CN102024613A - Cam interlocking mechanism of vacuum switch - Google Patents

Cam interlocking mechanism of vacuum switch Download PDF

Info

Publication number
CN102024613A
CN102024613A CN2009101824192A CN200910182419A CN102024613A CN 102024613 A CN102024613 A CN 102024613A CN 2009101824192 A CN2009101824192 A CN 2009101824192A CN 200910182419 A CN200910182419 A CN 200910182419A CN 102024613 A CN102024613 A CN 102024613A
Authority
CN
China
Prior art keywords
main shaft
cam
interlocking
ground connection
vacuum
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.)
Pending
Application number
CN2009101824192A
Other languages
Chinese (zh)
Inventor
吴建春
汤智
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.)
Jiangyin Yunfeng Electrical Equipment Co Ltd
Original Assignee
Jiangyin Yunfeng Electrical Equipment 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 Jiangyin Yunfeng Electrical Equipment Co Ltd filed Critical Jiangyin Yunfeng Electrical Equipment Co Ltd
Priority to CN2009101824192A priority Critical patent/CN102024613A/en
Publication of CN102024613A publication Critical patent/CN102024613A/en
Pending legal-status Critical Current

Links

Abstract

The invention relates to a cam interlocking mechanism of a vacuum switch, comprising a grounding main shaft (1), a vacuum main shaft (6), an isolating main shaft (8), a vacuum main shaft isolating cam mechanism panel (7), a vacuum main shaft interlocking cam (12), an isolating main shaft interlocking cam (9), an idler wheel (14), a grounding main shaft cam (2), an isolating main shaft cam (10), a grounding and isolating interlocking idler wheel (3), a grounding and isolating interlocking connection slice fixed member (11), a grounding and isolating interlocking connection rod (5) and an interlocking fixed member supporting rod (13), wherein the vacuum main shaft (6) and the isolated main shaft (8) are installed on the vacuum main shaft isolating cam mechanism panel (7), the vacuum main shaft interlocking cam (12) and the isolating main shaft interlocking cam (9) are respectively installed on the vacuum main shaft (6) and the isolated main shaft (8), and the grounding main shaft cam (2) and the isolating main shaft cam (10) are respectively installed on the grounding main shaft (1) and the isolating main shaft (8). Only when the vacuum main shaft is in a shutting-on state can the cam interlocking mechanism can operate the isolating main shaft and the grounding main shaft, and the vacuum main shaft cannot be operated when the grounding main shaft is in a shutting-off state.

Description

The cam interlocking device of vacuum switch
(1) technical field
The present invention relates to a kind of vacuum switch, be specifically related to a kind of cam interlocking device of vacuum switch.Belong to electric apparatus control technology field.
(2) background technology
Along with the fast development of urban construction, high-tension electricity is used in the city and is increased gradually, and ring network power supply also increases gradually, and ring network power supply unit and box-type substation arise at the historic moment.Wherein, high-pressure vacuum switch is as the usefulness of cut-offfing load current, overload current and short circuit current, and switch has tangible isolation fracture and ground connection cutter, can guarantee workmen's safety of working on high-voltage fence.In order to guarantee reliable correct operating sequence between vacuum switch, isolating switch and the earthed switch, mechanical interlocking is particularly important with regard to what show reliably between this three.
Before the present invention made, its structure of cam interlocking device of vacuum switch mainly was made up of pin and connecting rod etc. at present.It mainly has the following disadvantages:
1, the four connecting rod interlocking devices anti-misoperation of pin and connecting rod composition is unreliable.If make the long connecting rod bending with powerful misoperation meeting, cause next anti-misoperation effect bad or can not prevent misoperation at all.
2, the possibility of the four connecting rods interlocking interlocking device formation misoperation of pin and connecting rod composition is big.Four connecting rods interlocking interlocking device mainly is made up of pin and connecting rod, and pin has certain wearing and tearing through after the multi-pass operation, makes four connecting rods interlocking interlocking device prevent the poor effect of misoperation.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of and only be in gate-dividing state following time at the vacuum main shaft, can operate and isolate main shaft and ground connection main shaft, the cam interlocking device that under the situation that the ground connection main shaft closes a floodgate, can not operate the vacuum switch of vacuum main shaft.
The object of the present invention is achieved like this: a kind of cam interlocking device of vacuum switch, described mechanism is a kind of ground connection main shaft, vacuum main shaft and isolation main shaft three-shaft linkage cam mechanism, comprise the ground connection main shaft, the vacuum main shaft, isolate main shaft, the vacuum main shaft is isolated the cam mechanism panel, vacuum main shaft interlock cam, isolate the main shaft interlock cam, roller, the ground connection spindle cam, isolate spindle cam, ground connection is isolated the interlocking roller, ground connection is isolated interlocking brace fixture, ground connection is isolated interlocking connecting rod and interlocking fixture support bar, described ground connection main shaft, vacuum main shaft and isolation main shaft be arranged in parallel from bottom to top, vacuum main shaft and isolation main shaft are installed in the vacuum main shaft isolates on the cam mechanism panel, described vacuum main shaft interlock cam and isolation main shaft interlock cam are installed in the vacuum main shaft respectively and isolate on the main shaft, vacuum main shaft interlock cam outer rim is provided with a vacuum main shaft interlock cam cancave cambered surface, isolate main shaft interlock cam outer rim and be provided with two isolation main shaft interlock cam cancave cambered surfaces, described roller is installed in the vacuum main shaft by its roller shaft isolates on the cam mechanism panel, and be arranged between described vacuum main shaft interlock cam and the isolation main shaft interlock cam, the outer rim of this roller is protruded and is provided with a fork, the outer rim of this roller and concavo-convex the matching of described vacuum main shaft interlock cam cancave cambered surface, the fork of this roller matches with the outer rim and the described isolation main shaft interlock cam cancave cambered surface of described isolation main shaft interlock cam, described ground connection spindle cam and isolation spindle cam are installed in the ground connection main shaft respectively and isolate on the main shaft, the outer rim of ground connection spindle cam and isolation spindle cam is respectively arranged with a ground connection spindle cam cancave cambered surface and an isolation spindle cam cancave cambered surface, described ground connection isolates the interlocking roller and ground connection isolation interlocking brace fixture all has two, all isolate the interlocking alignment pin and be rotationally connected with the two ends up and down that described ground connection is isolated the interlocking connecting rod with ground connection, and respectively with described ground connection spindle cam cancave cambered surface and concavo-convex the matching of isolation spindle cam cancave cambered surface, described interlocking fixture support bar has two, each one up and down, isolating interlocking brace fixture with described two ground connection respectively fixedlys connected, and a top interlocking fixture support bar is fixedly connected on described vacuum main shaft isolates on the cam mechanism panel, and is arranged between described vacuum main shaft interlock cam and the isolation spindle cam.
The cam interlocking device of vacuum switch of the present invention only is in gate-dividing state following time at the vacuum main shaft, can operate the isolation main shaft.Isolate under the main shaft gate-dividing state, the ground connection main shaft just can close a floodgate; Under the ground connection main shaft gate-dividing state, isolate main shaft and just can close a floodgate.
Good effect of the present invention is as follows:
1, when the outer margin arc-surface of ground connection isolation interlocking roller is pressed into the ground connection spindle cam or isolates the cancave cambered surface of spindle cam, forms self-locking.All can't rotate with great powerful operation isolation main shaft or ground connection main shaft 1, thereby prevent misoperation, and more reliable, practicality.
2, ground connection spindle cam, isolation spindle cam and ground connection isolation interlocking roller are that arc surface contacts, even wearing and tearing do not influence fool proof reliability yet.
To sum up, the present invention is because employing double cam interlocking and ground connection main shaft, vacuum main shaft and isolation main shaft interlocking have auto-lock function, so avoided misoperation.
(4) description of drawings
Fig. 1 is the general structure schematic diagram of the cam interlocking device state one of vacuum switch of the present invention.
Fig. 2 is the general structure schematic diagram of the cam interlocking device state two of vacuum switch of the present invention.
Fig. 3 is the partial enlarged drawing on Fig. 1 top.
Among the figure: ground connection main shaft 1, ground connection spindle cam 2, ground connection isolate that interlocking roller 3, ground connection isolate that interlocking alignment pin 4, ground connection isolate that interlocking connecting rod 5, vacuum main shaft 6, vacuum main shaft are isolated cam mechanism panel 7, isolate main shaft 8, isolate main shaft interlock cam 9, isolated spindle cam 10, ground connection is isolated interlocking brace fixture 11, vacuum main shaft interlock cam 12, interlocking fixture support bar 13, roller 14; Ground connection spindle cam cancave cambered surface 2.1, isolation main shaft interlock cam cancave cambered surface 9.1, isolation spindle cam cancave cambered surface 10.1, vacuum main shaft interlock cam cancave cambered surface 12.1, fork 14.1.
(5) embodiment
Referring to Fig. 1~3, the cam interlocking device of vacuum switch of the present invention is a kind of ground connection main shaft, vacuum main shaft and isolation main shaft three-shaft linkage cam mechanism.Mainly by ground connection main shaft 1, vacuum main shaft 6, isolate that main shaft 8, vacuum main shaft are isolated cam mechanism panel 7, vacuum main shaft interlock cam 12, isolated main shaft interlock cam 9, roller 14, ground connection spindle cam 2, isolate spindle cam 10, ground connection and isolate interlocking roller 3, ground connection and isolate that interlocking brace fixture 11, ground connection are isolated interlocking alignment pin 4, ground connection isolates interlocking connecting rod 5 and interlocking fixture support bar 13 is formed.Described ground connection main shaft 1, vacuum main shaft 6 and isolation main shaft 8 be arranged in parallel from bottom to top, vacuum main shaft 6 and isolation main shaft 8 are installed in the vacuum main shaft isolates on the cam mechanism panel 7, described vacuum main shaft interlock cam 12 and isolation main shaft interlock cam 9 are installed in vacuum main shaft 6 respectively and isolate on the main shaft 8, vacuum main shaft interlock cam 12 outer rims are provided with a vacuum main shaft interlock cam cancave cambered surface 12.1, isolate main shaft interlock cam 9 outer rims and be provided with two isolation main shaft interlock cam cancave cambered surfaces 9.1, roller 14 is installed in the vacuum main shaft by its roller shaft isolates on the cam mechanism panel 7, and be arranged between described vacuum main shaft interlock cam 12 and the isolation main shaft interlock cam 9, the outer rim of this roller 14 is protruded and is provided with a fork 14.1, vacuum main shaft interlock cam cancave cambered surface 12.1 concavo-convex the matching of the outer rim of this roller 14 and described vacuum main shaft interlock cam 12 outer rims, the fork 14.1 of this roller 14 matches with the outer rim and the described isolation main shaft interlock cam cancave cambered surface 9.1 of described isolation main shaft interlock cam 9, described ground connection spindle cam 2 and isolation spindle cam 10 are installed in ground connection main shaft 1 respectively and isolate on the main shaft 8, the outer rim of ground connection spindle cam 2 and isolation spindle cam 10 is respectively arranged with a ground connection spindle cam cancave cambered surface 2.1 and an isolation spindle cam cancave cambered surface 10.1, described ground connection isolates interlocking roller 3 and ground connection isolation interlocking brace fixture 11 all has two, all isolate interlocking alignment pin 4 and be rotationally connected with the two ends up and down that described ground connection is isolated interlocking connecting rod 5 with ground connection, and respectively with described ground connection spindle cam cancave cambered surface 2.1 and isolation spindle cam cancave cambered surface 10.1 concavo-convex matching, described interlocking fixture support bar 13 has two, each one up and down, isolating interlocking brace fixture 11 with described two ground connection respectively fixedlys connected, and a top interlocking fixture support bar 13 is fixedly connected on described vacuum main shaft isolates on the cam mechanism panel 7, and is arranged between described vacuum main shaft interlock cam 12 and the isolation spindle cam 10.
When vacuum main shaft 6 turns to certain angle vacuum main shaft when being in "on" position, the vacuum main shaft interlock cam cancave cambered surface 12.1 of vacuum main shaft interlock cam 12 outer rims contacts with roller 14 outer rims, promoting roller 14 is pressed in the isolation main shaft interlock cam cancave cambered surface 9.1 of isolating main shaft interlock cam 9 outer rims it, isolation main shaft 8 can't be rotated, thereby play the effect that interlocking prevents misoperation, vice versa.When isolation main shaft 8 turns to certain angle, isolate the isolation main shaft interlock cam cancave cambered surface 9.1 contact ground connection of the outer rim of main shaft interlock cam 9 and isolate interlocking roller 3, promote ground connection and isolate interlocking brace 11 fixtures around 13 rotations of interlocking fixture support bar, make ground connection isolate 5 actions of interlocking connecting rod, and it drives, and its other end ground connection is isolated interlocking brace fixture 11 and ground connection is isolated interlocking roller 3, make ground connection isolate the ground connection spindle cam cancave cambered surface 2.1 that interlocking roller 3 is pressed into grounding shaft cam 2 outer rims, thereby block the rotation of isolating main shaft 1, realize isolating reciprocal interlocking between main shaft 8 and the ground connection main shaft 1.Vice versa.

Claims (1)

1. the cam interlocking device of a vacuum switch, it is characterized in that described mechanism is a kind of ground connection main shaft, vacuum main shaft and isolation main shaft three-shaft linkage cam mechanism, comprise ground connection main shaft (1), vacuum main shaft (6), isolate main shaft (8), the vacuum main shaft is isolated cam mechanism panel (7), vacuum main shaft interlock cam (12), isolate main shaft interlock cam (9), roller (14), ground connection spindle cam (2), isolate spindle cam (10), ground connection is isolated interlocking roller (3), ground connection is isolated interlocking brace fixture (11), ground connection is isolated interlocking connecting rod (5) and interlocking fixture support bar (13), described ground connection main shaft (1), vacuum main shaft (6) and isolation main shaft (8) be arranged in parallel from bottom to top, vacuum main shaft (6) and isolation main shaft (8) are installed in the vacuum main shaft isolates on the cam mechanism panel (7), described vacuum main shaft interlock cam (12) and isolation main shaft interlock cam (9) are installed in vacuum main shaft (6) respectively and isolate on the main shaft (8), vacuum main shaft interlock cam (12) outer rim is provided with a vacuum main shaft interlock cam cancave cambered surface (12.1), isolate main shaft interlock cam (9) outer rim and be provided with two isolation main shaft interlock cam cancave cambered surfaces (9.1), described roller (14) is installed in the vacuum main shaft by its roller shaft isolates on the cam mechanism panel (7), and be arranged between described vacuum main shaft interlock cam (12) and the isolation main shaft interlock cam (9), the outer rim of this roller (14) is protruded and is provided with a fork (14.1), outer rim of this roller (14) and concavo-convex the matching of described vacuum main shaft interlock cam cancave cambered surface (12.1), the fork (14.1) of this roller (14) matches with the outer rim of described isolation main shaft interlock cam (9) and described isolation main shaft interlock cam cancave cambered surface (9.1), described ground connection spindle cam (2) and isolation spindle cam (10) are installed in ground connection main shaft (1) respectively and isolate on the main shaft (8), the outer rim of ground connection spindle cam (2) and isolation spindle cam (10) is respectively arranged with a ground connection spindle cam cancave cambered surface (2.1) and an isolation spindle cam cancave cambered surface (10.1), described ground connection isolates interlocking roller (3) and ground connection isolation interlocking brace fixture (11) all has two, all isolate interlocking alignment pin (4) and be rotationally connected with the two ends up and down that described ground connection is isolated interlocking connecting rod (5) with ground connection, and respectively with described ground connection spindle cam cancave cambered surface (2.1) and concavo-convex the matching of isolation spindle cam cancave cambered surface (10.1), described interlocking fixture support bar (13) has two, each one up and down, isolating interlocking brace fixture (11) with described two ground connection respectively fixedlys connected, and a top interlocking fixture support bar (13) is fixedly connected on described vacuum main shaft isolates on the cam mechanism panel (7), and is arranged between described vacuum main shaft interlock cam (12) and the isolation spindle cam (10).
CN2009101824192A 2009-09-14 2009-09-14 Cam interlocking mechanism of vacuum switch Pending CN102024613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101824192A CN102024613A (en) 2009-09-14 2009-09-14 Cam interlocking mechanism of vacuum switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101824192A CN102024613A (en) 2009-09-14 2009-09-14 Cam interlocking mechanism of vacuum switch

Publications (1)

Publication Number Publication Date
CN102024613A true CN102024613A (en) 2011-04-20

Family

ID=43865789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101824192A Pending CN102024613A (en) 2009-09-14 2009-09-14 Cam interlocking mechanism of vacuum switch

Country Status (1)

Country Link
CN (1) CN102024613A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143771A (en) * 2014-08-04 2014-11-12 南通星宇电气有限公司 High-voltage switch board
CN104471806A (en) * 2012-07-13 2015-03-25 三菱电机株式会社 Switch gear
CN104538242A (en) * 2015-01-08 2015-04-22 宁波穆勒电气有限公司 Lock mechanism for high pressure vacuum circuit breaker
CN107644777A (en) * 2017-10-27 2018-01-30 成都亨通兆业精密机械有限公司 A kind of high voltage isolator cabinet interlocking device for cable vault door

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104471806A (en) * 2012-07-13 2015-03-25 三菱电机株式会社 Switch gear
CN104143771A (en) * 2014-08-04 2014-11-12 南通星宇电气有限公司 High-voltage switch board
CN104143771B (en) * 2014-08-04 2016-05-04 南通星宇电气有限公司 A kind of high-tension switch cabinet
CN104538242A (en) * 2015-01-08 2015-04-22 宁波穆勒电气有限公司 Lock mechanism for high pressure vacuum circuit breaker
CN107644777A (en) * 2017-10-27 2018-01-30 成都亨通兆业精密机械有限公司 A kind of high voltage isolator cabinet interlocking device for cable vault door

Similar Documents

Publication Publication Date Title
CN102024613A (en) Cam interlocking mechanism of vacuum switch
CN205490282U (en) Motor control circuit that is just reversing
CN101504894A (en) Intelligent high voltage duplicate power source converting switch
CN201387841Y (en) Cam interlocking mechanism of vacuum switch
CN201490081U (en) Lightning protection device of 10KV vacuum circuit breaker
CN204390924U (en) The dynamic contact mechanism of dual-power transfer switch
CN203674005U (en) Triaxial interlocking device
CN201478187U (en) Manual-electric integrated operation mechanism for 10 kV vacuum circuit breaker
CN201387836Y (en) Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch
CN105680358B (en) A kind of rotation pull-out type high-pressure vacuum breaker
CN202282288U (en) Seesaw switch with two-circuit structure and forced disconnection function
CN101635224A (en) Manual and electrical integral operating mechanism of 10KV vacuum circuit breaker
CN206602050U (en) A kind of automatic transfer switching equipment mechanical chain mechanism
CN204516667U (en) A kind of vacuum circuit-breaker
CN205429548U (en) Drawout breaker
CN204270929U (en) Circuit interrupter grounding switch integrated operating mechanism
CN202084455U (en) Misoperation prevention isolating switch of transformer station
CN101866773A (en) Three-post horizontally turning type extra-high voltage series compensation parallel-connection isolation switch
CN201229896Y (en) Interlocking control apparatus for opening and closing of outdoor vacuum circuit breaker
CN101431218A (en) Intelligent duplicate supply switching device
CN203521293U (en) Automatic-switching central-positioned withdrawable-type vacuum circuit breaker
CN203573845U (en) Outdoor high-voltage isolation switch
CN103441015B (en) Double-power-supply incoming line load switch locking device
CN203607270U (en) Double-throw load switch
CN201601038U (en) Permanent magnet circuit breaker capable of being switched manually when there is non external power

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20110420