CN110649546A - Installation arm suitable for transmission line shaft tower - Google Patents
Installation arm suitable for transmission line shaft tower Download PDFInfo
- Publication number
- CN110649546A CN110649546A CN201810680710.1A CN201810680710A CN110649546A CN 110649546 A CN110649546 A CN 110649546A CN 201810680710 A CN201810680710 A CN 201810680710A CN 110649546 A CN110649546 A CN 110649546A
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- CN
- China
- Prior art keywords
- mounting
- plate
- arm
- inclined wall
- transmission line
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention relates to a mounting arm suitable for a power transmission line tower, which comprises: the first end face of the first extension arm is a first inclined wall, and the first end face of the second extension arm is a second inclined wall matched with the first inclined wall; the vertical adjusting assembly comprises a first converting plate and a second converting plate, and the first converting plate and the second converting plate are respectively arranged on the first inclined wall and the second inclined wall; the first conversion plate and the second conversion plate are identical in structure and are matched with each other, a plurality of bolt holes are formed in the first conversion plate and the second conversion plate, the connection line of the bolt holes is square, and the area of the square is larger than that of the first inclined wall and that of the second inclined wall. The mounting arm suitable for the power transmission line tower can meet the requirements of different monitoring devices and mounting positions, and is high in connection stability.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to an installation arm suitable for a power transmission line tower.
Background
With the advance of national intelligent development strategy, the on-line monitoring device of the power transmission line is gradually changed from sporadic installation to full coverage at present. However, because the online monitoring devices are manufactured by a plurality of manufacturers and have different specifications and models, the video monitoring devices have two types, namely a ball machine and a gun machine, the monitoring requirements of the devices are different, and in addition, the types of the towers are various and the installation positions are different according to specific conditions. However, the equipment installation accessories of the existing equipment manufacturers are produced uniformly, the specification and the style are not changeable, the equipment installation accessories are all installed close to the tower, and the installation is not flexible, so that the installation mode and the position of the monitoring devices at partial tower monitoring points are not ideal.
Disclosure of Invention
Therefore, the mounting arm suitable for the power transmission line tower needs to be provided aiming at the problem that the mounting mode and the position of part of tower monitoring point monitoring devices are not ideal.
A mounting arm suitable for a power transmission line tower, comprising: the first end face of the first extension arm is a first inclined wall, and the first end face of the second extension arm is a second inclined wall matched with the first inclined wall; the vertical adjusting assembly comprises a first converting plate and a second converting plate, and the first converting plate and the second converting plate are respectively arranged on the first inclined wall and the second inclined wall; the first conversion plate and the second conversion plate are identical in structure and are matched with each other, a plurality of bolt holes are formed in the first conversion plate and the second conversion plate, the connection line of the bolt holes is square, and the area of the square is larger than that of the first inclined wall and that of the second inclined wall.
The first extension arm and the second extension arm of the present disclosure are joined by a vertical adjustment assembly such that the relative positional relationship of the second extension arm to the first extension arm is changeable by the vertical adjustment assembly. Specifically, the first inclined wall is matched with the second inclined wall, and the first conversion plate and the second conversion plate which are respectively connected with the first inclined wall and the second inclined wall are in one-to-one correspondence through a plurality of bolt holes and are fixed through bolts; because the connecting lines of the bolt holes are square, when the second conversion plate rotates 90 degrees relative to the first conversion plate, the bolt holes on the plates can still correspond one to one and are fixed through bolts, for example, when the first conversion plate does not move, the second conversion plate rotates by taking the intersection point of the diagonal lines of the square as an origin, and when the second conversion plate rotates 90 degrees, the bolt holes on the first conversion plate and the bolt holes on the second conversion plate can keep a one-to-one corresponding relationship, so that the second extension arm and the first extension arm can be kept horizontal or vertical to meet the requirements of different monitoring devices and installation positions; and the end parts provided with the first conversion plate and the second conversion plate are of mutually matched inclined wall structures, so that when the relative position relation of the first extension arm and the second extension arm is changed, the first extension arm and the second extension arm can still be tightly matched, and the connection stability is ensured.
Further, the first conversion plate and the second conversion plate are square plates, the number of the bolt holes is four, and the four bolt holes are respectively located at four corners of the square plate. Further, the first inclined wall is an inclined wall forming an angle of 45 degrees with the length direction of the first extension arm; the second inclined wall is an inclined wall forming an angle of 45 degrees with the length direction of the second extension arm.
Further, a mounting plate is included and is disposed on the first and/or second elongated arms.
Further, the number of the mounting plates is two, and the two mounting plates are respectively arranged at the free end of the second extension arm and the side part of the second extension arm; the free end of the second elongated arm is the end opposite the second sloped wall.
Further, be equipped with a plurality of pilot holes on the installation plate, it is a plurality of the pilot hole is central symmetry and distributes.
Further, the number of the fitting holes is five.
Further, be equipped with horizontal adjustment assembly on the second end tip of first extension arm, horizontal adjustment assembly is including the U type collar that is equipped with the installation notch, and locates the intraoral regulating plate of installation groove, the bottom surface of U type collar with the end connection of first extension arm, the double-phase relative lateral wall of U type collar all is equipped with two intervals and sets up and the spacing distance is S1The first mounting holes of the two opposite side walls correspond one to one; be equipped with the second mounting hole on the regulating plate and follow two at least third mounting holes that the even interval of second mounting hole circumferencial direction set up, the second mounting hole with instituteThe spacing distance between the third mounting holes is S2In which S is1＝S2(ii) a The U-shaped mounting ring is connected with the adjusting plate in a bolt fit mode through the first mounting hole, the second mounting hole and the third mounting hole.
Furthermore, the adjusting plate is a segmental adjusting plate, and the second mounting hole is located at the position of the circle center.
Furthermore, the number of the third mounting holes is five, and a connecting line of the five third mounting holes and the connecting line of the second mounting holes are semicircular.
Further, still include the staple bolt installed part, the staple bolt installed part includes cooperation board and staple bolt fastener, the both ends of staple bolt fastener pass through the bolt with the cooperation board is connected, the cooperation board with the regulating plate is connected.
Drawings
Fig. 1 is a schematic structural diagram of an installation arm suitable for a power transmission line tower according to an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of the mounting arm suitable for use in a power transmission line tower shown in fig. 1;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
fig. 4 is an exploded schematic view of a mounting arm suitable for a power transmission line tower according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an adjustment plate according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a U-shaped mounting ring according to an embodiment of the present invention.
10. A first elongate arm; 20. a level adjustment assembly; 21. a U-shaped mounting ring; 211. installing a notch; 212. a first mounting hole; 22. an adjusting plate; 221. a second mounting hole; 222. a third mounting hole; 30. a hoop mounting piece; 31. a mating plate; 32. the hoop clamping piece; 40. a bolt; 50. a vertical adjustment assembly; 51. a first transition plate; 52. a second transition plate; 53. bolt holes; 60. a second elongate arm; 70. mounting a plate; 71. and (7) assembling holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, an installation arm suitable for a power transmission line tower includes: a first extension arm 10 and a second extension arm 60 which are spliced through a vertical adjustment assembly 50, wherein the first end surface of the first extension arm 10 is a first inclined wall, and the first end surface of the second extension arm 60 is a second inclined wall matched with the first inclined wall; the vertical adjustment assembly 50 includes a first transition plate 51 and a second transition plate 52, the first transition plate 51 and the second transition plate 52 are respectively disposed on the first inclined wall and the second inclined wall; the first transition plate 51 and the second transition plate 52 have the same structure and are matched with each other, a plurality of bolt holes 53 are formed in each of the first transition plate 51 and the second transition plate 52, the connection line of the bolt holes 53 is square, and the area of the square is larger than that of the first inclined wall and that of the second inclined wall. The first and second extension arms 10, 60 of this embodiment are joined by a vertical adjustment assembly 50 such that the relative positional relationship of the second extension arm 60 to the first extension arm 10 can be changed by the vertical adjustment assembly 50. Specifically, the first inclined wall and the second inclined wall are matched, and the first conversion plate 51 and the second conversion plate 52 which are respectively connected with the first inclined wall and the second inclined wall are in one-to-one correspondence through a plurality of bolt holes 53 and fixed through bolts; because the connecting line of the bolt holes 53 is square, when the second conversion plate 52 rotates 90 degrees relative to the first conversion plate 51, the bolt holes 53 on each plate can still correspond one to one and are fixed through bolts, for example, when the first conversion plate 51 does not move, the second conversion plate 52 rotates with the intersection point of the diagonal lines of the square as the origin, and when the first conversion plate 51 rotates 90 degrees, the bolt holes 53 on the first conversion plate 51 and the bolt holes 53 on the second conversion plate 52 can both maintain a one-to-one corresponding relationship, so that the second extension arm 60 can maintain a horizontal state or a vertical state with the first extension arm 10 to meet the requirements of different monitoring devices and installation positions; and the ends provided with the first transition plate 51 and the second transition plate 52 are in an inclined wall structure matched with each other, so that when the relative position relationship of the first extension arm 10 and the second extension arm 60 is changed, the first extension arm and the second extension arm can be tightly matched, and the stability of connection is ensured.
In this embodiment, the first transition plate 51 and the second transition plate 52 are both square plates, the number of the bolt holes 53 on each transition plate is four, and the four bolt holes 53 are respectively located at four corners of the square plate. Thereby not only ensuring that the connecting line of the bolt holes 53 is square, but also simplifying the manufacturing and assembling process. The above conversion process is described by way of example, specifically, the four bolt holes 53 of the first conversion plate 51 are numbered as holes No. 1, No. 2, No. 3 and No. 4 clockwise from the upper left corner, and similarly, the four bolt holes 53 of the second conversion plate 52 are numbered as holes No. 5, No. 6, No. 7 and No. 8; when the included angle between the first extension arm 10 and the second extension arm 60 is 0 degree and is kept horizontal, the hole 1, the hole 2, the hole 3 and the hole 4 of the first conversion plate 51 correspond to the hole 7, the hole 8, the hole 5 and the hole 6 of the second conversion plate 52 one by one and are fixedly connected through bolts; when the included angle between the first extension arm 10 and the second extension arm 60 is 90 degrees and the second extension arm 60 is perpendicular to the horizontal direction, at this time, the hole 1, the hole 2, the hole 3 and the hole 4 of the first conversion plate 51 correspond to the hole 6, the hole 5, the hole 8 and the hole 7 of the second conversion plate 52 one by one and are fixedly connected through bolts. Because the connecting line of the bolt holes 53 of the same transition plate is square in the embodiment, the relative position relationship between the first extension arm 10 and the second extension arm 60 can also be that the included angle between the first extension arm 10 and the second extension arm 60 is 90 degrees, and the second extension arm 60 is parallel to the horizontal direction, so that the second extension arm 60 of the embodiment can be changed into four angles, and the requirements of different monitoring devices and installation positions under the horizontal and vertical conditions are met.
In addition, the first extension arm 10 and the second extension arm 60 according to the present embodiment are both long steel materials having a square or rectangular longitudinal section, and have the same size in longitudinal section. The first and second transition plates 51 and 52 are each a square plate structure having a larger area than the longitudinal cross-section, and the four bolt holes 53 of each plate are located at four corners of the square plate structure.
In order to improve the stability of the engagement of the first and second elongate arms 51, 52 in each position, the first inclined wall is inclined at an angle of 45 ° to the length of the first elongate arm 10; the second inclined wall is an inclined wall forming an angle of 45 degrees with the length direction of the second extension arm. I.e., the first and second sloped walls are better able to maintain the first and second elongated arms 51, 52 horizontal or vertical after being assembled.
As shown in FIG. 4, this embodiment further includes a mounting plate 70, the mounting plate 70 being disposed on the first elongate arm 10 and/or the second elongate arm 60. To facilitate installation of the monitoring device, a mounting plate 70 is provided on the first and/or second elongate arms 10, 60, and the monitoring device is mounted to the first and/or second elongate arms 10, 60 via the mounting plate 70.
Specifically, the number of mounting plates 70 in this embodiment is two, and two mounting plates 70 are provided at the free end of the second elongate arm 60 and at the side of the second elongate arm 60, respectively; the free end of the second elongate arm 60 is the end opposite the second inclined wall. And the mounting plate member 70 provided to the side of the second elongate arm 60 is located between one fifth and one third of the span from the free end of the second elongate arm 60, the preferred location of this embodiment being one quarter of the span from the free end of the second elongate arm 60; the mounting plate 70 within this range of positions maximizes the flexibility of mounting requirements. The two mounting plates 70 are respectively arranged at the end and the side of the second extension arm 60 in a welding manner, so that the mounting requirements of the hanging type monitoring device and the sitting type monitoring device are met.
The mounting plate 70 is provided with a plurality of mounting holes 71, and the mounting holes 71 are distributed in a central symmetry manner, so that the monitoring device can be mounted on the mounting plate 70 at any angle. In this embodiment, the number of the assembly holes 71 is five, and the mounting plate 70 is a square plate structure, wherein four assembly holes 71 are arranged at four corners of the square plate, and the remaining assembly hole 71 is arranged at the intersection point of the diagonal lines of the square plate, thereby providing five assembly holes 71 which are arranged in central symmetry. In other embodiments, the number of the fitting holes 71 may be four, six, or more.
As shown in fig. 4 with reference to fig. 5 and 6, a horizontal adjusting assembly 20 is disposed on the second end of the first extension arm 10, the horizontal adjusting assembly 20 includes a U-shaped mounting ring 21 having a mounting notch 211, and an adjusting plate 22 disposed in the mounting notch 211, a bottom surface of the U-shaped mounting ring 21 is connected to the end of the first extension arm 10, two opposite sidewalls of the U-shaped mounting ring 21 are disposed at an interval, and the interval is S1The first mounting holes 212 of the two opposite side walls correspond one to one; the adjusting plate 22 is provided with a second mounting hole 221 and at least two third mounting holes 222 uniformly arranged along the circumferential direction of the second mounting hole 221 at intervals, and the interval between the second mounting hole 221 and the third mounting holes 222 is S2In which S is1＝S2(ii) a The U-shaped mounting ring 21 is connected with the adjusting plate 22 through a first mounting hole 212, a second mounting hole 221 and a third mounting hole 222 in a bolt fit manner.
The end of the first extension arm 10 of this embodiment is provided with a horizontal adjusting assembly 20, the horizontal adjusting assembly 20 can be adjusted to enable the first extension arm 10 to select a proper position on a plane in which the horizontal direction is located to be fixed, and a monitoring device is mounted on the first extension arm 10. Specifically, the horizontal adjustment assembly 20 performs horizontal adjustment through an adjustment plate 22 and a U-shaped mounting ring 21 which are fitted to each other, and the adjustment plate 22 can swing in the horizontal direction in a mounting slot 211 of the U-shaped mounting ring 21 and fix the adjustment plate 22 by bolts. Two first mounting holes 212 of the same side wall on the U-shaped mounting ring 21 are respectively positioned with the second mounting hole 221 and one third mounting hole 222 on the adjusting plate 22 through screwing bolts, so that the positioning of the first extension arm 10 is completed, and the third mounting holes 222 are arranged at intervals along the circumferential direction of the second mounting hole 221 and are at least two in number, so that the first extension arm 10 has at least two positioning positions in the horizontal direction, and an appropriate position can be selected according to the type of a tower and the type of a monitoring device for mounting, thereby meeting the requirement of flexible mounting of the monitoring device.
This embodiment the regulating plate 22 is a segmental regulating plate, the second mounting hole 221 is located the position of the circle center, and is at least two the third mounting hole 222 then uses the second mounting hole 221 as the circle center to be arranged along the arc edge of the segmental regulating plate at even intervals. The straight edges of the segmental adjustment plates facilitate the welding and fixation of the adjustment plate 22 to the tower mast or other connection assembly.
Specifically, in the present embodiment, the number of the third mounting holes 222 is five, and the connecting line of the five third mounting holes 222 is semicircular, and in order to maximize and rationalize the utilization rate of the segmental adjustment plate, the connecting line of the five mounting holes 222 and the second mounting hole 221 is semicircular, so that the first extension arm 10 can be horizontally adjusted by a horizontal angle of 180 degrees.
In addition, in order to avoid first extension arm 10 and horizontal adjustment subassembly 20 to need additionally to punch on the tower pole when installing on the tower pole, it is loaded down with trivial details to install, this embodiment still includes staple bolt installed part 30, staple bolt installed part 30 includes cooperation board 31 and staple bolt fastener 32, the both ends of staple bolt fastener 32 pass through bolt 40 with cooperation board 31 is connected, cooperation board 31 with regulating plate 22 is connected. Specifically, because the shaft tower is mostly the angle steel to this embodiment staple bolt fastener 32 is the V type fastener that matches with the shape of angle steel, cooperation board 31 is the straight plate, the V type fastener encloses the hoop with the angle steel with the portion of holding that forms after the straight plate concatenation to thereby tighten through bolt 40 and fix and hoop the shaft tower. The straight edge of the adjustment plate 22 is then welded to the mating plate 31 to complete the installation of the first elongated arm and leveling assembly 20. In other embodiments, the hoop clamping piece 32 and the matching plate 31 can also be in other shapes, and the hoop type design is utilized to realize the application of multi-tower type and multi-tower material.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a mounting arm suitable for transmission line shaft tower which characterized in that includes: the first end face of the first extension arm is a first inclined wall, and the first end face of the second extension arm is a second inclined wall matched with the first inclined wall; the vertical adjusting assembly comprises a first converting plate and a second converting plate, and the first converting plate and the second converting plate are respectively arranged on the first inclined wall and the second inclined wall; the first conversion plate and the second conversion plate are identical in structure and are matched with each other, a plurality of bolt holes are formed in the first conversion plate and the second conversion plate, the connection line of the bolt holes is square, and the area of the square is larger than that of the first inclined wall and that of the second inclined wall.
2. The mounting arm suitable for transmission line shaft tower of claim 1, wherein the first transition plate and the second transition plate are square plates, the number of the bolt holes is four, and the four bolt holes are respectively located at four corners of the square plate.
3. The mounting arm suitable for the power transmission line tower of claim 1, wherein the first inclined wall is an inclined wall forming an angle of 45 degrees with the length direction of the first elongated arm; the second inclined wall is an inclined wall forming an angle of 45 degrees with the length direction of the second extension arm.
4. The mounting arm for a power transmission line tower of claim 1, further comprising a mounting plate member disposed on the first elongated arm and/or the second elongated arm.
5. The mounting arm for the power transmission line tower as claimed in claim 4, wherein the number of the mounting plates is two, and the two mounting plates are respectively arranged at the free end of the second elongated arm and the side part of the second elongated arm; the free end of the second elongated arm is the end opposite the second sloped wall.
6. The mounting arm suitable for transmission line tower of claim 4, wherein a plurality of mounting holes are arranged on the mounting plate, and the plurality of mounting holes are distributed in a central symmetry manner.
7. The mounting arm for the transmission line tower according to any one of claims 1 to 6, wherein a horizontal adjusting component is arranged at the second end of the first elongated arm, the horizontal adjusting component comprises a U-shaped mounting ring provided with a mounting notch, and an adjusting plate arranged in the mounting notch, the bottom surface of the U-shaped mounting ring is connected with the end of the first elongated arm, two opposite side walls of the U-shaped mounting ring are respectively provided with two spaced apart mounting plates with a spacing distance of S1The first mounting holes of the two opposite side walls correspond one to one; be equipped with the second mounting hole on the regulating plate and follow two at least third mounting holes that the even interval of second mounting hole circumferencial direction set up, the second mounting hole with interval distance between the third mounting hole is S2In which S is1＝S2(ii) a The U-shaped mounting ring is connected with the adjusting plate in a bolt fit mode through the first mounting hole, the second mounting hole and the third mounting hole.
8. The mounting arm suitable for the power transmission line tower as claimed in claim 7, wherein the adjusting plate is a segmental adjusting plate, and the second mounting hole is located at the center of a circle.
9. The mounting arm for the power transmission line tower as claimed in claim 8, wherein the number of the third mounting holes is five, and a connecting line of the five third mounting holes and the connecting line of the second mounting holes are semicircular.
10. The mounting arm suitable for transmission line shaft tower of claim 9, further comprising an anchor ear mounting piece, wherein the anchor ear mounting piece comprises a matching plate and an anchor ear clamping piece, two ends of the anchor ear clamping piece are connected with the matching plate through bolts, and the matching plate is connected with the adjusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680710.1A CN110649546B (en) | 2018-06-27 | 2018-06-27 | Installation arm suitable for transmission line shaft tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680710.1A CN110649546B (en) | 2018-06-27 | 2018-06-27 | Installation arm suitable for transmission line shaft tower |
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| Publication Number | Publication Date |
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| CN110649546A true CN110649546A (en) | 2020-01-03 |
| CN110649546B CN110649546B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810680710.1A Active CN110649546B (en) | 2018-06-27 | 2018-06-27 | Installation arm suitable for transmission line shaft tower |
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| CN207098543U (en) * | 2017-06-24 | 2018-03-13 | 国网河南鄢陵县供电公司 | A kind of adjustable electric power support |
| CN107947068A (en) * | 2017-12-30 | 2018-04-20 | 绍兴市卓元电气科技有限公司 | A kind of horizontal vertical direction and around the axial adjustable cable bearer of trailing arm |
| CN208522424U (en) * | 2018-06-27 | 2019-02-19 | 广州供电局有限公司 | A kind of installing arm suitable for electric power line pole tower |
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2018
- 2018-06-27 CN CN201810680710.1A patent/CN110649546B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005093290A (en) * | 2003-09-18 | 2005-04-07 | Fujitsu Access Ltd | Cable coming-out preventing fixture |
| CN101237128A (en) * | 2008-02-20 | 2008-08-06 | 中铁十局集团有限公司 | A line pole operation chair |
| CN201450284U (en) * | 2009-06-16 | 2010-05-05 | 窦长昊 | Angle-adjustable cable bridge frame |
| EP2930283A1 (en) * | 2014-04-11 | 2015-10-14 | Odco | Tubular gooseneck for building |
| CN205428725U (en) * | 2016-03-19 | 2016-08-03 | 国网山东省电力公司郓城县供电公司 | High voltage transmission lines brake pullrod |
| CN207098543U (en) * | 2017-06-24 | 2018-03-13 | 国网河南鄢陵县供电公司 | A kind of adjustable electric power support |
| CN107947068A (en) * | 2017-12-30 | 2018-04-20 | 绍兴市卓元电气科技有限公司 | A kind of horizontal vertical direction and around the axial adjustable cable bearer of trailing arm |
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| Publication number | Publication date |
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| CN110649546B (en) | 2022-08-12 |
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Effective date of registration: 20200916 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Applicant after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Applicant before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
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