CN218498682U - Lifting support insulation device for connecting wires during extra-high voltage alternating current-direct current insulation test - Google Patents
Lifting support insulation device for connecting wires during extra-high voltage alternating current-direct current insulation test Download PDFInfo
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- CN218498682U CN218498682U CN202222744427.5U CN202222744427U CN218498682U CN 218498682 U CN218498682 U CN 218498682U CN 202222744427 U CN202222744427 U CN 202222744427U CN 218498682 U CN218498682 U CN 218498682U
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Abstract
The utility model relates to a lifting support insulation device for connecting wires during an extra-high voltage alternating current and direct current insulation test, which is used for supporting the connecting wires during the extra-high voltage test and comprises a base, a lifting rod with the bottom arranged on the base, a bracket arranged at the top of the lifting rod and used for supporting the connecting wires and a driving mechanism which is connected with the lifting rod and used for driving the lifting rod to stretch and retract so as to realize the lifting of the bracket; the driving mechanism comprises a power unit and a rope type transmission unit connected with the power unit and the lifting rod. The utility model discloses can be in extra-high voltage test safety, effectively support connecting wire, strengthen its anti-wind ability, avoid connecting wire to rock with the wind, and then the guarantee is experimental to go on smoothly.
Description
Technical Field
The utility model relates to an electrical test equipment field, concretely relates to connecting wire is with insulating dress of lift support during special high voltage alternating current-direct current insulation test.
Background
In an extra-high voltage test, the span of a connecting wire between devices is large and high, the wind resistance is poor, and unstable factors can be brought to the test when the swing of the connecting wire is variable. Therefore, at the mid-span position of the connecting wire, it needs to be supported to increase its stability. But no means for this function is present in the prior art.
Disclosure of Invention
The utility model aims at providing a can carry out insulation support to the wire in extra-high voltage test to increase wire anti-wind ability, and then the extra-high voltage alternating current-direct current insulation test time that the guarantee experiment goes on the connecting wire is with lift support insulation dress.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a lifting support insulation device for connecting wires in an extra-high voltage alternating current-direct current insulation test is used for supporting the connecting wires in the extra-high voltage test, and comprises a base, a lifting rod, a bracket and a driving mechanism, wherein the bottom of the lifting rod is arranged on the base, the bracket is arranged at the top of the lifting rod and used for supporting the connecting wires, and the driving mechanism is connected with the lifting rod and used for driving the lifting rod to stretch and retract so as to realize lifting of the bracket; the driving mechanism comprises a power unit and a rope type transmission unit connected with the power unit and the lifting rod.
The lifting rod comprises at least two sleeved rod monomers.
When the lifting rod comprises two rod monomers which are sequentially numbered from outside to inside, the rope type transmission unit comprises an active rope, a group of first active fixed pulleys/first active rope penetrating holes which are arranged on the first rod monomer, and a group of second active fixed pulleys/second active rope penetrating holes which are arranged on the second rod monomer, wherein the active rope is output by the power unit and is fixed at a fixed point on the first rod monomer after passing through the first active fixed pulleys/first active rope penetrating holes and the second active fixed pulleys/second active rope penetrating holes;
when the lifting rod comprises n rod monomers which are sequentially numbered from outside to inside, n is an integer larger than 2, the rope type transmission unit comprises a driving rope, n-2 driven ropes, a group of first driving fixed pulleys/first driving rope penetrating holes, a group of second driving fixed pulleys/second driving rope penetrating holes, n-2 groups of first driven fixed pulleys/first driven rope penetrating holes and n-2 groups of second driven fixed pulleys/second driven rope penetrating holes; a group of first driving fixed pulley/first driving rope threading holes are formed in the first section of the rod single body, a group of second driving fixed pulley/second driving rope threading holes are formed in the second section of the rod single body, and the driving rope is output by the power unit and is fixed to a fixing point on the first section of the rod single body after passing through the first driving fixed pulley/first driving rope threading holes and the second driving fixed pulley/second driving rope threading holes; n-2 groups of first driven fixed pulleys/first driven rope penetrating holes are respectively arranged on the rod monomers from the 2 nd section to the n-1 th section, n-2 groups of second driven fixed pulleys/second driven rope penetrating holes are respectively arranged on the rod monomers from the n-3 rd section to the n th section, two ends of the m driven ropes are fixed on the rod monomers from the m section, the m driven ropes are wound on the first driven fixed pulleys/first driven rope penetrating holes on the rod monomers from the m +1 th section and the second driven fixed pulleys/second driven rope penetrating holes on the rod monomers from the m +2 th section, and m =1,2, 8230, n-2.
The second driving fixed pulley/second driving rope-threading hole is arranged at the bottom of the second section of the rod monomer.
The first driving fixed pulley/the first driving rope-threading hole and the fixing point are respectively positioned at two opposite sides of the first section of the rod single body.
The second driven fixed pulley/second driven rope penetrating hole is formed in the bottom of the rod monomer from the (n-3) th section to the (n) th section.
Each group of the first driven fixed pulley/first driven rope threading holes comprises two first driven fixed pulley/first driven rope threading holes which are respectively arranged at two opposite sides of the rod single body.
The power unit comprises a hand-operated wheel and a rope winder for winding the active rope.
The bracket is provided with a groove, and the shape of the inner groove wall of the groove is matched with the shape of the connecting wire.
The base includes the cross and props, set up in a plurality of gyro wheels of cross bracing bottom, the lifter is installed the center that the cross propped.
Because of the application of the technical scheme, compared with the prior art, the utility model has the advantages of it is following: the utility model discloses can be in the special high voltage test safety, effectively support connecting wire, strengthen its anti-wind ability, avoid connecting wire to rock with the wind, and then the guarantee test goes on smoothly.
Drawings
FIG. 1 is the utility model discloses a lifter and bracket's structural section view during special high voltage alternating current-direct current insulation test with lift support insulation dress for connecting wire.
Fig. 2 is the utility model discloses a actuating mechanism's principle sketch in the insulating dress of lifting support for connecting wire during extra-high voltage alternating current-direct current insulation test.
In the above drawings: 1. a lifting rod; 2. a bracket; 3. a drive mechanism; 4. a rod unit; 5. a power unit; 6. a rope-type transmission unit; 7. an active rope; 8. a driven rope; 9. a first driving fixed pulley/a first driving rope threading hole; 10. a second driving fixed pulley/a second driving rope threading hole; 11. a first driven fixed pulley/first driven stringing hole; 12. a second driven fixed pulley/a second driven reeving hole; 13. and (5) clamping a hoop.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
The first embodiment is as follows: as shown in attached figures 1 and 2, the lifting support insulation device for the connecting wire in the extra-high voltage alternating current and direct current insulation test comprises a base, a lifting rod 1 which is vertically arranged and the bottom of the lifting rod is arranged on the base, a bracket 2 arranged at the top of the lifting rod 1 and a driving mechanism 3. The bracket 2 is used for supporting a connecting wire, and the driving mechanism 3 is used for driving the lifting rod 1 to extend and retract so as to realize the lifting of the bracket 2.
The base includes that the cross props, sets up in a plurality of gyro wheels of cross prop bottom, and lifter 1 installs the center at the cross prop. The whole device can be driven to conveniently move to a required position through the roller.
The lifting rod 1 comprises at least two sleeved rod single bodies 4. The bracket 2 is provided with a groove, and the shape of the inner groove wall of the groove is matched with the shape of the connecting wire. In this embodiment, the bracket 2 is arc-shaped and formed with an arc-shaped groove.
The drive mechanism 3 comprises a power unit 5, a rope-type transmission unit 6 connected with the power unit 5 and the lifting rod 1.
When the lifting rod 1 comprises two rod monomers 4 which are numbered in sequence from outside to inside, the rope type transmission unit 6 comprises an active rope 7, a group of first active fixed pulley/first active rope penetrating hole 9 arranged on the first rod monomer 4, and a group of second active fixed pulley/second active rope penetrating hole 10 arranged on the second rod monomer 4, wherein the active rope 7 is output by the power unit 5 and is fixed at a fixed point on the first rod monomer 4 after passing through the first active fixed pulley/first active rope penetrating hole 9 and the second active fixed pulley/second active rope penetrating hole 10.
When the lifting rod 1 comprises n (n is a whole number larger than 2) rod monomers 4 which are numbered in sequence from outside to inside, the rope type transmission unit 6 comprises a driving rope 7, n-2 driven ropes 8, a group of first driving fixed pulleys/first driving rope penetrating holes 9, a group of second driving fixed pulleys/second driving rope penetrating holes 10, n-2 groups of first driven fixed pulleys/first driven rope penetrating holes 11 and n-2 groups of second driven fixed pulleys/second driven rope penetrating holes 12; a group of first driving fixed pulleys/first driving rope-penetrating holes 9 are arranged on the first section rod single body 4, a group of second driving fixed pulleys/second driving rope-penetrating holes 10 are arranged on the second section rod single body 4, and driving ropes 7 are output by the power unit 5 and fixed at fixing points on the first section rod single body 4 after passing through the first driving fixed pulleys/first driving rope-penetrating holes 9 and the second driving fixed pulleys/second driving rope-penetrating holes 10; n-2 groups of first driven fixed pulleys/first driven rope penetrating holes 11 are respectively arranged on the 2 nd to n-1 st section rod monomers 4, n-2 groups of second driven fixed pulleys/second driven rope penetrating holes 12 are respectively arranged on the n-3 rd to n th section rod monomers 4, two ends of the m (m =1,2, \8230;, n-2) driven ropes 8 are fixed on the m section rod monomers 4, and the m driven ropes 8 are wound on the first driven fixed pulleys/first driven rope penetrating holes 11 on the m +1 th section rod monomers 4 and the second driven fixed pulleys/second driven rope penetrating holes 12 on the m +2 th section rod monomers 4.
A clip 13 or the like may be provided on the lever unit 4 to fix the ends of the active rope 7 and the passive rope 8. Each of the driven ropes 8 is provided at a different orientation in the circumferential direction of the lifter 1.
In the above scheme of the rope type transmission unit 6, the second driving fixed pulley/second driving rope threading hole 10 is disposed at the bottom of the second rod unit 4. The first driving fixed pulley/first driving rope-threading hole 9 and the fixed point are respectively positioned at two opposite sides of the first section rod single body 4. The second driven fixed pulley/second driven rope-threading hole 12 is arranged at the bottom of the section n-3 to the section n rod single body 4. Each set of the first driven fixed pulley/first driven reeving hole 11 includes two first driven fixed pulley/first driven reeving holes 11 respectively disposed at opposite sides of the lever unit 4.
The power unit 5 comprises a hand-operated wheel and a rope winder for winding the active rope 7.
When the hand wheel is rotated manually, the driving rope 7 is shortened and drives the second section rod monomer 4 to ascend relative to the first section rod monomer 4 through the first driving fixed pulley/first driving rope-threading hole 9 and the second driving fixed pulley/second driving rope-threading hole 10, and when the second section rod monomer 4 ascends, the third section rod monomer 4 is driven to ascend relative to the second section rod monomer 4 through the corresponding first driven rope 8 and the first driven fixed pulley/first driven rope-threading hole 11 thereon and the second driven fixed pulley/second driven rope-threading hole 12 on the third section rod monomer 4. By analogy, the extension of the lifting rod 1 is realized. The lifting rod 1 can be shortened by reversely shaking the hand-operated wheel.
In this embodiment, the lifting rod 1 is provided with five rod units 4, and the diameter of each rod unit 4 is gradually reduced from outside to inside. The bracket 2 is mounted on the upper end of the uppermost rod unit 4, i.e., the rod unit 4 having the smallest diameter, when the lifting rod 1 is extended.
The device is used for supporting the connecting wire in an extra-high voltage test. When carrying out extra-high voltage test, remove the device and wait to lift connecting wire below, rotate hand round, lifter 1 stretches out and bracket 2 rises, notices simultaneously that the adjusting device position makes it aim at connecting wire. When the bracket 2 is lifted to a proper height, the connecting wire can be held. And the power unit 5 can be automatically locked by loosening the hand-operated wheel. After the test is finished, the hand-operated wheel is rotated reversely, and the lifting rod 1 slowly descends under the action of the gravity of the lifting rod until the lowest position is reached.
The device can support the middle position of the connecting wire, enhances the wind resistance, and has simple structure, safety and reliability.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a connecting wire is with lift support insulating device during extra-high voltage alternating current-direct current insulation test for support connecting wire in extra-high voltage test, its characterized in that: the lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test comprises a base, a lifting rod, a bracket and a driving mechanism, wherein the bottom of the lifting rod is arranged on the base, the bracket is arranged at the top of the lifting rod and used for supporting the connecting wire, and the driving mechanism is connected with the lifting rod and used for driving the lifting rod to stretch and retract so as to realize lifting of the bracket; the driving mechanism comprises a power unit and a rope type transmission unit connected with the power unit and the lifting rod.
2. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 1 is characterized in that: the lifting rod comprises at least two sleeved rod monomers.
3. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 2 is characterized in that: when the lifting rod comprises two rod monomers which are numbered from outside to inside in sequence, the rope type transmission unit comprises an active rope, a group of first active fixed pulleys/first active rope penetrating holes arranged on the first rod monomer, and a group of second active fixed pulleys/second active rope penetrating holes arranged on the second rod monomer, wherein the active rope is output by the power unit and fixed at a fixed point on the first rod monomer through the first active fixed pulleys/first active rope penetrating holes and the second active fixed pulleys/second active rope penetrating holes;
when the lifting rod comprises n rod monomers which are numbered sequentially from outside to inside, n is an integer larger than 2, the rope type transmission unit comprises a driving rope, n-2 driven ropes, a group of first driving fixed pulleys/first driving rope penetrating holes, a group of second driving fixed pulleys/second driving rope penetrating holes, n-2 groups of first driven fixed pulleys/first driven rope penetrating holes and n-2 groups of second driven fixed pulleys/second driven rope penetrating holes; a group of first driving fixed pulley/first driving rope penetrating hole is arranged on the first section of the rod single body, a group of second driving fixed pulley/second driving rope penetrating hole is arranged on the second section of the rod single body, and the driving rope is output by the power unit and fixed at a fixed point on the first section of the rod single body after passing through the first driving fixed pulley/first driving rope penetrating hole and the second driving fixed pulley/second driving rope penetrating hole; n-2 groups of first driven fixed pulleys/first driven rope penetrating holes are respectively arranged on the rod single bodies from the 2 nd section to the n-1 th section, n-2 groups of second driven fixed pulleys/second driven rope penetrating holes are respectively arranged on the rod single bodies from the n-3 rd section to the n th section, two ends of the mth driven rope are fixed on the rod single body from the mth section, the mth driven rope is wound on the first driven fixed pulleys/first driven rope penetrating holes on the rod single body from the m +1 th section and the second driven fixed pulleys/second driven rope penetrating holes on the rod single bodies from the m +2 th section, and m =1,2, 8230, n-2.
4. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 3 is characterized in that: the second driving fixed pulley/second driving rope-threading hole is arranged at the bottom of the second section of the rod monomer.
5. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 3 is characterized in that: the first driving fixed pulley/the first driving rope-threading hole and the fixing point are respectively positioned at two opposite sides of the first section of the rod monomer.
6. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 3 is characterized in that: the second driven fixed pulley/second driven rope penetrating hole is formed in the bottom of the rod monomer from the (n-3) th section to the (n) th section.
7. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 3 is characterized in that: each group of the first driven fixed pulley/first driven rope threading holes comprises two first driven fixed pulley/first driven rope threading holes which are respectively arranged at two opposite sides of the rod single body.
8. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 3 is characterized in that: the power unit comprises a hand-operated wheel and a rope winder for winding the active rope.
9. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 1 is characterized in that: the bracket is provided with a groove, and the shape of the inner groove wall of the groove is matched with the shape of the connecting wire.
10. The lifting support insulation device for the connecting wire during the extra-high voltage alternating current-direct current insulation test according to claim 1 is characterized in that: the base includes the cross and props, set up in a plurality of gyro wheels of cross prop bottom, the lifter is installed the center that the cross propped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222744427.5U CN218498682U (en) | 2022-10-19 | 2022-10-19 | Lifting support insulation device for connecting wires during extra-high voltage alternating current-direct current insulation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222744427.5U CN218498682U (en) | 2022-10-19 | 2022-10-19 | Lifting support insulation device for connecting wires during extra-high voltage alternating current-direct current insulation test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498682U true CN218498682U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222744427.5U Active CN218498682U (en) | 2022-10-19 | 2022-10-19 | Lifting support insulation device for connecting wires during extra-high voltage alternating current-direct current insulation test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498682U (en) |
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2022
- 2022-10-19 CN CN202222744427.5U patent/CN218498682U/en active Active
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