CN217956653U - Safe backup cable clamp - Google Patents
Safe backup cable clamp Download PDFInfo
- Publication number
- CN217956653U CN217956653U CN202222120598.0U CN202222120598U CN217956653U CN 217956653 U CN217956653 U CN 217956653U CN 202222120598 U CN202222120598 U CN 202222120598U CN 217956653 U CN217956653 U CN 217956653U
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- strip
- strain clamp
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- clamp
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Abstract
The utility model discloses a safe backup fastener, connect the strip including U type link, heart type ring, strain clamp, reinforcement, the heart type ring is being connected to U type link, and heart type ring is connected to the reinforcement through strain clamp winding connection and is continuing on the strip, the reinforcement is continued the strip and is connected with first packing strip, continues to install the pulling force detection alarm that is connected with strain clamp on the strip at the reinforcement, first packing strip is followed the second that is wrapping up transmission of electricity wire and is being filled the strip and is gone out, transmission of electricity wire finally inserts to compression type strain clamp in. The utility model discloses a safe backup fastener can replace the compression type strain clamp performance that became invalid, and the tensile force detection alarm of installation detects the strain clamp atress increase that links to each other with it on the safe backup fastener, can the very first time send signal notice maintainer in time maintain the replacement to compression type strain clamp, has reduced the possibility of taking place power transmission trouble or causing the incident.
Description
Technical Field
The utility model relates to a transmission line gold utensil technical field, specifically speaking relates to a safe backup fastener.
Background
When a high-voltage transmission conductor is erected, a cable clamp needs to be fixedly connected with a tower at the transmission conductor, and a compression type strain clamp is arranged to connect the transmission conductor with the tower in the traditional method. However, the tension between the transmission conductor and the tower is large and the transmission conductor is in contact with the external environment for a long time, so that the compression type strain clamp is easy to age and break along with time, and finally the transmission conductor falls off to influence the transmission of electric power or cause safety accidents. In order to solve the problems, a safety backup wire clamp directly or indirectly connected with a transmission conductor is arranged on a pole tower on the basis of a compression type strain clamp, and when the compression type strain clamp is aged and fails, the safety backup wire clamp can replace the compression type strain clamp to continuously maintain the connection between the conductor and the pole tower.
For example, a safety backup cable clamp with publication number CN216436761U mainly includes: the cable comprises a U-shaped hanging ring, a heart-shaped ring, a front strain clamp, a rear strain clamp, a filling strip and a double-layer reinforcing connecting strip; the U-shaped suspension ring is connected with the heart-shaped ring, and the front strain clamp and the rear strain clamp are wound and connected to the filling strip from the heart-shaped ring; one section of the inner layer of the double-layer reinforcing connecting strip is wound on the front strain clamp and the rear strain clamp, the other section of the inner layer of the double-layer reinforcing connecting strip is wound on a power transmission lead, and the power transmission lead is connected with the compression type strain clamp. The safety backup wire clamp can replace a compression type strain clamp to stabilize a transmission wire when the compression type strain clamp fails, and the stability and the safety of the power transmission process are maintained.
However, when the compression-type strain clamp fails and functions, the conventional safety backup clamp including the above patent cannot be known by maintenance personnel at the first time, and the safety backup clamp may also be aged and lose function as time goes by, and at this time, the possibility of affecting power transmission and causing safety accidents still exists.
Disclosure of Invention
The safety backup wire clamp to the conventionality can not let the maintenance personal in time discover, has the possibility that the safety backup wire clamp further ages and influences power transmission and causes the incident risk, provides following utility model now.
The utility model provides a safe backup fastener which characterized in that: connect the strip including U type link, heart type ring, strain clamp, reinforcement, U type link is connected with heart type ring, is equipped with on the heart type ring from the heart type ring winding to the reinforcement strain clamp on the strip that continues, the reinforcement is continued the strip and is connected with the packing strip, and the reinforcement is continued and is still installed the pulling force that pulling force detection input end and strain clamp are connected on the strip and detect the alarm, and the pulling force detection input of pulling force detection alarm is when detecting that strain clamp bears the pulling force too big, just can send out the police dispatch newspaper.
Preferably, the filling strips comprise a first filling strip and a second filling strip, the first filling strip is arranged obliquely above the second filling strip and is connected with the reinforcing connecting strip, and the second filling strip is wrapped with the power transmission conductor.
Preferably, the transmission conductor is connected with a compression type strain clamp, a jumper wire is connected out from the compression type strain clamp, shunt strips are wound on the jumper wire and the transmission conductor, the shunt strips at the position of the transmission conductor are finally wound on the second filling strip, the shunt strips can share current on the transmission conductor, and the electric flux of the transmission conductor is improved.
Preferably, the compression type strain clamp is installed on a connecting plate, and a U-shaped hanging ring is further installed on the connecting plate.
Preferably, the filler strip is made of a plurality of metal strands made of aluminum-clad steel or steel-cored aluminum, so that a larger holding force can be provided, and the number or size of the settable transmission conductors can be increased.
Advantageous effects
The utility model discloses an additionally install pulling force detection alarm on traditional safety backup fastener, in case compression type strain clamp became invalid, when safety backup fastener played the effect, the pulling force that strain clamp receives can increase, and the pulling force that leads to being connected with it detects the alarm and can signals, informs the maintenance personal to maintain the inspection to compression type strain clamp and safety backup fastener to the possibility of taking place power transmission trouble or causing the incident has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a part a of the embodiment of the present invention.
The correspondence between the labels of the various figures in the drawing and the names of the components is as follows:
1. a U-shaped hanging ring; 2. a heart-shaped ring; 3. strain clamp; 4. a tension detection alarm; 5. reinforcing the connecting strip; 6. a shunt strip; 7. filling the strips; 8. a compression type strain clamp; 9. a power transmission conductor; 10. a connecting plate; 11. and (6) jumping wires.
101. A bolt; 201. a hanging part; 401. a tension detection input end; 701. a first filler strip; 702. a second filler strip.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, which are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The safety backup cable clamp comprises a U-shaped hanging ring 1, a heart-shaped ring 2, a strain clamp 3 and a reinforcing connection strip 5, wherein the U-shaped hanging ring 1 is connected with the heart-shaped ring through a bolt 101, the heart-shaped ring is connected with the strain clamp 3, the strain clamp 3 is arranged in a pre-twisted wire mode, one end of the strain clamp is wound and fixed on a hanging part 201 of the heart-shaped ring, the other end of the strain clamp is wound on the reinforcing connection strip 5, the reinforcing connection strip 5 wraps a fixedly connected filling strip 7, a tension detection alarm 4 is further installed above the reinforcing connection strip 5, a tension detection input end 401 of the tension detection alarm 4 is connected with the strain clamp 3, and after the strain clamp 3 is tensioned, the tension detection input end 401 of the tension detection alarm 4 detects that the tension value of the strain clamp is increased sharply, and an alarm signal can be sent.
Further, the filler strip 7 includes a first filler strip 701 and a second filler strip 702 which are in a forked arrangement, wherein the first filler strip 701 is separated from the middle of the second filler strip 702 obliquely upward and is wound and connected to the reinforcement connecting strip 5, the second filler strip 702 is horizontally arranged, a power transmission conductor 9 is wrapped inside the second filler strip, the power transmission conductor 9 is connected into the compression type strain clamp 8, a jumper 11 responsible for output current is connected to the lower side of the compression type strain clamp 8, the compression type strain clamp 8 and the U-shaped suspension ring 1 are both fixedly installed on a connecting plate 10, and the connecting plate 10 is fixedly installed on devices such as a power transmission tower.
Furthermore, shunt strips 6 are wound on the power transmission conductors 9 and the jumper wires 11, one end of each shunt strip 6 on each power transmission conductor 9 is wound on the second filling strip 702 from each power transmission conductor 9, and the shunt strips 6 between the power transmission conductors 9 and the jumper wires 11 are arranged in an arc shape and do not contact with any component. The shunting strips 6 are made of high-strength aluminum alloy wires, have high strength and good electric flux capacity, and can share part of current on the transmission conductor 9 to strengthen the electric flux of the transmission conductor. Under general conditions, the compression type strain clamp 8 is stressed normally, the compression type strain clamp 8 connected with the power transmission conducting wire 9 provides main tension to maintain the stability of the power transmission conducting wire, at the moment, the safety backup clamp and the first filling strip 701 provide a small part of tension, and part of stress of the compression type strain clamp 8 is shared, so that the service life of the compression type strain clamp 8 is prolonged; along with the time, the compression type strain clamp 8 is aged and fails, the second filling strip 702 cannot independently provide reliable tension, the safety backup clamp plays a role at the moment, the second filling strip 702 is pulled through the first filling strip 701, the stability of the power transmission wire 9 is continuously maintained, the power transmission process is ensured not to be influenced, the strain clamp 3 on the safety backup clamp can be pulled by the first filling strip 70, the received tension value is increased rapidly, the tension detection alarm 4 sends out an alarm signal to maintenance personnel, the maintenance personnel are informed to replace and maintain the safety backup clamp and the compression type strain clamp 8 for the first time, and the safety and the stability of the power transmission process of the power transmission wire 9 are ensured.
Further, the filler rod 7 in the present embodiment is made of metal strands arranged in a high-density spiral. Specifically, the metal stranded wire in this embodiment is an aluminum-clad steel stranded wire, and in other implementation cases, a steel-cored aluminum stranded wire may also be used as the metal stranded wire, and the aluminum-clad steel stranded wire can provide a larger pulling force for the power transmission conductor 9, increase the number or size of the power transmission conductor 9, and improve the power transmission capacity.
Claims (6)
1. The utility model provides a safe backup fastener which characterized in that: connect strip (5) including U type link (1), heart type ring (2), strain clamp (3), reinforcement, U type link (1) is connected with heart type ring (2), be equipped with strain clamp (3) that twine to reinforcement and connect strip (5) on heart type ring (2), strain clamp (3) are connected with the pulling force detection input (401) of installing pulling force detection alarm (4) on reinforcement and connecting strip (5), the reinforcement is continuing strip (5) and is still connecting and filling strip (7).
2. The safety backup cable clamp of claim 1, wherein: the filling strips (7) comprise first filling strips (701) and second filling strips (702), the first filling strips (701) are separated from the second filling strips (702) from the upper oblique direction and are connected with the reinforcing connecting strips (5), and power transmission conductors (9) are wrapped inside the second filling strips (702).
3. The safety backup clip of claim 2, wherein: the power transmission wire (9) is connected into the compression type strain clamp (8), a jumper (11) is connected out of the compression type strain clamp (8), shunt strips (6) are wound on the jumper (11) and the power transmission wire (9), and the shunt strips (6) are connected to the second filling strips (702) from one side to the other side of the power transmission wire (9).
4. The safety backup clip of claim 3, wherein: the compression type strain clamp (8) is installed on a connecting plate (10), and a U-shaped hanging ring (1) is further installed on the connecting plate (10).
5. The safety backup cable clamp of claim 1, wherein: the filling strip (7) is made of a plurality of metal strands.
6. The safety backup clip of claim 5, wherein: the metal stranded wire is an aluminum-clad steel stranded wire or a steel-cored aluminum stranded wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222120598.0U CN217956653U (en) | 2022-08-12 | 2022-08-12 | Safe backup cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222120598.0U CN217956653U (en) | 2022-08-12 | 2022-08-12 | Safe backup cable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217956653U true CN217956653U (en) | 2022-12-02 |
Family
ID=84226449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222120598.0U Active CN217956653U (en) | 2022-08-12 | 2022-08-12 | Safe backup cable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217956653U (en) |
-
2022
- 2022-08-12 CN CN202222120598.0U patent/CN217956653U/en active Active
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