CN211878267U

CN211878267U - Strain hardware fitting for optical cable

Info

Publication number: CN211878267U
Application number: CN202020899711.8U
Authority: CN
Inventors: 温素兵; 苏宏梅; 温祖丰; 李莉
Original assignee: Anhui Ocean Power Engineering Co ltd
Current assignee: Anhui Ocean Power Engineering Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-11-06
Anticipated expiration: 2030-05-23

Abstract

The utility model relates to a strain clamp for optical cables, which relates to the technical field of cable connection and comprises a second U-shaped hanging ring, wherein the second U-shaped hanging ring is hinged with a mounting seat, the mounting seat is hinged with a first connecting plate and a second connecting plate, the first connecting plate is provided with a first round hole, the second connecting plate is provided with a second round hole, the first round hole is internally hooked with a first hook, the second round hole is internally hooked with a second hook, and a first spring is arranged between the first hook and the second hook; the end parts of the first connecting plate and the second connecting plate are provided with preformed armor rods, and the preformed armor rods are wound on the conducting wires. The utility model discloses when having the wire and taking place vibrations, the strain insulator gold utensil provides certain deformation space to the deformation of wire, reduces the effect that the optical cable took place the damaged condition.

Description

Strain hardware fitting for optical cable

Technical Field

The utility model belongs to the technical field of the technique of cable connection and specifically relates to a strain insulator gold utensil for optical cable is related to.

Background

At present, in the power transmission and transformation circuit, the tower is mainly connected with the circuit by the strain clamp string, the strain clamp string mainly comprises the strain clamp and a connecting hardware fitting, the strain clamp is used as a key hardware fitting for bearing the mechanical performance of the circuit, the traditional hydraulic type and bolt type strain clamps cannot obtain good guarantee due to the construction conditions, heavy construction equipment and other conditions, and the pre-twisted strain clamp has the characteristics of simple structure, convenience in installation, no need of special tools and the like, and is more and more widely applied to overhead circuits.

In the prior art, chinese patent No. CN204229012U discloses a quick repair splice closure for an electrical power cable, which includes two repair splice closure bodies for splicing the electrical power cable; the two pre-twisted wire strain fittings are arranged at one ends of two OPPC power optical cables to be spliced; and the compression joint type connecting pieces are respectively connected to one ends of the two pre-twisted wire strain fittings. The wire tensioning device further comprises a heart-shaped ring, and the heart-shaped ring is fixed between the compression joint type connecting piece and the pre-twisted wire tension-resistant hardware fitting.

The above prior art solutions have the following drawbacks: first preformed armor rod strain insulator gold utensil 31 is fixed with the one end of first OPPC electric power optical cable, and the setting of preformed armor rod strain insulator gold utensil remains taut form throughout, can drive preformed armor rod strain insulator gold utensil and take place to rock when first OPPC electric power optical cable takes place great rocking, makes first OPPC electric power optical cable take place the damaged condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a strain insulator gold utensil for optical cable, when it has to be connected comparatively stably between preformed armor rod strain insulator gold utensil and the optical cable, when the optical cable takes place to shake, preformed armor rod strain insulator gold utensil provides certain deformation space to the removal of optical cable, reduces the effect that the optical cable took place the damaged condition.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a strain fitting for an optical cable comprises a second U-shaped hanging ring, wherein an installation seat is hinged to the second U-shaped hanging ring, a first connecting plate and a second connecting plate are hinged to the installation seat, a first round hole is formed in the first connecting plate, a second round hole is formed in the second connecting plate, a first hook is hooked in the first round hole, a second hook is hooked in the second round hole, and a first spring is arranged between the first hook and the second hook; the end parts of the first connecting plate and the second connecting plate are provided with preformed armor rods, and the preformed armor rods are wound on the wires.

Through adopting above-mentioned technical scheme, when the wire takes place to rock, the preformed armor rod takes place to warp this moment, and the length of first spring changes and just can drive first connecting plate and second connecting plate and deviate from the interval between ann's seat one end and change, alright provide the space for the deformation of preformed armor rod, thereby the deformation of preformed armor rod just can drive the change of wire position, thereby reduces the wire and takes place the condition that the division appears because of external force deformation.

The present invention may be further configured in a preferred embodiment as: the first round holes are formed in a plurality of intervals along the extending direction of the first connecting plate, and the second round holes are formed in a plurality of intervals along the extending direction of the second connecting plate.

Through adopting above-mentioned technical scheme, a plurality ofly are all seted up to first round hole and second round hole, and the person of facilitating the use adjusts the position of first spring, and the suitability is higher.

The present invention may be further configured in a preferred embodiment as: a first bolt is connected with the first round hole in an internal thread mode, and the first hook is fixedly connected to the end portion of the first bolt; the second round hole is connected with a second bolt in an internal thread mode, and the second hook is fixedly connected to the end portion of the second bolt.

Through adopting above-mentioned technical scheme, first couple passes through first bolt and installs on first connecting plate, and the second couple passes through the second bolt and installs on the second connecting plate for the stable installation of first spring is between first connecting plate and second connecting plate, reduces the probability that first spring and first connecting plate and second connecting plate separation condition appear, and the stability of use is better.

The present invention may be further configured in a preferred embodiment as: install first U-shaped ring on the first connecting plate, the second U-shaped ring is installed to the free end of second connecting plate, the preformed armor rod vertically passes first U-shaped ring and second U-shaped ring, the top and the bottom of preformed armor rod all buckle to on the wire and around establishing on the wire.

Through adopting above-mentioned technical scheme, preformed armor rods pass first U-shaped ring, second U-shaped ring around establishing on the wire for the tip of wire is free form, and first U-shaped ring is installed at first connecting plate, and the second U-shaped ring is installed on the second connecting plate, and follow-up when being under construction to wire free end, makes the interlude of wire keep the state of tensioning, and the result of use is better.

The present invention may be further configured in a preferred embodiment as: and a locking ring is sleeved between the two free ends of the preformed armor rods and the lead.

Through adopting above-mentioned technical scheme, the setting of locking ring for it is comparatively stable to be connected between preformed armor rods and the wire.

The present invention may be further configured in a preferred embodiment as: the first U-shaped ring comprises two vertical plates hinged to the first connecting plate and a bearing part connected between the two vertical plates, and the bearing part protrudes towards one side of the preformed armor rods to one side of the first connecting plate.

Through adopting above-mentioned technical scheme, the preformed armor rods vertically passes between accepting portion and the first connecting plate, and the top lid of preformed armor rods is established on the upper portion of accepting portion, but probably takes place wearing and tearing between preformed armor rods and the accepting portion, so make one side of accepting portion be protruding form, make the laminating degree between preformed armor rods and the accepting portion better, reduce preformed armor rods and take place to buckle and make the condition that the intensity of preformed armor rods reduces.

The present invention may be further configured in a preferred embodiment as: the adjustable U-shaped hanging ring is characterized in that an adjusting piece is arranged between the second U-shaped hanging ring and the mounting seat, the adjusting piece comprises an adjusting seat hinged to the second U-shaped hanging ring, a horizontally extending waist-shaped hole is formed in the adjusting seat, mounting holes are formed in the adjusting seat at intervals, a third bolt is installed between the mounting seat and one of the mounting holes, and a fourth bolt inserted into the waist-shaped hole is connected to the mounting seat in a threaded manner.

Through adopting above-mentioned technical scheme, when needs are to the interval between second U-shaped link and the mount pad, it can to adjust the position that the third bolt was placed in the mounting hole. Because the fourth bolt is inserted in the waist-shaped hole, when the mounting seat slides along the adjusting seat, the mounting seat and the adjusting seat are connected stably, and the using effect is good.

The present invention may be further configured in a preferred embodiment as: and a first U-shaped hanging ring is sleeved on the second U-shaped hanging ring, fifth bolts penetrate through two end parts of the first U-shaped hanging ring, and nuts are connected to the end parts of the fifth bolts in a threaded manner.

Through adopting above-mentioned technical scheme, through the part that can will install on first U-shaped link of first U-shaped link install on the cable frame, it is comparatively convenient to use.

To sum up, the utility model discloses a following at least one useful technological effect:

the first spring is arranged between the first connecting plate and the second connecting plate, so that the preformed armor rods are kept in a tensioned state, and meanwhile, when the preformed armor rods are stretched by the conducting wires to deform, the preformed armor rods can drive the end parts of the first connecting plate and the second connecting plate to be close to each other, the first spring deforms, the condition that the preformed armor rods are broken due to external force is reduced, and the using effect is good;

the first round holes and the second round holes are formed in a plurality of numbers, so that a user can conveniently adjust the position of the first spring, and the applicability is high;

the setting that first U-shaped was encircled and second U-shaped encircles for it is more stable to be connected between preformed armor rods and first connecting plate and the second connecting plate, and the result of use is better.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

fig. 2 is a schematic structural view of a first U-shaped ring in the embodiment.

Reference numerals: 1. a first U-shaped suspension loop; 11. a fifth bolt; 2. a second U-shaped suspension loop; 3. an adjustment member; 31. an adjusting seat; 32. a waist-shaped hole; 33. mounting holes; 34. a third bolt; 35. a fourth bolt; 4. a mounting seat; 41. a first connecting plate; 411. a first circular hole; 412. a first bolt; 413. a first hook; 42. a second connecting plate; 421. a second circular hole; 422. a second bolt; 423. a second hook; 424. a second U-shaped ring; 43. a first spring; 44. pre-stranding; 45. locking a ring; 46. a first U-shaped ring; 461. a vertical plate; 462. a bearing part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a strain insulator gold utensil for optical cable, including first U-shaped link 1, the horizontal cross-section of first U-shaped link 1 is the U-shaped, and two tip of first U-shaped link 1 are vertical to be equipped with fifth bolt 11, and fifth bolt 11 tip threaded connection has the nut. The second U-shaped hanging ring 2 is sleeved on the first U-shaped hanging ring 1, the vertical section of the second U-shaped hanging ring 2 is U-shaped, an adjusting piece 3 is hinged to the second U-shaped hanging ring 2, and a mounting seat 4 is mounted on the adjusting piece 3.

Referring to fig. 1, a first connecting plate 41 and a second connecting plate 42 are hinged to the mounting seat 4, the first connecting plate 41 and the second connecting plate 42 are symmetrically arranged along a center line of the mounting seat 4, a plurality of first round holes 411 are arranged on the first connecting plate 41 at intervals along the extending direction of the first connecting plate, a plurality of second round holes 421 are arranged on the second connecting plate 42 at intervals along the extending direction of the second connecting plate, and the first round holes 411 and the second round holes 421 both extend horizontally. One of the first round holes 411 is in threaded connection with a first bolt 412, one of the second round holes 421 is in threaded connection with a second bolt 422, the first round hole 411 and the second round hole 421 are located on the same vertical extension line, and the tail ends of the first bolt 412 and the second bolt 422 are in threaded connection with nuts. The end part of the first bolt 412 departing from the nut is welded with a first hook 413, the end part of the second bolt 422 departing from the adjacent nut is welded with a second hook 423, and a first spring 43 is arranged between the first hook 413 and the second hook 423.

Referring to fig. 1, a first U-shaped ring 46 is hinged to an end of the first connecting plate 41 away from the mounting seat 4, and an end of the first connecting plate 41 away from the mounting seat 4 extends into the first U-shaped ring 46; a second U-shaped ring 424 is hingedly connected to an end of the second connecting plate 42 facing away from the mounting seat 4, and the end of the second connecting plate 42 facing away from the mounting seat 4 extends into the second U-shaped ring 424. A preformed armor rod 44 penetrates through the space between the first U-shaped ring 46 and the first connecting plate 41, the bottom of the preformed armor rod 44 penetrates through the space between the second U-shaped ring 424 and the second connecting plate 42 and is bent towards one side far away from the installation seat 4, the top of the preformed armor rod 44 is bent towards one side far away from the installation seat 4, the preformed armor rod 44 extends to a conducting wire, and a locking ring 45 wrapping the outer part of the preformed armor rod 44 is sleeved on the conducting wire.

Referring to fig. 1-2, the first U-shaped ring 46 includes two risers 461 hinged to the first connecting plate 41, and a receiving portion 462 connected between the two risers 461, wherein the receiving portion 462 protrudes toward one side of the preformed screw 44 toward one side of the first connecting plate 41, so that the preformed screw 44 is tightly connected to the receiving portion 462.

Referring to fig. 1, the adjusting member 3 includes the adjusting seat 31 vertically placed in the second U-shaped suspension loop 2, the adjusting seat 31 is hinged to the second U-shaped suspension loop 2, a horizontally extending waist-shaped hole 32 is formed in the side wall of the adjusting seat 31, a horizontally extending mounting hole 33 is formed in the adjusting seat 31, and the mounting hole 33 is provided with a plurality of extending directions spaced apart from each other along the adjusting seat 31. The mounting seat 4 is located on one side of the adjusting seat 31, a third bolt 34 placed in one of the mounting holes 33 is horizontally inserted into the mounting seat 4, and a fourth bolt 35 placed in the kidney-shaped hole 32 is horizontally inserted into the mounting seat 4. Nuts are screwed to the end portions of the third bolt 34 and the fourth bolt 35.

In use, the first bolt 412 is installed in the first circular hole 411, the second bolt 422 is installed in the second circular hole 421, the first spring 43 is installed between the first hook 413 and the second hook 423, then the position of the third bolt 34 is adjusted, after the adjustment is completed, the first U-shaped suspension loop 1 is installed on the cable frame, the guide is tightened, the preformed armor rod 44 is wound on the conductor through the first U-shaped ring 46 and the second U-shaped ring 424, and finally the locking ring 45 is sleeved on the preformed armor rod 44 and the conductor.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a strain insulator gold utensil for optical cable, includes second U-shaped link (2), its characterized in that: the second U-shaped hanging ring (2) is hinged with a mounting seat (4), the mounting seat (4) is hinged with a first connecting plate (41) and a second connecting plate (42), the first connecting plate (41) is provided with a first round hole (411), the second connecting plate (42) is provided with a second round hole (421), the first round hole (411) is internally hooked with a first hook (413), the second round hole (421) is internally hooked with a second hook (423), and a first spring (43) is arranged between the first hook (413) and the second hook (423); the end parts of the first connecting plate (41) and the second connecting plate (42) are provided with preformed armor rods (44), and the preformed armor rods (44) are wound on the guide lines.

2. The tension-resistant fitting for the optical cable according to claim 1, wherein: the first round holes (411) are arranged at intervals along the extending direction of the first connecting plate (41), and the second round holes (421) are arranged at intervals along the extending direction of the second connecting plate (42).

3. The tension-resistant fitting for the optical cable according to claim 1, wherein: a first bolt (412) is connected with the first round hole (411) through internal threads, and a first hook (413) is fixedly connected to the end part of the first bolt (412); the second round hole (421) is connected with a second bolt (422) through internal threads, and the second hook (423) is fixedly connected to the end of the second bolt (422).

4. The tension-resistant fitting for the optical cable according to claim 1, wherein: install first U-shaped ring (46) on first connecting plate (41), second U-shaped ring (424) are installed to the free end of second connecting plate (42), preformed armor rod (44) vertically pass first U-shaped ring (46) and second U-shaped ring (424), the top and the bottom of preformed armor rod (44) all buckle to on the wire and around establishing on the wire.

5. The tension-resistant fitting for the optical cable according to claim 4, wherein: and a locking ring (45) is sleeved between the two free ends of the preformed armor rods (44) and the conducting wire.

6. The tension-resistant fitting for the optical cable according to claim 4, wherein: the first U-shaped ring (46) comprises two risers (461) hinged to the first connecting plate (41), and a receptacle (462) connected between the two risers (461), the receptacle (462) projecting toward one side of the preformed strand (44) toward one side of the first connecting plate (41).

7. The tension-resistant fitting for the optical cable according to claim 1, wherein: be provided with adjusting part (3) between second U-shaped link (2) and mount pad (4), adjusting part (3) are including articulating adjusting seat (31) on second U-shaped link (2), set up waist shape hole (32) that have the level to extend on adjusting seat (31), set up mounting hole (33) that the level interval set up on adjusting seat (31), install third bolt (34) between mount pad (4) and one of them mounting hole (33), threaded connection has fourth bolt (35) of pegging graft in waist shape hole (32) on mount pad (4).

8. The tension-resistant fitting for the optical cable according to claim 1, wherein: the second U-shaped hanging ring (2) is sleeved with a first U-shaped hanging ring (1), fifth bolts (11) penetrate through two end portions of the first U-shaped hanging ring (1), and nuts are connected to end portions of the fifth bolts (11) in a threaded mode.