CN201682182U - Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet - Google Patents
Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet Download PDFInfo
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- CN201682182U CN201682182U CN2010201425646U CN201020142564U CN201682182U CN 201682182 U CN201682182 U CN 201682182U CN 2010201425646 U CN2010201425646 U CN 2010201425646U CN 201020142564 U CN201020142564 U CN 201020142564U CN 201682182 U CN201682182 U CN 201682182U
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Abstract
The utility model relates to the field of a high-voltage switch cabinet of complete electrical equipment, in particular to a mechanical interlocking device for an earthing switch and a back door of a high-voltage switch cabinet, which comprises a rotating shaft sleeve, a fixed shaft sleeve, a spring seat, an operating shaft, a thrust mechanism and a limit mechanism, wherein a spring is sleeved outside the operating shaft between the fixed shaft sleeve and the spring seat; bayonets which are matched are arranged between the rotating shaft sleeve and the fixed shaft sleeve; a part of the thrust mechanism and the limit mechanism is fixed on a side plate, and the other part thereof is connected with the fixed shaft sleeve; the thrust mechanism pushes the fixed shaft sleeve to move axially along the operating shaft; and the limit mechanism limits the axial moving range of the fixed shaft sleeve on the operating shaft. The meshing part of the mechanical interlocking device is provided with only two semicircular bayonets on the shaft sleeves, therefore, the mechanical interlocking device is restored by the spring, the structure is simple, the matching with the back door is stable, the locking and quick wear are avoided, and the operation safety can be ensured reliably.
Description
Technical field
The utility model relates to electric complete set of equipments high-tension switch cabinet field, relates in particular to a kind of high-tension switch cabinet earthed switch and back mechanical door interlock.
Background technology
High-tension switch cabinet is a kind ofly generally to use distribution switchgear for everybody, therefore along with the economic development people more pay attention to aspect the security protection, high-tension switch cabinet earthed switch and back mechanical door interlock are the interlockings between high-tension switch cabinet cable vault door and the earthed switch, to guarantee the staff when the cable vault is operated, the accident of entail dangers to personal safety does not take place.High-tension switch cabinet is implemented the few of interlocking to back door and earthed switch at present, and mostly be the turbine and worm formula, the back gate interlock of this mode not only operates heavy, and number of operations increases then turbine and worm engagement position wear block, will lose efficacy after a period of time; If long-term inoperation turbine and worm can be stuck, interlocking causes not opening.
The utility model content
Technical problem to be solved in the utility model has provided a kind of high-tension switch cabinet earthed switch and back mechanical door interlock, and this interlock cooperates stable with the back door, and apparatus structure is simple, and is easy for installation.
The utility model is achieved in that a kind of high-tension switch cabinet earthed switch and back mechanical door interlock, comprise rotary sleeve, fixed hub, spring base, operating axis, thrust mechanism and position-limit mechanism, described operating axis is installed on the side plate of switch cubicle, lock tube is equipped with in the end that operating axis stretches out switch cubicle, rotary sleeve and spring base are fixedly mounted on the operating axis, fixed hub is sleeved on the operating axis between rotary sleeve and spring base, fixed hub and operating axis constitute moving sets, operating axis between fixed hub and the spring base is set with spring outward, have the bayonet socket that matches between rotary sleeve and the fixed hub, a described thrust mechanism and a position-limit mechanism part are fixed on the side plate, another part links to each other with fixed hub, thrust mechanism promotes fixed hub and moves axially along operating axis, the moving range of position-limit mechanism restriction fixed hub on operating axis is axial.
Described thrust mechanism comprises top stem casing, part and push rod, and described part is fixed on the side plate, has through hole on the part, and an end of described push rod links to each other with top stem casing after passing the through hole that props up on the part, and the push rod other end is fixed on the fixed hub.
Described position-limit mechanism comprises limiting bracket and pin, and described limiting bracket is fixed on the side plate, has waist hole, location on the limiting bracket, and described pin one end inserts in the waist hole, location, and the other end is fixed on the fixed hub.
Bayonet socket between described rotary sleeve and the fixed hub is the semicircle breach of two mutual interlocks.
The utility model earthed switch has only two semicircle bayonet sockets on the axle sleeve with the engagement position of back mechanical door interlock, one is fixed on the earthed switch operating axis one and pushes open by the back door, the dependence spring is replied, simple in structure, cooperate with the back door stable, do not have phenomenon such as stuck, quick wearing and tearing, can reliably guarantee the safety of operating.
Description of drawings
Fig. 1 is the utility model high-tension switch cabinet earthed switch and back mechanical door interlock structural representation;
Fig. 2 is the schematic top plan view when rotary sleeve and fixed hub break away from engagement in the utility model;
Fig. 3 is the schematic top plan view the during engagement of rotary sleeve and fixed hub in the utility model.
Among the figure: 1 side plate, 2 lock tubes, 3 top stem casings, 4 parts, 5 limiting brackets, 6 pins, 7 push rods, 8 rotary sleeves, 9 fixed hubs, 10 springs, 11 spring bases, 12 operating axis.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, 2, 3, a kind of high-tension switch cabinet earthed switch and back mechanical door interlock, comprise rotary sleeve 8, fixed hub 9, spring base 11, operating axis 12, thrust mechanism and position-limit mechanism, side plate 1 in this interlock is high-voltage switch gear cabinet back side panel, front side board in itself and the whole cabinet, dividing plate, base plate, top board or the like are fixing, the operating axis 12 of earthed switch is mounted thereto to be rotated operation, to earthed switch implement to cut-off, closed procedure; Described operating axis 12 is installed on the side plate 1 of switch cubicle, lock tube 2 is equipped with in the end that operating axis 12 stretches out switch cubicle, rotary sleeve 8 and spring base 11 are fixedly mounted on the operating axis 12, fixed hub 9 is sleeved on the operating axis 12 between rotary sleeve 8 and spring base 11, fixed hub 9 constitutes moving sets with operating axis 12, the outer springs 10 that are set with of operating axis 12 between fixed hub 9 and the spring base 11, spring base 11 define spring 10 and can only apply along the axial active force of operating axis 12 to fixed hub 9; Have the bayonet socket that matches between rotary sleeve 8 and the fixed hub 9, a described thrust mechanism and a position-limit mechanism part are fixed on the side plate 1, another part links to each other with fixed hub 9, thrust mechanism promotes fixed hub 9 and moves axially along operating axis 12, and position-limit mechanism restriction fixed hub 9 is in the moving range of operating axis 12 on axially.
The whole process of the utility model work is: when need the cable vault is keeped in repair or other operations before first detection earthed switch state, earthed switch is in the close position, the back door just can be opened, this moment, lock tube 2 lock portions were vertical state, push rod 7 is at the effect of spring 10 home position next time, the mutual interlock of buckle between rotary sleeve 8 and the fixed hub 9, this moment, the operating axis 12 of earthed switch can't rotate, and opening behind the door, earthed switch only may be in closure state; Shut after the back door, the back door is by the thrust mechanism applied thrust, make the bayonet socket of rotary sleeve 8 and the bayonet socket of fixed hub 9 break away from interlock, but this moment is the operating axis 12 of operational grounding switch, it is revolved turn 90 degrees, allow earthed switch be in and cut-off the position, lock tube 2 is followed operating axis 12 rotations, its lock portion is the level of state and pins the back door, and the back door can't be opened.
Comprise top stem casing 3, part 4 and push rod 7 at thrust mechanism described in the utility model, described part 4 is fixed on the compound bending part on the side plate 1, prop up on the part 4 and have through hole, one end of described push rod 7 links to each other with top stem casing 3 after passing the through hole that props up on the part 4, push rod 7 other ends are fixed on the fixed hub 9, act on the fixed hub 9 along push rod 7 through top stem casing 3 during operation.
The utility model can further describe to described position-limit mechanism and comprise limiting bracket 5 and pin 6, described limiting bracket 5 is fixed on the side plate 1, have waist hole, location on the limiting bracket 5, described pin 6 one ends insert in the waist hole, location, and the other end is fixed on the fixed hub 9.
In addition, in the present embodiment, the bayonet socket between described rotary sleeve 8 and the fixed hub 9 is the semicircle breach of two mutual interlocks, guarantees during both interlocks that the operating axis 12 of earthed switch can't rotate.
Claims (4)
1. high-tension switch cabinet earthed switch and back mechanical door interlock, it is characterized in that: comprise rotary sleeve (8), fixed hub (9), spring base (11), operating axis (12), thrust mechanism and position-limit mechanism, described operating axis (12) is installed on the side plate (1) of switch cubicle, lock tube (2) is equipped with in the end that operating axis (12) stretches out switch cubicle, rotary sleeve (8) and spring base (11) are fixedly mounted on the operating axis (12), fixed hub (9) is sleeved on and is positioned on the operating axis (12) between rotary sleeve (8) and the spring base (11), fixed hub (9) constitutes moving sets with operating axis (12), the outer spring (10) that is set with of operating axis (12) between fixed hub (9) and the spring base (11), have the bayonet socket that matches between rotary sleeve (8) and the fixed hub (9), a described thrust mechanism and a position-limit mechanism part are fixed on the side plate (1), another part links to each other with fixed hub (9), thrust mechanism promotes fixed hub (9) and moves axially along operating axis (12), the moving range of position-limit mechanism restriction fixed hub (9) on operating axis (12) is axial.
2. high-tension switch cabinet earthed switch as claimed in claim 1 and back mechanical door interlock, it is characterized in that: described thrust mechanism comprises top stem casing (3), part (4) and push rod (7), described part (4) is fixed on the side plate (1), prop up on the part (4) and have through hole, one end of described push rod (7) links to each other with top stem casing (3) after passing the through hole that props up on the part (4), and the other end of push rod (7) is fixed on the fixed hub (9).
3. high-tension switch cabinet earthed switch as claimed in claim 1 and back mechanical door interlock, it is characterized in that: described position-limit mechanism comprises limiting bracket (5) and pin (6), described limiting bracket (5) is fixed on the side plate (1), have waist hole, location on the limiting bracket (5), described pin (6) one ends insert in the waist hole, location, and the other end is fixed on the fixed hub (9).
4. high-tension switch cabinet earthed switch as claimed in claim 1 and back mechanical door interlock, it is characterized in that: the bayonet socket between described rotary sleeve (8) and the fixed hub (9) is the semicircle breach of two mutual interlocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201425646U CN201682182U (en) | 2010-03-26 | 2010-03-26 | Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201425646U CN201682182U (en) | 2010-03-26 | 2010-03-26 | Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201682182U true CN201682182U (en) | 2010-12-22 |
Family
ID=43347215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201425646U Expired - Fee Related CN201682182U (en) | 2010-03-26 | 2010-03-26 | Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201682182U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290727A (en) * | 2011-08-18 | 2011-12-21 | 伊顿电力设备有限公司 | Device for interlocking cable chamber cabinet doors and switch operating mechanisms of medium-voltage and high-voltage switchgears |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN103198947A (en) * | 2013-04-22 | 2013-07-10 | 中煤科工集团重庆研究院 | Transmission mechanism for explosionproof door lock |
| CN103227063A (en) * | 2013-04-23 | 2013-07-31 | 镇江大全伊顿电器有限公司 | Interlocking mechanism for ground switch and back door of medium-voltage switch cabinet |
| CN104733214A (en) * | 2015-04-11 | 2015-06-24 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism used for high-voltage switch cabinet |
| CN105429039A (en) * | 2015-12-28 | 2016-03-23 | 安徽标先电气股份有限公司 | Cabinet door interlocking device for solid-encapsulated insulated switchgear |
| CN107925227A (en) * | 2015-08-27 | 2018-04-17 | 伊顿智能动力有限公司 | Mechanical door interlock |
| CN110010382A (en) * | 2019-04-04 | 2019-07-12 | 江苏天翔电气有限公司 | A kind of driving device of high voltage ground switch operating stick |
| CN111029204A (en) * | 2019-12-30 | 2020-04-17 | 青岛益和电气集团股份有限公司 | Locking device for rear door and grounding switch of switch cabinet |
| CN111063575A (en) * | 2019-10-18 | 2020-04-24 | 河南平高通用电气有限公司 | Switch cabinet with cabinet door and grounding switch interlocking device |
-
2010
- 2010-03-26 CN CN2010201425646U patent/CN201682182U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290727A (en) * | 2011-08-18 | 2011-12-21 | 伊顿电力设备有限公司 | Device for interlocking cable chamber cabinet doors and switch operating mechanisms of medium-voltage and high-voltage switchgears |
| CN102290727B (en) * | 2011-08-18 | 2014-05-28 | 伊顿电力设备有限公司 | Device for interlocking cable chamber cabinet doors and switch operating mechanisms of medium-voltage and high-voltage switchgears |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN102543516B (en) * | 2012-01-10 | 2015-02-25 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN103198947A (en) * | 2013-04-22 | 2013-07-10 | 中煤科工集团重庆研究院 | Transmission mechanism for explosionproof door lock |
| CN103227063A (en) * | 2013-04-23 | 2013-07-31 | 镇江大全伊顿电器有限公司 | Interlocking mechanism for ground switch and back door of medium-voltage switch cabinet |
| CN104733214A (en) * | 2015-04-11 | 2015-06-24 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism used for high-voltage switch cabinet |
| CN104733214B (en) * | 2015-04-11 | 2017-01-11 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism used for high-voltage switch cabinet |
| CN107925227A (en) * | 2015-08-27 | 2018-04-17 | 伊顿智能动力有限公司 | Mechanical door interlock |
| CN107925227B (en) * | 2015-08-27 | 2020-07-07 | 伊顿智能动力有限公司 | Mechanical door interlocking device |
| CN105429039A (en) * | 2015-12-28 | 2016-03-23 | 安徽标先电气股份有限公司 | Cabinet door interlocking device for solid-encapsulated insulated switchgear |
| CN110010382A (en) * | 2019-04-04 | 2019-07-12 | 江苏天翔电气有限公司 | A kind of driving device of high voltage ground switch operating stick |
| CN110010382B (en) * | 2019-04-04 | 2024-02-23 | 江苏天翔电气有限公司 | Driving device of high-voltage grounding switch operating rod |
| CN111063575A (en) * | 2019-10-18 | 2020-04-24 | 河南平高通用电气有限公司 | Switch cabinet with cabinet door and grounding switch interlocking device |
| CN111029204A (en) * | 2019-12-30 | 2020-04-17 | 青岛益和电气集团股份有限公司 | Locking device for rear door and grounding switch of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20150326 |
|
| EXPY | Termination of patent right or utility model |