CN103326291A - Interlocking device for bus duct plug box - Google Patents

Interlocking device for bus duct plug box Download PDF

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Publication number
CN103326291A
CN103326291A CN2013102228910A CN201310222891A CN103326291A CN 103326291 A CN103326291 A CN 103326291A CN 2013102228910 A CN2013102228910 A CN 2013102228910A CN 201310222891 A CN201310222891 A CN 201310222891A CN 103326291 A CN103326291 A CN 103326291A
Authority
CN
China
Prior art keywords
interlocking
interlocking shaft
snap close
bus duct
movable
Prior art date
Application number
CN2013102228910A
Other languages
Chinese (zh)
Other versions
CN103326291B (en
Inventor
郑光乐
Original Assignee
珠海光乐电力母线槽有限公司
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 珠海光乐电力母线槽有限公司 filed Critical 珠海光乐电力母线槽有限公司
Priority to CN201310222891.0A priority Critical patent/CN103326291B/en
Publication of CN103326291A publication Critical patent/CN103326291A/en
Application granted granted Critical
Publication of CN103326291B publication Critical patent/CN103326291B/en

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Abstract

The invention discloses an interlocking device for a bus duct plug box, and belongs to the field of electrical technology. The interlocking device comprises lock catches, moving parts, an interlocking shaft, transmission parts and a moving shaft. The lock catches are two in number and symmetrically arranged on the two sides of a bus duct which is locked on a box body. The transmission parts are used for connecting the lock catches with the moving parts. The interlocking shaft is one in number, end portions of the interlocking shaft are jointly hinged to the moving parts, the interlocking shaft can drive the moving parts on the two sides to move simultaneously, an interlocking base used for being connected with the interlocking shaft in an inserted mode is installed on the box body, a spring enabling the interlocking shaft to reset is installed in the interlocking base, and a fixture block capable of moving along with the interlocking shaft to compress or stretch the spring is arranged on the interlocking shaft. The interlocking device is ingenious in structural design, convenient to operate and safe to use, only when load of equipment is stopped can a box door be opened, and then the plug box can be pulled away from the bus duct, casualties and equipment damage caused by man-made misoperation are prevented, the two lock catches operate at the same time, and an out-of-step situation cannot appear.

Description

A kind of interlock for busway inserting case
Technical field
The present invention relates to a kind of interlock for busway inserting case, belong to technical field of electricity.
Background technology
Along with China's urban modernization is fast-developing, people's living standard improves constantly, country is also more and more higher for the safety requirements of electricity consumption and the person, the bus duct that is used for the electric power conveying route is widely used in the building place that hotel, office building, commercial square, stadium, airport, cinema, hospital, school, industrial producer, aerospace enterprise group, military enterprise, shipbuilding enterprise etc. need to use electric power, so the security performance of bus duct and stability are most important.
The branched line of existing bus duct is provided with jack switch case branch, although branch's jack switch case in the past is provided with interlock, but interlock imperfection, in case the user is in the situation that switch-box load plug jack switch case, will easily cause electric arc, the staff is damaged, and may damage equipment.
Be in the application for a patent for invention file of CN101436766A such as publication number, announced a kind of device for locking busway inserting case, by clamp and the screw that is installed on the housing bus duct is locked on the jack box, although this locking device is simple in structure, but inconvenient operation, the loading and unloading bus duct is all undertaken by slack adjuster, and can't guarantee whether jack box unloads.In addition, publication number is that the application for a patent for invention file of CN102412540A has been announced another kind of device for locking busway inserting case, realize the contraction of left and right locking bail by the elastic force of back-moving spring, make left and right locking bail hook bus groove case, thereby the jack box locking with bus duct, although this kind structure operation is comparatively convenient, but complex structure, need to drive locking bail by two roof door bars respectively, be not that two roof door bars are all pressed simultaneously when chamber door covers, therefore can cause jack box to be installed asynchronous, jack box shakes after installing.This locking device also needs to arrange linkage board and connects two locking bails, the structure display of product is got very complicated, and can block the lead-out wire of jack box, and product easily breaks down, the increase cost of equipment maintenance.
Summary of the invention
For addressing the above problem, the invention provides a kind of easy to operate, the safe interlock that is used for busway inserting case.
The present invention is that the technical scheme that its problem of solution adopts is:
A kind of interlock for busway inserting case comprises snap close, movable part, interlocking shaft, driving member and movable axis.Described snap close is two, be symmetricly set on the both sides of bus duct, snap close is positioned at the casing outside, therefore be connected with driving member by movable axis, can realize that snap close and driving member rotate synchronously around movable axis, driving member rotates, and drives movable axis and rotates, and then snap close is rotated, thereby casing is locked on the bus duct.Described driving member be used for to connect snap close and movable part, with the transmission of power of movable part to snap close.Described interlocking shaft is one, common hinged those movable parts in its end, the movable part that can drive simultaneously both sides moves, and the interlocking seat for the grafting interlocking shaft is installed on the casing, interlocking shaft can be in the interlocking seat traveling priority, thereby the driving movable part moves.In the interlocking seat spring that interlocking shaft is resetted is installed, interlocking shaft is provided with and can moves to compress or the fixture block of extension spring with interlocking shaft.
Preferably, also comprise the operating grip with the mechanical interlocking function that is rotatably installed on the chamber door, when this operating grip turns to the primary importance combined floodgate, the energising of jack box output, and chamber door is clamped on the casing by the operating grip with interlocking; When this operating grip turns to second place separating brake, the outage of jack box output, the operating grip of band interlocking breaks away from the snap close chamber door and can be opened.
The invention has the beneficial effects as follows: when interlocking shaft is pressed downward, interlocking shaft promotes movable part, and two movable parts are respectively to two side shiftings, and driving member is also to two side shiftings, and power is sent to snap close by movable axis, promote snap close and rotate around movable axis, the snap close of both sides is stuck on the bus duct simultaneously, nonsynchronous situation can not occur, and, after jack box closed a floodgate, the snap close of both sides all drew locking in to the centre, jack box can't be plugged on the bus duct.
Opposite, after the output unloading of jack box, spring upwards pushes away interlocking shaft automatically, interlocking shaft is resetted, and movable part moves up simultaneously, and the driving member of both sides draws in to the centre, the drive movable axis rotates, and then makes the snap close of both sides break away from simultaneously bus duct, and the total design is ingenious, easy to operate, use safety, only have jack box to stop load after, chamber door is opened, jack box can insert or pull away bus duct, thereby prevents that the people from causing casualties and equipment impaired for misoperation.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the scheme of installation of the present invention and casing, chamber door;
Fig. 3 is chamber door when opening, the view of interlock of the present invention;
Fig. 4 is the view of interlock chucking bus duct of the present invention;
Fig. 5 is chamber door when opening, the view of interlock and bus duct;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the installation schematic perspective view of jack box of the present invention and bus duct.
Embodiment
Such as accompanying drawing 1 to a kind of interlock for busway inserting case shown in the accompanying drawing 7, comprise snap close 4, movable part 5, interlocking shaft 6, driving member 10 and movable axis 11, this busway inserting case comprises chamber door 1 and casing 2, and the end face of casing 2 is provided with can be by the through hole 21 of jack box lead-out wire.Described snap close 4 is two, is symmetricly set on the both sides of bus duct 3, and through hole 21 is positioned in the middle of two snap closes 4, need leave enough spaces between the snap close 4 and interfere with lead-out wire avoiding.Two snap closes 4 all are positioned at casing 2 outsides, therefore are fixedly connected with driving member 10 by movable axis 11, can realize that snap close 4 and driving member 10 rotate synchronously around movable axis 11, driving member 10 rotates, drive movable axis 11 and rotate, and then snap close 4 is rotated, thereby casing 2 is locked on the bus duct 3.Described driving member 10 is used for connecting snap close 4 and movable part 5, with the transmission of power of movable part 5 to snap close 4.Described interlocking shaft 6 is one, common hinged those movable parts 5 in its end, and the movable part 5 that can drive simultaneously both sides moves, and the other end of interlocking shaft 6 is supported on chamber door 1, is subjected to chamber door 1 to press and move up and down.Interlocking seat 7 for grafting interlocking shaft 6 is installed on the casing 2, and described interlocking seat 7 is a tube-in-tube structure, is fixed by screws in all around on the casing 2, and interlocking shaft 6 can at interlocking seat 7 interior traveling priorities, move thereby drive movable part 5.In the interlocking seat 7 spring 8 that interlocking shaft 6 is resetted is installed, interlocking shaft 6 is provided with and can moves to compress or the fixture block 9 of extension spring 8 with interlocking shaft 6.When spring 8 is installed in fixture block 9 and deviates from a side of chamber door 1, can adopt stage clip; When spring 8 is installed in fixture block 9 near a side of chamber doors 1, then adopt extension spring, can both be so that after chamber door 1 open, spring 8 automatic liftings.
Below in conjunction with accompanying drawing the course of work of the present invention is further described, when chamber door 1 covers on casing 2, interlocking shaft 6 is pressed downward, interlocking shaft 6 promotes 5, two movable parts 5 of movable part respectively to two side shiftings, and driving member 10 is also to two side shiftings, and power is sent to snap close 4 by movable axis 11, promote snap close 4 and rotate around movable axis 11, the snap close 4 of both sides is stuck on the bus duct 3 simultaneously, nonsynchronous situation can not occur.And after the jack box combined floodgate, the snap close 4 of both sides all draws locking in to the centre, jack box can't be plugged on the bus duct 3, thereby can prevent that the rear and charged bus duct 3 of jack box combined floodgate is connected generation electric arc and hurts sb.'s feelings, and improves Product Safety.Opposite, after the output unloading of jack box, the operator opens chamber door 1, spring 8 upwards pushes away interlocking shaft 6 automatically, interlocking shaft 6 is resetted, movable part 5 moves up simultaneously, and the driving member 10 of both sides draws in to the centre, drives movable axis 11 and rotates, and then make the snap close 4 of both sides break away from simultaneously bus duct 3, the total design is ingenious, easy to operate, uses safety, after only having equipment to stop load, chamber door 1 is opened, and jack box can pull away bus duct 3, thereby prevents that the people from causing casualties and equipment impaired for misoperation.
Such as accompanying drawing 2 to shown in the accompanying drawing 7, be rotatablely equipped with the operating grip 12 with the mechanical interlocking function on the chamber door 1, operating grip 12 can be controlled the connection of jack box internal circuit or disconnect, simultaneously, be provided with the retaining structure that can block chamber door 1 on the operating grip 12, so that operating grip 12 turns to primary importance when closing a floodgate, the output energising of jack box, and chamber door 1 is clamped on the casing 2 by the operating grip 12 of band interlocking, the operator can't arbitrarily open chamber door 1, and snap close 4 just is locked on the bus duct 3 all the time.When this operating grip 12 turns to second place separating brake, the outage of the output of jack box, the operating grip 12 of band interlocking breaks away from, and chamber door 1 can be opened, and snap close 4 unclamps bus duct 3 thereupon, and jack box can be separated from bus duct 3.
Above specification is described, only is principle of the present invention and embodiment, everyly carries out any simple modification and variation according to essence of the present invention, all belongs within the protection range of the presently claimed invention.

Claims (2)

1. an interlock that is used for busway inserting case is characterized in that, comprises snap close (4), movable part (5), interlocking shaft (6), driving member (10) and movable axis (11);
Described snap close (4) is two, is symmetricly set on the both sides of bus duct (3), and snap close (4) is connected with driving member (10) by movable axis (11), and bus duct (3) is locked on the casing (2);
Described driving member (10) be used for to connect snap close (4) and movable part (5), with the transmission of power of movable part (5) to snap close (4);
Described interlocking shaft (6) is one, common hinged those movable parts (5) in its end, the movable part (5) that can drive simultaneously both sides is mobile, interlocking seat (7) for grafting interlocking shaft (6) is installed on the casing (2), in the interlocking seat (7) spring (8) that interlocking shaft (6) is resetted is installed, interlocking shaft (6) is provided with can be with the mobile fixture block (9) with compression or extension spring (8) of interlocking shaft (6).
2. a kind of interlock for busway inserting case according to claim 1, it is characterized in that, also comprise the operating grip with the mechanical interlocking function (12) that is rotatably installed on the chamber door (1), when this operating grip (12) turns to the primary importance combined floodgate, the energising of jack box output, and chamber door (1) is clamped on the casing (2) by the operating grip (12) with interlocking; When this operating grip (12) turns to second place separating brake, the outage of jack box output, the operating grip (12) of band interlocking breaks away from snap close chamber door (1) and can be opened.
CN201310222891.0A 2013-06-06 2013-06-06 Interlocking device for bus duct plug box CN103326291B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310222891.0A CN103326291B (en) 2013-06-06 2013-06-06 Interlocking device for bus duct plug box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310222891.0A CN103326291B (en) 2013-06-06 2013-06-06 Interlocking device for bus duct plug box

Publications (2)

Publication Number Publication Date
CN103326291A true CN103326291A (en) 2013-09-25
CN103326291B CN103326291B (en) 2017-02-08

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CN201310222891.0A CN103326291B (en) 2013-06-06 2013-06-06 Interlocking device for bus duct plug box

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573764A (en) * 2013-11-05 2014-02-12 江苏威腾母线有限公司 Locking device of bus duct jack box
CN106207907A (en) * 2015-05-08 2016-12-07 江苏向荣电气有限公司 Novel plugging case fixture
CN107623296A (en) * 2017-08-30 2018-01-23 扬中市扬子铝加工有限公司 A kind of busway inserting case
CN110593665A (en) * 2019-09-11 2019-12-20 国网山东省电力公司金乡县供电公司 Transformer substation's wire casing
CN110739587A (en) * 2019-10-29 2020-01-31 威腾电气集团股份有限公司 plug box pin pressing interlocking device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254974A (en) * 1999-11-30 2000-05-31 上海精成电器成套厂 Interlocking plug-in box for bus bar
CN101436766A (en) * 2008-12-11 2009-05-20 江苏威腾母线有限公司 Device for locking busway inserting case
CN201332051Y (en) * 2009-01-17 2009-10-21 佛山市顺德森源电气有限公司 Operation mechanism interlocking apparatus of high-voltage vacuum circuit breaker
CN102412540A (en) * 2011-12-04 2012-04-11 江苏金华厦电气有限公司 Bus duct jack box locking device
CN203377564U (en) * 2013-06-06 2014-01-01 珠海光乐电力母线槽有限公司 Interlocking device for bus groove plugging box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254974A (en) * 1999-11-30 2000-05-31 上海精成电器成套厂 Interlocking plug-in box for bus bar
CN101436766A (en) * 2008-12-11 2009-05-20 江苏威腾母线有限公司 Device for locking busway inserting case
CN201332051Y (en) * 2009-01-17 2009-10-21 佛山市顺德森源电气有限公司 Operation mechanism interlocking apparatus of high-voltage vacuum circuit breaker
CN102412540A (en) * 2011-12-04 2012-04-11 江苏金华厦电气有限公司 Bus duct jack box locking device
CN203377564U (en) * 2013-06-06 2014-01-01 珠海光乐电力母线槽有限公司 Interlocking device for bus groove plugging box

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573764A (en) * 2013-11-05 2014-02-12 江苏威腾母线有限公司 Locking device of bus duct jack box
CN106207907A (en) * 2015-05-08 2016-12-07 江苏向荣电气有限公司 Novel plugging case fixture
CN106207907B (en) * 2015-05-08 2018-05-08 江苏向荣电气有限公司 Jack box fixing piece
CN107623296A (en) * 2017-08-30 2018-01-23 扬中市扬子铝加工有限公司 A kind of busway inserting case
CN110593665A (en) * 2019-09-11 2019-12-20 国网山东省电力公司金乡县供电公司 Transformer substation's wire casing
CN110739587A (en) * 2019-10-29 2020-01-31 威腾电气集团股份有限公司 plug box pin pressing interlocking device

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Granted publication date: 20170208

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