CN113300303B - Strain clamp for erecting cable - Google Patents
Strain clamp for erecting cable Download PDFInfo
- Publication number
- CN113300303B CN113300303B CN202110591951.0A CN202110591951A CN113300303B CN 113300303 B CN113300303 B CN 113300303B CN 202110591951 A CN202110591951 A CN 202110591951A CN 113300303 B CN113300303 B CN 113300303B
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- Prior art keywords
- cable
- fastening structure
- rod
- connecting rod
- wire
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
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- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of electric power fittings and discloses a strain clamp for erecting a cable, which comprises a fixing frame, a wire plate, a stretching piece, a preformed armor rod, a fastening structure and an adjusting piece, wherein the fixing frame is fixedly connected with the wire plate; one end of the fixing frame is rotatably connected with the wire board, two stretching pieces are arranged and are installed at two ends of the wire board, and the other end of each stretching piece is connected with the cable through a preformed armor rod; the fastening structure is installed on the cable, and the two sides of the fastening structure are connected with the wire board through the adjusting piece. This strain clamp is used in cable erects drags the cable from two directions through two sets of tensile pieces and preformed armor rods cooperation to utilize fastening structure fastening cable, cooperate the regulating part again and connect fastening structure, further improve the grip of fastener, thereby satisfy the pulling force demand.
Description
Technical Field
The invention relates to the technical field of electric power fittings, in particular to a strain clamp for erecting a cable.
Background
The strain clamp is a hardware tool used for fixing a wire to bear the tension of the wire and hanging the wire on a strain insulator-string set or a tower, and can be roughly divided into two types according to different structures and installation conditions. The first type: the strain clamp bears the whole tension of the lead or the lightning conductor, the clamp gripping force is not less than 90 of the rated tension of the installed lead or the lightning conductor, but the strain clamp does not serve as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The cable clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like. The second type: the strain clamp can bear all the tensile force of the conducting wire or the lightning conductor and can also be used as a conductor. Therefore, once the wire clamp is installed, the wire clamp can not be disassembled any more, and the wire clamp is also called a dead wire clamp.
The existing strain clamp is insufficient in bearing capacity, the clamp holding power cannot meet the requirement easily, and therefore the strain clamp for cable erection is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a strain clamp for erecting a cable.
The invention provides the following technical scheme: a strain clamp for erecting a cable comprises a fixing frame, a wire plate, a stretching piece, a preformed armor rod, a fastening structure and an adjusting piece;
one end of the fixing frame is rotatably connected with the wire board, two stretching pieces are arranged at two ends of the wire board, and the other end of each stretching piece is connected with the cable through a preformed armor rod;
the fastening structure is arranged on the cable, and two sides of the fastening structure are connected with the wire board through the adjusting piece.
Preferably, the tensile piece includes connecting rod, steering spindle and extension rod, the one end of connecting rod is passed through the bolt and is connected with the line board rotation, the steering spindle that turns to from top to bottom is installed to the other end of connecting rod, the extension rod that turns to around the other end of steering spindle is installed, and the other end of extension rod passes through preformed armor rods and twines on the cable.
Preferably, the preformed armor rods are wound around the cable and connected by a clamp.
Preferably, fastening structure includes casing and voussoir, the internally mounted of casing has the tongue-and-groove, the voussoir comprises two voussoirs that are L shape, and the inboard of voussoir is equipped with the wire casing, two the voussoir passes through bolted connection, the inside tongue-and-groove joint of voussoir and casing.
Preferably, the tongue-and-groove is designed as a wedge-shaped groove, and one end of the wedge is embedded into the tongue-and-groove.
Preferably, the regulating part includes tie-beam, threaded rod and connecting rod, the one end of tie-beam is passed through the bolt and is rotated with the line board and be connected, and the other end of tie-beam rotates with the one end of threaded rod to be connected, the other end and the connecting rod of threaded rod are connected, and the other end of connecting rod is connected with fastening structure through the pivot.
Preferably, the other end of the threaded rod passes through the connecting rod and is fastened by two sets of nuts.
Compared with the prior art, the invention has the following beneficial effects:
this strain clamp is used in cable erects drags the cable from two directions through two sets of tensioning members and preformed armor rods cooperation to utilize fastening structure fastening cable, cooperate the regulating part again and connect fastening structure, further improve the grip of fastener, thereby satisfy the pulling force demand, and the installation is convenient, is applicable to the cable and erects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the fastening structure of the present invention.
In the figure: 1. a fixed mount; 2. a line board; 3. a tension member; 31. a connecting rod; 32. a steering shaft; 33. an extension rod; 4. pre-stranding; 5. a fastening structure; 51. a housing; 52. wedge blocks; 6. an adjustment member; 61. a connecting beam; 62. a threaded rod; 63. a connecting rod; 7. and (5) clamping a hoop.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and in order to keep the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known parts of the disclosure are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.
Referring to fig. 1-2, a strain clamp for erecting a cable comprises a fixing frame 1, a wire plate 2, two stretching pieces 3, two pre-twisted wires 4, a fastening structure 5 and an adjusting piece 6, wherein one end of the fixing frame 1 is rotatably connected with the wire plate 2, the two stretching pieces 3 are arranged at two ends of the wire plate 2, the other end of each stretching piece 3 is connected with the cable through the pre-twisted wires 4, the fastening structure 5 is arranged on the cable, two sides of the fastening structure 5 are connected with the wire plate 2 through the adjusting piece 6, the cable is pulled from two directions through the matching of the two groups of stretching pieces 3 and the pre-twisted wires 4, the cable is fastened through the fastening structure 5, the adjusting piece 6 is matched to connect the fastening structure 5, and the grip strength of a clamping valve is further improved, so that the requirement of tension is met.
Tensile piece 3 includes connecting rod 31, steering spindle 32 and extension rod 33, the one end of connecting rod 31 is passed through the bolt and is connected with the rotation of line board 2, steering spindle 32 that turns to about the other end of connecting rod 31 is installed, the extension rod 33 that turns to around steering spindle 32's the other end is installed, and extension rod 33's the other end passes through preformed armor rods 4 winding on the cable, utilizes tensile piece 3 to be convenient for pull preformed armor rods 4, and preformed armor rods 4 install on the cable to stretch the cable, and the cable receives external force, utilizes tensile piece 3 to reduce the cable and receives the range of rocking.
Preformed armor rods 4 twine on the cable and connect through clamp 7, utilize clamp 7 to fasten preformed armor rods 4 of winding on the cable, further improve the pulling force demand of preformed armor rods 4 to the cable.
Fastening structure 5 includes casing 51 and voussoir 52, casing 51's internally mounted has the tongue-and-groove, voussoir 52 comprises two voussoirs that are L shape, and voussoir 52's inboard is equipped with the wire casing, two voussoir 52 passes through bolted connection, voussoir 52 and the inside tongue-and-groove joint of casing 51, the tongue-and-groove is the wedge groove design, and in voussoir 52's one end embedding tongue-and-groove, because voussoir 52 installs on the cable, and the voussoir 52 increase of L shape and the frictional force of cable, avoid voussoir 52 to slide on the cable, and voussoir 52 imbeds in casing 51 to utilize regulating part 6 to drag, consequently if the cable rocks the inside that can spur voussoir 52 further deepening casing 51, and voussoir 52 receives the extrusion of tongue-and groove, further suppress the cable, thereby improve the pulling force to the cable.
Regulating part 6 includes tie-beam 61, threaded rod 62 and connecting rod 63, the one end of tie-beam 61 is passed through the bolt and is rotated with line board 2 and be connected, and the other end of tie-beam 61 and the one end of threaded rod 62 rotate to be connected, the other end of threaded rod 62 is connected with connecting rod 63, and the other end of connecting rod 63 is connected with fastening structure 5 through the pivot, the other end of threaded rod 62 passes connecting rod 63 and fastens through two sets of nuts, utilizes nut adjustable threaded rod 62 and connecting rod 63 to be connected length to make regulating part 6 pull fastening structure 5.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (5)
1. The utility model provides a cable erects and uses strain clamp which characterized in that: comprises a fixing frame (1), a wire plate (2), a stretching piece (3), a preformed armor rod (4), a fastening structure (5) and an adjusting piece (6);
one end of the fixing frame (1) is rotatably connected with the wire board (2), two stretching pieces (3) are arranged and are installed at two ends of the wire board (2), and the other end of each stretching piece (3) is connected with a cable through a preformed armor rod (4);
the fastening structure (5) is installed on a cable, and two sides of the fastening structure (5) are connected with the wire board (2) through adjusting pieces (6);
the stretching piece (3) comprises a connecting rod (31), a steering shaft (32) and an extension rod (33), one end of the connecting rod (31) is rotatably connected with the wire plate (2) through a bolt, the steering shaft (32) which can turn up and down is installed at the other end of the connecting rod (31), the extension rod (33) which can turn back and forth is installed at the other end of the steering shaft (32), and the other end of the extension rod (33) is wound on a cable through a preformed armor rod (4);
fastening structure (5) include casing (51) and voussoir (52), the internally mounted of casing (51) has the tongue-and-groove, voussoir (52) comprise two voussoirs that are L shape, and the inboard of voussoir (52) is equipped with the wire casing, two voussoir (52) pass through bolted connection, voussoir (52) and the inside tongue-and-groove joint of casing (51).
2. The tension-resistant cable clamp for cable erection according to claim 1, characterized in that: the preformed armor rods (4) are wound on the cables and connected through the hoops (7).
3. The strain clamp for cable erection according to claim 1, wherein: the tongue-and-groove is designed as a wedge-shaped groove, and one end of the wedge block (52) is embedded into the tongue-and-groove.
4. The strain clamp for cable erection according to claim 1, wherein: regulating part (6) are including tie-beam (61), threaded rod (62) and connecting rod (63), the one end of tie-beam (61) is passed through the bolt and is rotated with line board (2) and be connected, and the other end of tie-beam (61) rotates with the one end of threaded rod (62) and is connected, the other end and the connecting rod (63) of threaded rod (62) are connected, and the other end of connecting rod (63) is connected with fastening structure (5) through the pivot.
5. The strain clamp for cable erection according to claim 4, wherein: the other end of the threaded rod (62) passes through the connecting rod (63) and is fastened through two sets of nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591951.0A CN113300303B (en) | 2021-05-28 | 2021-05-28 | Strain clamp for erecting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591951.0A CN113300303B (en) | 2021-05-28 | 2021-05-28 | Strain clamp for erecting cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113300303A CN113300303A (en) | 2021-08-24 |
| CN113300303B true CN113300303B (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110591951.0A Active CN113300303B (en) | 2021-05-28 | 2021-05-28 | Strain clamp for erecting cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN113300303B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102929613B1 (en) | 2022-01-18 | 2026-02-23 | 한국전력공사 | Structure of deadend clamp for tension of overhead wire |
Citations (6)
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|---|---|---|---|---|
| WO2002073765A1 (en) * | 2001-03-14 | 2002-09-19 | Ensto Sekko Oy | Anchor clamp for the termination of an overhead cable |
| RU2435265C1 (en) * | 2010-09-24 | 2011-11-27 | Закрытое Акционерное Общество "Мзва" | Tension wedge clamp |
| CN203056507U (en) * | 2013-01-31 | 2013-07-10 | 重庆自勇科技有限公司 | Wedge-shape strain clamp |
| CN204497698U (en) * | 2014-11-18 | 2015-07-22 | 北京帕尔普线路器材有限公司 | The backup strain clamp that erection cable uses |
| CN109066553A (en) * | 2018-09-16 | 2018-12-21 | 安徽华希电力科技有限公司 | A kind of double protection attachment devices of band buffering aerial earth wire |
| CN112564007A (en) * | 2020-12-31 | 2021-03-26 | 江苏川都电力科技有限公司 | Wedge-shaped safety backup wire clamp mounting structure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013102630A (en) * | 2011-11-09 | 2013-05-23 | Chugoku Electric Power Co Inc:The | Anchor clamp |
| CN103963666B (en) * | 2013-01-30 | 2016-08-10 | 北京盈电电气有限公司 | A kind of electrification railway contact net terminal anchoring second protection wire clamp |
| CN104466857B (en) * | 2014-12-03 | 2017-09-22 | 江东金具设备有限公司 | A kind of preformed strain hardware fitting of Great span |
| KR20180085487A (en) * | 2017-01-19 | 2018-07-27 | 한국전력공사 | One-touch clamp |
| CN208209479U (en) * | 2018-04-23 | 2018-12-07 | 江苏东恒光电有限公司 | A kind of cable erection carrying out safety backup wire clamp |
| CN109449849B (en) * | 2018-12-28 | 2023-12-22 | 星辰电力(河南)有限公司 | Wire fixing and tensioning clamp and how to use it |
| CN209675824U (en) * | 2019-05-14 | 2019-11-22 | 深圳市西勒实业发展有限公司 | A rapid repair device for tension resistance |
| CN210577662U (en) * | 2019-09-17 | 2020-05-19 | 苏州超硕凡塑料制品有限公司 | Pre-twisted strain clamp for steel-cored aluminum strand |
| CN211958708U (en) * | 2020-06-01 | 2020-11-17 | 浙江精创电力科技有限公司 | Overhead line's protection device |
| CN212435306U (en) * | 2020-06-24 | 2021-01-29 | 国网河南省电力公司周口供电公司 | Photoelectric composite carbon fiber core wire double-string strain fitting |
-
2021
- 2021-05-28 CN CN202110591951.0A patent/CN113300303B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002073765A1 (en) * | 2001-03-14 | 2002-09-19 | Ensto Sekko Oy | Anchor clamp for the termination of an overhead cable |
| RU2435265C1 (en) * | 2010-09-24 | 2011-11-27 | Закрытое Акционерное Общество "Мзва" | Tension wedge clamp |
| CN203056507U (en) * | 2013-01-31 | 2013-07-10 | 重庆自勇科技有限公司 | Wedge-shape strain clamp |
| CN204497698U (en) * | 2014-11-18 | 2015-07-22 | 北京帕尔普线路器材有限公司 | The backup strain clamp that erection cable uses |
| CN109066553A (en) * | 2018-09-16 | 2018-12-21 | 安徽华希电力科技有限公司 | A kind of double protection attachment devices of band buffering aerial earth wire |
| CN112564007A (en) * | 2020-12-31 | 2021-03-26 | 江苏川都电力科技有限公司 | Wedge-shaped safety backup wire clamp mounting structure |
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| Publication number | Publication date |
|---|---|
| CN113300303A (en) | 2021-08-24 |
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