CN112062014A - Cable clamping structure for electrical construction and using method thereof - Google Patents
Cable clamping structure for electrical construction and using method thereof Download PDFInfo
- Publication number
- CN112062014A CN112062014A CN202010852386.4A CN202010852386A CN112062014A CN 112062014 A CN112062014 A CN 112062014A CN 202010852386 A CN202010852386 A CN 202010852386A CN 112062014 A CN112062014 A CN 112062014A
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- cable
- ring
- transmission shaft
- fixing plate
- shell
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 4
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
- B66D1/06—Safety cranks for preventing unwanted crank rotation and subsequent lowering of the loads
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a cable clamping structure for electrical construction and a using method thereof, and relates to the field of electrical construction.A buckle is connected with a wire spool through a first connecting rope, and the wire spool is connected with a hook through a second connecting rope; a transmission shaft of the wire spool is arranged in the shell, a rotating handle and a locking assembly are respectively arranged on two sides of the shell, the rotating handle is connected with the transmission shaft, and a stop structure is arranged at one end of the transmission shaft close to the locking assembly; the pull ring of the locking assembly is installed on the fixing plate, the fixing plate is installed on the shell through the elastic connecting piece, the locking structure is installed on the inner side of the fixing plate, and the locking structure is matched with the stopping structure in structure. This scheme carries out the centre gripping through the buckle with the cable fixed, hangs the couple and establishes at electrical equipment's top for the cable breaks away from ground, and the setting up of wire reel can change the distance of the tip of length adjustment cable and electrical equipment's link according to the environment of difference, has reduced the connection degree of difficulty.
Description
Technical Field
The invention belongs to the field of electrical construction, and particularly relates to a cable clamping structure for electrical construction and a using method thereof.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.
Must use cable junction between electrical equipment when electrical construction, but when the cable is connected with electrical equipment, need alone lift up the cable, another person carries out electric connection to the tip of cable and electrical equipment again, but constructor often alone one carries out the construction, the artificial strength is big, and the axis skew of the axis of cable and electrical equipment link is too big, the degree of difficulty of connection is great, and the length of clamping structure commonly used can't change, can't make the tip of cable and electrical equipment's link be close according to the environment change length of difference, therefore current equipment has some inadequacies.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present invention provides a cable clamping structure for electrical construction and a method for using the same, so as to solve the above-mentioned technical problems.
In a first aspect, the invention provides a cable clamping structure for electrical construction, which comprises a buckle, a wire spool and a hook, wherein the buckle and the wire spool are connected through a first connecting rope, and the wire spool is connected with the hook through a second connecting rope; the wire spool comprises a shell, a transmission shaft, a rotating handle and a locking assembly, wherein the transmission shaft is arranged in the shell, the rotating handle is arranged on the outer side of the shell, the rotating handle is connected with the transmission shaft, and the locking assembly is arranged on one side of the wire spool, which is far away from the rotating handle; one end of the transmission shaft close to the locking assembly is provided with a stop structure; the locking assembly comprises a pull ring, a fixing plate, an elastic connecting piece and a locking structure, the pull ring is installed on the fixing plate, the fixing plate is installed on the shell through the elastic connecting piece, the locking structure is installed on the inner side of the fixing plate, and the locking structure is matched with the stopping structure in structure.
Furthermore, the rotating handle and the bottom of the shell are provided with an inlet, one end of the first connecting rope is connected with the buckle, and the other end of the first connecting rope penetrates through the inlet to be connected with the transmission shaft.
Furthermore, the locking structure includes a fixed block, the fixed block is mounted on the fixed plate, a first toothed ring is disposed on the fixed block, the stopping structure includes a second toothed ring, and the first toothed ring is matched with the second toothed ring in structure.
Furthermore, the central axes of the fixing plate, the fixing block and the transmission shaft are collinear.
Further, the buckle includes first snap ring and second snap ring, first snap ring is articulated with the one end of second snap ring, the other end of first snap ring and second snap ring passes through the fastener and is connected, the medial surface of first snap ring and second snap ring and the structure phase-match of cable.
Furthermore, the elastic connecting piece comprises a plurality of guide posts and an elastic piece, the guide posts are connected with the fixed plate, the elastic piece is movably sleeved outside the guide posts, one end of the elastic piece is connected with the outer wall of the shell, and the other end of the elastic piece is connected with the fixed plate.
Further, the locking assembly comprises a protection ring, the protection ring is installed on the outer side of the shell, a limiting groove is formed in the protection ring, a limiting block is arranged on the fixing plate, and the limiting block is matched with the limiting groove respectively.
In a second aspect, the present invention provides a method for using a cable clamping structure for electrical construction, which mainly comprises the following steps:
1) sleeving the buckle on the cable, clamping and fixing the cable, and hanging the hook on the top of the electrical equipment to enable the cable to be separated from the ground;
2) pulling the pull ring to drive the fixing plate and the fixing block to move outwards, so that the first gear ring is separated from the second gear ring, simultaneously the elastic part is stretched, the rotating handle is rotated to drive the transmission shaft to rotate, the first connecting rope is driven to surround the transmission shaft or be separated from the transmission shaft, and the height of the cable from the ground is adjusted until the cable moves to a proper position;
3) when the pull ring is loosened, the elastic part which is pulled before contracts to drive the first gear ring to be clamped with the second gear ring, and the limiting block is clamped into the limiting groove, so that the transmission shaft cannot rotate, and the position of the cable is fixed.
According to the cable clamping structure for electrical construction and the using method thereof, the cable is clamped and fixed through the buckle, the hook is hung on the top of the electrical equipment through the first connecting rope, the second connecting rope and the hook, so that the cable is separated from the ground, the end part of the cable is closer to the connecting end of the electrical equipment, the electrical connection of the cable is facilitated for constructors, and the connection difficulty is reduced.
This cable clamping structure for electrical construction, through the wire reel that sets up, when the tip of cable is too high or too low from the link, rotatory twist grip adjusts the terrain clearance of cable, until removing suitable position, locks twist grip through setting up locking Assembly this moment, makes the high relatively fixed of cable to can make the tip of cable and electrical equipment's link be close according to the environment change length of difference.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a cable clamping structure for electrical construction according to the present invention.
Fig. 2 is a schematic structural view of the wire spool of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.
In the figure: 1. the cable comprises a buckle, 101, a first clamping ring, 102, a second clamping ring, 2, a wire spool, 201, a shell, 202, a transmission shaft, 203, an inlet, 204, a rotating handle, 3, a guide post, 301, a fixing plate, 302, an elastic piece, 303, a fixing block, 304, a first toothed ring, 305, a second toothed ring, 306, a protection ring, 307, a limiting groove, 308, a limiting block, 309, a pull ring, 4, a cable, 5, a first connecting rope, 6, a second connecting rope, 7 and a hook.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following explains key terms appearing in the present invention.
It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, connected by fasteners, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
The utility model provides a cable clamping structure for electrical construction, as shown in fig. 1 to 3, includes buckle 1, wire reel 2 and couple 7, buckle 1 and wire reel 2 are connected through first connection rope 5, wire reel 2 is connected with couple 7 through second connection rope 6.
The buckle 1 comprises a first snap ring 101 and a second snap ring 102, one end of the first snap ring 101 is hinged to one end of the second snap ring 102, the other end of the first snap ring 101 is connected with the other end of the second snap ring 102 through a fastener, and the inner side surfaces of the first snap ring 101 and the second snap ring 102 are matched with the structure of the cable 4. One end of first connecting rope 5 and the top fixed connection of first snap ring 101, the other end fixed connection of first connecting rope 5 is in the inside of wire reel 2, rope 6 is connected to the top fixedly connected with second of wire reel 2, the top of second connection rope 6 is provided with couple 7, through 1 centre gripping cable 4 of buckle, hang 7 with couple and establish the top at electrical equipment, make cable 4 break away from ground, the tip of cable 4 more is close to electrical equipment's link this moment, the constructor of being convenient for carries out electric connection to it, the connection degree of difficulty has been reduced.
The wire spool 2 comprises a shell 201, a transmission shaft 202, a rotating handle 204 and a locking assembly, wherein the transmission shaft 202 is installed in the shell 201, the rotating handle 204 and the bottom of the shell 201 are provided with an inlet 203, one end of a first connecting rope 5 is connected with the buckle 1, and the other end of the first connecting rope 5 penetrates through the inlet 203 to be connected and fixed on the transmission shaft 202.
The rotating handle 204 is installed on the outer side of the housing 201, the rotating handle 204 is connected with the transmission shaft 202, and the locking assembly is installed on one side of the wire spool 2 far away from the rotating handle 204; a stop structure is arranged at one end of the transmission shaft 202 close to the locking assembly; the locking assembly comprises a pull ring 309, a fixing plate 301, an elastic connecting piece and a locking structure, wherein the pull ring 309 is installed on the fixing plate 301, the fixing plate 301 is installed on the shell 201 through the elastic connecting piece, the locking structure is installed on the inner side of the fixing plate 301, and the locking structure is matched with the stopping structure.
When the end of the cable 4 is too high or too low from the connecting end, the rotating handle 204 is rotated to adjust the ground clearance of the cable 4 until the cable 4 is moved to a proper position, and the rotating handle 204 is fixed by setting a locking assembly at the moment, so that the position of the cable 4 is fixed, and the distance between the end of the cable 4 and the connecting end of the electrical equipment can be adjusted according to different environment change lengths.
Example 2
Elastic connecting piece includes a plurality of guide posts 3 and elastic component 302, guide post 3 is connected with fixed plate 301, elastic component 302 activity suit respectively is outside guide post 3, the one end of elastic component 302 and the outer wall fixed connection of casing 201, the other end and the fixed plate 301 fixed connection of elastic component 302.
The locking structure comprises a fixed block 303, as shown in fig. 2 and 3, the fixed block 303 is mounted inside the fixed plate 301, a first gear ring 304 is disposed on the fixed block 303, the stopping structure comprises a second gear ring 305, and the first gear ring 304 is structurally matched with the second gear ring 305.
Example 3
The locking assembly comprises a protection ring 306, the protection ring 306 is fixedly installed on the outer side of the shell 201, a limiting groove 307 is formed in the protection ring 306, a limiting block 308 is arranged on the fixing plate 301, and the limiting block 308 is respectively matched with the limiting groove 307. The limiting groove 307 and the limiting block 308 bear the force brought by the transmission shaft 202, and the guide column 3 and the elastic part 302 are prevented from being damaged.
The welding of the one side that the guide post 3 was kept away from to fixed plate 301 has pull ring 309, and its central axis can not take place the skew when making the pulling fixed plate 301 through the guide post 3 that sets up, through the first ring gear 304 and the second ring gear 305 that set up, when first ring gear 304 and second ring gear 305 looks joint, transmission shaft 202 is unable to be rotated, reaches effectual fixed action.
The central axes of the fixing plate 301, the fixing block 303 and the transmission shaft 202 are coincident, so that the fixing plate 301 is more stable when pulled.
The application method of the cable clamping structure for electrical construction mainly comprises the following steps:
1) sleeving the buckle 1 on the cable 4, clamping and fixing the cable 4, and hanging the hook 7 on the top of the electrical equipment to enable the cable 4 to be separated from the ground;
2) pulling the pull ring 309 to drive the fixing plate 301 and the fixing block 303 to move outwards, so that the first toothed ring 304 is separated from the second toothed ring 305, meanwhile, the elastic element 302 is stretched, the rotating handle 204 is rotated to drive the driving shaft 202 to rotate, the first connecting rope 5 is driven to surround the driving shaft 202 or be separated from the driving shaft 202, and the height of the cable 4 from the ground is adjusted until the cable 4 moves to a proper position;
3) when the pull ring 309 is released, the elastic member 302 pulled before contracts to drive the first toothed ring 304 to be clamped with the second toothed ring 305, and the limit block 308 is clamped in the limit groove 307, so that the transmission shaft 202 cannot rotate, and the position of the cable 4 is fixed. So that the end of the cable 41 can be brought close to the connection end of the electric device by changing the length according to different environments.
According to the cable clamping structure for electrical construction and the using method thereof, the cable 4 is clamped and fixed through the buckle 1, the hook 7 is hung on the top of the electrical equipment through the arranged first connecting rope 5, the second connecting rope 6 and the hook 7, so that the cable 4 is separated from the ground, the end part of the cable 4 is closer to the connecting end of the electrical equipment, the electrical connection of the cable is facilitated for constructors, and the connection difficulty is reduced.
This cable clamping structure for electrical construction, through wire reel 2 that sets up, when the tip of cable 4 is too high or too low from the link, rotatory twist grip 204 is adjusted cable 4's terrain clearance, until removing suitable position, locks twist grip 204 through setting up locking Assembly this moment, makes cable 4's high relatively fixed to can change length according to the environment of difference and make cable 4's tip and electrical equipment's link be close.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a cable clamping structure for electrical construction which characterized in that: the wire winding device comprises a buckle (1), a wire winding disc (2) and a hook (7), wherein the buckle (1) is connected with the wire winding disc (2) through a first connecting rope (5), and the wire winding disc (2) is connected with the hook (7) through a second connecting rope (6);
the wire spool (2) comprises a shell (201), a transmission shaft (202), a rotating handle (204) and a locking assembly, wherein the transmission shaft (202) is installed in the shell (201), the rotating handle (204) is installed on the outer side of the shell (201), the rotating handle (204) is connected with the transmission shaft (202), and the locking assembly is installed on one side, far away from the rotating handle (204), of the wire spool (2);
one end of the transmission shaft (202) close to the locking assembly is provided with a stop structure;
the locking assembly comprises a pull ring (309), a fixing plate (301), an elastic connecting piece and a locking structure, wherein the pull ring (309) is installed on the fixing plate (301), the fixing plate (301) is installed on the shell (201) through the elastic connecting piece, the locking structure is installed on the inner side of the fixing plate (301), and the locking structure is matched with the stopping structure.
2. The cable-clamping structure for electrical construction according to claim 1, wherein: the rotating handle (204) and the bottom of the shell (201) are provided with an inlet (203), one end of the first connecting rope (5) is connected with the buckle (1), and the other end of the first connecting rope (5) penetrates through the inlet (203) to be connected with the transmission shaft (202).
3. The cable-clamping structure for electrical construction according to claim 1, wherein: the locking structure comprises a fixing block (303), the fixing block (303) is installed on the fixing plate (301), a first toothed ring (304) is arranged on the fixing block (303), the stopping structure comprises a second toothed ring (305), and the first toothed ring (304) is matched with the second toothed ring (305) in structure.
4. The cable-clamping structure for electrical construction according to claim 3, wherein: the central axes of the fixing plate (301), the fixing block (303) and the transmission shaft (202) are collinear.
5. The cable-clamping structure for electrical construction according to claim 1, wherein: buckle (1) includes first snap ring (101) and second snap ring (102), the one end of first snap ring (101) and second snap ring (102) is articulated, the other end of first snap ring (101) and second snap ring (102) passes through the fastener and is connected, the medial surface of first snap ring (101) and second snap ring (102) and the structure phase-match of cable (4).
6. The cable clamping structure for electric construction according to any one of claims 1 to 5, wherein: elastic connecting piece includes a plurality of guide posts (3) and elastic component (302), guide post (3) are connected with fixed plate (301), elastic component (302) activity suit respectively outside guide post (3), the one end of elastic component (302) and the outer wall connection of casing (201), the other end and the fixed plate (301) of elastic component (302) are connected.
7. The cable-clamping structure for electrical construction according to claim 5, wherein: the locking assembly comprises a protection ring (306), the protection ring (306) is installed on the outer side of the shell (201), a limiting groove (307) is formed in the protection ring (306), a limiting block (308) is arranged on the fixing plate (301), and the limiting block (308) is matched with the limiting groove (307) respectively.
8. The use method of the cable clamping structure for electrical construction is characterized in that: the method mainly comprises the following steps:
1) sleeving the buckle (1) on the cable (4), clamping and fixing the cable (4), and hanging the hook (7) on the top of the electrical equipment to enable the cable (4) to be separated from the ground;
2) pulling a pull ring (309) to drive a fixing plate (301) and a fixing block (303) to move outwards, so that a first toothed ring (304) is separated from a second toothed ring (305), meanwhile, an elastic part (302) is stretched, a rotating handle (204) is rotated to drive a transmission shaft (202) to rotate, a first connecting rope (5) is driven to encircle the transmission shaft (202) or be separated from the transmission shaft (202), and the ground clearance of a cable (4) is adjusted until the cable moves to a proper position;
3) and (3) loosening the pull ring (309), contracting the elastic part (302) which is pulled before, driving the first toothed ring (304) to be clamped with the second toothed ring (305), and clamping the limiting block (308) into the limiting groove (307), so that the transmission shaft (202) cannot rotate, and fixing the position of the cable (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852386.4A CN112062014A (en) | 2020-08-21 | 2020-08-21 | Cable clamping structure for electrical construction and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852386.4A CN112062014A (en) | 2020-08-21 | 2020-08-21 | Cable clamping structure for electrical construction and using method thereof |
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| CN112062014A true CN112062014A (en) | 2020-12-11 |
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| CN202010852386.4A Pending CN112062014A (en) | 2020-08-21 | 2020-08-21 | Cable clamping structure for electrical construction and using method thereof |
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| CN206272152U (en) * | 2016-12-02 | 2017-06-20 | 云南东南亚经济技术投资实业有限公司 | A kind of portable power distribution circuit turnbuckle |
| CN108666932A (en) * | 2018-05-23 | 2018-10-16 | 蒋晓进 | A kind of cable tension device for high-altitude power construction |
| CN208806544U (en) * | 2018-10-30 | 2019-04-30 | 韩玉海 | A kind of wire picking device for power transmission line construction |
| CN209001475U (en) * | 2018-11-13 | 2019-06-18 | 云南电网有限责任公司大理鹤庆供电局 | 10kV and following low-voltage circuit Portable type tightener |
| CN209434425U (en) * | 2019-04-28 | 2019-09-24 | 姚元涛 | A kind of Overhead Transmission Line Construction clamping wire clamp used for short circuit grounding protection |
| CN209730645U (en) * | 2019-06-10 | 2019-12-03 | 王跃 | A kind of electric power cord holder |
| CN210156825U (en) * | 2019-07-25 | 2020-03-17 | 刘永军 | Electric wire tightener for power transmission and transformation circuit |
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| CN112413082A (en) * | 2020-12-11 | 2021-02-26 | 湖北航天技术研究院特种车辆技术中心 | Electronic limited slip differential and automobile |
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Application publication date: 20201211 |