CN110289184A - Middle crush-cutting changes cabinet mechanical interlock mechanism - Google Patents
Middle crush-cutting changes cabinet mechanical interlock mechanism Download PDFInfo
- Publication number
- CN110289184A CN110289184A CN201910723883.1A CN201910723883A CN110289184A CN 110289184 A CN110289184 A CN 110289184A CN 201910723883 A CN201910723883 A CN 201910723883A CN 110289184 A CN110289184 A CN 110289184A
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- Prior art keywords
- cabinet
- breaker
- locking
- hole
- execution
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000005520 cutting process Methods 0.000 title claims abstract description 12
- 238000012546 transfer Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005526 G1 to G0 transition Effects 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
Abstract
The present invention provides a kind of middle crush-cuttings to change cabinet mechanical interlock mechanism, including first executes cabinet, the second execution cabinet, position transfer device, hole-lock, locking link mechanism and blocking device.The present invention will not influence the extraction maintenance of frame circuit breaker, while will not influence breaker performance；Equipment installation after, breaker will not be had an impact, nor affect on breaker shake into, extraction, breaker body be still one individually individual, only operating position interlock, cabinet body can be pulled away from after extraction and is performed overhauling and maintenance.
Description
Technical field
The present invention relates to electrical, middle pressure cabinets, dual power supply field, change cabinet-type air conditioner tool more specifically to a kind of middle crush-cutting and connect
Latch mechanism.
Background technique
With the development of national economy, power supply safety problem is more and more paid attention to, power outage bring safety
The loss of hidden danger and economy etc. is increasing.For hospital, airport, bank, security, the fire-fighting etc. in China's infrastructure
For important place, once power outage occurs, the consequence generated is extremely serious, so double power supply automatic switching switch is answered
With just playing an important role.
Double power supply automatic switching switch is used primarily in emergency power supply system, by load circuit from an automatic changing-over of power supply to
The device for switching of another (spare) power supply, to ensure that important load is continuous, reliability service.Therefore, ATSE is usually applied in weight
Electricity utilization site is wanted, product reliability is particularly important.Conversion once will unsuccessfully will cause one of following two kinds of harm, between power supply
Short circuit or important load power-off (or even transient-power failure), consequence be all it is serious, this can not only bring economic loss (to make
Production pauses, finance is paralysed), it is also possible to cause social concern (life and safety is made to be in danger).
Double power supply automatic switching switch is mainly used in the end power supply system of low pressure at present, and in Medium voltage power supply system
General one mother of dual power supply or two inlet wires that prepared auto restart type is built using two or three breakers and control system,
Ensure that two-way power supply will not be connected with load simultaneously between two or three breakers by electrical interlocks, does not have mechanical mutual
Lock may generate great harm when occurring situations such as logic error, malfunction to power supply safety.
In conclusion need it is a kind of do larger change misaligning crush-cutting and change cabinet, nor affect on breaker main performance
Meanwhile installing additional convenient, it can allow between breaker and realize mechanical mutual lockwork.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide one kind on original electrical interlocks
Increase mechanical interlocking mechanism, to ensure that breaker will not close a floodgate simultaneously, the middle crush-cutting for reducing accident of power supply generation changes cabinet-type air conditioner tool
Interlocking gear, concrete scheme are as follows:
The present invention is that a kind of middle crush-cutting changes cabinet mechanical interlock mechanism, its main feature is that: cabinet is executed including first, second executes cabinet, position
Set transfer device, hole-lock, locking link mechanism and blocking device；The position transfer device is mounted on the first execution cabinet,
Position transfer device includes the investment bar for executing the cooperation rotation of cabinet breaker transmission shaft with first, is set with bearing outside investment bar
Seat, bearing block are fixedly connected with the first execution cabinet breaker shell, bearing are equipped between bearing block and investment bar, in investment bar
One end far from the first execution cabinet breaker transmission shaft is equipped with input arm, and input arm is fixedly connected with investment bar；The interlocking
Box is mounted on the cabinet body of the first execution cabinet, and hole-lock includes box body, and box body is made of bottom plate and cover board, cover board and bottom plate it
Between be equipped with the sliding block that cooperate with position transfer device input arm, sliding block stretches out box body upwards, in the bottom of sliding block equipped with guide rod,
The guide groove for facilitating guide rod to move up and down is equipped in box body；The blocking device is mounted on the lower part cabinet body of the second execution cabinet
It is interior, blocking device include with second execute cabinet breaker combined floodgate plectrum cooperation deadlock lever, be equipped in the middle part of deadlock lever with
The locking fixed plate that second execution cabinet breaker shell is fixedly connected is equipped with the deadlock lever that deadlock lever passes through in locking fixed plate
Through hole, is equipped with suspension hook at the top of deadlock lever, is fixed with locking stops between suspension hook and locking fixed plate, in locking stops
Deadlock lever reset spring is installed between locking fixed plate；The locking link mechanism is mounted on the top tank of the second execution cabinet
In vivo, locking link mechanism includes the mounting plate that transverse link, vertical link and the second execution cabinet cabinet body are fixedly connected, and
With the attachment base of deadlock lever suspension hook cooperation, the middle part of the transverse link is connected by vertical hinge bar with mounting plate, the cross
Hinged to one end of connecting rod and the upper end of vertical link, the other end of transverse link passes through the sliding block phase of flexible shaft line and hole-lock
It connects, the lower end of the attachment base and vertical link is fixedly connected, and connecting plate is set in vertical link, is equipped on connecting plate
The connecting rod through hole that vertical link passes through, connecting plate are fixedly connected by leading truck and mounting plate, vertical above connecting plate
Attachment base reset spring is set on connecting rod.
The technical problems to be solved by the invention can also be further realized by technical solution below, in investment bar
One end be equipped with first execute cabinet breaker transmission shaft cooperation connection spline.
The technical problems to be solved by the invention can also be further realized by technical solution below, the guiding
Slot is made of half guide-track groove of bottom plate being arranged on bottom plate and half guide-track groove of the cover board docking being arranged on the cover board.
The technical problems to be solved by the invention can also be further realized by technical solution below, in attachment base
On be provided with suspension hook cooperation installation notch.
Compared with prior art, the invention has the benefit that
(1) equipment installation after, breaker will not be had an impact, nor affect on breaker shake into, extraction.Breaker body is still
It is individually individual for one, it is only interlocked in operating position, cabinet body can be pulled away from after extraction and is performed overhauling and maintenance；
(2) it is convenient to install additional, without changing to breaker, can directly install additional on existing breaker, not influence breaker
Performance；
(3) state of breaker closing is transmitted to by locking combined floodgate plectrum on an other breaker, while electricity by flexible shaft line
The gas-tight other breaker closing coil of lock, preventing control system from constantly sending combined floodgate order causes coil to damage；
(4) flexible shaft line is only needed replacing to non-conterminous two breaker cabinets and achieves that its is mechanical interlocked；
(5) mechanical interlocked transformation can be carried out to existing prepared auto restart.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is required attached drawing in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of hole-lock；
Fig. 3 is the structural schematic diagram of position transfer device；
Fig. 4 is the structural schematic diagram for being latched link mechanism；
Fig. 5 is the structural schematic diagram of blocking device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1,2,3,4,5, a kind of middle crush-cutting provided in this embodiment changes cabinet mechanical interlock mechanism, including first holds
Row cabinet 1, second executes cabinet 7, position transfer device 3, hole-lock 4, locking link mechanism 6 and blocking device 5；The position transmitting
Device is mounted on the first execution cabinet 1, and position transfer device includes the throwing for executing the cooperation rotation of cabinet breaker transmission shaft with first
Enter bar 11, bearing block is set with outside investment bar 11, bearing block 12 is fixedly connected with the first execution cabinet breaker shell, bearing block
Bearing is installed between 12 and investment bar, input arm is installed far from one end of the first execution cabinet breaker transmission shaft in investment bar
13, input arm 13 is fixedly connected with investment bar；The hole-lock is mounted on the cabinet body of the first execution cabinet 1, and hole-lock 4 includes box
Body, box body are made of bottom plate 9 and cover board 10, are equipped between cover board 10 and bottom plate 9 and are cooperated with position transfer device input arm
Sliding block 8, sliding block 8 stretch out box body upwards, are equipped with guide rod in the bottom of sliding block 8, are equipped in box body and facilitate and move down on guide rod
Dynamic guide groove；The blocking device is mounted in the lower part cabinet body of the second execution cabinet, and blocking device includes executing cabinet with second
The deadlock lever 22 of breaker closing plectrum cooperation is equipped at the middle part of deadlock lever 22 and fixes with the second execution cabinet breaker shell
The locking fixed plate 25 to connect is equipped with the deadlock lever through hole that deadlock lever passes through, on the top of deadlock lever in locking fixed plate 25
Portion is equipped with suspension hook 21, locking stops 23 is fixed between suspension hook 21 and locking fixed plate, in locking stops and locking fixed plate
Between deadlock lever reset spring 24 is installed；The locking link mechanism is mounted in the top tank body of the second execution cabinet, locking
Link mechanism include transverse link 15, vertical link 17, with the second mounting plate 14 for being fixedly connected of execution cabinet cabinet body, and with close
The attachment base 18 of locking bar suspension hook cooperation, the middle part of the transverse link are connected by vertical hinge bar 16 with mounting plate, the cross
Hinged to one end of connecting rod and the upper end of vertical link, the other end of transverse link passes through the sliding block phase of flexible shaft line 2 and hole-lock
It connects, the lower end of the attachment base and vertical link is fixedly connected, and connecting plate 19 is set in vertical link, on connecting plate 19
Equipped with the connecting rod through hole that vertical link passes through, connecting plate 19 is fixedly connected by leading truck and mounting plate, above connecting plate
Vertical link on be set with attachment base reset spring 20.The hole-lock is loaded near the transfer device of position, according to practical need
The position of hole-lock can be adjusted by the start angle of adjusting position transfer device by asking, and hole-lock is generally loaded on position transmitting dress
Above or below setting；The present invention is that two mutual disjunct breakers increases are mechanical interlocked, after wherein any one combined floodgate,
Another because locking can not close a floodgate, it is ensured that only one can close a floodgate.After increasing mechanical interlock, frame open circuit will not influence
The extraction of device is overhauled, while will not influence breaker performance.It is equipped in one end of investment bar and executes cabinet breaker transmission with first
The connection spline of axis cooperation.Cover board half of the guide groove by half guide-track groove of bottom plate that is arranged on bottom plate and setting on the cover board
Guide-track groove docking composition.The installation notch with suspension hook cooperation are provided on attachment base.
The sliding block of described 2 one end of flexible shaft line and hole-lock connects, the transverse link phase of the other end and locking link mechanism
It connects；The locking link mechanism can drive blocking device to be latched breaker；The position transfer device is driven mounted in breaker
On axis, with the combined floodgate of breaker, separating brake, it can rotate, reset accordingly；The position transfer device is thrown in breaker closing
Entering arm rotation, the sliding block of hole-lock is depressed, pulls flexible shaft line, flexible shaft line drives locking link mechanism to depress blocking device,
Block breaker closing plectrum；Position transfer device input arm in breaker open operation resets, and is equipped in hole-lock
Reset spring.The sliding block of hole-lock resets under the action of the spring, and locking link mechanism is no longer drawn by flexible shaft line, multiple in attachment base
Position spring effect is lower to be resetted, and blocking device resets under deadlock lever action of reset spring, and deadlock lever leaves breaker closing plectrum,
Release locking；The mechanical interlocking mechanism only comes into force when breaker is in working position, invalid in test position, does not influence breaker
Shake into shaking out, and without especially being processed to breaker when installing.
Claims (4)
1. a kind of middle crush-cutting changes cabinet mechanical interlock mechanism, it is characterised in that: execute cabinet, the second execution cabinet, position biography including first
Delivery device, hole-lock, locking link mechanism and blocking device；
The position transfer device is mounted on the first execution cabinet, and position transfer device includes executing cabinet breaker transmission with first
The investment bar of axis cooperation rotation, is set with bearing block outside investment bar, and bearing block and first execute cabinet breaker shell stationary phase
It connects, bearing is installed between bearing block and investment bar, installed in one end that investment bar executes cabinet breaker transmission shaft far from first
There is input arm, input arm is fixedly connected with investment bar；
The hole-lock is mounted on the cabinet body of the first execution cabinet, and hole-lock includes box body, and box body is made of bottom plate and cover board,
The sliding block cooperated with position transfer device input arm is equipped between cover board and bottom plate, sliding block stretches out box body upwards, at the bottom of sliding block
Portion is equipped with guide rod, and the guide groove for facilitating guide rod to move up and down is equipped in box body；
The blocking device is mounted in the lower part cabinet body of the second execution cabinet, and blocking device includes executing cabinet breaker with second to close
It is solid to be equipped with the locking being fixedly connected with the second execution cabinet breaker shell in the middle part of deadlock lever for the deadlock lever of lock plectrum cooperation
Fixed board, is equipped with the deadlock lever through hole that deadlock lever passes through in locking fixed plate, suspension hook is equipped at the top of deadlock lever, in suspension hook
It is fixed with locking stops between locking fixed plate, deadlock lever is installed between locking stops and locking fixed plate and resets bullet
Spring；
The locking link mechanism is mounted in the top tank body of the second execution cabinet, and locking link mechanism includes transverse link, erects
To connecting rod, the mounting plate being fixedly connected with the second execution cabinet cabinet body, and the attachment base with the cooperation of deadlock lever suspension hook, the transverse direction
The middle part of connecting rod is connected by vertical hinge bar with mounting plate, and one end of the transverse link and the upper end of vertical link are hinged,
The other end of transverse link is connected by flexible shaft line with the sliding block of hole-lock, the lower end stationary phase of the attachment base and vertical link
It connects, connecting plate is set in vertical link, the connecting rod through hole that vertical link passes through is equipped on connecting plate, connecting plate passes through
Leading truck is fixedly connected with mounting plate, and attachment base reset spring is set in the vertical link above connecting plate.
2. middle crush-cutting according to claim 1 changes cabinet mechanical interlock mechanism, it is characterised in that: be equipped in one end of investment bar
The connection spline for executing the cooperation of cabinet breaker transmission shaft with first.
3. middle crush-cutting according to claim 1 changes cabinet mechanical interlock mechanism, it is characterised in that: the guide groove is by being arranged in
Half guide-track groove of cover board of half guide-track groove of bottom plate and setting on the cover board on bottom plate docks composition.
4. middle crush-cutting according to claim 1 changes cabinet mechanical interlock mechanism, it is characterised in that: be provided with and hang on attachment base
The installation notch of hook cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723883.1A CN110289184A (en) | 2019-08-07 | 2019-08-07 | Middle crush-cutting changes cabinet mechanical interlock mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723883.1A CN110289184A (en) | 2019-08-07 | 2019-08-07 | Middle crush-cutting changes cabinet mechanical interlock mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110289184A true CN110289184A (en) | 2019-09-27 |
Family
ID=68024833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910723883.1A Pending CN110289184A (en) | 2019-08-07 | 2019-08-07 | Middle crush-cutting changes cabinet mechanical interlock mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110289184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927963A (en) * | 2022-05-09 | 2022-08-19 | 苏州明捷精密机械有限公司 | Power distribution cabinet panel with locking mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959291Y (en) * | 2006-10-25 | 2007-10-10 | 遵义长征电器开关设备有限责任公司 | Double-power supply mechanical interlocking device of medium-voltage fixed switch cabinet |
| US20180151309A1 (en) * | 2016-11-25 | 2018-05-31 | Shenzhen Taiyong Electric Co., Ltd. | Medium voltage double power supply change-over switch with permanent magnet |
| CN210110579U (en) * | 2019-08-07 | 2020-02-21 | 传蔚电气(上海)有限公司 | Medium-voltage switch cabinet mechanical interlocking mechanism |
-
2019
- 2019-08-07 CN CN201910723883.1A patent/CN110289184A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959291Y (en) * | 2006-10-25 | 2007-10-10 | 遵义长征电器开关设备有限责任公司 | Double-power supply mechanical interlocking device of medium-voltage fixed switch cabinet |
| US20180151309A1 (en) * | 2016-11-25 | 2018-05-31 | Shenzhen Taiyong Electric Co., Ltd. | Medium voltage double power supply change-over switch with permanent magnet |
| CN210110579U (en) * | 2019-08-07 | 2020-02-21 | 传蔚电气(上海)有限公司 | Medium-voltage switch cabinet mechanical interlocking mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 黎家维;: "VD4型真空断路器闭锁电磁铁故障分析", 电工技术, no. 10, 10 October 2009 (2009-10-10) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927963A (en) * | 2022-05-09 | 2022-08-19 | 苏州明捷精密机械有限公司 | Power distribution cabinet panel with locking mechanism |
| CN114927963B (en) * | 2022-05-09 | 2023-04-07 | 苏州明捷精密机械有限公司 | Power distribution cabinet panel with locking mechanism |
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