CN112993604B - Insulating overhead ground wire earth connection wire end chuck - Google Patents
Insulating overhead ground wire earth connection wire end chuck Download PDFInfo
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- CN112993604B CN112993604B CN201911290881.4A CN201911290881A CN112993604B CN 112993604 B CN112993604 B CN 112993604B CN 201911290881 A CN201911290881 A CN 201911290881A CN 112993604 B CN112993604 B CN 112993604B
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- ground wire
- overhead ground
- wire
- insulating
- lifting screw
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Electric Cable Installation (AREA)
Abstract
The invention relates to the field of auxiliary equipment for electric power operation and maintenance, in particular to a lead end clamp for a ground wire of an insulated overhead ground wire. The utility model provides an insulating overhead ground wire earth connection wire end chuck, including insulating bar, insulating bar's one end is connected with inserts the gold utensil soon, the one end joint of keeping away from insulating bar of inserting the gold utensil soon has fast plug, the one end of inserting the gold utensil soon of keeping away from of fast plug is provided with the lifting screw, threaded connection has the lifting nut on the lifting screw, be connected with the connecting plate through the lifter on the lifting nut, be provided with the double-layered line bolt that is used for fixed annealed copper line on the connecting plate, the one end of keeping away from of lifting screw is provided with wholly and is conical wire clamping head, be provided with on the connecting plate and cooperate and be used for pressing from both sides the mouth that presss from both sides tight insulating overhead ground wire with wire clamping head. The invention can ensure that the connection with the insulated overhead ground wire is tight, and the insulated operating rod can be easily separated from the hanging hardware after the hanging is finished, thereby reducing the hanging time.
Description
Technical Field
The invention relates to the field of auxiliary equipment for electric operation and maintenance, in particular to a lead end clamp of an insulated overhead ground wire grounding wire.
Background
With the rapid development of power transmission and transformation in China, the construction process is more and more standardized, scientific and technical, and the used equipment is more and more advanced. With the continuous development of power technology and the continuous improvement of requirements of social demands on power supply safety and stability, safe operation is more and more important for each power enterprise.
The insulated overhead ground wire has the defects of damage, strand scattering and the like sometimes, and because the insulated overhead ground wire is not communicated with the ground, when the insulated overhead ground wire is overhauled, a ground wire needs to be hung to prevent the damage of induction electricity to maintainers.
The ground wire hung on the existing insulated overhead ground wire mostly adopts a 35kV ground wire chuck or a special ground wire chuck developed by each unit, but keeps a certain safety distance with the insulated overhead ground wire when being hung, the selection requirement on the hanging angle is higher, the hanging difficulty of the clamp at the wire end of the existing insulated overhead ground wire lead is large, the consumed time is longer, the diameter of the ground wire is small, the 35kV ground wire clamp is not tightly connected with the ground wire after being hung, induced current cannot flow into the ground in time, and the damage to maintenance personnel is possibly caused.
For example, chinese patent publication numbers are: CN104638397A, an insulating overhead earth wire ground connection device that announces in 2015 year 5 month 20 days, its characterized in that, the device body includes a dop and a cavity insulator spindle, the dop is equipped with side direction open-ended U-shaped draw-in groove to be connected with the stranded annealed copper line of taking transparent sheath, wear to be equipped with a flexible depression bar in the cavity insulator spindle, flexible depression bar passes in the back plate of dop stretches into the U-shaped draw-in groove, the top of flexible depression bar sets up a clamp plate, the flexible depression bar overcoat that clamp plate and the back plate of dop were centre gripping is equipped with a answer spring and makes the clamp plate compress tightly the front bezel of dop, the rear end of flexible depression bar is connected a holding pressure handle that draws flexible depression bar down. Although the device can be more firm hang on overhead earth wire, be difficult for droing, it is big to hang to establish the degree of difficulty, and is consuming time longer, and the earth wire line footpath is little, hangs to establish the back and is connected the contact inseparable enough with the earth wire, causes induced-current can not in time flow into the ground, probably causes the injury to the maintainer.
Disclosure of Invention
The invention mainly aims to solve the problems that the hanging difficulty of a lead end chuck of a ground wire of the existing insulating overhead ground wire is high, the time consumption is long, the diameter of the ground wire is small, the connection contact with the ground wire is not tight enough after the hanging, induced current cannot flow into the ground in time, and the damage to maintenance personnel is possible, and provides the lead end chuck of the ground wire of the insulating overhead ground wire, which has low hanging difficulty, can ensure the tight connection with the insulating overhead ground wire, and can easily separate an insulating operating rod from a hanging hardware fitting after the hanging is finished, so that the hanging time is shortened, the physical strength of the operating personnel is reduced, and the firm and reliable hanging is ensured.
The purpose of the invention is mainly realized by the following scheme: the utility model provides an insulating overhead ground wire earth connection wire end chuck, includes the insulating bar, the one end of insulating bar be connected with and insert the gold utensil soon, the one end joint of keeping away from the insulating bar of inserting the gold utensil soon have fast plug, the one end of keeping away from of fast plug insert the gold utensil soon and be provided with the lifting screw, the lifting screw on threaded connection have a lifting nut, the lifting nut on be connected with the connecting plate through the lifter, the connecting plate on be provided with the clamp wire bolt that is used for fixed annealed copper line, the one end of keeping away from of lifting screw be provided with wholly be conical wire clamping head, the connecting plate on be provided with the wire clamping head cooperate and be used for pressing from both sides the mouth that presss from both sides tight insulating overhead ground wire. One end of the insulating operating rod is connected with a quick-insert hardware fitting, one end of the quick-insert hardware fitting, which is far away from the insulating operating rod, is clamped with a quick plug, connection can be realized after the quick plug is inserted into the quick-insert hardware fitting, the quick plug and the quick-insert hardware fitting can be separated by applying opposite force, one end of the quick plug, which is far away from the quick-insert hardware fitting, is provided with a lifting screw, the lifting screw is in threaded connection with a lifting nut, the lifting nut is connected with a connecting plate through a lifting rod, the connecting plate is provided with a wire clamping bolt for fixing a soft copper wire, one end of the lifting screw, which is far away from the quick plug, is provided with an integrally conical wire clamping head, when the wire clamping head is conical, a worker can conveniently observe the position during operation, and the connecting plate is provided with a clamping opening which is matched with the wire clamping head and is used for clamping an insulating overhead ground wire, during specific operation, before the lead end chuck of the ground wire is hung on the insulating overhead ground wire, the annealed copper wire is locked on the connecting plate by using the positioning bolt, after the insulated operating rod is fixed, the clamping opening is hung on the insulating overhead ground wire by lifting the insulated operating rod, the insulated operating rod is rotated to drive the lifting screw rod to rotate, and the clamping opening is limited on the insulating overhead ground wire, so that the clamping opening, the connecting plate, the lifting rod and the lifting nut are not moved, the lifting screw rod in threaded connection with the lifting nut is moved along the axial direction, the wire clamping head is finally propped in the clamping opening, the insulating overhead ground wire is clamped, the insulated operating rod is pulled downwards by force after the clamping opening is completed, the quick plug is separated from the quick-plug fitting, and the insulated operating rod is finally separated from the lead end chuck; when the conductor end chuck needs to be dismounted, the insulating operating rod and the quick-inserting hardware fitting are used for connecting the quick plug, and the insulating operating rod is rotated to enable the wire clamping head not to clamp the insulating overhead ground wire any more.
Preferably, the inner wall of the fast-inserting fitting is provided with a clamping groove, and the outer wall of the fast plug is provided with a spring marble matched with the clamping groove. Be provided with the draw-in groove on the inner wall of inserting the gold utensil soon, be provided with on the outer wall of fast plug with draw-in groove matched with spring marble, spring marble is current joint structure, and the cooperation is inserted the draw-in groove on the gold utensil inner wall soon and is used, inserts fast plug and when inserting the gold utensil soon in, in the draw-in groove can be gone into to spring marble meeting card to realize connection between them, to fast plug and insert the gold utensil effect opposite direction power soon and can make both break away from.
Preferably, the cross section of the quick plug is hexagonal. The cross section of the quick plug is hexagonal, so that the quick plug cannot rotate after being inserted into the quick-inserting hardware fitting.
As preferred, the fastener include the fixed head of location head and be connected with lifting screw, one side of keeping away from lifting screw of fixed head be provided with the traveller, the fixed head on be provided with traveller sliding connection's gas storage chamber, the fixed head one end of keeping away from be provided with insulating overhead earth wire matched with arc binding face, arc binding face on be provided with the fastener, the inside of fastener have the chamber of aerifing, the fixed head on be provided with the air guide passageway that the chamber and the gas storage chamber were aerifyd in the intercommunication, the lateral wall of traveller and gas storage chamber between be connected with buffer spring. The wire clamping head comprises a positioning head and a fixing head connected with the lifting screw rod, a sliding column is arranged on one side of the fixing head, which is far away from the lifting screw rod, a gas storage cavity connected with the sliding column in a sliding mode is arranged on the positioning head, an arc-shaped binding surface matched with the insulating overhead ground wire is arranged at one end of the positioning head, which is far away from the fixing head, a clamping wire strip is arranged on the arc-shaped binding surface, an inflation cavity is formed in the clamping wire strip, an air guide channel communicated with the inflation cavity and the gas storage cavity is formed in the positioning head, a buffer spring is connected between the sliding column and the side wall of the gas storage cavity, when the lifting screw rod drives the wire clamping head to be pressed on the insulating overhead ground wire, the end portion of the positioning head firstly presses against the insulating overhead ground wire, then the positioning head moves along the sliding column after being stressed and compressed by the buffer spring until the positioning head presses on the fixing head, the buffer spring enables the positioning head to be better matched with a clamping opening and pressed on the insulating overhead ground wire, and when the positioning head moves along the sliding column, air in the air storage cavity can enter the inflation cavity along the air guide channel, and the clamping wire strip can be more tightly surrounded on the insulating overhead ground wire after expansion.
Preferably, the fixed head is provided with an internal thread hole in threaded connection with the lifting screw. The fixing head is provided with an internal thread hole in threaded connection with the lifting screw, the internal thread hole of the fixing head is screwed on the lifting screw, so that stable connection between the fixing head and the lifting screw can be realized, and the operation is very convenient.
Preferably, the lifting screw is welded on the quick plug. The lifting screw rod is welded on the quick plug, and the connection is very stable.
Preferably, the clip strip is made of rubber material. The moulding is made of rubber material, has better elasticity.
Therefore, the insulating overhead ground wire grounding wire end clamp disclosed by the invention has the following advantages: the hanging device is low in hanging difficulty, can ensure that the hanging device is tightly connected with the insulated overhead ground wire, and the insulated operating rod can be easily separated from the hanging hardware fitting after the hanging device is hung, so that the hanging time is reduced, the physical strength of operating personnel is reduced, the hanging device is ensured to be firm and reliable, the structure of the wire clamping head can be better matched with the wire clamping opening and tightly attached to the insulated overhead ground wire, the problem that the wire clamp cannot be tightly contacted with the ground wire after the insulated overhead ground wire is hung is solved, and the virtual hanging state is avoided.
Drawings
Fig. 1 is a front view of the present invention.
Figure 2 is a side view of the present invention.
Fig. 3 is a partial cross-sectional view of the present invention.
Figure 4 is a cross-sectional view of a chuck for use with the present invention.
Fig. 5 is an enlarged view at a in fig. 4.
Illustration of the drawings: 1-insulating operating rod, 2-fast inserting hardware fitting, 3-fast plug, 4-lifting screw rod, 5-lifting nut, 6-wire clamping head, 7-clamping opening, 8-lifting rod, 9-connecting plate, 10-wire clamping bolt, 11-annealed copper wire, 12-clamping groove, 13-spring ball, 14-positioning head, 15-fixing head, 16-buffer spring, 17-internal thread hole, 18-air charging cavity, 19-sliding column, 20-air storage cavity, 21-air guide channel, 22-clamping line and 23-arc-shaped binding surface.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in fig. 1, 2 and 3, an insulating overhead ground wire lead end chuck comprises an insulating operating rod 1, one end of the insulating operating rod 1 is connected with a fast-insertion fitting 2, one end of the fast-insertion fitting 2, which is far away from the insulating operating rod 1, is clamped with a fast plug 3, the inner wall of the fast-insertion fitting 2 is provided with a clamping groove 12, the outer wall of the fast plug 3 is provided with a spring marble 13 matched with the clamping groove 12, the spring marble 13 is of an existing clamping structure and is matched with the clamping groove 12 on the inner wall of the fast-insertion fitting 2 for use, when the fast plug 3 is inserted into the fast-insertion fitting 2, the spring marble 13 can be clamped into the clamping groove 12, so that the connection between the fast plug 3 and the fast-insertion fitting 2 is realized, the fast plug 3 and the fast-insertion fitting 2 can be separated by applying opposite forces, the cross section of the fast plug 3 is hexagonal, so that the fast plug 3 cannot rotate after being inserted into the fast-insertion fitting 2, the quick plug 3 is provided with a lifting screw 4 at one end far away from the quick-plug fitting 2, the lifting screw 4 is in threaded connection with a lifting nut 5, the lifting nut 5 is connected with a connecting plate 9 through a lifting rod 8, the connecting plate 9 is provided with a wire clamping bolt 10 for fixing a soft copper wire 11, the lifting screw 4 is provided with a wire clamping head 6 which is integrally conical at one end far away from the quick plug 3, when the wire clamping head 6 is conical, a worker can conveniently observe the position during operation, the connecting plate 9 is provided with a clamping opening 7 which is matched with the wire clamping head 6 and used for clamping an insulating overhead ground wire, during specific operation, the soft copper wire 11 is firstly locked on the connecting plate 9 through a positioning bolt before the wire end clamping head of the ground wire is hung on the insulating overhead ground wire, after fixing, the worker lifts an insulating operating rod 1 to hang the clamping opening 7 on the insulating overhead ground wire, and rotates the insulating operating rod 1 to drive the lifting screw 4 to rotate, the clamping opening 7 is limited on the insulating overhead ground wire, so that the clamping opening 7, the connecting plate 9, the lifting rod 8 and the lifting nut 5 are not moved, the lifting screw rod 4 in threaded connection with the lifting nut 5 moves along the axial direction, the wire clamping head 6 is finally jacked in the clamping opening 7, the insulating overhead ground wire is clamped, the insulating operating rod 1 is pulled downwards by force after the clamping opening is completed, the fast plug 3 is separated from the fast plug fitting 2, and the insulating operating rod 1 is finally separated from a wire end chuck; when the conductor end chuck needs to be dismounted, the insulating operating rod 1 and the fast-inserting hardware fitting 2 are used for connecting the fast plug 3, and the insulating operating rod 1 is rotated to enable the wire clamping head 6 to be no longer clamped on the insulating overhead ground wire.
As shown in fig. 4 and 5, the wire clamping head 6 includes a positioning head 14 and a fixing head 15 connected to the lifting screw 4, a sliding column 19 is disposed on a side of the fixing head 15 away from the lifting screw 4, an air storage cavity 20 slidably connected to the sliding column 19 is disposed on the positioning head 14, an arc abutting surface 23 matched with the insulating overhead ground wire is disposed at one end of the positioning head 14 away from the fixing head 15, a clamping strip 22 is disposed on the arc abutting surface 23, an air charging cavity 18 is disposed inside the clamping strip 22, an air guide channel 21 communicating the air charging cavity 18 with the air storage cavity 20 is disposed on the positioning head 14, a buffer spring 16 is connected between the sliding column 19 and a sidewall of the air storage cavity 20, when the lifting screw 4 drives the wire clamping head 6 to abut against the insulating overhead ground wire, an end of the positioning head 14 abuts against the insulating overhead ground wire first, then the positioning head 14 compresses the buffer spring 16 under force and moves along the sliding column 19 until the positioning head 14 abuts against the fixing head 15, the buffer spring 16 is disposed so that the positioning head 14 can better fit with the clamping opening 7 and abut against the insulating overhead ground wire, and when the air storage cavity 14 moves along the air charging channel 21, so that the air charging channel 18 can enter the insulating overhead ground wire closely.
The fixing head 15 is provided with an internal thread hole 17 in threaded connection with the lifting screw 4, the internal thread hole 17 of the fixing head 15 is screwed on the lifting screw 4, stable connection between the fixing head and the lifting screw can be achieved, and operation is very convenient.
The lifting screw rod 4 is welded on the quick plug 3, and the connection is very stable.
The moulding 22 is made of rubber material and has good elasticity.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides an insulating overhead ground wire earth connection wire end chuck, includes insulating bar, its characterized in that, insulating bar's one end be connected with and insert the gold utensil soon, the one end joint of keeping away from insulating bar of inserting the gold utensil soon have fast plug, the one end of keeping away from fast inserting the gold utensil of fast plug be provided with the lifting screw, the lifting screw on threaded connection have a lifting nut, the lifting nut on be connected with the connecting plate through the lifter, the connecting plate on be provided with the trapping bolt that is used for fixed annealed copper line, the one end of keeping away from fast plug of lifting screw be provided with wholly be conical trapping head, the connecting plate on be provided with the mouth that presss from both sides trapping head and cooperate and be used for pressing from both sides tight insulating overhead ground wire, trapping head include the fixed head be connected with lifting screw and fix head, the fixed head one side of keeping away from the lifting screw be provided with the traveller, the fixed head on be provided with traveller's gas storage chamber with traveller sliding connection, the one end of fixed head be provided with insulating ground wire matched with arc binding face, arc binding face on the gas storage chamber that aerifys, the gas storage chamber that the inside of trapping head that has between the gas storage chamber, the gas storage chamber that is connected with the gas storage chamber, the gas storage chamber is connected with the overhead ground wire, the gas storage chamber.
2. The insulated overhead ground wire grounding wire end chuck as claimed in claim 1, wherein a clamping groove is provided on the inner wall of the fast-plug fitting, and a spring ball matched with the clamping groove is provided on the outer wall of the fast-plug fitting.
3. An insulated overhead ground wire ground lead end clip according to claim 1 wherein the quick connector has a hexagonal cross-section.
4. An insulated overhead ground wire grounding wire lead end clamp according to claim 1, 2 or 3, characterized in that the fixing head is provided with an internal thread hole in threaded connection with the lifting screw.
5. An insulated overhead ground wire ground lead end clip according to claim 1, 2 or 3, wherein the clip strip is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290881.4A CN112993604B (en) | 2019-12-12 | 2019-12-12 | Insulating overhead ground wire earth connection wire end chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290881.4A CN112993604B (en) | 2019-12-12 | 2019-12-12 | Insulating overhead ground wire earth connection wire end chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112993604A CN112993604A (en) | 2021-06-18 |
| CN112993604B true CN112993604B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911290881.4A Active CN112993604B (en) | 2019-12-12 | 2019-12-12 | Insulating overhead ground wire earth connection wire end chuck |
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| CN (1) | CN112993604B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453431B (en) * | 2021-09-01 | 2021-11-19 | 常州协和光电器件有限公司 | Circuit board assembly convenient to fixed line |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196510A (en) * | 1978-09-25 | 1980-04-08 | Artos Engineering Company | Apparatus and method for production of wire leads |
| CN201508927U (en) * | 2009-10-24 | 2010-06-16 | 华北电网有限公司大同超高压供电公司 | Telescopic protective earth wire device |
| KR101947683B1 (en) * | 2016-11-08 | 2019-02-13 | (주)원컨덕터 | Insulation rack for windind distribution line |
| CN211858929U (en) * | 2019-12-12 | 2020-11-03 | 义乌市输变电工程有限公司 | Portable insulating overhead ground wire earth connection wire end chuck |
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| CN112993604A (en) | 2021-06-18 |
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