CN204792531U - Modular door interlock of transformer high -low pressure room - Google Patents
Modular door interlock of transformer high -low pressure room Download PDFInfo
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- CN204792531U CN204792531U CN201520465857.0U CN201520465857U CN204792531U CN 204792531 U CN204792531 U CN 204792531U CN 201520465857 U CN201520465857 U CN 201520465857U CN 204792531 U CN204792531 U CN 204792531U
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- low voltage
- high pressure
- door interlock
- transformer high
- pressure room
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Abstract
The utility model relates to a modular door interlock of transformer high -low pressure room, it including locate operation subassembly in the low pressure control chamber, locate the indoor locking subassembly of operation with high pressure and wear to locate the low pressure control chamber and the operation with high pressure room between the linkage unit of baffle, linkage unit is attended operation subassembly and locking subassembly respectively. An object of the utility model is to provide a convenient operation, the high modular door interlock of transformer high -low pressure room of security. The utility model has the advantages of: through the indoor locking subassembly of operation component control operation with high pressure in the low pressure control chamber, after the staff only formerly opens low pressure control chamber door and accomplishes the safe operation, could be smoothly open operation with high pressure room door, prevent that workman's negligence from leading to the potential safety hazard.
Description
Technical field
The utility model relates to a kind of door interlock of combined transformer high and low voltage chamber.
Background technology
Combined transformer is the transformer being combined in one by transformer body, on-load switch, high-tension fuse, shunting switch, adds that high voltage switchgear and control appliance, low tension switch (circuit breaker), electric energy measuring equipment and reactive power compensator equipment and control appliance get up with a public shell seal the complete power distribution equipment of compact of formation.Staff, when checking the instrument and meter of operation with high pressure indoor, first need turn off the low-voltage circuit breaker of low voltage operated indoor, makes operation with high pressure room not charged, thus ensures its personal safety.But existing box-type substation does not arrange the device that forced working personnel complete aforesaid operations, easily there is the serious consequence caused because of individual's carelessness.
Summary of the invention
The purpose of this utility model is to provide a kind of door interlock device of easy to operate, combined transformer high and low voltage chamber that fail safe is high.
The purpose of this utility model is achieved through the following technical solutions: a kind of door interlock of combined transformer high and low voltage chamber, and it comprises the operating assembly being located at low voltage operated indoor, the locked component being located at operation with high pressure indoor and is arranged in the linkage unit of space bar of low voltage operated room and operation with high pressure room; Described linkage unit is attended operation assembly and locked component respectively.
Compared to prior art, the utility model has the advantage of:
1. controlled the locked component of operation with high pressure indoor by the operating assembly of low voltage operated indoor, staff only has and formerly opens after low voltage operated room door completes safety operation, could be opened by operation with high pressure room door smoothly, prevents workman's negligence from causing potential safety hazard.
2. coordinate between the keyway arrangements on positioning sleeve and the alignment pin on sliding bar, convenient to operation, singlely can complete enabling work, assist without the need to other people.
3. brake cable structure is applicable to operation with high pressure room is double door or the situation such as apart from each other between operating assembly and locked component, certain buffer length is left in its outer tube cover part, when preventing extensible member place door from opening, affect the rate of tension of brake cable interior lines, ensure that the validity of operating assembly.
Accompanying drawing explanation
Fig. 1 is the using state schematic diagram (closedown) of the door interlock embodiment of a kind of combined transformer high and low voltage chamber of the utility model.
Fig. 2 is another using state schematic diagram (unlatching) of the door interlock of the high and low voltage chamber of combined transformer shown in Fig. 1.
The structural representation (employing brake cable structure) of the door interlock of Tu3Shi combined transformer high and low voltage chamber.
Fig. 4 is the structural representation (adopting gangbar structure) of the door interlock of another kind of combined transformer high and low voltage chamber.
Fig. 5 is the structural representation of positioning sleeve.
Label declaration: 1 operating assembly, 1-1 positioning sleeve, 1-2 sliding bar, 1-3 keyway, 1-4 alignment pin, 1-5 nut, 2 locked components, 2-1 latch, 2-2 latch fixed muffle, 2-3 back-moving spring, 2-4 location hole, 3 linkage units, 3-1 outer tube, 3-2 interior lines, 3-3 gangbar, 4 dividing plates.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model content is described in detail:
Be depicted as the embodiment schematic diagram of the door interlock of the combined transformer high and low voltage chamber that the utility model provides as Fig. 1 to 5, it comprises the operating assembly 1 being located at low voltage operated indoor, the locked component 2 being located at operation with high pressure indoor and is arranged in the linkage unit 3 of space bar 4 of low voltage operated room and operation with high pressure room; Described linkage unit 3 is attended operation assembly 1 and locked component 2 respectively.Staff will enter operation with high pressure room, need first to open low voltage operated room door to enter low voltage operated indoor and turn off circuit breaker, then control locked component 2 by operating assembly 1, remove the locking to operation with high pressure room door, then open operation with high pressure room door and enter operation with high pressure in-house operation.
Described locked component 2 comprises and controls by operating assembly 1 extensible member that stretches and be located at operation with high pressure room outer side of door along location hole 2-4 that is upper and that coordinate with extensible member.During the employing double door of operation with high pressure room, location hole 2-4 is arranged on edge outside the offside door of operation with high pressure room, extensible member is arranged on edge outside the offside door of operation with high pressure room, when being controlled extensible member by operating assembly 1 through location hole 2-4, can limit the unlatching of operation with high pressure room door.During the employing single open-door of operation with high pressure room, location hole 2-4 is arranged on outer side of door edge, operation with high pressure room, and extensible member is arranged on the indoor sidewall of corresponding operation with high pressure.
Described extensible member comprises latch fixed muffle 2-2, be plugged in latch 2-1 in latch fixed muffle 2-2 and back-moving spring 2-3, described back-moving spring 2-3 front end is resisted against in the middle part of latch 2-1, back-moving spring 2-3 rear end is resisted against latch fixed muffle 2-2 rear end, and described latch 2-1 extends latch fixed muffle 2-2 rear end and is fixedly connected with linkage unit 3.
Described operating assembly 1 comprises positioning sleeve 1-1 and the movable sliding bar 1-2 be located in positioning sleeve 1-1; Described positioning sleeve 1-1 lateral wall is provided with keyway 1-3, and described sliding bar 1-2 is provided with the alignment pin 1-4 coordinated with keyway 1-3.Alignment pin 1-4 can move to positioning sleeve 1-1 rear end along keyway 1-3, is resisted against on the rear end of positioning sleeve 1-1, plays position-limiting action after rotation.
Described positioning sleeve 1-1 is bolt, and bolt axial location offers the through hole holding sliding bar 1-2 and pass, and described bolt is fixed on the dividing plate 4 between low voltage operated room and operation with high pressure room by nut 1-5.Bolt, is tightened by the nut 1-5 of side, low voltage operated room from side, operation with high pressure room through dividing plate 4.
Described linkage unit 3 is brake cable.Brake cable structure be applicable to operation with high pressure room be double door or apart from each other between operating assembly 1 and locked component 2, not in situations such as same level lines.The 3-2 two ends, interior lines of brake cable are fixedly connected with sliding bar 1-2 and latch 2-1 respectively, and the outer tube 3-1 two ends of brake cable are fixedly connected with on positioning sleeve 1-1 and operation with high pressure room sidewall or operation with high pressure room offside door respectively.Brake cable outer tube 3-1 should leave certain buffer length in cover part, when preventing extensible member place door from opening, affects the rate of tension of brake cable interior lines 3-2, ensure that the validity of operating assembly 1.
Described linkage unit 3 is gangbar 3-3.It is single open-door situation that gangbar 3-3 structure is applicable to operation with high pressure room.
Claims (7)
1. a door interlock for combined transformer high and low voltage chamber, is characterized in that: it comprises the linkage unit (3) of the operating assembly (1) being located at low voltage operated indoor, the locked component (2) being located at operation with high pressure indoor and the space bar (4) that is arranged in low voltage operated room and operation with high pressure room; Described linkage unit (3) is attended operation assembly (1) and locked component (2) respectively.
2. the door interlock of combined transformer high and low voltage chamber according to claim 1, is characterized in that: described locked component (2) comprises by the flexible extensible member of operating assembly (1) control and is located at operation with high pressure room outer side of door along location hole (2-4) that is upper and that coordinate with extensible member.
3. the door interlock of combined transformer high and low voltage chamber according to claim 2, it is characterized in that: described extensible member comprises latch fixed muffle (2-2), be plugged in the latch (2-1) in latch fixed muffle (2-2) and back-moving spring (2-3), described back-moving spring (2-3) front end is resisted against latch (2-1) middle part, back-moving spring (2-3) rear end is resisted against latch fixed muffle (2-2) rear end, described latch (2-1) extends latch fixed muffle (2-2) rear end and is fixedly connected with linkage unit (3).
4. the door interlock of combined transformer high and low voltage chamber according to claim 1, is characterized in that: described operating assembly (1) comprises positioning sleeve (1-1) and activity and is located at sliding bar (1-2) in positioning sleeve (1-1); Described positioning sleeve (1-1) lateral wall is provided with keyway (1-3), and described sliding bar (1-2) is provided with the alignment pin (1-4) coordinated with keyway (1-3).
5. the door interlock of combined transformer high and low voltage chamber according to claim 4, it is characterized in that: described positioning sleeve (1-1) is bolt, bolt axial location offers the through hole holding sliding bar (1-2) and pass, and described bolt is fixed on the dividing plate (4) between low voltage operated room and operation with high pressure room by nut (1-5).
6. the door interlock of the combined transformer high and low voltage chamber according to claim 1-5 any one, is characterized in that: described linkage unit (3) is brake cable.
7. the door interlock of the combined transformer high and low voltage chamber according to claim 1-5 any one, is characterized in that: described linkage unit (3) is gangbar (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465857.0U CN204792531U (en) | 2015-06-30 | 2015-06-30 | Modular door interlock of transformer high -low pressure room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465857.0U CN204792531U (en) | 2015-06-30 | 2015-06-30 | Modular door interlock of transformer high -low pressure room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792531U true CN204792531U (en) | 2015-11-18 |
Family
ID=54532530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520465857.0U Active CN204792531U (en) | 2015-06-30 | 2015-06-30 | Modular door interlock of transformer high -low pressure room |
Country Status (1)
| Country | Link |
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| CN (1) | CN204792531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934247A (en) * | 2015-06-30 | 2015-09-23 | 国家电网公司 | Door interlocking apparatus for high and low-voltage chambers of combined transformer |
-
2015
- 2015-06-30 CN CN201520465857.0U patent/CN204792531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934247A (en) * | 2015-06-30 | 2015-09-23 | 国家电网公司 | Door interlocking apparatus for high and low-voltage chambers of combined transformer |
| CN104934247B (en) * | 2015-06-30 | 2017-02-22 | 国家电网公司 | Door interlocking apparatus for high and low-voltage chambers of combined transformer |
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| GR01 | Patent grant |