CN202771998U - Interlocking device of grounding switch and cable chamber door for ring network cabinet - Google Patents
Interlocking device of grounding switch and cable chamber door for ring network cabinet Download PDFInfo
- Publication number
- CN202771998U CN202771998U CN 201220360863 CN201220360863U CN202771998U CN 202771998 U CN202771998 U CN 202771998U CN 201220360863 CN201220360863 CN 201220360863 CN 201220360863 U CN201220360863 U CN 201220360863U CN 202771998 U CN202771998 U CN 202771998U
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- support
- door
- slide plate
- interlocking device
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Abstract
The utility model discloses an interlocking device of a grounding switch and a cable chamber door for a ring network cabinet, comprising a support, a door lifting mechanism, a guide plate, a slide plate and a spacing plate. The door lifting mechanism comprises a door lifting plate, a latch and a baffle plate. The door lifting plate is arranged at one side of the support; the latch is vertically arranged in the installing hole of the door lifting plate and is fixedly connected; the latch vertically passes through the guiding hole of the support; and the baffle plate is arranged on the door lifting plate. The support is uniformly provided with three circular bosses with axes in the same line; the axes of the circular bosses are provided with threads; the slide plate is provided with three long waist type guide grooves; the slide plate is slidingly arranged in the circular bosses of the support through the long waist type guide grooves; the slide plate is restricted on the circular bosses of the support through a plain washer and a third screw; the door lifting plate is provided with square bosses; and the slide plate is provided with folding edges with the number the same as the number of the square bosses, and the folding edges are arranged over the square bosses. According to the utility model, the structure is simplified, the motion is stable, and maloperation is effectively prevented.
Description
Technical field
The utility model relates to a kind of five-prevention interlocking device, particularly a kind of ring main unit earthed switch and interlocking device for cable vault door.
Background technology
Earthed switch is the main element of ring main unit, is installed on circuit of ring main unit, possesses certain short circuit current making capability, is used for the reliable ground of a circuit of ring main unit, guarantees the fail safe of maintenance operation; Cable chamber door is the spacer assembly of ring main unit cable vault, and band high-tension cable in operating personnel and the cable vault is effectively isolated, and guarantees personnel's safety; Earthing switch operating mechanism and cable chamber door are provided with interlocking device, in order to prevent both misoperations.
Existing ring main unit earthed switch and cable chamber door carry a mechanism for switching cable chamber door but with earthed switch without blocking function, its locking device is generally the latch system; Behind grounding switch tripping, cam compressing latch on the earthed switch driving shaft inserts cable chamber door, cable chamber door is blocked, after earthed switch closes a floodgate, cam on the earthed switch driving shaft leaves latch, back-moving spring is upspring latch, makes the cable chamber door lock release, and this structure has certain interlock.
Because having ring main unit earthed switch and cable chamber door blocking mechanism now and carrying a mechanism mutually independently, carry a mechanism without blocking function, cause interlocking device's utilance not high.
The utility model content
The technical problems to be solved in the utility model provides a kind of designs simplification, and having stable behavior can effectively prevent a kind of ring main unit of misoperation earthed switch and interlocking device for cable vault door.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of ring main unit comprises support, is placed in the limiting plate of carrying a mechanism, guide plate, slide plate and being placed in the support downside on the support with earthed switch and interlocking device for cable vault door; A described mechanism of carrying forms by carrying door-plate, latch and baffle plate; The described door-plate of carrying is placed on support one side, and described latch at right angle setting is in carrying the door-plate installing hole and be fixedly connected with, and described latch vertically runs through the support pilot hole, and described baffle plate is placed in to be carried on the door-plate; Evenly be provided with axle center three circular convexes point-blank on the described support, the center of circle of described circular convex is provided with screw thread, described slide plate is provided with three long waist type gathering sills, slide plate slidably is encased in the circular convex on the support by long waist type gathering sill, and described slide plate is limited on the circular convex of support by plain washer and the 3rd screw; The described door-plate of carrying is provided with square convex, and described slide plate is provided with the bending edges identical with square convex number, and described bending edges is above square convex.
Preferably, described guide plate is Z-type.
Preferably, an end of described guide plate and latch are flexibly connected, and the other end is fixedly connected with support.
Preferably, described limiting plate is T-shaped.
Preferably, described limiting plate slidably is placed in the installing hole of support downside, and described limiting plate is connected by the second extension spring with the support downside.
Preferably, vertically be installed with the first screw on the described slide plate, the circular convex in described right side is provided with the second screw, and described the second screw is connected with the first screw on the slide plate by the first extension spring.
By technique scheme, the beneficial effects of the utility model are:
The interlocking elements such as slide plate are set on the utility model, make and propose a mechanism and blocking mechanism merging, can realize the reliable interlocking of ring main unit earthed switch and cable chamber door; This interlock designs simplification, having stable behavior, can effectively prevent misoperation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model upward view;
Fig. 3 is the utility model assembling schematic diagram 1(blocking);
Fig. 4 is the utility model assembling schematic diagram 2(blocking);
Fig. 5 is the utility model assembling schematic diagram 1(released state);
Fig. 6 is the utility model assembling schematic diagram 2(released state);
Fig. 7 is the utility model unlocked position schematic diagram;
Fig. 8 is the utility model locked position of coupler schematic diagram.
Numeral and the represented corresponding component title of letter among the figure:
1, carries door-plate 2, latch 3, baffle plate 4, guide plate 5, support 6, slide plate 7, the first extension spring 8, limiting plate 9, the second extension spring 10, earthed switch operating axis 11, earthed switch driving shaft 12, connecting lever 13, cable chamber door 14, circular convex 15, square convex 16, the first screw 17, bending edge 18, gathering sill 19, the second screw 20, the 3rd screw 21, plain washer
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
To shown in Figure 8, a kind of ring main unit of the utility model comprises support 5, is placed in the limiting plate 8 of carrying a mechanism, guide plate 4, slide plate 6 and being placed in support 5 downsides on the support 5 with earthed switch and interlocking device for cable vault door referring to Fig. 1.
The utility model limiting plate 8 is T-shaped, and it can also be other shape according to actual needs; Limiting plate 8 slidably is placed in the installing hole of support 5 downsides, and limiting plate 8 is connected by the second extension spring 9 with support 5 downsides.
The utility model is carried a mechanism and is formed by carrying door-plate 1, latch 2 and baffle plate 3; Carry door-plate 1 and be placed on support 5 one sides, latch 2 at right angle settings are in carrying door-plate 1 installing hole and be fixedly connected with, and latch 2 vertically runs through support 5 pilot holes, and baffle plate 3 is placed in to be carried on the door-plate 1.
The utility model guide plate 4 is Z-type, and an end of guide plate 4 passes the top of latch 2, and the other end is fixedly connected with support 5, and guide plate 4 is for the guiding of carrying a mechanism and spacing.
Evenly be provided with axle center three circular convexes 14 point-blank on the utility model support 5, the center of circle of circular convex 14 is provided with screw thread, slide plate 6 is provided with three long waist type gathering sills 18, slide plate 6 slidably is encased in the circular convex 14 on the support 5 by long waist type gathering sill 18, and slide plate 6 is limited on the circular convex 14 of support 5 by plain washer 21 and the 3rd screw 20; Vertically be installed with the first screw 16 on the slide plate 6, the second screw 19 on the circular convex 14 in right side is connected with the first screw 16 on the slide plate 6 by the first extension spring 7.
The utility model is carried door-plate 1 and is provided with two square convexes 15, and slide plate 6 is provided with two bending edges 17, bending edges 17 above square convex 15, in order to stop carry door-plate 1 on carry; When grounding switch tripping, earthed switch and interlocking device for cable vault door are in blocking, and this moment, connecting lever 12 did not promote slide plate 6, and two bending edges 17 of slide plate 6 are directly over two that carry door-plate 1 square convexes 15, stopped carry a mechanism on carry, cable chamber door 13 can't be opened; After earthed switch closes a floodgate, the connecting lever 12 that is connected with earthed switch driving shaft 11 promotes slide plate 6 and moves to the left, two bending edges 17 of slide plate 6 can't stop two square convexes 15 carrying door-plate 1, earthed switch and interlocking device for cable vault door enter released state, carry a mechanism can above drawings to open cable chamber door 13; Carry carry in the mechanism and open cable chamber door after, limiting plate 8 is ejected by the effect of the second extension spring 9 and stops that latch 2 falls, and makes the baffle plate 3 of carrying a mechanism stop earthed switch operating axis 10, can't carry out sub-switching operation, the safety when guaranteeing to overhaul; When shutting cable chamber door 13, limiting plate 8 is pushed open by cable chamber door 13, and the latch 2 of carrying a mechanism falls, and cable chamber door 13 is lockable, and earthed switch operating axis 10 is removed and stopped; Operational grounding switching manipulation axle 10 is finished the ground connection separating brake, and slide plate 6 resets and stops to carry in the mechanism and carries, and makes earthed switch and interlocking device for cable vault door again enter blocking.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a ring main unit comprises support, is placed in the limiting plate of carrying a mechanism, guide plate, slide plate and being placed in the support downside on the support with earthed switch and interlocking device for cable vault door; A described mechanism of carrying forms by carrying door-plate, latch and baffle plate; The described door-plate of carrying is placed on support one side, and described latch at right angle setting is in carrying the door-plate installing hole and be fixedly connected with, and described latch vertically runs through the support pilot hole, and described baffle plate is placed in to be carried on the door-plate; It is characterized in that, evenly be provided with axle center three circular convexes point-blank on the described support, the center of circle of described circular convex is provided with screw thread, described slide plate is provided with three long waist type gathering sills, slide plate slidably is encased in the circular convex on the support by long waist type gathering sill, and described slide plate is limited on the circular convex of support by plain washer and the 3rd screw; The described door-plate of carrying is provided with square convex, and described slide plate is provided with the bending edges identical with square convex number, and described bending edges is above square convex.
2. a kind of ring main unit according to claim 1 is with earthed switch and interlocking device for cable vault door, and it is characterized in that: described guide plate is Z-type.
3. a kind of ring main unit according to claim 1 and 2 is with earthed switch and interlocking device for cable vault door, and it is characterized in that: an end of described guide plate and latch flexible connection, the other end is fixedly connected with support.
4. a kind of ring main unit according to claim 1 is with earthed switch and interlocking device for cable vault door, and it is characterized in that: described limiting plate is T-shaped.
5. a kind of ring main unit according to claim 1 is with earthed switch and interlocking device for cable vault door, and it is characterized in that: described limiting plate slidably is placed in the installing hole of support downside, and described limiting plate is connected by the second extension spring with the support downside.
6. a kind of ring main unit according to claim 1 is with earthed switch and interlocking device for cable vault door, it is characterized in that: vertically be installed with the first screw on the described slide plate, the circular convex in described right side is provided with the second screw, and described the second screw is connected with the first screw on the slide plate by the first extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360863 CN202771998U (en) | 2012-07-24 | 2012-07-24 | Interlocking device of grounding switch and cable chamber door for ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360863 CN202771998U (en) | 2012-07-24 | 2012-07-24 | Interlocking device of grounding switch and cable chamber door for ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771998U true CN202771998U (en) | 2013-03-06 |
Family
ID=47778551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360863 Expired - Lifetime CN202771998U (en) | 2012-07-24 | 2012-07-24 | Interlocking device of grounding switch and cable chamber door for ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202771998U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529643A (en) * | 2016-01-19 | 2016-04-27 | 江苏华冠电器集团有限公司 | Intelligent medium-voltage switchgear cabinet |
| CN106328428A (en) * | 2016-10-25 | 2017-01-11 | 南京南瑞集团公司 | Door interlocking device for three-station switching mechanism |
| CN114823215A (en) * | 2022-05-31 | 2022-07-29 | 山东泰开成套电器有限公司 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
-
2012
- 2012-07-24 CN CN 201220360863 patent/CN202771998U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529643A (en) * | 2016-01-19 | 2016-04-27 | 江苏华冠电器集团有限公司 | Intelligent medium-voltage switchgear cabinet |
| CN106328428A (en) * | 2016-10-25 | 2017-01-11 | 南京南瑞集团公司 | Door interlocking device for three-station switching mechanism |
| CN106328428B (en) * | 2016-10-25 | 2019-05-17 | 南京南瑞集团公司 | A kind of three-station mechanism door interlock |
| CN114823215A (en) * | 2022-05-31 | 2022-07-29 | 山东泰开成套电器有限公司 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |