CN112448353A - Suspension clamp and mounting method thereof - Google Patents
Suspension clamp and mounting method thereof Download PDFInfo
- Publication number
- CN112448353A CN112448353A CN202011586549.5A CN202011586549A CN112448353A CN 112448353 A CN112448353 A CN 112448353A CN 202011586549 A CN202011586549 A CN 202011586549A CN 112448353 A CN112448353 A CN 112448353A
- Authority
- CN
- China
- Prior art keywords
- corona
- suspension clamp
- proof
- arc
- bolt
- 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.)
- Pending
Links
Images
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
- H02G7/05—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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a suspension clamp. The product of the invention has wide application range and quick installation, can effectively prevent the falling of parts in high-altitude installation, can be quickly and efficiently installed only by adopting two bolts to fasten the conductors, has corona-proof circular arcs around the product outlet, can effectively reduce the electric energy loss generated by corona, plays the role of energy saving and consumption reduction, and ensures the safe operation of the circuit.
Description
Technical Field
The invention relates to a suspension clamp, and belongs to the technical field of electric power fittings.
Background
In the transmission line, the suspension strings are most frequently used, the suspension strings are of a top-loading type and a bottom-hanging type, and the number of the suspension strings is the most, so that the universality and the application range of the suspension clamp are required to be wider, various use environments can be met, the suspension clamp with a larger application range can be used, the mould of the suspension clamp can be minimized, and the universality is the best. Four bolts or two U-shaped bolts are adopted for clamping the wires in the use of the suspension clamp in the original line to clamp the wires respectively, the installation workload is larger, and in addition, when the suspension clamp is installed at high altitude, the installed parts are easy to drop, and the installation workload is larger.
Disclosure of Invention
The invention aims to overcome the defects and provides the suspension clamp which is reasonable in structure and excellent in performance.
The technical scheme adopted by the invention is as follows: a suspension clamp comprises a suspension clamp body (1), a suspension clamp cover plate (2), an anti-corona bolt (3) and an anti-corona nut (4);
a supporting arm (13) is designed on one side of the suspension clamp main body (1), and pin shafts (14) are respectively cast behind the supporting arm (13); a first mounting platform (15) of a bolt is arranged on the other side of the suspension clamp main body (1), and elliptical holes (16) are respectively formed in the first mounting platform (15) and used for mounting hexagon bolts; a first arc-shaped wire groove (16) is formed in the middle of the suspension clamp main body (1) and used for installing a matched conductor; two sides of the first arc-shaped wire groove (16) are arranged into a bell mouth shape;
a support arm matching socket (21) matched with the support arm (13) is arranged on one side of the suspension clamp cover plate (2), a second mounting platform (22) is arranged on the other side of the suspension clamp cover plate (2), stainless steel embedded nuts (23) are respectively embedded into the second mounting platform (22), and a section of concave arc (231) is arranged in the middle of each stainless steel embedded nut (23), so that when the stainless steel embedded nuts are cast into the middle of the cover plate platform, the stainless steel embedded nuts cannot rotate under stress in any direction; a second arc-shaped wire groove (24) is formed in the middle of the vertical wire clamp cover plate (2) and used for installing matched conductors; two sides of the second arc-shaped wire groove (24) are arranged into a bell mouth shape;
one side of the anti-corona bolt (3) is provided with an anti-corona arc (31), the other side of the anti-corona bolt is provided with a section of external thread (32), and the external thread (32) is provided with a cotter mounting hole (33);
one side of the anti-corona nut (4) is provided with an anti-corona circular arc (41), the inner part of the anti-corona nut is provided with an internal thread (42), the internal thread (42) is provided with a cotter mounting pin hole (43), and a cotter mounting arc (44) is arranged along the periphery of the pin hole.
Furthermore, the suspension clamp main body (1) is provided with a hanging lug (11) as a stress part, the hanging lug (11) is provided with a round hole (12), and the round hole (12) is used for installing the corona-proof bolt (3).
Furthermore, two sides of the suspension clamp main body (1) are provided with first corona-proof arcs (17).
Furthermore, corona-proof circular arcs are arranged on two sides of the suspension clamp cover plate (2).
Furthermore, the diameter D of the first circular-arc wire groove (16) and the second circular-arc wire groove (24) can be suitable for conductors with the diameter of 0.65D-1D.
A mounting method of a suspension clamp comprises the following steps: the supporting arm (13) of the suspension clamp main body (1) is arranged in a supporting arm matching socket (21) of the suspension clamp cover plate (2), a spring washer (8) and a flat washer (7) are arranged on a hexagonal bolt (9), the hexagonal bolt (9) penetrates into an elliptical hole (16) of the suspension clamp main body (1), then a circular sealing rubber ring (6) is sleeved on the hexagonal bolt (9), and the hexagonal bolt (9) is screwed into a stainless steel embedded nut (23) of the suspension clamp cover plate (2); the corona-proof bolt (3) is inserted into a suspension clamp main body (1) in a suspension lug round hole (12), the thread side of the corona-proof nut (4) is screwed into the corona-proof bolt (3), the consistency of a pin hole of the corona-proof nut (4) and a pin hole of the corona-proof bolt (3) is ensured, then a split pin (5) is inserted, a foot of the split pin (5) is pulled open, and the suspension clamp is installed along the arc direction of the split pin installation of the corona-proof nut (4).
The invention has the advantages that: when the suspension clamp is used for the voltage class of 220kV high altitude or above 330kV, the suspension clamp is required to have an anti-corona function, so that the electric energy loss and the luminous pollution can be reduced.
The product of the invention has wide application range and quick installation, can effectively prevent the falling of parts in high-altitude installation, can be quickly and efficiently installed only by adopting two bolts to fasten the conductors, has corona-proof circular arcs around the product outlet, can effectively reduce the electric energy loss generated by corona, and plays the roles of saving energy and reducing consumption. And the safe operation of the line is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of the suspension clamp of the present invention.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a top view of fig. 3.
Fig. 6 is a schematic structural view of a cover plate of the suspension clamp of the present invention.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a top view of fig. 6.
Fig. 9 is a view from direction a-a of fig. 6.
Fig. 10 is a schematic structural view of a stainless steel insert nut.
FIG. 11 is a schematic view of the corona-proof bolt structure of the present invention.
FIGS. 12 and 13 are schematic structural views of the corona-proof nut of the present invention.
Detailed Description
A suspension clamp comprises a suspension clamp body 1, a suspension clamp cover plate 2, an anti-corona bolt 3 and an anti-corona nut 4;
a supporting arm 13 is designed at one side of the suspension clamp main body 1, and pin shafts 14 are respectively cast behind the supporting arm 13; a first mounting platform 15 for mounting bolts is arranged on the other side of the suspension clamp main body 1, and elliptical holes 16 are respectively formed in the first mounting platform 15 and used for mounting hexagon bolts; a first arc-shaped wire groove 16 is formed in the middle of the suspension clamp body 1 and used for installing a matched conductor; two sides of the first arc-shaped wire groove 16 are arranged into a bell mouth shape;
a support arm matching socket 21 matched with the support arm 13 is arranged on one side of the suspension clamp cover plate 2, a second mounting platform 22 is arranged on the other side of the suspension clamp cover plate 2, stainless steel embedded nuts 23 are respectively embedded in the second mounting platform 22, and a section of concave arc 231 is arranged in the middle of each stainless steel embedded nut 23, so that when the stainless steel embedded nuts are cast in the middle of the cover plate platform, the stainless steel embedded nuts cannot rotate under stress in any direction; a second circular-arc wire groove 24 is formed in the middle of the vertical wire clamp cover plate 2 and used for installing matched conductors; two sides of the second arc-shaped wire groove 24 are arranged into a bell mouth shape;
one side of the corona-proof bolt 3 is provided with a corona-proof arc 31, the other side of the corona-proof bolt is provided with a section of external thread 32, and the external thread 32 is provided with a cotter mounting hole 33;
an anti-corona arc 41 is arranged on one side of the anti-corona nut 4, an internal thread 42 is arranged inside the anti-corona nut, a split pin mounting pin hole 43 is formed in the internal thread 42, and a split pin mounting arc 44 is arranged along the periphery of the pin hole.
Further, the suspension clamp body 1 is provided with a hanging lug 11 as a stress part, the hanging lug 11 is provided with a round hole 12, and the round holes 12 are used for installing the corona-proof bolts 3.
Further, the suspension clamp body 1 is provided with first corona-proof arcs 17 on two sides.
Furthermore, corona-proof circular arcs are arranged on two sides of the suspension clamp cover plate 2.
Further, the diameter D of the first arc-shaped wire groove 16 and the second arc-shaped wire groove 24 can be suitable for conductors with the diameter of 0.65D-1D.
A mounting method of a suspension clamp comprises the following steps: the supporting arm 13 of the suspension clamp main body 1 is arranged in the supporting arm matching socket 21 of the suspension clamp cover plate 2, the spring washer 8 and the flat washer 7 are arranged on the hexagon bolt 9, the hexagon bolt 9 is inserted into the elliptical hole 16 of the suspension clamp main body 1, then the circular sealing rubber ring 6 is sleeved on the hexagon bolt 9, and then the hexagon bolt 9 is screwed into the stainless steel embedded nut 23 of the suspension clamp cover plate 2; the corona-proof bolt 3 is inserted into the suspension clamp main body 1, the thread side of the corona-proof nut 4 is screwed into the corona-proof bolt 3, the consistency of the pin hole of the corona-proof nut 4 and the pin hole of the corona-proof bolt 3 is ensured, then the split pin 5 is inserted, the pin of the split pin 5 is pulled open, and the suspension clamp is installed along the arc installation direction of the split pin of the corona-proof nut 4.
The invention will be further explained below for a better understanding of the invention: 1. Two hanging lugs are arranged on the suspension clamp body 1 and are used as stress positions, and circular holes are respectively formed in the hanging lugs and can be used for installing corona-proof bolts 3; two supporting arms are designed on one side of the body, and stainless steel pin shafts are respectively cast behind the supporting arms; the other side of the body is provided with two mounting platforms for the bolts, and the platforms are respectively provided with an elliptical hole for mounting the hexagon bolt 9; the middle of the suspension clamp body is provided with a circular-arc wire groove which can be provided with a matched conductor; the two sides of the arc-shaped wire groove are arranged into a horn mouth shape, so that the wire has an up-and-down deviation, the wire is not hard to fold, and the suspension of the wire can be smoothly transited; the corona-proof circular arcs are arranged on the two sides, so that the requirements of different voltage grades and different altitudes can be met;
2. two supporting arm matching sockets are designed on one side of the suspension clamp cover plate 2; the other side of the body is provided with two platforms, stainless steel embedded nuts are respectively embedded into the platforms, the stainless steel embedded nuts are made into a hexagon shape, a section of concave arc is arranged in the middle of the stainless steel embedded nuts, the stainless steel embedded nuts cannot rotate under stress in any direction when the middle of the cover plate platform is cast, and a threaded hole is formed in the middle of the stainless steel embedded nuts and can be used for installing a hexagon bolt 9; the middle of the suspension clamp body is provided with a circular-arc wire groove which can be provided with a matched conductor; the two sides of the arc-shaped wire groove are arranged into a horn mouth shape, so that the wire has an up-and-down deviation, the wire is not hard to fold, and the suspension of the wire can be smoothly transited; the corona-proof circular arcs are arranged on the two sides, so that the requirements of different voltage grades and different altitudes can be met;
3. one side of the anti-corona bolt 3 is provided with an anti-corona arc, the other side of the anti-corona bolt is provided with a section of external thread, and the thread is provided with a cotter pin mounting hole;
4. an anti-corona arc is arranged on one side of the anti-corona nut 4, an internal thread is arranged inside the anti-corona nut, a cotter pin mounting pin hole is arranged on the internal thread, and a cotter pin mounting arc is arranged along the periphery of the pin hole to ensure that the cotter pin is attached along the arc after being pulled open, so that corona is effectively prevented from being generated;
further: a suspension clamp consists of a suspension clamp body 1, a suspension clamp cover plate 2, two corona-proof bolts 3, two corona-proof nuts 4, two split pins 5, two circular sealing rubber rings 6, two flat washers 7, two spring washers 8 and two hexagon bolts 9; the matched side of the suspension clamp body 1 and the suspension clamp cover plate 2 adopts a connection mode that a supporting arm is matched with a supporting arm matching socket, and the other side is fastened by adopting two flat washers 7, two spring washers 8 and two hexagon bolts 9 and adopts a lever support principle; the original connection mode of screwing 4 bolts, nuts, flat washers and spring washers is completely changed.
The diameter D of the wire groove of the suspension clamp can be suitable for conductors with the diameter of 0.65D-1D, and the range of the suitable conductors is large.
When the product is installed: the supporting arm of the suspension clamp body 1 is arranged in the supporting arm matching socket of the suspension clamp cover plate 2, the spring washer 8 and the flat washer 7 are arranged on the hexagon bolt 9, the hexagon bolt penetrates into the elliptical hole of the suspension clamp body 1, then the circular sealing rubber ring 6 is sleeved on the hexagon bolt 9, and then the hexagon bolt 9 is screwed into the stainless steel embedded nut of the suspension clamp cover plate 2. The corona-proof bolt 3 is inserted into a hanging lug hanging hole of the suspension clamp body 1, the thread side of the corona-proof nut 3 is screwed into the corona-proof nut 4, the consistency of a pin hole of the corona-proof nut 4 and a pin hole of the corona-proof bolt 3 is ensured, then the split pin 5 is inserted, a foot of the split pin 5 is pulled open, and the suspension clamp is installed along the arc installation direction of the split pin of the corona-proof nut 4.
Claims (4)
1. A suspension clamp is characterized by comprising a suspension clamp body (1), a suspension clamp cover plate (2), an anti-corona bolt (3) and an anti-corona nut (4);
a supporting arm (13) is designed on one side of the suspension clamp main body (1), and pin shafts (14) are respectively cast behind the supporting arm (13); a first mounting platform (15) of a bolt is arranged on the other side of the suspension clamp main body (1), and elliptical holes (16) are respectively formed in the first mounting platform (15) and used for mounting hexagon bolts; a first arc-shaped wire groove (16) is formed in the middle of the suspension clamp main body (1) and used for installing a matched conductor; two sides of the first arc-shaped wire groove (16) are arranged into a bell mouth shape;
a support arm matching socket (21) matched with the support arm (13) is arranged on one side of the suspension clamp cover plate (2), a second mounting platform (22) is arranged on the other side of the suspension clamp cover plate (2), stainless steel embedded nuts (23) are respectively embedded into the second mounting platform (22), and a section of concave arc (231) is arranged in the middle of each stainless steel embedded nut (23), so that when the stainless steel embedded nuts are cast into the middle of the cover plate platform, the stainless steel embedded nuts cannot rotate under stress in any direction; a second arc-shaped wire groove (24) is formed in the middle of the vertical wire clamp cover plate (2) and used for installing matched conductors; two sides of the second arc-shaped wire groove (24) are arranged into a bell mouth shape;
one side of the anti-corona bolt (3) is provided with an anti-corona arc (31), the other side of the anti-corona bolt is provided with a section of external thread (32), and the external thread (32) is provided with a cotter mounting hole (33);
an anti-corona arc (41) is arranged on one side of the anti-corona nut (4), an internal thread (42) is arranged inside the anti-corona nut, a cotter mounting pin hole (43) is formed in the internal thread (42), and cotter mounting arcs (44) are arranged along the periphery of the pin hole;
the suspension clamp main body (1) is provided with a hanging lug (11) as a stress part, the hanging lug (11) is provided with a round hole (12), and the round holes (12) are used for installing the corona-proof bolts (3);
and first corona-proof circular arcs (17) are arranged on two sides of the suspension clamp body (1).
2. A suspension clamp according to claim 1, characterized in that the suspension clamp cover plate (2) is provided with corona-proof arcs (25) on both sides.
3. A suspension clamp according to claim 1, wherein the first and second circular arc trunking (16, 24) have trunking diameters D which accommodate 0.65D-1D diameter conductors.
4. A mounting method of a suspension clamp is characterized by comprising the following steps: the supporting arm (13) of the suspension clamp main body (1) is arranged in a supporting arm matching socket (21) of the suspension clamp cover plate (2), a spring washer (8) and a flat washer (7) are arranged on a hexagonal bolt (9), the hexagonal bolt (9) penetrates into an elliptical hole (16) of the suspension clamp main body (1), then a circular sealing rubber ring (6) is sleeved on the hexagonal bolt (9), and the hexagonal bolt (9) is screwed into a stainless steel embedded nut (23) of the suspension clamp cover plate (2); the corona-proof bolt (3) is inserted into a suspension clamp main body (1) in a suspension lug round hole (12), the thread side of the corona-proof nut (4) is screwed into the corona-proof bolt (3), the consistency of a pin hole of the corona-proof nut (4) and a pin hole of the corona-proof bolt (3) is ensured, then a split pin (5) is inserted, a foot of the split pin (5) is pulled open, and the suspension clamp is installed along the arc direction of the split pin installation of the corona-proof nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586549.5A CN112448353A (en) | 2020-12-29 | 2020-12-29 | Suspension clamp and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586549.5A CN112448353A (en) | 2020-12-29 | 2020-12-29 | Suspension clamp and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112448353A true CN112448353A (en) | 2021-03-05 |
Family
ID=74739505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011586549.5A Pending CN112448353A (en) | 2020-12-29 | 2020-12-29 | Suspension clamp and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112448353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883999A (en) * | 2022-06-02 | 2022-08-09 | 国网河南省电力公司电力科学研究院 | Suspension clamp and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779693Y (en) * | 2005-02-03 | 2006-05-10 | 南京线路器材厂 | Anti-corona fastener |
| CN201256273Y (en) * | 2008-08-14 | 2009-06-10 | 成都电力金具总厂 | Reinforcement suspension wire clip for high strength iron core aluminum alloy wire cross |
| CN202004404U (en) * | 2011-01-28 | 2011-10-05 | 南京特瑞线路器材有限公司 | Corona resistant suspension clamp |
| CN103401200A (en) * | 2013-08-16 | 2013-11-20 | 宁波市鄞州五乡伟有机电配件厂 | Quick mounting suspension clamp |
| CN108561398A (en) * | 2018-07-24 | 2018-09-21 | 江苏双汇电力发展股份有限公司 | A kind of bolt fastener and apply its electric armour clamp |
-
2020
- 2020-12-29 CN CN202011586549.5A patent/CN112448353A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779693Y (en) * | 2005-02-03 | 2006-05-10 | 南京线路器材厂 | Anti-corona fastener |
| CN201256273Y (en) * | 2008-08-14 | 2009-06-10 | 成都电力金具总厂 | Reinforcement suspension wire clip for high strength iron core aluminum alloy wire cross |
| CN202004404U (en) * | 2011-01-28 | 2011-10-05 | 南京特瑞线路器材有限公司 | Corona resistant suspension clamp |
| CN103401200A (en) * | 2013-08-16 | 2013-11-20 | 宁波市鄞州五乡伟有机电配件厂 | Quick mounting suspension clamp |
| CN108561398A (en) * | 2018-07-24 | 2018-09-21 | 江苏双汇电力发展股份有限公司 | A kind of bolt fastener and apply its electric armour clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883999A (en) * | 2022-06-02 | 2022-08-09 | 国网河南省电力公司电力科学研究院 | Suspension clamp and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112448353A (en) | Suspension clamp and mounting method thereof | |
| CN103606762A (en) | Conductor connecting clamp and installation method thereof | |
| CN215378394U (en) | Corona-proof suspension clamp capable of being installed quickly | |
| CN200947533Y (en) | Indoor-outdoor conductor wall-penetrated bushing | |
| CN205920864U (en) | Transformer porcelain bushing subassembly | |
| CN203690017U (en) | Annularly-connected composite insulator chain of +-800 kV extra-high voltage DC line | |
| US9502160B2 (en) | Corona-free cap assembly | |
| CN203562516U (en) | Conductor connecting clamp | |
| CN214043522U (en) | Novel outdoor vacuum circuit breaker | |
| CN201927721U (en) | Cable joint sealer | |
| CN2779693Y (en) | Anti-corona fastener | |
| CN203491641U (en) | Wedge form aluminium tension clamp | |
| CN109066456B (en) | Device and method for replacing insulator | |
| CN218525361U (en) | Insulator mounting structure for overhead line | |
| CN110614609A (en) | Bolt fastener | |
| CN208445249U (en) | A kind of device reducing transmission of electricity wire clamp corona discharge | |
| CN216720308U (en) | Stainless steel connecting fastener | |
| CN1731640A (en) | Energy-saving vibration-preventing hammer | |
| CN105680394B (en) | A kind of gold utensil and its application method of electrification code wire | |
| CN214505157U (en) | Suspension insulator with windage yaw prevention function | |
| CN214279822U (en) | Illumination type zero-gram insulating rod | |
| CN212968781U (en) | GIS tubular bus conductor fixture device | |
| CN220688261U (en) | Construction device for indoor gas stand pipe | |
| CN113889903B (en) | Auxiliary hardware fitting device for robot crossing high-voltage iron tower | |
| CN218678371U (en) | Displaceable suspension string for overhead power transmission line |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210305 |
|
| RJ01 | Rejection of invention patent application after publication |