CN214900133U - Power cable connection structure - Google Patents
Power cable connection structure Download PDFInfo
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- CN214900133U CN214900133U CN202121473420.3U CN202121473420U CN214900133U CN 214900133 U CN214900133 U CN 214900133U CN 202121473420 U CN202121473420 U CN 202121473420U CN 214900133 U CN214900133 U CN 214900133U
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Abstract
The utility model relates to a power cable connecting structure, a cable groove is arranged on a wiring piece, and two ends of the cable groove are both provided with clamping components; the rotating disc of the clamping assembly is arranged in the wiring piece and can rotate relative to the axis of the cable groove; a plurality of clamping blocks of the clamping assembly are uniformly distributed in the wiring piece and opposite to the axis of the cable groove, one end of each clamping block is provided with a round shaft, and the other end of each clamping block is provided with a square shaft; a radial straight groove corresponding to the square shaft is arranged in the wiring piece, and an arc-shaped groove corresponding to the round shaft is arranged on the rotating disc; the square shaft is arranged in the radial straight groove in a penetrating way, and the round shaft is arranged in the arc groove in a penetrating way; the wiring piece is also provided with a locking assembly, and the locking assembly can control the relative rotation of the rotating disc and the wiring piece. This application is through the relative rotation of rolling disc and wiring piece, makes to press from both sides tight piece unified to cable duct axle center removal and press from both sides tightly the cable of installation, can effectively guarantee the axiality of cable interface, reduces the loss to the tight department of cable clamp.
Description
Technical Field
The utility model relates to a power equipment technique, especially a power cable connection structure.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. The use of power cables has been in the past for over a hundred years. In the power line, the proportion of the cable is gradually increasing; power cables are cable products used in the trunk lines of electric power systems to transmit and distribute high power electric energy, including various voltage classes from 1 to 500KV and above, and various insulated power cables.
In the installation engineering of cable, often can pull the cable, when setting up aloft, because reasons such as gravity, wind-force, cable joint both sides have the pulling force, can make joint department not hard up, contact failure. The prior art utilizes the lead screw to fix two cable ports to a structure, though can avoid to a certain extent that joint department directly receives the pulling force, but its axiality that can not be fine assurance cable port takes place the skew easily and causes the loss to cable clamp department under receiving wind-force, gravity influence, forms the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable connection structure for solve the current problem that can't guarantee the cable interface axiality.
In order to solve the problems, the utility model provides a power cable connecting structure, wherein a cable groove is arranged on a wiring piece of the power cable connecting structure, and clamping components are arranged at two ends of the cable groove; the rotating disc of the clamping assembly is arranged in the wiring piece and can rotate relative to the axis of the cable groove; a plurality of clamping blocks of the clamping assembly are uniformly distributed in the wiring piece and opposite to the axis of the cable groove, one end of each clamping block is provided with a round shaft, and the other end of each clamping block is provided with a square shaft; a radial straight groove corresponding to the square shaft is arranged in the wiring piece, an arc-shaped groove corresponding to the round shaft is arranged on the rotating disc, one end of the arc-shaped groove is close to the axis of the rotating disc, and the other end of the arc-shaped groove is far away from the axis of the rotating disc; the square shaft penetrates through the radial straight groove, and the round shaft penetrates through the arc-shaped groove; and the wiring piece is also provided with a locking assembly which can limit the relative rotation of the rotating disc and the wiring piece.
The utility model provides a power cable connection structure still has following technical characteristic:
further, the clamping blocks are provided in a sector shape.
Furthermore, a matching hole is formed in the wiring piece, a screw rod of the locking assembly penetrates through the matching hole and can move along the axial direction of the matching hole, and an adjusting block is arranged on the circumferential side of the rotating disc; when the screw rod moves along the axial direction of the matching hole, the adjusting block is pushed to drive the rotating disc to rotate.
Further, the screw rod is matched with the matching hole through threads.
Further, a pre-tightening coil spring is arranged between the rotating disc and the wiring piece.
The utility model discloses following beneficial effect has: the cables at the two ends of the joint are fixed, so that the stress position of the cable under the dragging force is shifted, and the condition that the cable joint is loosened and even falls off is effectively avoided; the clamping blocks are controlled to move towards the axis of the cable groove uniformly to clamp the installed cable through the relative rotation of the rotating disc and the wiring piece, then the rotating disc is locked through the locking assembly, and the plurality of clamping blocks simultaneously clamp the cable, so that the coaxiality of cable interfaces can be effectively guaranteed, the loss of cable clamping positions is reduced, the working reliability of the cable is improved, and potential safety hazards are reduced; moreover, the cable connector can be suitable for cables with various diameters, and is high in universality.
Drawings
Fig. 1 is a perspective cross-sectional view of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a perspective sectional view in an embodiment of the present invention.
1. A wiring member; 11. a cable trough; 12. a radial straight groove; 13. a yielding groove; 14. a mating hole; 2. a screw rod; 3. a clamping block; 31. a square shaft; 32. a circular shaft; 4. rotating the disc; 41. an arc-shaped slot; 42. an adjusting block; 43. a spring coiling groove; 5. pre-tightening the coil spring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the embodiment of the power cable connection structure shown in fig. 1 to 3, a cable groove 11 is formed on the wiring member 1 of the power cable connection structure, and clamping components are respectively arranged at two ends of the cable groove 11; the rotating disc 4 of the clamping assembly is arranged in the wire connecting piece 1 and can rotate relative to the axis of the cable groove 11; a plurality of clamping blocks 3 of the clamping assembly are uniformly distributed in the wiring piece 1 and opposite to the axis of the cable groove 11, one end of each clamping block 3 is provided with a round shaft 32, and the other end of each clamping block is provided with a square shaft 31; a radial straight groove 12 corresponding to the square shaft 31 is arranged in the wiring piece 1, an arc-shaped groove 41 corresponding to the round shaft 32 is arranged on the rotating disc 4, one end of the arc-shaped groove 41 is close to the axis of the rotating disc 4, and the other end of the arc-shaped groove 41 is far away from the axis of the rotating disc 4; the square shaft 31 is arranged in the radial straight groove 12 in a penetrating way, and the round shaft 32 is arranged in the arc-shaped groove 41 in a penetrating way; the wiring piece 1 is also provided with a locking component which can limit the relative rotation of the rotating disc 4 and the wiring piece 1; when the rotating disc 4 rotates, the clamping block 3 provided with the round shaft 32 is driven by the arc-shaped groove 41 to move along the radial straight groove 12 matched with the square shaft 31 to the axial direction of the cable groove 11.
In an embodiment of the present application, preferably, the clamping blocks 3 are provided in a fan shape, which is beneficial to that when the clamping blocks 3 are closest, the outer side approaches to the cylindrical surface, so that the moving space is increased, the adaptability of the present application to cables with more sizes is improved, and the universality is improved.
In one embodiment of the present application, preferably, the wire connecting piece 1 is provided with a fitting hole 14, the screw rod 2 of the locking assembly is inserted into the fitting hole 14 and can move along the axial direction of the fitting hole 14, and the circumferential side of the rotating disc 4 is provided with an adjusting block 42; when the screw rod 2 moves along the axial direction of the matching hole 14, the adjusting block 42 is pushed to drive the rotating disc 4 to rotate, so that the clamping assembly can be conveniently and quickly adjusted.
In one embodiment of the present application, preferably, the screw rod 2 is in threaded fit with the fitting hole 14, so that the fitting stability is enhanced, and the reliability is improved.
In one embodiment of the present application, a pre-tightening coil spring 5 is preferably further disposed between the rotating disc 4 and the wiring member 1, so that when the device is opened or locked, stability between the parts is effectively ensured, and the parts are ensured not to shake.
The working principle is as follows: cables at two ends of a joint are respectively placed into the cable grooves 11, the screw rod 2 is screwed to move towards the wiring piece 1, the screw rod 2 moves to push the adjusting block 42 to move, so that the rotating disc 4 is driven to rotate, and when the rotating disc 4 rotates, the arc-shaped groove 41 drives the clamping block 3 provided with the round shaft 32 to move towards the axis direction of the cable grooves 11 along the radial straight groove 12 matched with the square shaft 31, so that cables are clamped. The cables at the two ends of the joint are fixed, so that the stress position of the cable under the dragging force is shifted, and the condition that the cable joint is loosened and even falls off is effectively avoided; through the relative rotation of the rotating disc 4 and the wiring piece 1, the clamping blocks 3 are controlled to move towards the axis of the cable groove 11 in a unified mode to clamp the installed cable, then the rotating disc 4 is locked through the locking assembly, the plurality of clamping blocks 3 are clamped simultaneously, the coaxiality of cable interfaces can be effectively guaranteed, the loss of cable clamping positions is reduced, the working reliability of the cable is improved, and potential safety hazards are reduced; moreover, the cable connector can be suitable for cables with various diameters, and is high in universality.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A power cable connecting structure is characterized in that a cable groove is formed in a wiring piece, and clamping assemblies are arranged at two ends of the cable groove; the rotating disc of the clamping assembly is arranged in the wiring piece and can rotate relative to the axis of the cable groove; a plurality of clamping blocks of the clamping assembly are uniformly distributed in the wiring piece and opposite to the axis of the cable groove, one end of each clamping block is provided with a round shaft, and the other end of each clamping block is provided with a square shaft; a radial straight groove corresponding to the square shaft is arranged in the wiring piece, an arc-shaped groove corresponding to the round shaft is arranged on the rotating disc, one end of the arc-shaped groove is close to the axis of the rotating disc, and the other end of the arc-shaped groove is far away from the axis of the rotating disc; the square shaft penetrates through the radial straight groove, and the round shaft penetrates through the arc-shaped groove; and the wiring piece is also provided with a locking assembly which can limit the relative rotation of the rotating disc and the wiring piece.
2. The electric power cable connection structure according to claim 1, wherein: the clamping blocks are arranged in a fan shape.
3. The electric power cable connection structure according to claim 1, wherein: the wiring piece is provided with a matching hole, a screw rod of the locking assembly penetrates through the matching hole and can move along the axial direction of the matching hole, and an adjusting block is arranged on the circumferential side of the rotating disc; when the screw rod moves along the axial direction of the matching hole, the adjusting block is pushed to drive the rotating disc to rotate.
4. The electric power cable connection structure according to claim 3, wherein: the screw rod is matched with the matching hole through threads.
5. The electric power cable connection structure according to claim 1, wherein: and a pre-tightening coil spring is arranged between the rotating disc and the wiring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473420.3U CN214900133U (en) | 2021-06-30 | 2021-06-30 | Power cable connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473420.3U CN214900133U (en) | 2021-06-30 | 2021-06-30 | Power cable connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214900133U true CN214900133U (en) | 2021-11-26 |
Family
ID=78929120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121473420.3U Active CN214900133U (en) | 2021-06-30 | 2021-06-30 | Power cable connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214900133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116247564A (en) * | 2023-05-10 | 2023-06-09 | 国电投山西能源服务有限公司 | Tensioning device for power cable installation and installation method thereof |
-
2021
- 2021-06-30 CN CN202121473420.3U patent/CN214900133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116247564A (en) * | 2023-05-10 | 2023-06-09 | 国电投山西能源服务有限公司 | Tensioning device for power cable installation and installation method thereof |
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