CN214279649U

CN214279649U - Resistance to compression tensile cable

Info

Publication number: CN214279649U
Application number: CN202120611258.0U
Authority: CN
Inventors: 耿秋生
Original assignee: Yongli Sanyang Cable Technology Co ltd
Current assignee: Yongli Sanyang Cable Technology Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-09-24
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a resistance to compression tensile cable, including the sinle silk, the sinle silk is located PVC intraductal, and the PVC pipe is located the inner sheath, still is equipped with criss-cross branch post in the inner sheath, and the PVC pipe is located the branch post and separates the position, is equipped with the filling rope simultaneously in the inner sheath, and the inner sheath outside is equipped with shielding insulating layer, tensile layer, compressive layer and oversheath in proper order, and the oversheath section is the setting of triangle-shaped structure, and the sealed air cavity has been preset respectively near the triangle-shaped position in the oversheath. The utility model provides a resistance to compression tensile cable, the structure sets up ingenious and arranges rationally, provides resistance to compression and tensile demand by inside resistance to compression layer and tensile layer when resistance to compression and tensile, simultaneously because the triangular structure of oversheath sets up, known triangle-shaped has structural stability, and the sealed air cavity of collocation uses, and when bearing top pressure after the cable is buried underground, earlier that can be fine is carried out deformation by the oversheath and is offset the part, then by the protection of the conventional resistance to compression layer of inside, the resistance to compression effect of acquisition is obvious.

Description

Resistance to compression tensile cable

Technical Field

The utility model relates to a cable equipment technical field specifically is a resistance to compression tensile cable.

Background

A cable is an electrical energy or signal transmission device made of one or more mutually insulated conductors and an outer insulating protective layer, wires for transmitting electrical power or information from one location to another, or a rope-like cable made by stranding several or groups of wires (at least two in each group), each group of wires being insulated from each other and usually twisted around a center, the whole outer surface being covered with a highly insulating covering.

However, the existing compression-resistant tensile cable mainly depends on the armor layer to perform compression-resistant tensile protection, when the armor layer simultaneously bears compression-resistant and tensile requirements, the armor layer needs to be thickened and other designs are needed, so that the cable is troublesome to do, the compression-resistant tensile performance obtained in practice is not outstanding, the improvement design is greatly different from the actual effect, and the application of the cable is limited. Therefore, the inventor provides the compression-resistant tensile cable by combining various factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance to compression tensile cable 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 resistance to compression tensile cable, includes the sinle silk, the sinle silk is located the PVC intraductal, and the PVC pipe is located the inner sheath, still is equipped with criss-cross column spacer in the inner sheath, and the PVC pipe is located the column spacer position, is equipped with the packing rope simultaneously in the inner sheath, and the inner sheath outside is equipped with shielding insulating layer, tensile layer, compressive layer and oversheath in proper order, and the oversheath section is the triangle-shaped structure setting, and sealed air cavity has been preset respectively near the triangle-shaped position in the oversheath.

Resistance to compression provides resistance to compression and tensile demand by inside resistance to compression layer and tensile layer during resistance to compression and tensile, simultaneously because the triangle-shaped structure of oversheath sets up, known triangle-shaped has structural stability, the sealed air cavity of collocation uses, when bearing top pressure after the cable is buried underground, earlier that can be fine is carried out the deformation by the oversheath and offsets the part, then by the protection of inside conventional resistance to compression layer, the resistance to compression effect that obtains is obvious, when the cable bears the pulling force, the increase structure of oversheath equally can provide suitable offset, thereby make the cable have excellent performance in the aspect of resistance to compression and tensile.

As a further aspect of the present invention: the separation post is the wave structure setting, increases the compressive property of cable, provides extra buffer capacity when the cable is pressed.

As a further aspect of the present invention: the pressure-resistant layer comprises a first thin steel sheet and a second thin steel sheet, the first thin steel sheets and the second thin steel sheets are staggered and overlapped inside and outside, the buffering pressure-resistant capability is obtained through compression deformation of the steel sheets during pressure bearing, and meanwhile, the steel sheets have resilience capability and can restore to the shape after being compressed.

As a further aspect of the present invention: the number of the first thin steel sheets and the number of the second thin steel sheets are four, and the requirements on the diameter of the cable and the pressure resistance are met.

As a further aspect of the present invention: go to the anti-compression layer one side on the tensile layer and preset the steel wire, crisscross winding has first area and the second area of twining on the steel wire, and first area of twining twines the tensile layer setting with the second simultaneously, and the steel wire further increases the whole tensile property of cable, and the steel wire diameter is little simultaneously, does not influence the diameter of cable.

As a further aspect of the present invention: the first winding belt and the second winding belt are made of nylon and glass fiber in a blending mode, strength requirements are met, and meanwhile certain flame retardant performance is achieved.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a resistance to compression tensile cable, the structure sets up ingeniously and arranges rationally, the utility model discloses in resistance to compression and tensile by inside resistance to compression layer and tensile layer provide resistance to compression and tensile demand, simultaneously because the triangle structure of oversheath sets up, known triangle has structural stability, collocation sealed air cavity uses, when bearing the top pressure after the cable is buried underground, can be fine carry out deformation offset part by the oversheath earlier, then by the protection of inside conventional resistance to compression layer, the resistance to compression effect that obtains is obvious, when the cable bears the pulling force, the increase structure of oversheath can provide suitable offset equally, thereby make the cable have excellent performance in resistance to compression and tensile;

2. the utility model further arranges the separation columns in a wave structure, thereby increasing the compression resistance of the cable and providing extra buffer capacity when the cable is compressed;

3. the utility model discloses further by the overlap of staggering inside and outside a plurality of first sheet steel and the second sheet steel, warp through the steel sheet pressurized and obtain buffering compressive capacity during the pressure-bearing, the steel sheet possesses resilience ability simultaneously, can resume the shape after the pressurized.

Drawings

Fig. 1 is a schematic structural diagram of a compression-resistant tensile cable.

Fig. 2 is a schematic structural diagram of a compression-resistant layer in a compression-resistant tensile cable.

Fig. 3 is a top view of a tensile layer in a compression-resistant tensile cable.

Fig. 4 is a partially enlarged view of a tensile layer in a compression-resistant tensile cable.

In the figure: 1. an outer sheath; 11. sealing the air cavity; 2. a pressure resistant layer; 21. a first thin steel sheet; 22. a second thin steel sheet; 3. a tensile layer; 31. a steel wire; 32. a first tape winding; 33. a second tape winding; 4. a shielding insulating layer; 5. an inner sheath; 6. PVC pipes; 7. filling a rope; 8. separating the columns; 9. and a wire core.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a compression-resistant tensile cable includes an outer sheath 1, a compression-resistant layer 2, a tensile layer 3, a shielding insulation layer 4, an inner sheath 5, a PVC pipe 6, a filling rope 7, a spacer column 8 and a wire core 9;

the outer sheath 1, the compression-resistant layer 2, the tensile layer 3, the shielding insulating layer 4, the inner sheath 5, the PVC pipe 6, the filling rope 7, the partition columns 8 and the wire cores 9 are sequentially connected from outside to inside, the section of the outer sheath 1 is arranged in a triangular structure, sealing air cavities 11 are respectively preset in the outer sheath 1 close to the triangular position, the partition columns 8 are located on the inner side of the inner sheath 5, the partition columns 8 are arranged in a wave-shaped structure, the PVC pipe 6 is located between the partition columns 8, the filling rope 7 is filled in the inner sheath 5 outside the PVC pipe 6, and the wire cores 9 are located in the PVC pipe 6;

the anti-pressure layer 2 comprises a first thin steel sheet 21 and a second thin steel sheet 22, the first thin steel sheets 21 and the second thin steel sheets 22 are staggered and overlapped inside and outside, and four first thin steel sheets 21 and four second thin steel sheets 22 are arranged in the embodiment;

the steel wire 31 is arranged on one surface, facing the pressure resistant layer 2, of the tensile layer 3 in advance, the first winding belt 32 and the second winding belt 33 are wound on the steel wire 31 in a staggered mode, the tensile layer 3 is wound by the first winding belt 32 and the second winding belt 33 simultaneously, and the first winding belt 32 and the second winding belt 33 are made of nylon and glass fiber blended yarns.

The utility model discloses a theory of operation is: resistance to compression and tensile demand is provided by inside resistance to compression layer 2 and tensile layer 3 during resistance to compression and tensile, simultaneously because the triangle structure of oversheath 1 sets up, known triangle has structural stability, the sealed air cavity 11 of collocation uses, when bearing the top pressure after the cable is buried underground, the earlier that can be fine is carried out the deformation by the oversheath and is offset the part, then obtain buffering compressive capacity by first sheet steel 21 and second sheet steel 22 compressive deformation, the steel sheet possesses resilience ability simultaneously, can resume the shape after the pressurized, the compressive effect that obtains is obvious, when the cable bears the pulling force, oversheath 1's increase structure equally can provide suitable offset, the setting of steel wire 31 is fixed with the winding of first area 32 and second area 33 of twining simultaneously, increase cable tensile capacity, thereby make the cable have excellent performance in the aspect of resistance to compression and tensile.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a resistance to compression tensile cable, includes sinle silk (9), a serial communication port, sinle silk (9) are located PVC pipe (6), PVC pipe (6) are located inner sheath (5), still be equipped with criss-cross partition post (8) in inner sheath (5), PVC pipe (6) are located partition post (8) and separate the position, be equipped with packing rope (7) in inner sheath (5) simultaneously, the inner sheath (5) outside is equipped with shielding insulating layer (4) in proper order, tensile layer (3), crushing layer (2) and oversheath (1), oversheath (1) section is the setting of triangle-shaped structure, sealed air cavity (11) have been preset respectively near the triangle-shaped position in oversheath (1).

2. The compression-resistant and tension-resistant cable as claimed in claim 1, wherein the separation columns (8) are arranged in a wave-shaped structure.

3. A compression and tension resistant cable as claimed in claim 1, wherein the compression resistant layer (2) comprises a first thin steel sheet (21) and a second thin steel sheet (22), and a plurality of the first thin steel sheets (21) and the second thin steel sheets (22) are staggered and overlapped inside and outside.

4. A compression and tension resistant cable as claimed in claim 3, wherein there are four of the first and second thin steel sheets (21, 22).

5. A compression-resistant and tension-resistant cable according to any one of claims 1 to 4, wherein a steel wire (31) is pre-arranged on the tension-resistant layer (3) facing the compression-resistant layer (2), a first winding band (32) and a second winding band (33) are alternately wound on the steel wire (31), and the first winding band (32) and the second winding band (33) are simultaneously wound on the tension-resistant layer (3).

6. The compression-resistant and tension-resistant cable as claimed in claim 5, wherein the first winding band (32) and the second winding band (33) are made of nylon and glass fiber blended fabric.