used for combined electric appliance equipment, also needs and other switchgears (as breaker mechanism) are realized interlocking.
Please referring to Fig. 1, Fig. 1 is a kind of structural representation of typical solid insulation ring main unit.
As shown in Figure 1, this solid insulation ring main unit comprises circuit breaker 20, isolating switch 10, wherein circuit breaker 20 adopts two station vacuum interrupters, isolating switch 10 adopts three station vacuum interrupters, two station vacuum interrupters are operated by two station mechanisms 40, and three station vacuum interrupters are operated by three-station operating mechanism 30.For flexibility and the fail safe that guarantees to move, avoid isolating and ground connection between misoperation, also need three-station operating mechanism 30 is carried out operation interlocking.
Therefore, how to realize the operation interlocking to the three-station operating mechanism, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model provides a kind of interlocking device, to realize the operation interlocking to the three-station operating mechanism.
To achieve these goals, the utility model provides a kind of interlocking device to comprise all rotatable baffle plates, first direction board, second direction board, described baffle plate is arranged on the described support by pivot pin is rotatable, described baffle plate is positioned at described isolated operation end, the outside of described ground connection operating side, described first direction board, the inboard of described second direction board is respectively equipped with can be against first grade of pin of described baffle plate outer, second grade of pin, by adjusting first grade of pin, the position of second grade of pin, described baffle plate can be in only blocks described isolated operation hole, only block described ground connection handle hole, block described isolated operation hole simultaneously, three positions of described ground connection handle hole.
Preferably, also comprise connecting rod, an end of described connecting rod is the baffle plate round end, and the other end is provided with pivot pin, and this bearing pin is stuck in the elongated slot of described baffle plate slidably.
Preferably, described baffle plate round end is the axle sleeve that described interlinking lever end arranges.
Preferably, the pivot of described first direction board, described second direction board is respectively equipped with first rotating shaft, second rotating shaft, by the rotation of first rotating shaft, second rotating shaft, makes described first grade of pin, second grade of pin be in corresponding position.
The interlocking device that the utility model provides is used for the isolated operation end to three station manipulation mechanisms, interlock in the ground connection operating side, described isolated operation end, described ground connection operating side lays respectively at the isolated operation hole of support, in the ground connection handle hole, comprise rotatable baffle plate, first direction board, second direction board, described baffle plate is arranged on the described support by pivot pin is rotatable, described baffle plate is positioned at described isolated operation end, the outside of described ground connection operating side, described first direction board, the inboard of described second direction board is respectively equipped with can be against first grade of pin of described baffle plate outer, second grade of pin, by adjusting first grade of pin, the position of second grade of pin, described baffle plate can be in only blocks described isolated operation hole, only block described ground connection handle hole, block described isolated operation hole and three positions of described ground connection handle hole simultaneously.
When isolating switch was in "on" position, first grade of pin of the first direction board inboard was positioned at the baffle plate upper left side and keeping off baffle plate, and fail against the position of baffle plate the lower left that second grade of pin of the second direction board inboard is in baffle plate, and this moment, baffle plate can only be rotated counterclockwise; Be rotated counterclockwise the baffle plate preset angles, baffle plate is in the position of only blocking described ground connection handle hole, namely opened the isolated operation hole in left side, can be to isolating the rotating shaft operation, be rotated counterclockwise and isolate the rotating shaft preset angles, namely isolating switch is in gate-dividing state, and first direction board is rotated counterclockwise simultaneously, move on first grade of pin, releasing is spacing to baffle plate; Promote the baffle plate rotation clockwise, because the spacing releasing of first grade of pin, baffle plate is in the position of only blocking described isolated operation hole, namely opened the ground connection handle hole of the ground connection rotating shaft on right side, ground connection rotating shaft preset angles turns clockwise, be that isolating switch is in ground state, second direction board is rotated counterclockwise simultaneously, move to the position, lateral confinement position, lower-left of baffle plate on second grade of pin, be rotated counterclockwise baffle plate, baffle plate is in the position of blocking described isolated operation hole and described ground connection handle hole simultaneously, because second grade of pin is spacing, baffle plate can not continue rotation, namely guarantees can not operate the isolation rotating shaft under the ground state, realizes the operation interlocking of three station manipulation mechanisms.
The utility model is realized the operation interlocking of three-station operating mechanism by the armstrong's patent operation of first direction board, second direction board, baffle plate, guarantees flexibility and the fail safe of operation, avoid isolating and ground connection between mistake behaviour.
Description of drawings
Fig. 1 is a kind of structural representation of typical solid insulation ring main unit;
Fig. 2 is the structural representation of the three-station operating mechanism of solid insulation ring main unit among Fig. 1;
Fig. 3 is the structural representation of operating means among Fig. 2;
Structural representation when the interlocking device that Fig. 4 provides for the utility model is in the isolating switch "on" position;
Structural representation when Fig. 5 is in the position of only blocking the ground connection handle hole for baffle plate among Fig. 4;
Structural representation when Fig. 6 is in gate-dividing state for isolating switch among Fig. 4;
Structural representation when Fig. 7 is in the position of only blocking the isolated operation hole for baffle plate among Fig. 4;
Structural representation when Fig. 8 is in ground state for isolating switch among Fig. 4;
Structural representation when Fig. 9 is in the position of blocking isolated operation hole and ground connection handle hole simultaneously for baffle plate among Fig. 4;
Wherein, among Fig. 1-Fig. 9:
Isolating switch 10, circuit breaker 20, three-station operating mechanism 30, two station mechanisms 40; Isolate rotating shaft 301, ground connection rotating shaft 302, first gear mechanism 303, power transmission shaft 304, second gear mechanism 305, actuator 306;
Support 1, first direction board 2, first grade of pin 21, back-up ring 22, first rotating shaft 23, second direction board 3, second grade of pin 31, back-up ring 32, second rotating shaft 33, baffle plate 4, connecting rod 41, pivot pin 42, pivot pin 43, axle sleeve 44.
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 2, Fig. 3, Fig. 4, Fig. 2 is the structural representation of the three-station operating mechanism of solid insulation ring main unit among Fig. 1; Fig. 3 is the structural representation of operating means among Fig. 2; Structural representation when the interlocking device that Fig. 4 provides for the utility model is in the isolating switch "on" position.
The interlocking device that the utility model provides is used for being interlocked in isolated operation end, the ground connection operating side of three station manipulation mechanisms of solid insulation ring main unit, and for the ease of introducing this interlocking device, present embodiment is simply introduced three station manipulation mechanisms earlier.
The interlocking device that the utility model provides is used for being interlocked in isolated operation end, the ground connection operating side of three station manipulation mechanisms of solid insulation ring main unit, and for the ease of introducing this interlocking device, present embodiment is simply introduced three station manipulation mechanisms earlier.
As Fig. 2, shown in Figure 3, three station manipulation mechanisms comprise operating mechanism, actuator 306, wherein operating mechanism comprises isolation rotating shaft 301, ground connection rotating shaft 302, isolate rotating shaft 301 1 ends, one end of ground connection rotating shaft 302 forms the isolated operation end respectively, the ground connection operating side, isolate rotating shaft 301 other ends, the other end of ground connection rotating shaft 302 carries out transmission by an end of first gear mechanism 303 and power transmission shaft 304, the other end of power transmission shaft 304 carries out transmission by second gear mechanism 305 with actuator 306, actuator 306 is under the dynamic action that power transmission shaft 304 transmits, can realize that isolating switch is closing a floodgate, ground connection, the operation of three stations of separating brake, because actuator 306 is irrelevant with utility model point of the present utility model, the application is not described in detail at this.
For the ease of operating above-mentioned isolated operation end, ground connection operating side, be provided with support 1 at solid insulation ring main unit front end, be respectively equipped with isolated operation hole, ground connection handle hole on the support 1, described isolated operation end, ground connection operating side lay respectively in described isolated operation hole, the ground connection handle hole.
The interlocking device that the application provides comprises rotatable baffle plate 4, first direction board 2, second direction board 3, described baffle plate 4 is by pivot pin 42 rotatable being arranged on the described support 1, described baffle plate 4 is positioned at described isolated operation end, the outside of described ground connection operating side, this baffle plate 4 is used for optionally blocking described isolated operation hole or described ground connection handle hole, described first direction board 2, the inboard of described second direction board 3 is respectively equipped with can be against first grade of pin 21 of described baffle plate 4 outers, second grade of pin 31, by rotating described first direction board 2, described second direction board 3, also namely by adjusting first grade of pin 21, the position of second grade of pin 31, described baffle plate 4 can be in and only block described isolated operation hole, only block described ground connection handle hole, block described isolated operation hole simultaneously, three positions of described ground connection handle hole.
The operation principle of the interlocking device that the utility model is provided below in conjunction with accompanying drawing is simply introduced.
As shown in Figure 4, when isolating switch is in "on" position, fail against the position of baffle plate 4 second grade of pin 31 lower left that are in baffle plate 4 that first grade of first direction board, 2 inboards pin 21 is positioned at baffle plate 4 upper left sides and keeping off baffle plate 4, the second direction boards 3 inboards, and this moment, baffle plate 4 can only be rotated counterclockwise; As shown in Figure 5, be rotated counterclockwise baffle plate 4 preset angles, with baffle plate 4 Rotate 180s °, baffle plate 4 is in the position of only blocking described ground connection handle hole in the present embodiment, has namely opened the isolated operation hole in left side, can be to isolating rotating shaft 301 operations; As shown in Figure 6, be rotated counterclockwise and isolate rotating shaft 301 preset angles, will isolate rotating shaft 301 Rotate 180s ° in the present embodiment, namely isolating switch is in gate-dividing state, and first direction board 2 is rotated counterclockwise simultaneously, moves on first grade of pin 21, and releasing is spacing to baffle plate 4; As shown in Figure 7, promote baffle plate 4 rotations clockwise, because the spacing releasing of first grade of pin 21, baffle plate 4 is in the position of only blocking described isolated operation hole, has namely opened the ground connection handle hole of the ground connection rotating shaft 302 on right side; As shown in Figure 8, ground connection rotating shaft 302 turns clockwise 180 °, and namely isolating switch is in ground state, and second direction board 3 is rotated counterclockwise simultaneously, sells the position, lateral confinement position, lower-left that moves to baffle plate 4 on 31 for second grade; As shown in Figure 9, be rotated counterclockwise baffle plate 4, baffle plate 4 is in the position of blocking described isolated operation hole and described ground connection handle hole simultaneously, because second grade of pin 31 is spacing, baffle plate 4 can not continue rotation, namely guarantee to operate under the ground state and isolate rotating shaft 301, realize the operation interlocking of three station manipulation mechanisms.
The utility model is realized the operation interlocking of three-station operating mechanism by the armstrong's patent operation of first direction board 2, second direction board 3, baffle plate 4, guarantees flexibility and the fail safe of operation, avoid isolating and ground connection between mistake behaviour.
In the concrete scheme, for the ease of operation baffle plate 4, the interlocking device that the application provides also comprises connecting rod 41, and as shown in Figure 4, an end of connecting rod 41 is baffle plate 4 round ends, the other end is provided with pivot pin 43, baffle plate 4 is provided with elongated slot, and pivot pin 43 slidably is stuck in the described elongated slot, rotates described baffle plate 4 round ends, pivot pin 43 can slide in described elongated slot, drives baffle plate 4 simultaneously and in the opposite direction rotates around pivot pin 42.
In the preferred scheme, described baffle plate 4 round ends can adopt operating grip to rotate described axle sleeve 44 for being located at the axle sleeve 44 of connecting rod 41 ends, and operating grip is inserted in the described axle sleeve 44, axle sleeve 44 is clockwise or when being rotated counterclockwise, and described baffle plate 4 will be counterclockwise or the clockwise direction rotation.
In the concrete scheme, the pivot of described first direction board 2 is fixedly mounted in described first rotating shaft 23 by back-up ring 22, by rotating first rotating shaft 23, can drive first direction board 2 and carry out corresponding rotation, and then make the shelves pin 21 of winning be in corresponding position; The pivot of described second direction board 3 is fixedly mounted in described second rotating shaft 33 by back-up ring 32, by rotating second rotating shaft 33, can drive second direction board 3 and carry out corresponding rotation, and then make second grade of pin 31 be in corresponding position.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (4)

1. interlocking device, be used for the isolated operation end to three station manipulation mechanisms, interlock in the ground connection operating side, described isolated operation end, described ground connection operating side lays respectively at the isolated operation hole of support, in the ground connection handle hole, it is characterized in that, comprise all rotatable baffle plates, first direction board, second direction board, described baffle plate is arranged on the described support by pivot pin is rotatable, described baffle plate is positioned at described isolated operation end, the outside of described ground connection operating side, described first direction board, the inboard of described second direction board is respectively equipped with can be against first grade of pin of described baffle plate outer, second grade of pin, by adjusting first grade of pin, the position of second grade of pin, described baffle plate can be in only blocks described isolated operation hole, only block described ground connection handle hole, block described isolated operation hole simultaneously, three positions of described ground connection handle hole.
2. interlocking device according to claim 1 is characterized in that, also comprises connecting rod, and an end of described connecting rod is the baffle plate round end, and the other end is provided with pivot pin, and this bearing pin is stuck in the elongated slot of described baffle plate slidably.
3. interlocking device according to claim 2 is characterized in that, described baffle plate round end is the axle sleeve that described interlinking lever end arranges.
4. interlocking device according to claim 1, it is characterized in that, the pivot of described first direction board, described second direction board is respectively equipped with first rotating shaft, second rotating shaft, by the rotation of first rotating shaft, second rotating shaft, makes described first grade of pin, second grade of pin be in corresponding position.
CN 201220728216 2012-12-24 2012-12-24 Interlocking mechanism Expired - Fee Related CN203134681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220728216 CN203134681U (en) 2012-12-24 2012-12-24 Interlocking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220728216 CN203134681U (en) 2012-12-24 2012-12-24 Interlocking mechanism

Publications (1)

Publication Number Publication Date
CN203134681U true CN203134681U (en) 2013-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220728216 Expired - Fee Related CN203134681U (en) 2012-12-24 2012-12-24 Interlocking mechanism

Country Status (1)

Country Link
CN (1) CN203134681U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103165312A (en) * 2012-12-24 2013-06-19 刘晓颖 Interlocking mechanism
CN104051179A (en) * 2014-06-24 2014-09-17 赫兹曼电力(广东)有限公司 Separated isolation/grounding three-station switch operating mechanism for switch cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103165312A (en) * 2012-12-24 2013-06-19 刘晓颖 Interlocking mechanism
CN104051179A (en) * 2014-06-24 2014-09-17 赫兹曼电力(广东)有限公司 Separated isolation/grounding three-station switch operating mechanism for switch cabinet

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130814

Termination date: 20141224