CN201656316U - Simple mechanical locking device of handcart type circuit breaker of switchgear cabinet - Google Patents

Simple mechanical locking device of handcart type circuit breaker of switchgear cabinet Download PDF

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Publication number
CN201656316U
CN201656316U CN2010201623223U CN201020162322U CN201656316U CN 201656316 U CN201656316 U CN 201656316U CN 2010201623223 U CN2010201623223 U CN 2010201623223U CN 201020162322 U CN201020162322 U CN 201020162322U CN 201656316 U CN201656316 U CN 201656316U
Authority
CN
China
Prior art keywords
handcart type
switchgear cabinet
locking device
circuit breaker
lock
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
CN2010201623223U
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Chinese (zh)
Inventor
郑水良
赵国庆
朱华锋
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.)
Hangzhou Electric Equipment Manufacturing Co., Ltd. Fuyang Rongda Complete Electrical Manufacturing Branch
Original Assignee
ZHEJIANG RONGDA ELECTRIC EQUIPMENT MANUFACTURY 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 ZHEJIANG RONGDA ELECTRIC EQUIPMENT MANUFACTURY CO Ltd filed Critical ZHEJIANG RONGDA ELECTRIC EQUIPMENT MANUFACTURY CO Ltd
Priority to CN2010201623223U priority Critical patent/CN201656316U/en
Application granted granted Critical
Publication of CN201656316U publication Critical patent/CN201656316U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a simple mechanical locking device of a handcart type circuit breaker of a switchgear cabinet, which comprises two or more mechanical program locks sharing one key, a fixing support is mounted on the handcart type circuit breaker needed to be locked in the switchgear cabinet, the mechanical program locks are mounted on the fixed support, a lock hole is formed on a side seal plate of the cabinet body of the switchgear cabinet, when the lock hole and the handcart type circuit breaker are in the locking positions, lock tongues of the mechanical program locks thereon correspond to each other. The simple mechanical locking device can realize that only one handcart type circuit breaker can be electrified by one key, thereby effectively avoiding short circuit phenomenon caused by two or more lines of power supplies supplying power simultaneously, realizing reliable locking and ensuring the safety of power consumption. The simple mechanical locking device has the advantages of simple structure, simple and convenient installation and use, strong universality, very easy detachment and maintenance, and low cost, and is particularly applicable to field transformation projects of high-voltage switch cabinets.

Description

The simple and easy mechanical locking device of switchgear cabinet handcart type breaker
Technical field
The utility model relates to the safety device on a kind of power transmission and transforming equipment, relates in particular to a kind of on-the-spot transform convenient, lower, the simple and easy mechanical locking device of the reliable switchgear cabinet handcart type breaker of locking of cost.
Background technology
For Electrical Safety, need locking between two or more 10kV handcart type breakers of high-tension switch cabinet, when promptly requiring a breaker electrifying, other several circuit breakers must cut off the power supply, and avoid power supply to power simultaneously and cause short circuit.10kV handcart type breaker to high-tension switch cabinet carries out locking at present, adopt and on the car of the chassis of high-tension switch cabinet, install comparatively complicated mechanism additional, take electric blocking, the former needs producer's customization, can't transform flexibly at the scene of using high-tension switch cabinet, the mechanical latching height and the reliability of latter's electric blocking is far from is so general two-way or multiple power supplies lead-in circuit breaker all require to adopt the mode of mechanical anti-misoperation locking.But through regular meeting on-the-spot situation about transforming need to take place, at this moment if the realization mechanical latching just must be changed all chassis cars; but also must customize; delivery cycle still is that improvement expenses all exists big problem, if use electric blocking, the reliability of locking can not meet the demands again.
Summary of the invention
It is not high enough that the utility model mainly solves the reliability of electric blocking, and original mechanical latching complex structure is not easy to on-the-spot the transformation, needs customization, the technical problem that the expense height is time-consuming again; Provide a kind of simple in structure, locking reliably, very easily dismounting maintenance, cost be lower, the simple and easy mechanical locking device of switchgear cabinet handcart type breaker of saving time, being particularly suitable for on-the-spot transformation project.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises two or many Mechanically programm of a shared key is locked, described Mechanically programm lock is installed on the handcart type breaker that needs locking in the switchgear cabinet, the cabinet side seal board of described switchgear cabinet is provided with lockhole, and the dead bolt of the Mechanically programm's lock when described lockhole is in locked position of coupler with handcart type breaker on it is corresponding.The cabinet side seal board lockhole is arranged except this position, can allow outside dead bolt passes, dead bolt can both be blocked in all the other positions.That is to say that only in the lockhole position, Mechanically programm's lock just can be locked, all can't locking at all the other position Mechanically programms lock, can only be in open mode, and Mechanically programm when being locked in open mode the key on it get to get off, key only just can be taken off when Mechanically programm's locking lock.When the Mechanically programm on the key operated handcart type breaker locked, key was with certainly in this Mechanically programm and is locked, and this moment, other handcart type breaker was in locked position of coupler.As look on the bright side of things and open other handcart type breaker, must earlier this above-mentioned handcart type breaker be moved to locked position of coupler, lock Mechanically programm's lock, just can take off key, remove to open another handcart type breaker again.Certainly, lockhole also can be opened in other corresponding locked position of coupler (as isolated location, test position or the service position of circuit breaker).Realize that a key can only make a handcart type breaker energising, effectively avoid the two-way power supply to power simultaneously and cause short circuit phenomenon that locking is reliable, guarantees Electrical Safety.And this closedown mode is simple in structure, and very easily dismounting is safeguarded, cost is low, save time, and is particularly suitable for the project that the high-tension switch cabinet erecting bed need be transformed.
As preferably, on the described handcart type breaker fixed support is installed, described Mechanically programm lock is installed on the described fixed support.Guarantee that Mechanically programm's lock is easy for installation and firm.
As preferably, described fixed support is the framework of openings at one side, and left and right two limits of framework are parallel with described cabinet side seal board, and described Mechanically programm lock is installed in wherein one near on the limit of cabinet side seal board.
The beneficial effects of the utility model are: simple in structure, to install and use simple and conveniently, and locking is reliable, highly versatile, very easily dismounting safeguards that cost is low, cost saving is particularly suitable for being used in the on-the-spot transformation project of high-tension switch cabinet.
Description of drawings
Fig. 1 is a kind of structural representation that the utility model is in open mode.
Fig. 2 is a kind of structural representation that the utility model is in blocking.
1. Mechanically programms lock, 2. key, 3. handcart type breaker, 4. cabinet side seal board, 5. lockhole, 6. dead bolt, 7. fixed support among the figure.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the simple and easy mechanical locking device of switchgear cabinet handcart type breaker of present embodiment, the handcart type breaker quantity of concrete locking as required and supply power mode and decide, as needing locking between two inlet wire handcart type breakers, another must cut off the power supply during i.e. energising, then selects Mechanically programm's lock of two shared keys for use.As shown in Figure 1, two Mechanically programm's locks 1 respectively are installed on two 10KV handcart type breakers 3 that need locking in the switchgear cabinet, need in the switchgear cabinet on two handcart type breakers 3 of locking fixed support 7 to be installed, fixed support 7 is the framework of openings at one side, left and right two limits of framework are parallel with the cabinet side seal board 4 of switchgear cabinet, and Mechanically programm's lock 1 is installed on that limit that is positioned at frame left.Have lockhole 5 on the cabinet side seal board 4 of switchgear cabinet, the dead bolt 6 of the Mechanically programm's lock 1 when lockhole 5 is in locked position of coupler with two handcart type breakers 3 on it is corresponding.
Concrete operations: 1, the handcart type breaker branch that will need to cut off the power supply is had no progeny and is moved on to locked position of coupler, as shown in Figure 2, and the key on the rotary machine procedure lock, make dead bolt penetrate lockhole, and take out key, this circuit breaker is locked on this position, just can't close a floodgate, can't power.2, key is inserted on the handcart type breaker that need power, open Mechanically programm's lock, again this circuit breaker is moved to the service position, and the power supply of closing a floodgate, as shown in Figure 1, the key on it is got to be got off at this moment.So can only could open another Mechanically programm after locking Mechanically programm's lock locks, another handcart type breaker could close a floodgate after promptly can only handcart type breaker of disjunction, avoid two handcart type breakers because of the mistake locking phenomenon that is short-circuited of powering simultaneously, guarantee Electrical Safety.
The utility model is simple in structure, and is easy to install, and locking is reliable, highly versatile, and very easily dismounting is safeguarded, and cost is low, and cost saving is particularly suitable for being used in the on-the-spot transformation project of high-tension switch cabinet.

Claims (3)

1. simple and easy mechanical locking device of switchgear cabinet handcart type breaker, it is characterized in that comprising two or many Mechanically programm of a shared key (2) lock (1), described Mechanically programm's lock (1) is installed on the handcart type breaker (3) that needs locking in the switchgear cabinet, the cabinet side seal board (4) of described switchgear cabinet is provided with lockhole (5), and the dead bolt (6) of described lockhole (5) and handcart type breaker (3) the Mechanically programm's lock (1) on it when being in locked position of coupler is corresponding.
2. the simple and easy mechanical locking device of switchgear cabinet handcart type breaker according to claim 1, it is characterized in that being equipped with on the described handcart type breaker (3) fixed support (7), described Mechanically programm's lock (1) is installed on the described fixed support (7).
3. the simple and easy mechanical locking device of switchgear cabinet handcart type breaker according to claim 2, it is characterized in that described fixed support (7) is the framework of openings at one side, left and right two limits of framework are parallel with described cabinet side seal board (4), and described Mechanically programm lock (1) is installed in wherein one near on the limit of cabinet side seal board (4).
CN2010201623223U 2010-04-19 2010-04-19 Simple mechanical locking device of handcart type circuit breaker of switchgear cabinet Expired - Lifetime CN201656316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201623223U CN201656316U (en) 2010-04-19 2010-04-19 Simple mechanical locking device of handcart type circuit breaker of switchgear cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201623223U CN201656316U (en) 2010-04-19 2010-04-19 Simple mechanical locking device of handcart type circuit breaker of switchgear cabinet

Publications (1)

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CN201656316U true CN201656316U (en) 2010-11-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078871A (en) * 2014-07-11 2014-10-01 北京京东方真空电器有限责任公司 Handcart type breaker chassis van locking device and breaker
CN106158454A (en) * 2016-08-26 2016-11-23 安徽中电兴发与鑫龙科技股份有限公司 A kind of interlock for high-tension switch cabinet
CN108807039A (en) * 2018-07-25 2018-11-13 中国船舶重工集团公司第七0四研究所 Medium Voltage Switchgear cable vault cabinet door interlock

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078871A (en) * 2014-07-11 2014-10-01 北京京东方真空电器有限责任公司 Handcart type breaker chassis van locking device and breaker
CN106158454A (en) * 2016-08-26 2016-11-23 安徽中电兴发与鑫龙科技股份有限公司 A kind of interlock for high-tension switch cabinet
CN108807039A (en) * 2018-07-25 2018-11-13 中国船舶重工集团公司第七0四研究所 Medium Voltage Switchgear cable vault cabinet door interlock
CN108807039B (en) * 2018-07-25 2019-08-30 中国船舶重工集团公司第七0四研究所 Medium Voltage Switchgear cable vault cabinet door interlock

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE GRID ZHEJIANG FUYANG POWER SUPPLY COMPANY

Effective date: 20131218

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20131218

Address after: Fuchun Street Park Park, Fuyang West Road, Hangzhou City, Zhejiang Province, No. 1218 311400

Patentee after: Zhejiang Rongda Electric Equipment Manufactury Co., Ltd.

Patentee after: STATE GRID ZHEJIANG FUYANG POWER SUPPLY COMPANY

Address before: Fuyang City Fuchun Street Park West Road Hangzhou City, Zhejiang province 311400 No. 1218

Patentee before: Zhejiang Rongda Electric Equipment Manufactury Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181228

Address after: 311400 No. 1218 Gongwang Street, Fuyang District, Hangzhou City, Zhejiang Province

Co-patentee after: STATE GRID ZHEJIANG FUYANG POWER SUPPLY COMPANY

Patentee after: Hangzhou Electric Equipment Manufacturing Co., Ltd. Fuyang Rongda Complete Electrical Manufacturing Branch

Address before: 311400 No. 1218 West Park Road, Fuchun Street Park, Fuyang City, Hangzhou City, Zhejiang Province

Co-patentee before: STATE GRID ZHEJIANG FUYANG POWER SUPPLY COMPANY

Patentee before: Zhejiang Rongda Electric Equipment Manufactury Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20101124