CN110224362B - Portable strain clamp - Google Patents
Portable strain clamp Download PDFInfo
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- CN110224362B CN110224362B CN201910559427.8A CN201910559427A CN110224362B CN 110224362 B CN110224362 B CN 110224362B CN 201910559427 A CN201910559427 A CN 201910559427A CN 110224362 B CN110224362 B CN 110224362B
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- frame
- strain clamp
- alignment
- steel wire
- portable strain
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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Abstract
The invention relates to a portable strain clamp which comprises a fixing frame, a connecting frame, an alignment fixture and an alignment module, wherein the connecting frame is installed at the front end of the fixing frame, the alignment fixture is uniformly arranged on the right side surface of the connecting frame, and the alignment module is uniformly arranged at the lower end of the connecting frame. The aluminum clad steel wire clamp can solve the problems that when an existing strain clamp clamps an aluminum clad steel wire, an aluminum clad wire is wound on the outer wall of the aluminum clad steel wire, the surface of the aluminum clad steel wire is smooth, so that the clamping difficulty of the existing strain clamp is increased, the strain clamp is easy to deviate after being clamped for a period of time, the existing strain clamp needs to be arranged in an aluminum clad steel wire from one end sleeve, the sleeve is inconvenient to arrange, when the strain clamp is damaged and needs to be replaced in the later period, personnel need to take out the strain clamp after shearing the aluminum clad steel wire, the personnel need to screw multiple groups of bolts with the help of a wrench when taking out, the high-altitude.
Description
Technical Field
The invention relates to the field of strain clamps, in particular to a portable strain clamp.
Background
The strain clamp is a hardware fitting used for fixing a steel wire to bear the tension of the steel wire and hanging the steel wire on a strain insulator-string group or a tower, the strain clamp is used for corner turning, connection and terminal connection, the spiral aluminum-clad steel wire has extremely strong strain strength and no concentrated stress and plays a role in protecting and assisting vibration damping for the cable, the existing strain clamp can clamp and fix the strain clamp, but the following problems are often encountered when the strain clamp clamps the aluminum-clad steel wire;
1. because the outer wall of the aluminum-clad steel wire is wound with the aluminum clad wires, the surfaces of the aluminum clad wires are smooth, so that the clamping difficulty of the conventional strain clamp is increased, and the situation of position deviation is easy to occur after the strain clamp is clamped for a period of time;
2. current strain clamp need follow in the one end cover of aluminium package copper wire is established, and the cover is established inconveniently, and personnel need take out strain clamp after cutting off aluminium package steel wire when the later stage is damaged needs to be changed, and personnel need twist multiunit bolt with the help of the spanner when taking out, and the high altitude construction is inconvenient.
Disclosure of Invention
Technical problem to be solved
The aluminum clad steel wire clamp can solve the problems that when an existing strain clamp clamps an aluminum clad steel wire, an aluminum clad wire is wound on the outer wall of the aluminum clad steel wire, the surface of the aluminum clad steel wire is smooth, so that the clamping difficulty of the existing strain clamp is increased, the strain clamp is easy to deviate after being clamped for a period of time, the existing strain clamp needs to be arranged in an aluminum clad steel wire from one end sleeve, the sleeve is inconvenient to arrange, when the strain clamp is damaged and needs to be replaced in the later period, personnel need to take out the strain clamp after shearing the aluminum clad steel wire, the personnel need to screw multiple groups of bolts with the help of a wrench when taking out, the high-altitude.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a portable strain clamp, includes mount, link, counterpoint anchor clamps and counterpoint module, the front end of mount install the link, evenly be provided with counterpoint anchor clamps on the right flank of link, the lower extreme of link evenly is provided with counterpoint module.
Counterpoint anchor clamps include down the frame, the threaded rod, the screw frame, the angle frame, buffer frame and counterpoint mouth, it is continuous with the link through sliding fit's mode to push down the frame, install the screw frame on the lateral wall of link, the screw frame passes through screw fit's mode and links to each other with the threaded rod, the upper end of threaded rod passes through the bearing and links to each other with the lower carriage, the middle part of pushing down the frame passes through the hinge and links to each other with the angle frame, both ends symmetry is equipped with the buffer frame around pushing down the frame, the lower extreme of angle frame evenly is equipped with the counterpoint mouth, when concrete work, the artifical copper wire that has the aluminium belting to embolia between counterpoint anchor clamps and the counterpoint module, later make the whole decline of counterpoint mouth through twisting the threaded rod, thereby the counterpoint mouth that descends pushes down imbeds.
The counterpoint module include the briquetting, the lag, reset spring, the insulating frame, point contact support tight frame and lock washer, the lower extreme of briquetting passes through the hinge and links to each other with the link lower extreme, the upper end of briquetting passes through reset spring and links to each other with the insulating frame, the cover is equipped with the lag between insulating frame and the briquetting, evenly be equipped with point contact support tight frame on the insulating frame, link to each other with lock washer through sliding fit's mode in the briquetting, concrete during operation, thereby the copper wire pushes down the insulating frame and makes point contact support tight frame and copper wire contact, point contact support tight frame supports all the time at the copper wire current, thereby it locks to press from both sides the artifical lock washer that promotes the point contact to support tight frame height between counterpoint anchor clamps and the counterpoint module.
The point-contact type support frame comprises a contact head, a connecting spring, a sleeve, a lifting rod and a supporting rod, wherein the lifting rod is installed at the lower end of the contact head, the lifting rod is sleeved in the sleeve through the connecting spring, the sleeve is installed on a pressing block, the contact head always supports the current surface of a steel wire, and therefore a locking gasket is manually pushed to lock the height of the lifting rod.
As a preferable technical scheme of the invention, the buffer frame comprises a connecting rod and buffer rubber, the connecting rod is arranged on the lower pressing frame, the connecting rod is connected with the buffer rubber through an internal spring, and the buffer rubber is of a structure which is gradually inclined downwards from the outer side to the middle part.
As a preferable technical scheme of the invention, the lower end surface of the lower pressing frame is of an inverted V-shaped structure, the angle frame is of an arc-shaped structure, and the angle frame is uniformly provided with a connecting hole group at equal intervals along the lower end surface.
As a preferable technical scheme of the invention, the upper end of the alignment port is provided with a thread groove, and the thread groove is connected with the angle frame through a thread column.
According to a preferable technical scheme, the middle of the alignment port is provided with a buffer layer, the lower end of the alignment port is provided with an arc-shaped fixture block, the width of the cross section of the arc-shaped fixture block is gradually increased from bottom to top, and the outer wall of the arc-shaped fixture block is wrapped by a thin rubber wall.
As a preferable technical solution of the present invention, the cross section of the alignment port is trapezoidal, and each alignment port has an arc structure that gradually inclines forwards from left to right.
As a preferred technical scheme of the invention, the upper end of the insulating frame is provided with an arc-shaped insulating layer, and the insulating frame is uniformly provided with inlet and outlet holes.
As a preferred technical scheme of the invention, the upper end of the contact is provided with a rolling ball through a pin shaft, and the section of the contact is of a nipple-shaped structure.
As a preferable technical scheme of the invention, the outer wall of the lifting rod is uniformly provided with annular positioning grooves, and the annular positioning grooves are arranged in a crossed manner.
As a preferred technical scheme of the invention, the locking gaskets are uniformly provided with locking grooves, the middle parts of the locking grooves are of a rectangular structure, the front side and the rear side of each locking groove are provided with semicircular grooves, the diameter of each semicircular groove is smaller than the width of the middle part of each locking groove, the adjacent locking gaskets are connected through the connecting rod, when the locking grooves are in the initial position, the annular positioning grooves are positioned in the middle parts of the locking grooves, and when the height of the lifting rod needs to be positioned, the locking gaskets are pushed to enable the annular positioning grooves to be clamped with the semicircular grooves.
(III) advantageous effects
1. According to the portable strain clamp, the aluminum-clad steel wire is clamped in a compression embedding mode, and the twisted steel wires are twisted by a plurality of steel wires to form a spiral gap, so that the aluminum-clad steel wire is extruded into the spiral gap in an extruding mode, and the alignment port and the contact head are synchronously embedded into the spiral gap, and the situation of position deviation after compression is avoided;
2. according to the portable strain clamp, the aluminum clad steel wire is clamped in a transverse clamping mode, so that the replacement at the later stage is facilitated, and a worker can detach and clamp the strain clamp only by screwing the threaded rod during the replacement at the later stage, so that the strain clamp is easy to operate;
3. according to the portable strain clamp, the lower half portion of the aluminum-clad steel wire is embedded and limited by the alignment module in a multipoint contact mode, and the aluminum-clad steel wire is clamped and limited by the alignment clamp while being positioned.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the connection frame, the alignment fixture and the alignment module of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is a schematic structural diagram of the angle frame and the alignment port of the present invention;
FIG. 5 is a schematic structural diagram of an alignment module according to the present invention;
FIG. 6 is a cross-sectional view of the invention of FIG. 5;
fig. 7 is a schematic view of the construction of the lock washer of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 7, a portable strain clamp, including mount 1, link 2, counterpoint anchor clamps 3 and counterpoint module 4, the front end of mount 1 install link 2, evenly be provided with counterpoint anchor clamps 3 on the right flank of link 2, the lower extreme of link 2 evenly is provided with counterpoint module 4.
The alignment fixture 3 comprises a pressing frame 31, a threaded rod 32, a threaded frame 33, an angle frame 34, a buffer frame 35 and an alignment port 37, the pressing frame 31 is connected with the connecting frame 2 in a sliding fit mode, the threaded frame 33 is installed on the side wall of the connecting frame 2, the threaded frame 33 is connected with the threaded rod 32 in a threaded fit mode, the upper end of the threaded rod 32 is connected with the pressing frame 31 through a bearing, the middle of the pressing frame 31 is connected with the angle frame 34 through a hinge, the buffer frame 35 is symmetrically arranged at the front end and the rear end of the pressing frame 31, the alignment port 37 is evenly arranged at the lower end of the angle frame 34, during specific work, a steel wire wound with an aluminum belting is manually sleeved between the alignment fixture 3 and the alignment module 4, then the alignment port 37 integrally descends by screwing the threaded rod 32, and the descending alignment port 37 downwards presses the aluminum belting to be embedded into a gap of the steel wire.
The buffer frame 35 comprises a connecting rod 351 and buffer rubber 352, the connecting rod 351 is mounted on the lower pressing frame 31, the connecting rod 351 is connected with the buffer rubber 352 through a built-in spring, the buffer rubber 352 is of a structure which is gradually inclined downwards from the outer side to the middle, and the buffer frame 35 has a buffer effect when adjusting the angle of the angle frame 34.
Thereby the lower terminal surface of pushing down frame 31 for the structure of type of falling V ensures that angle frame 34 can carry out certain angle modulation, angle frame 34 is the arc structure, and angle frame 34 evenly sets up equidistant connecting hole group along its lower terminal surface, counterpoint mouth 37 can be connected with corresponding connecting hole group according to the interval requirement.
The upper end of the alignment port 37 is provided with a thread groove, and the thread groove is connected with the angle frame 34 through a thread column.
Thereby counterpoint 37 middle parts be equipped with the buffer layer and play the effect of damping buffering, counterpoint 37 lower extreme is equipped with the arc fixture block, the width in arc fixture block cross-section is followed up crescent down and is ensured in the clearance that the lower terminal surface of arc fixture block can block the copper wire into, and arc fixture block outer wall parcel has the rubber thin wall to play insulating effect.
The cross section of the alignment port 37 is in a trapezoid shape, and each alignment port 37 is in an arc structure which inclines forwards from left to right, so that the position of the alignment port 37 corresponds to the position of the strand gap of the steel wire.
The alignment module 4 comprises a pressing block 41, a protecting sleeve 42, a reset spring 43, an insulating frame 44, a point-contact abutting frame 45 and a locking gasket 46, the lower end of the pressing block 41 is connected with the lower end of the connecting frame 2 through a hinge, the upper end of the pressing block 41 is connected with the insulating frame 44 through the reset spring 43, the protecting sleeve 42 is sleeved between the insulating frame 44 and the pressing block 41, the point-contact abutting frame 45 is uniformly arranged on the insulating frame 44, the pressing block 41 is connected with the locking gasket 46 in a sliding fit mode, during specific work, the insulating frame 44 is pressed downwards by a steel wire so that the point-contact abutting frame 45 is in contact with the steel wire, the point-contact abutting frame 45 always abuts against the current steel wire surface, and after clamping between the alignment clamp 3 and the alignment module 4, the locking gasket 46 is manually pushed so that the height of the point-contact abutting frame 45 is locked.
The point contact type abutting frame 45 comprises a contact head 451, a connecting spring 452, a sleeve barrel 453 and a lifting rod 454, the lifting rod 454 is installed at the lower end of the contact head 451, the lifting rod 454 is sleeved in the sleeve barrel 453 through the connecting spring 452, the sleeve barrel 453 is installed on the pressing block 41, the contact head 451 always abuts against the current surface of a steel wire, and the locking gasket 46 is manually pushed to lock the height of the lifting rod 454.
The upper end of insulating frame 44 be equipped with the effect that the arc insulating layer played insulation, and evenly seted up business turn over hole on the insulating frame 44.
The upper end of the contact head 451 is provided with a rolling ball through a pin shaft, the rolling ball is arranged to facilitate the contact head 451 to be tightly attached to a steel wire and reduce the damage degree of the upper end of the contact head 451, and the cross section of the contact head 451 is of a nipple-shaped structure so as to be better embedded into the gap of the steel wire.
Locking gasket 46 on evenly seted up the locking groove, the middle part in locking groove is the rectangle structure, both sides are established to the half slot around the locking groove, and the diameter of half slot is less than the width at locking groove middle part, and link to each other through the connecting rod between the adjacent locking gasket 46, during the initial position, annular positioning groove is located the middle part in locking groove, thereby promote locking gasket 46 when the high needs of lifter 454 fixes a position and make annular positioning groove and half slot card mutually.
When in work:
s1, fitting of alignment hole 37: after the gap between the alignment ports 37 is determined, the alignment ports are manually installed in the corresponding connecting hole groups;
s2, sleeving the steel wire: a worker winds an aluminum armor tape on a steel wire to form an aluminum armor wire, the winding direction of the aluminum armor tape is consistent with the winding direction of an outer layer steel wire, and the wrapped steel wire is manually sleeved between the alignment clamp 3 and the alignment module 4;
s3, clamping and limiting: manually screwing the threaded rod 32 to enable the aligning port 37 to integrally descend, pressing the descending aligning port 37 to embed an aluminum clad strip into a gap of the aluminum clad steel wire, pressing the lower end of the aligning port 37 into the gap, meanwhile, extruding the insulating frame 44 after the aluminum clad steel wire is contacted with the insulating frame 44 to enable the point-contact type abutting frame 45 to be exposed and contacted with the aluminum clad steel wire, and enabling the point-contact type abutting frames 45 at all positions to always abut against the front surface of the aluminum clad steel wire;
s4, locking and positioning: after the alignment fixture 3 and the alignment module 4 clamp the aluminum clad steel wire, the locking washer 46 is manually pushed to lock the height of the lifting rod 454.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a portable strain clamp, includes mount (1), link (2), counterpoint anchor clamps (3) and counterpoint module (4), its characterized in that: the front end of the fixed frame (1) is provided with a connecting frame (2), the right side surface of the connecting frame (2) is uniformly provided with alignment fixtures (3), and the lower end of the connecting frame (2) is uniformly provided with alignment modules (4);
the alignment fixture (3) comprises a lower pressing frame (31), a threaded rod (32), a threaded frame (33), an angle frame (34), a buffer frame (35) and an alignment port (37), the lower pressing frame (31) is connected with the connecting frame (2) in a sliding fit mode, the threaded frame (33) is installed on the side wall of the connecting frame (2), the threaded frame (33) is connected with the threaded rod (32) in a threaded fit mode, the upper end of the threaded rod (32) is connected with the lower pressing frame (31) through a bearing, the middle of the lower pressing frame (31) is connected with the angle frame (34) through a hinge, the buffer frame (35) is symmetrically arranged at the front end and the rear end of the lower pressing frame (31), and the alignment port (37) is uniformly arranged at the lower end of the angle frame (34);
the alignment module (4) comprises a pressing block (41), a protecting sleeve (42), a reset spring (43), an insulating frame (44), a point-contact type abutting frame (45) and a locking gasket (46), the lower end of the pressing block (41) is connected with the lower end of the connecting frame (2) through a hinge, the upper end of the pressing block (41) is connected with the insulating frame (44) through the reset spring (43), the protecting sleeve (42) is sleeved between the insulating frame (44) and the pressing block (41), the point-contact type abutting frame (45) is uniformly arranged on the insulating frame (44), and the pressing block (41) is connected with the locking gasket (46) in a sliding fit mode;
the point contact type abutting frame (45) comprises a contact head (451), a connecting spring (452), a sleeving barrel (453) and a lifting rod (454), wherein the lifting rod (454) is installed at the lower end of the contact head (451), the lifting rod (454) is sleeved in the sleeving barrel (453) through the connecting spring (452), and the sleeving barrel (453) is installed on the pressing block (41).
2. The portable strain clamp of claim 1, wherein: buffer frame (35) include connecting rod (351) and cushion rubber (352), connecting rod (351) are installed on pushing down frame (31), connecting rod (351) pass through built-in spring and link to each other with cushion rubber (352), and cushion rubber (352) from the outside to the structure of middle part for slope gradually downwards.
3. The portable strain clamp of claim 1, wherein: the lower end face of the lower pressing frame (31) is of an inverted V-shaped structure, the angle frame (34) is of an arc-shaped structure, and the angle frame (34) is evenly provided with equidistant connecting hole groups along the lower end face.
4. The portable strain clamp of claim 1, wherein: the upper end of the aligning opening (37) is provided with a thread groove, and the thread groove is connected with the angle frame (34) through a thread column.
5. The portable strain clamp of claim 1, wherein: counterpoint mouth (37) middle part be equipped with the buffer layer, the lower extreme of counterpoint mouth (37) is equipped with the arc fixture block, up crescent from down, and the parcel of arc fixture block outer wall has the rubber thin wall for the width in arc fixture block cross-section.
6. The portable strain clamp of claim 1, wherein: the cross section of the alignment port (37) is in a trapezoid shape, and each alignment port (37) is of an arc-shaped structure which inclines forwards gradually from left to right.
7. The portable strain clamp of claim 1, wherein: the upper end of the insulating frame (44) is provided with an arc-shaped insulating layer, and the insulating frame (44) is uniformly provided with inlet and outlet holes.
8. The portable strain clamp of claim 1, wherein: the upper end of the contact head (451) is provided with a rolling ball through a pin shaft, and the section of the contact head (451) is of a nipple-shaped structure.
9. The portable strain clamp of claim 1, wherein: the outer wall of the lifting rod (454) is uniformly provided with annular positioning grooves which are arranged in a crossed manner.
10. The portable strain clamp of claim 1, wherein: locking gasket (46) on evenly seted up the locking groove, the middle part in locking groove is the rectangle structure, both sides are established to the half slot around the locking groove, and the diameter in half slot is less than the width in locking groove middle part, and link to each other through the connecting rod between adjacent locking gasket (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559427.8A CN110224362B (en) | 2019-06-26 | 2019-06-26 | Portable strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559427.8A CN110224362B (en) | 2019-06-26 | 2019-06-26 | Portable strain clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110224362A CN110224362A (en) | 2019-09-10 |
| CN110224362B true CN110224362B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910559427.8A Active CN110224362B (en) | 2019-06-26 | 2019-06-26 | Portable strain clamp |
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| CN (1) | CN110224362B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649549B (en) * | 2019-11-20 | 2020-10-16 | 苏州元联科技创业园管理有限公司 | Strain clamp equipment for electric power engineering |
| CN117117751B (en) * | 2023-10-24 | 2024-01-09 | 国网山东省电力公司齐河县供电公司 | Modular strain clamp |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101588517B1 (en) * | 2014-04-04 | 2016-01-26 | 윤송현 | A wedge-type tension clamp |
| CN204271587U (en) * | 2014-12-22 | 2015-04-15 | 上升电力科技有限公司 | Strain clamp |
| CN105977890A (en) * | 2016-06-27 | 2016-09-28 | 重庆新动生物技术有限公司 | Aperture-adjustable suspension wire clamp |
| CN207320358U (en) * | 2017-08-31 | 2018-05-04 | 浙江蓝网电气有限公司 | A kind of penetrating cable clamp |
| CN207782351U (en) * | 2017-09-22 | 2018-08-28 | 广州番禺电缆集团有限公司 | Single fitting strip type street code line folder |
| CN107910658B (en) * | 2017-10-09 | 2019-05-17 | 国网浙江省电力公司湖州供电公司 | One kind can linking penetrating cable clamp |
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| CN110224362A (en) | 2019-09-10 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200427 Address after: 323000 No.68, Qiaoting Road, Shuige Industrial Park, Liandu District, Lishui City, Zhejiang Province Applicant after: Victor Power Equipment Co.,Ltd. Address before: 238300 Gaogou Industrial Park, Wuwei County, Wuhu City, Anhui Province (Anhui Guohua Cable Group Co., Ltd.) Applicant before: Guo Gongsheng |
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| TA01 | Transfer of patent application right | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A convenient strain clamp Effective date of registration: 20221124 Granted publication date: 20200522 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Lishui Branch Pledgor: Victor Power Equipment Co.,Ltd. Registration number: Y2022330003179 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |