CN214958588U - Pre-twisted wire clamp - Google Patents
Pre-twisted wire clamp Download PDFInfo
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- CN214958588U CN214958588U CN202023271281.4U CN202023271281U CN214958588U CN 214958588 U CN214958588 U CN 214958588U CN 202023271281 U CN202023271281 U CN 202023271281U CN 214958588 U CN214958588 U CN 214958588U
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- shaped pressing
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Abstract
The utility model discloses a pre-twisted wire clamp, which comprises a core-shaped ring, wherein the core-shaped ring comprises an upper plate and a lower plate, the upper plate and the lower plate are connected through a hollow column, and the hollow column is positioned at one end of the core-shaped ring; the upper plate and the lower plate are provided with fixing bolt holes, the lower plate is fixedly connected with a sliding groove block, the sliding groove block is connected with a sliding plate in a sliding mode, the sliding plate is connected with a first spring, one end of the first spring is connected with a first arc-shaped pressing plate, the side wall of the hollow column is connected with a second spring, and the second spring is connected with a second arc-shaped pressing plate in a linked mode. Adopt spring compensation mechanism to adjust first arc clamp plate and second arc clamp plate for first arc clamp plate and second arc clamp plate laminate with the preformed armor rod all the time, can tightly hoop the preformed armor rod on heart type ring, have avoided the preformed armor rod to produce because external factors and tighten up or relax the phenomenon that brings. The times of manual replacement can be greatly reduced, and the service life of the pre-twisted wire clamp is prolonged.
Description
Technical Field
The utility model relates to an electric power construction engineering technical field especially relates to a preformed helical fastener.
Background
The strain clamp is used for fixing a lead to bear the tension of the lead, and a metal fitting for connecting the lead to a strain insulator-string group or a pole tower is adopted, the strain clamp can be divided into two types according to different structures and installation conditions, one type is that the strain clamp bears all tensile force of the lead or a lightning conductor but does not serve as an electric conductor, the type of the strain clamp can be disassembled after the lead is installed, and the type of the strain clamp comprises a bolt type strain clamp, a wedge-shaped strain clamp and the like.
Most of the existing pre-twisted strain clamps are single pre-twisted wires, the single pre-twisted wire strain clamp cannot meet the use requirement of a thick cable or an environment with large external wind power, meanwhile, the connection part of the pre-twisted wires and the core-shaped ring in the existing strain clamp is not provided with a fixed structure, and the cable drives the connection part of the pre-twisted wires and the core-shaped ring to generate relative friction under the action of external wind power, so that the pre-twisted wire breakage phenomenon is easily caused.
The following problems also exist in the prior art: because the pre-twisted wire can receive the influence of external factor and can produce the phenomenon of tightening up or relaxing in the use, as long as time, pre-twisted and heart type ring junction can produce wearing and tearing, can produce the pre-twisted fracture when serious, perhaps when relaxing, lead to can't take up the cable for the cable hangs down to come down and contacts with other cables, causes the short circuit hidden danger, and prior art adopts the mode of aperiodic change to this kind of problem, and is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to among the prior art, a preformed helical fastener is provided, adopt spring compensation mechanism to adjust first arc clamp plate and second arc clamp plate for first arc clamp plate and second arc clamp plate laminate with the preformed helical thread all the time, can tightly hoop the preformed helical thread on heart type ring, have avoided the preformed helical thread to produce because external factors and have tightened up or relax the phenomenon of bringing. The times of manual replacement can be greatly reduced, and the service life of the pre-twisted wire clamp is prolonged.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: a pre-twisted wire clamp comprises a core-shaped ring, wherein the core-shaped ring comprises an upper plate and a lower plate, the upper plate and the lower plate are connected through a hollow column, and the hollow column is positioned at one end of the core-shaped ring; the fixing bolt holes are formed in the upper plate and the lower plate, the positions of the fixing bolt holes correspond to and are located at the other end of the heart-shaped ring, one end, close to the fixing bolt holes, of the heart-shaped ring is connected with a fixed connecting piece, a sliding groove block is fixedly connected to the lower plate, a sliding plate is connected to the sliding groove block in a sliding mode, a first spring is connected to the sliding plate, one end of the first spring is connected with a first arc-shaped pressing plate, a second spring is connected to the side wall of the hollow column, the second spring is connected with a second arc-shaped pressing plate, and a space for fixing the preformed armor rods is formed between the first arc-shaped pressing plate and the second arc-shaped pressing plate.
Further preferably, the fixed connecting piece comprises a circular ring, a connecting ring and a U-shaped ring; one end, close to the fixing bolt hole, of the heart-shaped ring is connected with a circular ring, the circular ring is connected with a connecting ring, and the connecting ring is connected with a U-shaped ring.
Further preferably, the shapes of the first arc-shaped pressing plate and the second arc-shaped pressing plate are matched with the shape of the outer side wall of the hollow column.
Further preferably, the sliding groove block is provided with a plurality of sliding grooves, the side wall of the sliding plate close to the sliding groove block is provided with a plurality of threaded fixing holes, and the sliding plate and the sliding groove block can be detachably connected through screws.
Further preferably, the distance between the upper plate and the lower plate is larger than the sum of the height of the preformed armor rods and the height of the first arc-shaped pressing plate or the second arc-shaped pressing plate.
Further preferably, a connecting plate can be arranged between the circular ring and the connecting ring, and an insulator string can be arranged at the lower end of the connecting plate.
The beneficial effects of the utility model reside in that: 1. the space between the first arc-shaped pressing plate and the second arc-shaped pressing plate forms a space for the preformed armor rods to enter through the arrangement of the first arc-shaped pressing plate and the second arc-shaped pressing plate, the first arc-shaped pressing plate and the second arc-shaped pressing plate can be compensated through the arrangement of the first spring and the second spring, the first arc-shaped pressing plate and the second arc-shaped pressing plate are always attached to the preformed armor rods, and the phenomenon caused by the fact that the preformed armor rods are tightened or loosened due to external factors is avoided; the times of manual replacement can be greatly reduced, and the service life of the pre-twisted wire clamp is prolonged.
2. The distance between the first arc-shaped pressing plate and the second arc-shaped pressing plate at the initial position can be adjusted through the design of the sliding plate, so that the pre-twisted wire drawing device can be suitable for pre-twisted wires with different diameters, and the application range of the product is expanded.
3. The sliding groove on the sliding groove block is designed to facilitate the fixed installation of the screw, so that the screw is adopted to fix the position of the sliding plate after the position of the sliding plate is adjusted in an initial state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a pre-twisted wire clamp structure of the present invention.
Fig. 2 is a schematic view of the center ring of the present invention.
Fig. 3 is a schematic diagram of a top view of the middle and lower plates of the present invention.
In the figure: the device comprises a core-type ring 1, an upper plate 2, a lower plate 3, a hollow column 4, bolt holes 5, a sliding groove block 6, a sliding plate 7, a first spring 8, a first arc-shaped pressing plate 9, a second spring 10, a second arc-shaped pressing plate 11, a ring 12, a connecting ring 13, a U-type ring 14, a sliding groove 15 and a threaded fixing hole 16.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.
The embodiment of the utility model provides a preformed helical fastener, as shown in fig. 1-3, including heart type ring 1, heart type ring 1 includes upper plate 2 and lower plate 3, be formed by connecting through hollow post 4 between upper plate 2 and the lower plate 3, and hollow post 4 is located one end of heart type ring 1; fixing bolt holes 5 are formed in the upper plate 2 and the lower plate 3, the positions of the fixing bolt holes 5 are opposite to and located at the other end of the core-shaped ring 1, one end, close to the fixing bolt holes 5, of the core-shaped ring 1 is connected with a fixed connecting piece, a sliding groove block 6 is fixedly connected to the lower plate 3, a sliding plate 7 is connected to the sliding groove block 6 in a sliding mode, a first spring 8 is connected to the sliding plate 7, one end of the first spring 8 is connected with a first arc-shaped pressing plate 9, a second spring 10 is connected to the side wall of the hollow column 4, the second spring 10 is connected with a second arc-shaped pressing plate 11, and a space for fixing pre-twisted wires is formed between the first arc-shaped pressing plate 9 and the second arc-shaped pressing plate 11.
The fixed connecting piece comprises a circular ring 12, a connecting ring 13 and a U-shaped ring 14; one end of the heart-shaped ring 1 close to the fixing bolt hole 5 is connected with a circular ring 12, the circular ring 12 is connected with a connecting ring 13, and the connecting ring 13 is connected with a U-shaped ring 14.
The shapes of the first arc-shaped pressing plate 9 and the second arc-shaped pressing plate 11 are matched with the shape of the outer side wall of the hollow column 4.
The sliding groove block 6 is provided with a plurality of sliding grooves 15, the side wall of the sliding plate 7 close to the sliding groove block 6 is provided with a plurality of threaded fixing holes 16, and the sliding plate 7 and the sliding groove block 6 can be detachably connected through screws.
The distance between the upper plate 2 and the lower plate 3 is larger than the sum of the height of the preformed armor rods and the height of the first arc-shaped pressing plate 9 or the second arc-shaped pressing plate 11. The preformed armor rods can be conveniently placed into the heart-shaped ring 1.
A connecting plate can be arranged between the circular ring 12 and the connecting ring 13, and an insulator string can be arranged at the lower end of the connecting plate. Wherein the yoke plates, the insulator strings are prior art and not shown in this figure.
The utility model discloses a concrete operating procedure as follows: firstly, the preformed armor rods penetrate into the core-shaped ring 1 from the position, close to the fixing bolt hole 5, of the core-shaped ring 1, and the first arc-shaped pressing plate 9, the height of the second arc-shaped pressing plate 11 and the height of the preformed armor rods can be simultaneously accommodated at the interval between the upper plate 2 and the lower plate 3, so that the first arc-shaped pressing plate 9 and the second arc-shaped pressing plate 11 cannot influence the preformed armor rods to enter the core-shaped ring 1. Then, one side of the preformed armor rods is attached to the second arc-shaped pressing plate 11, then the sliding plate 7 is slid to enable the first arc-shaped pressing plate 9 to be attached to the other side of the preformed armor rods, and at the moment, the first springs 8 and the second springs 10 are in a natural state. And then fixing the position of the sliding plate 7, and fixedly connecting the sliding plate 7 with the sliding groove block 6 by adopting a fixing screw to penetrate through the sliding groove 15.
Then, with the use of the cable clamp, when the preformed wire is tightened, the preformed wire moves towards the direction of compressing the second arc-shaped pressing plate 11, at which time the second spring 10 is compressed and the corresponding first spring 8 is extended, so that the second arc-shaped pressing plate 11 and the first arc-shaped pressing plate 9 are still attached to the preformed wire. Similarly, when the preformed armor rods are loosened, the preformed armor rods move towards the direction of compressing the first arc-shaped pressing plate 9, at the moment, the first springs 8 are compressed, and the corresponding second springs 10 extend, so that the second arc-shaped pressing plate 11 and the first arc-shaped pressing plate 9 are attached to the preformed armor rods.
So for first arc clamp plate 9 and second arc clamp plate 11 laminate with the preformed armor rods all the time, can tightly hoop the preformed armor rods on heart type ring 1, avoided the preformed armor rods to produce because of external factors and tighten up or relax the phenomenon that brings. The times of manual replacement can be greatly reduced, and the service life of the pre-twisted wire clamp is prolonged.
The mounting modes of other fixed connecting pieces are the prior art.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A pre-twisted wire clamp comprises a core-shaped ring (1), wherein the core-shaped ring (1) comprises an upper plate (2) and a lower plate (3), the upper plate (2) and the lower plate (3) are connected through a hollow column (4), and the hollow column (4) is positioned at one end of the core-shaped ring (1); the upper plate (2) and the lower plate (3) are provided with fixing bolt holes (5), the positions of the fixing bolt holes (5) are opposite to and positioned at the other end of the heart-shaped ring (1), one end of the heart-shaped ring (1) close to the fixing bolt hole (5) is connected with a fixing connecting piece, it is characterized in that a sliding groove block (6) is fixedly connected on the lower plate (3), a sliding plate (7) is connected on the sliding groove block (6) in a sliding way, a first spring (8) is connected on the sliding plate (7), one end of the first spring (8) is connected with a first arc-shaped pressing plate (9), the side wall of the hollow column (4) is connected with a second spring (10), the second spring (10) is connected with a second arc-shaped pressing plate (11), a space for fixing the preformed armor rods is formed between the first arc-shaped pressing plate (9) and the second arc-shaped pressing plate (11);
the sliding groove block (6) is provided with a plurality of sliding grooves (15), the side wall of the sliding plate (7) close to the sliding groove block (6) is provided with a plurality of threaded fixing holes (16), and the sliding plate (7) and the sliding groove block (6) can be detachably connected through screws; the sliding plate (7) can adjust the distance between the first arc-shaped pressing plate (9) and the second arc-shaped pressing plate (11) at the initial position so as to adapt to the installation of preformed armor rods with different diameters.
2. The pre-twisted wire clamp of claim 1, wherein: the fixed connecting piece comprises a circular ring (12), a connecting ring (13) and a U-shaped ring (14); the one end that heart type ring (1) is close to fixing bolt hole (5) is connected with ring (12), ring (12) are connected with go-between (13), go-between (13) are connected with U type ring (14).
3. The pre-twisted wire clamp of claim 1, wherein: the shapes of the first arc-shaped pressing plate (9) and the second arc-shaped pressing plate (11) are adapted to the shape of the outer side wall of the hollow column (4).
4. The pre-twisted wire clamp of claim 1, wherein: the distance between the upper plate (2) and the lower plate (3) is larger than the sum of the height of the preformed armor rods and the height of the first arc-shaped pressing plate (9) or the second arc-shaped pressing plate (11).
5. The pre-twisted wire clamp of claim 2, wherein: a connecting plate can be arranged between the circular ring (12) and the connecting ring (13), and an insulator string can be arranged at the lower end of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023271281.4U CN214958588U (en) | 2020-12-30 | 2020-12-30 | Pre-twisted wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023271281.4U CN214958588U (en) | 2020-12-30 | 2020-12-30 | Pre-twisted wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214958588U true CN214958588U (en) | 2021-11-30 |
Family
ID=79116194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023271281.4U Active CN214958588U (en) | 2020-12-30 | 2020-12-30 | Pre-twisted wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214958588U (en) |
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2020
- 2020-12-30 CN CN202023271281.4U patent/CN214958588U/en active Active
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