CN113629632B - Overhead transmission line tension adjusting wire clamp - Google Patents
Overhead transmission line tension adjusting wire clamp Download PDFInfo
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- CN113629632B CN113629632B CN202111072943.1A CN202111072943A CN113629632B CN 113629632 B CN113629632 B CN 113629632B CN 202111072943 A CN202111072943 A CN 202111072943A CN 113629632 B CN113629632 B CN 113629632B
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- frame
- transmission line
- adjusting
- power transmission
- locking
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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
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
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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
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a tension adjusting wire clamp for an overhead transmission line, which comprises an installation frame, a connecting frame and a wire clamp assembly, wherein the installation frame is installed on a transmission tower, the connecting frame is installed at the lower end of the installation frame, and the wire clamp assembly is evenly installed on the lower end face of the connecting frame. The invention can solve the problems that the existing power transmission line is usually fixedly arranged on a power transmission tower when being laid, the tension of the electric wire cannot be adjusted when the power transmission line is influenced by the external environment, the power transmission line is easy to break under long-time stress, the safety and the stability of power transmission of a power grid are influenced, and meanwhile, the existing power transmission line cannot effectively insulate the power transmission line when being laid, so that the phenomenon of breakdown of an insulating piece is easy to cause, the insulating piece loses insulating capability and conducts electricity, the safety of power transmission of the power transmission line is influenced, and the like.
Description
Technical Field
The invention relates to the field of overhead transmission lines, in particular to a tension adjusting wire clamp for an overhead transmission line.
Background
The transmission line plays an important role in the power grid, and the safe and stable operation of the transmission line is related to the stability of the whole power grid; the overhead transmission line is exposed in the atmospheric environment and can be directly influenced by meteorological conditions, and the transmission line has certain mechanical strength to adapt to the influences of local temperature change, strong storm attack, icing load, flood and the like which may be encountered when crossing rivers. Meanwhile, lightning attacks, rain, wet fog, natural and industrial pollution and the like can also destroy or reduce the insulation strength of the overhead line and even cause power failure accidents.
At present, when an existing overhead transmission line is laid, the following defects generally exist: 1. when the existing power transmission line is laid, the existing power transmission line is usually fixedly installed on a power transmission tower, when the power transmission line is influenced by the external environment, the tension of an electric wire cannot be adjusted, the power transmission line is easy to break under long-time stress, and the safety and the stability of power transmission of a power grid are influenced; 2. when the existing power transmission line is laid, the existing power transmission line cannot effectively insulate the power transmission line, and when the voltage of the power transmission line is large, the phenomenon that an insulating part breaks down is easily caused, so that the insulating part loses insulating capability and conducts electricity, and the safety of power transmission of the power transmission line is influenced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing power transmission line is usually fixedly arranged on a power transmission tower when being laid, the tension of the power transmission line cannot be adjusted when the power transmission line is influenced by the external environment, the power transmission line is easy to break after being stressed for a long time, the safety and the stability of power transmission of a power grid are influenced, meanwhile, the existing power transmission line cannot effectively insulate the power transmission line when being laid, and when the voltage of the power transmission line is higher, the phenomenon that an insulating part breaks down is easy to cause, so that the insulating part loses the insulating ability and conducts electricity, the safety of power transmission of the power transmission line is influenced, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an overhead transmission line tension adjusting clamp, includes mounting bracket, link and fastener subassembly, the mounting bracket install on the power transmission tower, the mounting bracket is the triangle-shaped structure, the link is installed to the mounting bracket lower extreme, evenly install the fastener subassembly on the terminal surface under the link.
The cable clamp assembly comprises a fixed frame, an adjusting mechanism, a buffering mechanism, a locking mechanism and a shockproof mechanism, wherein the fixed frame is evenly installed at the lower end of the connecting frame, an arc-shaped groove is formed in the middle of the fixed frame, the adjusting frame is installed in the arc-shaped groove, the adjusting mechanism is installed in the middle of the adjusting frame, the buffering mechanism is symmetrically installed inside the adjusting frame, the inner side of the buffering mechanism is connected with the adjusting mechanism, the locking mechanism is symmetrically installed at the lower end of the adjusting mechanism, a power transmission line is arranged between the two locking mechanisms, the shockproof mechanism is arranged on the power transmission line, and the shockproof mechanism is located at the lower end of the locking mechanism.
Buffer gear include spread groove, buffer board and coupling spring, the inside symmetry of alignment jig install the spread groove, be connected with the buffer board through sliding fit's mode in the spread groove, install coupling spring between the buffer board outside and the spread groove, the buffer board inboard is connected with adjustment mechanism.
Locking mechanism include support frame, locking cap and compress tightly the frame, the support frame be U type structure, evenly be provided with the mounting hole on the support frame, be provided with locking frame in the mounting hole, locking frame is U type structure, is connected with locking cap through screw-thread fit's mode on the locking frame, the inside symmetry of support frame is provided with compresses tightly the frame, compresses tightly the frame and installs respectively between the support frame is inboard and locking frame.
As a preferred technical scheme of the invention, the adjusting mechanism comprises rotating frames, rotating shafts and sliding blocks, the rotating shafts are arranged in the middle of the adjusting frames, the rotating frames are symmetrically arranged on the rotating shafts through bearings, the two rotating frames are arranged in an X shape, the sliding blocks are arranged at the upper ends of the rotating frames, sliding grooves matched with the sliding blocks are arranged in the adjusting frames, and balls are uniformly arranged on the outer side surfaces of the sliding blocks and used for reducing friction.
According to a preferred technical scheme, the shockproof mechanism comprises a connecting seat, a connecting rod and a shockproof hammer head, the connecting seat is mounted on the overhead power transmission line through a screw, the connecting rod is mounted on the outer side of the connecting seat, the shockproof hammer head is mounted on the outer side of the connecting rod, the outer side of the connecting seat is of a conical structure and is located in the locking mechanism, a protective pad is arranged on the outer surface of the connecting seat, the protective pad can prevent the power transmission line and the locking mechanism from being abraded, and the power transmission line is prevented from being damaged.
As a preferred technical scheme of the invention, the adjusting frame is of a fan-shaped structure, the middle part of the adjusting frame is provided with an arc-shaped groove, the inner wall of the adjusting frame is provided with an insulating layer, and the insulating layer is made of breakdown-resistant insulating materials, so that the phenomenon that the insulating layer is broken down due to overhigh voltage or lightning stroke is prevented.
As a preferable technical scheme of the invention, the buffer plate is of a convex structure, the inner side of the buffer plate is connected with the adjusting mechanism in a sliding fit manner, and rollers are uniformly arranged on the buffer plate.
As a preferred technical scheme of the invention, the cross section of the pressing frame is of an arc structure, the pressing frame is a wear-resistant insulating ceramic substrate, and the ceramic substrate can effectively play an insulating role and prevent the power transmission line from generating electric leakage.
As a preferred technical scheme of the invention, the inner concave surface of the wear-resistant insulating ceramic substrate is provided with the protective layer made of rubber material, the inner side surface of the compaction frame is uniformly provided with hard anti-skid grains, and the anti-skid grains can increase friction and prevent the electric wire from falling off.
As a preferred technical scheme of the invention, the overhead power transmission line is provided with a protective layer, the protective layer comprises an inner protective sleeve and an outer protective sleeve, and the inner protective sleeve and the outer protective sleeve are both made of metal wear-resistant materials, so that the inner protective sleeve and the outer protective sleeve can effectively protect the power transmission line.
(III) advantageous effects
1. According to the tension adjusting wire clamp for the overhead transmission line, the adjusting mechanism and the buffering mechanism are matched with each other, so that the tension adjusting function of the transmission line can be realized, when the transmission line is tightened due to the influence of an external environment, the buffering mechanism can prevent the transmission line from being in a tightened state for a long time, and the use safety and stability of the transmission line are ensured;
2. according to the tension adjusting wire clamp for the overhead transmission line, the locking mechanism can effectively clamp and fix the transmission line, the phenomenon that the transmission line falls off when in use is prevented, the use safety of the transmission line is ensured, meanwhile, the locking mechanism can play an insulating role, the phenomenon that an insulating layer is easily punctured due to the fact that the voltage of the transmission line is large is prevented, the insulating layer is prevented from losing insulating capability and conducting electricity, and the transmission safety of the transmission line is ensured;
3. the tension adjusting wire clamp for the overhead transmission line, provided by the invention, has the advantages that the shockproof mechanism can effectively play a shockproof role, the phenomenon that the transmission line vibrates due to external interference is prevented, the phenomenon that the transmission line is fatigue-damaged due to periodic bending is avoided, and the service life of the transmission line is prolonged.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the wire clamp assembly of the present invention;
FIG. 3 is a schematic plan view of the wire clamp assembly of the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic cross-sectional view of the fixing frame, the adjusting mechanism and the buffering mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of the locking mechanism and the anti-vibration mechanism of the present invention;
FIG. 7 is a schematic cross-sectional view of the locking mechanism of the present invention;
fig. 8 is a schematic view of the installation state of the present invention.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, an overhead transmission line tension adjusting wire clamp comprises an installation rack 1, a connection rack 2 and a wire clamp assembly 3, wherein the installation rack 1 is installed on a transmission tower, the installation rack 1 is of a triangular structure, the connection rack 2 is installed at the lower end of the installation rack 1, and the wire clamp assembly 3 is evenly installed on the lower end face of the connection rack 2.
The cable clamp assembly 3 comprises a fixed frame 31, an adjusting frame 32, an adjusting mechanism 33, a buffering mechanism 34, a locking mechanism 35 and a shockproof mechanism 36, wherein the fixed frame 31 is uniformly installed at the lower end of the connecting frame 2, an arc-shaped groove is formed in the middle of the fixed frame 31, the adjusting frame 32 is installed in the arc-shaped groove, the adjusting mechanism 33 is installed in the middle of the adjusting frame 32, the buffering mechanism 34 is symmetrically installed in the adjusting frame 32, the inner side of the buffering mechanism 34 is connected with the adjusting mechanism 33, the locking mechanism 35 is symmetrically installed at the lower end of the adjusting mechanism 33, a power transmission line is arranged between the two locking mechanisms 35, the shockproof mechanism 36 is arranged on the power transmission line and located at the lower end of the locking mechanism 35, during specific work, the locking mechanism 35 can lock and fix the power transmission line to prevent the power transmission line from falling off, the buffering mechanism 34 can buffer and adjust the tension of the power transmission line to avoid the phenomenon that the power transmission line is broken due to over-tightening, the shockproof mechanism 36 can prevent the power transmission line from vibrating due to external interference, thereby prolonging the service life of the power transmission line due to periodic bending.
The adjusting bracket 32 be fan-shaped structure, adjusting bracket 32 middle part is provided with the arc wall, is provided with the insulating layer on the adjusting bracket 32 inner wall, the insulating layer is resistant breakdown insulating material, resistant breakdown insulating material is aluminium oxide, zirconia ceramic material, the insulating layer can play insulating effect effectively, prevents that voltage from too big leading to the phenomenon of insulating layer breakdown, prevents that the insulating layer from losing insulating ability and electrically conductive, guarantees the security performance that the power transmission line used.
The adjusting mechanism 33 comprises rotating frames 331, rotating shafts 332 and sliding blocks 333, the rotating shafts 332 are arranged in the middle of the adjusting frame 32, the rotating frames 331 are symmetrically arranged on the rotating shafts 332 through bearings, the two rotating frames 331 are arranged in an X shape, the sliding blocks 333 are arranged at the upper ends of the rotating frames 331, sliding grooves matched with the sliding blocks 333 are formed in the adjusting frame 32, and balls are uniformly arranged on the outer side surfaces of the sliding blocks 333.
The buffer mechanism 34 comprises a connecting groove 341, a buffer plate 342 and a connecting spring 343, the connecting groove 341 is symmetrically arranged inside the adjusting frame 32, the buffer plate 342 is connected inside the connecting groove 341 in a sliding fit manner, the connecting spring 343 is arranged between the outer side of the buffer plate 342 and the connecting groove 341, the inner side of the buffer plate 342 is connected with the adjusting mechanism 33, and during specific work, when the adjusting mechanism 33 is stressed, the connecting spring 343 can buffer the angle opened by the adjusting mechanism 33 through the buffer plate 342, so that the power transmission line is prevented from being excessively tightened, the phenomenon that the power transmission line is broken when being influenced by external factors such as temperature and environment is avoided, and the safety of the power transmission line in the using process is ensured.
The cross-section of the pressing frame 354 is of an arc-shaped structure, the pressing frame 354 is a wear-resistant insulating ceramic substrate, the ceramic substrate can effectively play an insulating role, the power transmission line is prevented from being leaked, meanwhile, the ceramic substrate is high in strength and hardness, and the service life of the pressing frame 354 is guaranteed.
The inner concave surface of the wear-resistant insulating ceramic substrate is provided with a protective layer made of rubber materials, hard anti-slip grains are uniformly arranged on the inner side surface of the pressing frame 354, the protective layer can play a role in protection, and the phenomenon that the electric wire is broken due to abrasion at the joint of the transmission line and the pressing frame 354 is avoided.
The shockproof mechanism 36 comprises a connecting seat 361, a connecting rod 362 and a shockproof hammer 363, the connecting seat 361 is installed on an overhead power transmission line through a screw, the connecting rod 362 is installed on the outer side of the connecting seat 361, the shockproof hammer 363 is installed on the outer side of the connecting rod 362, the outer side of the connecting seat 361 is of a conical structure, the outer side of the connecting seat 361 is located in the locking mechanism 35, a protection pad is arranged on the outer surface of the connecting seat 361, the connecting seat 361 is installed on the power transmission line through a screw in specific work, the shockproof hammer 363 can prevent the power transmission line from being vibrated due to external interference, the phenomenon that the power transmission line is fatigue-damaged due to periodic bending is avoided, and the service life of the power transmission line is prolonged.
The overhead transmission line on be provided with the inoxidizing coating, the inoxidizing coating include interior lag and outer lag, interior lag and outer lag are metal wear-resisting material and make, interior lag and outer lag can protect the power transmission line effectively, prevent that the power transmission line atress from taking place cracked phenomenon, guarantee the result of use of power transmission line.
The working steps of the invention during use are as follows:
the first step is as follows: the mounting frame 1 is mounted on the power transmission tower through screws, and the inner protective sleeve and the outer protective sleeve which are made of metal materials are wound on a power transmission line, so that the phenomenon that the power transmission line is broken due to stress is prevented;
the second step is that: the electric wire is placed in the support frame 351, the locking frame 352 drives the two pressing frames 354 to move in the same direction, so that the pressing frames 354 can clamp the transmission line, the transmission line is prevented from falling off, the use safety of the overhead transmission line is ensured, the pressing frames 354 are wear-resistant insulating ceramic substrates, the ceramic substrates can effectively play an insulating role, and the transmission line is prevented from electric leakage;
the third step: when the power transmission line is stressed in severe weather such as low temperature, rain, snow, freezing rain and other natural disasters, the tension of the power transmission line can be buffered and adjusted by the buffer mechanism 34, and the phenomenon that the power transmission line is broken due to over-tightening of the power transmission line is avoided;
the fourth step: when the power transmission line vibrates under the action of wind, the vibration-proof mechanism 36 can prevent the power transmission line from vibrating under the influence of wind, avoid the phenomenon of fatigue damage caused by periodic bending of the power transmission line, and prolong the service life of the power transmission line.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an overhead transmission line tension adjusts fastener, includes mounting bracket (1), link (2) and fastener subassembly (3), its characterized in that: mounting bracket (1) install on the power transmission tower, mounting bracket (1) is the triangle-shaped structure, link (2) are installed to mounting bracket (1) lower extreme, evenly install fastener subassembly (3) on link (2) lower terminal surface, wherein:
the wire clamp assembly (3) comprises a fixed frame (31), an adjusting frame (32), an adjusting mechanism (33), a buffering mechanism (34), a locking mechanism (35) and a shockproof mechanism (36), wherein the fixed frame (31) is uniformly installed at the lower end of the connecting frame (2), an arc-shaped groove is formed in the middle of the fixed frame (31), the adjusting frame (32) is installed in the arc-shaped groove, the adjusting mechanism (33) is installed in the middle of the adjusting frame (32), the buffering mechanism (34) is symmetrically installed in the adjusting frame (32), the inner side of the buffering mechanism (34) is connected with the adjusting mechanism (33), the locking mechanism (35) is symmetrically installed at the lower end of the adjusting mechanism (33), a power transmission line is arranged between the two locking mechanisms (35), the shockproof mechanism (36) is arranged on the power transmission line, and the shockproof mechanism (36) is located at the lower end of the locking mechanism (35);
the adjusting mechanism (33) comprises rotating frames (331), rotating shafts (332) and sliding blocks (333), the rotating shafts (332) are installed in the middle of the adjusting frame (32), the rotating frames (331) are symmetrically installed on the rotating shafts (332) through bearings, the two rotating frames (331) are arranged in an X shape, the sliding blocks (333) are installed at the upper ends of the rotating frames (331), sliding grooves matched with the sliding blocks (333) are formed in the adjusting frame (32), and balls are evenly installed on the outer side faces of the sliding blocks (333);
the buffer mechanism (34) comprises connecting grooves (341), buffer plates (342) and connecting springs (343), the connecting grooves (341) are symmetrically installed in the adjusting frame (32), the buffer plates (342) are connected in the connecting grooves (341) in a sliding fit mode, the connecting springs (343) are installed between the outer sides of the buffer plates (342) and the connecting grooves (341), and the inner sides of the buffer plates (342) are connected with the adjusting mechanism (33);
locking mechanism (35) including support frame (351), locking frame (352), locking cap (353) and compress tightly frame (354), support frame (351) be U type structure, evenly be provided with the mounting hole on support frame (351), be provided with locking frame (352) in the mounting hole, locking frame (352) are U type structure, be connected with locking cap (353) through screw-thread fit's mode on locking frame (352), support frame (351) inside symmetry is provided with compresses tightly frame (354), compresses tightly frame (354) and installs respectively between support frame (351) inboard and locking frame (352).
2. An overhead transmission line tension adjusting clamp according to claim 1, characterized in that: shockproof mechanism (36) including connecting seat (361), connecting rod (362) and shockproof tup (363), connecting seat (361) pass through the screw and install on overhead transmission line, connecting rod (362) are installed to connecting seat (361 outside, shockproof tup (363) are installed to connecting rod (362) outside, connecting seat (361) outside is the toper structure, connecting seat (361) outside is located locking mechanism (35), is provided with the protection pad on connecting seat (361) surface.
3. An overhead transmission line tension adjusting clamp according to claim 1, wherein: the adjusting frame (32) is of a fan-shaped structure, an arc-shaped groove is formed in the middle of the adjusting frame (32), an insulating layer is arranged on the inner wall of the adjusting frame (32), and the insulating layer is made of breakdown-resistant insulating materials.
4. An overhead transmission line tension adjusting clamp according to claim 1, characterized in that: buffer plate (342) be protruding type structure, buffer plate (342) inboard is connected with adjustment mechanism (33) through sliding fit's mode, evenly is provided with the roller on buffer plate (342).
5. An overhead transmission line tension adjusting clamp according to claim 1, characterized in that: the cross section of the pressing frame (354) is of an arc structure, and the pressing frame (354) is a wear-resistant insulating ceramic substrate.
6. An overhead transmission line tension adjustment clamp according to claim 5, wherein: the inner concave surface of the wear-resistant insulating ceramic substrate is provided with a protective layer made of rubber material, and hard anti-slip grains are uniformly arranged on the inner side surface of the pressing frame (354).
7. An overhead transmission line tension adjusting clamp according to claim 1, characterized in that: the overhead transmission line is provided with a protective layer, the protective layer comprises an inner protective sleeve and an outer protective sleeve, and the inner protective sleeve and the outer protective sleeve are made of metal wear-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072943.1A CN113629632B (en) | 2021-09-14 | 2021-09-14 | Overhead transmission line tension adjusting wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072943.1A CN113629632B (en) | 2021-09-14 | 2021-09-14 | Overhead transmission line tension adjusting wire clamp |
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| Publication Number | Publication Date |
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| CN113629632A CN113629632A (en) | 2021-11-09 |
| CN113629632B true CN113629632B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111072943.1A Active CN113629632B (en) | 2021-09-14 | 2021-09-14 | Overhead transmission line tension adjusting wire clamp |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014113000A (en) * | 2012-12-05 | 2014-06-19 | Chugoku Electric Power Co Inc:The | Portable type grounding device for overhead transmission line |
| CN105655952A (en) * | 2016-02-22 | 2016-06-08 | 安溪县森之味食用菌专业合作社 | 10KV distribution line cable erection fixture and application method |
| CN206759002U (en) * | 2017-04-12 | 2017-12-15 | 深圳市悦宏华科技有限公司 | A kind of high voltage power distribution wire clamp of tension-adjustable |
| CN208299396U (en) * | 2018-06-27 | 2018-12-28 | 马鞍山市华能电力线路器材有限责任公司 | A kind of bolt type strain clamp of interior edge aluminium flake |
| CN110829329A (en) * | 2019-11-20 | 2020-02-21 | 潘学英 | Electric power strain clamp |
| CN113328400A (en) * | 2021-07-13 | 2021-08-31 | 朱超超 | Electric power strain clamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186688B (en) * | 2020-09-25 | 2022-02-22 | 陕西景鹏电力科技有限公司 | Power connection fitting for high-voltage overhead transmission line |
| CN113224690B (en) * | 2021-05-27 | 2021-11-30 | 阜阳三环电力器材有限公司 | Cable laying stringing auxiliary device |
-
2021
- 2021-09-14 CN CN202111072943.1A patent/CN113629632B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014113000A (en) * | 2012-12-05 | 2014-06-19 | Chugoku Electric Power Co Inc:The | Portable type grounding device for overhead transmission line |
| CN105655952A (en) * | 2016-02-22 | 2016-06-08 | 安溪县森之味食用菌专业合作社 | 10KV distribution line cable erection fixture and application method |
| CN206759002U (en) * | 2017-04-12 | 2017-12-15 | 深圳市悦宏华科技有限公司 | A kind of high voltage power distribution wire clamp of tension-adjustable |
| CN208299396U (en) * | 2018-06-27 | 2018-12-28 | 马鞍山市华能电力线路器材有限责任公司 | A kind of bolt type strain clamp of interior edge aluminium flake |
| CN110829329A (en) * | 2019-11-20 | 2020-02-21 | 潘学英 | Electric power strain clamp |
| CN113328400A (en) * | 2021-07-13 | 2021-08-31 | 朱超超 | Electric power strain clamp |
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| CN113629632A (en) | 2021-11-09 |
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Effective date of registration: 20221027 Address after: 354500 No.9 Xiafang street, Suixi Town, Jianning County, Sanming City, Fujian Province Applicant after: Jianning power supply company of State Grid Fujian Electric Power Co.,Ltd. Applicant after: SANMING POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Address before: 230000 Caochong village, Daxing Town, Changjiang East Road, Yaohai District, Hefei City, Anhui Province Applicant before: Zhu Chaochao |
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