CN211456473U - Extra-high voltage direct current linear duplex V string end insulator replacement tool - Google Patents
Extra-high voltage direct current linear duplex V string end insulator replacement tool Download PDFInfo
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- CN211456473U CN211456473U CN201922147255.1U CN201922147255U CN211456473U CN 211456473 U CN211456473 U CN 211456473U CN 201922147255 U CN201922147255 U CN 201922147255U CN 211456473 U CN211456473 U CN 211456473U
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- 239000012212 insulator Substances 0.000 title claims abstract description 39
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses an extra-high voltage direct current linear duplex V string end insulator replacing tool, which comprises a large knife clip, a rotary clip and a wire tightening mechanism; the wire grip mechanism comprises a closed clamp and a pair of linear wire grips; the middle parts of the large knife clip and the rotary clip are connected through a rotary shaft; the two linear wire tighteners are respectively arranged at two sides of the rotating clamp, the bottom ends of the two linear wire tighteners are connected with the closed clamp, and the top ends of the two linear wire tighteners are connected with the rotating clamp; when the insulator is replaced, one end of the large cutter clamp is connected with the right-angle hanging plate, the closed clamp is connected with the insulator, and the insulator can be replaced by the linear tightener in an unloading mode. The relative angle of big sword card and rotation card can be adjusted in the change process to the convenient position of adjusting linear turn-buckle to suitable operation further improves the convenient degree of operation. Through the utility model discloses an application can be to the special high voltage direct current straight line pair V string end insulator in the damaged insulator change alone, reduced the work load, improved work efficiency, reduced the consumption of manpower and materials, improved economic benefits.
Description
Technical Field
The utility model belongs to the technical field of the insulator change instrument, especially, relate to an extra-high voltage direct current straight line pair V string tip insulator change instrument.
Background
With the rapid development of the ultrahigh voltage construction industry in China, the number of insulators of the linear duplex V-string structure is more and more. In the operation and maintenance process, the end insulator is self-exploded or is damaged due to the fact that an accessory installation is installed, but at present, a suitable tool is not used for replacing the insulator, the replacement of the end damaged insulator can be carried out only after the whole string of insulators is put down, the whole replacement process is large in workload, the process is complex, the working efficiency is low, a large amount of manpower and material resources are consumed, and the economic benefit is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a change instrument that damaged insulator was changed alone in can carrying out special high voltage direct current straight line pair V cluster tip insulator.
The utility model provides an extra-high voltage direct current straight line duplex V string end insulator replacing tool, which comprises a large knife clip, a rotary clip and a wire tightening mechanism; the wire grip mechanism comprises a closed clamp and a pair of linear wire grips; the middle parts of the large knife clip and the rotary clip are connected through a rotary shaft; the two linear wire tighteners are respectively arranged at two sides of the rotating clamp, the bottom ends of the two linear wire tighteners are connected with the closed clamp, and the top ends of the two linear wire tighteners are connected with the rotating clamp; when the insulator is replaced, one end of the large cutter clamp is connected with the right-angle hanging plate, the closed clamp is connected with the insulator, and the insulator can be replaced by the linear tightener in an unloading mode.
In a specific embodiment, straight line turn-buckle includes lead screw, bearing frame and handle, and the bearing frame is connected outside the lead screw, and the handle rigid coupling is outside the bearing frame, straight line turn-buckle through set up in the adapter of lead screw bottom with the closed card links to each other, through the bearing frame with rotatory card links to each other.
Preferably, a circular hole for connecting the rotating shaft is formed in the middle of the side plate of the large knife clip.
Further, the rotating card is a whole piece; the two ends of the U-shaped opening are provided with U-shaped openings, the middle part of the U-shaped opening is provided with a rotating sleeve, one end of the rotating sleeve is closed, the side wall of the rotating sleeve is provided with a radial hole, a transition plate is arranged between the positioning sleeve and the U-shaped opening, and the side wall of the U-shaped opening is provided with a positioning hole.
The rotating shaft comprises a large knife clamp connector and a rotating clamp connector; the side wall of the large knife card connector is provided with a threaded hole, and the large knife card connector is arranged between the two side plates and is fastened through a bolt which penetrates through the round hole and is screwed into the threaded hole; the rotary clamp connector is a cylindrical head and is provided with a shaft shoulder, the rotary clamp connector extends into the rotary sleeve, and the bolt is screwed into the radial hole and extends to the shaft shoulder to be hung.
In order to reduce the dead weight and ensure the strength, the materials of the large knife clip and the rotating clip are both titanium alloy.
The utility model discloses when using, link to each other the one end of big sword card with the right angle link plate, utilize the triangle yoke plate as the fulcrum, embrace the closed card outside damaged insulator, tighten up the transfer that the straight line turn-buckle accomplished the load afterwards, can take out alone to change the insulator and change the reserve insulator. The relative angle of big sword card and rotation card can be adjusted in the change process to the convenient position of adjusting linear turn-buckle to suitable operation further improves the convenient degree of operation. Through the utility model discloses an application can be to the special high voltage direct current straight line pair V string end insulator in the damaged insulator change alone, reduced the work load, improved work efficiency, reduced the consumption of manpower and materials, improved economic benefits.
Drawings
Fig. 1 is a schematic view of a preferred embodiment of the present invention in use.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a schematic enlarged top view of the rotating card in the preferred embodiment.
Fig. 4 is a front enlarged view of the rotating shaft in the preferred embodiment.
Fig. 5 is a schematic view of the connection between the rotating card and the large knife card in the preferred embodiment.
Sequence numbers of the drawings:
1-big knife clip, 11-side plate, 12-lining plate;
2-rotating clamp, 21-U-shaped opening, 22-positioning hole, 23-rotating sleeve, 24-radial hole and 25-transition plate;
3-a wire-tightening mechanism, wherein,
31-a closed type card, wherein,
32-linear tightener, 321-screw rod, 322-bearing seat, 323-handle;
4-rotating shaft, 41-big knife card connector, 42-rotating card connector;
5-triangular connecting plates; 6-right angle hanging plate.
Detailed Description
As shown in fig. 1 and fig. 2, the tool for replacing an end insulator of an extra-high voltage direct-current linear duplex V-string disclosed in this embodiment includes a large knife block 1, a rotary block 2, and a wire tensioning mechanism 3.
The large knife clip 1 is made of titanium alloy so as to reduce the dead weight while ensuring the strength, and comprises a side plate 11 and a bolt which connects the two side plates into a whole, an inner lining plate 12 is arranged between the two side plates, one side of the side plate is in a hook shape, and the middle part of the side plate is provided with a round hole.
As shown in fig. 3, the rotating card 2 is a titanium alloy integral piece; the two ends of the positioning device are provided with U-shaped openings 21, and positioning holes 22 are arranged on the side walls; the middle part of the rotary sleeve is provided with a rotary sleeve 23, one end of the rotary sleeve is closed, and the side wall of the rotary sleeve is provided with a radial hole 24; a transition plate 25 is arranged between the positioning sleeve and the U-shaped opening. When the rotary card 2 is installed, the rotary card 1 is connected with the large knife card 2 through the rotating shaft 4.
As shown in fig. 4, one end of the rotating shaft 4 is a large blade card connector 41, and the other end is a rotating card connector 42; as shown in fig. 5, a threaded hole is formed in the side wall of the large knife card connector, and the large knife card connector is arranged between the two side plates and fastened through a bolt which penetrates through the round hole and is screwed into the threaded hole; the rotary clamp connector is a cylindrical head and is provided with a shaft shoulder, the rotary clamp connector extends into the rotary sleeve, and the bolt is screwed into the radial hole and extends to the shaft shoulder to be hung.
The wire tightening mechanism 3 comprises a closed clamp 31 and a pair of linear wire tighteners 32; the linear tightener 32 comprises a screw 321, a bearing seat 322 and a handle 323, the bearing seat is connected outside the screw, the handle is fixedly connected outside the bearing seat, and the linear tightener is connected with the closed clamp through an adapter arranged at the bottom end of the screw and connected with the rotating clamp through the bearing seat; the bearing seat is clamped into the U-shaped opening and is fastened through a bolt penetrating through the positioning hole; a pair of linear turnbuckles 32 are provided on both sides of the closed clamp symmetrically with respect to the rotation axis 4.
When the tool is put into use, an operator carries the tool to reach a construction site, and after the tool reaches an operation point, the triangular yoke plate 5 is utilized as a fulcrum, a stress point is selected on the yoke plate, the structural characteristics of the yoke plate are combined, through a lever principle, one end of the large cutter clamp is ingeniously connected with the right-angle hanging plate 6 to bear force, the slope of the yoke plate is used as the fulcrum in the middle of the large cutter clamp, the other end of the large cutter clamp transfers the load stress of the insulator through the lead screw and the rotating clamp, the stress of the large cutter clamp reaches balance, and the insulator and the hardware fitting at the end part of the linear duplex V-shaped string can be replaced after the load of the lead screw is.
After the utility model is put into use, the insulator to be replaced can be taken out and replaced with the spare insulator, and the damaged insulator in the insulator at the end part of the extra-high voltage direct current linear duplex V-string can be replaced independently; and the relative angle of big sword card and rotation card can be adjusted at the change in-process to the convenient position of adjusting linear turn-buckle to suitable operation, further improves the convenient degree of operation. The working amount is reduced, the working efficiency is improved, the consumption of manpower and material resources is reduced, and the economic benefit is improved.
Claims (3)
1. The utility model provides an extra-high voltage direct current straight line pair V cluster tip insulator change instrument which characterized in that: the device comprises a large knife clamp, a rotary clamp and a wire tightening mechanism; the wire grip mechanism comprises a closed clamp and a pair of linear wire grips; the middle parts of the large knife clip and the rotary clip are connected through a rotary shaft; the two linear wire tighteners are respectively arranged at two sides of the rotating clamp, the bottom ends of the two linear wire tighteners are connected with the closed clamp, and the top ends of the two linear wire tighteners are connected with the rotating clamp; when the insulator is replaced, one end of the large cutter clamp is connected with the right-angle hanging plate, the closed clamp is connected with the insulator, and the insulator can be replaced by unloading through the linear tightener; the middle part of the side plate of the large knife clip is provided with a round hole for connecting the rotating shaft; the rotating card is an integral piece; the two ends of the rotary sleeve are provided with U-shaped openings, the middle part of the rotary sleeve is provided with a rotary sleeve, one end of the rotary sleeve is closed, the side wall of the rotary sleeve is provided with a radial hole, a transition plate is arranged between the positioning sleeve and the U-shaped openings, and the side wall of the U-shaped openings is provided with positioning holes; the rotating shaft comprises a large knife card connector and a rotating card connector; the side wall of the large knife card connector is provided with a threaded hole, and the large knife card connector is arranged between the two side plates and is fastened through a bolt which penetrates through the round hole and is screwed into the threaded hole; the rotary clamp connector is a cylindrical head and is provided with a shaft shoulder, the rotary clamp connector extends into the rotary sleeve, and the bolt is screwed into the radial hole and extends to the shaft shoulder to be hung.
2. The tool for replacing the insulator at the end part of the extra-high voltage direct current linear duplex V-shaped string as claimed in claim 1, wherein: the straight line turn-buckle includes lead screw, bearing frame and handle, and the bearing frame is connected outside the lead screw, and the handle rigid coupling is outside the bearing frame, straight line turn-buckle through set up in the adapter of lead screw bottom with the closed card links to each other, through the bearing frame with rotatory card links to each other.
3. The tool for replacing the insulator at the end part of the extra-high voltage direct current linear duplex V-shaped string as claimed in claim 1, wherein: the large knife clip and the rotary clip are made of titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147255.1U CN211456473U (en) | 2019-12-04 | 2019-12-04 | Extra-high voltage direct current linear duplex V string end insulator replacement tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147255.1U CN211456473U (en) | 2019-12-04 | 2019-12-04 | Extra-high voltage direct current linear duplex V string end insulator replacement tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456473U true CN211456473U (en) | 2020-09-08 |
Family
ID=72300679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147255.1U Active CN211456473U (en) | 2019-12-04 | 2019-12-04 | Extra-high voltage direct current linear duplex V string end insulator replacement tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456473U (en) |
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2019
- 2019-12-04 CN CN201922147255.1U patent/CN211456473U/en active Active
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