CN219553287U

CN219553287U - Compression-resistant and wear-resistant cable

Info

Publication number: CN219553287U
Application number: CN202320992805.3U
Authority: CN
Inventors: 何玉康; 康鹏; 刘翔; 蒲恒军; 王超; 田永健
Original assignee: Zhongbang Cable Group Co ltd
Current assignee: Zhongbang Cable Group Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-08-18
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to the technical field of cables, in particular to a compression-resistant and wear-resistant cable, which comprises a supporting device, wherein the supporting device comprises a fixed ring, a plurality of supporting strips and a supporting ring, the fixed ring penetrates through an inner cavity of the supporting ring and is coaxially arranged, the supporting strips are uniformly distributed along the circumferential direction of the outer wall of the fixed ring, one end of each supporting strip is fixedly connected with the fixed ring, the other end of each supporting strip is fixedly connected with the supporting ring, a mounting gap is formed by encircling the fixed ring, two adjacent supporting strips and the supporting ring, a cable core and an elastic strip are arranged in the inner cavity of each mounting gap, the cable core is fixedly connected with the fixed ring, the side walls of the elastic strips are respectively attached to the supporting strips and the fixed ring, and the elastic strips are fixedly connected with the fixed ring. The utility model has the effect of supporting the cable core in the cable to deal with the extrusion of the external environment.

Description

Compression-resistant and wear-resistant cable

Technical Field

The utility model relates to the technical field of cables, in particular to a compression-resistant and wear-resistant cable.

Background

The cable is mainly used for carrying out power transmission, electric communication, winding and the like, is usually twisted into a rope material by a plurality of or a plurality of groups of wires, and each group of wires is covered with a high-insulation coating layer to ensure insulation among the wires, and the outermost layer is covered with a wear-resistant layer to protect an internal wire bundle and reduce invasion of external environment to the cable.

In the related art, the application document with the application number of 201820888548.8 discloses a compression-resistant and wear-resistant control cable, which mainly comprises a cable core, wherein the outer layer of the cable core is an irradiation crosslinking ethylene-propylene polymer insulating layer, the outer layer is a galvanized steel wire mesh woven layer, the outer layer is a glass fiber layer, the outer layer is an aluminum polyester film, the outer layer is a polyurethane sheath, and an aluminum-plastic composite layer is arranged in the cable core.

To the relevant technique among the above-mentioned, the outer layer of cable core mainly relies on the multilayer protective layer to support the protection, when meetting great pressure, probably can crush outside protective layer, and then lead to the fact the extrusion to inside cable core, lead to the fact the influence to the operational environment of cable core, lead to the fact the damage of cable core crust even, lead to the fact certain potential safety hazard.

Disclosure of Invention

In order to support a cable core in the cable to a certain extent so as to cope with extrusion of the external environment, the utility model provides a compression-resistant and wear-resistant cable.

The utility model provides a compression-resistant and wear-resistant cable, which adopts the following technical scheme:

the utility model provides a resistance to compression wear-resisting cable, includes strutting arrangement, strutting arrangement includes solid fixed ring, a plurality of support bar and a support ring, gu the solid fixed ring wears to locate gu the inner chamber of support ring and coaxial setting, a plurality of the support bar is followed gu fixed ring's outer wall circumference equipartition, and one end with gu fixed ring fixed connection, the other end with gu fixed ring fixed connection, gu fixed ring, adjacent two the support bar with gu the support ring encloses to establish and forms the installation clearance, and the inner chamber of every installation clearance is equipped with cable core and elastic strip, the cable core with gu fixed ring fixed connection, the lateral wall of elastic strip laminate respectively in the support bar with gu fixed ring, just the elastic strip with gu fixed ring fixed connection.

Through adopting above-mentioned technical scheme, solid fixed ring provides the support for the support bar, and the support bar can be fixed support ring and support ring, gu fixed ring and support bar enclose and establish out the installation clearance, and the installation clearance provides installation space for the cable core can avoid external environment's influence. When the support ring receives external environment's extrusion, the support ring deformation, the both ends of support bar are connected with support ring and fixed ring respectively, and the support bar takes place certain displacement along with the deformation of support ring this moment, and the support bar extrudees the elastic strip this moment, and the elastic strip takes place certain deformation to provide certain support to the support bar, and then reduce the displacement of support bar, reduce the deflection of support ring, and then provide the support for the support ring, reduce the deflection of support ring, improve the supporting effect to the cable core.

Optionally, the outer wall of solid fixed ring is equipped with a plurality of deformation grooves, deformation groove with the installation clearance intercommunication.

Through adopting above-mentioned technical scheme, the fixed ring is receiving the extrusion and takes place deformation, and deformation groove provides for the deformation of fixed ring and dodges the interval, and then prevents that the fixed ring from receiving the extrusion and leading to the crushing, and then can't provide the support for the cable core.

Optionally, the inner chamber of solid fixed ring is equipped with the fixed strip, the elastic strip with gu fixed ring fixed connection, the fixed strip with there is the deformation clearance between the fixed ring.

Through adopting above-mentioned technical scheme, the fixed strip provides the support for the solid fixed ring, and when solid fixed ring takes place deformation, solid fixed ring extrusion fixed strip provides the support for the solid fixed ring, and then reduces solid fixed ring's deformation, and deformation clearance can provide the deformation volume for solid fixed strip's deformation.

Optionally, the outer layer of cable core is equipped with the insulating layer, the insulating layer with cable core fixed connection, the inner chamber of installation clearance is equipped with the buffer layer, the buffer layer cover is located the insulating layer and press from both sides and locate solid fixed ring the support bar with between the elastic strip.

Through adopting above-mentioned technical scheme, the insulating layer can prevent the cable core at electrically conductive in-process, protects the cable core and prevents the loss of electric energy, prevents simultaneously that the cable core from leaking electricity. The buffer layer can fill the installation clearance, and then takes place deformation at holding ring and solid fixed ring, when leading to the installation clearance to take place deformation, the buffer layer reduces the pressure that the cable core received through deformation, protection cable core.

Optionally, the buffer layer is provided with a placing groove, an inner cavity of the placing groove is provided with ribs, and the ribs are fixedly connected with the buffer layer.

Through adopting above-mentioned technical scheme, the rib can be for the cable core is along the direction of length of support ring direction, prevents that the cable core from taking place excessive buckling, provides the support to the cable core.

Optionally, the protection device further comprises a protection device, wherein the protection device comprises a metal armor layer and a waterproof layer, the metal armor layer is fixedly connected with the support ring, and the waterproof layer is fixedly connected with the metal armor layer.

Through adopting above-mentioned technical scheme, metal armor can provide the support to the support ring, reduces the deflection of support ring, and then reduces the extrusion and the harm that support ring deformation caused the cable core. The waterproof layer cover is located the outside of metal armor, and then reduces the contact of metal armor and steam, prolongs the life of metal armor, has guaranteed the supporting effect to holding ring simultaneously.

Optionally, the protection device further comprises a stretching layer, the stretching layer is coaxially arranged with the waterproof layer and fixedly connected with the waterproof layer, the stretching layer is provided with a groove, an empty box is arranged in an inner cavity of the groove, the empty box is fixedly connected with the stretching layer, and an indicator is arranged in an inner cavity of the empty box.

Through adopting above-mentioned technical scheme, when transporting the cable, can drag in ground, the tensile layer can carry out certain slight stretching along the length direction of cable, protects structures such as inside cable core, subtracts the deformation volume of cable core, and then realizes protecting inside cable core. When the stretching layer is excessively stretched, the side wall of the empty box in the groove stretches along with the stretching of the stretching layer, so that the empty box is broken, the internal indicator is released, the stretching layer is dyed, and the operator can find out the empty box conveniently.

Optionally, the protection device further comprises a friction layer, the friction layer and the stretching layer are coaxially arranged and fixedly connected, the friction layer is provided with a plurality of friction rings, the friction rings are distributed at intervals along the length direction of the friction layer, each friction ring is composed of a plurality of protruding blocks, and the protruding blocks are fixedly connected with the friction layer.

Through adopting above-mentioned technical scheme, when the cable pulls on ground, the friction layer can be at the tensile layer etc. to inside protect, make it avoid the friction that produces with ground contact, the lug can increase the distance between friction layer and the ground, and then when rubbing with ground, the lug rubs earlier, then rubs the friction layer, and then prolongs the life of friction layer.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the cable core is supported by the supporting device, and can be protected, and the deformation of the cable core is reduced by certain deformation of the supporting ring and the fixing ring;

2. through setting up the empty box, the inner chamber of empty box is equipped with the indicator, and the empty box breaks when tensile layer overstretches and leads to. Releasing the internal indicator, facilitating the discovery of operators, and checking the section of cable to determine whether the section of cable accords with the use condition;

3. through setting up the lug, can prolong the life of friction layer to a certain extent, and then improve the antifriction degree of cable core in the in-process of dragging, extension cable core's life.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

fig. 2 is a schematic diagram of an end face structure of an embodiment of the present utility model.

Reference numerals: 1. a cable core; 11. an insulating layer; 2. a support device; 21. a fixing ring; 211. a fixing strip; 212. a deformation gap; 213. a deformation groove; 22. a support bar; 23. a support ring; 24. a mounting gap; 25. an elastic strip; 26. a buffer layer; 27. ribs; 3. a protection device; 31. a metal armor layer; 32. a waterproof layer; 33. stretching the layer; 331. a groove; 332. an empty box; 333. an indicator; 34. a friction layer; 35. and a bump.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a compression-resistant and wear-resistant cable.

Referring to fig. 1, a compression-resistant and wear-resistant cable comprises a cable core 1, a supporting device 2 and a protecting device 3.

Referring to fig. 1 and 2, the supporting device 2 includes a fixing ring 21, supporting strips 22 and a supporting ring 23, the fixing ring 21 is penetrated in the inner cavity of the supporting ring 23, in this embodiment, the number of the supporting strips 22 is preferably four, the length direction of the supporting strips 22 is parallel to the axis direction of the fixing ring 21, one end of the supporting strip 22 is integrally formed with the fixing ring 21 by hot-pressing at high temperature, and the other end is fixedly connected with the supporting ring 23 by gluing. The inner cavity of the fixed ring 21 is filled with a fixed strip 211, the axial direction of the fixed strip 211 is parallel to the axial direction of the fixed ring 21, and a certain deformation gap 212 exists between the fixed strip 211 and the inner cavity of the fixed ring 21. The fixing ring 21, the adjacent two support bars 22 and the support ring 23 together enclose an installation gap 24. In this embodiment, the fixing ring 21 and the supporting ring 23 have a certain elasticity.

Referring to fig. 1 and 2, the outer wall of the fixing ring 21 is provided with a plurality of deformation grooves 213, in this embodiment, the number of deformation grooves 213 is preferably eight, and the deformation grooves 213 are circumferentially distributed along the axial direction of the fixing ring 21. The inside of each installation clearance 24 all is equipped with a cable core 1, and the outside cladding of cable core 1 has insulating layer 11, and insulating layer 11 is laminated with cable core 1 through the mode of hot pressing. The inner cavity of the installation gap 24 is also provided with an elastic strip 25, a buffer layer 26 and ribs 27, the elastic strip 25 is positioned at one end of the installation gap 24 close to the fixed ring 21, the length direction of the elastic strip 25 is parallel to the axis direction of the fixed ring 21, the side walls of the elastic strip 25 are respectively attached to the support strips 22 and the fixed rings 21 on two sides, the elastic strip 25 is fixedly connected with the fixed rings 21 and the support strips 22 in an adhesive mode, and the buffer layer 26 is clamped among the elastic strip 25, the support rings 23 and the support strips 22 on two sides. The buffer layer 26 is provided with a placing groove, the ribs 27 penetrate through the inner cavity of the placing groove, and the axial direction of the ribs 27 is parallel to the axial direction of the fixing ring 21. In this embodiment, the material of the insulating layer 11 is preferably silicone rubber.

Referring to fig. 1 and 2, the protection device 3 includes a metal armor layer 31 and a waterproof layer 32, the metal armor layer 31 is fixedly connected with the support ring 23 by high-temperature hot pressing, and the waterproof layer 32 is sleeved on the outer side of the metal armor layer 31 and is coaxially and fixedly connected with the metal armor layer 31 by gluing. An inner liner layer is coaxially arranged on the outer side of the waterproof layer 32, and the inner liner layer is coaxially and fixedly connected with the waterproof layer 32. In this embodiment, the material of the waterproof layer 32 is preferably waterproof polyethylene material.

Referring to fig. 1 and 2, a tensile layer 33 is disposed on the outer side of the waterproof layer 32, and the tensile layer 33 is fixedly connected with the waterproof layer 32 coaxially, in this embodiment, the tensile layer 33 is woven from kevlar fibers, and has a certain tensile resistance.

Referring to fig. 1 and 2, a plurality of grooves 331 are buried in the outer wall of the tensile layer 33, and the grooves 331 are circumferentially uniformly distributed along the axial direction of the tensile layer 33. The inner chamber of each recess 331 is equipped with an instruction strip, and each instruction strip comprises empty box 332 and indicator 333, and empty box 332 is through sticky mode and tensile layer 33 fixed connection, and indicator 333 is deposited in the inner chamber of empty box 332, and in this embodiment, the outer wall of empty box 332 is thinner, can release inside indicator 333 after the friction breaks, the operating personnel of being convenient for discover.

Referring to fig. 1 and 2, the outer wall of the tensile layer 33 is provided with a friction layer 34 and a plurality of groups of friction rings, the friction layer 34 and the tensile layer 33 are coaxially arranged and fixedly connected, the friction rings are arranged at intervals along the axial direction of the fixed ring 21, the friction rings are composed of a plurality of protruding blocks 35, and the protruding blocks 35 are circumferentially and uniformly distributed along the axial direction of the fixed ring 21 and are fixedly connected with the friction layer 34. The material of the friction layer 34 in this embodiment is preferably cross-linked polyethylene, and the material of the bump 35 is preferably wear-resistant rubber.

The implementation principle of the compression-resistant and wear-resistant cable provided by the embodiment of the utility model is as follows: the cable core 1 is placed in the inner cavity of the installation gap 24, and the buffer layer 26 is arranged around the inner cavity, so that external extrusion and deformation can be buffered, and extrusion to which the cable core 1 is subjected is reduced.

When the cable is greatly extruded by the outside, the supporting ring 23 generates certain deformation to drive the supporting bar 22 to generate certain displacement, and at the moment, the elastic bar 25 provides certain support for the supporting bar 22, so that the displacement of the elastic bar 25 is reduced. When the fixing ring 21 is deformed to a certain extent, the deformation groove 213 provides a certain deformation amount for the deformation of the fixing ring 21, and the fixing strip 211 is disposed in the inner cavity of the fixing ring 21 to further place the fixing ring 21 to be crushed.

The metal armor layer 31 provides the supporting effect for the support ring 23, and the waterproof layer 32 reduces the contact of metal armor layer 31 and steam, prolongs the life of metal armor layer 31, and tensile layer 33 provides certain tensile protection for cable core 1, and when tensile layer 33 excessively stretches, empty box 332 breaks and releases inside indicator 333, and the operating personnel of being convenient for discovers and changes. The friction layer 34 can reduce the friction of the inner stretching layer 33, and the convex blocks 35 can reduce the friction of the friction layer 34, so that the service life of the friction layer 34 is prolonged, and the compression resistance and abrasion resistance effects of the cable are improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a resistance to compression wear cable which characterized in that: including strutting arrangement (2), strutting arrangement (2) include solid fixed ring (21), a plurality of support bar (22) and a support ring (23), gu fixed ring (21) wear to locate the inner chamber and the coaxial setting of support ring (23), a plurality of support bar (22) are followed gu fixed ring (21)'s outer wall circumference equipartition, and one end with solid fixed ring (21) fixed connection, the other end with support ring (23) fixed connection, gu fixed ring (21), adjacent two support bar (22) with support ring (23) enclose and establish and form installation clearance (24), the inner chamber of every installation clearance (24) is equipped with cable core (1) and elastic strip (25), cable core (1) with solid fixed ring (21) fixed connection, the lateral wall of elastic strip (25) laminate respectively in support bar (22) with solid fixed ring (21), just elastic strip (25) with solid fixed ring (21) fixed connection.

2. A pressure and wear resistant cable according to claim 1, wherein: the outer wall of the fixed ring (21) is provided with a plurality of deformation grooves (213), and the deformation grooves (213) are communicated with the mounting gap (24).

3. A pressure and wear resistant cable according to claim 1, wherein: the inner cavity of the fixed ring (21) is provided with a fixed strip (211), the elastic strip (25) is fixedly connected with the fixed ring (21), and a deformation gap (212) is formed between the fixed strip (211) and the fixed ring (21).

4. A pressure and wear resistant cable according to claim 3, wherein: the outer layer of cable core (1) is equipped with insulating layer (11), insulating layer (11) with cable core (1) fixed connection, the inner chamber of installation clearance (24) is equipped with buffer layer (26), buffer layer (26) cover is located insulating layer (11) and clamp are located between solid fixed ring (21), support bar (22) with elastic strip (25).

5. A pressure and wear resistant cable as claimed in claim 4, wherein: the buffer layer (26) is provided with a placing groove, the inner cavity of the placing groove is provided with ribs (27), and the ribs (27) are fixedly connected with the buffer layer (26).

6. A pressure and wear resistant cable as in claim 5, wherein: the protection device comprises a support ring (23), and is characterized by further comprising a protection device (3), wherein the protection device (3) comprises a metal armor layer (31) and a waterproof layer (32), the metal armor layer (31) is fixedly connected with the support ring (23), and the waterproof layer (32) is fixedly connected with the metal armor layer (31).

7. The pressure and wear resistant cable according to claim 6, wherein: the protection device (3) further comprises a stretching layer (33), the stretching layer (33) is coaxially arranged with the waterproof layer (32) and is fixedly connected with the waterproof layer, the stretching layer (33) is provided with a groove (331), an empty box (332) is arranged in the inner cavity of the groove (331), the empty box (332) is fixedly connected with the stretching layer (33), and an indicator (333) is arranged in the inner cavity of the empty box (332).

8. A pressure and wear resistant cable as in claim 7, wherein: the protection device (3) further comprises a friction layer (34), the friction layer (34) is coaxially arranged with the stretching layer (33) and fixedly connected with the stretching layer, the friction layer (34) is provided with a plurality of friction rings, the friction rings are distributed at intervals along the length direction of the friction layer (34), each friction ring is composed of a plurality of protruding blocks (35), and the protruding blocks (35) are fixedly connected with the friction layer (34).