CN113700370A - Cross arm installation appurtenance - Google Patents
Cross arm installation appurtenance Download PDFInfo
- Publication number
- CN113700370A CN113700370A CN202111013305.2A CN202111013305A CN113700370A CN 113700370 A CN113700370 A CN 113700370A CN 202111013305 A CN202111013305 A CN 202111013305A CN 113700370 A CN113700370 A CN 113700370A
- Authority
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- China
- Prior art keywords
- hoop
- cross arm
- clamping
- block
- clamping piece
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a cross arm installation auxiliary tool which comprises a clamping assembly and an adjusting assembly, wherein a clamping assembly comprises a hoop, a clamping block and a wedge-shaped block, the clamping block is connected to the end part of the hoop, and the hoop and the clamping block are connected through the wedge-shaped block; the adjusting component comprises a clamping piece and a supporting arm, the clamping piece and the wedge-shaped block are arranged on the same side of the hoop, and the supporting arm is connected with the hoop through the clamping piece. According to the invention, the cross arm installation auxiliary tool is designed to replace a worker support cross arm, the clamping assembly is matched with the adjusting assembly, the electric pole can be quickly held tightly, the cross arm can be adjusted to be horizontal through the horizontal detection observer and the adjusting assembly, the operation is completed by additionally installing the fixing hoop, after the detection is correct, the installation auxiliary tool can be removed, the problem of safety accidents caused by physical overdraft of workers is solved, and meanwhile, the working efficiency of cross arm installation is greatly improved.
Description
Technical Field
The invention relates to an aerial work mounting tool, in particular to a cross arm mounting auxiliary tool.
Background
At present, the installation and construction operation of the cement pole cross arm of the power transmission line is that the cross arm is installed after the hoop is installed. In the process of adjusting the horizontal level of the cross arm, the worker is required to support the cross arm up and down in a reciprocating manner to adjust the horizontal level, the physical consumption of the worker is large, the labor and time are wasted, the working efficiency is low, and the risk of potential safety hazards in construction is increased. The invention designs a cross arm installation auxiliary tool, which is characterized in that a left half-arc-shaped clamping piece and a right half-arc-shaped clamping piece are utilized to quickly hold an electric pole tightly, a horizontal detection observer is utilized to calibrate whether a cross arm is in a horizontal position, a fixing hoop is additionally arranged to complete operation after the state of the cross arm is adjusted by an adjusting assembly, and the installation auxiliary tool is removed after the error is detected.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the conventional cross arm attachment assist tool.
Therefore, the invention needs to solve the problem that the installation of the cross arm needs to install the clasping hoop firstly and then install the cross arm. In the process of adjusting the horizontal level of the cross arm, the worker is required to support the cross arm up and down in a reciprocating manner to adjust the horizontal level, the physical consumption of the worker is large, the labor and time are wasted, the working efficiency is low, and the risk of construction potential safety hazards is increased.
In order to solve the technical problems, the invention provides the following technical scheme: a cross arm installation auxiliary tool comprises a clamping assembly and an adjusting assembly, wherein the clamping assembly comprises a hoop, a clamping block and a wedge block, the clamping block is connected to the end of the hoop, and the hoop and the clamping block are connected through the wedge block; the adjusting component comprises a clamping piece and a supporting arm, the clamping piece and the wedge-shaped block are arranged on the same side of the hoop, and the supporting arm is connected with the hoop through the clamping piece.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the hoop comprises a first part and a second part, one end of the first part and one end of the second part are connected to form a ring, a clamping block is arranged at the end part of the hoop, and the clamping block is connected with the end part of the hoop through a wedge block.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the clamping piece is arranged between the hoop and the clamping block and matched with the wedge-shaped block.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the clamping piece is connected with the supporting arm through the clamping piece.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the cross arm installation auxiliary tool further comprises a supporting component, and the supporting component is arranged at the end part, far away from the hoop, of the supporting arm.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the adjusting component further comprises a movable rod, the movable rod penetrates through a round hole in the supporting component to be matched with the clamping piece, and the round hole is formed in the supporting arm.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the side of the movable rod is provided with a convex block, the inner wall of the round hole is provided with a sliding groove and a ring groove, the sliding groove is communicated with the ring groove, and the convex block is arranged in the sliding groove.
A slotted hole is formed in one side of the clamping piece, and internal threads are arranged inside the slotted hole.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: the supporting arm is provided with a connecting piece at one end close to the clamping piece, an external thread is arranged on the outer side of the connecting piece, and the internal thread is matched with the external thread.
As a preferable aspect of the cross arm mounting auxiliary tool of the present invention, wherein: and a horizontal detection observer is further arranged on one side of the supporting component.
The invention has the beneficial effects that: according to the invention, the cross arm installation auxiliary tool is designed to replace a worker support cross arm, so that the physical consumption of workers is greatly reduced, and the problem of safety accidents caused by the fact that the workers are overdrawn by physical strength is avoided; clamping components and adjusting part cooperate, can hold the pole tightly rapidly on the one hand, and on the other hand can come the check-up cross arm whether be in the level through the level detection visualizer that sets up in adjusting part one side, when the cross arm is not in the level, usable adjusting part is with the cross arm leveling, installs fixed staple bolt additional and implements the operation and accomplish, detects the back of errorless, can demolish installation appurtenance, has liberated the manpower and has also improved the work efficiency of cross arm installation greatly when supporting the cross arm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a clamping assembly according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a wedge block according to an embodiment of the present invention.
Fig. 4 is a schematic view of a structure of a connecting member and a slot according to an embodiment of the present invention.
Fig. 5 is a schematic view of a chute and a ring groove according to an embodiment of the present invention.
Fig. 6 is a partial structural schematic view of a rotating member according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 2, the embodiment provides a cross arm installation auxiliary tool, which comprises a clamping assembly 100, a hoop 101, a clamping block 102 and a wedge block 103, wherein the clamping block 102 is connected to the end of the hoop 101, and the hoop 101 and the clamping block 102 are connected through the wedge block 103.
The hoop 101 is used for holding the electric pole tightly, the latch 102 is used for clamping the clamping piece 201 between the hoop 101 and the latch 102, and the wedge 103 is used for connecting the hoop 101 and the latch 102.
The adjustment assembly 200 comprises a latch 201 and a support arm 202, the latch 201 and the wedge 103 are disposed on the same side of the hoop 101, and the support arm 202 is connected to the hoop 101 through the latch 201.
The clamping piece 201 is used for connecting the hoop 101 with the supporting arm 202, and the bottom of the clamping piece 202 is provided with an inverted V-shaped groove hole which is attached to the wedge block 103 connected to the end part of the hoop 101; the support arm 202 is used to connect the support assembly 300 with the hoop 101.
When the working personnel operate, firstly, the hoop 101 is installed at a set position, then the clamping piece 201 is clamped with the wedge block 103, along with the clamping of the clamping piece 201 with the wedge block 103, two end parts of the hoop 101 are closed, along with the tighter clamping of the clamping piece 201 with the wedge block 103, the hoop 101 also clamps the electric pole closer, so that the hoop 101 is not easy to slide downwards on the electric pole, when the hoop 101 is fastened on the electric pole, the supporting arm 202 is connected with the clamping piece 201, and the level detection observer 301 arranged at one end of the supporting arm 202 is used for verifying whether the cross arm is in a level state, and the cross arm is leveled as required, so that the position of the cross arm can be quickly set, the installation is carried out, and the working efficiency is improved.
According to the invention, the cross arm installation auxiliary tool is designed to replace a worker support cross arm, so that the physical consumption of workers is greatly reduced, and the problem of safety accidents caused by the fact that the workers are overdrawn by physical strength is avoided; clamping components and adjusting part cooperate, can hold the pole tightly rapidly on the one hand, and on the other hand can come the check-up cross arm whether be in the level through the level detection visualizer that sets up in adjusting part one side, when the cross arm is not in the level, usable adjusting part is with the cross arm leveling, installs fixed staple bolt additional and implements the operation and accomplish, detects the back of errorless, can demolish installation appurtenance, has liberated the manpower and has also improved the work efficiency of cross arm installation greatly when supporting the cross arm.
Example 2
Referring to fig. 1 to 6, the present embodiment is different from the previous embodiment in that the hoop 101 includes a first member 101a and a second member 101b, one end of the first member 101a and one end of the second member 101b are connected to form a ring, a latch 102 is disposed at an end of the hoop 101, and the latch 102 is connected to the end of the hoop 101 through a wedge 103.
The first part 101a and the second part 101b are two butterfly-shaped semicircular rings, one end of the first part 101a and one end of the second part 101b are connected through a pin, and the size of the hoop 101 formed by connecting one end of the first part 101a and one end of the second part 101b can be adjusted according to the circumference of the electric pole.
Preferably, the engaging member 201 is disposed between the hoop 101 and the latch 102, and the engaging member 201 is engaged with the wedge block 103.
Preferably, the engaging member 201 is connected to the supporting arm 202 via the engaging member 201.
Preferably, the cross arm installation assistance tool further comprises a support assembly 300, the support assembly 300 being disposed at an end of the support arm 202 distal from the hoop 101.
The supporting component 300 is two supporting rods for bearing the cross arm, and the supporting component 300 is provided with two supporting rods for more facilitating the horizontal adjustment of the cross arm.
Preferably, the adjustment assembly 200 further comprises a movable rod 204, the movable rod 204 is inserted into a circular hole 205 inside the support assembly 300 to be engaged with the engaging member 201, and the circular hole 205 is disposed inside the support arm 202.
The movable rod 204 not only enables the connection of the adjustment assembly 200 and the engaging member 201, but also enables the horizontal adjustment of the tool.
Preferably, a protrusion 206 is disposed on a side surface of the movable rod 204, a sliding groove 207 and a ring groove 210 are disposed on an inner wall of the circular hole 205, the sliding groove 207 is communicated with the ring groove 210, and the protrusion 206 is disposed in the sliding groove 207.
Preferably, a slot 208 is formed on one side of the engaging member 201, and an internal thread is formed inside the slot 208.
Preferably, a connecting part 209 is arranged at one end of the support arm 202 close to the engaging part 201, an external thread is arranged outside the connecting part 209, and the internal thread is matched with the external thread.
When the protrusion 206 on the side of the movable rod 204 is disposed in the sliding slot 207, the movable rod 204 is rotated to connect the connecting member 209 disposed at the end of the supporting arm 202 with the engaging member 201, and after the connection between the external thread on the connecting member 209 and the internal thread inside the engaging member 201 is completed, the movable rod 204 is pushed along the axial direction of the movable rod 204 to move the protrusion 206 on the side of the movable rod 204 into the annular slot 210.
Preferably, a horizontal detection viewer 301 is further disposed on one side of the support assembly 300.
Whether the cross arm is in the horizontal position is verified through the horizontal detection observer 310, and when the projection 206 is located inside the ring groove 210, the movable rod 204 is rotated until the cross arm is leveled.
The working personnel firstly sleeve the hoop 101 to a set position on the electric pole, and then clamp the wedge block 103 arranged at the end part of the hoop 101 through the clamping piece 102, when the cross arm is placed at the supporting component 300, the clamping piece 102 and the wedge block 103 are clamped more tightly along with the increase of gravity, so that the end parts of the hoop 101 are closer together, the hoop 101 clamps the electric pole more tightly, and the tool is not easy to slide downwards from the electric pole; whether the cross arm is in a horizontal position is verified through a horizontal detection observer 301 arranged on one side of the supporting component 300, and the cross arm is leveled by using the adjusting component 200; the level of cross arm is measured with the level detection visualizer and is substituted the level that people's eye observed the cross arm, not only adjusts more accurately, moreover save time.
The connecting piece 209 is connected with the clamping piece 201 by utilizing the movement of the movable rod 204, the angle is adjusted, when the convex block 206 on the side surface of the movable rod 204 is arranged in the sliding groove 207, the movable rod 204 is rotated, the connecting piece 209 arranged at the end part of the supporting arm 202 can be connected with the clamping piece 201, after the connection of the external thread on the connecting piece 209 and the internal thread in the clamping piece 201 is completed, the movable rod 204 is pushed along the axial direction of the movable rod 204, the convex block 206 on the side surface of the movable rod 204 is moved into the annular groove 210, the leveling of the cross arm is completed, the operation of installing and fixing the hoop is completed, after the detection is correct, the installation auxiliary tool can be removed, the manual support cross arm is liberated, and the working efficiency of cross arm installation is greatly improved.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a cross arm installation appurtenance which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the clamping assembly (100) comprises a hoop (101), a clamping block (102) and a wedge block (103), the clamping block (102) is connected to the end of the hoop (101), and the hoop (101) is connected with the clamping block (102) through the wedge block (103);
the adjusting assembly (200) comprises a clamping piece (201) and a supporting arm (202), the clamping piece (201) and the wedge block (103) are arranged on the same side of the hoop (101), and the supporting arm (202) is connected with the hoop (101) through the clamping piece (201).
2. A cross arm mounting aid according to claim 1, wherein: the hoop (101) comprises a first piece (101a) and a second piece (101b), one end of the first piece (101a) and one end of the second piece (101b) are connected to form a ring, a clamping block (102) is arranged at the end part of the hoop (101), and the clamping block (102) is connected with the end part of the hoop (101) through a wedge block (103).
3. A cross arm mounting aid according to claim 1 or 2, wherein: the clamping piece (201) is arranged between the hoop (101) and the clamping block (102), and the clamping piece (201) is matched with the wedge-shaped block (103).
4. A cross arm mounting aid according to claim 3, wherein: the clamping piece (201) is connected with the supporting arm (202) through the clamping piece (201).
5. A cross arm mounting auxiliary tool as claimed in any one of claims 1, 2 and 4, wherein: the cross arm installation auxiliary tool further comprises a supporting component (300), and the supporting component (300) is arranged at the end of the supporting arm (202) far away from the hoop (101).
6. The cross arm mounting aid of claim 5, wherein: the adjusting assembly (200) further comprises a movable rod (204), the movable rod (204) penetrates through a round hole (205) in the supporting assembly (300) to be matched with the clamping piece (201), and the round hole (205) is formed in the supporting arm (202).
7. The cross arm mounting aid of claim 6, wherein: the side of the movable rod (204) is provided with a convex block (206), the inner wall of the round hole (205) is provided with a sliding groove (207) and a ring groove (210), the sliding groove (207) is communicated with the ring groove (210), and the convex block (206) is arranged in the sliding groove (207).
8. The cross arm mounting aid of claim 7, wherein: a slotted hole (208) is formed in one side of the clamping piece (201), and internal threads are arranged in the slotted hole (208).
9. The cross arm mounting aid of claim 8, wherein: one end of the support arm (202) close to the clamping piece (201) is provided with a connecting piece (209), the outer side of the connecting piece (209) is provided with an external thread, and the internal thread is matched with the external thread.
10. A cross arm mounting aid according to claim 9, wherein: and a horizontal detection observer (301) is further arranged on one side of the supporting component (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013305.2A CN113700370A (en) | 2021-08-31 | 2021-08-31 | Cross arm installation appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013305.2A CN113700370A (en) | 2021-08-31 | 2021-08-31 | Cross arm installation appurtenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113700370A true CN113700370A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111013305.2A Pending CN113700370A (en) | 2021-08-31 | 2021-08-31 | Cross arm installation appurtenance |
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| Country | Link |
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| CN (1) | CN113700370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646761A (en) * | 2023-04-27 | 2023-08-25 | 华能国际电力股份有限公司上海石洞口第二电厂 | Transition wiring board for GIS porcelain bushing |
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| CN202974274U (en) * | 2012-12-28 | 2013-06-05 | 衡水供电公司 | Auxiliary measuring instrument for erecting electric pole |
| CN204627100U (en) * | 2015-03-27 | 2015-09-09 | 国家电网公司 | A kind of distribution line construction Combined anchor ear |
| WO2017211208A1 (en) * | 2016-06-08 | 2017-12-14 | 江苏神马电力股份有限公司 | Fixing device and transmission mast |
| CN208028488U (en) * | 2018-04-09 | 2018-10-30 | 国网新疆电力有限公司巴州供电公司 | Operation auxiliary device on bar |
| CN108999456A (en) * | 2018-10-17 | 2018-12-14 | 中核四达建设监理有限公司 | It is a kind of for installing the support frame of overhead transmission line |
| CN110984674A (en) * | 2019-11-27 | 2020-04-10 | 国网山东省电力公司经济技术研究院 | Electric power engineering construction power consumption pole correcting device |
| CN111305638A (en) * | 2020-04-13 | 2020-06-19 | 广东电网有限责任公司东莞供电局 | Adjustable cross arm staple bolt structure |
| CN212837047U (en) * | 2020-07-20 | 2021-03-30 | 杜建平 | Electric power cross arm installation auxiliary device |
| CN213683455U (en) * | 2020-08-26 | 2021-07-13 | 国网浙江永康市供电有限公司 | Double-circuit line double-triangle arranged insulating pole erecting tool |
| CN213742629U (en) * | 2020-09-11 | 2021-07-20 | 国网浙江余姚市供电有限公司 | Double-cross-arm mounting bracket on electric pole |
-
2021
- 2021-08-31 CN CN202111013305.2A patent/CN113700370A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202974274U (en) * | 2012-12-28 | 2013-06-05 | 衡水供电公司 | Auxiliary measuring instrument for erecting electric pole |
| CN204627100U (en) * | 2015-03-27 | 2015-09-09 | 国家电网公司 | A kind of distribution line construction Combined anchor ear |
| WO2017211208A1 (en) * | 2016-06-08 | 2017-12-14 | 江苏神马电力股份有限公司 | Fixing device and transmission mast |
| CN208028488U (en) * | 2018-04-09 | 2018-10-30 | 国网新疆电力有限公司巴州供电公司 | Operation auxiliary device on bar |
| CN108999456A (en) * | 2018-10-17 | 2018-12-14 | 中核四达建设监理有限公司 | It is a kind of for installing the support frame of overhead transmission line |
| CN110984674A (en) * | 2019-11-27 | 2020-04-10 | 国网山东省电力公司经济技术研究院 | Electric power engineering construction power consumption pole correcting device |
| CN111305638A (en) * | 2020-04-13 | 2020-06-19 | 广东电网有限责任公司东莞供电局 | Adjustable cross arm staple bolt structure |
| CN212837047U (en) * | 2020-07-20 | 2021-03-30 | 杜建平 | Electric power cross arm installation auxiliary device |
| CN213683455U (en) * | 2020-08-26 | 2021-07-13 | 国网浙江永康市供电有限公司 | Double-circuit line double-triangle arranged insulating pole erecting tool |
| CN213742629U (en) * | 2020-09-11 | 2021-07-20 | 国网浙江余姚市供电有限公司 | Double-cross-arm mounting bracket on electric pole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646761A (en) * | 2023-04-27 | 2023-08-25 | 华能国际电力股份有限公司上海石洞口第二电厂 | Transition wiring board for GIS porcelain bushing |
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