CN204086514U - Secondary voltage drop test coil holder - Google Patents
Secondary voltage drop test coil holder Download PDFInfo
- Publication number
- CN204086514U CN204086514U CN201420502932.1U CN201420502932U CN204086514U CN 204086514 U CN204086514 U CN 204086514U CN 201420502932 U CN201420502932 U CN 201420502932U CN 204086514 U CN204086514 U CN 204086514U
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- China
- Prior art keywords
- wire
- support
- transmission shaft
- connecting plate
- coil holder
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- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Abstract
The utility model gives a kind of secondary voltage drop test coil holder, comprise support, transmission shaft, wire spool and p-wire, wire spool is arranged on transmission shaft, transmission shaft two ends are supported on support respectively, p-wire is wrapped on wire spool, top and the end of p-wire are all provided with interface, support are provided with drum fastening assembly; Drum fastening assembly comprises connecting plate, spring and limit connector, connecting plate one end is fixedly connected on support, the other end of connecting plate is fixedly connected with one end of spring, transmission shaft walked around by connecting plate and spring, connecting plate is near transmission shaft, connecting plate has some projections on the sidewall of transmission shaft, and the other end and the limit connector of spring are fixed, and limit connector is fixed on support.Complete aforesaid operations and only need operating personnel, improve work efficiency, also reduce cost, and p-wire is in transit in wire spool, can not scratch by support at available protecting p-wire edge.
Description
Technical field
The utility model relates to a kind of coil holder, the coil holder specifically used in a kind of Secondary Circuit of Potential Transformer test.
Background technology
In Secondary Circuit of Potential Transformer test, use pressure fall-off test lead frame to connect voltage transformer (VT) terminal box and pulpit electric energy meter, common pressure fall-off test lead frame is triangular supports, during unwrapping wire, need people's fixed triangle frame, people's both hands rotate drum unwrapping wire, and another people's bracing wire operates.
But the lead frame in above-mentioned secondary circuit test has following shortcoming: the test lead 1, carried is short; 2, p-wire cannot be protected in use and transportation, and after using a period of time, drum is easily out of shape, edge scratch support, causes drum rotate difficulty and easily scratch p-wire; 3, running program is complicated, needs several operating personnel's collaborative work; 4, between p-wire two ends interface three-phase the end of a thread, clearance for insulation is little, easily causes short circuit.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of secondary voltage drop simple to operate, easy to use test coil holder.
For solving the problems of the technologies described above, the utility model provides a kind of secondary voltage drop test coil holder, comprise support, transmission shaft, wire spool and p-wire, wire spool is arranged on transmission shaft, transmission shaft two ends are supported on support respectively, p-wire is wrapped on wire spool, and top and the end of p-wire are all provided with interface, support are provided with drum fastening assembly;
Described drum fastening assembly comprises connecting plate, spring and limit connector, connecting plate one end is fixedly connected on support, the other end of connecting plate is fixedly connected with one end of spring, transmission shaft walked around by connecting plate and spring, connecting plate is near transmission shaft, connecting plate has some projections on the sidewall of transmission shaft, and the other end and the limit connector of spring are fixed, and limit connector is fixed on support.
The top of p-wire can shield to go between with Substation control room electric energy meter and be connected by operating personnel, the band of position spring of moving of adjustment limit connector pulls connecting plate, connecting plate is kept not contact with rotation axis, transmission shaft is free to rotate, and then regulate the spread length of p-wire, until the end of p-wire and high voltage device of transformer station district press and become terminal box and be connected, the band of position spring of moving of adjustment limit connector pulls connecting plate, by connecting plate against time on the rotating shaft, the resistance that rotation axis rotates increases, drum fastening assembly controls the rotation of wire-wrap board, and then the spread length of fixing test line,
After adopting such structure, completing aforesaid operations only needs operating personnel, improve work efficiency, also reduce cost, and p-wire is in transit in wire spool, can not scratch by support at available protecting p-wire edge.
In order to clearer understanding technique effect of the present utility model, below this secondary voltage drop is tested coil holder referred to as this coil holder.
The limit connector of this coil holder comprises adjustable limiting pin and coordinates with limit base, adjustable limiting pin one end is connected with spring, the sidewall of adjustable limiting pin is extended with some locating pins, some locating pins are along the axial directional distribution of cylinder, limit base is fixed on support, limit base has some notches coordinated with adjustable limiting pin; After adopting such structure, the more reasonable structure of limit connector, uses more convenient.
Transmission shaft one end of this coil holder is provided with dismountable turning handle; After adopting such structure, conveniently can stretch p-wire.
The support of this coil holder is provided with telescopic lever, and telescopic lever comprises the body of rod and several holders, and several holders are separately fixed at middle part and the top of support, and each holder has through hole, and the body of rod moves along the centerline direction of through hole; After adopting such structure, directly can pull telescopic lever in transit, to pull this coil holder to move integrally, be convenient to mobile.
The top of the p-wire of this coil holder is fixed on wire spool; After adopting such structure, top is fixing can avoid p-wire in routine use to be wound around confusion.
The support of this coil holder is fixedly connected with hook; After adopting such structure, hook can be hung with line card, facilitate routine use.
The p-wire of this coil holder is three-phase and four-line p-wire, and two end interface internal fixtion of p-wire have the insulation barrier that four wires are separated; After adopting such structure, insulation barrier can separate the inner three-phase the end of a thread of p-wire, avoids causing short circuit.
The support of this coil holder is arranged reasonable line passage, the end of p-wire stretches out support from reason line passage; After test terminates, reclaim p-wire through reason line passage, reason line channel alignment wire spool, can make p-wire be ordered on wire spool, avoid the unordered winding of p-wire.
Accompanying drawing explanation
Fig. 1 is the front view of this coil holder embodiment.
Fig. 2 is the rear view of this coil holder embodiment.
Fig. 3 is the left view of this coil holder embodiment.
Fig. 4 is the structural representation of this coil holder embodiment connecting plate.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is the structural representation of this coil holder embodiment limit base.
Fig. 7 is the structural representation of this coil holder embodiment adjustable limiting pin.
Fig. 8 is the stereographic map of this coil holder embodiment interface.
Fig. 9 is the cut-open view of Fig. 8.
Figure 10 is the structural representation of this coil holder embodiment telescopic lever.
Embodiment
As shown in Figures 1 to 3
This coil holder comprises support 1, wire spool 4, drum fastening assembly and p-wire 5.
Support 1 is metal framework structure, and support 1 is substantially in rectangular-shaped, and the inside of support 1 is cavity, is provided with four pulleys 11 on the downside of support 1, is convenient to mobile, reasonable line passage 14 on support 1 sidewall.
As shown in Figure 10
The trailing flank of support 1 is provided with telescopic lever 2, telescopic lever 2 comprises the inverted U-shaped body of rod and four holders 21, the body of rod comprises the first body of rod 22a, the second body of rod 22b and the 3rd body of rod 22c, the first body of rod 22a that the 3rd body of rod 22c level connection joint is vertical and the second body of rod 22b; Four holders 21 are welded on the trailing flank of support 1, four holders 21 are distributed in middle part and the top of support 1 trailing flank respectively, each holder 21 has vertical through hole 21a, first body of rod 22a and the second body of rod 22b is set in the through hole 21a of holder 21, the lower end of the first body of rod 22a and the second body of rod 22b is all outward extended with boss 22d, and the body of rod can move along the centerline direction of four through hole 21a.
As shown in Figures 1 to 3
Support 1 front end face is welded with hook 12, and hook 12 is hung with line card, and line card can conveniently be located p-wire 5.
The front and back sides of support 1 is welded with bearing 13 respectively, and transmission shaft 3 two ends coordinate with the bearing 13 of support 1 respectively, and the two ends of transmission shaft 3 are stretched out outside support 1, and the front end of transmission shaft 3 is provided with dismountable turning handle 31.
As shown in Figure 8-9
The wire spool 4 of isolation material is arranged on transmission shaft 3, wire spool 4 trailing flank distance bracket 1 trailing flank has certain interval, p-wire 5 is wrapped on wire spool 4, p-wire 5 is three-phase and four-line p-wire 5, the top of p-wire 5 and end are all provided with interface 51, the interface 51 at p-wire 5 top is fixed on wire spool 4, and the interface 51 of p-wire 5 end stretches out support 1 from reason line passage 14, and p-wire 5 interface 51 internal fixtion has the crosswise insulation barrier 52 that four wires are separated.
As shown in Fig. 4 to 7
Support 1 is provided with drum fastening assembly, drum fastening assembly comprises the connecting plate 61 of arc, spring 62 and limit connector 7, connecting plate 61 lower end is welded on the right flank bottom of support 1, the upper end of connecting plate 61 and one end of spring 62 are fixed, connecting plate 61 is in the gap between wire spool 4 and support 1 trailing flank, connecting plate 61 and spring 62 are walked around from the left side of transmission shaft 3, the solid sheet in middle part of connecting plate 61 is near transmission shaft 3, connecting plate 61 in the middle part of the sidewall of transmission shaft 3 on have some protruding 61a, the other end and the limit connector 7 of spring 62 are connected and fixed.
Limit connector 7 comprises adjustable limiting pin 71 and coordinates with limit base 72, the sidewall of adjustable limiting pin 71 is extended with four locating pins, be respectively two the first locating pin 71a and two, right side, the second locating pin 71b in left side, two the first locating pin 71a and two the second locating pin 71b overlap in the projection of the horizontal end face of adjustable limiting pin 71, two the first locating pin 71a are consistent with the trend of two the second locating pin 71b, adjustable limiting pin 71 one end is connected with spring 62, limit base 72 is fixed on the right flank top of support 1, limit base 72 has some notch 72a coordinated with adjustable limiting pin 71,
Before doing Secondary Circuit of Potential Transformer test, the top interface 51 of p-wire 5 is shielded to go between with Substation control room electric energy meter and is connected, again by the groove of two of adjustable limiting pin 71 the second locating pin 71b through limit base 72, circumference rotates adjustable limiting pin 71, two the second locating pin 71b are coordinated with limit base 72, now, gap is had between connecting plate 61 and transmission shaft 3, do not interfere between connecting plate 61 and transmission shaft 3, shake turning handle 31, and by the pull-out from reason line passage 14 of the end interface 51 of p-wire 5, until the end interface 51 of p-wire 5 and high voltage device of transformer station district press and become terminal box and be connected, again two of adjustable limiting pin 71 the first locating pin 71a and two the second locating pin 71b are passed the groove of limit base 72, circumference rotates adjustable limiting pin 71, two the first locating pin 71a are coordinated with limit base 72, adjustable limiting pin 71 pulls spring 62, spring 62 drives connecting plate 61 to be resisted against on transmission shaft 3, protruding 61a on connecting plate 61 limits transmission shaft 3 and rotates, and then the length of whole p-wire 5 is fixed, so far Secondary Circuit of Potential Transformer test can be started.
Above-described is only a kind of embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model principle; can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a secondary voltage drop test coil holder, comprise support, transmission shaft, wire spool and p-wire, wire spool is arranged on transmission shaft, transmission shaft two ends are supported on support respectively, p-wire is wrapped on wire spool, top and the end of p-wire are all provided with interface, it is characterized by: support is provided with drum fastening assembly;
Described drum fastening assembly comprises connecting plate, spring and limit connector, connecting plate one end is fixedly connected on support, the other end of connecting plate is fixedly connected with one end of spring, transmission shaft walked around by connecting plate and spring, connecting plate is near transmission shaft, connecting plate has some projections on the sidewall of transmission shaft, and the other end and the limit connector of spring are fixed, and limit connector is fixed on support.
2. secondary voltage drop test coil holder according to claim 1, it is characterized in that: limit connector comprises adjustable limiting pin and coordinates with limit base, adjustable limiting pin one end is connected with spring, the sidewall of adjustable limiting pin is extended with some locating pins, some locating pins are along the axial directional distribution of cylinder, limit base is fixed on support, limit base has some notches coordinated with adjustable limiting pin.
3. secondary voltage drop test coil holder according to claim 1, is characterized in that: transmission shaft one end is provided with dismountable turning handle.
4. secondary voltage drop test coil holder according to claim 1, it is characterized in that: support is provided with telescopic lever, telescopic lever comprises the body of rod and several holders, several holders are separately fixed at middle part and the top of support, each holder has through hole, and the body of rod moves along the centerline direction of through hole.
5. secondary voltage drop test coil holder according to claim 1, is characterized in that: the top of p-wire is fixed on wire spool.
6. secondary voltage drop test coil holder according to claim 1, is characterized in that: support is fixedly connected with hook.
7. secondary voltage drop test coil holder according to claim 1, it is characterized in that: p-wire is three-phase and four-line p-wire, two end interface internal fixtion of p-wire have the insulation barrier that four wires are separated.
8. secondary voltage drop test coil holder according to claim 1, is characterized in that: support is arranged reasonable line passage, and the end of p-wire stretches out support from reason line passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502932.1U CN204086514U (en) | 2014-09-02 | 2014-09-02 | Secondary voltage drop test coil holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502932.1U CN204086514U (en) | 2014-09-02 | 2014-09-02 | Secondary voltage drop test coil holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086514U true CN204086514U (en) | 2015-01-07 |
Family
ID=52179215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420502932.1U Active CN204086514U (en) | 2014-09-02 | 2014-09-02 | Secondary voltage drop test coil holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181492A (en) * | 2014-09-02 | 2014-12-03 | 国家电网公司 | Secondary voltage drop testing wire rack |
-
2014
- 2014-09-02 CN CN201420502932.1U patent/CN204086514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181492A (en) * | 2014-09-02 | 2014-12-03 | 国家电网公司 | Secondary voltage drop testing wire rack |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |