CN116345350A - Insulator replacement device for power distribution network - Google Patents
Insulator replacement device for power distribution network Download PDFInfo
- Publication number
- CN116345350A CN116345350A CN202310248091.XA CN202310248091A CN116345350A CN 116345350 A CN116345350 A CN 116345350A CN 202310248091 A CN202310248091 A CN 202310248091A CN 116345350 A CN116345350 A CN 116345350A
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- rotating
- tightener
- distribution network
- power distribution
- replacement device
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- 239000012212 insulator Substances 0.000 title claims abstract description 36
- 230000009191 jumping Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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
Abstract
The invention discloses a power distribution network insulator replacement device which comprises an insulating telescopic rod, a wire tightener, a sleeve seat, an insulating hook and a draw hook, wherein the wire tightener is fixedly arranged on the sleeve seat, the sleeve seat is rotationally sleeved on the insulating telescopic rod, and the insulating hook is rotationally arranged at the end part of the insulating telescopic rod; the drag hook is connected with the tightener; the wire tightener is provided with a mounting component for being connected with the pole cross arm; by adopting the technical scheme, the safety of carrying out uninterrupted operation on a 10kV line is greatly improved, and the personal safety of operators is ensured; the labor intensity is reduced, the working efficiency is improved, the live working developing range is widened, the power failure time and the power failure times are reduced, the safe and stable operation of the circuit and the power supply reliability are improved, and a lot of time is saved for working.
Description
Technical Field
The invention relates to the technical field of insulator replacement, in particular to a power distribution network insulator replacement device.
Background
The tension insulator of the power distribution network is a conventional maintenance defect eliminating operation project, the conventional tension insulator replacement process uses a wire tightening tool which needs frequent potential conversion, is not suitable for uninterrupted operation, and is not suitable for load transfer of a wire and taking and hanging operations of the replaced tension insulator in the process of replacing the tension insulator. The potential safety hazard exists in operation project operation to cause that the operation cannot be widely carried out, so that the design of the insulator replacement device is urgent, operation and use of power distribution network maintenance operators are facilitated, labor intensity of field operators is reduced, working efficiency is improved, operation safety is ensured, and the requirement on equipment maintenance and defect elimination on a power distribution network pole is met.
Disclosure of Invention
The invention aims to solve the problems by providing a power distribution network insulator replacement device aiming at the defects in the technology.
The invention provides a power distribution network insulator replacement device which comprises an insulating telescopic rod, a wire tightener, a sleeve seat, an insulating hook and a draw hook, wherein the wire tightener is fixedly arranged on the sleeve seat; the drag hook is connected with the tightener; the tightener is provided with a mounting component for being connected with the pole cross arm. The drag hook is provided with an elastic tongue piece for preventing the lead from falling off; the tightener is a belt tightener.
Further, a positive and negative rotation mechanism is arranged on the tightener and is connected with a reel of the tightener; the forward and reverse rotation mechanism is fixedly connected with a rotating handle. The positive and negative rotation mechanism comprises a rotation tooth, a rotating shaft, a swinging piece and a jumping tooth, wherein the rotation tooth is connected with the end part of the scroll; the rotating teeth are provided with first grooves, the rotating shaft is rotationally arranged in the first grooves through bearings, and the rotating handle is connected to the end part of the rotating shaft; the pivot tip protrusion is equipped with the hinge piece, and the swinging member articulates on the hinge piece, and the tip of swinging member is located to the tooth that beats, and the tooth that beats is rotated through the rotation of turning handle reverse promotion tooth that changes.
Further, a groove is arranged in the sleeve seat, an arc-shaped jacket is arranged in the groove, a screw rod is arranged on the arc-shaped jacket, and the screw rod penetrates through the sleeve seat to be connected with the nut; the nut is provided with a rotating handle in a protruding way. The arc-shaped jacket is provided with a limiting protrusion, a limiting groove is formed in the jacket seat, and the limiting protrusion is located in the limiting groove.
Further, the device also comprises a forward rotating ratchet wheel and a reverse rotating ratchet wheel, wherein the forward rotating ratchet wheel is coaxially connected with the rotating teeth and is positioned on one surface of the tightener, and the reverse rotating ratchet wheel is connected with the end part of the reel and is positioned on the other surface of the tightener. The wire tightener is characterized by further comprising a forward rotating pawl matched with the forward rotating ratchet wheel and a reverse rotating pawl matched with the reverse rotating pawl, wherein the forward rotating pawl and the reverse rotating pawl are connected through a linkage rod, a plurality of limiting sleeves are arranged on the outer wall of the wire tightener, and the linkage rod is slidably arranged in the limiting sleeves. The axial along the pole on the gangbar is equipped with the bar groove, has cup jointed the torsional spring on the gangbar, and the one end of torsional spring is located the bar inslot, and the other end of torsional spring is fixed in on the stop collar terminal surface. The first locking block pushes the linkage rod to enter the second groove by pressing the positive rotation pawl; the second locking block pushes the linkage rod into the third groove by pressing the reversing pawl.
Compared with the prior art, the method has the following beneficial effects:
the invention provides a power distribution network insulator replacement device which comprises an insulating telescopic rod, a wire tightener, a sleeve seat, an insulating hook and a drag hook, by adopting the technical scheme, the safety of carrying out uninterrupted operation on a 10kV line is greatly improved, and the personal safety of operators is ensured; the labor intensity is reduced, the working efficiency is improved, the live working developing range is widened, the power failure time and the power failure times are reduced, the safe and stable operation of the circuit and the power supply reliability are improved, and a lot of time is saved for working.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present 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 diagram of a power distribution network insulator replacement apparatus according to the present invention;
FIG. 2 is an axial view of a power distribution network insulator replacement apparatus according to the present invention;
fig. 3 is a schematic diagram of an embodiment 2 of an insulator replacement apparatus for a power distribution network according to the present invention;
FIG. 4 is a schematic view of the interior of the tightener of the present invention;
FIG. 5 is a schematic view of the interior of the tightener of the present invention;
FIG. 6 is a schematic view of a socket according to the present invention;
FIG. 7 is an enlarged partial schematic view of the invention A;
fig. 8 is a schematic diagram of an embodiment 3 of an insulator replacement apparatus for a power distribution network according to the present invention;
fig. 9 is an axial view of an embodiment 3 of an insulator replacement apparatus for a power distribution network according to the present invention;
FIG. 10 is an enlarged partial schematic view of the present invention B;
fig. 11 is a partially enlarged schematic view of the present invention C.
In the figure, a 1-insulating telescopic rod; 2-tightener; 3-a sleeve seat; 4-an insulating hook; 5-drag hook; 6-mounting a component; 7-a reel; 8-turning handles; 9-elastic tongue piece; 10-an insulating tape; 21-turning teeth; 22-rotating shaft; 23-swinging member; 24-jumping teeth; 25-a first groove; 26-hinging blocks; 31-a circular groove; 32-arc-shaped jackets; 33-screw; 34-nut; 35-limiting protrusions; 41-positive rotation ratchet wheel; 42-reversing the ratchet; 43-positive rotation pawl; 44-reversing the pawl; 45-linkage rod; 46-limiting sleeve; 47-bar grooves; 48-torsion spring; 51-a first locking block; 52-a second locking block; 53-a second groove; 54-third groove.
Detailed Description
For a better understanding of the present invention, its construction, and the functional features and advantages attained by the same, reference should be made to the accompanying drawings in which:
example 1:
as shown in fig. 1 and 2, the invention provides a power distribution network insulator replacement device, which comprises an insulation telescopic rod 1, a wire tightener 2, a sleeve seat 3, an insulation hook 4 and a draw hook 5, wherein the wire tightener 2 is fixedly arranged on the sleeve seat 3, the sleeve seat 3 is rotationally sleeved on the insulation telescopic rod 1, and the insulation hook 4 is rotationally arranged at the end part of the insulation telescopic rod 1; the drag hook 5 is connected with the tightener 2; the tightener 2 is provided with a mounting part 6 for being connected with the cross arm of the electric pole, and the mounting part 6 is a groove-shaped structural part so as to be conveniently inserted and sleeved on the cross arm of the L-shaped steel; the mounting part 6 may also be an L-shaped structure, which mounts the exchange device on the cross arm by means of a pre-tightening bolt. The tightener 2 is provided with a ratchet wheel, and a rotating handle 8 is fixedly connected to the ratchet wheel. The tightener 2 is a belt tightener 2, and the insulating belt 10 tightener 2 is used for load transfer of the tension insulator. The problem of wire load transfer in the indirect operation process is solved. A wire-winding shaft is arranged in the tightener 2 and is coaxially connected with the ratchet wheel. The draw hook 5 is provided with an elastic tongue piece 9 for preventing the wire from falling off so as to prevent the draw hook 5 from falling off the wire.
Working principle: install distribution network insulator change device in the cross arm side through installation component 6, couple end on the 10 turnbuckle of insulating tape 2 is through blocking the wire, and insulating telescopic link 1's one end is connected and is used for hooking insulator steel cap through insulating hook 4, and insulating telescopic link 1 is through the adjustable position of cover seat 3, and insulating telescopic link 1 holds insulating hook 4 in the support of insulator steel cap, and tightening pretension bolt makes its tip compress tightly with insulating telescopic link 1 butt, can change the insulator vase after receiving and releasing turnbuckle 2 to shift the load of wire to the insulator.
Example 2:
as shown in fig. 3 to 7, in combination with the technical solution of embodiment 1, in this embodiment, a forward and reverse rotation mechanism is disposed on the wire stretcher 2, and the forward and reverse rotation mechanism is connected with a reel 7 of the wire stretcher 2; the forward and reverse rotation mechanism is fixedly connected with a rotating handle 8. The positive and negative rotation mechanism comprises a rotating tooth 21, a rotating shaft 22, a swinging piece 23 and a jumping tooth 24, wherein the rotating tooth 21 is connected with the end part of the scroll 7; the rotating teeth 21 are provided with first grooves 25, the rotating shaft 22 is rotatably arranged in the first grooves 25 through bearings, and the rotating handle 8 is connected to the end part of the rotating shaft 22; the end of the rotating shaft 22 is convexly provided with a hinging block 26, the swinging piece 23 is hinged on the hinging block 26, the jumping teeth 24 are arranged at the end of the swinging piece 23, and the jumping teeth 24 reversely push the rotating teeth 21 to rotate through the rotation of the rotating handle 8. By arranging the forward and reverse rotation mechanism, when the swinging piece 23 is rotationally regulated to the other side of the rotating handle 8, the jumping teeth 24 jumping forward between the rotating teeth 21 when the rotating handle 8 rotates forward, and the jumping teeth 24 pushing the rotating teeth 21 to rotate to drive the reel 7 to rotate when the rotating handle 8 rotates reversely; when the swinging member 23 is rotatably adjusted to the same side of the rotating handle 8, the jumping teeth 24 jumping forward between the rotating teeth 21 when the rotating handle 8 is reversed, and the jumping teeth 24 push the rotating teeth 21 to rotate to drive the reel 7 to rotate when the rotating handle 8 is rotated forward. By adopting the technical scheme, an operator can rotate the rotating handle 8 at a small angle to enable the wire tightener 2 to carry out winding and unwinding operations, and can rotate at a small angle in the forward direction and the reverse direction to carry out winding and unwinding of the insulating tape 10, so that the flexibility of operation is effectively improved, and the replacement efficiency of insulators is further improved.
Specifically, a groove is formed in the sleeve seat 3, an arc-shaped jacket 32 is arranged in the groove, a screw 33 is arranged on the arc-shaped jacket 32, and the screw 33 penetrates through the sleeve seat 3 to be connected with a nut 34; the nut 34 is provided with a knob protruding therefrom. The arc-shaped jacket 32 is provided with a limiting protrusion 35, the jacket seat 3 is internally provided with a limiting groove, and the limiting protrusion 35 is positioned in the limiting groove.
Example 3:
as shown in fig. 8 to 11, in combination with the technical solution of embodiment 2, the present embodiment further includes a forward rotation ratchet 41 and a reverse rotation ratchet 42, where the forward rotation ratchet 41 is coaxially connected with the rotation teeth 21 and located on one side of the tightener 2, and the reverse rotation ratchet 42 is connected with the end of the reel 7 and located on the other side of the tightener 2. The wire tightener further comprises a forward rotating pawl 43 matched with the forward rotating ratchet wheel 41 and a reverse rotating pawl 44 matched with the reverse rotating pawl 44, the forward rotating pawl 43 and the reverse rotating pawl 44 are connected through a linkage rod 45, a plurality of limiting sleeves 46 are arranged on the outer wall of the wire tightener 2, and the linkage rod 45 is slidably arranged in the limiting sleeves 46. The linkage rod 45 is provided with a bar-shaped groove 47 along the axial direction of the rod, the linkage rod 45 is sleeved with a torsion spring 48, one end of the torsion spring 48 is positioned in the bar-shaped groove 47, and the other end of the torsion spring 48 is fixed on the end face of the limit sleeve 46. The linkage rod 45 is provided with a first locking block 51 and a second locking block 52, the outer wall of the tightener 2 is provided with a second groove 53 and a third groove 54, and the first locking block 51 pushes the linkage rod 45 into the second groove 53 by pressing the forward rotating pawl 43; the second locking block 52 pushes the linkage rod 45 into the third groove 54 by pressing the reverse rotation pawl 44, so that the switching of the first locking block and the second locking block is realized by arranging the second groove 53 and the third groove 54 to abut against the outer wall of the tightener 2, and the forward rotation pawl 43 and the reverse rotation pawl 44 can be restrained in the reverse direction.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present invention fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a distribution network insulator replacement device which is characterized in that, including insulating telescopic link (1), turn-buckle (2), cover seat (3), insulating hook (4) and drag hook (5), turn-buckle (2) are fixed to be located on cover seat (3), cover seat (3) rotate to overlap on insulating telescopic link (1), insulating hook (4) rotate to be located the tip of insulating telescopic link (1); the drag hook (5) is connected with the tightener (2); the tightener (2) is provided with a mounting component (6) used for being connected with the pole cross arm.
2. The power distribution network insulator replacement device according to claim 1, wherein the wire stretcher (2) is provided with a forward and reverse rotation mechanism, and the forward and reverse rotation mechanism is connected with a reel (7) of the wire stretcher (2); the forward and reverse rotation mechanism is fixedly connected with a rotating handle (8).
3. The power distribution network insulator replacement device according to claim 2, characterized in that the counter-rotating mechanism comprises rotating teeth (21), a rotating shaft (22), a swinging member (23) and jumping teeth (24), wherein the rotating teeth (21) are connected with the end of the reel (7); the rotating teeth (21) are provided with first grooves (25), the rotating shaft (22) is rotatably arranged in the first grooves (25) through bearings, and the rotating handle (8) is connected to the end part of the rotating shaft (22); the end part of the rotating shaft (22) is provided with a hinging block (26) in a protruding mode, the swinging piece (23) is hinged to the hinging block (26), the jumping teeth (24) are arranged at the end part of the swinging piece (23), and the jumping teeth (24) reversely push the rotating teeth (21) to rotate through rotation of the rotating handle (8).
4. The power distribution network insulator replacement device according to claim 1, wherein a circular groove (31) is formed in the sleeve seat (3), an arc-shaped jacket (32) is arranged in the circular groove (31), a screw (33) is arranged on the arc-shaped jacket (32), and the screw (33) penetrates through the sleeve seat (3) to be connected with a nut (34); a rotating handle is arranged on the nut (34) in a protruding mode.
5. The power distribution network insulator replacement device according to claim 4, wherein the arc-shaped jacket (32) is provided with a limiting protrusion (35), the sleeve seat (3) is internally provided with a limiting groove, and the limiting protrusion (35) is positioned in the limiting groove.
6. A distribution network insulator changing apparatus according to claim 3, further comprising a forward rotation ratchet wheel (41) and a reverse rotation ratchet wheel (42), wherein the forward rotation ratchet wheel (41) is coaxially connected with the rotation teeth (21) and located on one face of the wire tightener (2), and the reverse rotation ratchet wheel (42) is connected with the end of the reel (7) and located on the other face of the wire tightener (2).
7. The power distribution network insulator replacement device according to claim 6, further comprising a forward rotating pawl (43) matched with the forward rotating ratchet wheel (41) and a reverse rotating pawl (44) matched with the reverse rotating pawl (44), wherein the forward rotating pawl (43) and the reverse rotating pawl (44) are connected through a linkage rod (45), a plurality of limiting sleeves (46) are arranged on the outer wall of the wire tightener (2), and the linkage rod (45) is slidably arranged in the limiting sleeves (46).
8. The power distribution network insulator replacement device according to claim 7, wherein a bar-shaped groove (47) is formed in the linkage rod (45) along the axial direction of the rod, a torsion spring (48) is sleeved on the linkage rod (45), one end of the torsion spring (48) is located in the bar-shaped groove (47), and the other end of the torsion spring (48) is fixed on the end face of the limit sleeve (46).
9. The power distribution network insulator replacement device according to claim 8, wherein a first locking block (51) and a second locking block (52) are arranged on the linkage rod (45), a second groove (53) and a third groove (54) are arranged on the outer wall of the tightener (2), and the first locking block (51) pushes the linkage rod (45) into the second groove (53) by pressing the forward rotating pawl (43); the second locking block (52) pushes the linkage rod (45) into the third groove (54) by pressing the reversing pawl (44).
10. The power distribution network insulator replacement device according to claim 1, wherein the drag hook (5) is provided with an elastic tongue piece (9) for preventing the wire from falling off; the tightener (2) is a belt tightener (2).
Priority Applications (1)
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CN202310248091.XA CN116345350B (en) | 2023-03-14 | 2023-03-14 | Insulator replacement device for power distribution network |
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CN202310248091.XA CN116345350B (en) | 2023-03-14 | 2023-03-14 | Insulator replacement device for power distribution network |
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CN116345350A true CN116345350A (en) | 2023-06-27 |
CN116345350B CN116345350B (en) | 2024-04-19 |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420401A (en) * | 2011-12-09 | 2012-04-18 | 河南省电力公司郑州供电公司 | Triangular insulating hanging fulcrum bar |
CN204525279U (en) * | 2015-04-20 | 2015-08-05 | 三峡大学 | The adjustable ratchet wrench of a kind of energy rotating |
CN208369071U (en) * | 2017-10-27 | 2019-01-11 | 国家电网公司 | Large pitch distribution line replacement top shelves device simple device |
CN212304476U (en) * | 2020-05-26 | 2021-01-05 | 武汉里得电力科技股份有限公司 | Porcelain insulator davit |
CN212695606U (en) * | 2020-08-21 | 2021-03-12 | 国网河南省电力公司平顶山供电公司 | Special holding rod for replacing side phase pin insulator of linear rod |
CN112531572A (en) * | 2020-12-11 | 2021-03-19 | 广西电网有限责任公司南宁供电局 | Novel turn-buckle of double round circulation |
KR102303614B1 (en) * | 2021-01-19 | 2021-09-17 | 대원전기 주식회사 | Gear tensioner with reverse rotation prevention and release device, and wire wiring and demolition method using the same |
CN113991539A (en) * | 2021-11-18 | 2022-01-28 | 广西电网有限责任公司南宁供电局 | Double-drive wire tightener |
CN114434374A (en) * | 2020-10-30 | 2022-05-06 | 株式会社山下工业研究所 | Ratchet wrench handle |
CN217281883U (en) * | 2021-09-07 | 2022-08-23 | 国网浙江省电力有限公司培训中心 | Insulating pull rod for protecting live-wire stringing |
-
2023
- 2023-03-14 CN CN202310248091.XA patent/CN116345350B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420401A (en) * | 2011-12-09 | 2012-04-18 | 河南省电力公司郑州供电公司 | Triangular insulating hanging fulcrum bar |
CN204525279U (en) * | 2015-04-20 | 2015-08-05 | 三峡大学 | The adjustable ratchet wrench of a kind of energy rotating |
CN208369071U (en) * | 2017-10-27 | 2019-01-11 | 国家电网公司 | Large pitch distribution line replacement top shelves device simple device |
CN212304476U (en) * | 2020-05-26 | 2021-01-05 | 武汉里得电力科技股份有限公司 | Porcelain insulator davit |
CN212695606U (en) * | 2020-08-21 | 2021-03-12 | 国网河南省电力公司平顶山供电公司 | Special holding rod for replacing side phase pin insulator of linear rod |
CN114434374A (en) * | 2020-10-30 | 2022-05-06 | 株式会社山下工业研究所 | Ratchet wrench handle |
CN112531572A (en) * | 2020-12-11 | 2021-03-19 | 广西电网有限责任公司南宁供电局 | Novel turn-buckle of double round circulation |
KR102303614B1 (en) * | 2021-01-19 | 2021-09-17 | 대원전기 주식회사 | Gear tensioner with reverse rotation prevention and release device, and wire wiring and demolition method using the same |
CN217281883U (en) * | 2021-09-07 | 2022-08-23 | 国网浙江省电力有限公司培训中心 | Insulating pull rod for protecting live-wire stringing |
CN113991539A (en) * | 2021-11-18 | 2022-01-28 | 广西电网有限责任公司南宁供电局 | Double-drive wire tightener |
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