CN101425406A - Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet - Google Patents

Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet Download PDF

Info

Publication number
CN101425406A
CN101425406A CNA2007100475922A CN200710047592A CN101425406A CN 101425406 A CN101425406 A CN 101425406A CN A2007100475922 A CNA2007100475922 A CN A2007100475922A CN 200710047592 A CN200710047592 A CN 200710047592A CN 101425406 A CN101425406 A CN 101425406A
Authority
CN
China
Prior art keywords
lock pin
lockpin
hole
interlocking
connecting lever
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.)
Granted
Application number
CNA2007100475922A
Other languages
Chinese (zh)
Other versions
CN101425406B (en
Inventor
陈庆钱
程希安
李冲
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.)
Shanghai China-science Electric (Group) Co Ltd
Original Assignee
Shanghai China-science Electric (Group) 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 Shanghai China-science Electric (Group) Co Ltd filed Critical Shanghai China-science Electric (Group) Co Ltd
Priority to CN2007100475922A priority Critical patent/CN101425406B/en
Publication of CN101425406A publication Critical patent/CN101425406A/en
Application granted granted Critical
Publication of CN101425406B publication Critical patent/CN101425406B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Trip Switchboards (AREA)

Abstract

The invention relates to a misoperation prevention interlocking device of a low-voltage drawer-type switch cabinet, which comprises an interlocking control handle, an interlocking connecting lever, a hanging pin, a lockpin, a lockpin bracket, a wire-incoming plug operating hole and a lockpin hole; the interlocking control handle is sleeved at the upper end of the interlocking connecting lever, and the lower end of the interlocking connecting lever is connected with the end of the lockpin through the hanging pin; the lockpin bracket is arranged in the middle of the lockpin, and the lockpin can move on the lockpin bracket through a reciprocated way; the lockpin hole is arranged at the top end of the lockpin, namely, the side of the main wire-incoming plug operating hole; and when a wire-incoming plug is in the position of complete splicing, the top end of the lockpin is just locked in the wire-incoming plug operating hole through the lockpin hole. The invention remedies the defects of the prior GEAPLUS 2.0 MCC low-voltage drawer-type switch cabinet and provides the misoperation prevention interlocking device which has simple structure, complete function and convenient use, the successful operation can be ensured when operation procedures are right; the operation is unsuccessful when operation procedures are wrong, and the accidents can be prevented from happening effectively.

Description

A kind of incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet
[technical field]
The present invention relates to power supply unit mesolow switch cubicle incorrect operation preventing interlocking apparatus, specifically, be a kind of incorrect operation preventing interlocking apparatus of low pressure drawer-type switch cabinet, refer in particular to a kind of incorrect operation preventing interlocking apparatus of the GEAPLUS2.0MCC of being exclusively used in low pressure drawer-type switch cabinet.
[background technology]
GEAPLUS 2.0MCC low-tension switch cabinet is a kind of low-tension switch cabinet of import, and in its drawout cubicle, but current supply circuit is mainly by bus independent separate or the inlet wire plug that patches, circuit breaker, constitute with the synchronization-moving outlet plug of drawer, output socket.When the power supply drawer unit is in service position, breaker closing operation, if there is not interlock, be easy to cause the charged source of inlet wire plug to separate such misoperation, cause that arc short-circuit has a power failure, and damages the bus of inlet wire plug and grafting thereof.Therefore, be necessary regulation, corresponding anti-misoperation apparatus is set according to the electric equipment safety standard.
At present, the GEAPLUS 2.0MCC low pressure drawer-type switch cabinet on the market prevents that the technical scheme that accident takes place from being mostly: in case when the misoperation of inlet wire plug takes place, with utilizing mild steel rope thimble to touch the release button of circuit breaker, make circuit breaker trip.This is a kind of remedial after misoperation occurring, though the accident that can prevent takes place, can not prevent the generation of misoperation; In addition, this technical scheme is cost with the power failure, can influence normal production operation and causes damage.
[summary of the invention]
The objective of the invention is to overcome the deficiencies in the prior art, a kind of interlock of the drawer unit misoperation that can prevent to power is provided for GEAPLUS 2.0MCC low pressure drawer-type switch cabinet.
For realizing above purpose, the technical scheme that the present invention takes is:
A kind of incorrect operation preventing interlocking apparatus of low pressure drawer-type switch cabinet contains interlocked control handle (that is, the action bars of circuit breaker operation mechanism), it is characterized in that, comprises the interlocking connecting lever, hangs pin, lock pin, lock pin support, inlet wire plug handle hole and lockpin hole; The upper end of interlocking connecting lever is set with the interlocked control handle, and the interlocking connecting lever forms a fixed angle that becomes 45 degree each other with the interlocked control handle; The lower end of interlocking connecting lever is connected with the end of lock pin by hanging pin; Be provided with the lock pin support in the centre position of lock pin, the endoporus that lock pin passes on the lock pin support moves back and forth on the lock pin support; In the position on lock pin top, promptly the side of main inlet wire plug handle hole is provided with a lockpin hole, the size of lockpin hole should be enough to lock pin is passed; When the inlet wire plug was in complete plug-in position, the top of lock pin just was locked in the inlet wire plug handle hole by lockpin hole.
Described lock pin is " L " shape structure, and the lock pin of " L " shape is terminal to be connected with the interlocking connecting lever by hanging pin, and the lock pin top of pin shape is by lockpin hole turnover inlet wire plug handle hole.
The lock pin support that is provided with in the centre position of lock pin has the hole for falling the structure of saddle in the projection on the structure of falling saddle both sides, lock pin is worn and led in the hole.
During operation, clockwise rotate the interlocked control handle of low pressure drawer-type switch cabinet, the interlocked control handle will drive the interlocking connecting lever and rotate, the interlocking connecting lever drives lock pin and moves to inlet wire plug handle hole direction, up to lockpin ventilating being crossed lockpin hole insertion inlet wire plug handle hole and inlet wire plug handle hole being pinned fully, this moment, the action bars of circuit breaker operation mechanism was in the position of closing a floodgate fully.If separate the inlet wire plug, then rotate counterclockwise the interlocked control handle of low pressure drawer-type switch cabinet, the interlocking connecting lever drives lock pin and moves to the direction that deviates from inlet wire plug handle hole, after lockpin ventilating is crossed lockpin hole and is withdrawed from from inlet wire plug handle hole fully, circuit breaker, operating mechanism, action bars are in gate-dividing state completely, and can separate the inlet wire plug this moment.When circuit breaker during in the separating brake position, if the inlet wire plug is pegged graft not in place or not at plug-in position, lock pin just can't insert inlet wire plug handle hole, gets back to closing position with regard to the action bars that has stoped circuit breaker operation mechanism like this.
The present invention has remedied the deficiency of existing GEAPLUS 2.0MCC incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet, the power interlock of drawer unit misoperation of preventing of being provided has successfully avoided the inlet wire plug to divide in the operating mistake of breaker closing, and when the misoperation of inlet wire plug breaker closing during not at plug-in position, have advantage simple in structure, that function is complete, easy to use, prevented the generation of production accident effectively.
[description of drawings]
Lock pin withdrawed from the structural representation of plug-in position when Fig. 1 was breaker open operation of the present invention position;
Lock pin dropped into the structural representation of plug-in position when Fig. 2 was breaker closing of the present invention position.
Label among the figure is respectively:
01, interlocked control handle, 1, the interlocking connecting lever, 2, hang pin, 3, lock pin, 4, the lock pin support, 5, inlet wire plug handle hole, 6, lockpin hole.
[embodiment]
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing.
The incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet of the present invention comprises interlocked control handle (action bars of circuit breaker operation mechanism) 01, interlocking connecting lever 1, hangs pin 2, lock pin 3, lock pin support 4, inlet wire plug handle hole 5.
Interlocked control handle 01 is sleeved on the interlocking connecting lever 1 by the square hole of interlocking connecting lever 1 upper end, utilizes the other outstanding pressure strip of square hole fastening; Relative displacement does not take place with interlocked control handle 01 in interlocking connecting lever 1, forms a fixed angle that becomes 45 degree each other; The lower end of interlocking connecting lever 1 is connected with the end of lock pin 3 by hanging pin 2; Lock pin 3 is " L " shape structure, the lock pin of " L " is terminal to be connected with interlocking connecting lever 1 by hanging pin 2, be provided with lock pin support 4 in the centre position of lock pin 3, lock pin support 4 is for falling the structure of saddle, have the hole in the projection on saddle structure both sides, lock pin 3 passes the hole on the lock pin support 4, can move back and forth on lock pin support 4; In the position on lock pin 3 tops, i.e. the side of main inlet wire plug handle hole 5, be provided with a lockpin hole 6, the size of lockpin hole 6 should be enough to make lock pin 3 to pass, when the inlet wire plug is in complete plug-in position, the lock pin top of pin shape enters inlet wire plug handle hole 5 by lockpin hole 6, block inlet wire plug handle hole 5, inlet wire plug handle hole 5 can't be operated.
When the inlet wire plug when patching the position fully, clockwise rotate the interlocked control handle 01 of low pressure drawer-type switch cabinet, interlocked control handle 01 drives interlocking connecting lever 1 and rotates, interlocking connecting lever 1 drives lock pin 3 and is moved to the left, inlet wire plug handle hole 5 is pinned fully by lockpin hole 6 up to lock pin 3, the inlet wire plug can't be separated, and this moment, the interlocked control handle 01 of circuit breaker operation mechanism was in complete "on" position.
If separate the inlet wire plug, can rotate counterclockwise the interlocked control handle 01 of low pressure drawer-type switch cabinet, interlocking connecting lever 1 drives lock pin 3 and moves right, when lock pin 3 by lockpin hole 6 fully when inlet wire plug handle hole 5 withdraws from, circuit breaker, operating mechanism, interlocked control handle 01 etc. are in complete gate-dividing state, and can separate the inlet wire plug this moment.When circuit breaker is in the separating brake position,, so just stoped the interlocked control handle 01 of circuit breaker operation mechanism to get back to the position of combined floodgate because the inlet wire plug is pegged graft not in place or not at plug-in position, lock pin 3 can't enter inlet wire plug handle hole 5.
Incorrect operation preventing interlocking apparatus of the present invention is the incorrect operation preventing interlocking apparatus of metal structure.

Claims (3)

1, a kind of incorrect operation preventing interlocking apparatus of low pressure drawer-type switch cabinet contains interlocked control handle (01), it is characterized in that, comprises interlocking connecting lever (1), hangs pin (2), lock pin (3), lock pin support (4), inlet wire plug handle hole (5) and lockpin hole (6); The upper end of interlocking connecting lever (1) is set with interlocked control handle (01), and interlocking connecting lever (1) forms a fixed angle that becomes 45 degree each other with interlocked control handle (01); The lower end of interlocking connecting lever (1) is connected with the end of lock pin (3) by hanging pin (2); Be provided with lock pin support (4) in the centre position of lock pin (3), the endoporus that lock pin (3) passes on the lock pin support (4) moves back and forth on lock pin support (4); In the position on lock pin (3) top, promptly the side of main inlet wire plug handle hole (5) is provided with a lockpin hole (6), the size of lockpin hole (6) should be enough to make lock pin (3) to pass; When the inlet wire plug was in complete plug-in position, the top of lock pin (3) just was locked in the inlet wire plug handle hole (5) by lockpin hole (6).
2, the incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet according to claim 1, it is characterized in that, described lock pin (3) is " L " shape structure, the lock pin of " L " shape is terminal to be connected with interlocking connecting lever (1) by hanging pin (2), and the lock pin top of pin shape is by lockpin hole (6) turnover inlet wire plug handle hole (5).
3, the incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet according to claim 1, it is characterized in that, the lock pin support (4) that is provided with in the centre position of lock pin (3) has the hole for falling the structure of saddle in the projection on the structure of falling saddle both sides, lock pin (3) is worn and led in the hole.
CN2007100475922A 2007-10-30 2007-10-30 Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet Active CN101425406B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007100475922A CN101425406B (en) 2007-10-30 2007-10-30 Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007100475922A CN101425406B (en) 2007-10-30 2007-10-30 Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet

Publications (2)

Publication Number Publication Date
CN101425406A true CN101425406A (en) 2009-05-06
CN101425406B CN101425406B (en) 2012-02-15

Family

ID=40615935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007100475922A Active CN101425406B (en) 2007-10-30 2007-10-30 Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet

Country Status (1)

Country Link
CN (1) CN101425406B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101996797B (en) * 2009-08-20 2012-09-19 宁波兴邦电器有限公司 High voltage switch locking device
CN102684094A (en) * 2012-05-08 2012-09-19 宁波欧日力电器制造有限公司 Interlocking mechanism of low-pressure drawer type switch cabinet
CN104021959A (en) * 2014-06-20 2014-09-03 天津协盛科技股份有限公司 Anti-misoperation device for series combination of breaker and surge protection device
CN107833804A (en) * 2017-10-26 2018-03-23 上海良信电器股份有限公司 A kind of locking device of breaker operating device
CN110492373A (en) * 2019-09-27 2019-11-22 广东北江开关厂有限公司 It is a kind of with it is electronic and manual operation divide-shut brake drawer
CN113889353A (en) * 2021-09-28 2022-01-04 上海思源高压开关有限公司 Device for realizing mechanical interlocking function between different operating mechanisms

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102646525A (en) * 2012-05-08 2012-08-22 宁波欧日力电器制造有限公司 Locking mechanism of switch cabinet

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101996797B (en) * 2009-08-20 2012-09-19 宁波兴邦电器有限公司 High voltage switch locking device
CN102684094A (en) * 2012-05-08 2012-09-19 宁波欧日力电器制造有限公司 Interlocking mechanism of low-pressure drawer type switch cabinet
CN102684094B (en) * 2012-05-08 2015-04-08 宁波欧日力电器制造有限公司 Interlocking mechanism of low-pressure drawer type switch cabinet
CN104021959A (en) * 2014-06-20 2014-09-03 天津协盛科技股份有限公司 Anti-misoperation device for series combination of breaker and surge protection device
CN104021959B (en) * 2014-06-20 2015-10-28 天津协盛科技股份有限公司 The anti-misoperation apparatus of a kind of circuit breaker and surge protector tandem compound
CN107833804A (en) * 2017-10-26 2018-03-23 上海良信电器股份有限公司 A kind of locking device of breaker operating device
CN107833804B (en) * 2017-10-26 2019-08-20 上海良信电器股份有限公司 A kind of locking device of breaker operating device
CN110492373A (en) * 2019-09-27 2019-11-22 广东北江开关厂有限公司 It is a kind of with it is electronic and manual operation divide-shut brake drawer
CN110492373B (en) * 2019-09-27 2024-01-26 清远市新能电力工程有限公司 Opening and closing drawer with electric and manual operation
CN113889353A (en) * 2021-09-28 2022-01-04 上海思源高压开关有限公司 Device for realizing mechanical interlocking function between different operating mechanisms

Also Published As

Publication number Publication date
CN101425406B (en) 2012-02-15

Similar Documents

Publication Publication Date Title
CN101425406B (en) Incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet
EP3216042B1 (en) Dc circuit breaker and disconnector
CN102790426A (en) Improved spare power source automatic switch method for single bus sectionalized operation of power substation
WO2002031929A1 (en) Connection for a distribution network
CN201126767Y (en) Misoperation-prevention interlocking device for low pressure drawer type switch cabinet
TWM637098U (en) An improved device for automatically toggle interlocking modules with three switches
CN105609382B (en) A kind of circuit protection device
CN103199614B (en) Two-way alternating current inlet wire and connection power distribution control method
CN207409442U (en) A kind of blocking device for preventing power transformation operation back brake maloperation
CN203456396U (en) Operating device of dual-mode breaker accessory with self-locking function
CN201556878U (en) Drawer type switch cabinet misoperation prevention interlocking device
CN106655898A (en) Electric reactor cabinet control circuit
CN207442445U (en) Adaptive throw of busbar interconnection moves back circuit and back brake control system
CN108933431A (en) Starting protection circuit and starting protection system for nuclear power station turning motor
CN204794328U (en) Three -phase electricity dual supply automatic switching control equipment
CN106158523B (en) A kind of circuit breaker failure tripping indicating device
CN208797367U (en) False switching control system after plastic housing failure is prevented in the drawer of low-tension switch cabinet
CN203747276U (en) Apparatus used for preventing low voltage power distribution cabinet from operating misoperation
CN203071647U (en) Low-voltage switch cabinet automatic input and recovery device
CN209328747U (en) A kind of key interlocking mechanism of novel breaker and on-load switch
CN203243111U (en) Control loop for two-path alternating-current wire incoming and communication power distribution
CN201836506U (en) Control device for emergency water electromagnetic valve of vacuum furnace
CN212012252U (en) Commercial power generation power supply switching circuit and power distribution system
CN213402206U (en) Hand pulling mechanism of high security
CN220421129U (en) Two inlet wires one female distribution system who allies oneself with

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant