CN110233362B - Parallel groove clamp - Google Patents

Parallel groove clamp Download PDF

Info

Publication number
CN110233362B
CN110233362B CN201910527092.1A CN201910527092A CN110233362B CN 110233362 B CN110233362 B CN 110233362B CN 201910527092 A CN201910527092 A CN 201910527092A CN 110233362 B CN110233362 B CN 110233362B
Authority
CN
China
Prior art keywords
connecting sleeve
pressing blocks
parallel groove
groove clamp
pressing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910527092.1A
Other languages
Chinese (zh)
Other versions
CN110233362A (en
Inventor
张斌
徐芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910527092.1A priority Critical patent/CN110233362B/en
Publication of CN110233362A publication Critical patent/CN110233362A/en
Application granted granted Critical
Publication of CN110233362B publication Critical patent/CN110233362B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge

Landscapes

  • Wire Processing (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention provides a parallel groove clamp, which belongs to the technical field of electric power wiring equipment and comprises a connecting sleeve, a pressing block, a driving assembly and a non-return piece. The two pressing blocks are slidably arranged in the connecting sleeve, and one ends, far away from each other, of the two pressing blocks respectively form a crimping space with the inner wall of the connecting sleeve; the driving assembly is arranged on the connecting sleeve; two non return spare settings are sheathe in the connecting, and with two briquetting one-to-one. According to the parallel groove clamp provided by the invention, two wires respectively penetrate into the crimping space formed by one end, away from each other, of each of the two pressing blocks and the inner wall of the connecting sleeve, the driving assembly drives the two pressing blocks to be away from each other, the two wires are respectively pressed in the crimping space, and the pressing blocks for pressing the wires are respectively fixed through the two non-return pieces.

Description

Parallel groove clamp
Technical Field
The invention belongs to the technical field of electric power wiring equipment, and particularly relates to a parallel groove clamp.
Background
The parallel groove clamp is used for connecting aluminum stranded wires or steel-cored aluminum stranded wires with middle and small cross sections and steel stranded wires of overhead ground wires at positions not bearing tension, and is also used for jumper connection of non-linear towers. The connecting wires of electric power engineering material (hardware fitting) are used for interconnection, and are mainly used for electric power line engineering.
A conventional parallel groove clamp is composed of two jaws placed in a stack and at least one bolt, and at least two wires are connected by adjusting a distance between the two jaws by rotating the bolt. When using parallel groove clamp connecting wire in high altitude construction, the operation personnel carry the instrument of screwing up the bolt often more troublesome, not only can increase the degree of difficulty of operation, have the instrument moreover and fall the risk of hindering the people from the high altitude.
Disclosure of Invention
The invention aims to provide a parallel groove clamp, and aims to solve the problems that when a parallel groove clamp is used for connecting a wire in high-altitude operation, an operator often has trouble in carrying a tool for screwing a bolt, the operation difficulty is increased, and the risk that the tool falls from high altitude and hurts people exists.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a parallel groove clamp including:
connecting sleeves;
the two pressing blocks are arranged in the connecting sleeve in a sliding manner, and one ends, far away from each other, of the two pressing blocks and the inner wall of the connecting sleeve respectively form a crimping space for crimping a lead;
the driving assembly is arranged on the connecting sleeve and used for driving the two pressing blocks to be away from each other and pressing the lead into the crimping space;
two non return spare sets up on the connecting sleeve, and with two the briquetting one-to-one for block two the briquetting is close to each other.
Further, the drive assembly includes:
the driving plate is arranged on the connecting sleeve through an elastic piece;
the oblique wedge is arranged at the lower end of the driving plate, the lower end of the oblique wedge penetrates into the connecting sleeve and is located between the two pressing blocks, and the oblique wedge penetrates into the connecting sleeve and is used for abutting against the two pressing blocks to be away from each other.
Further, the elastic part is a spring, is arranged between the outer wall of the connecting sleeve and the driving plate, and is used for supporting and rebounding the driving plate.
Furthermore, the springs are uniformly distributed between the connecting sleeve and the driving plate.
Further, the driving plate and the tapered wedge are integrally formed.
Furthermore, the opposite surfaces of the two pressing blocks are inclined surfaces matched with the inclined surfaces of the inclined wedges.
Further, the check member includes:
one end of the elastic sheet is a fixed end connected with the connecting sleeve, and the other end of the elastic sheet is a free end which can be close to or far away from the connecting sleeve;
the plurality of non-return teeth are sequentially arranged on the side wall of the elastic sheet close to the inner cavity of the connecting sleeve along the sliding direction of the pressing block;
and the positioning teeth are fixedly arranged on one side of the pressing blocks, which is close to the non-return teeth, and are used for being in clamping fit with the non-return teeth to limit the two pressing blocks to be close to each other.
Furthermore, a holding part is arranged on one side, close to the free end, of the upper end face of the elastic sheet.
Furthermore, the opposite surfaces of the non-return tooth and the positioning tooth are inclined surfaces with opposite slopes, the opposite surfaces of the non-return tooth and the positioning tooth are vertical surfaces, when the two pressing blocks slide oppositely, the inclined surfaces of the positioning tooth abut against the inclined surfaces of the non-return tooth and slide mutually, the elastic piece is jacked to be away from the connecting sleeve, and the positioning tooth can sequentially pass through the plurality of non-return teeth; when two the briquetting is close to each other, the perpendicular of location tooth supports and leans on the perpendicular of non return tooth, blocks two the briquetting is close to each other.
Furthermore, one end, far away from each other, of each of the two pressing blocks is an inwards concave cambered surface.
Further, be equipped with the slide on the inner wall of adapter sleeve, two the briquetting all seted up with slide sliding fit's spout.
The parallel groove clamp provided by the invention has the beneficial effects that: compared with the prior art, the parallel groove clamp has the advantages that two wires penetrate into the crimping space formed by the end, away from each other, of the two pressing blocks and the inner wall of the connecting sleeve respectively, the driving assembly drives the two pressing blocks to be away from each other, the two wires are pressed in the crimping space respectively, the pressing blocks for pressing the wires are fixed through the two non-return pieces respectively, the two pressing blocks are prevented from being close to each other, and therefore the two wires are connected through the parallel groove clamp.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a top view of a parallel groove clamp according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
fig. 5 is an enlarged view at D in fig. 2.
In the figure: 1. connecting sleeves; 2. briquetting; 3. a drive assembly; 301. a drive plate; 302. oblique wedge; 303. a spring; 4. a check member; 401. a spring plate; 402. a non-return tooth; 403. positioning teeth; 404. a grip portion; 5. a slideway; 6. a chute.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A parallel groove clamp provided by the present invention will now be described. Referring to fig. 1 to 4, a parallel groove clamp includes a connecting sleeve 1, a pressing block 2, a driving assembly 3 and a check member 4.
The two pressing blocks 2 are slidably arranged in the connecting sleeve 1, and one ends, far away from each other, of the two pressing blocks 2 and the inner wall of the connecting sleeve 1 respectively form a crimping space for crimping a lead; the driving component 3 is arranged on the connecting sleeve 1 and used for driving the two pressing blocks 2 to be away from each other and pressing the lead in the crimping space; two non return spare 4 sets up on adapter sleeve 1, and with two briquetting 2 one-to-one for block that two briquetting 2 are close to each other.
Adapter sleeve 1 is flat drum shape, both ends are open, two briquetting 2 slidable install in adapter sleeve 1, the slip direction is perpendicular with adapter sleeve 1's axis direction, drive assembly 3 can drive two briquetting 2 simultaneously and keep away from each other, two briquetting 2 of keeping away from each other form the crimping space with adapter sleeve 1's inner wall respectively, be used for the crimping wire, non return piece 4 and briquetting 2 one-to-one, be used for blockking that two briquetting 2 are close to each other, make briquetting 2 compress tightly the wire on adapter sleeve 1's inner wall, it uses the parallel groove fastener to connect to accomplish two wires.
Compared with the prior art, the parallel groove clamp provided by the invention has the advantages that two wires respectively penetrate into the crimping space formed by the end, away from each other, of each of the two pressing blocks 2 and the inner wall of the connecting sleeve 1, the driving assembly 3 drives the two pressing blocks 2 to be away from each other, the two wires are respectively pressed in the crimping space, the pressing blocks 2 for pressing the wires are respectively fixed through the two non-return pieces 4, the two pressing blocks 2 are prevented from being close to each other, so that the connection of the two wires through the parallel groove clamp is completed, when the parallel groove clamp is used for connecting the wires in high-altitude operation, an operator does not need to carry a tool for screwing a bolt, the connection of the wires can be completed only by using the driving assembly 3, the operation difficulty is reduced, and the risk that the tool falls from high altitude to hurt people.
Referring to fig. 1, 2 and 4, as an embodiment of the present invention, the driving assembly 3 includes a driving plate 301 and a wedge 302.
The driving plate 301 is arranged on the connecting sleeve 1 through an elastic piece; the oblique wedge 302 is arranged at the lower end of the driving plate 301, the lower end penetrates into the connecting sleeve 1 and is located between the two pressing blocks 2, and the oblique wedge 302 penetrates into the connecting sleeve 1 and is used for abutting against the two pressing blocks 2 to be away from each other. In this embodiment, the drive plate 301 is located the outside of adapter sleeve 1, connect on the lateral wall of adapter sleeve 1 through the elastic component, the section of chute 302 is trapezoidal, trapezoidal long limit one side and drive plate 301's lower terminal surface fixed connection, a through-hole has been seted up to the one end that adapter sleeve 1 was equipped with drive plate 301, the less end of chute 302 penetrates adapter sleeve 1 from this through-hole, chute 302 is located between two briquetting 2, use external force to press down drive plate 301, drive plate 301 removes to adapter sleeve 1, it constantly penetrates inside adapter sleeve 1 to drive chute 302, thereby extrude two briquetting 2 and remove to opposite direction, make the crimping space constantly reduce, compress tightly the wire in the crimping space, accomplish the fixed of wire.
Referring to fig. 2, as an embodiment of the present invention, the elastic member is a spring 303 disposed between the outer wall of the connecting sleeve 1 and the driving plate 301 for supporting and rebounding the driving plate 301. In this embodiment, one end of the spring 303 is welded and fixed on the outer wall of the connection sleeve 1, the other end of the spring 303 is welded and fixed on the side wall of the drive plate 301 close to the connection sleeve 1, when external force is not applied to the drive plate 301, the spring 303 supports the drive plate 301, when external force is applied to the drive plate 301, the drive plate 301 drives the oblique wedge 302 to move downwards to complete the movement of the two press blocks 2 in opposite directions, the spring 303 can drive the drive plate 301 to rebound, so that the drive plate can return to the initial position, and the problem of adhesion or corrosion caused by the long-term contact between the oblique wedge 302 and the two press.
As an embodiment of the present invention, referring to fig. 2, a plurality of springs 303 are uniformly distributed between the connecting sleeve 1 and the driving plate 301. In this embodiment, a plurality of springs 303 evenly distributed can make drive plate 301 more stable when not atress, when drive plate 301 rebounds, can make drive plate 301 kick-back completely to initial condition, avoids repeatedly compressing single spring 303 again, causes spring 303 to appear crooked, causes the condition that drive plate 301 kick-backs not in place.
Referring to fig. 2, as an embodiment of the present invention, a driving plate 301 and a tapered wedge 302 are integrally formed. In this embodiment, the integrally formed structure can stabilize the structures of the driving plate 301 and the tapered wedge 302.
Referring to fig. 2, as an embodiment of the present invention, the opposite surfaces of the two pressing blocks 2 are both inclined surfaces matching with the inclined surfaces of the inclined wedge 302. In this embodiment, the inclined plane on the briquetting 2 and the inclined plane phase-match of tapered wedge 302 ensure that tapered wedge 302 constantly penetrates when adapter sleeve 1, can make briquetting 2 pass through the stable removal of assorted inclined plane.
Referring to fig. 1 and 3, the check member 4 includes a resilient plate 401, a check tooth 402 and a positioning tooth 403.
One end of the elastic sheet 401 is a fixed end connected with the connecting sleeve 1, and the other end is a free end which can be close to or far away from the connecting sleeve 1; the plurality of check teeth 402 are sequentially arranged on the side wall of the elastic sheet 401 close to the inner cavity of the connecting sleeve 1 along the sliding direction of the pressing block 2; the positioning teeth 403 are fixedly arranged on one side of the pressing block 2 close to the check teeth 402 and used for being in clamping fit with the check teeth 402 to limit the two pressing blocks 2 to be close to each other. In this embodiment, the quantity of shell fragment 401 is four, evenly distributed is on adapter sleeve 1 is close to the lateral wall of drive plate 301, the shell fragment 401 of both sides is the symmetric distribution, the one end that shell fragment 401 is close to adapter sleeve 1 middle part is the free end, the other end is the stiff end, stiff end and adapter sleeve 1 integrated into one piece, two briquetting 2 opposite movement, thereby location tooth 403 and non return tooth 402 touch the free end upwarp that all can shell fragment 401 at every turn, thereby make briquetting 2 loop through a plurality of non return teeth 402, but when two briquetting 2 want to be close to each other, location tooth 403 touches non return tooth 402 once more, accomplish the non return action, effectively avoid two briquetting 2 to be close to each other, ensure that briquetting 2 can compress tightly the wire, accomplish the fixed of wire.
As an embodiment of the present invention, referring to fig. 1 and fig. 3, a holding portion 404 is disposed on a side of the upper end surface of the elastic sheet 401 close to the free end. In this embodiment, the holding portion 404 is an L-shaped plate structure, the welding is fixed on the side of the upper end surface of the elastic plate 401 close to the free end, an opening facing the fixed end of the elastic plate 401 is formed with the elastic plate 401, when the wire is to be detached from the parallel groove clamp, the operator can pull the holding portion 404 upwards by hooking the opening or directly grasping the opening, the free end of the elastic plate 401 is driven to move towards the side away from the connecting sleeve 1, the positioning teeth 403 and the non-return teeth 402 which are clamped with each other are separated, the action is sequentially completed, two pressing blocks 2 can be close to each other, the crimping space is continuously enlarged, the wire can be separated, and the detachment action of the wire is completed.
As a specific embodiment of the present invention, please refer to fig. 5, the opposite surfaces of the check tooth 402 and the positioning tooth 403 are inclined surfaces with opposite slopes, the opposite surfaces of the check tooth 402 and the positioning tooth 403 are vertical surfaces, when the two pressing blocks 2 slide in opposite directions, the inclined surfaces of the positioning tooth 403 abut against the inclined surfaces of the check tooth 402 and slide with each other, the jacking elastic piece 401 is far away from the connecting sleeve 1, and the positioning tooth 403 can sequentially pass through the check teeth 402; when the two pressing blocks 2 approach each other, the vertical surface of the positioning tooth 403 abuts against the vertical surface of the check tooth 402, and the two pressing blocks 2 are blocked from approaching each other. In this embodiment, the two pressing blocks 2 move oppositely, the pressing block 2 drives the positioning teeth 403 to sequentially touch the check teeth 402 on the inner wall of the connecting sleeve 1, the stressed end is close to the free end of the elastic sheet 401, and two surfaces of the positioning teeth 403 and the check teeth 402, which touch each other, are slope-matched and mutually-attached inclined surfaces, and an upward component force is generated, so that the free end of the elastic sheet 401 tilts each time the positioning teeth 403 and the check teeth 402 touch each other, so that the pressing block 2 sequentially passes through the check teeth 402, but when the two pressing blocks 2 want to be close to each other, the positioning teeth 403 touch the check teeth 402 again, two surfaces of the positioning teeth 403 and the check teeth 402, which touch each other, are perpendicular surfaces, are parallel to each other, and cannot generate an upward component force, so that one side of the positioning teeth 403 and the check teeth 402 completes a check action, effectively avoids the two pressing blocks 2 from being close, and finishing the fixation of the lead.
Referring to fig. 2 and 3, as an embodiment of the present invention, one end of each of the two pressing blocks 2 away from each other is a concave arc surface. In this embodiment, when the wire is pressed tightly in the crimping space through the pressing block 2 and the connecting sleeve 1, the crimping space formed by the concave arc surface of the pressing block 2 and the inner wall of the connecting sleeve 1 forms an approximate circle, and when the wire is extruded in the crimping space, the pressure applied to the wire is relatively uniform, so that the condition that the wire is crushed by the pressing block 2 and the inner wall of the connecting sleeve 1 is avoided.
As an embodiment of the present invention, please refer to fig. 2 to 4, a slide way 5 is disposed on an inner wall of the connecting sleeve 1, and the two pressing blocks 2 are both provided with a sliding chute 6 in sliding fit with the slide way 5. In the embodiment, the number of the slide ways 5 is two, and the slide ways are vertical to the central axis of the connecting sleeve 1, the pressing blocks 2 correspond to the two pressing blocks 2 one by one, the pressing blocks 2 are provided with sliding chutes 6 matched with the sliding ways 5, the pressing blocks 2 slide in the connecting sleeve 1 through the matching of the sliding chutes 6 and the sliding ways 5, the section of the sliding way 5 is T-shaped, the pressing blocks 2 slide along the sliding ways 5 and are limited by the inner walls at the two sides of the connecting sleeve 1, and the two pressing blocks 2 are limited, the two pressing blocks 2 can not slip off the slide way 5, the depth of the slide way 5 entering the slide way 6 is larger than the distance between one side of the pressing block 2 not provided with the slide way 6 and the inner wall of the connecting sleeve 1, so that even if the pressing block 2 is separated from the slide way 5, because the height direction briquetting 2 and the restriction of adapter sleeve 1 inner wall distance, briquetting 2 also can not break away from sliding, consequently, briquetting 2 is comparatively stable for slide 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A parallel groove clamp, comprising:
connecting sleeves;
the two pressing blocks are arranged in the connecting sleeve in a sliding manner, and one ends, far away from each other, of the two pressing blocks and the inner wall of the connecting sleeve respectively form a crimping space for crimping a lead;
the driving assembly is arranged on the connecting sleeve and used for driving the two pressing blocks to be away from each other and pressing the lead into the crimping space;
the two check pieces are arranged on the connecting sleeve, correspond to the two pressing blocks one by one and are used for blocking the two pressing blocks from approaching each other; the connecting sleeve is in a flat cylindrical shape, and two ends of the connecting sleeve are open; a slideway is arranged on the inner wall of the connecting sleeve, and two pressing blocks are both provided with a sliding chute in sliding fit with the slideway;
the check member includes:
one end of the elastic sheet is a fixed end connected with the connecting sleeve, and the other end of the elastic sheet is a free end which can be close to or far away from the connecting sleeve;
the plurality of non-return teeth are sequentially arranged on the side wall of the elastic sheet close to the inner cavity of the connecting sleeve along the sliding direction of the pressing block;
and the positioning teeth are fixedly arranged on one side of the pressing blocks, which is close to the non-return teeth, and are used for being in clamping fit with the non-return teeth to limit the two pressing blocks to be close to each other.
2. A parallel groove clamp as claimed in claim 1, wherein said drive assembly comprises:
the driving plate is arranged on the connecting sleeve through an elastic piece;
the oblique wedge is arranged at the lower end of the driving plate, the lower end of the oblique wedge penetrates into the connecting sleeve and is located between the two pressing blocks, and the oblique wedge penetrates into the connecting sleeve and is used for abutting against the two pressing blocks to be away from each other.
3. A parallel groove clamp as claimed in claim 2, wherein said elastic member is a spring provided between an outer wall of said connecting sleeve and said driving plate for supporting and rebounding said driving plate.
4. A parallel groove clamp as claimed in claim 3, wherein said springs are provided in plurality and uniformly distributed between said connecting sleeve and said drive plate.
5. A parallel groove clamp as claimed in claim 2, wherein said drive plate is integrally formed with said tapered wedge.
6. A parallel groove clamp as claimed in claim 2, wherein the opposed faces of both said blocks are inclined to match the inclined faces of said tapered wedges.
7. A parallel groove clamp as claimed in claim 1, wherein a gripping portion is provided on a side of the upper end surface of the resilient plate adjacent the free end.
8. The parallel groove clamp of claim 1, wherein the opposite surfaces of the non-return tooth and the positioning tooth are inclined surfaces with opposite slopes, the opposite surfaces of the non-return tooth and the positioning tooth are vertical surfaces, when the two pressing blocks slide in opposite directions, the inclined surfaces of the positioning tooth abut against the inclined surfaces of the non-return tooth and slide with each other, the elastic piece is jacked to be away from the connecting sleeve, and the positioning tooth can sequentially pass through the plurality of non-return teeth; when two the briquetting is close to each other, the perpendicular of location tooth supports and leans on the perpendicular of non return tooth, blocks two the briquetting is close to each other.
9. A parallel groove clamp as claimed in claim 1, wherein the ends of said two blocks remote from each other are concave curved surfaces.
CN201910527092.1A 2019-06-18 2019-06-18 Parallel groove clamp Active CN110233362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910527092.1A CN110233362B (en) 2019-06-18 2019-06-18 Parallel groove clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910527092.1A CN110233362B (en) 2019-06-18 2019-06-18 Parallel groove clamp

Publications (2)

Publication Number Publication Date
CN110233362A CN110233362A (en) 2019-09-13
CN110233362B true CN110233362B (en) 2020-11-17

Family

ID=67859777

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910527092.1A Active CN110233362B (en) 2019-06-18 2019-06-18 Parallel groove clamp

Country Status (1)

Country Link
CN (1) CN110233362B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2640059Y (en) * 2003-07-21 2004-09-08 吕波 Wedge automatic locking cable clamp
CN104566246A (en) * 2013-10-22 2015-04-29 深圳市海洋王照明工程有限公司 Cable clamp mechanism of lamp
CN205122815U (en) * 2015-11-16 2016-03-30 国家电网公司 Anticreep formula parallel groove clamp
CN207529891U (en) * 2017-12-19 2018-06-22 张晓娟 A kind of lead clamp device of breaker
CN109449621A (en) * 2018-12-12 2019-03-08 永固集团股份有限公司 A kind of c-type wire clamp
EP3462545A1 (en) * 2017-10-02 2019-04-03 Panduit Corp Grounding clamps and torque-controlled fasteners

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202259721U (en) * 2011-10-19 2012-05-30 固力发集团有限公司 Maintenance-free C-shaped connecting wire clip

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2640059Y (en) * 2003-07-21 2004-09-08 吕波 Wedge automatic locking cable clamp
CN104566246A (en) * 2013-10-22 2015-04-29 深圳市海洋王照明工程有限公司 Cable clamp mechanism of lamp
CN205122815U (en) * 2015-11-16 2016-03-30 国家电网公司 Anticreep formula parallel groove clamp
EP3462545A1 (en) * 2017-10-02 2019-04-03 Panduit Corp Grounding clamps and torque-controlled fasteners
CN207529891U (en) * 2017-12-19 2018-06-22 张晓娟 A kind of lead clamp device of breaker
CN109449621A (en) * 2018-12-12 2019-03-08 永固集团股份有限公司 A kind of c-type wire clamp

Also Published As

Publication number Publication date
CN110233362A (en) 2019-09-13

Similar Documents

Publication Publication Date Title
CN214068920U (en) Quick grounding wire clamp
CN111641167B (en) Power transmission line connection fitting
CN110233362B (en) Parallel groove clamp
RU2360344C1 (en) Tension clamp
CN204633278U (en) Strain clamp
CN210430727U (en) Anti-twist wire rope clamping device
CN210461542U (en) One-way locker of steel wire rope
CN212751745U (en) Central anti-cracking and anti-breaking device for remote power transmission line
CN109038435B (en) Automatic clamping type wedge-shaped strain clamp
CN111305545A (en) Pipe scaffold connects and pipe scaffold
CN204668496U (en) A kind of termination
CN218621873U (en) Steel strand connector
CN211830115U (en) Bolt type strain clamp
CN219975723U (en) Anti-oxidation wall pipe convenient to fix
CN215990144U (en) Preformed bolt damper
CN218070959U (en) Bolt type strain clamp capable of increasing grip strength
CN209767107U (en) span strain clamp
CN212726421U (en) High-strength bolt strain clamp
CN216251432U (en) Grounding piece capable of deforming
CN2287345Y (en) Transmission line tensioner
CN205429654U (en) Wedge type aluminum alloy high -voltage cable strain insulator tension disk
CN215728284U (en) High-strength pressurizing clamp for high-voltage test
CN214618202U (en) Special pipeline fastener structure
CN203956807U (en) The whole slow-witted mouth spanner of a kind of clearance self-regulating
CN216152228U (en) Installation auxiliary tool of pneumatic frame column type drilling machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant