CN110492384A - A kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar - Google Patents

A kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar Download PDF

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Publication number
CN110492384A
CN110492384A CN201910774797.3A CN201910774797A CN110492384A CN 110492384 A CN110492384 A CN 110492384A CN 201910774797 A CN201910774797 A CN 201910774797A CN 110492384 A CN110492384 A CN 110492384A
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CN
China
Prior art keywords
rod
bar
guide blot
nut
flexible body
Prior art date
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Pending
Application number
CN201910774797.3A
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Chinese (zh)
Inventor
刘世涛
杨凯
马博翔
伍弘
何建剑
房子祎
陈泓
吴波
王博
孙大伟
朱文炜
袁惠
姚鹏远
刘威峰
王蕾
杨福民
王磊
谢金柱
李康
陈山
刘晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Network Ningxia Electric Power Co Ltd Zhong Wei Power Supply Co
SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Co Ltd
Yinchuan Branch Of Shaanxi Datang Xinneng Electric Power Design Co Ltd
Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd
Cable Branch of State Grid Beijing Electric Power Co Ltd
Original Assignee
China Network Ningxia Electric Power Co Ltd Zhong Wei Power Supply Co
SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Co Ltd
Yinchuan Branch Of Shaanxi Datang Xinneng Electric Power Design Co Ltd
Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd
Cable Branch of State Grid Beijing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by China Network Ningxia Electric Power Co Ltd Zhong Wei Power Supply Co, SHAANXI QINCHUAN ELECTRIC POWER EQUIPMENT INDUSTRY Co Ltd, Yinchuan Branch Of Shaanxi Datang Xinneng Electric Power Design Co Ltd, Electric Power Research Institute of State Grid Ningxia Electric Power Co Ltd, Cable Branch of State Grid Beijing Electric Power Co Ltd filed Critical China Network Ningxia Electric Power Co Ltd Zhong Wei Power Supply Co
Priority to CN201910774797.3A priority Critical patent/CN110492384A/en
Publication of CN110492384A publication Critical patent/CN110492384A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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  • Insulators (AREA)

Abstract

The present invention relates to a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bars, it includes sequentially connected second guide blot bar, lead screw tightener, telescopic rod and hook, the end vertical and the first guide blot bar of threaded connection of second guide blot bar, first guide blot bar is equipped with the first angle bar and the first wing nut, second guide blot bar is equipped with the second angle bar and the second wing nut, first angle bar and the rectangular type of the second angle bar, the two can clamp a side of tower material respectively with the help of the first wing nut and the second wing nut, pass through the fitting yoke plate for tangling insulator chain simultaneously, it can be realized and insulating bar fixation is erected between fitting yoke plate and cross arm of tower.The present invention can be avoided restriction of the installation of branch stake tool by cross arm of tower size, shape, and be unfavorable for carrying, limiting the technical problems such as operator, and light-weight, installation is efficiently, convenient and safe.

Description

A kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar
Technical field
The invention belongs to electrical equipment technical field, in particular to a kind of disengaging extra-high voltage strain rod tower insulator chain is with auxiliary Help insulating bar.
Background technique
It is a plurality of in the case of UHV transmission DC line continues to develop with the continuous expansion of China's power grid scale Direct current ± 660kV, ± 800kV and ± 1100kV put into operation in succession, constantly transfer electricity from the west to the east for me and constantly provide strong support.It is defeated The service work of the safe and reliable operation and route of electric line, which has, directly to be contacted, in power transmission lines overhauling operation, operation Personnel enter conducting wire according to maintenance task, work on insulator chain.Anchor support insulator chain refers to two or more insulation Subcomponent is combined, the component of flexible suspension conducting wire, for hanging conducting wire and conducting wire and shaft tower and the earth being made to insulate.Strain insulator Tower insulator chain both ends are generally to connect steelframe by triangle or the fitting yoke plate of other shapes, then connect by steelframe respectively Connect cross arm of tower.In order to reach at anchor support insulator chain, operator needs across between fitting yoke plate and cross arm of tower 2.5-4 the distance of rice.Branch stake tool is mostly using ladder at present, and fitting yoke plate is caught in ladder one end, and the other end catches on or with restricting Son ties cross arm of tower.
However, either rope ladder or hard ladder, the connection of end are highly susceptible to cross arm of tower size, shape Restriction, the problem for causing ladder installation inconvenient;In addition, the sub- load effect of rope ladder is limited, operator is needed to have good climbing Technology, and take physical strength, and hard ladder-shaped volume is larger, quality weight, is unfavorable for high-altitude carrying, influences overhaul efficiency.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention provides disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar, Its restriction of installation that can be avoided branch stake tool by cross arm of tower size, shape, and it is unfavorable for the technical problems such as carrying, peace Dress is efficiently, convenient and safe.
The technical scheme to solve the above technical problems is that a kind of disengaging extra-high voltage strain rod tower insulator chain is used Supplementary insulation bar comprising:
First guide blot bar, is fixed with nut in first end, and passes through the nut and the second guide blot bar First end is vertical and is threadedly coupled, and the other end passes through the first wing nut;
First wing nut, screw thread are set on the first guide blot bar;
First angle bar, between the first end and the first wing nut of the first guide blot bar, the first guiding spiral shell Tightening latch passes perpendicularly through and stretches out one end of first angle bar, and the two is threadedly coupled, and the other end of the first angle bar is led with first It is arranged in parallel to shank of bolt and extends towards the second guide spiro rod direction;
Second guide blot bar, the second end far from the first guide blot bar are received after passing through the second wing nut with lead screw The first end of tight part is fixedly connected;
Second wing nut, screw thread are set on the second guide blot bar;
Second angle bar, between the first end and the second wing nut of the second guide blot bar, the second guiding spiral shell Tightening latch passes perpendicularly through and stretches out one end of second angle bar, and the two is threadedly coupled, and the other end of the second angle bar is led with second It is arranged in parallel to shank of bolt and extends towards the first guide spiro rod direction;
Lead screw tightener, the second end far from the second guide blot bar are fixedly connected with the first end of telescopic rod;
Telescopic rod, the second end far from lead screw tightener are fixedly installed with hook.
The beneficial effects of the present invention are: one end of insulating bar can catch on the outer wall of fitting yoke plate by hook, it is another On the fixation tower material that end can be clamped on cross arm of tower by the cooperation of the first angle bar and the second angle bar, due to the first angle bar with The rectangular type of second angle bar, the two can clamp fashioned iron with the help of the first wing nut and the second wing nut respectively A side, tense by the control of lead screw tightener again thereafter or unclamp hook, to guarantee the support tension of insulating bar entirety, The mounting means of the insulating bar sufficiently combines the structure of cross arm of tower, quick for installation, easy to carry, has a wide range of application, and helps Operator rapidly enters construction area.
Wherein, in order to realize the vertical connection effect of the first guide blot bar with the second guide blot bar, the first guiding spiral shell One end end of tightening latch is fixedly connected with the lateral wall of nut, the axis of the first guide blot bar and the axis perpendicular of nut, First guide blot bar is set on the second guide blot bar by the nut and is threadedly coupled with the first guide blot bar.
Based on the above technical solution, the present invention can also be improved as follows.
Further, first angle bar includes the first cross level angle iron portion, the first vertical angle iron portion and nut A, first cross level angle The first end end in iron portion is fixedly connected with the lateral wall of the nut A, and the nut A is set on the first guide blot bar and institute State the first guide blot bar threaded connection, the second end in the first cross level angle iron portion it is vertical with the first end in the first vertical angle iron portion and It is connected as one, the first vertical angle iron portion extends far from the second end in the first cross level angle iron portion towards the second guide blot bar direction;
Second angle bar includes the second cross level angle iron portion, the second vertical angle iron portion and nut B, the first end in the second vertical angle iron portion End is fixedly connected with the lateral wall of the nut B, and the nut B is set on the second guide blot bar and the second guiding spiral shell Tightening latch is threadedly coupled, and the second end in the second vertical angle iron portion is vertical with the first end in the second cross level angle iron portion and is connected as one, Second cross level angle iron portion extends far from the second end in the second vertical angle iron portion towards the first guide blot bar direction.
Further, further include the first stop nut being located on the first guide blot bar and the second stop nut, be located at Third stop nut and the 4th stop nut on two guide blot bars, the first stop nut are located at the first angle bar and the first guiding Between the first end of shank of bolt, the second stop nut is between the first wing nut and the second end of the first guide blot bar; For third stop nut between the second angle bar and the first end of the second guide blot bar, the 4th stop nut is located at the second butterfly Between nut and the first end of telescopic rod.
Beneficial effect using above-mentioned further scheme can be effectively limited by the first stop nut, the second stop nut The displacement of the first angle bar and the first wing nut is made, third stop nut, the 4th stop nut can effectively limit the second angle bar With the displacement of the second wing nut, thus safety when greatly improving insulating bar installation condition.
Further, the lead screw tightener includes lead screw, rotating nuts, rocking bar, lead screw sleeve, and there are gaps for lead screw sleeve With on lead screw, one end is fixedly connected ground suit with the rotating nuts;Rotating nuts are set on lead screw, solid on lateral wall Dingan County fills the rocking bar;The first end of the lead screw is fixedly connected by bolt with the second end of the second guide blot bar, the Two ends are fixedly connected by bolt with the first end of telescopic rod.
Beneficial effect using above-mentioned further scheme, which is rocking bar, can control lead screw towards hook side by rotating nuts To the mobile release for realizing hook with fitting yoke plate, it also can control lead screw and hung towards mobile realize in the second guide blot bar direction The tension of hook and fitting yoke plate, easy to operate, efficient work.
Further, the telescopic rod includes the flexible body of rod of the first flexible body of rod, the second flexible body of rod and third, and third is flexible The body of rod is the hollow structure that both ends are respectively provided with the first opening and the second opening, and the first end of the first flexible body of rod is opened by first Mouth is threaded through in the flexible body of rod of third, and is fixedly connected by the first stopper mechanism with the flexible body of rod of third, the second flexible body of rod First end third be threaded through by the second opening stretch in the body of rod, and fixed by the flexible body of rod of the second stopper mechanism and third Connection;
The second end of the first flexible body of rod be equipped with through the first flexible body of rod and bolt match for the silk First tapped through hole of thick stick tightener connection, the second end of the second flexible body of rod are equipped with through the second flexible body of rod and bolt Match for the second tapped through hole with the hook connection.
Beneficial effect using above-mentioned further scheme, which is telescopic rod, passes through the first flexible body of rod, the second flexible body of rod, the Three telescopic rod bodies can be realized the three stage structure of " intermediate thick both sides thin ", the three stage structure can make the first flexible body of rod and The second flexible body of rod puts in respectively from the first opening and the second opening or stretches out the flexible body of rod of third, and the stress of such telescopic rod is more Add uniformly, the support effect reached is also more preferable.
Further, the flexible body of rod of the described first flexible body of rod, the second flexible body of rod and third is in prism-shaped or cylindric.
Further, the described first flexible body of rod, the second flexible body of rod and third are stretched, and the body of rod is cylindrical, and first is flexible The outer diameter length of the body of rod and the second flexible body of rod is respectively L1And L2, the interior electrical path length of the flexible body of rod of third is L3, the L1、L2、 L3Meet relationship: L3=(1.5-2.5) * L1, L3=(1.5-2.5) * L2
Beneficial effect using above-mentioned further scheme is by stretching to the first flexible body of rod, the second flexible body of rod and third The restriction of contracting body of rod internal diameter or outer diameter is able to ascend the stability of strutting system of insulating bar.
Further, the interior electrical path length L of the flexible body of rod of the third3Value range be 6-10cm, first telescopic rod The outer diameter length L of body1With the outer diameter length L of the second flexible body of rod2Value range be 4-8cm.
Beneficial effect using above-mentioned further scheme is the flexible body of rod of the first flexible body of rod, the second flexible body of rod and third Internal diameter or outer diameter are more in line with the size of manpower in above-mentioned value range, and operator is helped to enter construction model by insulating bar In enclosing.
Further, first stopper mechanism include through be arranged in third stretch several first positioning holes on the body of rod, Several first fixation holes being mounted on the first flexible body of rod, several first positioning holes are stretched the length side of the body of rod along third To being arranged successively, and the distance of first positioning hole to the first opening be less than first positioning hole to the second opening distance, described the A positioning hole is corresponded with the first fixation hole and is fixedly connected by fixing piece;Second stopper mechanism includes through setting It stretches in third several second location holes on the body of rod, several second fixation holes for being mounted on the second flexible body of rod, Ruo Gansuo It states second location hole to be arranged successively along the stretch length direction of the body of rod of third, and the distance of second location hole to the second opening is less than The distance that first positioning hole is open to first, the second location hole are corresponded with the second fixation hole and are fixed by fixing piece Connection.
It is understood that above-mentioned first positioning hole to first opening distance and first positioning hole to second opening away from From referring to, any first positioning hole is opened to the distance of the first opening and any first positioning hole to second in several first positioning holes The distance of mouth;Similarly, second location hole refers to the distance of the second opening and the distance of first positioning hole to the first opening, several The distance that any second location hole is open to the distance of the second opening and any second location hole to first in second location hole.
It will also be appreciated that above-mentioned first fixation hole and the second fixation hole are conventional technical means in the art, for controlling The collapsing length of telescopic rod processed.Wherein, the fixing piece is bolt or screw, can tively firm realize connection effect Fruit increases the stability of insulating bar.
Beneficial effect using above-mentioned further scheme is the cooperation by fixation hole and location hole, the first flexible body of rod and Second telescopic rod body can rapidly realize the fixation for the body of rod that stretches with third respectively, and structure is simple, easy to operate.
Further, the quantity of the first positioning hole and second location hole is 4-5, first fixation hole and second The quantity of fixation hole is 3-4.
Beneficial effect using above-mentioned further scheme is the quantity by limiting location hole and fixation hole, can be effective Adjust the length of telescopic rod.
Further, the hook includes interconnecting piece and U-shaped hook portion, one end of the hook pass through bolt and telescopic rod the Two ends are fixedly connected, and the other end and the one end in U-shaped hook portion are connected as one, and the opening in the U-shaped hook portion is towards the lead screw Tightener.
Beneficial effect using above-mentioned further scheme is that hook by interconnecting piece can be realized fixation with telescopic rod, and By adjusting the length of angle and interconnecting piece between interconnecting piece and U-shaped hook portion, keep U-shaped hook portion more obvious and prominent, really Fitting yoke plate can be caught in high-altitude more stablely by protecting U-shaped hook portion, avoid the influence of telescopic rod.
Detailed description of the invention
Fig. 1 is the schematic perspective view of insulating bar of the present invention;
Fig. 2 is the structural schematic diagram of the first angle bar of insulating bar of the present invention;
Fig. 3 is the structural schematic diagram of the second angle bar of insulating bar of the present invention;
Fig. 4 is insulating bar installation process schematic diagram of the present invention;
Fig. 5 is that the first angle bar of insulating bar of the present invention and the second angle bar are mounted on the signal of the local overlooking section on fixed fashioned iron Figure;
Fig. 6 is the structural schematic diagram of insulating bar lead screw tightener of the present invention;
Fig. 7 is the structural schematic diagram of insulating bar telescopic rod of the present invention;
Fig. 8 is the structural schematic diagram of insulating bar of the present invention hook;
In attached drawing, parts list represented by the reference numerals are as follows:
1, supplementary insulation bar, the 2, first guide blot bar, the 4, first angle bar, the 6, first cross level angle iron portion, the 8, first vertical angle iron Portion, 9, nut A, the 10, first wing nut, the 12, second guide blot bar, the 14, second angle bar, the 16, second cross level angle iron portion, 18, Second vertical angle iron portion, 19, nut B, the 20, second wing nut, 26, lead screw tightener, 28, lead screw, 30, rotating nuts, 32, shake Bar, 34, lead screw sleeve, 38, telescopic rod, 40, the first flexible body of rod, 42, the second flexible body of rod, 44, the flexible body of rod of third, 46, First tapped through hole, the 48, second tapped through hole, the 50, first stopper mechanism, 52, first positioning hole, the 54, first fixation hole, 56, Second stopper mechanism, 58, second location hole, the 60, second fixation hole, 66, hook, 68, interconnecting piece, 70, U-shaped hook portion, 80, first Stop nut, the 82, second stop nut, 84, third stop nut, the 86, the 4th stop nut, 92, tower material;102, shaft tower is horizontal Load, 114, fitting yoke plate, 124, insulator chain.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the invention.
Here is that the present invention is further described in conjunction with attached drawing 1-8:
Mode one
The method provides a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar, in conjunction with Fig. 1-5, packet Include: the first guide blot bar 2 is fixed with nut in first end, and pass through the nut and the second guide blot bar 12 the One end is vertical and is threadedly coupled, and the other end passes through the first wing nut 10;As shown in Figure 1, the first wing nut 10, thread bush It is located on the first guide blot bar 2;As shown in Fig. 2, the first angle bar 4, first end and the first butterfly positioned at the first guide blot bar 2 Between shape nut 10, the first guide blot bar 2 passes perpendicularly through and stretches out one end of first angle bar 4, and the two screw thread connects It connects, and the other end of the first angle bar 4 and the first guide blot bar 2 are arranged in parallel and extend towards 12 direction of the second guide spiro rod; As shown in Figure 1, the second guide blot bar 12, after the second end far from the first guide blot bar 2 passes through the second wing nut 20 It is fixedly connected with the first end of lead screw tightener 26;As shown in Figure 1, the second wing nut 20, screw thread is set in the second guiding spiral shell On tightening latch 12;As shown in figure 3, the second angle bar 14, positioned at the first end of the second guide blot bar 12 and the second wing nut 10 it Between, the second guide blot bar 12 passes perpendicularly through and stretches out one end of second angle bar 14, and the two is threadedly coupled, and second The other end of angle bar 14 and the second guide blot bar 12 are arranged in parallel and extend towards 2 direction of the first guide spiro rod;Such as Fig. 1 institute Show, lead screw tightener 26, the second end far from the second guide blot bar 12 is fixedly connected with the first end of telescopic rod 38;Such as figure Shown in 1, telescopic rod 38, the second end far from lead screw tightener 26 is fixedly installed with hook 66.
The disengaging extra-high voltage strain rod tower insulator chain of the method can be avoided the installation of branch stake tool with supplementary insulation bar The technical issues of by the restriction of cross arm of tower size, shape, and being unfavorable for carrying, limiting operator, installation are efficiently, convenient Safety.
One end of the method insulating bar can catch on the outer wall of fitting yoke plate by hook 66, and the other end passes through first jiao On the fixation fashioned iron 92 that the cooperation of iron 4 and the second angle bar 14 can be clamped on cross arm of tower, due to the first angle bar 4 and second jiao The rectangular type of iron 14, the two can clamp fashioned iron with the help of the first wing nut 10 and the second wing nut 20 respectively A side, thereafter again by lead screw tightener 26 control tense or unclamp hook 66, to guarantee the support of insulating bar entirety Tension, the mounting means of the insulating bar sufficiently combines the structure of cross arm of tower, quick for installation, easy to carry, has a wide range of application, Operator is helped to rapidly enter construction area.
Wherein, such as Fig. 2, first angle bar 4 includes the first cross level angle iron portion 6, the first vertical angle iron portion 8 and nut A 19, institute The first end end for stating the first cross level angle iron portion 6 is fixedly connected with the lateral wall of the nut A 19, and the nut A 19 is set in It is threadedly coupled on one guide blot bar 2 with the first guide blot bar 2, the second end and first in the first cross level angle iron portion 6 The first end in vertical angle iron portion 8 is vertical and is connected as one, and second end of the first vertical angle iron portion 8 far from the first cross level angle iron portion 6 is towards the Two guide blot bars, 12 direction extends;Such as Fig. 3, the second angle bar 14 includes the second cross level angle iron portion 16, the second vertical angle iron portion 18 and spiral shell The first end end of female B 19, the second vertical angle iron portion 18 are fixedly connected with the lateral wall of the nut B 19, the nut B 19 are set on the second guide blot bar 12 and are threadedly coupled with the second guide blot bar 12, the second vertical angle iron portion 18 Second end is vertical with the first end in the second cross level angle iron portion 16 and is connected as one, and the second cross level angle iron portion 16 is far from the second vertical angle iron portion 18 second end extends towards 2 direction of the first guide blot bar.
It is understood that nut mentioned above refers to nut member general in the market.
It will also be appreciated that fixation fashioned iron 92 mentioned above, can also claim angle steel, refer to the orthogonal angulation in both sides The strip steel of shape, are generally vertically installed on cross arm of tower, as primary structure member, or as the connection between other components Part.
It further include that screw thread is set on the first guide blot bar 2 to improve safety when insulating bar installation condition First stop nut 80 and the second stop nut 82, the first stop nut 80 are located at the first angle bar 4 and the first guide blot bar 2 Between first end, the second stop nut 82 is between the first wing nut 10 and the second end of the first guide blot bar 2;Screw thread The third stop nut 84 and the 4th stop nut 86 being set on the second guide blot bar 12, third stop nut 84 are located at the Between two angle bar 14 and the first end of the second guide blot bar 12, the 4th stop nut 86 is located at the second wing nut 20 and stretches Between the first end of bar 38.
In order to facilitate the elasticity of control hook 66 and fitting yoke plate, as figure 5 illustrates, the lead screw tightener 26 includes silk Thick stick, rotating nuts 30, rocking bar 32, lead screw sleeve 34, lead screw sleeve 34 there are with gap suit with lead screw on, one end with it is described Rotating nuts 30 are fixedly connected;Rotating nuts 30 are set on lead screw, and the rocking bar 32 is fixedly mounted on lateral wall;The silk The first end of thick stick 28 is provided with U clamping part, and two sides are respectively equipped with the threaded hole A through side wall, and the threaded hole on the U clamping part The axial direction of A and the axial direction of lead screw 28 are perpendicular, and the second end of the second guide blot bar 12 is fixed with the company for the clamping of U clamping part Connector, connector are equipped with the threaded hole C through the connector, and the axial direction of threaded hole C is identical as the axial direction of threaded hole A, and spiral shell Pit C is fixedly connected by bolt with threaded hole A;28 second end of lead screw offers threaded hole B, the axial direction of threaded hole B with Lead screw 28 it is axially vertical, telescopic rod first end is provided with threaded hole D, concretely the first following tapped through holes 46, screw thread The axial direction of hole D is identical as the axial direction of threaded hole B, and threaded hole D is fixedly connected by bolt with threaded hole B.
Above-mentioned rocking bar 32 can control lead screw by rotating nuts 30 and realize hook 66 and gold towards 66 directions of hook are mobile Have the release of yoke plate, also can control lead screw towards 12 direction of the second guide blot bar is mobile and realize hook 66 and fitting yoke plate It tenses, easy to operate, efficient work.
The structure of telescopic rod 38 is diversified, the two-period form that can be able to know that for those skilled in the art, three Segmentation or multi-segment structure, main reference factor are the collapsing length of telescopic rod 38, and the length is with cross arm of tower to fitting Subject to the distance of yoke plate, generally 2.5-4 meters, a kind of mode being more uniformly stressed is provided in the method, as shown in fig. 6, institute Stating telescopic rod 38 includes the flexible body of rod 44 of the first flexible body of rod 40, the second flexible body of rod 42 and third, and the flexible body of rod 44 of third is Both ends are respectively provided with the hollow structure of the first opening and the second opening, and the first end of the first flexible body of rod 40 is worn by the first opening It is located in the flexible body of rod 44 of third, and is fixedly connected by the first stopper mechanism 50 with the flexible body of rod 44 of third, the second telescopic rod The first end of body 42 is threaded through in the flexible body of rod 44 of third by the second opening, and flexible by the second stopper mechanism 56 and third The body of rod 44 is fixedly connected;As shown in fig. 6, the second end of the first flexible body of rod 40 is equipped with through the first flexible body of rod 40 and spiral shell The first tapped through hole 46 that bolt matches for connecting with the lead screw tightener 26 is set in the second end of the second flexible body of rod 42 There is the second tapped through hole 48 to match with bolt for connecting with the hook 66 through the second flexible body of rod 42.As excellent The second end of choosing, the second end of the first flexible body of rod 40 and the second flexible body of rod 42 may be designed as flat, help to mention The stability of high fixed effect.
Above-mentioned telescopic rod 38 can be realized by the first flexible body of rod 40, the second flexible body of rod 42, the flexible body of rod 44 of third The three stage structure of " intermediate thick both sides thin ", the three stage structure can make the first flexible body of rod 40 and the second flexible body of rod 42 from The first opening and the second opening put in respectively or stretch out the flexible body of rod 44 of third, and the support effect reached is also more preferable.
It is understood that the shape of above-mentioned telescopic rod 38 is diversified, wherein the first flexible body of rod 40, second stretching The contracting body of rod 42 and third stretch the body of rod 44 in prism-shaped or cylindric.In order to guarantee that support force, telescopic rod 38 are needed using hard Material preparation, such as alloy, stainless steel.In the method, the first flexible body of rod 40, the second flexible body of rod 42 and third are stretched The contracting body of rod 44 is cylindrical, and the outer diameter length of the first flexible body of rod 40 and the second flexible body of rod 42 is respectively L1And L2, third stretches The interior electrical path length of the contracting body of rod 44 is L3, the L1、L2、L3Meet relationship: L3=(1.5-2.5) * L1, L3=(1.5-2.5) * L2, this Sample is able to ascend the stability of strutting system of insulating bar.In addition, in order to be more in line with the size of manpower, the flexible body of rod 44 of the third Interior electrical path length L3Value range be 6-10cm, the outer diameter length difference of the first flexible body of rod 40 and the second flexible body of rod 42 For L1And L2Value range be 4-8cm.In the method, the interior electrical path length L of the flexible body of rod 44 of the third3Value range be 8cm, the outer diameter length L of the first flexible body of rod 401With the outer diameter length L of the second flexible body of rod 422Value be 6cm.
In order to which the first flexible body of rod 40 and the second flexible body of rod 42 can be realized rapidly and the flexible body of rod 44 of third respectively Fixation, as shown in fig. 6, first stopper mechanism 50 includes fixed through be arranged in that third stretches on the body of rod 44 several first Position hole 52, several first fixation holes 54 for being mounted on the first flexible body of rod 40, several first positioning holes 52 are stretched along third The length direction of the contracting body of rod 44 is arranged successively, and the distance that first positioning hole 52 to the first is open is less than first positioning hole 52 to the The distance of two openings, the first positioning hole 52 are corresponded with first fixation hole 54 and are fixedly connected by fixing piece; As shown in fig. 6, second stopper mechanism 56 include through be arranged in third stretch several second location holes 58 on the body of rod 44, Several second fixation holes 60 being mounted on the second flexible body of rod 42, several second location holes 58 are stretched the body of rod 44 along third Length direction be arranged successively, and second location hole 58 to the second be open distance be less than first positioning hole 52 to the first be open Distance, the second location hole 58 are corresponded with second fixation hole 60 and are fixedly connected by fixing piece.Wherein, described The fit structure of fixation hole and location hole is simple and effective, easy to operate.Preferably, the first positioning hole 52 and the second positioning The quantity in hole 58 is 4-5, and the quantity of first fixation hole 54 and second fixation hole 60 is 3-4.
Fitting yoke plate is more easily tangled in order to link up with 66, as shown in figure 8, the hook 66 includes interconnecting piece 68 and U One end of type hook portion 70, the hook 66 is fixedly connected by bolt with the second end of telescopic rod 38, the other end and U-shaped hook portion 70 one end is connected as one, and the opening in the U-shaped hook portion 70 is towards lead screw tightener 26.The hook 66 passes through 68 energy of interconnecting piece Enough fixations realized with telescopic rod 38, and by adjusting the angle and interconnecting piece 68 between interconnecting piece 68 and U-shaped hook portion 70 Length keeps U-shaped hook portion 70 more obvious and prominent, it is ensured that U-shaped hook portion 70 can catch on fitting yoke plate in high-altitude more stablely, keep away Exempt from the influence of telescopic rod 38.
Working principle: firstly, operator extends telescopic rod 38, hook 66 is made to tangle the triangle of connecting insulator string First guide blot bar 2 and the second guide blot bar 12 are arranged in parallel in fixation thereafter by the smooth outer wall of fitting yoke plate respectively On the outside of the both sides of fashioned iron 92, the first angle bar 4 of adjustment is mobile to make it clamp an edge of fixed fashioned iron 92, and adjusts the first butterfly spiral shell Mother 10 compresses the first angle bar 4 and realizes fixation;Adjusting the movement of the second angle bar 14 makes it clamp the another side edge of fixed fashioned iron 92, and adjusts Whole second wing nut 20 compresses the second angle bar 14 and realizes fixation;Finally, rotating rocker 32 drives rotating nuts 30 and screw set Cylinder 34 rotates, and makes lead screw towards the mobile tension for realizing hook 66 with fitting yoke plate in 12 direction of the second guide blot bar, that is, realizes The installation of insulating bar.When needing to remove insulating bar, equally rotating nuts 30 are driven to rotate by rocking bar 32, and control lead screw court To the mobile release for realizing hook 66 with fitting yoke plate in 66 directions of hook, separates hook 66 with fitting yoke plate, unclamp again First angle bar 4 and the second angle bar 14.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar, characterized in that it comprises:
First guide blot bar (2) is fixed with nut in first end, and passes through the nut and the second guide blot bar (12) First end it is vertical and be threadedly coupled, be threaded with the first wing nut (10) on the other end;
First angle bar (4) is located between the first end and the first wing nut (10) of the first guide blot bar (2), described first Guide blot bar (2) passes perpendicularly through and stretches out one end of first angle bar (4), and the two is threadedly coupled, and the first angle bar (4) The other end and the first guide blot bar (2) are arranged in parallel and extend towards the second guide spiro rod (12) direction;
Second guide blot bar (12), after the second end far from the first guide blot bar (2) passes through the second wing nut (20) It is fixedly connected with the first end of lead screw tightener (26);
Second wing nut (20), screw thread are set on the second guide blot bar (12);
Second angle bar (14) is located between the first end and the second wing nut (10) of the second guide blot bar (12), and described the Two guide blot bars (12) pass perpendicularly through and stretch out one end of second angle bar (14), and the two is threadedly coupled, and the second angle bar (14) the other end and the second guide blot bar (12) is arranged in parallel and extends towards the first guide spiro rod (2) direction;
Lead screw tightener (26), the first end of second end and telescopic rod (38) far from the second guide blot bar (12) is fixed to be connected It connects;
Telescopic rod (38), the second end far from lead screw tightener (26) are fixedly installed with hook (66).
2. a kind of 1 disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar, feature according to claim exist In first angle bar (4) includes the first cross level angle iron portion (6), the first vertical angle iron portion (8) and nut A (9), first cross level angle The first end end in iron portion (6) is fixedly connected with the lateral wall of the nut A (9), and the nut A (9) is set in the first guiding spiral shell It is threadedly coupled on tightening latch (2) with the first guide blot bar (2), the second end of the first cross level angle iron portion (6) is perpendicular with first The first end in angle bar portion (8) is vertical and is connected as one, second end of the first vertical angle iron portion (8) far from the first cross level angle iron portion (6) Extend towards the second guide blot bar (12) direction;
Second angle bar (14) includes the second cross level angle iron portion (16), the second vertical angle iron portion (18) and nut B (19), second vertical angle The first end end in iron portion (18) is fixedly connected with the lateral wall of the nut B (19), and the nut B (19) is set in the second guiding It is threadedly coupled on shank of bolt (12) with the second guide blot bar (12), the second end of the second vertical angle iron portion (18) and the The first end in two cross level angle iron portions (16) is vertical and is connected as one, and the second cross level angle iron portion (16) is far from the second vertical angle iron portion (18) Second end extends towards the first guide blot bar (2) direction.
3. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 1 or 2, feature It is, further includes the first stop nut (80) being located on the first guide blot bar (2) and the second stop nut (82), is located at Third stop nut (84) and the 4th stop nut (86) on two guide blot bars (12), the first stop nut (80) are located at the Between one angle bar (4) and the first end of the first guide blot bar (2), the second stop nut (82) is located at the first wing nut (10) Between the second end of the first guide blot bar (2);Third stop nut (84) is located at the second angle bar (14) and the second guiding spiral shell Between the first end of tightening latch (12), the 4th stop nut (86) is located at the first end of the second wing nut (20) and telescopic rod (38) Between.
4. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 1 or 2, feature It is, the lead screw tightener (26) includes lead screw (28), rotating nuts (30), rocking bar (32), lead screw sleeve (34), screw set There are being set on lead screw (28) with gap, one end is fixedly connected cylinder (34) with the rotating nuts (30);Rotating nuts (30) it is set on lead screw (28), the rocking bar (32) is fixedly mounted on lateral wall;The first end of lead screw (28) passes through bolt It is fixedly connected with the second end of the second guide blot bar (12), second end is fixed by the first end of bolt and telescopic rod (38) Connection.
5. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 1 or 2, feature It is, the telescopic rod (38) includes that the first flexible body of rod (40), the second flexible body of rod (42) and third are stretched the body of rod (44), the The three flexible bodies of rod (44) are that both ends are respectively provided with the hollow structures of the first opening and the second opening, the of the first flexible body of rod (40) One end passes through the first opening and is threaded through in third flexible the body of rod (44), and passes through the first stopper mechanism (50) and the flexible body of rod of third (44) it being fixedly connected, the first end of the second flexible body of rod (42) is threaded through in third flexible the body of rod (44) by the second opening, and It is fixedly connected by the second stopper mechanism (56) with the third flexible body of rod (44);
The second end of the first flexible body of rod (40) be equipped with through the first flexible body of rod (40) and bolt match for institute The first tapped through hole (46) of lead screw tightener (26) connection is stated, the second end of the second flexible body of rod (42), which is equipped with, runs through second Second tapped through hole (48) to match with bolt for being connect with the hook (66) of flexible body of rod (42).
6. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 5, feature exist In the first flexible body of rod (40), the second flexible body of rod (42) and third are stretched, and the body of rod (44) are cylindrical, and first is flexible The body of rod (40) and the outer diameter length of the second flexible body of rod (42) are respectively L1And L2, the stretch interior electrical path length of the body of rod (44) of third is L3, the L1、L2、L3Meet relationship: L3=(1.5-2.5) * L1, L3=(1.5-2.5) * L2
7. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 6, feature exist It stretches the interior electrical path length L of the body of rod (44) in, the third3Value range be 6-10cm, the first flexible body of rod (40) Outer diameter length L1With the outer diameter length L of the second flexible body of rod (42)2Value range be 4-8cm.
8. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 5, feature exist In, first stopper mechanism (50) include stretch through setting in third several first positioning holes (52) on the body of rod (44), Several first fixation holes (54) being mounted on the first flexible body of rod (40), several first positioning holes (52) are flexible along third The length direction of the body of rod (44) is arranged successively, and the distance of first positioning hole (52) to the first opening is less than first positioning hole (52) To the distance of the second opening, the first positioning hole (52) and the first fixation hole (54) correspond and connect by the way that fixing piece is fixed It connects;
Second stopper mechanism (56) include stretch through setting in third several second location holes (58) on the body of rod (44), Several second fixation holes (60) being mounted on the second flexible body of rod (42), several second location holes (58) are flexible along third The length direction of the body of rod (44) is arranged successively, and the distance of second location hole (58) to the second opening is less than first positioning hole (52) To the distance of the first opening, the second location hole (58) and second fixation hole (60) correspond and are consolidated by fixing piece Fixed connection.
9. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 8, feature exist In, the quantity of the first positioning hole (52) and second location hole (58) be 4-5, first fixation hole (54) and described The quantity of second fixation hole (60) is 3-4.
10. a kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar according to claim 1 or 2, special Sign is that the hook (66) includes interconnecting piece (68) and U-shaped hook portion (70), and one end of the hook (66) passes through bolt and stretches The second end of contracting bar (38) is fixedly connected, and the other end and the one end of U-shaped hook portion (70) are connected as one, the U-shaped hook portion (70) opening is towards the lead screw tightener (26).
CN201910774797.3A 2019-08-21 2019-08-21 A kind of disengaging extra-high voltage strain rod tower insulator chain supplementary insulation bar Pending CN110492384A (en)

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CN115764772A (en) * 2022-11-30 2023-03-07 国网北京市电力公司 Insulating cross arm for distribution line and use method
CN117554942A (en) * 2024-01-11 2024-02-13 江苏翰林正川工程技术有限公司 Method and device for monitoring tree line distance of transmission line based on millimeter wave radar

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