Fastening device of current transformer
By designing a fastening device for the current transformer and utilizing cable clamps and clamping structures, the problem of cable slippage between the cable and the current transformer was solved, achieving stable clamping and fixing of cables of different diameters and improving the installation stability of the equipment.
Patent Information
- Application Number
- CN202520155642.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-23
AI Technical Summary
When installing current transformers, the cable and the current transformer are prone to slippage, leading to unstable operation, especially when the cable diameter is mismatched, which affects the normal operation of the equipment.
A fastening device for a current transformer was designed, comprising a cable clamp, a rotating plate, a clamping structure, and an auxiliary structure. It achieves stable clamping of the cable through snap-fit and threaded engagement, and is suitable for cables of different diameters.
It achieves stable cable fixation, expands the applicability of the device, ensures the stability of the cable and cable clamp, and simplifies the cable installation process.
Smart Images

Figure CN223857990U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fastening device technical field, concretely is a kind of fastening device of current transformer. BACKGROUND
[0002] With the popularization of domestic power station panoramic monitoring function, current transformer is used more and more in power equipment, to reduce the operation and maintenance personnel maintenance replacement current transformer operation difficulty, open current transformer is favored, and the mainstream of open current transformer market is upper and lower separation type assembly structure, current transformer upper shell and lower shell are fixed by hand screw type screw rod and hand screw nut, but when cable is passed through current transformer, when cable is thicker or thinner, cable and current transformer are not adapted, cable and current transformer are relatively slid, to affect the use of current transformer.
[0003] Therefore, the utility model provides a kind of fastening device of current transformer. UTILITY MODEL CONTENT
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a kind of fastening device of current transformer to solve the problems in the background art, the utility model can be fixed to cable clamp, and the clamping structure can be adjusted, so that the device can be applied to different diameter cables, and the application range of the device is expanded;Cable can be fastened to ensure the stability of cable and cable fixing clamp.
[0005] To achieve the above object, the utility model is implemented by the following technical scheme: a kind of fastening device of current transformer, including cable fixing clamp in current transformer, cable is equipped in the cable fixing clamp, rotating fit has rotary plate on the cable fixing clamp, and the rotary plate is equipped with clamping structure on, and auxiliary structure is equipped in the cable fixing clamp, two fixed rings are equipped on the cable, and the fixed ring corresponds with clamping structure and auxiliary structure.
[0006] Further, the rotary plate is rotatably connected with the rotary shaft, and the cable is located between the rotary plate and the cable fixing clamp.
[0007] Further, the clamping structure includes a clamping block, the clamping block is fixedly connected with the cable fixing clamp, and a clamping groove is formed in the rotary plate and corresponds to the clamping block.
[0008] Further, the fixed ring is made of a strap, and the two fixed rings are located on both sides of the cable fixing clamp.
[0009] Further, the clamping structure includes a first gasket, and a first clamping ring is fixedly connected with the first gasket on both sides, and the first clamping ring corresponds to the fixed ring.
[0010] Further, a plurality of slide rods are fixed on one side of the first backing plate and slide connected with the rotating plate.
[0011] Further, a threaded rod is rotatably connected with the first backing plate and threadedly connected with the rotating plate.
[0012] Further, the auxiliary structure comprises a second backing plate, and second clamping rings are fixed on two sides of the second backing plate, the second clamping rings correspond to the fixing ring, and the cable is located between the first backing plate and the second backing plate.
[0013] The current transformer fastening device has the advantages that: the clamping structure is installed on the rotating plate, the auxiliary structure is installed in the cable fixing clamp, the cable can be clamped and fixed, the clamping structure can be adjusted, the device can be suitable for cables with different diameters, the application range of the device is expanded, the fixing ring is installed on the cable, the fixing ring can be fixed through the clamping structure and the auxiliary structure, the cable is fastened, and the stability of the cable and the cable fixing clamp is ensured.
[0014] The current transformer fastening device has the advantages that: the clamping structure is installed on the rotating plate, the auxiliary structure is installed in the cable fixing clamp, the cable can be clamped and fixed, the clamping structure can be adjusted, the device can be suitable for cables with different diameters, the application range of the device is expanded, the fixing ring is installed on the cable, the fixing ring can be fixed through the clamping structure and the auxiliary structure, the cable is fastened, and the stability of the cable and the cable fixing clamp is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a whole assembly perspective view of the current transformer fastening device.
[0016] Fig. 2 It is an assembly perspective view of the cable fixing clamp in the current transformer fastening device.
[0017] Fig. 3 It is an assembly cross-sectional view of the cable fixing clamp in the current transformer fastening device.
[0018] Fig. 4 It is an assembly view of the cable fixing clamp and the rotating plate in the current transformer fastening device.
[0019] In the drawing: 1, cable fixing clamp; 3, rotating plate; 4, rotating shaft; 5, clamping block; 6, clamping groove; 7, fixing ring; 8, first backing plate; 9, second backing plate; 10, threaded rod; 11, slide rod; 12, first clamping ring; 13, second clamping ring; 14, cable. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, purposes and effects of the current transformer fastening device easy to understand, the current transformer fastening device is further described below in combination with the specific implementation manner.
[0021] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a fastening device of current transformer, including the cable fixed clamp 1 in current transformer, the cable fixed clamp 1 is equipped with the cable 14, the cable fixed clamp 1 is rotationally fitted with the rotating plate 3, and the rotating plate 3 is equipped with the clamping structure between the cable fixed clamp 1, and the rotating plate 3 is equipped with the clamping structure, and the cable fixed clamp 1 is equipped with the auxiliary structure, and the cable 14 is equipped with two fixed rings 7, and the fixed ring 7 corresponds with the clamping structure and the auxiliary structure.
[0022] In this embodiment, the rotating shaft 4 is fixed on the cable fixed clamp 1, the rotating shaft 4 is rotationally connected with the rotating plate 3, the cable 14 is located between the rotating plate 3 and the cable fixed clamp 1, the clamping structure includes the clamping block 5, the clamping block 5 is fixedly connected with the cable fixed clamp 1, the rotating plate 3 is provided with the clamping groove 6, the clamping groove 6 corresponds with the clamping block 5, the fixed ring 7 is made of the cable tie, the two fixed rings 7 are located at the both sides of the cable fixed clamp 1 respectively, the clamping structure includes the first backing plate 8, the first backing plate 8 is fixedly provided with the first clamping ring 12 at the both sides, the first clamping ring 12 corresponds with the fixed ring 7, the first backing plate 8 is fixedly provided with a plurality of slide rods 11 on one side, the slide rod 11 is slidingly connected with the rotating plate 3, the first backing plate 8 is rotationally fitted with the threaded rod 10, the threaded rod 10 is threadedly fitted with the rotating plate 3, and the auxiliary structure includes the second backing plate 9, the second backing plate 9 is fixedly provided with the second clamping ring 13 at the both sides, the second clamping ring 13 corresponds with the fixed ring 7, and the cable 14 is located between the first backing plate 8 and the second backing plate 9.
[0023] Specifically, the cable 14 is fixed on the cable 14, and then the excess part is cut off, that is, the fixed ring 7 is formed, the cable 14 is passed through the cable fixed clamp 1, then the rotating plate 3 is rotated, so that the rotating plate 3 rotates around the rotating shaft 4, until the clamping block 5 enters the clamping groove 6, so that the clamping block 5 and the clamping groove 6 are clamped, that is, the rotating plate 3 is fixed, and at the same time, the rotating plate 3 drives the first backing plate 8 to clamp and fix the cable 14.
[0024] Specifically, when clamping the cable 14, the first clamping ring 12 and the second clamping ring 13 can clamp and fix the fixed ring 7, so as to assist in fixing the cable 14.
[0025] Specifically, when it is necessary to adjust the first backing plate 8 according to the cable 14, the threaded rod 10 is rotated, so that the threaded rod 10 drives the first backing plate 8 to move, so as to adjust the distance between the first backing plate 8 and the second backing plate 9, that is, the device can control the fixing of different cables 14.
[0026] In addition, it should be understood that, although the present specification is described according to the embodiments, not every embodiment only contains one independent technical scheme, the description mode of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical scheme in each embodiment can be combined appropriately to form other embodiments that can be understood by the person skilled in the art.
Claims
1. A fastening device of a current transformer comprising a cable fixing clamp (1) inside the current transformer, characterized in that, The cable fixing clamp (1) is internally provided with a cable (14), the cable fixing clamp (1) is rotatably provided with a rotating plate (3), the rotating plate (3) and the cable fixing clamp (1) are provided with a clamping structure, the rotating plate (3) is provided with a clamping structure, the cable fixing clamp (1) is internally provided with an auxiliary structure, the cable (14) is provided with two fixing rings (7), the fixing ring (7) corresponds to the clamping structure and the auxiliary structure.
2. A current transformer fastening device according to claim 1, characterised in that: The cable fixing clamp (1) is provided with a rotating shaft (4), the rotating shaft (4) is rotatably connected with the rotating plate (3), and the cable (14) is located between the rotating plate (3) and the cable fixing clamp (1).
3. A current transformer fastening device according to claim 1, characterized in that: The clamping structure comprises a clamping block (5), the clamping block (5) is fixedly connected with the cable fixing clamp (1), and the rotating plate (3) is provided with a clamping groove (6) corresponding to the clamping block (5).
4. A current transformer securing device according to claim 1, characterized in that: The fixing ring (7) is made of a strap, and the two fixing rings (7) are located on the two sides of the cable fixing clamp (1) respectively.
5. A current transformer fastening device according to claim 1, characterized in that: The clamping structure comprises a first pad plate (8), and the first pad plate (8) is fixedly provided with a first clamping ring (12) on both sides, and the first clamping ring (12) corresponds to the fixing ring (7).
6. A current transformer securing arrangement according to claim 5, characterised in that: The first pad plate (8) is fixedly provided with a plurality of sliding rods (11) on one side, and the sliding rods (11) are slidably connected with the rotating plate (3).
7. A current transformer fastening device according to claim 5, characterised in that: The first pad plate (8) is rotatably provided with a threaded rod (10), and the threaded rod (10) is threadedly connected with the rotating plate (3).
8. A current transformer fastening device according to claim 5, characterized in that: The auxiliary structure comprises a second pad plate (9), and the second pad plate (9) is fixedly provided with a second clamping ring (13) on both sides, and the second clamping ring (13) corresponds to the fixing ring (7), and the cable (14) is located between the first pad plate (8) and the second pad plate (9).