CN110739640B - Multi-loop vertical arrangement wire equipotential operation tipping bucket pulley - Google Patents
Multi-loop vertical arrangement wire equipotential operation tipping bucket pulley Download PDFInfo
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- CN110739640B CN110739640B CN201911246908.XA CN201911246908A CN110739640B CN 110739640 B CN110739640 B CN 110739640B CN 201911246908 A CN201911246908 A CN 201911246908A CN 110739640 B CN110739640 B CN 110739640B
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- pulley
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 210000003734 kidney Anatomy 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Forklifts And Lifting Vehicles (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a multi-loop vertical arrangement wire equipotential operation tipping bucket pulley, which comprises a body, a rod body fixedly arranged at the upper end of the body and extending upwards, a hanging ring fixedly arranged at the upper end of the rod body, a connecting lug fixedly arranged at the lower end of the body, a lower pulley rotatably arranged on the connecting lug and used for connecting an insulating rope, an upper pulley rotatably arranged at the upper part of the body, a sealing door connected with the body, and a guide plate fixedly arranged at the lower end of the sealing door, wherein the lower pulley is rotatably arranged on the connecting lug; the body is provided with a through groove, and the lower part of the body is provided with an opening communicated with the through groove and used for a lead to enter; the sealing door comprises hook bodies symmetrically positioned at two sides of the body, and the end parts of the two hook bodies are fixedly connected into a whole; the hook body comprises a transverse edge hinged with the upper part of the body, a long edge fixedly connected with one end of the transverse edge and extending towards the opening, and a short edge fixedly connected with the other end of the transverse edge and extending downwards.
Description
Technical Field
The invention relates to the technical field of power grid maintenance equipment, in particular to a special tipping bucket pulley for multi-loop vertical arrangement wire equipotential operation.
Background
In the live overhaul process of the power transmission line, the adoption of a rope ladder method to enter a strong electric field for equipotential operation is the most common method in China at present, and when equipotential operators enter the electric field through an insulating rope ladder method, the following problems exist:
1. When the insulating rope ladder head is hoisted to a working phase guide line, an operator is required to use an insulating operating rod to pick and hang a traditional tipping bucket pulley to the guide line, three to four sections of operating rods are required in the process, such as when the tipping bucket pulley is picked and hung on a 110kV line and a 220kV line, the length of the operating rod is 4.5-6m, the arm strength requirement on the operator is higher, and an insulating rope is connected to a pulley below the tipping bucket pulley, so that the operation difficulty is higher and the time consumption is longer;
2. when the traditional skip block is taken out, an operator is also required to operate by using an insulating operating rod, the time consumption of the skip block installation and taking-out process is long, and the operation is complex;
3. The traditional tipping bucket pulley door sealing mechanism is defective in design, and in the actual use and maintenance process, the door sealing spring is directly arranged on the door sealing plate and is easy to damage.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a multi-loop equipotential operation skip block capable of providing operation efficiency and reducing operation risks.
In order to solve the technical problems, the invention is realized by the following technical scheme:
A special tipping bucket pulley for multi-loop vertical arrangement wire equipotential operation comprises a body, a rod body fixedly arranged at the upper end of the body and extending upwards, a hanging ring fixedly arranged at the upper end of the rod body, a connecting lug fixedly arranged at the lower end of the body, a lower pulley rotatably arranged on the connecting lug and used for connecting an insulating rope, an upper pulley rotatably arranged at the upper part of the body, a sealing door connected with the body and a guide plate fixedly arranged at the lower end of the sealing door; the body is provided with a through groove, and the lower part of the body is provided with an opening communicated with the through groove and used for a lead to enter; the sealing door comprises hook bodies symmetrically positioned at two sides of the body, and the end parts of the two hook bodies are fixedly connected into a whole; the hook body comprises a transverse edge hinged with the upper part of the body, a long edge fixedly connected with one end of the transverse edge and extending towards the opening, and a short edge fixedly connected with the other end of the transverse edge and extending downwards; a guide rod positioned between the two hook bodies is fixedly arranged on the upper side of the opening of the body, and the guide rod extends out to one side far away from the body; the guide plate is fixedly connected to the lower end of the long side and extends obliquely downwards away from the body side; the upper pulley is rotatably arranged on the body through a rotating shaft and positioned in the through groove; the body is provided with a waist hole which is used for the rotating shaft to pass through and is vertically arranged; the rotating shaft penetrates through the kidney hole of the body and can move relative to the kidney hole; one end of the rotating shaft is fixedly connected with a pressure spring, and the other end of the pressure spring is downward and fixedly connected with the body; when the pressure spring stretches to enable the upper pulley to be located at the upper limit position, the upper pulley is in contact with the short side of the hook body, and the long side of the hook body seals the opening, so that the opening is locked; when the long side of the hook body is stressed to rotate, the short side of the hook body contacts with the upper pulley and pushes the upper pulley to move downwards, and the opening is opened; the transverse edge of the hook body is connected with the body through a pin; the guide plate is connected with the hook body through a screw; the rod body and the hanging ring are integrated.
Preferably, the body is provided with a bolt for connecting the compression spring.
Preferably, the rod body and the body are connected by welding.
Compared with the prior art, the invention has the following advantages:
1. the insulating hanging plate with the hanging hook can be hung by the unmanned aerial vehicle, the tipping bucket pulley is hung, ground potential operators on the tower are prevented from being hung by the insulating operating rod, the operation time is shortened, overhead operators on the tower are reduced, and the manpower resource investment of live working is reduced.
2. A fine insulating rope is also threaded in the hanging ring above the skip pulley, after the work is finished, when the matched lock catch is installed on the fine insulating rope to be transmitted to the insulating pulley, the lock catch is buckled on the skip pulley hanging ring, and when the insulating rope is continuously pulled, the skip pulley is driven to turn upside down by the lock catch and is separated from the guide/ground wire, so that ground potential operators on the tower are not required to take out the skip pulley;
3. the tipping bucket pulley is used for connecting the door sealing device spring with the pulley, so that the tipping bucket pulley is better adapted to the operation requirement, and the spring is prevented from being excessively stretched for a long time.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a perspective view of fig. 1.
Fig. 4 is a schematic diagram of the door closing state in fig. 1, wherein the broken line is a state that the door is opened by a force F.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention. In the following description, for clarity of presentation of the structure and operation of the present invention, description will be made with reference to the accompanying drawings by means of various directional words, but words such as "front", "rear", "left", "right", "upper", "lower" and the like should be interpreted as words of convenience and not as limiting words.
The special tipping block for equipotential operation of the multi-loop vertical arrangement lead shown in fig. 1-4 comprises a body 1, a rod body 2 fixedly arranged at the upper end of the body 1 and extending upwards, a hanging ring 3 fixedly arranged at the upper end of the rod body 2, a connecting lug 4 fixedly arranged at the lower end of the body 1, a lower pulley 5 rotatably arranged on the connecting lug 4 and used for connecting an insulating rope, an upper pulley 6 rotatably arranged at the upper part of the body 1, a sealing door connected with the body 1 and a guide plate 8 fixedly arranged at the lower end of the sealing door; the body 1 is provided with a through groove 9, and the lower part of the body 1 is provided with an opening 10 which is communicated with the through groove 9 and is used for the lead to enter; the door sealing device comprises hook bodies 11 symmetrically positioned at two sides of a body 1, and the end parts of the two hook bodies 11 are fixedly connected into a whole; the hook body 11 comprises a transverse edge 12 hinged with the upper part of the body 1, a long edge 13 fixedly connected with one end of the transverse edge 12 and extending towards the opening 10, and a short edge 14 fixedly connected with the other end of the transverse edge 12 and extending downwards; a guide rod 15 positioned between the two hook bodies 11 is fixedly arranged on the upper side of the opening 10 of the body 1, and the guide rod 15 extends to one side far away from the body 1; the guide plate 8 is fixedly connected to the lower end of the long edge 13 and extends obliquely downwards away from the side of the body 1; the upper pulley 6 is rotatably arranged on the body 1 through a rotating shaft 16 and is positioned in the through groove 9; the body 1 is provided with a vertically arranged waist hole 17 for the rotating shaft 16 to pass through; the rotating shaft 16 is arranged on the waist hole 17 of the body 1 in a penetrating way and can move relative to the waist hole 17; one end of the rotating shaft 16 is fixedly connected with a pressure spring 18, and the other end of the pressure spring 18 is downward and fixedly connected with the body 1; when the pressure spring 18 stretches to enable the upper pulley 6 to be located at the upper limit position, the upper pulley 6 is in contact with the short side 14 of the hook body 11, and enables the long side 13 of the hook body 11 to seal the opening 10, so that the opening 10 is locked; when the long side 13 of the hook 11 is forced to rotate, the short side 14 of the hook 11 contacts the upper pulley 6 and pushes the upper pulley 6 to move downward, and the opening 10 is opened.
In this embodiment, the body 1 is provided with a bolt 19 for connecting the compression spring 18, and obviously, a connection hole for connecting the compression spring may be formed. The lateral edge 12 of the hook 11 is connected to the body 1 by means of a pin 7, although it is obvious that means such as rivets can be used. The guide plate 8 is connected with the hook body 11 through a screw. The rod body 2 and the body 1 are connected by welding, and obviously, common connection modes such as threaded connection and the like can also be adopted. The rod body 2 and the hanging ring 3 are preferably integrally formed as a single piece.
When the hoist is used, the hoist is used for hoisting the guide/ground wire above the working phase guide wire by the hoist trolley through corresponding hoisting equipment (such as an unmanned aerial vehicle and the like), and an insulating rope can be wound on the lower pulley 5 to serve as hoisting before the hoist trolley ascends; then the skip block is controlled to descend downwards and the lower side of the guide plate 8 is contacted with the lead, at the moment, under the action of gravity of the skip block, the guide plate 8 drives the sealing door to rotate, and meanwhile, the short side 14 of the hook body 11 drives the upper pulley 6 to compress downwards, at the moment, the lead enters the through groove 9 along the guide plate and contacts with the upper pulley, after the lead enters the through groove 9, the guide plate 8 is not acted by external force any more, the pressure spring 18 drives the upper pulley 6 to reach the upper limit position, the long side 13 of the hook body 11 seals the opening 10, and the lifting equipment of the lifting ring 3 is removed, at the moment, the insulating rope of the lower pulley 5 can be used for corresponding lifting operation; when the skip block needs to be taken down, the lock catch arranged on the thin insulating rope in the skip block hanging ring is used again, the skip block is lifted to the position of the hanging ring 3, the hanging ring 3 is locked, the insulating string is pulled continuously to enable the skip block to be reversed, the door sealing mechanism is opened automatically, and the skip block is separated from the ground wire.
The lifting ring 3 can be also lifted by corresponding lifting equipment (such as an unmanned aerial vehicle and the like), when the wire reaches the opening 10 and contacts with the long edge 13 of the hook body 11, the hook body 11 is stressed and overturned under the action of upward tension force of the lifting equipment, at the moment, the wire automatically slides out of the opening 10, and after the wire is separated from the hook body 11 and the guide plate 8, the pressure spring 18 drives the sealing door to be closed again.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement of the technical solution or part of the technical features described in the above specific embodiments should be included in the protection scope of the present invention, which should be included in the spirit and principle of the present invention, for those skilled in the art.
Claims (3)
1. A multi-loop vertical arrangement wire equipotential operation tipping bucket pulley is characterized in that: the device comprises a body, a rod body, a hanging ring, a connecting lug, a lower pulley, an upper pulley, a door and a guide plate, wherein the rod body is fixedly arranged at the upper end of the body and extends upwards; the body is provided with a through groove, and the lower part of the body is provided with an opening communicated with the through groove and used for a lead to enter; the sealing door comprises hook bodies symmetrically positioned at two sides of the body, and the end parts of the two hook bodies are fixedly connected into a whole; the hook body comprises a transverse edge hinged with the upper part of the body, a long edge fixedly connected with one end of the transverse edge and extending towards the opening, and a short edge fixedly connected with the other end of the transverse edge and extending downwards; a guide rod positioned between the two hook bodies is fixedly arranged on the upper side of the opening of the body, and the guide rod extends out to one side far away from the body; the guide plate is fixedly connected to the lower end of the long side and extends obliquely downwards away from the body side; the upper pulley is rotatably arranged on the body through a rotating shaft and positioned in the through groove; the body is provided with a waist hole which is used for the rotating shaft to pass through and is vertically arranged; the rotating shaft penetrates through the kidney hole of the body and can move relative to the kidney hole; one end of the rotating shaft is fixedly connected with a pressure spring, and the other end of the pressure spring is downward and fixedly connected with the body; when the pressure spring stretches to enable the upper pulley to be located at the upper limit position, the upper pulley is in contact with the short side of the hook body, and the long side of the hook body seals the opening, so that the opening is locked; when the long side of the hook body is stressed to rotate, the short side of the hook body contacts with the upper pulley and pushes the upper pulley to move downwards, and the opening is opened; the transverse edge of the hook body is connected with the body through a pin; the guide plate is connected with the hook body through a screw; the rod body and the hanging ring are integrated.
2. The multi-loop, vertically aligned conductor isoelectric process dump block of claim 1 wherein: the body is provided with a bolt for connecting the pressure spring.
3. The multi-loop, vertically aligned conductor isoelectric process dump block of claim 1 wherein: the rod body is welded with the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246908.XA CN110739640B (en) | 2019-12-09 | 2019-12-09 | Multi-loop vertical arrangement wire equipotential operation tipping bucket pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246908.XA CN110739640B (en) | 2019-12-09 | 2019-12-09 | Multi-loop vertical arrangement wire equipotential operation tipping bucket pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110739640A CN110739640A (en) | 2020-01-31 |
| CN110739640B true CN110739640B (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911246908.XA Active CN110739640B (en) | 2019-12-09 | 2019-12-09 | Multi-loop vertical arrangement wire equipotential operation tipping bucket pulley |
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| Country | Link |
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| CN (1) | CN110739640B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2106474A1 (en) * | 1971-02-11 | 1972-08-24 | Paioletti, Jose, Sao Paulo (Brasilien) | Padlock |
| US4521963A (en) * | 1982-09-28 | 1985-06-11 | New Draulics, Inc. | Hydraulic cable and rod cutting and crimping device |
| US7076910B1 (en) * | 2004-05-18 | 2006-07-18 | Jorge Xifra | Flash landing and control device |
| AU2016101554A4 (en) * | 2015-09-02 | 2016-10-20 | Electrix Limited | System, method, and device for use with overhead cables |
| CN106744442A (en) * | 2017-01-22 | 2017-05-31 | 国网河南省电力公司检修公司 | Livewire work based on unmanned aerial vehicle platform somersault coaster |
| CN107394675A (en) * | 2017-09-13 | 2017-11-24 | 国网辽宁省电力有限公司鞍山供电公司 | Discharging method is hung in a kind of terrestrial operation for self-locking coaster of sealing up a door |
| CN210779824U (en) * | 2019-12-09 | 2020-06-16 | 云南电网有限责任公司昆明供电局 | Special tipping bucket pulley for equipotential operation of multi-loop vertically-arranged conducting wires |
-
2019
- 2019-12-09 CN CN201911246908.XA patent/CN110739640B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2106474A1 (en) * | 1971-02-11 | 1972-08-24 | Paioletti, Jose, Sao Paulo (Brasilien) | Padlock |
| US4521963A (en) * | 1982-09-28 | 1985-06-11 | New Draulics, Inc. | Hydraulic cable and rod cutting and crimping device |
| US7076910B1 (en) * | 2004-05-18 | 2006-07-18 | Jorge Xifra | Flash landing and control device |
| AU2016101554A4 (en) * | 2015-09-02 | 2016-10-20 | Electrix Limited | System, method, and device for use with overhead cables |
| CN106744442A (en) * | 2017-01-22 | 2017-05-31 | 国网河南省电力公司检修公司 | Livewire work based on unmanned aerial vehicle platform somersault coaster |
| CN107394675A (en) * | 2017-09-13 | 2017-11-24 | 国网辽宁省电力有限公司鞍山供电公司 | Discharging method is hung in a kind of terrestrial operation for self-locking coaster of sealing up a door |
| CN210779824U (en) * | 2019-12-09 | 2020-06-16 | 云南电网有限责任公司昆明供电局 | Special tipping bucket pulley for equipotential operation of multi-loop vertically-arranged conducting wires |
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| CN110739640A (en) | 2020-01-31 |
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