CN109921333B - Multifunctional special opening pliers for ground potential disconnecting and connecting no-load line drainage line operation - Google Patents
Multifunctional special opening pliers for ground potential disconnecting and connecting no-load line drainage line operation Download PDFInfo
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- CN109921333B CN109921333B CN201910247154.3A CN201910247154A CN109921333B CN 109921333 B CN109921333 B CN 109921333B CN 201910247154 A CN201910247154 A CN 201910247154A CN 109921333 B CN109921333 B CN 109921333B
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Abstract
The invention discloses a multifunctional special open clamp for ground potential disassembly and assembly of no-load line drainage wire operation, which comprises a clamp wall, a clamp handle, a connecting rod (3), a spring piece and a rotating shaft; the front end of the clamp wall is provided with a bulge, the center of the bulge is provided with a transverse groove and a vertical groove, the vertical groove is rectangular, the transverse groove is arranged in a connected outer rectangle and an inner semicircle, the rear end of the clamp wall is provided with a plate step, the plate step is provided with a rotating shaft hole, the clamp wall is connected in the clamp handle through the rotating shaft, and the number of the clamp walls is 2 symmetrically; the spring piece is arranged in the clamp handle and is connected with the clamp wall, and the connecting rod passes through the clamp handle spring piece for switching; the problem that no proper tool exists in the increasingly mature method for disassembling and assembling 35-110kV no-load line drainage lines at ground potential is solved.
Description
Technical Field
The invention relates to the technical field of power transmission, in particular to a multifunctional special opening clamp for ground potential disassembly and assembly of an empty line drainage line operation.
Background
At present, in a power network framework, a 35-110kV power supply network is commonly used for primary power supply of counties, villages, towns and factories, and one-line multi-T radiation type power supply is adopted, particularly, most 35kV of counties and villages is single power supply one-line multi-T power supply, one-line multi-T phenomenon exists in 110kV of urban areas, and the power supply task is heavy, so that the safe and stable operation of a power grid is seriously affected. In the past, the work of dismantling drainage lines of 35kV-110kV lines is mostly carried out in a power failure mode, the power failure area is wider, the operation range is larger, and the number of households and the line availability rate are seriously affected when the power failure occurs. In the development of live working, the working methods are not limited to ground potential, equipotential and intermediate potential methods, but various methods have limitations due to the restriction of various factors such as topography, voltage class, circuit structure and insulating materials. In 2016, the power supply bureau has successfully adopted an insulating glove method to disassemble and attach a 35kV no-load line drainage wire, but is still limited by factors such as topography, traffic and the like, and cannot be fully developed.
At present, domestic live working methods in various modes are researched and promoted, and along with the technical development of insulating materials, the live working of circuits with voltage levels of 10kV and 35kV can be carried out by adopting an insulating glove method; equipotential operation modes are also developed and matured in the voltage class range of 110kV-500kV, live working methods of direct current and alternating current circuits of 500kV and above are also developed rapidly, the live working methods are matured gradually, part of the working methods are in the front of the world, but no proper tool is used in the method of disassembling and assembling 35-110kV no-load circuit drainage wires by adopting ground potential.
Disclosure of Invention
The invention aims to provide a multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines, which solves the problem that no proper tool exists in a method for disassembling and assembling 35-110kV no-load line drainage lines at increasingly mature ground potential.
In order to solve the technical problems, the invention adopts the following technical scheme:
the multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines comprises pliers walls, pliers handles, connecting rods, spring pieces and rotating shafts; the front end of the clamp wall is provided with a bulge, the center of the bulge is provided with a transverse groove and a vertical groove, the vertical groove is rectangular, the transverse groove is arranged in a connected outer rectangle and an inner semicircle, the rear end of the clamp wall is provided with a plate step, the plate step is provided with a rotating shaft hole, the clamp wall is connected in the clamp handle through the rotating shaft, and the number of the clamp walls is 2 symmetrically; the spring piece is arranged in the clamp handle and is connected with the clamp wall, and the connecting rod passes through the clamp handle spring piece for switching.
Further, the clamp handle is provided with two vertical plates, the vertical plates are provided with rotating shaft holes, the clamp wall is connected in the rotating shaft holes in a switching mode, the steps are embedded between the two vertical plates, the vertical plates are fixedly arranged on the base, the spring piece is arranged between the base and the clamp wall and embedded between the two vertical plates, and the base is provided with holes for the connecting rods to pass through; the connecting rod passes through the base and is connected with the spring piece in a switching way.
Further, the spring piece is arranged in a triangle shape matched with the tail ends of the two clamp walls, the front end of the spring piece is provided with a convex plate, and the tail end of the spring piece is provided with a hole groove.
Further, the front end of the connecting rod is provided with an axial step matched with the hole groove, the tail end of the connecting rod is provided with a positioning table, the rear end of the positioning table is provided with a connector, and the end face of the connector is provided with a cross clamping groove.
Further, a spring groove is arranged in the rotating shaft hole of the pliers wall, and a torsion spring is arranged in the spring groove 14 and clamped on the rotating shaft and the pliers wall.
Further, holes in the base are set to be threaded holes, and the connecting rod is set to be a threaded shaft.
Further, the surface of the spring piece connected with the pliers wall is provided with a roller in a switching way.
Further, a bearing is arranged between the connecting rod and the rotating shaft.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1) The problem that no proper tool exists in the increasingly mature method for disassembling and assembling the 35-110kV no-load line drainage wire at the ground potential is solved, and the problem that the operation of disassembling and assembling the 35-110kV no-load line drainage wire can only adopt an equipotential operation mode is solved;
2) The problem that temporary lead passing is needed in the operation of disassembling and assembling the 35-110kV no-load line drainage line is solved;
3) The device has simple structure and various functions, and can realize the transverse and vertical tensioning and loosening aiming at the screw;
4) The device is used in combination with a method for disassembling and assembling 35-110kV no-load line drainage lines at the ground potential, and is convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the wall structure of the pliers of the present invention.
Fig. 3 is a schematic view of the structure of the clamp handle of the present invention.
Fig. 4 is a schematic view of a spring plate according to the present invention.
In the figure, 1-clamp wall, 2-clamp handle, 3-connecting rod, 4-spring piece, 5-rotating shaft, 11-transverse groove, 12-vertical groove, 13-bulge, 14-spring groove, 15-plate step, 21-base, 31-shaft step, 32-joint, 33-positioning table, 41-bulge plate, 42-hole groove, and,
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1:
the multifunctional special open clamp for ground potential disassembly and assembly of no-load line drainage wire operation comprises a clamp wall 1, a clamp handle 2, a connecting rod 3, a spring piece 4 and a rotating shaft 5; the clamp wall 1 is a main clamping component, the clamp handle 2 needs to be firmly fixed by hands or other equipment, the spring piece 4 is used for fastening when clamping things, and the rotating shaft 5 provides power for clamping; the clamp wall 1 is arc-shaped, the front end of the clamp wall 1 is provided with a bulge 13, the arc-shaped clamp wall is combined with the bulge to enable the clamp to be clamped and opened, the clamp wall can clamp a larger object, the bulge at the front end can clamp smaller parts such as a bolt and the like, the center of the bulge 13 is provided with a transverse groove 11 and a vertical groove 12 to adapt to the bolt, the vertical groove 12 is rectangular, the transverse groove 11 is arranged to be connected with an outer rectangle and an inner semicircle, so that the overall weight can be reduced, on the other hand, the nut can be longitudinally and transversely adapted, the rear end of the clamp wall 1 is provided with a plate step 15, the plate step 15 is inserted into the clamp handle 2 and can be conveniently positioned, the plate step 15 is provided with a rotating shaft hole, the clamp wall 1 is connected into the clamp handle 2 through a rotating shaft 5, and the clamp wall 1 is symmetrically arranged to be 2; the spring piece 4 is arranged in the clamp handle 2 and is connected with the clamp wall 1, and the connecting rod 3 passes through the clamp handle 2 and is connected with the spring piece 4 in a switching mode. In the device, the spring piece 4 is pushed upwards by the advance of the connecting rod 3 to jack up the clamp wall 1, so that the clamp wall 1 is tightened to realize clamping.
Example 2:
on the basis of the above embodiment, in this embodiment, the clamp handle 2 is provided with two vertical plates for use, a rotation shaft hole is provided on each vertical plate, the clamp wall 1 is connected in the rotation shaft hole, the step 15 is embedded between the two vertical plates for positioning, the vertical plates are fixedly arranged on the base 21, further, one vertical plate is fixedly arranged on the base 21, the other vertical plate can be connected and fastened by bolts and the like, mainly for installing each component, the spring piece 4 is arranged between the base 21 and the clamp wall 1 and embedded between the two vertical plates, and the base 21 is provided with a hole for the connecting rod 3 to pass through; the connecting rod 3 passes through the base 21 and is connected with the spring piece 4 in an adapting way to the embodiment 3:
on the basis of the above embodiment, in this embodiment, the spring piece 4 is configured as a triangle shape adapted to the ends of the two pincer walls 1, the front end of the spring piece 4 is provided with the protruding plate 41, the end is provided with the hole groove 42, when the pincer walls 1 are tensioned, the spring piece 4 moves forward, because the bottom of the pincer walls 1 is stretched when the spring piece 4 is configured as a triangle shape, thereby tensioning the spring piece, and the protruding plate 41 is configured to prevent the bottom end of the pincer walls 1 from being inserted into the side end to fail after the spring piece 4 and the pincer walls 1 are loosened.
Example 4:
on the basis of the above embodiment, the front end of the connecting rod 3 is provided with the shaft step 31 adapted to the hole groove 42, the shaft step 31 is mainly used for facilitating the positioning of the connecting rod 3 and the hole groove 42, the tail end of the shaft step is provided with the positioning table 33, the positioning table 33 is used for facilitating the positioning of the connecting rod 3 and the clamp handle 2, the rear end of the positioning table 33 is provided with the connector 32, the end face of the connector 32 is provided with the cross clamping groove, and the connector 32 is conveniently connected with other power parts.
Example 5:
on the basis of the above embodiment, in this embodiment, in order to make the jaw wall 1 have pretension when being released, a spring groove 14 is provided in the pivot hole of the jaw wall 1, and a torsion spring is provided in the spring groove 14 and is clamped on the pivot 5 and the jaw wall 1, so that after the spring piece 4 is released, the jaw wall 1 releases the jaw wall 1 under the action of the torsion spring.
Example 6:
on the basis of the above embodiment, in this embodiment, in order to enable the spring piece 4 to tighten the clamp wall 1, the hole on the base 21 is set to be a threaded hole, the connecting rod 3 is set to be a threaded shaft, the setting of the threaded shaft mainly prevents loosening after tightening, and further, in order to increase the convenience of exerting force during tightening.
Example 7:
on the basis of the above embodiment, in this embodiment, the surface of the spring plate 4, which is in contact with the jaw wall 1, is provided with rollers in a switching manner to reduce friction between the spring plate 4 and the jaw wall 1.
Example 8:
on the basis of the above embodiment, in this embodiment, a bearing is provided between the connecting rod 3 and the rotating shaft 5 to reduce friction.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a ground potential tear open and take many purpose-made opening pincers of no-load line drainage line operation, its characterized in that: comprises a clamp wall (1), a clamp handle (2), a connecting rod (3), a spring piece (4) and a rotating shaft (5); the novel pliers are characterized in that the pliers wall (1) is arc-shaped, a bulge (13) is arranged at the front end of the pliers wall (1), a transverse groove (11) and a vertical groove (12) are arranged at the center of the bulge (13), the vertical groove (12) is rectangular, the transverse groove (11) is arranged to be connected with an outer rectangle and an inner semicircle, a plate step (15) is arranged at the rear end of the pliers wall (1), rotating shaft holes are formed in the plate step (15), the pliers wall (1) is connected in the pliers handle (2) through the rotating shaft (5), and the pliers wall (1) is symmetrically arranged to be 2; the spring piece (4) is arranged in the clamp handle (2) and is connected with the clamp wall (1), the connecting rod (3) passes through the clamp handle (2) and is connected with the spring piece (4), the clamp handle (2) is provided with two vertical plates, the vertical plates are provided with rotating shaft holes, the clamp wall (1) is connected in the rotating shaft holes, the step (15) is embedded between the two vertical plates, the vertical plates are fixedly arranged on the base (21), the spring piece (4) is arranged between the base (21) and the clamp wall (1) and is embedded between the two vertical plates, and the base (21) is provided with holes for the connecting rod (3) to pass through; the connecting rod (3) passes through the base (21) and is connected with the spring leaf (4), connecting rod (3) front end be provided with the axle step (31) of hole groove (42) looks adaptation, the end sets up location platform (33), location platform (33) rear end is provided with joint (32), the terminal surface of joint (32) is provided with cross draw-in groove.
2. The multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines according to claim 1, wherein: the spring piece (4) is arranged in a triangle shape which is matched with the tail ends of the two clamp walls (1), the front end of the spring piece is provided with a convex plate (41), and the tail end of the spring piece is provided with a hole groove (42).
3. The multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines according to claim 1, wherein: a spring groove (14) is arranged in the rotating shaft hole of the clamp wall (1), and a torsion spring is arranged in the spring groove 14 and is clamped on the rotating shaft (5) and the clamp wall (1).
4. The multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines according to claim 1, wherein: the holes on the base (21) are set as threaded holes, and the connecting rod (3) is set as a threaded shaft.
5. The multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines according to claim 1, wherein: the surface of the spring piece (4) connected with the clamp wall (1) is provided with a roller in a switching way.
6. The multifunctional special opening pliers for ground potential disassembly and assembly of no-load line drainage lines according to claim 1, wherein: a bearing is arranged between the connecting rod (3) and the rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247154.3A CN109921333B (en) | 2019-03-29 | 2019-03-29 | Multifunctional special opening pliers for ground potential disconnecting and connecting no-load line drainage line operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247154.3A CN109921333B (en) | 2019-03-29 | 2019-03-29 | Multifunctional special opening pliers for ground potential disconnecting and connecting no-load line drainage line operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109921333A CN109921333A (en) | 2019-06-21 |
| CN109921333B true CN109921333B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910247154.3A Active CN109921333B (en) | 2019-03-29 | 2019-03-29 | Multifunctional special opening pliers for ground potential disconnecting and connecting no-load line drainage line operation |
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| Country | Link |
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| CN (1) | CN109921333B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839344B (en) * | 2021-09-10 | 2023-03-10 | 国网山东省电力公司枣庄供电公司 | Insulating drainage wire fixing device |
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|---|---|---|---|---|
| CN102593738A (en) * | 2012-03-26 | 2012-07-18 | 邯郸供电公司 | Multifunctional pincers special for sleeve conductive screw |
| JP2013212546A (en) * | 2012-03-31 | 2013-10-17 | Tsunoda:Kk | Chain clip plier |
| CN203650290U (en) * | 2013-04-08 | 2014-06-18 | 王玮 | Multifunctional tool caliper |
| JP2016046983A (en) * | 2014-08-26 | 2016-04-04 | 東北電力株式会社 | Gripping tool |
| JP2017019093A (en) * | 2015-07-13 | 2017-01-26 | メリディアン インターナショナル カンパニー リミテッド | Plier |
| CN207971853U (en) * | 2018-03-30 | 2018-10-16 | 北京市燃气集团有限责任公司 | A kind of multifunctional pliers |
| CN209375015U (en) * | 2019-03-29 | 2019-09-10 | 云南电网有限责任公司昆明供电局 | Ground potential, which is torn open, takes the multi-functional special open mouth tongs of nonloaded line drainage thread operation |
-
2019
- 2019-03-29 CN CN201910247154.3A patent/CN109921333B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593738A (en) * | 2012-03-26 | 2012-07-18 | 邯郸供电公司 | Multifunctional pincers special for sleeve conductive screw |
| JP2013212546A (en) * | 2012-03-31 | 2013-10-17 | Tsunoda:Kk | Chain clip plier |
| CN203650290U (en) * | 2013-04-08 | 2014-06-18 | 王玮 | Multifunctional tool caliper |
| JP2016046983A (en) * | 2014-08-26 | 2016-04-04 | 東北電力株式会社 | Gripping tool |
| JP2017019093A (en) * | 2015-07-13 | 2017-01-26 | メリディアン インターナショナル カンパニー リミテッド | Plier |
| CN207971853U (en) * | 2018-03-30 | 2018-10-16 | 北京市燃气集团有限责任公司 | A kind of multifunctional pliers |
| CN209375015U (en) * | 2019-03-29 | 2019-09-10 | 云南电网有限责任公司昆明供电局 | Ground potential, which is torn open, takes the multi-functional special open mouth tongs of nonloaded line drainage thread operation |
Non-Patent Citations (1)
| Title |
|---|
| 地电位断接110kV及以下耐张引流线工具的研制;杨霄;杨健;宫衍平;焦彦俊;陈祥睿;;电子技术与软件工程(第22期);234 * |
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| CN109921333A (en) | 2019-06-21 |
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