CN205304070U - Gu seal insulating switchgear's cabinet door interlock - Google Patents
Gu seal insulating switchgear's cabinet door interlock Download PDFInfo
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- CN205304070U CN205304070U CN201521112112.2U CN201521112112U CN205304070U CN 205304070 U CN205304070 U CN 205304070U CN 201521112112 U CN201521112112 U CN 201521112112U CN 205304070 U CN205304070 U CN 205304070U
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Abstract
The utility model discloses a gu seal insulating switchgear's cabinet door interlock, including operating axis, assembly subassembly, go up door plant, door plant, installation roof beam, spring, fastener down. Be equipped with hexagon shaft at the operating axis tip, by the specialized tool operation, make the operating axis rotate, load module and for the spring fastener fix on the installation roof beam of the cabinet body, like this, chain axle moves to upper portion with the pivot hole on the support bracket by door plant pivot hole down under the effect of spring, the pivot in the load module can be spacing, makes the operation of chain axle limit in certain space, chain epaxial round pin axle, support round pin shaft hole and the baffle of being equipped with, support round pin shaft hole are used for the rigging pin axle, and the baffle can cover or open the handle hole that is equipped with on the door plant. The utility model discloses device principle novelty, simple structure, strong adaptability are suitable for batch production, while easy operation, convenient to use, safe and reliable.
Description
Technical field
The utility model relates to the cabinet gate interlock device of a kind of sealing insulated switching installation, belongs to the cabinet gate interlock device technique field of complete switch equipment in power transmission and transformation system.
Background technology
In power transmission and transformation system, switching device is its important composition function unit, for conveying and the distribution of electric energy, except closing normal line current, can divide disconnected bigger short-circuit current at failure condition. For medium voltage network with insulating material close sealing insulated switching installation because its insulating property are good, volume compact, versatility height obtain more and more general promotion and application.
In medium voltage switchgear equipment, strict working order order of operation and linkage relationship is had between isolating switch (on-load switch), isolator and grounding switch and cabinet door-plate, during maintenance, first divide isolating switch (on-load switch), secondly it is isolator, be finally close grounding switch, at this moment in cabinet, live components and circuit separate, and have reliable ground connection, just can open cabinet door, enter maintenance in cabinet. During transmission operation, first lock cabinet door, separately grounding switch, then close isolator, finally close isolating switch (on-load switch), make equipment be in normal operating condition. As above order makes a mistake operation, have and cause equipment failure burn and cause the major hidden danger of operation personnel's personal injury.
In medium voltage switchgear equipment, operating mechanism is to there being strict order operation linkage relationship between isolating switch (on-load switch), isolator, grounding switch, generally, between grounding switch and cabinet door-plate, reliable linkage relationship is its important part.
For solving accident potential existing between above-mentioned grounding switch and cabinet door-plate, the purpose of this utility model is to provide the cabinet gate interlock device of a kind of sealing insulated switching installation, its chain reliable, novel structure, chain for solving the cabinet door of the medium voltage switchgear equipment of sealing insulation, also can be used for the cabinet door of other medium voltage switchgear equipment chain, versatility is good, is easy to promote the use of.
Practical novel content
Order of the present utility model is to provide the cabinet gate interlock device of the switching device that a kind of principle is novel, structure sealing simple, simple to operate, esy to use, safe and reliable insulate.
The purpose of this utility model can be achieved through the following technical solutions:
A cabinet gate interlock device for the switching device of sealing insulation, comprises operating axis, making-up unit, upper door-plate, lower door-plate, installs beam, spring, fastening piece. It is provided with hexagonal axle in operating axis end, operates by special tool, operating axis is rotated; Making-up unit is provided with chain axle, support, bearing pin; Making-up unit and spring fastening piece (joining nut, spring washer, flat pad) are fixed on the installation beam of cabinet, like this, chain axle is under the action of the spring, by the pin shaft hole on lower door-plate pin shaft hole and support to ionized motion, bearing pin in making-up unit can be spacing, makes the operation of chain axle be limited in certain space; Chain axle is provided with bearing pin, bracket pins axis hole and baffle plate, and bracket pins axis hole is used for assembling bearing pin, and baffle plate can cover or open the operation hole that door-plate is provided with.
When the switching device of sealing insulation needs charging operation, first shut the upper door-plate of cabinet and lower door-plate, stretch into the hexagonal axle operating on operating axis in the operation hole of upper door-plate to rotate counterclockwise with special tool, the cam that operating axis is provided with pushes down the top of chain axle in making-up unit, by being rotated further, continues motion under making chain axis, when operating axis rotate in place, grounding switch separately, in the lower door-plate pin shaft hole of the bottom insertion of chain axle, makes lower door-plate open. Like this, during the switching device charging operation that sealing insulate, operation or maintenance personnel cannot open lower door-plate to carry out device interior, can not touch live components, ensure that the personnel safety of the normal operation of equipment and personnel.
When the switching device of sealing insulation needs interruption maintenance, first separate isolating switch (on-load switch), stretch into the hexagonal axle operating on operating axis in the operation hole of upper door-plate with special tool and rotate clockwise separately isolator, by being rotated further, because pushing down the rotation of the cam on the top of chain axle in making-up unit, chain axle upwards moves under the elastic force effect of spring, when operating axis rotate in place, grounding switch is in and closes, element is in reliable ground state, at this moment retract in the bottom of chain axle in lower door-plate pin shaft hole, and lower every can be opened. At this moment, the ground switch of switching device of sealing insulation is in and closes, and maintenance personnel can inspection switch equipment safely.
The beneficial effects of the utility model: the utility model principle of device is novel, structure is simple, strong adaptability, is suitable for batch production; Simultaneously simple to operate, esy to use, safe and reliable.
Accompanying drawing explanation
Fig. 1 be a kind of sealing insulated switching installation cabinet gate interlock device under door-plate can open the front view of state;
Fig. 2 be a kind of sealing insulated switching installation cabinet gate interlock device under door-plate can open the vertical view of state;
Fig. 3 be a kind of sealing insulated switching installation cabinet gate interlock device under door-plate can not open the front view of state;
Fig. 4 be a kind of sealing insulated switching installation cabinet gate interlock device under door-plate can not open the vertical view of state;
Fig. 5 is the front view of making-up unit;
Fig. 6 is the side-view of making-up unit;
Fig. 7 is the front view of chain axle;
Fig. 8 is the side-view of chain axle;
Fig. 9 is the front view of support;
Figure 10 is the side-view of support;
Figure 11 is the vertical view of support;
Figure 12 is the front view of operating axis;
Figure 13 is the side-view of operating axis;
Figure 14 is the front view of spring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the cabinet gate interlock device of described a kind of sealing insulated switching installation, comprises operating axis (1), making-up unit (2), upper door-plate (6), lower door-plate (4), installs beam (3), spring (17), fastening piece (20).
As shown in Figure 5, Figure 6, described making-up unit (2) is provided with chain axle (7), support (8), bearing pin (9), and support (8) is between chain axle (7) top and bearing pin (9).
As shown in Figure 7, Figure 8, described chain axle (7) is provided with baffle plate (12), bearing pin (13), bracket pins axis hole (14), and described bearing pin (13) cross section is rectangle.
As shown in Fig. 9, Figure 10, Figure 11, described support (8) is provided with open holes (10), pin shaft hole (11), and described axis hole (11) cross section is rectangle.
As shown in Figure 12 and Figure 13, described operating axis (1) upper end is provided with cam (15), hexagonal axle (16).
As shown in figure 14, described spring (17) is a compression spring, produces elastic force when being namely in pressured state.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, making-up unit (2) and spring (17), fastening piece (20) (comprising bolt, nut, spring washer, flat pad) are fixed on the installation beam (3) of cabinet, like this, the chain axle (7) that making-up unit (2) is provided with is under the effect of spring (17), by the pin shaft hole (11) on lower door-plate pin shaft hole (19) and support (8) to ionized motion, bearing pin (9) in making-up unit (2) can be spacing, and the operation of chain axle (7) is limited in certain space.
When the switching device of sealing insulation needs charging operation, first shut the upper door-plate (6) of cabinet, lower door-plate (4), stretch in the operation hole (5) of upper door-plate (6) with special tool, hexagonal axle (16) on operating axis (1) is rotated counterclockwise, the cam (15) that on operating axis, (1) is provided with pushes down the top of the upper chain axle (7) of making-up unit (2), by being rotated further, chain axle (7) is made to continue motion downwards, when operating axis (1) rotate in place, grounding switch is separately, in the pin shaft hole (19) of the lower door-plate (4) of the bottom insertion of chain axle (1), lower door-plate (4) cannot be opened. like this, during the switching device charging operation that sealing insulate, operation or maintenance personnel cannot open lower door-plate (4) access arrangement inside, touch live components, ensure that the personnel safety of the normal operation of equipment and personnel.
When the switching device of sealing insulation needs interruption maintenance, first separate isolating switch (on-load switch), stretch in the operation hole (5) of upper door-plate (6) with special tool, the hexagonal axle (16) on operating axis (1) is made to rotate clockwise separately isolator, by being rotated further, because pushing down the rotation of the cam (15) on the top of the upper chain axle (7) of making-up unit (2), chain axle (7) upwards moves under the elastic force effect of spring (17), when operating axis (1) rotate in place, grounding switch is in and closes, element is in reliable ground state, at this moment retract in the bottom of chain axle (7) in the pin shaft hole (19) of lower door-plate (4), lower door-plate (4) can be opened. at this moment, the ground switch of switching device of sealing insulation is in and closes, and maintenance personnel can inspection switch equipment safely.
Above content is only to the utility model structure example and explanation; described specific embodiment is made various amendment or supplements or adopt similar mode to substitute by affiliated those skilled in the art; as long as not deviateing practical novel structure or surmounting this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (4)
1. the cabinet gate interlock device of a sealing insulated switching installation, comprise operating axis (1), making-up unit (2), upper door-plate (6), lower door-plate (4), beam (3) is installed, spring (17), fastening piece (20), it is characterized in that, described operating axis (1) upper end is provided with cam (15), hexagonal axle (16), described making-up unit (2) is provided with chain axle (7), support (8), bearing pin (9), described support (8) is between chain axle (7) top and bearing pin (9), described making-up unit (2) and spring (17), fastening piece (20) is fixed on the installation beam (3) of cabinet, the chain axle (7) that making-up unit (2) is provided with is under the effect of spring (17), by the pin shaft hole (11) on lower door-plate pin shaft hole (19) and support (8) to ionized motion, bearing pin (9) in making-up unit (2) can be spacing, the operation of chain axle (7) is limited in fixing space.
2. the cabinet gate interlock device of a kind of sealing insulated switching installation according to claim 1, it is characterized in that, during the switching device charging operation that described sealing insulate, hexagonal axle (16) on operating axis (1) rotates counterclockwise, the cam (15) that operating axis (1) is provided with pushes down the top of the upper chain axle (7) of making-up unit (2), by being rotated further, chain axle (7) continues motion downwards, when operating axis (1) rotate in place, grounding switch is separately, in the pin shaft hole (19) of the lower door-plate (4) of the bottom insertion of chain axle (7), lower door-plate (4) cannot be opened.
3. the cabinet gate interlock device of a kind of sealing insulated switching installation according to claim 1, it is characterized in that, during the switching device interruption maintenance that described sealing insulate, hexagonal axle (16) on operating axis (1) rotates clockwise separately isolator, by being rotated further, because pushing down the rotation of the cam (15) on the top of the upper chain axle (7) of making-up unit (2), chain axle (7) upwards moves under the elastic force effect of spring (17), when operating axis (1) rotate in place, grounding switch is in and closes, element is in reliable ground state, at this moment retract in the bottom of chain axle (7) in the pin shaft hole (19) of lower door-plate (4), lower door-plate (4) can be opened.
4. the cabinet gate interlock device of a kind of sealing insulated switching installation according to claim 1, it is characterized in that, described chain axle (7) is provided with baffle plate (12), bearing pin (13), bracket pins axis hole (14), described bearing pin (13) cross section is rectangle, described support (8) is provided with open holes (10), pin shaft hole (11), and described axis hole (11) cross section is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112112.2U CN205304070U (en) | 2015-12-28 | 2015-12-28 | Gu seal insulating switchgear's cabinet door interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112112.2U CN205304070U (en) | 2015-12-28 | 2015-12-28 | Gu seal insulating switchgear's cabinet door interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304070U true CN205304070U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112112.2U Active CN205304070U (en) | 2015-12-28 | 2015-12-28 | Gu seal insulating switchgear's cabinet door interlock |
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| Country | Link |
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| CN (1) | CN205304070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107293426A (en) * | 2017-07-26 | 2017-10-24 | 安徽驰纬电气有限公司 | A kind of ring main unit cabinet door interlock |
| CN111048335A (en) * | 2019-12-13 | 2020-04-21 | 上海平高天灵开关有限公司 | Forced interlocking device |
-
2015
- 2015-12-28 CN CN201521112112.2U patent/CN205304070U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107293426A (en) * | 2017-07-26 | 2017-10-24 | 安徽驰纬电气有限公司 | A kind of ring main unit cabinet door interlock |
| CN107293426B (en) * | 2017-07-26 | 2019-03-08 | 安徽驰纬电气有限公司 | A kind of ring network cabinet cabinet door interlock |
| CN111048335A (en) * | 2019-12-13 | 2020-04-21 | 上海平高天灵开关有限公司 | Forced interlocking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 239000 Standardized Workshop No. 2 Quanzhou Road, Modern Industrial Park, Suchu, Chuzhou, Anhui Province Patentee after: Anhui New Electric Co., Ltd. Address before: 230001, No. 66, Changan Road, Bai Yan Science Park, hi tech Zone, Anhui, Hefei Patentee before: ANHUI BIAOXIAN ELECTRICAL CO., LTD. |
|
| TR01 | Transfer of patent right |