CN204205407U - Far-end operation changes the device of two division circuit two strings of strain insulators - Google Patents
Far-end operation changes the device of two division circuit two strings of strain insulators Download PDFInfo
- Publication number
- CN204205407U CN204205407U CN201420547504.0U CN201420547504U CN204205407U CN 204205407 U CN204205407 U CN 204205407U CN 201420547504 U CN201420547504 U CN 201420547504U CN 204205407 U CN204205407 U CN 204205407U
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- China
- Prior art keywords
- rod
- arm
- adjusting screw
- jig
- conductor wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000012211 strain insulator Substances 0.000 title claims abstract description 16
- 239000012212 insulator Substances 0.000 claims abstract description 33
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 239000000725 suspension Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- Insulators (AREA)
- Electric Cable Installation (AREA)
Abstract
The utility model discloses the device that a kind of far-end operation changes two division circuit two strings of strain insulators, comprise bottle-holding rack, conductor wire end jig, cross-arm-end jig, arm-tie and adjusting screw(rod), one end of arm-tie connects cross-arm-end jig, other end connection conductor wire end jig by adjusting screw(rod).The cross-arm-end of bottle-holding rack is connected with cross-arm-end jig, and conductor wire end is connected with insulating cord.Cross-arm-end jig and conductor wire end jig are fixed with the triangle yoke plate of respective end and cubic yoke plate respectively, and adjusting screw(rod) regulates the rate of tension of arm-tie.When dismantling old insulator string, on bar, operating personnel tightens up adjusting screw(rod), the active force of conductor wire end is made to be transferred on jig, Ground Operation personnel tighten up insulating cord, insulating cord walks around the below that the hook block be mounted on cubic yoke plate will make bottle-holding rack be fixed on insulator string, on bar, the connector at insulator string two ends is removed and is made it drop down onto on bottle-holding rack by operating personnel, loosens insulating cord and bottle-holding rack is rotated to vertical, then removed by insulator string.
Description
Technical field
The utility model relates to a kind of 220kV two division circuit, is specifically related to the device that a kind of far-end operation changes two division circuit two strings of strain insulators.
Background technology
Along with the development of national economy, more and more higher to electricity needs, 220kV two division circuit gets more and more.The tension-resistant rod of 220kV two division circuit adopts two string glass insulator mostly.The method of current replacing strain insulator string mainly adopts equal potential working method, and namely operating personnel must enter that conducting line segment is installed, operation jig, but cannot enter current potential and the difficult problem that can not carry out operation because spatial limitation exists equal potential working personnel.
Utility model content
The purpose of this utility model is to provide a kind of in the operation of cross-arm shaft side, and safety, quick far-end operation change the device of two division circuit two strings of strain insulators.
The utility model discloses the device that a kind of far-end operation changes two division circuit two strings of strain insulators, comprise bottle-holding rack, conductor wire end jig, cross-arm-end jig, arm-tie and adjusting screw(rod), one end of arm-tie connects cross-arm-end jig, other end connection conductor wire end jig by adjusting screw(rod), and bottle-holding rack is connected to the downside of insulator string.
Described adjusting screw(rod) outer wall offers groove vertically.
Described cross-arm-end jig comprises deck and is connected on deck anti-ly turns round cover, deck comprises U-shaped clamp and is connected to the riser of its end face length direction both sides, riser offers U-shaped groove along its length, anti-cover of turning round comprises hexangle type nut sleeve outer wall anti-parallel with being vertically connected at one group and turns round post, prevent turning round the U-shaped groove that post is arranged in corresponding side, the shoulder hole that the axial centre of hexangle type nut sleeve has aperture not wait, the screwed hole of small-bore Duan Weiyu adjusting screw(rod) coupling, its hole wall has the raised line corresponding with adjusting screw(rod) upper groove vertically; The outside of U-shaped clamp is connected with the connecting plate along its baseplate width direction.
Insert with the raised line in hexangle type nut sleeve between described hexangle type nut sleeve and adjusting screw(rod) in the groove on adjusting screw(rod) and assemble, the other end of adjusting screw(rod) is connected with rocking handle through after described hexangle type nut sleeve.
Described arm-tie comprises two pieces to clamping plate and the adjustable plate between being sandwiched in clamping plate, all connecting hole is furnished with along its length on clamping plate and adjustable plate, one end of adjustable plate is stretched between clamping plate, it is fastening with it by the bolt through connecting hole, be connected with described adjusting screw(rod) the other end of clamping plate, one end of adjusting screw(rod) is stretched into fastening with it by the bolt through connecting hole between clamping plate.
Described conductor wire end jig comprises the U-shaped chuck be connected with described adjustable plate and the m type suspension member being connected to its outer end, adjustable plate stretches in U-shaped chuck, it stretches into the inner bolt passed through through U-shaped chuck sidewall and connects, one sidewalls orthogonal of U-shaped chuck open end offers internal thread hole, the outer end of screwed hole is connected with screw rod, the interior stomidium of screw rod is embedded with spring, and the outer end of spring is connected with the steel ball stretched in U-type groove; The outer end of U-shaped chuck is dull and stereotyped, and be attached thereto in the upper side bayonet slot that this flat board is connected to m type suspension member, the lower side bayonet slot of m type suspension member is connected with side of wire yoke plate; The upside of m type suspension member is connected with operation ring.
Described bottle-holding rack comprises along the parallel supporting bracket of insulator string length direction two pieces and the C type supporting plate that is connected between two supporting brackets, and the cross-arm-end of two supporting brackets is connected with pull bar, pull bar is connected with vertically connecting screw rod upward.
Described connecting plate has the hole passed for described connecting screw rod, connecting screw rod is located by fastening nuts through behind this hole.
The conductor wire end of described bottle-holding rack is connected with insulating cord, and insulating cord is by fixing bottle-holding rack after hook block, and the hook of hook block is mounted on the cubic yoke plate of insulator string conductor wire end.
Operation principle of the present utility model is as follows: the cross-arm-end jig at arm-tie two ends and conductor wire end jig are fixed with the triangle yoke plate of cross-arm-end and the cubic yoke plate of conductor wire end respectively, adjusting screw(rod) and cross-arm-end jig anti-is turned round to overlap to be connected to coordinate by raised line and groove and anti-ly turns round the rotation driving arm-tie when post can prevent adjusting screw(rod) from rotating, by tightening up the rate of tension of adjusting screw(rod) and adjustable arm-tie.The cross-arm-end of bottle-holding rack is fixed by the connecting plate outside screw rod and cross-arm-end jig, and conductor wire end is fixed on the below of insulator string by hook block and insulating cord.
When changing insulator string, tighten up adjusting screw(rod), make the active force of conductor wire end be transferred on jig; Tightening up insulating cord makes bottle-holding rack be fixed on the downside of insulator string, is then removed by the connector at insulator string two ends; Loosen insulating cord, insulator string is fallen within bottle-holding rack and down rotates until move to ground after vertical along with bottle-holding rack.When installing new insulator string, step is contrary.
The utility model is cooperatively interacted by shaft operating personnel and Ground Operation personnel's, and operating personnel all takes earth potential indirect operation to change insulator, solves the two insulator string of double bundle conductor and adopts equipotential can not carry out a difficult problem for indirect operating.Make the replacement operation of insulator string all at shaft end, away from insulator string, achieve safety, efficiently object.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that A in Fig. 1 is to schematic diagram.
Fig. 3 is the schematic top plan view of adjusting screw(rod) in Fig. 1.
Fig. 4 is that in Fig. 1, structure for amplifying schematic diagram is looked on the anti-left side turning round cover.
Fig. 5 is that the deck master of cross-arm-end jig in Fig. 1 looks enlarged diagram.
Fig. 6 is that the master of the m type suspension member of conductor wire end jig in Fig. 1 looks enlarged diagram.
Fig. 7 is that the master of the U-shaped chuck of conductor wire end jig in Fig. 1 looks enlarged diagram.
Fig. 8 is the schematic top plan view of Fig. 7.
Embodiment
As shown in Figures 1 to 8, the utility model discloses the device that a kind of far-end operation changes two division circuit two strings of strain insulators, comprise bottle-holding rack 10, conductor wire end jig 20, cross-arm-end jig 30, arm-tie 40 and adjusting screw(rod) 50.One end of arm-tie 40 connects cross-arm-end jig 30, other end connection conductor wire end jig 20 by adjusting screw(rod) 50, and bottle-holding rack 0 is connected to the downside of insulator string.
Arm-tie 40 comprises two pieces to clamping plate 41 and the adjustable plate 42 between being sandwiched in clamping plate 41.All connecting hole is furnished with along its length on clamping plate 41 and adjustable plate 42, one end of adjustable plate 42 is stretched into fastening with it by the bolt through connecting hole between clamping plate 41, be connected with adjusting screw(rod) 50 other end of clamping plate 41, one end of adjusting screw(rod) 50 is stretched into fastening with it by the bolt through connecting hole between clamping plate 41.The outer wall of adjusting screw(rod) 50 offers groove 51 vertically.
What cross-arm-end jig 30 comprised deck 31 and was connected on deck 31 anti-ly turns round cover 32.Deck 31 comprises U-shaped clamp 311 and is connected to the riser 312 of its end face length direction both sides, riser 312 offers along its length U-shaped groove 313.Anti-cover 32 of turning round comprises hexangle type sleeve pipe 321 outer wall anti-parallel with being vertically connected at one group and turns round post 322.Anti-turn round the U-shaped groove 313 that post 322 is arranged in corresponding side, the shoulder hole that the axial centre of hexangle type sleeve pipe 321 has aperture not wait, the screwed hole of small-bore Duan Weiyu adjusting screw(rod) 50 coupling, its hole wall has the raised line 323 corresponding with adjusting screw(rod) upper groove vertically.The outside of U-shaped clamp 311 is connected with the connecting plate 33 along its baseplate width direction.The other end of adjusting screw(rod) 50 is connected with rocking handle 34 through after hexangle type sleeve pipe 321.
Conductor wire end jig 20 comprises the U-shaped chuck 21 be connected with adjustable plate 42 and the m type being connected to its outer end links up with 22, adjustable plate 42 stretches in U-shaped chuck 21, it stretches into the inner bolt passed through through U-shaped chuck 21 sidewall and connects, one sidewalls orthogonal of U-shaped chuck 21 open end offers internal thread hole, its outer end is connected with screw rod 211, the interior stomidium of screw rod 211 is embedded with spring 212, and the outer end of spring 212 is connected with the steel ball 213 stretched in U-type groove.The outer end of U-shaped chuck 21 is dull and stereotyped 214, and be attached thereto in the upper side bayonet slot that this flat board is connected to m type hook, the lower side bayonet slot of m type hook is connected with side of wire yoke plate.The upside of m type hook 22 is connected with operation ring 70.
Bottle-holding rack 10 comprises and is connected with pull bar 13 along the parallel supporting bracket 11 of insulator string length direction two pieces and the cross-arm-end of C type supporting plate 12, two supporting bracket 11 that is connected between two supporting brackets 11, pull bar 13 is connected with vertically connecting screw rod 14 upward.Connecting plate 33 has the hole passed for connecting screw rod 14, connecting screw rod 14 is located by fastening nuts through behind this hole.
The conductor wire end of bottle-holding rack 10 is connected with insulating cord 80, and bottle-holding rack 1 is fixed by hook block is after 90s by insulating cord 80, and the hook of hook block 80 is mounted on the cubic yoke plate of insulator string conductor wire end.
Installation process is as follows: being connected with adjusting screw(rod) clamping plate end of arm-tie, adjustable plate end are connected with the U-shaped chuck of conductor wire end jig, then the m type of U-shaped chuck rear end is hung on the cubic yoke plate of conductor wire end, preformed hole on the U-shaped clamp of cross-arm-end jig and cross-arm-end triangle yoke plate is fixed, will prevent that turning round cover is connected on adjusting screw(rod).Being fixed with the connecting plate outside U-shaped clamp by the cross-arm-end screw rod of bottle-holding rack, conductor wire end is connected with pulley by insulating cord, hangs down in the lower end of insulating cord.
When the structure of the embedded steel ball of U-shaped chuck sidewall, spring can ensure that the m type hook of conductor wire end jig is connected with cubic yoke plate, angled between the inwall of U-shaped chuck and adjustable plate, be convenient to the stability of raising operation, after m type hook completes with cubic yoke plate connection, steel ball by lateral pull, to snap in arm-tie in preformed hole by adjustable plate.
In order to the replacing making this device can be suitable for the insulator string of different length, the length direction of arm-tie is furnished with some connecting holes.
When changing insulator string, tighten up adjusting screw(rod), make the active force of conductor wire end be transferred on jig; Tightening up insulating cord makes bottle-holding rack be fixed on the downside of insulator string, is then removed by the connector at insulator string two ends; Loosen insulating cord, insulator string is fallen within bottle-holding rack and down rotates until move to ground after vertical along with bottle-holding rack.When installing new insulator string, step is contrary.
By cooperatively interacting of shaft operating personnel and Ground Operation personnel, operating personnel all takes earth potential indirect operation to change insulator, makes the replacement operation of insulator string all at shaft end, away from insulator string, safe and efficient.
Claims (8)
1. a far-end operation changes two device dividing circuit two strings of strain insulators, it is characterized in that: this device comprises bottle-holding rack, conductor wire end jig, cross-arm-end jig, arm-tie and adjusting screw(rod), one end of arm-tie connects cross-arm-end jig, other end connection conductor wire end jig by adjusting screw(rod), and bottle-holding rack is connected to the downside of insulator string.
2. far-end operation as claimed in claim 1 changes the device of two division circuit two strings of strain insulators, it is characterized in that: described adjusting screw(rod) outer wall offers groove vertically.
3. far-end operation as claimed in claim 2 changes the device of two division circuit two strings of strain insulators, it is characterized in that: described cross-arm-end jig comprises deck and is connected on deck anti-ly turns round cover, deck comprises U-shaped clamp and is connected to the riser of its end face length direction both sides, riser offers U-shaped groove along its length, anti-cover of turning round comprises hexangle type nut sleeve outer wall anti-parallel with being vertically connected at one group and turns round post, prevent turning round the U-shaped groove that post is arranged in corresponding side, the shoulder hole that the axial centre of hexangle type nut sleeve has aperture not wait, the screwed hole of small-bore Duan Weiyu adjusting screw(rod) coupling, its hole wall has the raised line corresponding with adjusting screw(rod) upper groove vertically.
4. far-end operation as claimed in claim 3 changes the device of two division circuit two strings of strain insulators, it is characterized in that: insert with the raised line in hexangle type nut sleeve between described hexangle type nut sleeve and adjusting screw(rod) in the groove on adjusting screw(rod) and assemble, the other end of adjusting screw(rod) is connected with rocking handle through after described hexangle type nut sleeve.
5. far-end operation as claimed in claim 1 changes the device of two division circuit two strings of strain insulators, it is characterized in that: described arm-tie comprises two pieces to clamping plate and the adjustable plate between being sandwiched in clamping plate, all connecting hole is furnished with along its length on clamping plate and adjustable plate, one end of adjustable plate is stretched between clamping plate, it is fastening with it by the bolt through connecting hole, be connected with described adjusting screw(rod) the other end of clamping plate, one end of adjusting screw(rod) is stretched into fastening with it by the bolt through connecting hole between clamping plate.
6. far-end operation as claimed in claim 5 changes the device of two division circuit two strings of strain insulators, it is characterized in that: described conductor wire end jig comprises the U-shaped chuck be connected with described adjustable plate and the m type suspension member being connected to its outer end, adjustable plate stretches in U-shaped chuck, it stretches into the inner bolt passed through through U-shaped chuck sidewall and connects, one sidewalls orthogonal of U-shaped chuck open end offers internal thread hole, the outer end of screwed hole is connected with screw rod, the interior stomidium of screw rod is embedded with spring, and the outer end of spring is connected with the steel ball stretched in U-type groove; The outer end of U-shaped chuck is dull and stereotyped, and be attached thereto in the upper side bayonet slot that this flat board is connected to m type suspension member, the lower side bayonet slot of m type suspension member is connected with side of wire yoke plate; The upside of m type suspension member is connected with operation ring.
7. far-end operation as claimed in claim 3 changes the device of two division circuit two strings of strain insulators, it is characterized in that: described bottle-holding rack comprises along the parallel supporting bracket of insulator string length direction two pieces and the C type supporting plate that is connected between two supporting brackets, the cross-arm-end of two supporting brackets is connected with pull bar, pull bar is connected with vertical connecting screw rod upward; The outside of described U-shaped clamp is connected with the connecting plate along its baseplate width direction; Connecting plate has the hole passed for described connecting screw rod, connecting screw rod is located by fastening nuts through behind this hole.
8. far-end operation as claimed in claim 6 changes the device of two division circuit two strings of strain insulators, it is characterized in that: the conductor wire end of described bottle-holding rack is connected with insulating cord, insulating cord is by fixing bottle-holding rack after hook block, and the hook of hook block is mounted on the cubic yoke plate of insulator string conductor wire end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547504.0U CN204205407U (en) | 2014-09-23 | 2014-09-23 | Far-end operation changes the device of two division circuit two strings of strain insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547504.0U CN204205407U (en) | 2014-09-23 | 2014-09-23 | Far-end operation changes the device of two division circuit two strings of strain insulators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205407U true CN204205407U (en) | 2015-03-11 |
Family
ID=52663327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547504.0U Withdrawn - After Issue CN204205407U (en) | 2014-09-23 | 2014-09-23 | Far-end operation changes the device of two division circuit two strings of strain insulators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204205407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201614A (en) * | 2014-09-23 | 2014-12-10 | 国家电网公司 | Method and device for replacing double-string strain insulators in twin bundled lines by remote operations |
-
2014
- 2014-09-23 CN CN201420547504.0U patent/CN204205407U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201614A (en) * | 2014-09-23 | 2014-12-10 | 国家电网公司 | Method and device for replacing double-string strain insulators in twin bundled lines by remote operations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiaqing Inventor after: Zou Dehua Inventor after: Niu Jie Inventor after: Yang Miao Inventor after: Liu Tuocheng Inventor after: Zhang Jianjun Inventor after: Li Hui Inventor after: Lei Dongyun Inventor after: Wu Liuxin Inventor before: Liu Xiaqing Inventor before: Zou Dehua Inventor before: Niu Jie Inventor before: Liu Tuocheng Inventor before: Zhang Jianjun Inventor before: Wu Liuxin Inventor before: Li Hui Inventor before: Lei Dongyun |
|
| COR | Change of bibliographic data | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |