CN111934267A - Split type multi-bundle conductor spacing fixing device - Google Patents

Split type multi-bundle conductor spacing fixing device Download PDF

Info

Publication number
CN111934267A
CN111934267A CN202010641509.XA CN202010641509A CN111934267A CN 111934267 A CN111934267 A CN 111934267A CN 202010641509 A CN202010641509 A CN 202010641509A CN 111934267 A CN111934267 A CN 111934267A
Authority
CN
China
Prior art keywords
connecting plate
bolt
screw rod
split
hook
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010641509.XA
Other languages
Chinese (zh)
Inventor
刘洪吉
徐北方
杨帅
李刚涛
王军
康淑丰
梁利辉
赵志刚
吴二波
高章林
赵越
李吉林
杨霄
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.)
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei 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.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Maintenance Branch of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202010641509.XA priority Critical patent/CN111934267A/en
Publication of CN111934267A publication Critical patent/CN111934267A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/12Devices for maintaining distance between parallel conductors, e.g. spacer
    • 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

Landscapes

  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses a split type multi-split conductor spacing fixing device, which comprises: the first end of the screw rod is provided with left-handed threads, the second end of the screw rod is provided with right-handed threads, and the screw rod is provided with a deflector rod; the first side surface of the first connecting plate is provided with a left-handed threaded hole, and the first end of the screw rod is in threaded connection with the threaded hole of the first connecting plate; a right-handed threaded hole is formed in the first side face of the second connecting plate, and the second end of the screw rod is in threaded connection with the threaded hole of the second connecting plate; the wire guide hook comprises a first wire guide hook and a second wire guide hook; the first wire hook is fixedly connected with the second side surface of the first connecting plate; the second wire hook is fixedly connected with the second side surface of the second connecting plate. The invention can provide stable and reliable support for operators and avoid the dangerous situations of side turning and the like of the operators on unstable leads.

Description

Split type multi-bundle conductor spacing fixing device
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to a split type multi-bundle conductor spacing fixing device.
Background
Overhead transmission line wire is through long-term operation, can appear "wire damage, strand breakage" a series of defects such as, need the operating personnel to walk to the operation point along the wire and overhaul, at this in-process, because wire damage, its bearing capacity descend, receive the operating personnel to trample and can deviate its original position by a wide margin, can't develop work when causing the influence, serious to maintenance work, and because the wire is unstable, the condition such as the personnel appear turning on one's side easily, landing influences operation safety.
For the situation, no special tool or method is provided for solving the problem at present, and in the actual production, the 500kV power transmission line adopting the four-split conductor is most prone to the problem, on one hand, the distance between the spacers of the 500kV power transmission line can reach 60 meters, and the arc sag is large due to the large span; on the other hand, the conductor below the four-split can not travel along the conductor, and the conductor above the four-split can still keep the whole stability under the condition that a single sub-conductor is damaged.
Disclosure of Invention
The invention provides a split type multi-split conductor spacing fixing device which can provide stable and reliable support for operating personnel.
The invention adopts the following technical scheme:
a split multi-split conductor spacing fixture, comprising:
the first end of the screw rod is provided with left-handed threads, the second end of the screw rod is provided with right-handed threads, and the screw rod is provided with a deflector rod which is perpendicular to the screw rod;
the first side surface of the first connecting plate is provided with a left-handed threaded hole, and the first end of the screw rod is in threaded connection with the threaded hole of the first connecting plate; a right-handed threaded hole is formed in the first side face of the second connecting plate, and the second end of the screw rod is in threaded connection with the threaded hole of the second connecting plate;
the wire guide hook comprises a first wire guide hook and a second wire guide hook; the first wire hook is fixedly connected with the second side surface of the first connecting plate, and the first side surface of the first connecting plate is opposite to the second side surface of the first connecting plate; the second wire hook is fixedly connected with the second side surface of the second connecting plate, and the first side surface of the second connecting plate is opposite to the second side surface of the first connecting plate.
Furthermore, the third side surface of the first connecting plate and the third side surface of the second connecting plate are respectively provided with a bolt hole, the third side surface of the first connecting plate is perpendicular to the first side surface of the first connecting plate, and the third side surface of the second connecting plate is perpendicular to the first side surface of the second connecting plate.
Further, the fixing bolt penetrates through the first connecting plate bolt hole or the second connecting plate bolt hole.
Furthermore, the fixing bolt is provided with a bolt body and a bolt cap, the bolt cap is in a fan shape, and the fan-shaped plane of the bolt cap is parallel to the axis of the bolt body.
Further, the first connecting plate bolt hole or the second connecting plate bolt hole is a threaded hole, and the first connecting plate bolt hole thread or the second connecting plate bolt hole thread is matched with the fixing bolt thread.
Furthermore, the outer surface of the bolt cap of the fixing bolt is covered with a rubber layer, and the rubber layer covered on the outer surface of the bolt cap of the fixing bolt is provided with a hemispherical bulge.
Further, the opening of the wire hook is 3/4 circular arcs.
Furthermore, an annular groove is formed in one side, close to the bolt cap, of the fixing bolt body, an annular protrusion is arranged on the first connecting plate bolt hole or the second connecting plate bolt hole, and the annular protrusion is matched with the fixing bolt annular groove.
Furthermore, a rubber pad is arranged in the wire hook, and a concave pit is arranged on the surface of the rubber pad.
Furthermore, the wire hook is provided with a blocking piece and a pressure spring, one end of the blocking piece is hinged to the wire hook, the other end of the blocking piece is arranged on the inner side of the wire hook, and the pressure spring is used for pressing the blocking piece.
The invention has the following positive effects:
(1) the support can provide stable and reliable support for the operating personnel, and avoids the dangerous conditions of side turning and the like of the operating personnel on an unstable lead;
(2) the space between the wires can meet the design requirement, and the standardized operation of additionally installing and replacing the spacer and repairing the wires is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an application of embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of an application of embodiment 2 of the present invention;
fig. 4 is a schematic view of a baffle and a pressure spring according to embodiment 4 of the present invention;
fig. 5 is a schematic structural view of the fixing bolt of the present invention.
In the figure:
1 a first connecting plate;
2 a second connecting plate;
3, a screw rod;
4 a first wire hook;
5 a second wire hook;
6, fixing a bolt; 6-1 bolt body; 6-2 bolt caps;
7, a baffle plate;
8, pressing a spring;
9. and a deflector rod 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-2, a split multi-split conductor spacing fixing device includes: the first end of the screw rod 3 is provided with left-handed threads, the second end of the screw rod 3 is provided with right-handed threads, the screw rod 3 is provided with a deflector rod 9, and the deflector rod 9 is perpendicular to the screw rod 3; the first side surface of the first connecting plate 1 is provided with a left-handed threaded hole, and the first end of the screw rod 3 is in threaded connection with the threaded hole of the first connecting plate 1; a right-handed threaded hole is formed in the first side face of the second connecting plate 2, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2; the wire guide hook comprises a first wire guide hook 4 and a second wire guide hook 5; the first wire hook 4 is fixedly connected with the second side surface of the first connecting plate 1, and the first side surface of the first connecting plate 1 is opposite to the second side surface of the first connecting plate 1; the second wire hook 5 is fixedly connected with the second side surface of the second connecting plate 2, and the first side surface of the second connecting plate 2 is opposite to the second side surface of the first connecting plate 1.
More specifically, split type many divided conductors main part includes lead screw 3, first connecting plate 1, second connecting plate 2, first wire hook 4 and second wire hook 5, and lead screw 3 is equipped with two ends, and first end is the left-handed screw, and the second end is the right-handed screw, still is equipped with the driving lever 9 that sets up with 3 fixed connection of lead screw on the lead screw 3, and driving lever 9 is used for driving lead screw 3 and produces the rotation effect. The deflector rod 9 of the present embodiment is provided in the middle of the screw rod 3, and is welded to the screw rod 3.
The first connecting plate 1 is of a cuboid structure, a threaded hole is formed in the side face of the first connecting plate 1 and is a left-handed threaded hole, and the threaded hole of the first connecting plate 1 is in threaded connection with the first end of the screw rod 3.
The second connecting plate 2 and the first connecting plate 1 are symmetrically arranged, the side face of the second connecting plate is also provided with a threaded hole, the threaded hole is different from the threaded hole of the first connecting plate 1, the threaded hole of the second connecting plate 2 is a right-handed threaded hole, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2.
The third side of the first connecting plate 1 and the third side of the second connecting plate 2 are respectively provided with a bolt hole, the third side of the first connecting plate 1 is perpendicular to the first side of the first connecting plate 1, and the third side of the second connecting plate 2 is perpendicular to the first side of the second connecting plate 2.
Further, the fixing bolt 6 is further included, and the fixing bolt 6 penetrates through the bolt hole of the first connecting plate 1 or the bolt hole of the second connecting plate 2.
As shown in FIG. 5, the fixing bolt 6 is provided with a bolt body 6-1 and a bolt cap 6-2, the bolt cap 6-2 is in a fan shape, and the fan-shaped plane of the bolt cap 6-2 is arranged parallel to the axis of the bolt body 6-1.
The bolt holes of the first connecting plate 1 or the second connecting plate 2 are threaded holes, and the bolt hole threads of the first connecting plate 1 or the bolt hole threads of the second connecting plate 2 are matched with the threads of the fixing bolt 6.
The outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer, and the outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer and provided with hemispherical bulges.
The opening of the wire guide hook is 3/4 circular arcs
In this embodiment, the device of the present invention is applied to the quad-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
The lead screw 3 is respectively arranged between the first connecting plate 1 and the second connecting plate 2, as shown in fig. 1, the shift lever 9 is shifted to enable the lead screw 3 to slide on the first connecting plate 1 and the second connecting plate 2 through threaded fit, so that the distance between the first connecting plate 1 and the second connecting plate 2 is adjusted to adapt to actual needs.
The first connecting plate 1 and the second connecting plate 2 are each in the shape of a square, and the first side, the second side and the third side of the first connecting plate 11 are explained with reference to fig. 1: the first side surface is a plane on the left side of the first connecting plate 11, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the first side and the second side are respectively arranged at the left end and the right end of the third side, and the first side and the second side are both perpendicular to the third side.
The first side, the second side and the third side of the second connecting plate 21 are explained with reference to fig. 1: the first side surface is a plane on the right side of the second connecting plate 21, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the left end and the right end of the third side are the second side and the first side respectively, and the first side and the second side are both perpendicular to the third side.
The first wire hook 4 and the second wire hook 5 are hook structures and are respectively arranged on the second side surfaces of the first connecting plate 11 and the second connecting plate 2. The inner sides of the arc structures of the first wire hook 4 and the second wire form an arc space for hooking the wires.
The four-wire lead screw type wire fixing device comprises a lead screw 3, a first connecting plate 1, a second connecting plate 2 and a wire hook, wherein the lead screw, the first connecting plate, the second connecting plate and the wire hook form a group, four groups are arranged in a four-split mode, every two lead screws are vertically connected end to form a square, the four lead screws 3 are arranged on four sides, the first connecting plate 1 of one group and the second connecting plate 2 of the other adjacent group are vertically arranged, and fixing is achieved after the first connecting plate 1 of one group and the second connecting plate 2. After the first connecting plate 1 of one group and the second connecting plate 2 of another adjacent group are vertically arranged, the first wire hook 4 on the first connecting plate 1 of one group is matched with the second wire hook 5 on the second connecting plate 2 of another adjacent group, and a circular through hole is formed between the two wire hooks for enabling the wire column to penetrate out.
When the fixing bolt is fixed, the fixing bolt 6 penetrates through the first connecting plate 1 and the second connecting plate 2 of the two adjacent groups, and the bolt cap 6-2 is used for providing an acting point when the fixing bolt 6 is installed, so that the fixing bolt is convenient to use and plays an insulating role. The rubber covering layer on the outer surface of the bolt cap 6-2 of the fixing bolt 6 is provided with hemispherical bulges, so that the antiskid effect is achieved.
During the use, compare with prior art, this device's beneficial effect is:
1) the support can provide stable and reliable support for the operating personnel, and avoids the dangerous conditions of side turning and the like of the operating personnel on an unstable lead;
2) the space between the wires can meet the design requirement, and the standardized operation of additionally installing and replacing the spacer and repairing the wires is facilitated.
Example 2
As shown in fig. 1 and 3, a split type multi-split conductor interval fixing device includes: the first end of the screw rod 3 is provided with left-handed threads, the second end of the screw rod 3 is provided with right-handed threads, the screw rod 3 is provided with a deflector rod 9, and the deflector rod 9 is perpendicular to the screw rod 3; the first side surface of the first connecting plate 1 is provided with a left-handed threaded hole, and the first end of the screw rod 3 is in threaded connection with the threaded hole of the first connecting plate 1; a right-handed threaded hole is formed in the first side face of the second connecting plate 2, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2; the wire guide hook comprises a first wire guide hook 4 and a second wire guide hook 5; the first wire hook 4 is fixedly connected with the second side surface of the first connecting plate 1, and the first side surface of the first connecting plate 1 is opposite to the second side surface of the first connecting plate 1; the second wire hook 5 is fixedly connected with the second side surface of the second connecting plate 2, and the first side surface of the second connecting plate 2 is opposite to the second side surface of the first connecting plate 1.
More specifically, split type many divided conductors main part includes lead screw 3, first connecting plate 1, second connecting plate 2, first wire hook 4 and second wire hook 5, and lead screw 3 is equipped with two ends, and first end is the left-handed screw, and the second end is the right-handed screw, still is equipped with the driving lever 9 that sets up with 3 fixed connection of lead screw on the lead screw 3, and driving lever 9 is used for driving lead screw 3 and produces the rotation effect. The deflector rod 9 of the present embodiment is provided in the middle of the screw rod 3, and is welded to the screw rod 3.
The first connecting plate 1 is of a cuboid structure, a threaded hole is formed in the side face of the first connecting plate 1 and is a left-handed threaded hole, and the threaded hole of the first connecting plate 1 is in threaded connection with the first end of the screw rod 3.
The second connecting plate 2 and the first connecting plate 1 are symmetrically arranged, the side face of the second connecting plate is also provided with a threaded hole, the threaded hole is different from the threaded hole of the first connecting plate 1, the threaded hole of the second connecting plate 2 is a right-handed threaded hole, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2.
The third side of the first connecting plate 1 and the third side of the second connecting plate 2 are respectively provided with a bolt hole, the third side of the first connecting plate 1 is perpendicular to the first side of the first connecting plate 1, and the third side of the second connecting plate 2 is perpendicular to the first side of the second connecting plate 2.
Further, the fixing bolt 6 is further included, and the fixing bolt 6 penetrates through the bolt hole of the first connecting plate 1 or the bolt hole of the second connecting plate 2.
The fixing bolt 6 is provided with a bolt body 6-1 and a bolt cap 6-2, the bolt cap 6-2 is fan-shaped, and the fan-shaped plane of the bolt cap 6-2 is parallel to the axis of the bolt body 6-1.
The bolt holes of the first connecting plate 1 or the second connecting plate 2 are threaded holes, and the bolt hole threads of the first connecting plate 1 or the bolt hole threads of the second connecting plate 2 are matched with the threads of the fixing bolt 6.
The outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer, and the outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer and is provided with hemispherical bulges.
The wire hook opening is 3/4 arcs.
In this embodiment, the device of the present invention is applied to the six-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
In this embodiment, the device of the present invention is applied to the six-split mode.
The lead screw 3 is respectively arranged between the first connecting plate 1 and the second connecting plate 2, as shown in fig. 1, the shift lever 9 is shifted to enable the lead screw 3 to slide on the first connecting plate 1 and the second connecting plate 2 through threaded fit, so that the distance between the first connecting plate 1 and the second connecting plate 2 is adjusted to adapt to actual needs.
The first connecting plate 1 and the second connecting plate 2 are each in the shape of a square, and the first side, the second side and the third side of the first connecting plate 11 are explained with reference to fig. 1: the first side surface is a plane on the left side of the first connecting plate 11, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the first side and the second side are respectively arranged at the left end and the right end of the third side, and the first side and the second side are both perpendicular to the third side.
The first side, the second side and the third side of the second connecting plate 21 are explained with reference to fig. 1: the first side surface is a plane on the right side of the second connecting plate 21, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the left end and the right end of the third side are the second side and the first side respectively, and the first side and the second side are both perpendicular to the third side.
The first wire hook 4 and the second wire hook 5 are hook structures and are respectively arranged on the second side surfaces of the first connecting plate 11 and the second connecting plate 2. The inner sides of the arc structures of the first wire hook 4 and the second wire form an arc space for hooking the wires.
The lead screw 3, the first connecting plate 1, the second connecting plate 2 and the wire hook form a group, four groups are arranged in a four-split mode, every two lead screws are vertically connected end to form a hexagonal structure, the six lead screws 3 are positioned on six sides, the first connecting plate 1 of one group and the second connecting plate 2 of the other adjacent group are vertically arranged, and fixing is realized after the first connecting plate 1 of one group and the second connecting plate 2 of the other adjacent group penetrate through the two connecting plates through the fixing bolts 6, so that six vertexes of the hexagonal structure are formed. After the first connecting plate 1 of one group and the second connecting plate 2 of another adjacent group are vertically arranged, the first wire hook 4 on the first connecting plate 1 of one group is matched with the second wire hook 5 on the second connecting plate 2 of another adjacent group, and a circular through hole is formed between the two wire hooks for enabling the wire column to penetrate out.
When the fixing bolt is fixed, the fixing bolt 6 penetrates through the first connecting plate 1 and the second connecting plate 2 of the two adjacent groups, and the bolt cap 6-2 is used for providing an acting point when the fixing bolt 6 is installed, so that the fixing bolt is convenient to use and plays an insulating role. The rubber covering layer on the outer surface of the bolt cap 6-2 of the fixing bolt 6 is provided with hemispherical bulges, so that the antiskid effect is achieved.
In this embodiment, the device of the present invention is applied to the six-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
Example 3
The embodiment provides a split type multi-split conductor spacing fixing device, includes: the first end of the screw rod 3 is provided with left-handed threads, the second end of the screw rod 3 is provided with right-handed threads, the screw rod 3 is provided with a deflector rod 9, and the deflector rod 9 is perpendicular to the screw rod 3; the first side surface of the first connecting plate 1 is provided with a left-handed threaded hole, and the first end of the screw rod 3 is in threaded connection with the threaded hole of the first connecting plate 1; a right-handed threaded hole is formed in the first side face of the second connecting plate 2, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2; the wire guide hook comprises a first wire guide hook 4 and a second wire guide hook 5; the first wire hook 4 is fixedly connected with the second side surface of the first connecting plate 1, and the first side surface of the first connecting plate 1 is opposite to the second side surface of the first connecting plate 1; the second wire hook 5 is fixedly connected with the second side surface of the second connecting plate 2, and the first side surface of the second connecting plate 2 is opposite to the second side surface of the first connecting plate 1.
More specifically, split type many divided conductors main part includes lead screw 3, first connecting plate 1, second connecting plate 2, first wire hook 4 and second wire hook 5, and lead screw 3 is equipped with two ends, and first end is the left-handed screw, and the second end is the right-handed screw, still is equipped with the driving lever 9 that sets up with 3 fixed connection of lead screw on the lead screw 3, and driving lever 9 is used for driving lead screw 3 and produces the rotation effect. The deflector rod 9 of the present embodiment is provided in the middle of the screw rod 3, and is welded to the screw rod 3.
The first connecting plate 1 is of a cuboid structure, a threaded hole is formed in the side face of the first connecting plate 1 and is a left-handed threaded hole, and the threaded hole of the first connecting plate 1 is in threaded connection with the first end of the screw rod 3.
The second connecting plate 2 and the first connecting plate 1 are symmetrically arranged, the side face of the second connecting plate is also provided with a threaded hole, the threaded hole is different from the threaded hole of the first connecting plate 1, the threaded hole of the second connecting plate 2 is a right-handed threaded hole, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2.
The third side of the first connecting plate 1 and the third side of the second connecting plate 2 are respectively provided with a bolt hole, the third side of the first connecting plate 1 is perpendicular to the first side of the first connecting plate 1, and the third side of the second connecting plate 2 is perpendicular to the first side of the second connecting plate 2.
Further, the fixing bolt 6 is further included, and the fixing bolt 6 penetrates through the bolt hole of the first connecting plate 1 or the bolt hole of the second connecting plate 2.
The fixing bolt 6 is provided with a bolt body 6-1 and a bolt cap 6-2, the bolt cap 6-2 is fan-shaped, and the fan-shaped plane of the bolt cap 6-2 is parallel to the axis of the bolt body 6-1.
The bolt holes of the first connecting plate 1 or the second connecting plate 2 are threaded holes, and the bolt hole threads of the first connecting plate 1 or the bolt hole threads of the second connecting plate 2 are matched with the threads of the fixing bolt 6.
The outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer, and the outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer and is provided with hemispherical bulges.
The wire hook opening is 3/4 arcs.
In this embodiment, the apparatus of the present invention is applied to the eight-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
In this embodiment, the apparatus of the present invention is applied to the eight-split mode.
The lead screw 3 is respectively arranged between the first connecting plate 1 and the second connecting plate 2, as shown in fig. 1, the shift lever 9 is shifted to enable the lead screw 3 to slide on the first connecting plate 1 and the second connecting plate 2 through threaded fit, so that the distance between the first connecting plate 1 and the second connecting plate 2 is adjusted to adapt to actual needs.
The first connecting plate 1 and the second connecting plate 2 are each in the shape of a square, and the first side, the second side and the third side of the first connecting plate 11 are explained with reference to fig. 1: the first side surface is a plane on the left side of the first connecting plate 11, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the first side and the second side are respectively arranged at the left end and the right end of the third side, and the first side and the second side are both perpendicular to the third side.
The first side, the second side and the third side of the second connecting plate 21 are explained with reference to fig. 1: the first side surface is a plane on the right side of the second connecting plate 21, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the left end and the right end of the third side are the second side and the first side respectively, and the first side and the second side are both perpendicular to the third side.
The first wire hook 4 and the second wire hook 5 are hook structures and are respectively arranged on the second side surfaces of the first connecting plate 11 and the second connecting plate 2. The inner sides of the arc structures of the first wire hook 4 and the second wire form an arc space for hooking the wires.
In the invention, a screw rod 3, a first connecting plate 1, a second connecting plate 2 and a wire hook form a group, four groups are arranged in a four-split mode, every two screw rods are vertically connected end to form an octagonal structure, eight screw rods 3 are positioned on eight sides, the first connecting plate 1 of one group and the second connecting plate 2 of the other adjacent group are vertically arranged and penetrate through the two connecting plates through fixing bolts 6 to realize fixing, and thus eight vertexes of a hexagonal structure are formed. After the first connecting plate 1 of one group and the second connecting plate 2 of another adjacent group are vertically arranged, the first wire hook 4 on the first connecting plate 1 of one group is matched with the second wire hook 5 on the second connecting plate 2 of another adjacent group, and a circular through hole is formed between the two wire hooks for enabling the wire column to penetrate out.
When the fixing bolt is fixed, the fixing bolt 6 penetrates through the first connecting plate 1 and the second connecting plate 2 of the two adjacent groups, and the bolt cap 6-2 is used for providing an acting point when the fixing bolt 6 is installed, so that the fixing bolt is convenient to use and plays an insulating role. The rubber covering layer on the outer surface of the bolt cap 6-2 of the fixing bolt 6 is provided with hemispherical bulges, so that the antiskid effect is achieved.
In this embodiment, the apparatus of the present invention is applied to the eight-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
Example 4
As shown in fig. 1 and 3, a split type multi-split conductor interval fixing device includes: the first end of the screw rod 3 is provided with left-handed threads, the second end of the screw rod 3 is provided with right-handed threads, the screw rod 3 is provided with a deflector rod 9, and the deflector rod 9 is perpendicular to the screw rod 3; the first side surface of the first connecting plate 1 is provided with a left-handed threaded hole, and the first end of the screw rod 3 is in threaded connection with the threaded hole of the first connecting plate 1; a right-handed threaded hole is formed in the first side face of the second connecting plate 2, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2; the wire guide hook comprises a first wire guide hook 4 and a second wire guide hook 5; the first wire hook 4 is fixedly connected with the second side surface of the first connecting plate 1, and the first side surface of the first connecting plate 1 is opposite to the second side surface of the first connecting plate 1; the second wire hook 5 is fixedly connected with the second side surface of the second connecting plate 2, and the first side surface of the second connecting plate 2 is opposite to the second side surface of the first connecting plate 1.
More specifically, split type many divided conductors main part includes lead screw 3, first connecting plate 1, second connecting plate 2, first wire hook 4 and second wire hook 5, and lead screw 3 is equipped with two ends, and first end is the left-handed screw, and the second end is the right-handed screw, still is equipped with the driving lever 9 that sets up with 3 fixed connection of lead screw on the lead screw 3, and driving lever 9 is used for driving lead screw 3 and produces the rotation effect. The deflector rod 9 of the present embodiment is provided in the middle of the screw rod 3, and is welded to the screw rod 3.
The first connecting plate 1 is of a cuboid structure, a threaded hole is formed in the side face of the first connecting plate 1 and is a left-handed threaded hole, and the threaded hole of the first connecting plate 1 is in threaded connection with the first end of the screw rod 3.
The second connecting plate 2 and the first connecting plate 1 are symmetrically arranged, the side face of the second connecting plate is also provided with a threaded hole, the threaded hole is different from the threaded hole of the first connecting plate 1, the threaded hole of the second connecting plate 2 is a right-handed threaded hole, and the second end of the screw rod 3 is in threaded connection with the threaded hole of the second connecting plate 2.
The third side of the first connecting plate 1 and the third side of the second connecting plate 2 are respectively provided with a bolt hole, the third side of the first connecting plate 1 is perpendicular to the first side of the first connecting plate 1, and the third side of the second connecting plate 2 is perpendicular to the first side of the second connecting plate 2.
Further, the fixing bolt 6 is further included, and the fixing bolt 6 penetrates through the bolt hole of the first connecting plate 1 or the bolt hole of the second connecting plate 2.
The fixing bolt 6 is provided with a bolt body 6-1 and a bolt cap 6-2, the bolt cap 6-2 is fan-shaped, and the fan-shaped plane of the bolt cap 6-2 is parallel to the axis of the bolt body 6-1.
The bolt holes of the first connecting plate 1 or the second connecting plate 2 are threaded holes, and the bolt hole threads of the first connecting plate 1 or the bolt hole threads of the second connecting plate 2 are matched with the threads of the fixing bolt 6.
The outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer, and the outer surface of the bolt cap 6-2 of the fixing bolt 6 is covered with a rubber layer and is provided with hemispherical bulges.
The wire hook opening is 3/4 arcs.
In this embodiment, the device of the present invention is applied to the six-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
In this embodiment, the device of the present invention is applied to the six-split mode.
The lead screw 3 is respectively arranged between the first connecting plate 1 and the second connecting plate 2, as shown in fig. 1, the shift lever 9 is shifted to enable the lead screw 3 to slide on the first connecting plate 1 and the second connecting plate 2 through threaded fit, so that the distance between the first connecting plate 1 and the second connecting plate 2 is adjusted to adapt to actual needs.
The first connecting plate 1 and the second connecting plate 2 are each in the shape of a square, and the first side, the second side and the third side of the first connecting plate 11 are explained with reference to fig. 1: the first side surface is a plane on the left side of the first connecting plate 11, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the first side and the second side are respectively arranged at the left end and the right end of the third side, and the first side and the second side are both perpendicular to the third side.
The first side, the second side and the third side of the second connecting plate 21 are explained with reference to fig. 1: the first side surface is a plane on the right side of the second connecting plate 21, is vertical to the paper surface and is used for installing the screw rod 3; the second side is the opposite side of the first side, the second side is also perpendicular to the paper, the third side is a plane connecting the first side and the second side, and is parallel to the paper, the left end and the right end of the third side are the second side and the first side respectively, and the first side and the second side are both perpendicular to the third side.
The first wire hook 4 and the second wire hook 5 are hook structures and are respectively arranged on the second side surfaces of the first connecting plate 11 and the second connecting plate 2. The inner sides of the arc structures of the first wire hook 4 and the second wire form an arc space for hooking the wires.
An annular groove is formed in one side, close to the bolt cap 6-2, of the bolt body 6-1 of the fixing bolt 6, an annular protrusion is arranged on the bolt hole of the first connecting plate 1 or the bolt hole of the second connecting plate 2, and the annular protrusion is matched with the annular groove of the fixing bolt 6. When the fixing bolt is installed, the annular bulge is clamped between the bolt body 6-1 and the bolt cap 6-2 of the fixing bolt 6, so that the fixing bolt 6 is not easy to slide out.
Furthermore, a rubber pad is arranged in the wire hook, and a concave pit is arranged on the surface of the rubber pad. This increases the reliability of the installation with the wires in the wire hook.
As shown in fig. 4, the wire hook is provided with a blocking piece 7 and a pressure spring 8, one end of the blocking piece 7 is hinged to the wire hook, the other end of the blocking piece 7 is arranged on the inner side of the wire hook, and the pressure spring 8 is used for pressing the blocking piece 7. This can increase the fixing firmness of the wire in the wire hook.
The lead screw 3, the first connecting plate 1, the second connecting plate 2 and the wire hook form a group, four groups are arranged in a four-split mode, every two lead screws are vertically connected end to form a hexagonal structure, the six lead screws 3 are positioned on six sides, the first connecting plate 1 of one group and the second connecting plate 2 of the other adjacent group are vertically arranged, and fixing is realized after the first connecting plate 1 of one group and the second connecting plate 2 of the other adjacent group penetrate through the two connecting plates through the fixing bolts 6, so that six vertexes of the hexagonal structure are formed. After the first connecting plate 1 of one group and the second connecting plate 2 of another adjacent group are vertically arranged, the first wire hook 4 on the first connecting plate 1 of one group is matched with the second wire hook 5 on the second connecting plate 2 of another adjacent group, and a circular through hole is formed between the two wire hooks for enabling the wire column to penetrate out.
When the fixing bolt is fixed, the fixing bolt 6 penetrates through the first connecting plate 1 and the second connecting plate 2 of the two adjacent groups, and the bolt cap 6-2 is used for providing an acting point when the fixing bolt 6 is installed, so that the fixing bolt is convenient to use and plays an insulating role. The rubber covering layer on the outer surface of the bolt cap 6-2 of the fixing bolt 6 is provided with hemispherical bulges, so that the antiskid effect is achieved.
In this embodiment, the device of the present invention is applied to the six-split mode.
In consideration of the fact that in practical application, various forms such as four-splitting, six-splitting, eight-splitting and the like exist, in order to guarantee high universality, the device is designed in a split mode, each set of assembly consists of a hydraulic screw rod and connecting plates at two ends of the hydraulic screw rod respectively, the head of each connecting plate is 3/4 circular arcs, the hydraulic screw rod is connected with the other set of assembly through a fixing bolt 6, and after all sub-wires are fixed in sequence, the length of the screw rod is adjusted, so that the distance can be fixed at an ideal length.
In order to achieve the purpose, the device adopts the following technical scheme:
the method comprises the following steps: carrying the fixing device to the position near the operation point, and selecting a proper position for installation;
step two: taking out one set of components, hooking the components on the lead by the lead, taking out the other set of components, and connecting the other set of components with the fastened components through fixing bolts 6;
step three: and repeating the second step, firmly fixing each sub-conductor, and adjusting the distance by adjusting the lead screw.
The respective parts, except the wire hook, should be processed using an insulating material or covered with an insulating material at the outside if it is to be applied to live working.
The invention is applied to the fields of overhead power failure maintenance and live working of overhead transmission lines and the fields of overhead power failure maintenance and live working of various related projects.
When the device is used for carrying out live-line work, the live-line work is carried out in good weather according to the requirements of the line part of the national grid company electric safety work regulations. When the wind power is not more than 5 poles and the humidity is not more than 80 percent, the live-line work can be carried out.
The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims (10)

1. A split multi-split conductor spacing fixture, comprising:
the first end of the screw rod is provided with left-handed threads, the second end of the screw rod is provided with right-handed threads, and the screw rod is provided with a deflector rod which is perpendicular to the screw rod;
the first side surface of the first connecting plate is provided with a left-handed threaded hole, and the first end of the screw rod is in threaded connection with the threaded hole of the first connecting plate; a right-handed threaded hole is formed in the first side face of the second connecting plate, and the second end of the screw rod is in threaded connection with the threaded hole of the second connecting plate;
the wire guide hook comprises a first wire guide hook and a second wire guide hook; the first wire hook is fixedly connected with the second side surface of the first connecting plate, and the first side surface of the first connecting plate is opposite to the second side surface of the first connecting plate; the second wire hook is fixedly connected with the second side surface of the second connecting plate, and the first side surface of the second connecting plate is opposite to the second side surface of the first connecting plate.
2. The split multi-split conductor spacing fixture as claimed in claim 1, wherein the first connecting plate third side and the second connecting plate third side are respectively provided with bolt holes, the first connecting plate third side is perpendicular to the first connecting plate first side, and the second connecting plate third side is perpendicular to the second connecting plate first side.
3. The split multi-split conductor spacing fixture of claim 2, further comprising a fixing bolt extending through either the first or second web bolt hole.
4. The split multi-split conductor spacing fixing device according to claim 3, wherein the fixing bolt is provided with a bolt body and a bolt cap, the bolt cap is in a sector shape, and a sector plane of the bolt cap is arranged in parallel with an axis of the bolt body.
5. The split multi-split conductor spacing fixture of claim 4, wherein the first or second web bolt hole is a threaded hole, and the first or second web bolt hole threads are adapted to the fixture bolt threads.
6. The split multi-split conductor spacing fixture as claimed in claim 5, wherein the bolt cap of the fixing bolt is coated with a rubber layer, and the bolt cap of the fixing bolt is coated with a rubber layer having hemispherical protrusions.
7. The split multi-split wire spacing fixture of claim 6, wherein said wire hook opening is 3/4 arcs of a circle.
8. The split multi-split conductor spacing fixture as claimed in claim 7, wherein an annular groove is formed on a side of the bolt body of the fixing bolt close to the bolt cap, and the bolt hole of the first connecting plate or the bolt hole of the second connecting plate is provided with an annular protrusion which is matched with the annular groove of the fixing bolt.
9. The split multi-split conductor spacing fixture as claimed in claim 8, wherein a rubber pad is provided inside the conductor hook, and a concave pit is provided on the surface of the rubber pad.
10. The split multi-split conductor spacing fixing device according to claim 9, wherein the conductor hook is provided with a blocking piece and a compression spring, one end of the blocking piece is hinged to the conductor hook, the other end of the blocking piece is arranged on the inner side of the conductor hook, and the compression spring is used for compressing the blocking piece.
CN202010641509.XA 2020-07-06 2020-07-06 Split type multi-bundle conductor spacing fixing device Pending CN111934267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010641509.XA CN111934267A (en) 2020-07-06 2020-07-06 Split type multi-bundle conductor spacing fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010641509.XA CN111934267A (en) 2020-07-06 2020-07-06 Split type multi-bundle conductor spacing fixing device

Publications (1)

Publication Number Publication Date
CN111934267A true CN111934267A (en) 2020-11-13

Family

ID=73313106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010641509.XA Pending CN111934267A (en) 2020-07-06 2020-07-06 Split type multi-bundle conductor spacing fixing device

Country Status (1)

Country Link
CN (1) CN111934267A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201927715U (en) * 2011-01-06 2011-08-10 禹州市电力工业公司 Wire hanger
CN104158118A (en) * 2014-08-08 2014-11-19 国家电网公司 Quad-bundled conductor protection hook
CN204144873U (en) * 2014-11-14 2015-02-04 中国电力工程顾问集团西南电力设计院 A kind of 750kV substation bus bar conductors on quad bundled structure
CN204481391U (en) * 2014-11-06 2015-07-15 国网河南省电力公司驻马店供电公司 A kind of replacing double bundle conductor conductor spacer specific purpose tool
US20160290532A1 (en) * 2015-04-06 2016-10-06 Hubbell Incorporated Bundle spacer and clamp assembly for conductors
CN205724776U (en) * 2016-07-05 2016-11-23 辽宁锦兴电力金具科技股份有限公司 Small Distance conductors on quad bundled conductor spacer
CN206442053U (en) * 2016-12-28 2017-08-25 国网冀北电力有限公司廊坊供电公司 Damaged conductor break-proof protecting device
CN207134720U (en) * 2017-08-21 2018-03-23 云南电网有限责任公司曲靖供电局 A kind of line load push-pull of slidingtype four
CN210713883U (en) * 2019-08-20 2020-06-09 北京城建集团有限责任公司 Adjustable frame post positioning fixture of assembled

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201927715U (en) * 2011-01-06 2011-08-10 禹州市电力工业公司 Wire hanger
CN104158118A (en) * 2014-08-08 2014-11-19 国家电网公司 Quad-bundled conductor protection hook
CN204481391U (en) * 2014-11-06 2015-07-15 国网河南省电力公司驻马店供电公司 A kind of replacing double bundle conductor conductor spacer specific purpose tool
CN204144873U (en) * 2014-11-14 2015-02-04 中国电力工程顾问集团西南电力设计院 A kind of 750kV substation bus bar conductors on quad bundled structure
US20160290532A1 (en) * 2015-04-06 2016-10-06 Hubbell Incorporated Bundle spacer and clamp assembly for conductors
CN205724776U (en) * 2016-07-05 2016-11-23 辽宁锦兴电力金具科技股份有限公司 Small Distance conductors on quad bundled conductor spacer
CN206442053U (en) * 2016-12-28 2017-08-25 国网冀北电力有限公司廊坊供电公司 Damaged conductor break-proof protecting device
CN207134720U (en) * 2017-08-21 2018-03-23 云南电网有限责任公司曲靖供电局 A kind of line load push-pull of slidingtype four
CN210713883U (en) * 2019-08-20 2020-06-09 北京城建集团有限责任公司 Adjustable frame post positioning fixture of assembled

Similar Documents

Publication Publication Date Title
CN208939464U (en) A kind of distribution network live line work electrification assembly and disassembly parallel groove clamp specific purpose tool
CN111346317B (en) Safety belt hanging device for maintenance of isolating switch
CN111934267A (en) Split type multi-bundle conductor spacing fixing device
CN211089065U (en) High-voltage cross arm
CN203191410U (en) Zinc oxide arrester live testing junction device
CN218498782U (en) Transmission line terminal tower cable fixing device
CN209896286U (en) Grounding wire head capable of clamping at multiple angles
CN115641990A (en) Extrusion-resistant anti-cracking power cable and use method thereof
CN111864679B (en) Electric power transmission overhead line cable isolating rod
CN211208698U (en) Novel complete set grounding device for 220kV power transmission line
CN103606849A (en) Multi-bundled live conductor lifting device for transmission tower and special fixture of multi-bundled live conductor lifting device
CN103302629B (en) PT insures replacer
CN112670840A (en) Arrester electrode gap adjusting assembly
CN105972316A (en) Extensible pore type bridge
CN111917053A (en) Multi-bundle conductor spacing fixing device
CN214412207U (en) Limiting device for high-voltage wire laying
CN110614609A (en) Bolt fastener
CN113889903B (en) Auxiliary hardware fitting device for robot crossing high-voltage iron tower
CN205355766U (en) Lightning protection installation device with adjustable overhead transmission line
CN213879222U (en) Cable fixing device for distribution network live working
CN221056728U (en) Multi-OPGW optical cable down-leading fixing clamp
CN210835018U (en) Fixing device for three-phase power meter box
CN214698630U (en) Anti-rotation bolt assembly
CN112886521B (en) Power line cross arm
CN212516719U (en) Indoor post insulator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201113