CN111600236B - Interphase insulation isolation device for distribution live-line work line and use method - Google Patents
Interphase insulation isolation device for distribution live-line work line and use method Download PDFInfo
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- CN111600236B CN111600236B CN202010403431.8A CN202010403431A CN111600236B CN 111600236 B CN111600236 B CN 111600236B CN 202010403431 A CN202010403431 A CN 202010403431A CN 111600236 B CN111600236 B CN 111600236B
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- 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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Abstract
本发明公开了一种配电带电作业线路相间绝缘隔离装置及使用方法，包括三个伸缩机构以及安装在伸缩机构两端的多个转轴，使用方法包括如下步骤：固定导线，将三根导线分别放入三个导线固定装置；将导线撑开，调节第一伸缩机构、第二伸缩机构、第三伸缩机构，将带电导线撑开；将绝缘绳绑在绝缘绳挂环上，工作人员根据需要对该装置进行调整，保证立、更换电杆的正常进行，待立、更换电杆完成，将该装置取下。本发明通过机械传动对绝缘杆进行实时伸缩调节，操作方便省力，可调性强；采用导线固定装置，可实现对三相导线的夹持固定；该装置可伸缩距离大，能够满足带电立、更换电杆的安全距离要求，保证了工作人员的人身安全，提高了工作效率。
The invention discloses a phase-to-phase insulation isolation device for a power distribution live working line and a use method, comprising three telescopic mechanisms and a plurality of rotating shafts installed at both ends of the telescopic mechanism. Three wire fixing devices; spread the wire, adjust the first telescopic mechanism, the second telescopic mechanism, and the third telescopic mechanism to spread the live wire; tie the insulating rope to the insulating rope hanging ring, and the staff can fix the wire according to the needs. The device is adjusted to ensure the normal operation of erection and replacement of poles. When the erection and replacement of poles are completed, remove the device. The invention performs real-time telescopic adjustment of the insulating rod through mechanical transmission, which is convenient and labor-saving in operation, and has strong adjustability; the wire fixing device can realize the clamping and fixing of the three-phase wire; The safety distance requirement for replacing the poles ensures the personal safety of the staff and improves the work efficiency.
Description
Technical Field
The invention belongs to the technical field of power supply, and particularly relates to an interphase insulation isolation device for a distribution live-wire work line and a use method.
Background
With the rapid development of the current economic society, the requirements of people on the power supply reliability are higher and higher; in order to ensure that a user is electrified normally, live working is popularized in the system greatly; at present, the number of operations related to live erection and pole replacement on a 10kV overhead line is increased year by year, in the process of live erection and pole replacement, an insulating cross arm is usually used for strutting and fixing two side phase conductors, a small boom of a bucket arm vehicle is used for assisting manpower to suspend the middle phase conductor to one side, and the operation is limited by the quality and the size of the insulating cross arm, so that the strutting distance of the two side phase conductors is limited, the safety distance requirements of live erection and pole replacement are difficult to meet, the stability of the added bucket arm vehicle for suspending the conductors is poor, the operation is difficult, the whole operation process wastes time and labor, and the potential safety hazard is large.
An insulating support rod is developed by retrieving a patent number 201520200764.5, a linear telescopic structure is adopted, only the expansion fixation of two side phase wires is involved, the middle phase wires are not fixed, and after the telescopic adjustment is performed manually, a telescopic rod is connected and fixed by a bolt, so that the adjustability is poor, and time and labor are wasted; patent No. 201720595977.1 develops a novel telescopic wire insulation support pole, adopts "T" shape structure of falling, and the steadiness is slightly poor, and the pole in-process is found, is changed in the area electricity, needs the artifical adjustment position of insulating operation movable rod on the insulating operation dead lever in interval between the wire, then through the butterfly screw with both fixed connection, the regulation nature is relatively poor, wastes time and energy.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an interphase insulating and isolating device for a power distribution live working line and a using method thereof, wherein an insulating rod is telescopically adjusted in real time through mechanical transmission, so that the device is convenient and labor-saving to operate and strong in adjustability; the lead fixing device is adopted, so that the three-phase lead can be clamped and fixed, and the personal safety of workers is ensured; the device is scalable apart from big, can satisfy electrified safe distance requirement of standing, changing the pole, has guaranteed staff's personal safety, has improved work efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an alternate insulating isolating device of distribution live working line, includes first telescopic machanism, second telescopic machanism and third telescopic machanism to and install a plurality of pivots at the telescopic machanism both ends, three telescopic machanism end to end forms the triangle-shaped structure, and wire fixing device is all installed to per two telescopic machanism's junction.
Preferably, install two insulating rope links on one of them telescopic machanism, two insulating rope links symmetry are installed at telescopic machanism's both ends, and are equipped with insulating rope on the insulating rope link, and the setting of insulating rope is convenient for the staff to adjust the device, has improved work efficiency greatly.
Preferably, the first telescopic mechanism comprises a first insulating rod, a second insulating rod and a limiting sleeve, a first installation cylinder is fixed at one end of the first insulating rod, the first installation cylinder is connected with one telescopic mechanism through a rotating shaft, a driving mechanism is installed at the other end of the first insulating rod, the driving mechanism comprises a protective cover, a lead screw, a worm wheel, a worm and a protrusion are arranged in the protective cover, the limiting sleeve is sleeved on the lead screw, is rotatably connected with the lead screw and is matched with the protective cover, one end of the lead screw is arranged in the protective cover, the other end of the lead screw is matched with the second insulating rod, the second installation cylinder is installed at one end of the second insulating rod, the second installation cylinder is connected with the other telescopic mechanism through a rotating shaft, the worm wheel is installed on the lead screw and is matched with the worm, a sliding chute is arranged at the bottom of the lead screw, the protrusion is installed at one side, close to the first insulating rod, in the protective cover, and with spout on the lead screw cooperatees, and telescopic machanism can adjust as required, has guaranteed the safe distance that electrified is found, is changed the pole, has guaranteed staff's personal safety greatly, improve and work efficiency.
Preferably, the second insulating rod is of a hollow structure and is matched with the screw rod, two ends of the worm extend to the outer side of the protective cover, and two hexagonal nuts are mounted at two ends of the worm; make things convenient for the lead screw to adjust, guaranteed the device's normal work, the setting of hexagonal nut is convenient for the staff and uses ratchet spanner or electric wrench to adjust the device, has reduced working strength, has improved work efficiency.
Preferably, wire fixing device includes the mounting bracket and installs the mounting panel on the mounting bracket, installs the limiting plate in the top of mounting bracket, installs two arc splint in the inboard of mounting bracket, and two arc splint are about mounting panel central symmetry, and are equipped with telescopic link and spring between arc splint and mounting bracket, the one end of telescopic link is fixed on the lateral wall of a mounting bracket, the other end is fixed in one side of arc splint, the spring housing still is equipped with the mounting hole in the bottom of mounting bracket on the telescopic link, the mounting hole cooperatees with the pivot, and wire fixing device can be fixed the wire, has guaranteed live working's safe distance, has guaranteed staff's safety, has improved work efficiency.
A use method of an interphase insulation isolation device of a distribution live-wire work line comprises the following steps:
fixing the conducting wires, and respectively placing the three conducting wires into the three conducting wire fixing devices;
the wire is stretched, and the first telescopic mechanism, the second telescopic mechanism and the third telescopic mechanism are adjusted to stretch the electrified wire by taking the first telescopic mechanism as a reference;
the adjustment is tied up insulating rope on insulating rope link, and the staff adjusts the device as required, guarantees to found, change the normal clear of pole, treats to stand, changes the pole and accomplishes, takes off the device.
The invention has the beneficial effects that:
1) the insulating rod is subjected to real-time telescopic adjustment through mechanical transmission, so that the operation is convenient and labor-saving, and the adjustability is strong; the wire fixing device is adopted, so that the clamping and fixing of the three-phase wire can be realized; the device is scalable apart from big, can satisfy electrified safe distance requirement of standing, changing the pole, has guaranteed staff's personal safety, has improved work efficiency.
2) According to the invention, two insulating rope hanging rings are arranged on one telescopic mechanism, the two insulating rope hanging rings are symmetrically arranged at two ends of the telescopic mechanism, and the insulating rope is arranged on the insulating rope hanging rings, so that the device can be conveniently adjusted by workers, and the working efficiency is greatly improved.
3) The telescopic mechanism can be adjusted according to the requirement, so that the safety distance of the electrified vertical and replacement pole is ensured, the personal safety of workers is greatly ensured, and the working efficiency is improved; the second insulating rod is of a hollow structure and is matched with the screw rod, two ends of the worm extend to the outer side of the protective cover, and two hexagonal nuts are mounted at two ends of the worm; make things convenient for the lead screw to adjust, guaranteed the device's normal work, the staff of being convenient for of hexagonal nut uses ratchet spanner or electric spanner to adjust the device in setting up, has reduced working strength, has improved work efficiency.
4) The wire fixing device comprises a mounting frame and a mounting plate mounted on the mounting frame, a limiting plate is mounted above the mounting frame, two arc-shaped clamping plates are mounted on the inner side of the mounting frame, the two arc-shaped clamping plates are symmetrical about the center of the mounting plate, a telescopic rod and a spring are arranged between the arc-shaped clamping plates and the mounting frame, one end of the telescopic rod is fixed to the side wall of one mounting frame, the other end of the telescopic rod is fixed to one side of the arc-shaped clamping plate, the spring is sleeved on the telescopic rod, a mounting hole is further formed in the bottom of the mounting frame and matched with a rotating shaft, the wire fixing device can fix a wire, the safety distance of live working is guaranteed, the safety of workers is guaranteed, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an interphase insulating and isolating device for a distribution live-wire work line.
Fig. 2 is an exploded view of a conductor fixing device of an interphase insulating and isolating device of a distribution live-wire work line.
Fig. 3 is an exploded view of a telescopic mechanism of an interphase insulating and isolating device of a distribution live-line working line.
FIG. 4 is an installation diagram of a worm gear of the interphase insulating and isolating device for the distribution live-wire work line.
Fig. 5 is a side view of a worm gear of the interphase insulating isolator for the distribution live working line of the invention.
Fig. 6 is an installation diagram of a lead screw of the interphase insulating and isolating device of the distribution live line. Side view.
In the figure: 1. a telescoping mechanism; 101. a second mounting cylinder; 102. a second insulating rod; 103. a lead screw; 1031. A chute; 104. a limiting sleeve; 105. a drive mechanism; 1051. a protective cover; 1052. a worm gear; 1053. a worm; 1054. a hexagonal nut; 1055. a protrusion; 106. a first insulating rod; 107. a first mounting cylinder; 2. An insulating rope suspension loop; 3. a rotating shaft; 4. a lead wire fixing device; 401. mounting holes; 402. mounting a plate; 403. A mounting frame; 404. a limiting plate; 405. a telescopic rod; 406. a spring; 407. an arc-shaped splint; 5. a second telescoping mechanism; 6. and a third telescoping mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
An interphase insulation isolation device for a distribution live working line comprises a first telescopic mechanism 1, a second telescopic mechanism 5, a third telescopic mechanism 6 and a plurality of rotating shafts 3 arranged at two ends of the telescopic mechanisms, wherein the three telescopic mechanisms 1 are connected end to form a triangular structure, and a lead fixing device 4 is arranged at the joint of every two telescopic mechanisms 1; the insulating rod is subjected to real-time telescopic adjustment through mechanical transmission, so that the operation is convenient and labor-saving, and the adjustability is strong; the lead fixing device 4 is adopted to realize the clamping and fixing of the three-phase lead; the device is scalable apart from big, can satisfy electrified safe distance requirement of standing, changing the pole, has guaranteed staff's personal safety, has improved work efficiency.
The first telescopic mechanism 1, the second telescopic mechanism 5 and the third telescopic mechanism 6 are identical in structure, wherein the first telescopic mechanism 1 is provided with two insulating rope hanging rings 2, the two insulating rope hanging rings 2 are symmetrically arranged at two ends of the telescopic mechanism 1, and insulating ropes are arranged on the insulating rope hanging rings 2; due to the arrangement of the insulating rope, the device is convenient for workers to adjust, and the working efficiency is greatly improved.
The first telescopic mechanism 1 comprises a first insulating rod 106, a second insulating rod 102 and a limit sleeve 104, a first installation cylinder 107 is fixed at one end of the first insulating rod 106, the first installation cylinder 107 is connected with one telescopic mechanism 1 through a rotating shaft 3, a driving mechanism 105 is installed at the other end of the first insulating rod 106, the driving mechanism 105 comprises a protective cover 1051, a lead screw 103, a worm wheel 1052, a worm 1053 and a bulge 1055 are arranged inside the protective cover 1051, the limit sleeve 104 is sleeved on the lead screw 103, is rotatably connected with the lead screw 103 and is matched with the protective cover 1051, one end of the lead screw 103 is arranged inside the protective cover 1051, the other end of the lead screw is matched with the second insulating rod 102, a second installation cylinder 101 is installed at one end of the second insulating rod 102, the second installation cylinder 101 is connected with the other telescopic mechanism 1 through the rotating shaft 3, and the worm wheel 1052 is installed on the lead screw 103, and cooperate with worm 1053, be equipped with spout 1031 in the bottom of lead screw 103, protruding 1055 is installed in the inside of safety cover 1051 and is close to one side of first insulating rod 106, and with spout 1031 on lead screw 103 cooperatees, and telescopic machanism 1 can be adjusted as required, has guaranteed the safe distance that electrified found, changed the pole, has guaranteed staff's personal safety greatly, improves and work efficiency.
The second insulating rod 102 is of a hollow structure and is matched with the screw 103, two ends of the worm 1053 extend to the outer side of the protective cover 1051, and two hexagonal nuts 1054 are mounted at two ends of the worm 1053; the convenient regulation to lead screw 103 has guaranteed the device's normal work, and hexagonal nut 1054's setting is convenient for the staff to use ratchet spanner or electric wrench to adjust the device, has reduced working strength, has improved work efficiency.
Wherein the total length of the first insulating rod 106 and the second insulating rod 102 of the first telescopic mechanism 1 is 1500mm, the screw 103 is 600mm, and the first telescopic mechanism is in a condensed state; the total length of the first insulating rod and the second insulating rod in the second telescopic mechanism 5 is 1026mm, wherein the lead screw is 600mm and is in a condensation state; the total length of first insulator spindle and second insulator spindle is 1026mm in the third telescopic machanism 6, and wherein the lead screw is 600mm, is in tensile state, and the during operation is adjusted 1 length of first telescopic machanism and is 2000mm, and 5 length of second telescopic machanism are 1565mm, and 6 length of third telescopic machanism are 922mm, can guarantee electrified safe distance that stands, change the pole, guarantee staff's personal safety, improve work efficiency.
Wire fixing device 4 includes mounting bracket 403 and installs mounting panel 402 on mounting bracket 403, installs limiting plate 404 in the top of mounting bracket 403, is equipped with two arc splint 407 in the inboard of mounting bracket 403, and two arc splint 407 are about mounting panel 402 centrosymmetric, and are equipped with telescopic link 405 and spring 406 between arc splint 407 and mounting bracket 403, the one end of telescopic link 405 is fixed on the lateral wall of a mounting bracket 403, the other end is fixed in one side of arc splint 407, spring 406 overlaps on telescopic link 405, still is equipped with mounting hole 401 in the bottom of mounting bracket 403, mounting hole 401 cooperatees with pivot 3, and wire fixing device 4 can be fixed the wire, has guaranteed live working's safe distance, has guaranteed staff's safety, has improved work efficiency.
A use method of an interphase insulation isolation device of a distribution live-wire work line comprises the following steps:
fixing the conducting wires, namely putting the three conducting wires on the three conducting wire fixing devices 4 respectively to fix the conducting wires;
the wire is stretched, and the first telescopic mechanism 1, the second telescopic mechanism 5 and the third telescopic mechanism 6 are adjusted to stretch the charged wire;
the adjustment is tied up insulating rope on insulating rope link 2, and the staff adjusts the device as required, guarantees to found, change the normal clear of pole, treats to stand, changes the pole and accomplishes, takes off the device.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (3)
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| CN202010403431.8A CN111600236B (en) | 2020-05-13 | 2020-05-13 | Interphase insulation isolation device for distribution live-line work line and use method |
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| CN111600236B true CN111600236B (en) | 2022-06-24 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708480U (en) * | 2010-06-28 | 2011-01-12 | 河南省电力公司平顶山供电公司 | Three phase line distraction supporting pole used for operation of charged standing pole |
| CN202084889U (en) * | 2011-06-23 | 2011-12-21 | 西安长明三立电力电气有限公司 | Composite phase-to-phase spacer |
| CN204205397U (en) * | 2014-11-19 | 2015-03-11 | 国家电网公司 | A kind of adjustable Cable holder for distribution |
| CN205791238U (en) * | 2016-07-13 | 2016-12-07 | 云南电网有限责任公司红河供电局 | A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire |
| CN205829027U (en) * | 2016-06-29 | 2016-12-21 | 国网内蒙古东部电力有限公司呼伦贝尔供电公司 | Novel electric power circuit cleaning plant |
| CN207251078U (en) * | 2017-10-18 | 2018-04-17 | 广西电网有限责任公司南宁供电局 | Power distribution live-wire circuit phase insulation isolating device |
| CN208078525U (en) * | 2018-04-28 | 2018-11-09 | 国网福建省电力有限公司龙岩供电公司 | Three-phase conducting wire for distribution network live line work upright bar struts insulating frame |
| CN208337016U (en) * | 2018-03-26 | 2019-01-04 | 广东电网有限责任公司惠州供电局 | A kind of flexible temporary cross arm device of 10kV distribution line livewire work novel hand-operated |
| CN208797466U (en) * | 2018-09-19 | 2019-04-26 | 国网浙江省电力有限公司丽水供电公司 | For increasing the triangle-pole of cable spacing |
| CN209981998U (en) * | 2018-12-26 | 2020-01-21 | 国网福建省电力有限公司福清市供电公司 | A telescopic insulating strut |
-
2020
- 2020-05-13 CN CN202010403431.8A patent/CN111600236B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708480U (en) * | 2010-06-28 | 2011-01-12 | 河南省电力公司平顶山供电公司 | Three phase line distraction supporting pole used for operation of charged standing pole |
| CN202084889U (en) * | 2011-06-23 | 2011-12-21 | 西安长明三立电力电气有限公司 | Composite phase-to-phase spacer |
| CN204205397U (en) * | 2014-11-19 | 2015-03-11 | 国家电网公司 | A kind of adjustable Cable holder for distribution |
| CN205829027U (en) * | 2016-06-29 | 2016-12-21 | 国网内蒙古东部电力有限公司呼伦贝尔供电公司 | Novel electric power circuit cleaning plant |
| CN205791238U (en) * | 2016-07-13 | 2016-12-07 | 云南电网有限责任公司红河供电局 | A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire |
| CN207251078U (en) * | 2017-10-18 | 2018-04-17 | 广西电网有限责任公司南宁供电局 | Power distribution live-wire circuit phase insulation isolating device |
| CN208337016U (en) * | 2018-03-26 | 2019-01-04 | 广东电网有限责任公司惠州供电局 | A kind of flexible temporary cross arm device of 10kV distribution line livewire work novel hand-operated |
| CN208078525U (en) * | 2018-04-28 | 2018-11-09 | 国网福建省电力有限公司龙岩供电公司 | Three-phase conducting wire for distribution network live line work upright bar struts insulating frame |
| CN208797466U (en) * | 2018-09-19 | 2019-04-26 | 国网浙江省电力有限公司丽水供电公司 | For increasing the triangle-pole of cable spacing |
| CN209981998U (en) * | 2018-12-26 | 2020-01-21 | 国网福建省电力有限公司福清市供电公司 | A telescopic insulating strut |
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