CN203039294U - Working tool for live-line replacement of three-hole single connection plate linear insulator string - Google Patents
Working tool for live-line replacement of three-hole single connection plate linear insulator string Download PDFInfo
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- CN203039294U CN203039294U CN 201320018435 CN201320018435U CN203039294U CN 203039294 U CN203039294 U CN 203039294U CN 201320018435 CN201320018435 CN 201320018435 CN 201320018435 U CN201320018435 U CN 201320018435U CN 203039294 U CN203039294 U CN 203039294U
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- Prior art keywords
- guide
- latch
- fork
- jig
- hole
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- 239000012212 insulator Substances 0.000 title claims abstract description 21
- 238000013507 mapping Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to a device for live-line replacement of an insulator on a high-voltage line, particularly to a working tool for live-line replacement of a three-hole single connection plate linear insulator string, and is suitable for a three-hole single connection plate type or a similar type electric power pole tower with a cross arm on a steel pipe pole of a 220kV power transmission line. The structural features of the working tool are that the tool comprises an upper clamping device and a lower clamping device; the upper clamping device includes an upper clamp and an upper pulley block, the lower clamping device includes a lower clamp and a lower pulley block, the structure of the lower clamp is a mapping structure of the upper clamp, a structural pattern is specially adopted in which the two clamps cooperate with the two pulley blocks, and inserted-pin type fork-shaped hanging plates are connected to three-hole single connection plates at an upper side and a lower side. The tool has a simple and light overall structure, and few parts, solves the problem that an original working tool has a complex structure and complicated operating steps, a few operating personnel for high altitude operation are needed, the working procedures of workers are simplified, and working efficiency is improved.
Description
Technical field
The utility model relates to insulator charged more changing device on a kind of high-tension line, particularly a kind of charged for replacement three hole simply connected plate straight line insulator string power tools.It is applicable to the electric force pole tower of 220 kV transmission line steel pipe pole cross-arms, three hole simply connected plates or similar three hole simply connected template formulas.
Background technology
In recent years, in urban distribution network was built, the construction of high-tension electricity shaft tower adopted steel pipe pole as material in a large number, and this is because steel pipe pole occupation of land space is little, small investment, and construction speed is fast, and both artistic and practical.Yet such shaft tower steel pipe pole smooth surface, cross-arm is short and narrow, cause the operating space narrow and small, and multiple shapes such as steel pipe pole cross-arm structure is rounded, square, hexagon, insulator string hanging point pattern is various and special, adopt the list of compact to return in addition, two times or four times above wiring on the same tower, the safety clearance is little; By contrast, traditional charged for replacement insulator power tool and operational method need many people to cooperate, and need enough operating space and safety clearance, instrument is scattered, operating process is comparatively loaded down with trivial details, traditional Job Operations requirement all can't be satisfied in the operating space of the electric force pole tower of steel pipe pole and safety clearance, and task difficulty is high.220 kV transmission line steel pipe pole cross-arms, three hole simply connected templates refer to that at the cross-arm head be two yoke plates, this two yoke plate is welded on the longitudinal section, cross-arm end, the insulator string assembly type can be single string assembling, also can be two string assemblings, have three groups of hanging holes on two yoke plates, hanging hole in the middle of having only can be used for operation, be difficult to satisfy the mounting condition of common jig, can not satisfy the requirement of safety work, therefore the operation of hotline maintenance insulator string is difficult to launch, and affects the safe and reliable power supply of electrical network.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provides a kind of simple to operate, easy to operate, and reduces the charged for replacement three hole simply connected plate straight line insulator string power tools of operating personnel's quantity.
The utility model is realized by following approach:
Charged for replacement three hole simply connected plate straight line insulator string power tools, its structural feature are, include card device and following card device; Last card device includes jig and top sheave group, and last jig includes fork-shaped link plate and inserted pins, and the first half of fork-shaped link plate is a kind of forked members, and Lower Half is the connecting portion that has suspension ring, and this connecting portion is connected with the top sheave group by bolt; Forked members is the fork plate that parallel vertical is arranged, leave pin-and-hole on it, inserted pins includes guide and latch, guide is installed in one of them fork plate outside of fork-shaped link plate, opening is corresponding with the pin-and-hole of fork on the plate, latch is arranged in the guide inner chamber, and leading section is with spring member, and rearward end is provided with the operation draw ring; The bottom of top sheave group has the annulus member;
Following card device includes down jig and downslide wheels, and the structure of following jig is the mapping structure of last jig, and namely the first half is the connecting portion that has suspension ring, and Lower Half is a kind of forked members, and the downslide wheels are connected by the connecting portion of bolt with the following jig first half.
The work flow of above-mentioned power tool is specific as follows:
Provide a cover above-mentioned power tool, the operation draw ring in the operation on jig and the following jig drives latch away from pin-and-hole; A kind of operation stay cord is provided, and on the annulus member of top sheave group bottom, the other end passes downslide wheels, top sheave group in regular turn with an end colligation of stay cord, and letting droop then falls earthward, and is controlled by the ground staff.
Operating personnel take above-mentioned ready power tool to the cross-arm end, and the fork-shaped link plate of last jig is pitched on the position of simply connected plate interstitial hole, make pin-and-hole aim at interstitial hole, and the operation draw ring on the pulling latch inserts in the pin-and-hole latch; Finish being connected of jig and top simply connected plate.
Equally, with the fork-shaped link plate fork of following jig below on the interstitial hole of lead yoke plate, the operation draw ring by on the insulating bar pulling latch inserts in its corresponding pin-and-hole the latch of jig, being connected of fulfil assignment instrument and three hole simply connected plates.
Control stay cord by the ground staff, spur upper and lower assembly pulley, the distance between compression simply connected plate and the below, lax insulator string, and carry out operation and change.
Charged for replacement three hole simply connected plate straight line insulator string power tools described in the utility model are to develop according to the design feature of steel pipe pole cross-arm three hole simply connected plate hanging points, special adopt two jigs to cooperate the frame mode of assembly pulleys, the fork-shaped link plate of bolt-type is connected on the three hole simply connected plates of above and below.Overall structure is simple, light and handy, parts are few, and simple, the easy row of operational method, required high-altitude application personnel are few, in general, the high-altitude application personnel only need a main operation person and an assistance operator to get final product, in addition, stay cord one end will be controlled by the ground handling personnel operation, cross-arm staff quantity can be further reduced like this, and simplify the working procedure that is positioned at the staff, improve operating efficiency.Therefore needed safety clearance requires also low, solved the problem that too much operating space and safety clearance can't be provided on the steel pipe pole electric force pole tower, realized the insulator string charged for replacement Job Operations to 220 kV circuit steel pipe pole cross-arms, three hole simply connected plate hanging point patterns, a series of economy, production and the powerup issue of having avoided the power failure operation to bring.
Power tool described in the utility model can further be specially:
Latch is a kind of stepped configuration, the first half diameter is greater than latter half of diameter, form an A step between the two, loop bar leading portion intracavity diameter and the latch first half diameter of guide are adaptive, and loop bar back segment inner chamber and the latter half of diameter of latch of guide are suitable, form the B step between the loop bar leading portion inner chamber of guide and the back segment inner chamber, spring member is enclosed within on latch latter half of, one end is limited in the A step, and the other end is limited in the B step, has an arc opening groove at guide loop bar back segment tail end.
Latch can be pulled back before using or after the operation, up to the operation draw ring can clamp on the arc opening groove of guide loop bar back segment tail end, at this moment, spring member is by precommpression, the front end face of latch just in time submerges in the forked members of guide side.When operation, the operation draw ring can be threaded off from the arc opening groove, under the compression stress effect of spring member, latch inserts on the pin-and-hole of fork-shaped link plate automatically.
In sum, it is a kind of based on 220kV circuit steel pipe pole charged for replacement three hole simply connected plate hanging point insulator string power tools that the utility model provides, special adopt two jigs to cooperate the frame mode of assembly pulleys, the fork-shaped link plate of bolt-type is connected on the three hole simply connected plates of above and below.Overall structure is simple, light and handy, and parts are few, solved original power tool complex structure, the problem of complex operation step, and required high-altitude application personnel are few, simplify the working procedure that is positioned at the staff, improve operating efficiency.
Description of drawings
Figure 1 shows that the structural representation of charged for replacement three hole simply connected plate hanging point suspension insulator power tools described in the utility model;
Figure 2 shows that the left view of Fig. 1;
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment
Most preferred embodiment:
The applied circuit situation of power tool of the present invention once at first is described: it is that two yoke plate 8(see shown in the accompanying drawing 1 that 220 kV transmission line steel pipe pole cross-arms, three hole simply connected templates refer at the cross-arm head), this two yoke plate is welded on the longitudinal section, cross-arm end, the insulator string assembly type can be single string assembling, also can be two string assemblings, have three groups of hanging holes on two yoke plates, the hanging hole in the middle of having only can be used for operation; And the lead side is the two-wire structure, adopts cubic yoke plate 9(to see shown in the accompanying drawing 1) connect, the centre position of yoke plate also has only a hanging hole to can be used for operation, so operation tool must be simple in structure, easy operating.
With reference to accompanying drawing 1 and accompanying drawing 2, charged for replacement three hole simply connected plate straight line insulator string power tools include card device and following card device; Last card device includes jig 1 and top sheave group 2, last jig 1 includes fork-shaped link plate 3 and inserted pins 4, the first half of fork-shaped link plate 3 is a kind of forked members 31, and Lower Half is the connecting portion 32 that has suspension ring, and this connecting portion 32 is connected with top sheave group 2 by bolt; The fork plate that forked members 31 is arranged for parallel vertical leaves pin-and-hole 33 on it.The bottom of top sheave group 2 has annulus member 5, is used for colligation operation stay cord.
Inserted pins 4 includes guide 41 and latch 42, the place ahead of guide 41 is a kind of annular disk, the top is provided with four installing holes in upper and lower, left and right, can guide be installed in one of them fork plate outside of fork-shaped link plate by bolt, the central opening of annular disk is corresponding with the pin-and-hole 33 of fork on the plate on the guide 41, the rear of guide 41 is loop bar
Following card device includes down jig 6 and downslide wheels 7, the structure of following jig is the mapping structure of last jig, i.e. symmetrical structure up and down, and the first half is the connecting portion that has suspension ring, Lower Half is a kind of forked members, specifically by reference to the accompanying drawings and referring to the above-mentioned described jig structure that goes up.The structure of downslide wheels is all consistent except annulus member 5 with the structure of top sheave group, and it is connected by the connecting portion of bolt with the following jig first half.
The work flow of above-mentioned power tool and method are participated in the utility model content part, repeat no more herein.
It is same as the prior art that the utility model is not stated part.
Claims (2)
1. charged for replacement three hole simply connected plate straight line insulator string power tools is characterized in that, include card device and following card device; Last card device includes jig and top sheave group, and last jig includes fork-shaped link plate and inserted pins, and the first half of fork-shaped link plate is a kind of forked members, and Lower Half is the connecting portion that has suspension ring, and this connecting portion is connected with the top sheave group by bolt; Forked members is the fork plate that parallel vertical is arranged, leave pin-and-hole on it, inserted pins includes guide and latch, guide is installed in one of them fork plate outside of fork-shaped link plate, opening is corresponding with the pin-and-hole of fork on the plate, latch is arranged in the guide inner chamber, and leading section is with spring member, and rearward end is provided with the operation draw ring; The bottom of top sheave group has the annulus member;
Following card device includes down jig and downslide wheels, and the structure of following jig is the mapping structure of last jig, and namely the first half is the connecting portion that has suspension ring, and Lower Half is a kind of forked members, and the downslide wheels are connected by the connecting portion of bolt with the following jig first half.
2. charged for replacement three hole simply connected plate straight line insulator string power tools according to claim 1, it is characterized in that, latch is a kind of stepped configuration, the first half diameter is greater than latter half of diameter, form an A step between the two, loop bar leading portion intracavity diameter and the latch first half diameter of guide are adaptive, loop bar back segment inner chamber and the latter half of diameter of latch of guide are suitable, form the B step between the loop bar leading portion inner chamber of guide and the back segment inner chamber, spring member is enclosed within on latch latter half of, one end is limited in the A step, and the other end is limited in the B step, has an arc opening groove at guide loop bar back segment tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320018435 CN203039294U (en) | 2013-01-14 | 2013-01-14 | Working tool for live-line replacement of three-hole single connection plate linear insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320018435 CN203039294U (en) | 2013-01-14 | 2013-01-14 | Working tool for live-line replacement of three-hole single connection plate linear insulator string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039294U true CN203039294U (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320018435 Expired - Fee Related CN203039294U (en) | 2013-01-14 | 2013-01-14 | Working tool for live-line replacement of three-hole single connection plate linear insulator string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429052A (en) * | 2015-12-22 | 2016-03-23 | 国网福建省电力有限公司泉州供电公司 | Replacing clamp, replacing apparatus and method for tension insulator |
| CN106207850A (en) * | 2016-07-25 | 2016-12-07 | 国网福建省电力有限公司 | The operational method of charged for replacement holes duplex plate linear insulator chain |
-
2013
- 2013-01-14 CN CN 201320018435 patent/CN203039294U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429052A (en) * | 2015-12-22 | 2016-03-23 | 国网福建省电力有限公司泉州供电公司 | Replacing clamp, replacing apparatus and method for tension insulator |
| CN106207850A (en) * | 2016-07-25 | 2016-12-07 | 国网福建省电力有限公司 | The operational method of charged for replacement holes duplex plate linear insulator chain |
| CN106207850B (en) * | 2016-07-25 | 2018-07-24 | 国网福建省电力有限公司 | The operational method of charged for replacement holes duplex board linear insulator chain |
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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: 20130703 Termination date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |