An adjustable pre-stranded wire clamp fitting
By introducing a threaded connection between a fastening nut and an external threaded post in the pre-twisted wire clamp hardware, the problem of the inability to adjust the tightness of traditional wire clamps is solved, and stable connection and long-term operation of the conductor are achieved.
Patent Information
- Application Number
- CN202520233644.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Traditional pre-twisted wire clamps cannot flexibly adjust the tightness and cannot adapt to changes in conductor tension caused by changes in ambient temperature and external forces, which may lead to loosening of the clamps or damage to the conductors due to excessive tightness.
An adjustable pre-twisted wire clamp hardware was designed. By setting a fastening nut and an external threaded post at the U-shaped connection, the tightness can be easily adjusted. The tension of the wire clamp can be adjusted by rotating the fastening nut through the threaded connection between the fastening nut and the external threaded post.
It enables fine-tuning of the wire clamp tightness according to actual needs, avoiding damage to the wire insulation layer due to excessive tightness or insufficient gripping force due to excessive looseness, thus extending the service life of the wire and ensuring stable operation of the line.
Smart Images
Figure CN223613011U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable fitting device technical field, specifically point to a kind of adjustable pre-stranded wire clamp fitting. BACKGROUND
[0002] In power transmission system, pre-stranded wire clamp fitting as the key component of connection and fixed conductor, plays a vital role. It is tightly wound on the conductor by special pre-stranded wire structure, realizes reliable holding and connection to the conductor, has good mechanical properties and electrical properties, can effectively reduce the power loss of conductor at the connection part, improves power transmission efficiency.
[0003] However, traditional pre-stranded wire clamp fitting exposes many defects related to tightness adjustment in practical application. The tightness of traditional pre-stranded wire clamp fitting is usually fixed during installation, and it is difficult to adjust flexibly according to actual working conditions. When the conductor expands or contracts due to environmental temperature changes, or the tension changes due to external forces such as wind and icing, the tightness of the clamp cannot be adjusted in time, which may cause looseness between the clamp and the conductor. UTILITY MODEL CONTENT
[0004] (I) Technical problem
[0005] The utility model provides a kind of adjustable pre-stranded wire clamp fitting, solve the problem that traditional clamp cannot be flexibly adjusted tight to adapt to different working conditions.
[0006] (II) Technical content
[0007] To solve the above technical problems, the technical scheme of the utility model is as follows: a kind of adjustable pre-stranded wire clamp fitting, including pre-stranded wire and the U-shaped connecting portion for being provided with pre-stranded wire, the end of U-shaped connecting portion away from pre-stranded wire is rotationally provided with fastening nut for adjusting tightness, fastening nut is internally threadedly connected with external thread column, external thread column is provided with U-shaped groove at the other end, U-shaped groove is fixedly provided with crossbar inside, crossbar is hungly provided with U-shaped ring.
[0008] Further, the end of U-shaped connecting portion away from pre-stranded wire is internally provided with T-shaped groove, T-shaped block is movably arranged in T-shaped groove, and fastening nut is fixedly arranged at the end of T-shaped block.
[0009] Further, the U-shaped ring is provided with a bolt at both ends of the opening.
[0010] Further, the U-shaped connecting portion includes a base, and the base is fixedly provided with a connecting plate at both sides, and a connecting column is fixedly arranged between the two connecting plates, and the connecting column is provided with a ring groove matched with the pre-stranded wire in the circumferential direction.
[0011] (III) Technical effect
[0012] The utility model discloses a kind of adjustable pre-stranded wire clamp fittings, including base, connecting plate, connecting column, ring groove, U-shaped connecting part, fastening nut, outer thread column and U-shaped groove, the utility model has the advantages that compared with prior art: by rotating and setting fastening nut in one end of U-shaped connecting part, with the outer thread column of internal thread connection cooperation, can according to the state change of wire due to temperature, external force and other factors, adjust wire clamp tightness at any time conveniently, by rotating fastening nut, according to actual demand fine tuning, both avoid too tight damage wire insulation layer, prevent too loose and lead to insufficient holding force, to prolong wire service life, guarantee line long-term stable operation. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a kind of adjustable pre-stranded wire clamp fittings of the utility model three-dimensional structure schematic Figure 1 .
[0014] Figure 2 It is a kind of adjustable pre-stranded wire clamp fittings of the utility model three-dimensional structure schematic Figure 2 .
[0015] Figure 3 It is the main view structure schematic of a kind of adjustable pre-stranded wire clamp fittings of the utility model.
[0016] Figure 4 It is the elevation structure schematic of a kind of adjustable pre-stranded wire clamp fittings of the utility model.
[0017] Figure 5 It is the cross section structure schematic of a kind of adjustable pre-stranded wire clamp fittings of the utility model.
[0018] As shown in the figure: 1, pre-stranded wire; 2, U-shaped connecting part; 3, fastening nut; 4, outer thread column; 5, U-shaped groove; 6, crossbar; 7, U-shaped ring; 8, T-shaped groove; 9, T-shaped block; 10, bolt; 201, base; 202, connecting plate; 203, connecting column; 204, ring groove. DETAILED DESCRIPTION
[0019] In the description of the utility model, it is understood that the orientation or position relationship indicated by terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation configuration and operation, therefore it cannot be understood as the limitation of the utility model.
[0020] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "have", "installation", "link", "connection" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral type connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through intermediate medium, can be two element inside intercommunication. For ordinary skilled person in the art, can understand the specific meaning of above-mentioned term in the utility model according to specific circumstances.
[0021] The utility model makes further detailed description in combination with drawings.
[0022] In combination with the drawings Figure 1 to the drawings Figure 5 A kind of adjustable pre-stranded wire clamp fitting, including pre-stranded wire 1 and the U-shaped connecting portion 2 for being arranged pre-stranded wire 1, the U-shaped connecting portion 2 is away from the end of pre-stranded wire 1 rotationally arranged for adjusting tightness and fastening nut 3, the fastening nut 3 inside thread connection is equipped with outer thread column 4, outer thread column 4 other end is equipped with U-shaped groove 5, U-shaped groove 5 inside is fixedly equipped with crossbar 6, crossbar 6 is hung and connected and is equipped with U-shaped ring 7.
[0023] The U-shaped connecting portion 2 is away from the end inside pre-stranded wire 1 and is equipped with T-shaped groove 8, T-shaped groove 8 is movably equipped with T-shaped block 9, fastening nut 3 is fixedly arranged at the end of T-shaped block 9.
[0024] The U-shaped ring 7 opening both ends are equipped with bolt 10.
[0025] The U-shaped connecting portion 2 includes base 201, and both sides of base 201 are fixedly equipped with connecting plate 202, and connecting column 203 is fixedly arranged between two connecting plates 202, and connecting column 203 is equipped with ring groove 204 matched with pre-stranded wire 1 along the circumference.
[0026] The utility model discloses a kind of working principles of adjustable pre-stranded wire clamp fitting:
[0027] 1. Initial installation: pre-stranded wire 1 is arranged in the connecting column 203 ring groove 204 of U-shaped connecting portion 2, the preliminary positioning of lead wire is realized. Since ring groove 204 is matched with pre-stranded wire 1, can ensure that pre-stranded wire 1 is stably placed on U-shaped connecting portion 2, lays foundation for subsequent steps.
[0028] 2. Equipment connection: when the whole wire clamp is installed into power system, U-shaped ring 7 plays a connecting role. The bolt 10 of the U-shaped ring 7 opening both ends, can be used to connect other power equipment, and the wire clamp fitting is stably integrated into power transmission architecture.
[0029] 3. Adjusting the tightness: when it is needed to adjust the tightness of the wire clamp to the wire, turn the fastening nut 3. Because the fastening nut 3 is fixed at the end of the T-shaped block 9, and the T-shaped block 9 moves in the T-shaped slot 8 of the U-shaped connecting part 2, when the fastening nut 3 is turned, the T-shaped block 9 will turn in the T-shaped slot 8, avoiding the fastening nut 3 from deviating or shaking during the adjustment. The fastening nut 3 is screwed with the outer threaded column 4, and during the turning, the rotational movement of the fastening nut 3 is converted into linear movement, changing the tension of the wire clamp, and realizing the adjustment of the tightness of the wire.
[0030] The above describes the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. An adjustable pre-stranded wire clamp fitting comprising a pre-stranded wire (1) and a U-shaped connecting portion (2) for threading the pre-stranded wire (1), characterized in that: The U-shaped connecting part (2) is provided with a fastening nut (3) for adjusting tightness at one end away from the pre-stranded wire (1), the fastening nut (3) is internally threadedly connected with an externally threaded column (4), the other end of the externally threaded column (4) is provided with a U-shaped groove (5), the U-shaped groove (5) is internally fixed with a cross rod (6), and the cross rod (6) is hung with a U-shaped hanging ring (7).
2. An adjustable pre-stressed clamp fitting according to claim 1, wherein: The U-shaped connecting part (2) is internally provided with a T-shaped groove (8) at one end away from the pre-stranded wire (1), the T-shaped groove (8) is internally movably provided with a T-shaped block (9), and the fastening nut (3) is fixed at the end of the T-shaped block (9).
3. The adjustable pre-stressed clamp fitting of claim 1, wherein: The U-shaped hanging ring (7) is provided with a bolt (10) at both ends of the opening.
4. The adjustable pre-stressed clamp fitting of claim 1, wherein: The U-shaped connecting part (2) comprises a base (201), the two sides of the base (201) are fixedly provided with connecting plates (202), the two connecting plates (202) are fixedly provided with a connecting column (203) therebetween, and the connecting column (203) is circumferentially provided with ring grooves (204) matched with the pre-stranded wire (1).