CN201174531Y - Interlocking device for carrier and door of distribution cabinet - Google Patents
Interlocking device for carrier and door of distribution cabinet Download PDFInfo
- Publication number
- CN201174531Y CN201174531Y CNU2008200336332U CN200820033633U CN201174531Y CN 201174531 Y CN201174531 Y CN 201174531Y CN U2008200336332 U CNU2008200336332 U CN U2008200336332U CN 200820033633 U CN200820033633 U CN 200820033633U CN 201174531 Y CN201174531 Y CN 201174531Y
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- Prior art keywords
- door
- dead bolt
- pin
- cabinet
- lock tongue
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- Expired - Fee Related
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Abstract
The utility model relates to a mechanical interlocking device for a power distribution cabinet handcart and a cabinet door, which comprises a lock tongue mechanism arranged on a chassis truck and a lock plate mechanism which corresponds to the lock tongue mechanism and is arranged on the cabinet door. The lock tongue mechanism comprises a lock tongue, a lock tongue pin, a tension spring and an idler wheel. The lock tongue is hinged with the chassis truck wall by the lock tongue pin; the idler wheel is hinged with one end of the lock tongue by an idler wheel pin; the other end of the lock tongue has a hook-shaped structure; one end of the tension spring is fixed on the middle part of the lock tongue; and the other end of the tension spring is fixed on a pin roll of the chassis truck. The lock plate mechanism comprises a rotary pin roll and a door panel lock sheet; after the rotary pin roll runs through the cabinet door and a hinged ear of the door panel lock sheet respectively, the door panel lock sheet is fastened in the cabinet door by a fastening piece; and a groove-shaped structure of the door panel lock sheet accommodates the hook-shaped structure of the lock tongue. The mechanical interlocking device has simple manufacturing, and safe and reliable mechanical interlock, and fully meets the requirement of safe operation of the power distribution cabinet handcart.
Description
Technical field
The utility model relates to a kind of safety guard of power distribution cabinet, relates in particular to the mechanical interlocking device of a kind of power distribution cabinet handcart and cabinet door, belongs to the controller switching equipment technical field.
Background technology
The electrical power distribution cabinet is the electrical power distribution cabinet of 10kV voltage gradation particularly, require higher to handling safety, when handcart is in the service position, the cabinet door of handcart chamber does not allow to open, have only when handcart is return test position fully, the cabinet door of handcart chamber just can be opened, and guarantees operating personnel's safety with this; But work as handcart in the service position or in the process of advancing to the service position, as run into special situation, need open power distribution cabinet cabinet door, this moment, requirement can use fastened tools to open power distribution cabinet cabinet door again.
Complexity is installed in the mechanical interlocking device manufacturing of existing power distribution cabinet handcart and cabinet door, operation sequence is complicated, and the interlock of cabinet part is fixed by bolts in the cabinet door, during release, must all interlocking members on the cabinet all be come off the bolt complete removal; In the time of will realizing this chain function again, must with bolt mechanical part be refilled on cabinet again, time-consuming, the effort of this kind linkage mode, operability is not strong, and the processing safety of power distribution cabinet is lower.
The utility model content
The technical problems to be solved in the utility model is: because the specific (special) requirements of the fail safe of power distribution cabinet handcart and cabinet door, must be equipped with a kind of easy and simple to handle, mechanical chain is safe and reliable, run into special situation, can open the power distribution cabinet handcart of power distribution cabinet cabinet door and the mechanical interlocking device of cabinet door with fastened tools again.
In order to achieve the above object, the utility model is achieved by the following technical programs:
The interlock of a kind of power distribution cabinet handcart and rotating pin comprises the spring bolt mechanism that is arranged on the car of chassis and corresponding with it jam plate mechanism that is arranged on the cabinet door.
The purpose of this utility model can also further realize by following technical measures.
The interlock of aforesaid a kind of power distribution cabinet handcart and cabinet door, the spring bolt mechanism on the car of wherein said chassis comprises dead bolt, dead bolt pin, extension spring, roller; Described dead bolt is hinged by the dead bolt pin and the chassis car wall that are provided with in the middle, described roller is hinged by an end of roller pin and dead bolt, the other end of described dead bolt is a hook-shape structure, and an end of described extension spring is fixed on the middle part of dead bolt, and the other end of described extension spring is fixed on the bearing pin of chassis car.
The interlock of aforesaid a kind of power distribution cabinet handcart and cabinet door, wherein said jam plate mechanism comprises rotating pin, door-plate locking plate; Described door-plate locking plate is a bathtub construction, and one side of described bathtub construction plate is bent into door-plate locking plate hinge ear to the flute profile outside, and described rotating pin passes cabinet door, door-plate locking plate hinge ear respectively, and described door-plate locking plate will be fastened in the cabinet door by securing member; The bathtub construction of described door-plate locking plate is held the hook-shape structure of dead bolt.
The interlock of aforesaid a kind of power distribution cabinet handcart and cabinet door, wherein said rotating pin is the step axle, and the big end of described step axle is positioned at the cabinet outer side of door, and the shape of this big end matches with fastened tools, and described step the tip of the axis is provided with helicitic texture.
This device is made simple, need not to dismantle any device during operation, only needs the rotation rotational pin, has satisfied the needs of power distribution cabinet processing safety fully, has embodied the design features of hommization simultaneously, has improved security reliability and operating efficiency.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a C-C of the present utility model cross section enlarged diagram.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1 and Figure 2, the utility model comprises the spring bolt mechanism 1 that is arranged on the car of chassis and corresponding with it jam plate mechanism 2 that is arranged on the cabinet door.Spring bolt mechanism 1 comprises dead bolt 1-1, dead bolt pin 1-2, extension spring 1-3, roller 1-4.Dead bolt 1-1 is hinged by the dead bolt pin 1-2 and the chassis car wall that are provided with in the middle, and the end hook of extension spring 1-3 is in extension spring hole, the middle part of dead bolt 1-1, and the other end of extension spring 1-3 is hooked on the bearing pin 3-1 of chassis car 3.Roller 1-4 is hinged by the end of roller pin and dead bolt 1-1, and the other end of dead bolt 1-1 is hook-shape structure 1-11.
When handcart by A when the arrow direction is advanced car, handcart is return test position fully; Roller 1-4 pressurized, dead bolt 1-1 rotates counterclockwise around dead bolt pin 1-2, extension spring 1-3 tension, the hook-shape structure 1-11 of dead bolt 1-1 breaks away from the door-plate locking plate 2-2 of jam plate mechanism 2, and can open the cabinet door 4 of handcart chamber this moment.
When handcart by B when the arrow direction is moved back car, this moment handcart be in the service position.Dead bolt 1-1 clockwise rotates under the effect of the elastic force of extension spring 1-3, and the hook-shape structure 1-11 of dead bolt 1-1 enters in the bathtub construction of jam plate mechanism 2, and cabinet door 4 locked can not the opening of handcart chamber are guaranteed operating personnel's safety.
The elastic force of the described extension spring 1-3 of present embodiment is guaranteed the mechanical chain of the cabinet door 4 of handcart chamber.Adopt such fabricated structure, make simply, need not to dismantle any device during operation, the needs of power distribution cabinet processing safety have been satisfied fully, improve security reliability and operating efficiency, especially embodied the design features that people-oriented, improved the fail safe and the practicality of device.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (4)
1. the interlock of power distribution cabinet handcart and rotating pin is characterized in that: comprise the spring bolt mechanism that is arranged on the car of chassis and corresponding with it jam plate mechanism that is arranged on the cabinet door.
2. the interlock of a kind of power distribution cabinet handcart according to claim 1 and cabinet door is characterized in that: the spring bolt mechanism on the car of described chassis comprises dead bolt, dead bolt pin, extension spring, roller; Described dead bolt is hinged by the dead bolt pin and the chassis car wall that are provided with in the middle, described roller is hinged by an end of roller pin and dead bolt, the other end of described dead bolt is a hook-shape structure, and an end of described extension spring is fixed on the middle part of dead bolt, and the other end of described extension spring is fixed on the bearing pin of chassis car.
3. the interlock of a kind of power distribution cabinet handcart according to claim 1 and cabinet door is characterized in that: described jam plate mechanism comprises rotating pin, door-plate locking plate; Described door-plate locking plate is a bathtub construction, and one side of described bathtub construction plate is bent into door-plate locking plate hinge ear to the flute profile outside, and described rotating pin passes cabinet door, door-plate locking plate hinge ear respectively, and described door-plate locking plate is fastened in the cabinet door by securing member; The bathtub construction of described door-plate locking plate is held the hook-shape structure of dead bolt.
4. the interlock of a kind of power distribution cabinet handcart according to claim 3 and cabinet door, it is characterized in that: described rotating pin is the step axle, the big end of described step axle is positioned at the cabinet outer side of door, and the shape of this big end matches with fastened tools, and described step the tip of the axis is provided with helicitic texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200336332U CN201174531Y (en) | 2008-03-28 | 2008-03-28 | Interlocking device for carrier and door of distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200336332U CN201174531Y (en) | 2008-03-28 | 2008-03-28 | Interlocking device for carrier and door of distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174531Y true CN201174531Y (en) | 2008-12-31 |
Family
ID=40201658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200336332U Expired - Fee Related CN201174531Y (en) | 2008-03-28 | 2008-03-28 | Interlocking device for carrier and door of distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174531Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780164A (en) * | 2012-07-16 | 2012-11-14 | 镇江大全伊顿电器有限公司 | Back door interlocking mechanism of medium voltage switchgear |
| CN102780170A (en) * | 2012-07-16 | 2012-11-14 | 镇江大全伊顿电器有限公司 | Interlocking mechanism for door closing operation of switch cabinet |
| CN103569182A (en) * | 2013-10-12 | 2014-02-12 | 安徽鑫龙电器股份有限公司 | Tool for limiting retraction of cart and operating method thereof |
| CN103904577A (en) * | 2013-08-23 | 2014-07-02 | 华荣科技股份有限公司 | Interlocking mechanism and vacuum power distribution unit including same |
| CN103959583A (en) * | 2011-11-21 | 2014-07-30 | Abb技术股份公司 | Interlocking device for a switchgear |
| CN104037638A (en) * | 2014-06-09 | 2014-09-10 | 国家电网公司 | Blocking device of ground handcart |
| CN104600616A (en) * | 2013-10-31 | 2015-05-06 | 伊顿公司 | Withdrawable contactor trucks, related swtichgear, kits and methods |
| CN105490198A (en) * | 2015-12-31 | 2016-04-13 | 上海纳杰电气成套有限公司 | Interlocking structure for locking anti-misoperation door of switch device pull mechanism |
| CN112736748A (en) * | 2020-11-06 | 2021-04-30 | 国网山东省电力公司阳信县供电公司 | Handcart type self-locking switch cabinet and handcart operation method |
-
2008
- 2008-03-28 CN CNU2008200336332U patent/CN201174531Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959583A (en) * | 2011-11-21 | 2014-07-30 | Abb技术股份公司 | Interlocking device for a switchgear |
| CN103959583B (en) * | 2011-11-21 | 2016-09-28 | Abb技术股份公司 | Interlock for switchgear |
| CN102780170A (en) * | 2012-07-16 | 2012-11-14 | 镇江大全伊顿电器有限公司 | Interlocking mechanism for door closing operation of switch cabinet |
| CN102780164A (en) * | 2012-07-16 | 2012-11-14 | 镇江大全伊顿电器有限公司 | Back door interlocking mechanism of medium voltage switchgear |
| CN103904577B (en) * | 2013-08-23 | 2016-02-24 | 华荣科技股份有限公司 | Interlocking device and the vacuum distribution equipment comprising it |
| CN103904577A (en) * | 2013-08-23 | 2014-07-02 | 华荣科技股份有限公司 | Interlocking mechanism and vacuum power distribution unit including same |
| CN103569182A (en) * | 2013-10-12 | 2014-02-12 | 安徽鑫龙电器股份有限公司 | Tool for limiting retraction of cart and operating method thereof |
| CN103569182B (en) * | 2013-10-12 | 2015-05-20 | 安徽鑫龙电器股份有限公司 | Tool for limiting retraction of cart and operating method thereof |
| CN104600616A (en) * | 2013-10-31 | 2015-05-06 | 伊顿公司 | Withdrawable contactor trucks, related swtichgear, kits and methods |
| US10177544B2 (en) | 2013-10-31 | 2019-01-08 | Eaton Intelligent Power Limited | Withdrawable contactor trucks with integral motorized levering-in, related switchgear, kits and methods |
| CN104037638B (en) * | 2014-06-09 | 2016-06-22 | 国家电网公司 | A kind of earthing handcart locking device |
| CN104037638A (en) * | 2014-06-09 | 2014-09-10 | 国家电网公司 | Blocking device of ground handcart |
| CN105490198A (en) * | 2015-12-31 | 2016-04-13 | 上海纳杰电气成套有限公司 | Interlocking structure for locking anti-misoperation door of switch device pull mechanism |
| CN112736748A (en) * | 2020-11-06 | 2021-04-30 | 国网山东省电力公司阳信县供电公司 | Handcart type self-locking switch cabinet and handcart operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20110328 |