CN111130017B - Ground wire lifter utilizing ground wire cross arm angle steel operation - Google Patents
Ground wire lifter utilizing ground wire cross arm angle steel operation Download PDFInfo
- Publication number
- CN111130017B CN111130017B CN202010135384.3A CN202010135384A CN111130017B CN 111130017 B CN111130017 B CN 111130017B CN 202010135384 A CN202010135384 A CN 202010135384A CN 111130017 B CN111130017 B CN 111130017B
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- Prior art keywords
- ground wire
- cross arm
- screw rod
- hook
- ratchet
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Electric Cable Installation (AREA)
Abstract
The application provides a ground wire lifter utilizing ground wire cross arm angle steel operation, comprising: the periphery of the screw rod is provided with external threads; the ratchet rocker assembly is sleeved outside the upper part of the screw rod and can drive the screw rod to rotate; the cross arm clamp is of a T-shaped structure, is arranged outside the screw rod and below the ratchet rocker assembly, and is provided with a connecting assembly for fixing and fixedly connecting the cross arm; the hook is arranged at the lower end of the screw rod. According to the embodiment of the application, the ground wire cross arm is used for operation, so that the tool is greatly simplified, and the labor intensity of personnel can be reduced.
Description
Technical Field
The application relates to a ground wire lifter utilizing ground wire cross arm angle steel operation.
Background
At present, multiple forms exist in the form of hanging points and hanging the ground wire of the pole tower of the ultra-high voltage transmission line. When the ground wire is required to be lifted for eliminating the defect, a lifting mode such as a lever block, a steel rope, a pulley block and the like is generally used. Disadvantages in the prior art: the tool is heavy, inconvenient to operate, needs to be matched by a plurality of people, and has high labor intensity and long time.
Disclosure of Invention
The application provides a ground wire lifter for angle steel operation by using a ground wire cross arm, which aims to reduce labor intensity and improve maintenance efficiency.
The technical scheme adopted for solving the technical problems is as follows: a ground wire lifter for use in ground wire crossarm angle operations, comprising: the periphery of the screw rod is provided with external threads; the ratchet rocker assembly is sleeved outside the upper part of the screw rod and can drive the screw rod to rotate; the cross arm clamp is of a T-shaped structure, is arranged outside the screw rod and is positioned below the ratchet rocker assembly, and is provided with a connecting assembly for fixedly connecting with the cross arm; the hook is arranged at the lower end of the screw rod.
Further, the cross arm clamp comprises a horizontal part and a vertical part, the upper end of the vertical part is connected with the middle part of the horizontal part, the cross arm clamp is provided with an axial through hole matched with the screw rod, and the axial through hole penetrates through the horizontal part and the vertical part along the axial direction of the vertical part.
Further, the both ends symmetry of horizontal part is provided with the connecting hole, and coupling assembling includes the cross arm chucking solid screw that corresponds complex with the connecting hole, and the cross arm chucking solid screw is L shape structure.
Further, the ratchet rocker assembly includes: the ratchet handle is sleeved outside the upper part of the screw rod, and an internal thread matched with the external thread is arranged in the ratchet handle; the ratchet rocker is sleeved outside the ratchet handle and can drive the ratchet handle to rotate.
Further, the ratchet rocker is a telescopic rod.
Further, a reverser is arranged on the ratchet rocker component.
Further, the hook is connected with the screw rod through a hook connector.
Further, the upper end of the hook connector is provided with a circular mounting hole, the lower end of the screw rod is arranged in the circular mounting hole in a penetrating mode, and the lower end of the screw rod is fixedly connected with the upper end of the hook connector through a bolt.
Further, a hook clamping hole is further formed in the hook connector, the hook comprises a straight rod section and a hook body, the upper end of the straight rod section is clamped at the upper end of the hook clamping hole, the lower end of the straight rod section penetrates through the hook clamping hole and is arranged outside the hook connector, and the hook body is detachably arranged at the lower end of the straight rod section.
Further, the upper end of the hook clamping hole is of a semicircular spherical structure, and the arc-shaped surface of the semicircular spherical structure faces downwards.
The ground wire cross arm is used for working, tools are greatly simplified, and labor intensity of personnel can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a schematic structural view of a cross arm card according to an embodiment of the present application;
fig. 3 is a schematic structural view of a hook connector according to an embodiment of the present application.
Reference numerals in the drawings: 1. a stop nut; 2. a screw rod; 3. a ratchet handle; 4. a ratchet rocker; 5. a thrust bearing; 6. a cross arm clip; 7. the cross arm clamps a fixed screw; 8. a hook connector; 9. a hook.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 3, an embodiment of the present application provides a ground wire lifter for working with a ground wire cross arm angle steel, which includes a screw rod 2, a ratchet rocker assembly, a cross arm card 6 and a hook 9. The outer periphery of the screw rod 2 is provided with external threads. The ratchet rocker assembly is sleeved outside the upper part of the screw rod 2, and can drive the screw rod 2 to rotate. The cross arm clamp 6 is of a T-shaped structure, the cross arm clamp 6 is sleeved outside the screw rod 2 and located below the ratchet rocker assembly, and the cross arm clamp 6 is provided with a connecting assembly fixedly connected with the cross arm. The hook 9 is arranged at the lower end of the screw rod 2.
After the electric power operator reaches the operation position, the ground wire lifter is adjusted to a proper stroke (the stroke is properly larger than the interval between the hanging point and the ground wire), the hanging hook 9 is hung on the ground wire, the cross arm clamp 6 is fastened on the ground wire cross arm, and the ratchet rocker assembly is rocked to tighten the wire. The ground wire lifter is stressed vertically with the ground wire. The bearing capacity of the ground wire hanging point is slowly transferred to the ground wire lifter. After the ground wire lifter is completely transferred, the operation is carried out. After the operation is completed, the direction of the ratchet rocker assembly is adjusted, the ratchet rocker assembly is rocked, and the ground wire is loosened. And (5) withdrawing the ground wire lifter, and withdrawing the ground wire lifter from the working position to finish the operation.
According to the embodiment of the application, the ground wire cross arm is used for operation, so that the tool is greatly simplified, and the labor intensity of personnel can be reduced.
The screw rod 2 is a main bearing component and is formed by processing a 60Si2Mn cylindrical material, so that the screw rod has higher strength and meets the use requirement.
The power transmission line operation is overhead operation, in order to avoid the danger caused by the disconnection of the screw rod 2 and the ratchet rocker assembly when using a larger stroke, the stop nut 1 is arranged on the screw rod 2, so that the special fixture is prevented from being disassembled in the working process, the danger is brought to power operation workers, and even more serious accidents such as line disconnection are caused.
As shown in fig. 2, the cross arm clip 6 includes a horizontal portion and a vertical portion, the upper end of the vertical portion is connected with the middle of the horizontal portion, the cross arm clip 6 is provided with an axial through hole for cooperation with the screw rod 2, and the axial through hole penetrates through the horizontal portion and the vertical portion along the axial direction of the vertical portion.
In the embodiment of the application, the cross arm clamp 6 is made of 60Si2Mn material, is suitable for the situation that the ground wire cross arm has a gap, the vertical part can be arranged at the gap of the ground wire cross arm, the horizontal part is clamped with the upper part of the ground wire cross arm, and the cross arm clamp is fixed with the ground wire cross arm through the connecting component.
Specifically, the both ends symmetry of horizontal part is provided with the connecting hole, and coupling assembling includes and corresponds complex cross arm card fastening screw 7 with the connecting hole, and cross arm card fastening screw 7 is L shape structure. The length of the cross arm clamp fastening screw 7 is longer, so that the cross arm clamp fastening screw is applicable to two conditions of a water drinking cross arm and a non-water drinking cross arm.
Further, a thrust bearing 5 is arranged between the cross arm clamp 6 and the ratchet rocker assembly, so that the ratchet rocker assembly rotates stably in the process of using the ratchet rocker assembly, and is not easy to wear.
The ratchet rocker assembly comprises a ratchet handle 3 and a ratchet rocker 4. The ratchet handle 3 is sleeved outside the upper part of the screw rod 2, and an internal thread matched with the external thread is arranged in the ratchet handle 3. The ratchet rocker 4 is sleeved outside the ratchet handle 3 and can drive the ratchet handle 3 to rotate.
The ratchet rocker 4 is made of LC4 high-strength aluminum alloy, and the self weight is lighter on the premise of ensuring the strength. The ratchet rocker 4 is of a telescopic structure, is convenient to carry and is flexible to operate.
Preferably, the ratchet rocker 4 is provided with a reverser, so that the operation of operators is facilitated. The ratchet rocker 4 can work in a small angle range and can adapt to the working environment with limited on-line working space.
As shown in fig. 1, the hook 9 is connected with the screw rod 2 through a hook connector 8. In the embodiment of the application, the contact area between the hook 9 and the ground wire is large, the hook 9 is a smooth plane, the side edge of the hook 9 is provided with a large round angle, and the hook 9 is provided with a rubber pad, so that the ground wire is effectively prevented from being damaged.
Preferably, the hook 9 is formed by processing a 60Si2Mn material processing center, and has high strength, high hardness and small deformation in the ground wire lifting process. Overcomes the problem of difficult wire lifting caused by the larger elongation rate of the prior steel rope mode. The hook diameter of the hook 9 is about 50mm, which is suitable for most line requirements.
The upper end of the hook connector 8 is provided with a circular mounting hole, the lower end of the screw rod 2 is arranged in the circular mounting hole in a penetrating way, and the lower end of the screw rod 2 is fixedly connected with the upper end of the hook connector 8 through a bolt.
Further, a hook clamping hole is further formed in the hook connector 8, the hook 9 comprises a straight rod section and a hook body, the upper end of the straight rod section is clamped at the upper end of the hook clamping hole, the lower end of the straight rod section penetrates through the hook clamping hole and is arranged outside the hook connector 8, and the hook body is detachably arranged at the lower end of the straight rod section. In the embodiment of the application, the diameter of the straight rod section is 15mm, and the diameter of the opening at the lower part of the hook clamping hole is 20mm.
In the embodiment of the application, the upper end of the hook clamping hole is of a semicircular spherical structure, and the arc-shaped surface of the semicircular spherical structure faces downwards. The structure can enable the hook 9 to rotate 360 degrees in the horizontal direction and simultaneously complete rotation (namely swing) at a certain angle in other directions, so that the stress of the hook 9 is uniform.
The specific working process of the embodiment of the application is as follows:
after the electric power operator reaches the operation position, the ground wire lifter is adjusted to a proper stroke (the stroke is properly larger than the interval between the hanging point and the ground wire), the hanging hook 9 is hung on the ground wire, the cross arm clamp 6 is fastened on the ground wire cross arm, and the ratchet rocker assembly is rocked to tighten the wire. The ground wire lifter is stressed vertically with the ground wire. The bearing capacity of the ground wire hanging point is slowly transferred to the ground wire lifter. After the ground wire lifter is completely transferred, the operation is carried out. After the operation is completed, the direction of the ratchet rocker assembly is adjusted, the ratchet rocker assembly is rocked, and the ground wire is loosened. And (5) withdrawing the ground wire lifter, and withdrawing the ground wire lifter from the working position to finish the operation.
When the ground wire lifter is used for the ground wire with larger load, the two ground wire lifters can be simultaneously matched for use, so that the two ground wire lifters are mutually safe backups, and the operation safety is improved.
In the embodiment of the application, the length of the screw rod 2 is 550mm, and the maximum stroke is 500mm. The general ground wire hanging requirement is met.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
the embodiment of the application can effectively avoid various dangerous factors, saves time and labor, and is safe and efficient.
According to the embodiment of the application, the ground wire hanging point cross arm angle steel is used as a supporting point, so that the tool is greatly simplified, and the labor intensity of personnel is reduced.
The embodiment of the application integrally adopts a two-section structure, the ratchet rocker is positioned above the integral structure, the actual construction operation requirement is met, and when in operation, an operator sits on the ground wire cross arm and bends down to operate, so that the operation is convenient.
The embodiment of the application applies the retaining nut to the screw rod, and effectively avoids the danger caused by the detachment of the screw rod in the process of using a large stroke.
The embodiment of the application uses the ratchet device, and the reversing device is arranged on the ratchet device, so that the operation of operators in a limited operation space is greatly facilitated.
The ratchet rocker adopts a telescopic structure, is convenient to carry and operate.
The embodiment of the application is provided with the hook connector, the hook can rotate 360 degrees in the horizontal direction and can rotate at a certain angle in the vertical direction, so that the stress is more uniform in the use process, and accidents caused by the fact that the stress is concentrated beyond the bearing range of the tool are avoided.
The ratchet rocker is provided with the ratchet handle, so that the operation habit of personnel is met, and the ratchet operation is more convenient and reliable.
The foregoing description of the embodiments of the application is not intended to limit the scope of the application, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the application shall fall within the scope of the patent. In addition, the technical characteristics and technical scheme, technical characteristics and technical scheme can be freely combined for use.
Claims (5)
1. The utility model provides an utilize ground wire cross arm angle steel operation's ground wire to carry line ware which characterized in that includes:
the periphery of the screw rod (2) is provided with external threads;
the ratchet rocker assembly is sleeved outside the upper part of the screw rod (2), and the ratchet rocker assembly can drive the screw rod (2) to rotate;
the cross arm clamp (6) is of a T-shaped structure, the cross arm clamp (6) is sleeved outside the screw rod (2) and is positioned below the ratchet rocker assembly, and the cross arm clamp (6) is provided with a connecting assembly fixedly connected with the cross arm;
the hook (9) is arranged at the lower end of the screw rod (2);
wherein, the ratchet rocker subassembly includes:
the ratchet handle (3) is sleeved outside the upper part of the screw rod (2), and an internal thread matched with the external thread is arranged in the ratchet handle (3);
the ratchet rocker (4) is sleeved outside the ratchet handle (3) and can drive the ratchet handle (3) to rotate;
the hook (9) is connected with the screw rod (2) through a hook connector (8); the upper end of the hook connector (8) is provided with a circular mounting hole, the lower end of the screw rod (2) is arranged in the circular mounting hole in a penetrating way, and the lower end of the screw rod (2) is fixedly connected with the upper end of the hook connector (8) through a bolt; a retaining nut (1) is arranged on the screw rod (2) to prevent the screw rod (2) from being separated from the ratchet rocker assembly; a thrust bearing (5) is arranged between the cross arm clamp (6) and the ratchet rocker assembly; the cross arm clamp (6) comprises a horizontal part and a vertical part, the upper end of the vertical part is connected with the middle part of the horizontal part, the cross arm clamp (6) is provided with an axial through hole matched with the screw rod (2), and the axial through hole penetrates through the horizontal part and the vertical part along the axial direction of the vertical part; the two ends of the horizontal part are symmetrically provided with connecting holes, the connecting assembly comprises cross arm clamp fastening screws (7) which are correspondingly matched with the connecting holes, and the cross arm clamp fastening screws (7) are of L-shaped structures.
2. The ground wire lifter operated by using the ground wire cross arm angle steel according to claim 1, wherein the ratchet rocker (4) is a telescopic rod.
3. The ground wire lifter for use with ground wire crossarm angle steel work of claim 1, wherein the ratchet rocker assembly is provided with a commutator.
4. The ground wire lifter for operation by utilizing the ground wire cross arm angle steel according to claim 1, wherein a hook clamping hole is further formed in a hook connector (8), a hook (9) comprises a straight rod section and a hook body, the upper end of the straight rod section is clamped at the upper end of the hook clamping hole, the lower end of the straight rod section penetrates through the hook clamping hole and is arranged outside the hook connector (8), and the hook body is detachably arranged at the lower end of the straight rod section.
5. The ground wire lifter using the ground wire cross arm angle steel operation according to claim 4, wherein the upper end of the hook clamping hole is in a semicircular spherical structure, and the arc-shaped surface of the semicircular spherical structure faces downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135384.3A CN111130017B (en) | 2020-03-02 | 2020-03-02 | Ground wire lifter utilizing ground wire cross arm angle steel operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135384.3A CN111130017B (en) | 2020-03-02 | 2020-03-02 | Ground wire lifter utilizing ground wire cross arm angle steel operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111130017A CN111130017A (en) | 2020-05-08 |
| CN111130017B true CN111130017B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010135384.3A Active CN111130017B (en) | 2020-03-02 | 2020-03-02 | Ground wire lifter utilizing ground wire cross arm angle steel operation |
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| CN (1) | CN111130017B (en) |
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| CN207542669U (en) * | 2017-10-27 | 2018-06-26 | 中国南方电网有限责任公司超高压输电公司曲靖局 | It replaces tangent tower list and hangs the multipurpose instrument (tool) that the twin insulator period of the day from 11 p.m. to 1 a.m fixes three yoke plates |
| CN208608639U (en) * | 2018-07-18 | 2019-03-15 | 中国电建集团河南工程有限公司 | Aerial earth wire hanging point bolt replaces tool |
| CN110499951A (en) * | 2019-09-17 | 2019-11-26 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of steel tower cross-arm rope ladder hitch point extends device and application |
| CN211480746U (en) * | 2020-03-02 | 2020-09-11 | 国网通用航空有限公司 | Ground wire lifter operating by utilizing ground wire cross arm angle steel |
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2020
- 2020-03-02 CN CN202010135384.3A patent/CN111130017B/en active Active
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| CN102434086A (en) * | 2011-12-08 | 2012-05-02 | 陕西理工学院 | Off-line ladder |
| CN103199461A (en) * | 2013-04-28 | 2013-07-10 | 国家电网公司 | Method for lifting lightning conductor of power transmission line and special portable lifter |
| CN104009302A (en) * | 2014-06-07 | 2014-08-27 | 国网山东诸城市供电公司 | Ground wire capable of being hung in multi-azimuth mode |
| CN104134948A (en) * | 2014-08-05 | 2014-11-05 | 国家电网公司 | 500kV overhead line tangent tower lightning conductor lifting working device |
| CN104201611A (en) * | 2014-09-15 | 2014-12-10 | 国家电网公司 | Tangent tower wire clamp replacing tool for extra-high voltage direct-current transmission lines |
| CN104242152A (en) * | 2014-09-24 | 2014-12-24 | 广西电网公司桂林供电局 | Lifting device for lifting overhead ground wire on straight concrete pole |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111130017A (en) | 2020-05-08 |
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Address after: 102209 7th floor, block C, No.18, Binhe Avenue, future science and Technology City, Changping District, Beijing Applicant after: State Grid Power Space Technology Co.,Ltd. Applicant after: SHAANXI ELESAFETY POWER TECHNOLOGY CO.,LTD. Address before: 102209 7th floor, block C, No.18, Binhe Avenue, future science and Technology City, Changping District, Beijing Applicant before: SGCC GENERAL AVIATION Co.,Ltd. Applicant before: SHAANXI ELESAFETY POWER TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20240204 Address after: 102209 7th floor, block C, No.18, Binhe Avenue, future science and Technology City, Changping District, Beijing Patentee after: State Grid Power Space Technology Co.,Ltd. Country or region after: China Address before: 102209 7th floor, block C, No.18, Binhe Avenue, future science and Technology City, Changping District, Beijing Patentee before: State Grid Power Space Technology Co.,Ltd. Country or region before: China Patentee before: SHAANXI ELESAFETY POWER TECHNOLOGY CO.,LTD. |