CN216355899U - Safety backup wire clamp for suspension wire clamp - Google Patents
Safety backup wire clamp for suspension wire clamp Download PDFInfo
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- CN216355899U CN216355899U CN202123131346.XU CN202123131346U CN216355899U CN 216355899 U CN216355899 U CN 216355899U CN 202123131346 U CN202123131346 U CN 202123131346U CN 216355899 U CN216355899 U CN 216355899U
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- clamp
- suspension
- ring
- tower
- cable
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Abstract
The utility model discloses a safety backup wire clamp for a suspension wire clamp, which comprises: the device comprises a tower-connecting hardware fitting, a U-shaped hanging ring, a heart-shaped ring and a strain clamp device; hoisting the suspension clamp to the middle part of the tower head of the tower; the tower connecting hardware fitting is fixed on the tower head, and the two U-shaped hanging rings are symmetrically arranged on the tower connecting hardware fitting about the suspension wire clamp; each U-shaped hanging ring is connected with the heart-shaped ring; a strain clamp device is mounted between the heart ring and the cord on one side of the suspension clamp. In the safety backup wire clamp for the suspension wire clamp, the tower-connecting hardware fitting is fixed on the tower head, and the strain clamp device is connected with the tower head through the tower-connecting hardware fitting, the U-shaped hanging ring and the heart-shaped ring, so that the strain clamp device is more stably held on the wires at two sides of the suspension wire clamp, and when the wires or the suspension wire clamp breaks down, the emergency repair of overhead wires is guaranteed.
Description
Technical Field
The utility model relates to a power fitting for a power transmission line, in particular to a safe backup wire clamp suitable for a suspension wire clamp.
Background
The suspension clamp is mainly used for overhead power lines, the suspension clamp suspends a cable (a lead) and a lightning conductor on a tower through a connecting hardware fitting, and the suspension clamp mainly bears vertical load. The suspension clamp has huge use amount and plays an important role in the operation of overhead lines.
However, at present, due to various natural reasons, such as overload, ice coating, strong wind, fatigue, and irregular installation, the suspension clamp itself or the suspension clamp clamped cable often fails, especially the suspension clamp of the ground wire and the optical cable is prone to failure, such as cable breakage, or suspension clamp breakage, or connecting hardware breakage, and when the suspension clamp fails, the sag of the cable is reduced to cause short circuit, even the broken cable falls off the ground, which causes serious power accidents and threatens the normal operation of the overhead line and the substation.
In order to solve the problems, the prior art provides a safety backup wire clamp for a suspension wire clamp, when the suspension wire clamp breaks down, such as wire breakage, fracture, breakage and the like, the safety backup wire clamp can quickly replace the original suspension wire clamp, quickly hold a cable, prevent wire falling or wire falling, avoid electric power accidents, win precious rush-repair time and guarantee the normal operation of an overhead line.
The safety backup wire clamp for the existing suspension wire clamp is generally a pre-twisted strain clamp, the safety backup wire clamp bypasses the suspension wire clamp from the lower part, and two ends of the safety backup wire clamp are wound on threads at two wire outlet ends of the suspension wire clamp. When faults such as wire breakage or suspension clamp breakage occur, the holding force of the safety backup wire clamp on the threads at two ends is limited, and the threads still have the risk of falling before rush repair.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a safety backup wire clamp for a suspension wire clamp, so that the safety backup wire clamp can be more reliably held on wires at two ends of the suspension wire clamp, and the emergency repair of overhead wires is guaranteed.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a safety backup clip for a suspension clip, comprising: the device comprises a tower-connecting hardware fitting, a U-shaped hanging ring, a heart-shaped ring and a strain clamp device;
the suspension clamp is hoisted to the middle of the tower head of the tower; the tower connecting hardware fitting is fixed to the tower head, and the two U-shaped hanging rings are symmetrically installed on the tower connecting hardware fitting about the suspension wire clamp; each U-shaped hanging ring is connected with the heart-shaped ring; the strain clamp device is mounted between the heart ring and the cord on one side of the suspension clamp.
Further, the tower connecting hardware fitting comprises: an upper clamping plate, a lower clamping plate and an eyebolt; the two suspension eye bolts are symmetrically arranged on two sides of the suspension clamp, and each suspension eye bolt sequentially passes through the lower clamping plate and the upper clamping plate and clamps and fixes the upper clamping plate and the lower clamping plate on the tower head; the U-shaped suspension ring is connected with the suspension ring of the suspension ring bolt.
Furthermore, the material of eyebolt is high strength forged steel, eyebolt adopts hot-galvanize's surface treatment mode.
Further, the tension-resistant wire clamp device is a first tension-resistant wire clamp, the ring part of the first tension-resistant wire clamp is hung on the heart-shaped ring, and the winding part of the first tension-resistant wire clamp is wound on a wire rope on one side of the suspension wire clamp.
Further, the first strain clamp is made of a galvanized steel wire or an aluminum-clad steel wire.
Further, strain clamp device includes: the filling strip, the inner layer strip and the second strain clamp; one section of the inner layer strip is wound on the filling strip, and the other section of the inner layer strip is wound on a cable on one side of the suspension clamp; the ring part of the second strain clamp is hung on the heart-shaped ring, and the winding part of the second strain clamp is wound on the inner layer strip.
Further, the filling strips, the inner layer strips and the second strain clamp are made of galvanized steel wires or aluminum-clad steel wires.
Further, the clue is a ground line.
Further, the thread is an optical cable.
In the safety backup wire clamp for the suspension wire clamp, the tower-connecting hardware fitting is fixed on the tower head, and the strain clamp device is connected with the tower head through the tower-connecting hardware fitting, the U-shaped hanging ring and the heart-shaped ring, so that the strain clamp device is more stably held on the wires at two sides of the suspension wire clamp, and when the wires or the suspension wire clamp breaks down, the emergency repair of overhead wires is guaranteed.
Drawings
Fig. 1 is a schematic view of a safety backup cable clamp installation structure of a boat-shaped suspension cable clamp according to embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of the tower head of FIG. 1;
fig. 3 is a schematic view of a safety backup cable clamp installation structure of the pre-twisted suspension cable clamp provided in embodiment 1 of the present invention;
FIG. 4 is a schematic cross-sectional view of the tower head of FIG. 2;
fig. 5 is a schematic view of a safety backup cable clamp installation structure of a boat-shaped suspension cable clamp according to embodiment 2 of the present invention;
FIG. 6 is a partial left side view of the tower head of FIG. 5;
fig. 7 is a schematic view of a safety backup cable clamp installation structure of the pre-twisted suspension cable clamp provided in embodiment 2 of the present invention;
FIG. 8 is a partial left side view of the tower head of FIG. 7;
FIG. 9 is a schematic structural view of the U-shaped suspension loop 2 of FIGS. 1, 3, 5 and 7;
FIG. 10 is a schematic view of the center ring 3 of FIGS. 1, 3, 5 and 7;
fig. 11 is a schematic structural diagram of the tower connecting hardware fitting 1 in fig. 1 and 3;
fig. 12 is a schematic structural diagram of the tower connecting hardware fitting 1 in fig. 5 and 7;
in the figure:
1-tower connecting hardware fitting; 1-eye bolt; 1-1-1-hoisting ring; 1-2-upper splint; 1-3-lower splint; 2-a U-shaped suspension loop; 2-1 — a first mounting bolt; 2-hanging part; 3-heart shaped ring; 3-1 — a second mounting bolt; 3-2-hanging ring; 4-a first strain clamp; 5-inner layer strip; 6-a second strain clamp; 7-a thread; 8, hanging wire clamp.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is described clearly and completely below with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, and not all examples. All other embodiments obtained by a person skilled in the art based on examples in the present invention shall fall within the scope of protection of the present invention without making creative efforts.
Referring to fig. 1 to 12, the present embodiment provides a safety backup cable clamp for a suspension cable clamp of the present invention, including: the device comprises a tower-connecting hardware fitting 1, a U-shaped hanging ring 2, a heart-shaped ring 3 and a strain clamp device;
the suspension clamp 8 is hoisted to the middle of the tower head of the tower; the tower connecting hardware fitting 1 is fixed on a tower head, and the two U-shaped hanging rings 2 are symmetrically arranged on the tower connecting hardware fitting 1 about the suspension clamp 8; each U-shaped hanging ring 2 is connected with a heart-shaped ring 3; the strain clamp device is installed between the heart ring 3 and the cord 7 on one side of the suspension clamp 8.
In the safety backup wire clamp for the suspension wire clamp of the embodiment, the tower-connected hardware fitting 1 is fixed on the tower head, and the strain clamp device is connected with the tower head through the tower-connected hardware fitting 1, the U-shaped suspension ring 2 and the heart-shaped ring 3, so that the strain clamp device is more stably held on a cable 7 at two sides of the suspension wire clamp 8, and when the cable 7 or the suspension wire clamp 8 breaks down, the emergency repair of an overhead conductor is guaranteed.
The suspension clamp 8 may be a boat-shaped suspension clamp or a pre-twisted suspension clamp, and the like, and the cable 7 may be a ground wire or an optical cable.
In order to more clearly explain the technical solution of the present invention, the present invention will be described in detail with reference to the accompanying drawings and embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1
Referring to fig. 1-2, the cord 7 is a ground wire and the suspension clamp 8 is a boat-type suspension clamp mounted to the ground wire.
Referring to fig. 1 to 4, and 9 to 11, the tower fitting 1 includes: 1-2 parts of an upper clamping plate, 1-3 parts of a lower clamping plate and 1-1 part of an eyebolt; the connecting hardware fitting 1 comprises 1 upper clamping plate 1-2 and two lower clamping plates 1-3 matched with the upper clamping plates 1-2. Two suspension bolts 1-1 are symmetrically arranged at two sides of a suspension clamp 8, and each suspension bolt 1-3 sequentially penetrates through a lower clamping plate 1-3 and an upper clamping plate 1-2 and clamps and fixes the upper clamping plate 1-2 and the lower clamping plate 1-3 on a tower head; the U-shaped hanging ring 2 is connected with a hanging ring 1-1-1 of the hanging ring bolt 1-1 through a first mounting bolt 2-1, and the heart-shaped ring 3 is connected with a hanging part 2-2 of the U-shaped hanging ring 2 through a second mounting bolt 3-1.
The strain clamp device in fig. 1 is a first strain clamp 4, the ring part of the first strain clamp 4 is hung on the hanging ring 3-2 of the heart-shaped ring 3, and the winding part of the first strain clamp 4 is wound on the ground wire at one side of the suspension clamp 8.
Referring to fig. 3-4, cord 7 is a fiber optic cable and suspension clamp 8 is a pre-stranded suspension clamp mounted to the fiber optic cable.
The strain clamp device in fig. 3 includes: a filling strip, an inner layer strip 5 and a second strain clamp 6; one section of the inner layer strip 5 is wound on the filling strip, and the other section of the inner layer strip 5 is wound on the optical cable on one side of the suspension clamp 8; the ring part of the second strain clamp 6 is hung on the heart-shaped ring 3, and the winding part of the second strain clamp 6 is wound on the inner layer strip 5.
In this embodiment, the filler strip, the inner layer strip 5, the first strain clamp 4 and the second strain clamp 6 are made of galvanized steel wires or aluminum-clad steel wires. The lifting bolt 1-1 is made of high-strength forged steel and adopts a hot galvanizing surface treatment mode.
Example 2
Referring to fig. 5-6, the cord 7 is a ground wire and the suspension clamp 8 is a boat-type suspension clamp mounted to the ground wire.
The strain clamp device in fig. 5 is a first strain clamp 4, the ring part of the first strain clamp 4 is hung on the hanging ring 3-2 of the heart-shaped ring 3, and the winding part of the first strain clamp 4 is wound on the ground wire at one side of the suspension clamp 8.
Referring to fig. 7-8, cord 7 is a fiber optic cable and suspension clamp 8 is a pre-stranded suspension clamp mounted to the fiber optic cable.
The strain clamp device in fig. 7 includes: a filling strip, an inner layer strip 5 and a second strain clamp 6; one section of the inner layer strip 5 is wound on the filling strip, and the other section of the inner layer strip 5 is wound on the optical cable on one side of the suspension clamp 8; the ring part of the second strain clamp 6 is hung on the heart-shaped ring 3, and the winding part of the second strain clamp 6 is wound on the inner layer strip 5.
The present embodiment is different from the connecting hardware fitting 1 of embodiment 1 in structure, and specifically, referring to fig. 10, rib plates for facilitating installation are respectively arranged on the upper surface and the lower surface of the upper clamping plate 1-1, so as to facilitate installation of the upper clamping plate 1-1 on a tower head, and the connecting hardware fitting 1 includes a lower clamping plate 1-2 matched with the upper clamping plate 1-1.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not intended to be limiting. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model, and these changes and modifications are to be considered as within the scope of the utility model.
Claims (9)
1. The utility model provides a safe backup fastener for suspension clamp which characterized in that includes: the device comprises a tower-connecting hardware fitting, a U-shaped hanging ring, a heart-shaped ring and a strain clamp device;
the suspension clamp is hoisted to the middle of the tower head of the tower; the tower connecting hardware fitting is fixed to the tower head, and the two U-shaped hanging rings are symmetrically installed on the tower connecting hardware fitting about the suspension wire clamp; each U-shaped hanging ring is connected with the heart-shaped ring; the strain clamp device is mounted between the heart ring and the cord on one side of the suspension clamp.
2. The safety backup clip for the suspension clip according to claim 1, wherein the tower fitting includes: an upper clamping plate, a lower clamping plate and an eyebolt; the two suspension eye bolts are symmetrically arranged on two sides of the suspension clamp, and each suspension eye bolt sequentially passes through the lower clamping plate and the upper clamping plate and clamps and fixes the upper clamping plate and the lower clamping plate on the tower head; the U-shaped suspension ring is connected with the suspension ring of the suspension ring bolt.
3. The safety backup wire clamp for the suspension wire clamp according to claim 2, wherein the material of the eye bolt is high-strength forged steel, and the eye bolt is subjected to surface treatment by hot galvanizing.
4. The safety backup clip for a suspension clamp of claim 1, wherein the tension resistant clip is a first tension resistant clip, a loop portion of the first tension resistant clip is hung on the heart ring, and a winding portion of the first tension resistant clip is wound on a cord on a side of the suspension clamp.
5. The safety backup cable clamp for the suspension cable clamp according to claim 4, wherein the first strain clamp is made of galvanized steel wire or aluminum-clad steel wire.
6. The safety backup clip for a suspension clamp of claim 1, wherein the strain clamp device comprises: the filling strip, the inner layer strip and the second strain clamp; one section of the inner layer strip is wound on the filling strip, and the other section of the inner layer strip is wound on a cable on one side of the suspension clamp; the ring part of the second strain clamp is hung on the heart-shaped ring, and the winding part of the second strain clamp is wound on the inner layer strip.
7. The safety backup cable clamp for the suspension cable clamp according to claim 6, wherein the filler strip, the inner layer strip and the second strain clamp are made of galvanized steel wires or aluminum-clad steel wires.
8. A safety backup clip for a suspension clamp according to any of claims 1 to 7, wherein said cable is ground.
9. The safety backup clip for a suspension clip of any of claims 1-7, wherein the cable is an optical cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123131346.XU CN216355899U (en) | 2021-12-14 | 2021-12-14 | Safety backup wire clamp for suspension wire clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123131346.XU CN216355899U (en) | 2021-12-14 | 2021-12-14 | Safety backup wire clamp for suspension wire clamp |
Publications (1)
Publication Number | Publication Date |
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CN216355899U true CN216355899U (en) | 2022-04-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202123131346.XU Active CN216355899U (en) | 2021-12-14 | 2021-12-14 | Safety backup wire clamp for suspension wire clamp |
Country Status (1)
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CN (1) | CN216355899U (en) |
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2021
- 2021-12-14 CN CN202123131346.XU patent/CN216355899U/en active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230913 Address after: No. 38 Gaotai Road, Binhai Science and Technology Park, Binhai High tech Zone, Binhai New Area, Tianjin, 300458 Patentee after: PARP line equipment Co.,Ltd. Patentee after: BEIJING PLP CONDUCTOR LINE PRODUCTS CO.,LTD. Address before: 102488 Beijing City Industrial Development Zone in Liangxiang Fangshan District Sophora japonica Street No. 1 Patentee before: BEIJING PLP CONDUCTOR LINE PRODUCTS CO.,LTD. |
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TR01 | Transfer of patent right |