High-voltage cable stress cone contractility testing device
The high-pressure cable stress cone contraction force testing device addresses the lack of reliable testing methods by embedding sensors within the stress cone and cable interface, allowing for real-time force and electric field stress analysis, thereby improving connection reliability and stability.
Patent Information
- Application Number
- CN202422114338.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-29
AI Technical Summary
Existing stress cones cannot be effectively tested before use.
A high-voltage cable stress cone contraction test device is designed, including a stress cone, a sensor, a support structure and a carrier. The sensor is attached to the inner wall of the stress cone and the outer wall of the cable, and the support structure and a carrier are used for testing.
Real-time simulation test of the stress cone is realized, the contraction force can be observed and the electric field stress concentration is detected.
Smart Images

Figure CN223107099U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-voltage electrical equipment, in particular to a test device for the shrinkage force of a high-voltage cable stress cone. Background Art
[0002] A stress cone is an accessory for cable connection, usually made of metal material and shaped like a cone. Its function is to apply pressure to the cable during the cable connection process to generate a firm connection between the cable and the connector, so as to ensure the reliability and stability of the cable signal transmission.
[0003] The existing stress cone cannot be well tested for its shrinkage force before use. Summary of the Utility Model
[0004] According to the above technical problems to be solved, a test device for the shrinkage force of a high-voltage cable stress cone is provided.
[0005] To achieve the above object, in a preferred embodiment, the utility model is configured to include a stress cone, the stress cone is sleeved on the cable, the inner wall of the stress cone is in contact with the sensor pre-embedded on the outer wall of the cable, and a support structure is arranged at the bottom of the stress cone.
[0006] In a preferred embodiment, the utility model can be further configured to include a stress cone, the stress cone is sleeved on the cable, the inner wall of the stress cone is in contact with the sensor pre-embedded on the outer wall of the cable, a support structure is arranged at the bottom of the stress cone, a carrier is arranged on the outer wall of the sensor, and the carrier is buckled on the outer wall of the sensor.
[0007] In a preferred embodiment, the utility model can be further configured to include a stress cone, the stress cone is sleeved on the cable, the inner wall of the stress cone is in contact with the sensor pre-embedded on the outer wall of the cable, a support structure is arranged at the bottom of the stress cone, a carrier is arranged on the outer wall of the sensor, the carrier is buckled on the outer wall of the sensor, the outer wall of the carrier is arc-shaped, and the arc is the same as the arc of the cable.
[0008] In a preferred embodiment, the utility model can be further configured to include a stress cone, the stress cone is sleeved on the cable, the inner wall of the stress cone is in contact with the sensor pre-embedded on the outer wall of the cable, a support structure is arranged at the bottom of the stress cone, a carrier is arranged on the outer wall of the sensor, the carrier is buckled on the outer wall of the sensor, the outer wall of the carrier is arc-shaped, and the arc is the same as the arc of the cable, and the outside of the stress cone is covered by a stress cone cover.
[0009] In a preferred embodiment, the present utility model can be further configured to include a stress cone. The stress cone is sleeved on the cable, and the inner wall of the stress cone abuts against a sensor pre-embedded on the outer wall of the cable. A support structure is provided at the bottom of the stress cone. A carrier is provided on the outer wall of the sensor, and the carrier is buckled on the outer wall of the sensor. The outer wall of the carrier is arc-shaped, and the arc is the same as the arc of the cable. The outside of the stress cone is covered by a stress cone cover, and a porcelain bushing is sleeved outside the stress cone cover.
[0010] In a preferred embodiment, the present utility model can be further configured to include a stress cone. The stress cone is sleeved on the cable, and the inner wall of the stress cone abuts against a sensor pre-embedded on the outer wall of the cable. A support structure is provided at the bottom of the stress cone. A carrier is provided on the outer wall of the sensor, and the carrier is buckled on the outer wall of the sensor. The outer wall of the carrier is arc-shaped, and the arc is the same as the arc of the cable. The outside of the stress cone is covered by a stress cone cover, and a porcelain bushing is sleeved outside the stress cone cover. The support structure includes a cone support, and the cone support is arranged on the base, and the upper surface of the cone support is connected to the bottom of the stress cone.
[0011] Advantageous effects: A high-voltage cable stress cone shrinkage force testing device of the present utility model can conduct on-site simulation tests on the stress cone to observe the shrinkage force condition of the stress cone, and can also detect the electric field stress concentration condition in the stress cone. Description of the Drawings
[0012] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.
[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.
[0014] Figure 2 It is a schematic diagram of the cable of the present utility model with grooves engraved in advance.
[0015] Figure 3 It is a schematic diagram of the position of the sensor of the present utility model.
[0016] Figure 4 It is a schematic diagram of the carrier of the present utility model.
[0017] In the figure, 1 is the cable; 2 is the stress cone cover; 3 is the stress cone; 4 is the cone support; 5 is the base; 6 is the sensor; 7 is the carrier. Specific Embodiments
[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the protection scope of the present utility model.
[0019] As Figures 1-4 shown, a high-voltage cable stress cone shrinkage force test device includes a stress cone 3, the stress cone 3 is sleeved on a cable 1, the inner wall of the stress cone 3 abuts against a sensor 6 pre-embedded on the outer wall of the cable 1, and a support structure is provided at the bottom of the stress cone 3.
[0020] A carrier 7 is provided on the outer wall of the sensor 6, and the carrier 7 is buckled on the outer wall of the sensor 6.
[0021] The outer wall of the carrier 7 is arc-shaped, and the arc is the same as the arc of the cable 1.
[0022] The outside of the stress cone 3 is covered with a stress cone cover 2.
[0023] A porcelain bushing is sleeved outside the stress cone cover 2.
[0024] The support structure includes a cone support 4, the cone support 4 is arranged on a base 5, and the upper surface of the cone support 4 is connected to the bottom of the stress cone 3.
[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between these entities.
[0026] The above examples are only illustrative examples of the present utility model and do not constitute a limitation on the protection scope of the present utility model. Any design identical or similar to the present utility model belongs to the protection scope of the present utility model.
Claims
1. A high-voltage cable stress cone shrinkage force test device, characterized in that It includes a stress cone (3), the stress cone (3) is sleeved on the cable (1), the inner wall of the stress cone (3) is in contact with a sensor (6) pre-embedded on the outer wall of the cable (1), and a support structure is provided at the bottom of the stress cone (3).
2. The high-voltage cable stress cone shrinkage force testing device according to claim 1, characterized in that, A carrier (7) is provided on the outer wall of the sensor (6), and the carrier (7) is buckled on the outer wall of the sensor (6).
3. The high-voltage cable stress cone shrinkage force testing device according to claim 2, characterized in that, The outer wall of the carrier (7) is arc-shaped, and the arc is the same as the radian of the cable (1).
4. A high-voltage cable stress cone shrinkage force testing device according to claim 3, characterized in that, The outside of the stress cone (3) is covered by a stress cone cover (2).
5. The high-voltage cable stress cone shrinkage force testing device according to claim 4, characterized in that, A porcelain bushing is sleeved outside the stress cone cover (2).
6. The high-voltage cable stress cone shrinkage force testing device according to claim 5, characterized in that, The support structure includes a cone support (4), the cone support (4) is arranged on the base (5), and the upper surface of the cone support (4) is connected to the bottom of the stress cone (3).