CN205901156U - Direct current high speed circuit -breaker handcart - Google Patents

Direct current high speed circuit -breaker handcart Download PDF

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Publication number
CN205901156U
CN205901156U CN201620684536.4U CN201620684536U CN205901156U CN 205901156 U CN205901156 U CN 205901156U CN 201620684536 U CN201620684536 U CN 201620684536U CN 205901156 U CN205901156 U CN 205901156U
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CN
China
Prior art keywords
handcart
chassis
switch cubicle
valve
circuit breaker
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.)
Active
Application number
CN201620684536.4U
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Chinese (zh)
Inventor
朱明武
潘拥军
李蕾
何贤伟
张光平
陶宏杰
胡魁
郭志琦
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.)
WUHAN ZHONGZHI ELECTRIC CO Ltd
Original Assignee
WUHAN ZHONGZHI ELECTRIC CO Ltd
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Priority to CN201620684536.4U priority Critical patent/CN205901156U/en
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Publication of CN205901156U publication Critical patent/CN205901156U/en
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Abstract

The utility model relates to a direct current high speed circuit -breaker handcart, the handcart setting is in the cubical switchboard, and the handcart includes chassis, circuit breaker, contact, counter and valve. The chassis sets up between the inside wall of the cubical switchboard left and right sides to can remove in the cubical switchboard, the circuit breaker sum counter sets up on the chassis respectively, and can move together along with the chassis, and counter and circuit breaker electricity is connected, and the extension of circuit breaker rear side is provided with the contact. The setting is inlayed behind the cubical switchboard on the lateral wall to the valve, and the last border of valve is articulated with the back lateral wall of cubical switchboard to can be round border upset on it, through valve advancing mechanism swing joint between chassis and the valve. The utility model discloses compact structure, space occupy for a short time, and compare other integration circuit breaker handcarts preparation and the installation is more convenient, the cost is lower, and can be fast push or withdraw from to operating position or experiment position the direct current breaker handcart is light through valve advancing mechanism, easy operation safety, it is more reliable, change more swiftly.

Description

A kind of handcart with DC quick-break circuit breaker
Technical field
This utility model is related to electric and field of mechanical technique, more particularly, to a kind of handcart with DC quick-break circuit breaker.
Background technology
Continuous development with China's electric utility.Circuit breaker cart as a part of switchgear, in operating position The reliable switch closing and switch opening with needs during testing position;In extraction and insertion process, chopper can not be carried out in the lockout condition Feed motion;The conversion of both positions in switch cubicle for the chopper is to be realized by the movement of handcart.And chopper is closing It is impossible to move handcart, in case leukorrhagia stopping load operation causes certain harm to power equipment and operator during lock state.Handcart The chassis blocking device of formula chopper can avoid the misoperation of chopper, realizes the safe and reliable of equipment operation.
Also there is the safety issue of use in circuit breaker cart of the prior art, be in particular in, due to switch cabinet Push-pull device at fixed with control the device of its divide-shut brake to be separated from each other two device, to the push-and-pull displacement of circuit breaker cart with point Shutting-brake control is possible to nonsynchronous situation, and the personal safety to operator and the operation of equipment bring safely greatly Hidden danger.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of direct current quick Circuit breaker cart.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of handcart with DC quick-break circuit breaker, described Handcart is arranged in switch cubicle, and described handcart includes chassis, chopper, contact, enumerator and valve.
Described chassis is arranged between the medial wall of the described switch cubicle left and right sides, and can move in described switch cubicle, Described chopper and enumerator are separately positioned on described chassis, and can move together with described chassis, and described enumerator It is connected with described circuit breaker electric, being extended on rear side of described chopper has described contact.
Described valve is inlayed and is arranged on described switch cubicle rear wall, and the upper edge of described valve and described switch cubicle Rear wall is hinged, and can overturn around its upper edge, passes through the activity of valve propulsive mechanism even between described chassis and described valve Connect, when described chassis is moved rearwards by, described valve propulsive mechanism promotes the rear to described switch cubicle rear wall for the described valve Upset, and when described chassis is moved rearwardly into end of travel, described contact passes through the opening being arranged on described valve just And electrically connect with the high-tension circuit being arranged on described switch cubicle rear wall rear.
The beneficial effects of the utility model are: a kind of handcart with DC quick-break circuit breaker of the present utility model, compact conformation, sky Between take little, compare that other integral circuit breaker handcarts make and to install more convenient, cost lower, by valve propulsive mechanism energy Quick handcart of direct-current circuit breaker is easily pushed or exits to operating position or experimental site, safety simple to operate, more reliable, more Change faster.
On the basis of technique scheme, this utility model can also do and improve as follows:
Further: inside the left and right sides of described switch cubicle, transverse is respectively equipped with slide rail, the left and right side on described chassis Be respectively equipped with roller along place, described roller is connected in corresponding described slide rail, and described chassis can by described roller along Described slide rail moves in described switch cubicle.
The beneficial effect of above-mentioned further scheme is: in this way can eaily by described handcart described Move in switch cubicle, described handcart is operationally more smooth, more preferably adapt to the complicated work condition environment in scene, operation more saves Thing and facility, easy to maintenance, safe and efficient.
Further: secondary air plug is provided with described chassis, described chopper be plugged on described secondary air plug and with institute State secondary air plug electrical connection.
The beneficial effect of above-mentioned further scheme is: described chopper can be facilitated to insert by arranging described secondary air plug Connect, easy for installation, it is also convenient for being connected with described enumerator point, contact is stable, be not in the situation that contact loosens.
Further: described enumerator is arranged on the front edge on described chassis, described enumerator passes through described secondary air plug It is connected with described circuit breaker electric, and the display screen of described enumerator is stretched in the opening being arranged on cabinet door on front side of described switch cubicle Go out.
The beneficial effect of above-mentioned further scheme is: operator can be facilitated in this way need not to open switch cubicle Cabinet door can understand the counting of enumerator in real time, very intuitively, experience sense is stronger.
Further: the rear end of described contact is provided with the clamping terminal matching with the binding post of described high-tension circuit, institute When stating chassis and being moved rearwardly into end of travel, the binding post clamping of described clamping terminal and described high-tension circuit, and the two electricity Connect.
The beneficial effect of above-mentioned further scheme is: can be compared so that described contact and high pressure by described clamping cross-talk The binding post contact of circuit is good, it is to avoid because handcart causes the wiring of described contact and high-tension circuit during movement Termination contact is bad and the too high phenomenon of temperature rise.
Further: slide along direction in described chassis and be provided through leading screw, and described chassis and described leading screw spiral shell Stricture of vagina connects, and is provided with the handle rotating described leading screw outside described switch cubicle, and the clamping set on described handle is described by being arranged on Through hole in cabinet door on front side of switch cubicle stretches in described switch cubicle and the front end clamping with described leading screw.
The beneficial effect of above-mentioned further scheme is: described handle is coordinated by described leading screw, can be more right Described handcart is operated, it is to avoid because the operating position deviation of rival car leads to dynamic/static contact loose contact and temperature rise too high existing As reducing potential safety hazard further, realizing safety operation.
Further: described valve propulsive mechanism includes two and mutually rotates the first connecting rod connecting and second connecting rod, described First connecting rod is fixedly connected with the rear end on described chassis away from one end of described second connecting rod, and described second connecting rod is away from described One end of one connecting rod and described valve rotate and are connected, and when in switch cubicle described in the indentation of described chassis, described second connecting rod and One end that described first connecting rod connects is rotated around the one end being connected with described valve, and progressively promotes described valve to open to described Close the rear upset of cabinet rear wall.
The beneficial effect of above-mentioned further scheme is: can be moved rearwards by described handcart by described valve propulsive mechanism When smoothly promote the rear upset to described switch cubicle rear wall for the described valve, and first described in when described handcart moves forward The one end being connected with described second connecting rod on connecting rod can be automatically separated with described valve automatically, and described valve is returned by self gravitation Naturally droop position to original state.
Further: also to include handcart locking mechanism, described handcart locking mechanism is arranged on described chassis, described chopper Electrically connect and control the state of described handcart locking mechanism, the described handss when described breaker closing with described handcart locking mechanism Car locking mechanism is in locking states, and described chassis locking cannot move.
The beneficial effect of above-mentioned further scheme is: may insure described breaker closing by described handcart locking mechanism When chassis locking cannot move, and the Qianmen of described switch cubicle cannot be opened, in case leukorrhagia stopping load operation is to power equipment and behaviour Cause certain harm as personnel.
Further: also include interlocking mechanism, described interlocking mechanism be arranged on described chassis front side edge and with described Handcart locking mechanism electrically connects, and permits whether the Qianmen of described switch cubicle opens.
The beneficial effect of above-mentioned further scheme is: by described interlocking mechanism so that only in described switch cubicle Ability operating breaker handcart under front door closure state, and when handcart is in operating position, external door cannot be opened, and further ensures that Operator's personal safety.
Brief description
Fig. 1 is a kind of handcart with DC quick-break circuit breaker front view of the present utility model;
Fig. 2 is a kind of direct current quick breaker handss explosive view of the present utility model;
Fig. 3 is a kind of handcart with DC quick-break circuit breaker left view of the present utility model;
Fig. 4 is a kind of handcart with DC quick-break circuit breaker right view of the present utility model;
Fig. 5 is a kind of handcart with DC quick-break circuit breaker front view of the present utility model;
Fig. 6 is a kind of handcart with DC quick-break circuit breaker top view of the present utility model
Fig. 7 is a kind of handcart with DC quick-break circuit breaker upward view of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, chassis, 2, chopper, 3, contact, 4, enumerator, 5, valve, 6, valve propulsive mechanism, 7, slide rail, 8, secondary boat Insert, 9, clamping terminal, 10, leading screw, 11, first connecting rod, 12, second connecting rod, 13, handcart locking mechanism, 14, interlocking mechanism.
Specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality New, it is not intended to limit scope of the present utility model.
As shown in figure 1, a kind of handcart with DC quick-break circuit breaker, described handcart is arranged in switch cubicle, and described handcart includes Chassis 1, chopper 2, contact 3, enumerator 4 and valve 5.
Described chassis 1 is arranged between the medial wall of the described switch cubicle left and right sides, and can move in described switch cubicle, Described chopper 2 and enumerator 4 are separately positioned on described chassis 1, and can move together with described chassis 1, and described meter Number device 4 is electrically connected with described chopper 2, and described chopper 2 rear side is extended described contact 3.
Described valve 5 is inlayed and is arranged on described switch cubicle rear wall, and the upper edge of described valve 5 and described switch cubicle Rear wall hinged, and can overturn around its upper edge, pass through valve propulsive mechanism 6 between described chassis 1 and described valve 5 and live It is dynamically connected, when described chassis 1 is moved rearwards by, described valve propulsive mechanism 6 promotes described valve 5 to described switch cubicle rear wall Rear upset, and when described chassis 1 is moved rearwardly into end of travel, described contact 3 just passes through and is arranged on described valve 5 On opening and electrically connect with the high-tension circuit being arranged on described switch cubicle rear wall rear.
In the present embodiment, the left and right sides medial wall of described switch cubicle is horizontal respectively to be provided with slide rail 7, described chassis 1 Left and right edge is respectively equipped with roller, and described roller is connected in corresponding described slide rail 7, and described chassis 1 can pass through described Roller moves in described switch cubicle along described slide rail 7.In this way can eaily by described handcart in institute State in switch cubicle and move, described handcart is operationally more smooth, more preferably adapt to the complicated work condition environment in scene, in operation more Save trouble and facilitate, easy to maintenance, safe and efficient.
Preferably, described chassis 1 is provided with secondary air plug 8, described chopper 2 is plugged on described secondary air plug 8 simultaneously Electrically connect with described secondary air plug 8.Described chopper grafting can be facilitated by arranging described secondary air plug 8, installation and removal All very convenient, it is also convenient for being connected with described enumerator point, contact is stable, be not in the situation that contact loosens.
In the present embodiment, described enumerator 4 is arranged on the front edge on described chassis 1, and described enumerator 4 passes through described two Secondary air plug 8 is electrically connected with described chopper 2, and the display screen of described enumerator 4 is from being arranged on cabinet door on front side of described switch cubicle Opening in stretch out.The cabinet door that operator need not open switch cubicle can be facilitated in this way can to understand counting in real time The counting of device, very intuitively, experience sense is stronger.
Preferably, the rear end of described contact 3 is provided with the clamping terminal 9 matching with the binding post of described high-tension circuit, When described chassis 1 is moved rearwardly into end of travel, the binding post clamping of described clamping terminal 9 and described high-tension circuit, and two Person electrically connects.Can be compared by described clamping cross-talk 9 makes described contact 3 contact well with the binding post of high-tension circuit, Avoid causing described contact 3 too high with the binding post loose contact of high-tension circuit and temperature rise during movement due to handcart Phenomenon.
In the present embodiment, slide along direction in described chassis 1 and be provided through leading screw 10, and described chassis 1 and institute State that leading screw 10 is threaded, outside described switch cubicle, be provided with the handle rotating described leading screw 10, the clamping set on described handle is logical Cross the through hole being arranged in cabinet door on front side of described switch cubicle and stretch in described switch cubicle and the front end clamping with described leading screw 10.Logical Cross described leading screw 10 and coordinate described handle, can more described handcart be operated, it is to avoid due to the behaviour of rival car Lead to dynamic/static contact loose contact and the too high phenomenon of temperature rise as position deviation, reduce potential safety hazard further, realize safety operation.
Preferably, described valve propulsive mechanism 6 includes two first connecting rod 11 and second connecting rods 12 mutually rotating connection, Described first connecting rod 11 is fixedly connected with the rear end on described chassis 1 away from one end of described second connecting rod 12, described second connecting rod 12 rotate and are connected away from one end and the described valve 5 of described first connecting rod 11, and work as in switch cubicle described in described chassis 1 indentation When, one end that described second connecting rod 12 is connected with described first connecting rod is rotated around the one end being connected with described valve 5, and progressively Promote the rear upset to described switch cubicle rear wall for the described valve 5.Can be in described handcart by described valve propulsive mechanism 6 7 smoothly promote the rear upset to described switch cubicle rear wall for the described valve 5 when being moved rearwards by, and described handcart 7 is to reach The one end being connected with described second connecting rod 12 on described first connecting rod 11 when dynamic can be automatically separated with described valve 5 automatically, institute State valve 3 and naturally droop position by what self gravitation returned to original state.
Preferably, a kind of handcart with DC quick-break circuit breaker of the present utility model also includes handcart locking mechanism 13, described handss Car locking mechanism 13 is arranged on described chassis 1, and described chopper 2 is electrically connected with described handcart locking mechanism 13 and controls described The state of handcart locking mechanism 13, when the 2-in-1 lock of described chopper, described handcart locking mechanism 13 is in locking states, described bottom Disk 1 locking cannot move.When may insure the 2-in-1 lock of described chopper by described handcart locking mechanism 13, chassis 1 locking cannot Move, and the Qianmen of described switch cubicle cannot be opened, in case leukorrhagia stopping load operation causes necessarily to power equipment and operator Harm.
In practice, described chassis 1 is provided with jam plate, described handcart locking mechanism 13 includes electric magnet, when electric magnet When iron core stretches out and blocks jam plate, described chassis cannot be moved, and is in blocking, when needing mobile chassis, direct current interruption Device switches to gate-dividing state from "on" position, and now the electric magnet of described handcart locking mechanism 13 obtains electric adhesive, and iron core is retracted, no Can the movement on described chassis 1 be caused to hinder, i.e. lock release, described chassis 1 can move freely.
Preferably, a kind of handcart with DC quick-break circuit breaker of the present utility model also includes interlocking mechanism 14, described interlocking machine Structure 11 is arranged on the front side edge on described chassis 1 and is electrically connected with described handcart locking mechanism 13, and permits described switch cubicle Qianmen whether open.By described interlocking mechanism 14 so that only under the front door closure state of described switch cubicle ability Operating breaker handcart, and when handcart is in operating position, external door cannot open it is ensured that operator's personal safety.
In practice, when handcart is in testing position, no interlock between the Qianmen of described switch cubicle and handcart, described switch The Qianmen of cabinet can be opened, and when handcart leaves testing position and is in operating position, the action of described interlocking mechanism 14 is so that described The Qianmen of switch cubicle and described handcart interlocking, now the Qianmen of switch cubicle cannot be opened.In addition, only closing described switch cubicle Qianmen after, the handle of handcart just can be stretched into by the through hole in cabinet door on front side of switch cubicle and operate described silk in described switch cubicle Thick stick 10, substantially increases the safety of operator.
A kind of handcart with DC quick-break circuit breaker of the present utility model, has the advantage that
1st, compact conformation, space hold are little, compare other integral circuit breaker handcarts and make and install more convenient, cost more Low;
2nd, configure ripe reliable valve propulsive mechanism, quickly handcart can easily be pushed or exit to operating position or reality Test position, compare the operation of other integral circuit breaker handcarts more easily, more reliable;
3rd, only comprise a chopper and in-out end contact, it is more reliable to compare other circuit breaker carts, change faster;
4th, be provided by handcart blocking mechanism, valve propulsive mechanism it is ensured that handcart in all cases with peripheral operation There is reliable interlock connection in mechanism;
5th, pass through to arrange interlock, ability operating breaker handcart only under outer door closure state, and direct current is quick When circuit breaker cart is in operating position, external door cannot open it is ensured that operator's personal safety.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims (9)

1. a kind of handcart with DC quick-break circuit breaker, described handcart be arranged in switch cubicle it is characterised in that: described handcart includes bottom Disk (1), chopper (2), contact (3), enumerator (4) and valve (5);
Described chassis (1) is arranged between the medial wall of the described switch cubicle left and right sides, and can move in described switch cubicle, institute State chopper (2) and enumerator (4) is separately positioned on described chassis (1), and can move together with described chassis (1), and Described enumerator (4) is electrically connected with described chopper (2), and being extended on rear side of described chopper (2) has described contact (3);
Described valve (5) is inlayed and is arranged on described switch cubicle rear wall, and the upper edge of described valve (5) and described switch cubicle Rear wall hinged, and can overturn around its upper edge, between described chassis (1) and described valve (5), pass through valve pusher Structure (6) is flexibly connected, and when described chassis (1) is moved rearwards by, described valve propulsive mechanism (6) promotes described valve (5) to institute State the rear upset of switch cubicle rear wall, and when described chassis (1) is moved rearwardly into end of travel, described contact (3) is just Pass through the opening being arranged on described valve (5) and electrically connect with the high-tension circuit being arranged on described switch cubicle rear wall rear.
2. according to claim 1 a kind of handcart with DC quick-break circuit breaker it is characterised in that: the left and right sides of described switch cubicle Medial wall is horizontal respectively to be provided with slide rail (7), and the left and right edge of described chassis (1) is respectively equipped with roller, described roller clamping In corresponding described slide rail (7), and described chassis (1) can pass through described roller along described slide rail (7) in described switch cubicle Interior movement.
3. according to claim 1 a kind of handcart with DC quick-break circuit breaker it is characterised in that: be provided with described chassis (1) Secondary air plug (8), described chopper (2) is plugged on described secondary air plug (8) above and is electrically connected with described secondary air plug (8).
4. according to claim 3 a kind of handcart with DC quick-break circuit breaker it is characterised in that: described enumerator (4) is arranged on The front edge of described chassis (1), described enumerator (4) is electrically connected with described chopper (2) by described secondary air plug (8), And the display screen of described enumerator (4) stretches out in the opening being arranged on cabinet door on front side of described switch cubicle.
5. according to claim 1 a kind of handcart with DC quick-break circuit breaker it is characterised in that: the rear end of described contact (3) sets There is the clamping terminal (9) that the binding post with described high-tension circuit matches, described chassis (1) is moved rearwardly into end of travel When, the binding post clamping of described clamping terminal (9) and described high-tension circuit, and the two electrical connection.
6. according to claim 1 a kind of handcart with DC quick-break circuit breaker it is characterised in that: along it in described chassis (1) Glide direction is provided through leading screw (10), and described chassis (1) is threadeded with described leading screw (10), described switch cubicle peripheral hardware It is equipped with the handle rotating described leading screw (10), the clamping set on described handle is by being arranged in cabinet door on front side of described switch cubicle Through hole stretches in described switch cubicle and the front end clamping with described leading screw (10).
7. according to claim 1 a kind of handcart with DC quick-break circuit breaker it is characterised in that: described valve propulsive mechanism (6) Mutually rotate the first connecting rods (11) connecting and second connecting rods (12) including two, described first connecting rod (11) is away from described second One end of connecting rod (12) is fixedly connected with the rear end of described chassis (1), and described second connecting rod (12) is away from described first connecting rod (11) one end is rotated with described valve (5) and is connected, and when in switch cubicle described in described chassis (1) indentation, described second even One end that bar (12) is connected with described first connecting rod is rotated around the one end being connected with described valve (5), and progressively promotes described Valve (5) is to the rear upset of described switch cubicle rear wall.
8. according to any one of claim 1 to 7 a kind of handcart with DC quick-break circuit breaker it is characterised in that: also include handcart Locking mechanism (13), described handcart locking mechanism (13) is arranged on described chassis (1), described chopper (2) and described handcart Locking mechanism (13) electrically connects and controls the state of described handcart locking mechanism (13), described in when described chopper (2) closes a floodgate Handcart locking mechanism (13) is in locking states, and described chassis (1) locking cannot move.
9. according to claim 8 a kind of handcart with DC quick-break circuit breaker it is characterised in that: also include interlocking mechanism (14), Described interlocking mechanism (11) is arranged on the front side edge on described chassis (1) and is electrically connected with described handcart locking mechanism (13), And permit whether the Qianmen of described switch cubicle opens.
CN201620684536.4U 2016-06-30 2016-06-30 Direct current high speed circuit -breaker handcart Active CN205901156U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620684536.4U CN205901156U (en) 2016-06-30 2016-06-30 Direct current high speed circuit -breaker handcart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620684536.4U CN205901156U (en) 2016-06-30 2016-06-30 Direct current high speed circuit -breaker handcart

Publications (1)

Publication Number Publication Date
CN205901156U true CN205901156U (en) 2017-01-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932587A (en) * 2016-06-30 2016-09-07 武汉中直电气股份有限公司 DC fast circuit breaker trunk
WO2019024288A1 (en) * 2017-07-31 2019-02-07 平高集团有限公司 Handcart equipped with dc fast switch and dc circuit breaker cabinet using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932587A (en) * 2016-06-30 2016-09-07 武汉中直电气股份有限公司 DC fast circuit breaker trunk
WO2019024288A1 (en) * 2017-07-31 2019-02-07 平高集团有限公司 Handcart equipped with dc fast switch and dc circuit breaker cabinet using same

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