CN210575179U

CN210575179U - Bending-resistant tensile cable

Info

Publication number: CN210575179U
Application number: CN201921600157.2U
Authority: CN
Inventors: 章国榜; 段国权; 施晓宝
Original assignee: WUHAN HONGLIAN WIRE & CABLE CO LTD
Current assignee: WUHAN HONGLIAN WIRE & CABLE CO LTD
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-19
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a resistant tensile cable of buckling belongs to the cable field, including the protective sheath, many with cable core and fixed cover, many cable core and fixed cover all are located the inside of protective sheath, the protective sheath comprises outer protective layer, net twine layer, shielding layer and internal insulation layer from outside to inside in proper order, fixed cover is cylindrical structure, just a plurality of wire casings have been seted up on the outer wall of fixed cover, many the cable core is located the inside of a plurality of wire casings respectively, the internal insulation cladding is in the outside of many cable cores. The utility model discloses rational in infrastructure, design benefit, easy operation has not only effectively promoted the stretch-proofing performance of cable, makes the more smooth and easy of buckling of cable moreover, has improved the resistant performance of buckling of cable, easily uses widely.

Description

Bending-resistant tensile cable

Technical Field

The utility model relates to a cable field especially relates to a resistant tensile cable of buckling.

Background

The cable is a material used for power, communication and related transmission purposes, and at present, with the development of society, the number of cables as transmission media is increased, and the requirements on the cables are higher and higher. In the in-process of using, need drag the cable sometimes, traditional cable can lead to the fact destruction to the conductor when dragging, the skin of cable probably is at tensile in-process fracture, in addition, the in-process of laying the cable can be difficult to avoid buckling the cable, current cable is because the inner space is compact, adjacent cable core all is direct contact, the buckling of the cable core that will obstruct like this when buckling, make the cable core extruded damage easily, for this reason, this scheme has provided a resistant tensile cable of buckling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant tensile cable of buckling to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant tensile cable of buckling, includes the protective sheath, many with cable core and fixed cover, many cable core and fixed cover all are located the inside of protective sheath, the protective sheath comprises outer protective layer, net twine layer, shielding layer and internal insulation layer from outer to interior in proper order, fixed cover is cylindrical structure, just a plurality of wire casings have been seted up on the outer wall of fixed cover, many the cable core is located the inside of a plurality of wire casings respectively, the external portion at many cable cores of internal insulation cladding.

By adopting the scheme, when the cable is stretched, the net wire layer and the shielding layer can resist the deformation of the cable due to stretching to a great extent, so that the tensile resistance of the cable is enhanced, and under the condition that the cable is bent, the adjacent cable cores cannot be contacted, so that the cable is bent more smoothly.

As a preferred embodiment, a plurality of grooves are formed in the inner side of the inner insulating layer, the number of the grooves is the same as that of the cable cores, the grooves are matched with the cable cores, and one sides of the cable cores are respectively clamped inside the grooves.

By adopting the scheme, the cable core can be prevented from shifting in the inner insulating layer through the arrangement of the groove.

As a preferred embodiment, a buffer hole is formed in the center of the fixing sleeve, and the distance between two adjacent wire grooves is the same.

Adopt above-mentioned scheme, the space of the deformation reservation of fixed cover is given in the setting of buffer hole for the emergence of fixed cover can not have too much resistance when buckling.

In a preferred embodiment, the mesh layer is woven by glass fibers, and the shielding layer is woven by copper wires.

By adopting the scheme, the tensile strength of the cable is enhanced by the arrangement of the network cable layer, and the arrangement of the shielding layer plays a role in resisting electromagnetic interference and simultaneously. The tensile resistance of the cable is further enhanced by the shielding layer braided by the copper wires.

In a preferred embodiment, the outer protective layer is made of polyethylene material.

By adopting the scheme, the wear resistance of the cable is enhanced by the arrangement of the outer protective layer.

In a preferred embodiment, the inner insulating layer is made of PVC, and the inner wall and the outer wall of the inner insulating layer are coated with fireproof coatings.

By adopting the scheme, the PVC material can play the roles of low temperature resistance and wear resistance.

Compared with the prior art, the beneficial effects of the utility model are that:

1. due to the arrangement of the fixing sleeve, adjacent cable cores are not contacted, so that when the cable is bent, the adjacent cable cores are not blocked and collided, the bending is smoother, and meanwhile, a deformation space is reserved for the bending of the fixing sleeve due to the arrangement of the buffer holes;

2. through the setting of net twine layer, the tensile strength of having strengthened the cable that reaches, the effect of anti-electromagnetic interference is played in the setting of shielding layer, simultaneously. The tensile resistance of the cable is further enhanced by the shielding layer braided by the copper wires.

The utility model discloses rational in infrastructure, design benefit, easy operation has not only effectively promoted the stretch-proofing performance of cable, makes the more smooth and easy of buckling of cable moreover, has improved the resistant performance of buckling of cable, easily uses widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the fixing sleeve of the present invention.

Fig. 3 is a schematic structural diagram of the inner insulating layer of the present invention.

Fig. 4 is a schematic structural diagram of the outer protective layer and the mesh layer according to the present invention.

Reference numbers in the figures: 1. a protective sleeve; 2. a cable core; 3. an outer protective layer; 4. a network wire layer; 5. a shielding layer; 6. an inner insulating layer; 7. a fixed sleeve, 8 and a wire groove; 9. a buffer hole; 10 grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a bending-resistant tensile cable comprises a protective sleeve 1, multiple cable cores 2 and a fixed sleeve 7, wherein the multiple cable cores 2 and the fixed sleeve 7 are both located inside the protective sleeve 1, the protective sleeve 1 sequentially consists of an outer protective layer 3, a network cable layer 4, a shielding layer 5 and an inner insulating layer 6 from outside to inside, the fixed sleeve 7 is of a cylindrical structure, multiple wire slots 8 are formed in the outer wall of the fixed sleeve 7, the multiple cable cores 2 are respectively located inside the multiple wire slots 8, a buffer hole 9 is formed in the center of the fixed sleeve 7, and the distances between every two adjacent wire slots 8 are the same (see fig. 1 and 2); the cable cores 2 are clamped inside the wire grooves 8, so that when the cable is bent, the adjacent cable cores 2 cannot be contacted, the inner insulating layer 6 covers the outer parts of the cable cores 2, a plurality of grooves 10 are formed in the inner side of the inner insulating layer 6, the number of the grooves 10 is the same as that of the cable cores 2, the grooves 10 are matched with the cable cores 2, and one sides of the cable cores 2 are respectively clamped inside the grooves 10 (see fig. 1); the provision of the groove 10 prevents the cable core from being displaced inside the inner insulating layer 6.

Specifically, the mesh wire layer 4 is woven by glass fibers, the shielding layer 5 is woven by copper wires, the outer protective layer 3 is made of polyethylene materials, the inner insulating layer 6 is made of PVC materials, and the inner wall and the outer wall of the inner insulating layer 6 are coated with fireproof coatings (see fig. 1 and 4); when the cable is stretched, the mesh layer 4 and the shielding layer 5 can resist deformation of the cable due to stretching to a large extent.

When the cable receives tensile, deformation that cable produced because tensile can be resisted to a great extent to net twine layer 4 and shielding layer 5 to reinforcing cable's tensile resistance, and under the condition that the cable is buckled, can not take place the contact between the adjacent cable core, thereby make the bending of cable more smooth and easy, in order to avoid owing to buckle, contact friction between the adjacent cable core damages the cable core.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a resistant tensile cable of buckling, includes protective sheath (1), many with cable core (2) and fixed cover (7), its characterized in that, many cable core (2) all are located the inside of protective sheath (1) with fixed cover (7), protective sheath (1) comprises outer protective layer (3), net twine layer (4), shielding layer (5) and internal insulation layer (6) from outer to interior in proper order, fixed cover (7) are cylindrical structure, just a plurality of wire casings (8) have been seted up on the outer wall of fixed cover (7), many cable core (2) are located the inside of a plurality of wire casings (8) respectively, the external portion of many cable cores (2) is wrapped in internal insulation layer (6).

2. The bending-resistant tensile cable according to claim 1, wherein a plurality of grooves (10) are formed in the inner side of the inner insulating layer (6), the number of the grooves (10) is the same as that of the cable cores (2), the grooves (10) are matched with the cable cores (2), and one side of each of the cable cores (2) is clamped inside the grooves (10).

3. The bending-resistant tensile cable as claimed in claim 1, wherein a buffer hole (9) is formed in the center of the fixing sleeve (7), and the distances between two adjacent wire grooves (8) are the same.

4. The bending-resistant tensile cable according to claim 1, wherein the mesh layer (4) is woven by glass fibers, and the shielding layer (5) is woven by copper wires.

5. A bend-resistant tensile cable according to claim 1, wherein the outer protective layer (3) is made of polyethylene material.

6. The bending-resistant tensile cable according to claim 1, wherein the inner insulating layer (6) is made of PVC material, and the inner wall and the outer wall of the inner insulating layer (6) are coated with fireproof coatings.