CN113131230B - Puncture type electric power fitting and use method thereof - Google Patents
Puncture type electric power fitting and use method thereof Download PDFInfo
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- CN113131230B CN113131230B CN202110432841.XA CN202110432841A CN113131230B CN 113131230 B CN113131230 B CN 113131230B CN 202110432841 A CN202110432841 A CN 202110432841A CN 113131230 B CN113131230 B CN 113131230B
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- cable
- fixedly connected
- rod
- power fitting
- driven
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
Abstract
The invention relates to the field of electric power fittings. The invention discloses a puncture type electric power fitting and a use method thereof, and aims to solve the problem that the operation is troublesome when a device clamps and fixes a cable; after the cable is clamped by the device, a certain gap exists between the pressing claw and the cable, so that dust is easy to fly into the device, and the cable electrifying effect of the device is affected. The invention consists of a fastening mechanism and a clamping mechanism. According to the puncture type electric power fitting and the use method thereof, the driven gear is matched with the bidirectional motor in a counter-clockwise rotation mode to drive the circular tube to rotate, the circular tube drives the disc to rotate, the driving rod drives the clamping plates to deflect, the distance between the clamping plates is increased, then the cable is inserted into the circular tube to be driven by the bidirectional motor in a clockwise rotation mode, the driven gear is matched with the bidirectional motor in a clockwise rotation mode, then the cable is extruded and clamped through the clamping plate and the protruding block, and the cable with different diameters is conveniently placed in the circular tube to be clamped and fixed.
Description
Technical Field
The invention relates to the field of electric power fittings, in particular to a puncture type electric power fitting and a using method thereof.
Background
In the construction of overhead power lines, when the cable needs to be branched or connected, two insulated wires need to be connected together by a puncture wire clamp. The puncture wire clamp has the characteristics of simple and convenient installation, low cost, safety, reliability and no maintenance. The cable branch can be made without cutting off the main cable and stripping the insulating layer of the cable, the joint is completely insulated, live working can be realized, and the on-site branch can be made at any position of the cable; the terminal box and the junction box are not needed; the joint is resistant to torsion, shock, water and corrosion aging; the insulated puncture wire clamp is used for cable branching, so that the comprehensive benefit is obvious, and the cost performance is superior to that of the traditional connection mode.
The prior patent (publication number: CN 106711636A) discloses a puncture type high-voltage power wire-drawing fitting, and the device only uses a conical crimping surface to crimp each crimping claw to fix a cable. In implementing this prior art, the inventors found that at least the following problems in the prior art are not solved: 1. the device is inconvenient to joint and fix cables with different diameters in the using process; 2. when the device clamps and fixes the cable, the operation is troublesome; 3. after the cable is clamped by the device, a certain gap exists between the pressing claw and the cable, so that dust is easy to fly into the device, the cable electrifying effect of the device is affected, and the danger exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a puncture type electric power fitting and a use method thereof, which solve the problem that the existing puncture type electric power fitting device is inconvenient to fix cables with different diameters in the use process; when the device clamps and fixes the cable, the operation is troublesome; after the cable is clamped by the device, a certain gap exists between the pressing claw and the cable, so that dust is easy to fly into the device, the cable electrifying effect of the device is affected, and a certain dangerous problem exists.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a puncture type electric power fitting, includes the pipe, driven gear has been cup jointed to the side fixed of pipe, the equal fixed grafting of both sides of pipe inner wall has the disc, the side activity grafting of disc has the swivelling joint pipe, two the side fixedly connected with C shape connecting rod of swivelling joint pipe, the side fixedly connected with bi-directional motor of C shape connecting rod, bi-directional motor's side fixedly connected with worm, worm and driven gear meshing, two the relative one side fixedly connected with fastening mechanism of swivelling joint pipe, the inboard threaded connection of swivelling joint pipe has the nut, the side fixedly connected with fixture of nut, the side bonding of nut has rubber, fastening mechanism includes the round bar, the one end of round bar and the one end fixedly connected with of swivelling joint pipe, the other end of round bar rotates and is connected with the cardboard, the side fixedly connected with grip block of cardboard, the inboard fixedly connected with alternate needle and lug of grip block, the side that the transmission rod kept away from the cardboard is articulated with the side of disc, fixture includes, the side fixedly connected with nut is kept away from to the side of montant, the side of montant has the articulated joint bar, the articulated joint bar has the articulated joint spring.
Preferably, four arc-shaped diversion trenches are formed in the side face of the circular tube, and two of the four arc-shaped diversion trenches are distributed on two sides of the bidirectional motor in a group.
Preferably, the side of the bidirectional motor is fixedly sleeved with a protective shell, and the protective shell is fixedly connected with the side of the C-shaped connecting rod.
Preferably, the number of the transmission rods is eight, four transmission rods are a group of equidistant and annularly distributed on the side surfaces of the two discs, the transmission rods are arc-shaped, and reinforcing grooves are formed in the side surfaces of the transmission rods.
Preferably, the number of the fixing plates is four, two of the four fixing plates are distributed on two sides of the round tube in a group, the fixing plates are arc-shaped, and strip-shaped grooves are formed in the inner sides of the fixing plates.
Preferably, the method for using the puncture type electric power fitting comprises the following steps:
s1: the two cables are placed in the device by pulling the hinging rod, the hinging rod is driven to deflect and reset through the spring to clamp the cables through the matched fixing plate, then the bidirectional motor is started, the circular tube is driven to rotate through the clockwise rotation of the bidirectional motor matched with the driven gear, the driving rod is driven to rotate through the circular tube to drive the clamping plate to deflect, the cables are extruded and clamped through the clamping plate and the convex block, and penetration is driven to puncture the cables;
s2: then, the hinge rod is held and rotated, so that the nut is driven to rotate to drive the rubber to contact with the surface of the cable, and a gap between the cable and the clamping plate is blocked;
s3: then the hinging rod is loosened, and the fixing plate is urged to clamp the cable under the action of the spring.
The invention provides a puncture type electric power fitting and a use method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) According to the puncture type electric power fitting and the use method thereof, the driven gear is matched with the bidirectional motor in a counter-clockwise rotation mode to drive the circular tube to rotate, the circular tube drives the disc to rotate, the driving rod drives the clamping plates to deflect, the distance between the clamping plates is increased, then the cable is inserted into the circular tube to be driven by the bidirectional motor in a clockwise rotation mode to rotate, the driven gear is matched with the bidirectional motor in a clockwise rotation mode, then the cable is extruded and clamped through the clamping plate and the protruding block, and the cable with different diameters is conveniently placed in the circular tube to be clamped and fixed.
(2) According to the puncture type electric power fitting and the use method thereof, the bidirectional motor is used for clockwise rotation to be matched with the driven gear to drive the circular tube to rotate, the circular tube is used for driving the disc to rotate to drive the driving rod to drive the clamping plate to deflect, then the clamping plate is matched with the convex block to squeeze and clamp the cable for fixing, penetration is promoted to puncture the cable, then the spring and the fixing plate are used for secondarily fixing the cable, the operation is simple and convenient, and the cable is clamped more stably.
(3) According to the puncture type electric power fitting and the use method thereof, the hinge rod is held and rotated, so that the nut is driven to rotate to drive the rubber to contact with the surface of the cable, a gap between the cable and the clamping plate is blocked, the tightness of the device is ensured, and dust is prevented from drifting into the device.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of a partial perspective structure of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3B in accordance with the present invention;
FIG. 5 is a schematic perspective view of the present invention;
fig. 6 is an enlarged view of the structure of fig. 5 at C in accordance with the present invention.
In the figure: 1. a round tube; 2. a driven gear; 3. a disc; 4. a rotary tube; 5. a C-shaped connecting rod; 6. a bi-directional motor; 7. rubber; 8. a worm; 9. a fastening mechanism; 91. a round bar; 92. a clamping plate; 93. a clamping plate; 94. inserting a needle; 95. a transmission rod; 96. a bump; 10. a clamping mechanism; 101. a vertical rod; 102. a hinge rod; 103. a spring; 104. a fixing plate; 11. and (3) a nut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a puncture type electric power fitting comprises a circular tube 1, a driven gear 2 is fixedly sleeved on the side surface of the circular tube 1, discs 3 are fixedly spliced on two sides of the inner wall of the circular tube 1, rotating tubes 4 are movably spliced on the side surfaces of the discs 3, a C-shaped connecting rod 5 is fixedly connected to the side surfaces of the two rotating tubes 4, a bidirectional motor 6 is fixedly connected to the side surfaces of the C-shaped connecting rod 5, a worm 8 is fixedly connected to the side surfaces of the bidirectional motor 6, the worm 8 is meshed with the driven gear 2, a fastening mechanism 9 is fixedly connected to the opposite side of the two rotating tubes 4, a nut 11 is connected to the inner side threads of the rotating tubes 4, a clamping mechanism 10 is fixedly connected to the side surfaces of the nut 11, rubber 7 is adhered to the side surfaces of the nut 11, gaps between the cables and the clamping plates are blocked through deformation of the rubber 7, and tightness of the device is ensured.
In the invention, the fastening mechanism 9 comprises a round rod 91, one end of the round rod 91 is fixedly connected with one end of a rotating tube 4, the other end of the round rod 91 is rotationally connected with a clamping plate 92, the side surface of the clamping plate 92 is fixedly connected with a clamping plate 93, the inner side of the clamping plate 93 is fixedly connected with a penetrating needle 94, the inner side of the clamping plate 93 is movably inserted with a protruding block 96, the side surface of the protruding block 96 is movably connected with the inner side of the clamping plate 93 through a spring, the side surface of the clamping plate 92 is rotationally connected with a transmission rod 95, one end of the transmission rod 95 far away from the clamping plate 92 is hinged with the side surface of a disc 3, the round tube 1 is driven to rotate by clockwise rotation of a bidirectional motor 6, the round tube 1 is driven to rotate the disc 3, the transmission rod 95 is driven to deflect by the clamping plate 92, and then the cable is extruded and clamped by the matching of the clamping plate 93 and the protruding block 96.
In the invention, the clamping mechanism 10 comprises a vertical rod 101, one end of the vertical rod 101 is fixedly connected with the side surface of a nut 11, the other end of the vertical rod 101 is hinged with a hinge rod 102, the side surface of the hinge rod 102 is fixedly connected with a spring 103, one end of the spring 103 away from the hinge rod 102 is fixedly connected with the side surface of the vertical rod 101, one end of the hinge rod 102 away from the vertical rod 101 is hinged with a fixing plate 104, and the hinge rod 102 is matched with the fixing plate 104 to facilitate secondary clamping and fixing of cables on two sides of the device.
In the invention, four arc-shaped diversion trenches are arranged on the side surface of the circular tube 1, and two of the four arc-shaped diversion trenches are distributed on two sides of the bidirectional motor 6 in a group, so that the diversion of the liquid of the circular tube 1 is facilitated.
In the invention, the side surface of the bidirectional motor 6 is fixedly sleeved with the protective shell, and the protective shell is fixedly connected with the side surface of the C-shaped connecting rod 5 to protect the bidirectional motor 6 and prevent dust or rainwater from adhering to the bidirectional motor 6.
In the invention, the number of the transmission rods 95 is eight, four transmission rods 95 are a group of the transmission rods 95 and are distributed on the side surfaces of the two discs 3 in an annular mode at equal distance, the transmission rods 95 are arc-shaped, and reinforcing grooves are formed in the side surfaces of the transmission rods 95 to ensure that the transmission rods 95 on two sides deflect simultaneously.
In the invention, the number of the fixing plates 104 is four, two of the four fixing plates 104 are distributed on two sides of the circular tube 1 in a group, the shape of the fixing plates 104 is arc-shaped, and the inner sides of the fixing plates 104 are provided with strip-shaped grooves, so that the friction force between the fixing plates 104 and the surface of the cable is increased.
The application method of the puncture type electric power fitting comprises the following steps:
s1: the two cables are placed in the device by pulling the hinging rod 102, the hinging rod 102 is driven to deflect and reset through the spring 103 to clamp the cables through the matched fixing plate 104, the bidirectional motor 6 is started, the driven gear 2 is matched with the bidirectional motor 6 to rotate clockwise to drive the circular tube 1 to rotate, the circular tube 1 drives the disc 3 to rotate to drive the transmission rod 95 to drive the clamping plate 92 to deflect, the clamping plate 93 is matched with the convex block 96 to clamp and fix the cables, and the penetrating needle 94 is driven to puncture the cables;
s2: then, the hinge rod 102 is held and the hinge rod 102 is rotated, so that the nut 11 is driven to rotate to drive the rubber 7 to contact with the surface of the cable, and a gap between the cable and the clamping plate 93 is blocked;
s3: the hinge lever 102 is then released and the fixing plate 104 is urged to clamp the cable under the action of the spring 103.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a puncture type electric power fitting, includes pipe (1), its characterized in that: the side of pipe (1) is fixed to be cup jointed driven gear (2), the both sides of pipe (1) inner wall are all fixed grafting and are had disc (3), the side activity grafting of disc (3) has pivoted tube (4), two the side fixedly connected with C shape connecting rod (5) of pivoted tube (4), the side fixedly connected with bi-directional motor (6) of C shape connecting rod (5), the side fixedly connected with worm (8) of bi-directional motor (6), worm (8) and driven gear (2) meshing, two the side fixedly connected with fixture (9) that pivoted tube (4) are relative, the inboard threaded connection of pivoted tube (4) has nut (11), the side fixedly connected with fixture (10) of nut (11), the side bonding of nut (11) has rubber (7), fixture (9) are including round bar (91), the one end of round bar (91) and the one end fixedly connected with bi-directional motor (6), the other end of round bar (91) is rotated and is connected with worm (92) with boss (93) the inboard, boss (93) is connected with in the inboard fixedly connected with boss (93), and the side of lug (96) passes through the inboard swing joint of spring and grip block (93), the side of cardboard (92) rotates and is connected with transfer line (95), the one end that cardboard (92) was kept away from to transfer line (95) is articulated with the side of disc (3), fixture (10) include montant (101), the one end and the side fixed connection of nut (11) of montant (101), the other end of montant (101) articulates there is articulated rod (102), the side fixedly connected with spring (103) of articulated rod (102), the one end that articulated rod (102) was kept away from to spring (103) and the side fixed connection of montant (101), the one end that articulated rod (102) was kept away from montant (101) articulates there is fixed plate (104).
2. The penetration power fitting of claim 1, wherein: four arc guiding grooves are formed in the side face of the round tube (1), and two of the four arc guiding grooves are distributed on two sides of the bidirectional motor (6) in a group.
3. The penetration power fitting of claim 1, wherein: the side of the bidirectional motor (6) is fixedly sleeved with a protective shell, and the protective shell is fixedly connected with the side of the C-shaped connecting rod (5).
4. The penetration power fitting of claim 1, wherein: the number of the transmission rods (95) is eight, four transmission rods (95) are distributed on the side faces of the two discs (3) in an annular mode at equal intervals, the transmission rods (95) are arc-shaped, and reinforcing grooves are formed in the side faces of the transmission rods (95).
5. The penetration power fitting of claim 1, wherein: the number of the fixing plates (104) is four, two of the four fixing plates (104) are distributed on two sides of the round tube (1), the shape of each fixing plate (104) is arc-shaped, and a strip-shaped groove is formed in the inner side of each fixing plate (104).
6. The method of using a piercing power fitting of claim 1, comprising the steps of:
s1: two cables are placed in the device by pulling the hinging rod (102), the hinging rod (102) is driven to deflect and reset through the spring (103) to clamp the cables through the matched fixing plate (104), then the bidirectional motor (6) is started, the circular tube (1) is driven to rotate through the clockwise rotation of the bidirectional motor (6) and the driven gear (2), the circular tube (1) drives the disc (3) to rotate, the driving rod (95) drives the clamping plate (92) to deflect, then the clamping plate (93) is matched with the convex block (96) to clamp and fix the cables, and the penetrating needle (94) is driven to puncture the cables;
s2: then, the hinge rod (102) is held and the hinge rod (102) is rotated, so that the nut (11) is driven to rotate to drive the rubber (7) to contact with the surface of the cable, and a gap between the cable and the clamping plate (93) is blocked;
s3: the hinge rod (102) is then released, and the fixing plate (104) is urged to clamp the cable under the action of the spring (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432841.XA CN113131230B (en) | 2021-04-21 | 2021-04-21 | Puncture type electric power fitting and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432841.XA CN113131230B (en) | 2021-04-21 | 2021-04-21 | Puncture type electric power fitting and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113131230A CN113131230A (en) | 2021-07-16 |
| CN113131230B true CN113131230B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110432841.XA Active CN113131230B (en) | 2021-04-21 | 2021-04-21 | Puncture type electric power fitting and use method thereof |
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| CN (1) | CN113131230B (en) |
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| CN105552805A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | Improved electric power fitting for overhead line |
| CN105552803A (en) * | 2016-01-15 | 2016-05-04 | 胡妍 | Line clamp for splicing power line |
| CN107069254A (en) * | 2016-11-30 | 2017-08-18 | 胡妍 | A kind of power transmission and distribution splicing fitting |
| CN108598721A (en) * | 2018-06-15 | 2018-09-28 | 国家电网有限公司 | A kind of penetrating cable clamp electrification fire welding device and its branch thread-clamping device |
| WO2018176984A1 (en) * | 2017-03-28 | 2018-10-04 | 广州番禺电缆集团有限公司 | Dual-wheel cable fixing device |
| CN210404064U (en) * | 2019-08-31 | 2020-04-24 | 朱石贵 | Puncture type electric power fitting |
| CN211830120U (en) * | 2020-03-20 | 2020-10-30 | 新乡市天吉电力设备有限公司 | Electric power fitting with double wire clamping type |
| CN211920496U (en) * | 2020-04-17 | 2020-11-13 | 山东中安电力科技有限公司 | Cable draw gear for electric power construction |
| CN112234573A (en) * | 2020-10-26 | 2021-01-15 | 沂源县金源矿业有限公司 | Cable fixed wheel device for electric shovel |
-
2021
- 2021-04-21 CN CN202110432841.XA patent/CN113131230B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552805A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | Improved electric power fitting for overhead line |
| CN105552803A (en) * | 2016-01-15 | 2016-05-04 | 胡妍 | Line clamp for splicing power line |
| CN107069254A (en) * | 2016-11-30 | 2017-08-18 | 胡妍 | A kind of power transmission and distribution splicing fitting |
| WO2018176984A1 (en) * | 2017-03-28 | 2018-10-04 | 广州番禺电缆集团有限公司 | Dual-wheel cable fixing device |
| CN108598721A (en) * | 2018-06-15 | 2018-09-28 | 国家电网有限公司 | A kind of penetrating cable clamp electrification fire welding device and its branch thread-clamping device |
| CN210404064U (en) * | 2019-08-31 | 2020-04-24 | 朱石贵 | Puncture type electric power fitting |
| CN211830120U (en) * | 2020-03-20 | 2020-10-30 | 新乡市天吉电力设备有限公司 | Electric power fitting with double wire clamping type |
| CN211920496U (en) * | 2020-04-17 | 2020-11-13 | 山东中安电力科技有限公司 | Cable draw gear for electric power construction |
| CN112234573A (en) * | 2020-10-26 | 2021-01-15 | 沂源县金源矿业有限公司 | Cable fixed wheel device for electric shovel |
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| Publication number | Publication date |
|---|---|
| CN113131230A (en) | 2021-07-16 |
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Effective date of registration: 20230530 Address after: 062550 Industrial Zone, Liangzhao Town, Renqiu City, Cangzhou City, Hebei Province Applicant after: HEBEI ZHONGBEI ELECTRIC POWER ARMOUR CLAMP Co.,Ltd. Address before: 510000 No.3, middle Guangzhou Avenue, Yuexiu District, Guangzhou City, Guangdong Province Applicant before: Tian Hongming |
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