CN111525449A - T-connection power wire clamp installed in high-altitude electrified mode - Google Patents
T-connection power wire clamp installed in high-altitude electrified mode Download PDFInfo
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- CN111525449A CN111525449A CN202010501479.2A CN202010501479A CN111525449A CN 111525449 A CN111525449 A CN 111525449A CN 202010501479 A CN202010501479 A CN 202010501479A CN 111525449 A CN111525449 A CN 111525449A
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- clamp
- cable
- insulating rod
- connection power
- plate
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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
- 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
Abstract
The invention discloses a T-connection power clamp installed in an overhead live manner, which comprises a T-connection clamp body, a clamp, a first insulating rod and a second insulating rod, wherein the clamp is arranged on the T-connection clamp body; the T-shaped jointing clamp body comprises a clamping head, a cable pressing plate and a positioning bolt, wherein one end of the positioning bolt penetrates through a screw hole in the bottom of the clamping head in a threaded manner and is connected with the cable pressing plate, the top of the first insulating rod is embedded into a bolt head of the positioning bolt, and the clamping head is provided with a binding post; anchor clamps include punch holder, lower plate, connecting plate, screw rod, and the punch holder articulates at the top of connecting plate, and the lower plate is fixed in the bottom of connecting plate, and the screw of lower plate is worn out and the terminal bottom of ball butt punch holder is equipped with to the one end of screw rod, and the other end of screw rod is equipped with the top threaded connection of connector and second insulating rod. The T-connection power supply wire clamp can be used for performing branch connection on a circuit, providing mechanical fastening force and conducting current, pre-positioning the cable, and enhancing the conductivity and the connection reliability.
Description
Technical Field
The invention relates to the technical field of power distribution overhead line connection, in particular to a T-connection power wire clamp installed in an overhead live mode.
Background
In a daily live-line fire-receiving operation mode of a 10kV insulating overhead line, a traditional mode can only adopt a power failure mode or assist by using a live-line work vehicle, and manual operation is carried out by climbing through an operator. For example, patent publication No. CN210167729U provides a preformed T-shaped wire clamp, which uses twisted wires to perform T-shaped connection, thereby increasing the connection firmness and increasing the contact area between the clamp and the wire. Whether the insulating auxiliary tool used in live-line welding is efficient and safe is an important index directly related to life safety of operators and improvement of working efficiency, and if live-line welding operation without power outage is to be carried out, a safe and efficient auxiliary T-shaped welding tool needs to be developed.
Disclosure of Invention
In order to improve the use efficiency of power equipment and circuits and ensure the stable and ordered power supply service of a power system, the invention provides the T-connection power clamp installed in an overhead electrified way, the T-connection power clamp can perform branch connection on the circuits, can provide mechanical fastening force and conduct current, and simultaneously performs pre-positioning on cables, enhances the conductivity and increases the reliability of connection.
The technical scheme of the invention is as follows:
a T-connection power wire clamp installed in an overhead live mode comprises a T-connection wire clamp body, a clamp, a first insulating rod and a second insulating rod; the T-shaped jointing clamp comprises a clamping head, a cable pressing plate and a positioning bolt, wherein a screw hole is formed in the bottom of the clamping head, one end of the positioning bolt penetrates through the screw hole in the bottom of the clamping head in a threaded manner and is connected with the cable pressing plate, the top of the first insulating rod is embedded into the bolt head of the positioning bolt, the cable pressing plate is matched with the top of the clamping head to clamp a cable, and the clamping head is provided with a binding post for connecting a cable; the utility model discloses an insulating rod's of second, anchor clamps include punch holder, lower plate, connecting plate, screw rod, the punch holder articulates the top of connecting plate, the lower plate is fixed the bottom of connecting plate, the screw is seted up to the end of lower plate, the one end of screw rod is worn out the screw of lower plate and be equipped with the ball butt the terminal bottom of punch holder, the other end of screw rod be equipped with the connector with the top threaded connection of second insulating rod, the punch holder with the lower plate forms the clip structure and is used for pressing from both sides tightly T binding clip body.
When the T-shaped connecting clamp is used, a connecting lug of a cable to be T-connected is hooked and fixed on a connecting terminal, then a T-shaped connecting clamp body is placed in a clamp structure formed by an upper clamping plate and a lower clamping plate, then a second insulating rod is rotated to drive a screw rod to rotate, the screw rod rotates to extrude the upper clamping plate, an opening of the clamp structure formed by the upper clamping plate and the lower clamping plate is contracted, the T-shaped connecting clamp body is clamped, then the T-shaped connecting clamp body is lifted to an installation position through the second insulating rod, the top of a clamping head is hooked on a cable, then the first insulating rod is lifted to enable the top of the first insulating rod to be aligned with a bolt head of a positioning bolt at the middle bottom of the clamping head to be sleeved, then the first insulating rod is rotated to drive the positioning bolt to upwards screw, the positioning bolt drives a cable pressing plate to lift, and the cable pressing plate is matched with, the installation of the T jointing clamp can be completed. And finally, after the T jointing clamp is installed, the first insulating rod is separated from the installation bolt, and the second insulating rod is rotated reversely at the same time, so that the clamp is loosened and does not clamp the T jointing clamp body, and the clamp can be removed.
Furthermore, the top of the chuck is of an inwards concave hook-shaped structure, an arc-shaped groove is formed in the surface of the cable pressing plate, and the arc-shaped groove of the cable pressing plate is matched with the hook-shaped structure at the top of the chuck to clamp the cable. The hook-shaped design at the top of the chuck and the arc-shaped groove of the cable pressing plate are convenient to be matched with the appearance of the cable, so that the cable is clamped more stably.
Furthermore, the inner surface of the hook-shaped structure at the top of the chuck and the surface of the arc-shaped groove of the cable pressing plate are both provided with anti-slip lines, and the anti-slip lines can increase the contact friction force between the T-shaped jointing clamp body and the cable and enhance the stability.
Furthermore, a hexagonal sleeve matched with the bolt head of the positioning bolt is arranged at the top of the first insulating rod. The hexagonal sleeve is convenient for the first insulating plate to fast cup joint with the bolt head of positioning bolt and is twisted.
Furthermore, the inner wall of the cylinder opening of the hexagonal sleeve is designed to be a conical inclined surface, so that the bolt head can be conveniently guided to be quickly aligned to enter the hexagonal sleeve.
Furthermore, the T jointing clamp body is provided with compression bolts, screw holes are formed in two sides of the bottom of the chuck, and one ends of the two compression bolts penetrate through the screw holes in the two sides of the bottom of the chuck and abut against the bottom of the cable pressing plate respectively in a threaded mode and are symmetrically arranged on two sides of the positioning bolt. After the positioning bolt is tightened to enable the cable pressing plate to be matched with the top of the chuck to clamp the cable, the pressing bolt can be used for increasing pressing force, meanwhile, the conductivity is enhanced, and the connection reliability is improved. Wherein, the bolt head of clamp bolt is applicable to the hexagonal sleeve at first insulating rod top equally, and accessible hexagonal sleeve twists the clamp bolt.
Furthermore, the upper clamping plate is provided with a clamping groove matched with the hook-shaped structure at the top of the clamping head.
Further, the lower splint is provided with a U-shaped groove for clamping the positioning bolt, and two ends of an opening of the U-shaped groove are provided with baffles.
The top adaptation of punch holder and chuck of anchor clamps, the lower plate joint of anchor clamps are on positioning bolt's both sides, and the cable of being convenient for simultaneously wears out and is connected with the terminal, and the baffle is used for spacing to the chuck border, and the clip structure that punch holder and lower plate are constituteed is convenient for anchor clamps and is pressed from both sides tightly T binding clip body.
Further, a crank handle is arranged at the bottom of the first insulating rod. When the first insulating rod is rotated, one end of the crank is connected to the bottom of the insulating rod for convenient use, so that the length of the force arm is increased, and labor is saved during operation; meanwhile, the other end of the crank is provided with a crank handle which can be conveniently grasped by hands and rotated in a shaking way.
Furthermore, a locking nut used for locking the cable is arranged on the binding post. The through hole of the cable lug is hung on the binding post and is locked by a locking nut to complete wiring.
The invention has the beneficial effects that:
the clamp can clamp and lift the T jointing clamp body to a target position, prevent displacement in the locking process and enable the T jointing clamp body to be placed on a cable without power failure; the T-shaped jointing clamp body can be used for branch connection of a line, provides mechanical fastening force and conducts current, and has firm connection performance; according to the invention, the T-shaped jointing clamp body can be quickly installed by operating the first insulating rod and the second insulating rod, the whole operation is quick and convenient, and the live body can be directly contacted without power failure; the T-connection power wire clamp effectively reduces labor intensity and safety risk of a construction site, can be operated in a live mode, and is simple to use, convenient and portable, and high in popularization and practicability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is another angular schematic view of FIG. 1;
FIG. 3 is a further angular schematic view of FIG. 1;
FIG. 4 is a schematic structural view of a T-clamp body;
FIG. 5 is another angular schematic of FIG. 4;
FIG. 6 is a schematic view of the structure of the jig;
FIG. 7 is another angular schematic of FIG. 6;
FIG. 8 is a schematic view of the first insulating rod with a crank handle;
FIG. 9 is a schematic view of the T-block power clamp of the present invention mounted on a cable;
in the figure: the cable clamp comprises a first insulating rod 1, a second insulating rod 2, a chuck 3, a cable pressing plate 4, a positioning bolt 5, a hexagonal sleeve 6, a binding post 7, a locking nut 8, an upper clamping plate 9, a lower clamping plate 10, a connecting plate 11, a screw 12, a ball 13, a connector 14, a compression bolt 15, a clamping groove 16, a U-shaped groove 17, a baffle 18 and a crank handle 19.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1-9, a T-junction power clamp installed in an aerial live manner comprises a T-junction clamp body, a clamp, a first insulating rod 1 and a second insulating rod 2; the T-shaped jointing clamp comprises a clamping head 3, a cable pressing plate 4 and a positioning bolt 5, wherein a screw hole is formed in the middle of the bottom of the clamping head 3, one end of the positioning bolt 5 penetrates through the screw hole in the bottom of the clamping head 3 to be connected with the cable pressing plate 4, a hexagonal sleeve 6 matched with the bolt head of the positioning bolt 5 is arranged at the top of a first insulating rod 1, the bolt head of the positioning bolt 5 can be embedded into the hexagonal sleeve 6, the top of the clamping head 3 is of an inwards concave hook-shaped structure, an arc-shaped groove is formed in the surface of the cable pressing plate 4, the arc-shaped groove of the cable pressing plate 4 is matched with the hook-shaped structure in the top of the clamping head 3 to clamp a cable, a binding post 7 used for connecting the cable is arranged on the back of the clamping head 3, a; anchor clamps include punch holder 9, lower plate 10, connecting plate 11, screw rod 12, punch holder 9 articulates at the top of connecting plate 11, lower plate 10 is fixed in the bottom of connecting plate 11, the screw is seted up to the end of lower plate 10, the screw of lower plate 10 is worn out and the terminal bottom of ball 13 butt punch holder 9 is equipped with to the one end of screw rod 12, the other end of screw rod 12 is equipped with the top threaded connection of connector 14 with second insulating rod 2, punch holder 9 and lower plate 10 form the clip structure and are used for pressing from both sides tight T binding clip body.
In this embodiment, the hook-shaped structure internal surface at chuck 3 top and the arc wall surface of cable clamp plate 4 all are equipped with anti-skidding line, and anti-skidding line can increase the contact friction of T binding clip body and cable, reinforcing stability.
Referring to fig. 8, in the present embodiment, the inner wall of the socket of the hexagonal socket 6 is a tapered slope, which facilitates the rapid alignment of the bolt head into the interior of the hexagonal socket 6.
Referring to fig. 1 to 5, in this embodiment, the T-shaped jointing clamp body is provided with a pressing bolt 15, two sides of the bottom of the clamping head 3 are provided with screw holes, and one end of each of the two pressing bolts 15 respectively penetrates through the screw holes on the two sides of the bottom of the clamping head 3 in a threaded manner to abut against the bottom of the cable pressing plate 4 and is symmetrically arranged on two sides of the positioning bolt 5. After the positioning bolts 5 are tightened to enable the cable pressing plate 4 to be matched with the top of the clamping head 3 to clamp the cable, the pressing bolt 15 can be used for increasing pressing force and simultaneously enhancing conductivity and increasing the reliability of connection. The bolt head of the pressing bolt 15 is also suitable for the hexagonal sleeve 6 at the top of the first insulating rod 1, and the pressing bolt 15 can be screwed through the hexagonal sleeve 6.
Referring to fig. 6 and 7, in the present embodiment, the upper clamp plate 9 is provided with a clamp groove 16 adapted to the hook structure at the top of the chuck 3, the lower clamp plate 10 is provided with a U-shaped groove 17 for clamping the positioning bolt 5, and two open ends of the U-shaped groove 17 are provided with a baffle 18. The top adaptation of punch holder 9 and chuck 3 of anchor clamps, the lower plate 10 of anchor clamps pass through the joint of U type groove 17 on the both sides of positioning bolt 5, and the cable of being convenient for simultaneously is worn out and is connected with terminal 7, and baffle 18 is used for spacing to chuck 3 border, and the clip structure that punch holder 9 and lower plate 10 are constituteed is convenient for anchor clamps and is pressed from both sides tightly the T binding clip body.
Referring to fig. 8, in the present embodiment, a crank handle 19 is provided at the bottom of the first insulating rod 1. When the first insulating rod 1 is rotated, one end of the crank is connected to the bottom of the insulating rod for convenient use, so that the length of the force arm is increased, and labor is saved during operation; meanwhile, the other end of the crank is provided with a crank handle which can be conveniently grasped by hands and rotated in a shaking way.
In the present embodiment, in order to increase the height of freely adjusting the elevation, the first insulating rod 1 and the second insulating rod 2 may be replaced with telescopic insulating rods.
The working principle of the invention is as follows:
when the cable connector is used, a connector lug of a cable to be subjected to T connection is hung and fixed on a connector post 7, locking is carried out by a locking nut 8 to complete wiring, then a T wiring clamp body is placed in a clamp structure formed by an upper clamp plate 9 and a lower clamp plate 10, then a second insulating rod 2 is rotated to enable the second insulating rod 2 to drive a screw 12 to rotate, the screw 12 rotates to extrude the upper clamp plate 9 through a ball 13, an opening of the clamp structure formed by the upper clamp plate 9 and the lower clamp plate 10 is contracted, the T wiring clamp body is clamped, then the T wiring clamp body is lifted to an installation position through the second insulating rod 2 to enable the top of a clamp head 3 to be hooked on the cable, then a first insulating rod 1 is lifted to enable a hexagonal sleeve 6 at the top of the first insulating rod to be aligned to a bolt head of a positioning bolt 5 at the middle bottom of the clamp head 3 to be sleeved, then the first insulating rod 1 is rotated by hand, the first insulating rod 1 drives the positioning bolt 5 to upwards screw, the positioning bolt 5 drives the cable pressing plate 4 to lift, the cable pressing plate 4 is matched with the top of the chuck 3 to clamp a cable, and then the T-shaped jointing clamp can be installed. Finally, after the T jointing clamp is installed, the hexagonal sleeve 6 at the top of the first insulating rod 1 is separated from the pressing bolt 15 and taken down, and meanwhile, the second insulating rod 2 is rotated reversely, so that the clamp is loosened and is not clamped on the T jointing clamp body, the clamp can be taken down, and quick installation is completed.
The clamp can clamp and lift the T jointing clamp body to a target position, prevent displacement in the locking process and enable the T jointing clamp body to be placed on a cable without power failure; the T-shaped jointing clamp body can be used for branch connection of a line, provides mechanical fastening force and conducts current, and has firm connection performance; according to the invention, the T-shaped jointing clamp body can be quickly installed by operating the first insulating rod and the second insulating rod, the whole operation is quick and convenient, and the live body can be directly contacted without power failure; the T-connection power wire clamp effectively reduces labor intensity and safety risk of a construction site, can be operated in a live mode, and is simple to use, convenient and portable, and high in popularization and practicability.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A T-connection power wire clamp installed in an overhead electrified manner is characterized by comprising a T-connection wire clamp body, a clamp, a first insulating rod and a second insulating rod; the T-shaped jointing clamp comprises a clamping head, a cable pressing plate and a positioning bolt, wherein a screw hole is formed in the bottom of the clamping head, one end of the positioning bolt penetrates through the screw hole in the bottom of the clamping head in a threaded manner and is connected with the cable pressing plate, the top of the first insulating rod is embedded into the bolt head of the positioning bolt, the cable pressing plate is matched with the top of the clamping head to clamp a cable, and the clamping head is provided with a binding post for connecting a cable; the utility model discloses an insulating rod's of second, anchor clamps include punch holder, lower plate, connecting plate, screw rod, the punch holder articulates the top of connecting plate, the lower plate is fixed the bottom of connecting plate, the screw is seted up to the end of lower plate, the one end of screw rod is worn out the screw of lower plate and be equipped with the ball butt the terminal bottom of punch holder, the other end of screw rod be equipped with the connector with the top threaded connection of second insulating rod, the punch holder with the lower plate forms the clip structure and is used for pressing from both sides tightly T binding clip body.
2. The aerial live-line installation T-connection power clamp as claimed in claim 1, wherein the top of the clamping head is of a concave hook structure, an arc-shaped groove is formed in the surface of the cable pressing plate, and the arc-shaped groove of the cable pressing plate is matched with the hook structure at the top of the clamping head to clamp a cable.
3. The aerial live-line installation T-connection power clamp as claimed in claim 2, wherein the inner surface of the hook-shaped structure at the top of the clamping head and the arc-shaped groove surface of the cable pressing plate are provided with anti-slip threads.
4. The aerial live-line installation T-connection power clamp as claimed in claim 1, wherein a hexagonal sleeve matched with a bolt head of the positioning bolt is arranged at the top of the first insulating rod.
5. The aerial live-line installation T-connection power clamp as claimed in claim 4, wherein the inner wall of the opening of the hexagonal sleeve is provided with a conical inclined surface.
6. The high-altitude electrified installation T-connection power clamp according to claim 1, characterized in that the T-connection power clamp body is provided with compression bolts, screw holes are formed in two sides of the bottom of the chuck, and one ends of the two compression bolts respectively penetrate through the screw holes in the two sides of the bottom of the chuck in a threaded manner to be abutted against the bottom of the cable pressing plate and are symmetrically arranged on two sides of the positioning bolt.
7. The aerial live-line T-connection power clamp as claimed in claim 2, wherein the upper clamping plate is provided with a clamping groove matched with the hook structure at the top of the clamping head.
8. The high-altitude electrified installation T-connection power clamp as claimed in claim 1, wherein the lower clamp plate is provided with a U-shaped groove for clamping the positioning bolt, and two ends of an opening of the U-shaped groove are provided with baffles.
9. The aerial live-line installation T-connection power clamp as claimed in claim 1, wherein a crank handle is arranged at the bottom of the first insulating rod.
10. The aerial live-line installation T-connection power clamp as claimed in claim 1, wherein a locking nut for locking a cable is arranged on the binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010501479.2A CN111525449A (en) | 2020-06-04 | 2020-06-04 | T-connection power wire clamp installed in high-altitude electrified mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010501479.2A CN111525449A (en) | 2020-06-04 | 2020-06-04 | T-connection power wire clamp installed in high-altitude electrified mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111525449A true CN111525449A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010501479.2A Pending CN111525449A (en) | 2020-06-04 | 2020-06-04 | T-connection power wire clamp installed in high-altitude electrified mode |
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| Country | Link |
|---|---|
| CN (1) | CN111525449A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114268048A (en) * | 2021-12-24 | 2022-04-01 | 国网湖南省电力有限公司 | Complete tool for electrified device lead of operating rod of hericium erinaceus wire clamp and application method of complete tool |
| WO2022087053A1 (en) * | 2020-10-21 | 2022-04-28 | Hubbell Incorporated | Installation accessories for lineman hot sticks |
| CN115085085A (en) * | 2022-07-11 | 2022-09-20 | 国家电网有限公司 | Live-line repairing device for high-voltage transmission line |
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| CN205621890U (en) * | 2016-05-18 | 2016-10-05 | 国网山东省电力公司枣庄供电公司 | T molded lines of starting to exchange fire with electricity presss from both sides |
| CN205811485U (en) * | 2016-06-28 | 2016-12-14 | 西安江夏电力设备制造有限公司 | A kind of T-shaped wire clamp of quick joining type |
| CN206272189U (en) * | 2016-12-14 | 2017-06-20 | 国网浙江临安市供电公司 | A kind of T-shaped wire clamp of distribution uninterrupted operation |
| CN208622967U (en) * | 2018-07-26 | 2019-03-19 | 国网江苏省电力有限公司技能培训中心 | A kind of parallel groove clamp clamper |
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2020
- 2020-06-04 CN CN202010501479.2A patent/CN111525449A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205621890U (en) * | 2016-05-18 | 2016-10-05 | 国网山东省电力公司枣庄供电公司 | T molded lines of starting to exchange fire with electricity presss from both sides |
| CN205811485U (en) * | 2016-06-28 | 2016-12-14 | 西安江夏电力设备制造有限公司 | A kind of T-shaped wire clamp of quick joining type |
| CN206272189U (en) * | 2016-12-14 | 2017-06-20 | 国网浙江临安市供电公司 | A kind of T-shaped wire clamp of distribution uninterrupted operation |
| CN208622967U (en) * | 2018-07-26 | 2019-03-19 | 国网江苏省电力有限公司技能培训中心 | A kind of parallel groove clamp clamper |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022087053A1 (en) * | 2020-10-21 | 2022-04-28 | Hubbell Incorporated | Installation accessories for lineman hot sticks |
| CN114268048A (en) * | 2021-12-24 | 2022-04-01 | 国网湖南省电力有限公司 | Complete tool for electrified device lead of operating rod of hericium erinaceus wire clamp and application method of complete tool |
| CN114268048B (en) * | 2021-12-24 | 2023-09-19 | 国网湖南省电力有限公司 | Electrified wire-mounting tool set for operating rod of hericium erinaceus clamp and application method of electrified wire-mounting tool set |
| CN115085085A (en) * | 2022-07-11 | 2022-09-20 | 国家电网有限公司 | Live-line repairing device for high-voltage transmission line |
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Application publication date: 20200811 |
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