CN211578401U

CN211578401U - Tensile dragging cable with tension protection

Info

Publication number: CN211578401U
Application number: CN201921634646.XU
Authority: CN
Inventors: 顾怀彪; 王志钧; 陈猛; 赵小利; 张吉者
Original assignee: Standard Soft Special Cable Shanghai Co ltd
Current assignee: Standard Soft Special Cable Shanghai Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-09-25
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a tensile drag cable with tension protection, including the cable main part, the cable main part includes protective outer cover, power supply unit and communication control unit, and power supply unit and communication control unit all locate in the protective outer cover, and communication control unit includes interior lag, center sleeve pipe, control line and optic fibre, and the surface of interior lag covers a layer shielding layer, and center sleeve pipe is located the center of interior lag, is equipped with support piece between center sleeve pipe and the interior lag; a plurality of steel wires are arranged in the protective outer sleeve, a plurality of metal sleeves distributed at equal intervals are arranged outside the protective outer sleeve, gaps are arranged between every two adjacent metal sleeves, and annular blocking discs are arranged at two ends of each metal sleeve; the utility model discloses at protection overcoat surface design metal sleeve, make its and drag chain combination formula can avoid the friction between cable main part and the drag chain backup pad, very big reduction the wearing and tearing of cable main part to avoid the too big slippage that produces of pulling force, factor of safety is high.

Description

Tensile dragging cable with tension protection

Technical Field

The utility model belongs to the technical field of the cable technology and specifically relates to a tensile pull cable with pulling force protection.

Background

Dragging cables, namely flexible dragging cables applied to various mechanical equipment, such as port and pier mechanical equipment, transportation machinery, conveyors, hoisting equipment and cable retractors; the method is applied to various severe environments such as mines, oil wells, nuclear power stations, ships and gantry cranes, frequent movement, much oil pollution, high and low temperature, acid and alkali corrosion, sea surface and the like.

The high-flexibility towline cable is suitable for data and signal transmission in a mobile towline system of electronic control equipment, mechanical equipment such as a machine tool and the like. The quick-moving device is widely applied to dry or wet indoor towline systems which do not have forced pulling force in reciprocating free bending movement.

Although the tow chain can play fine guard action to dragging the cable, because the tow chain adopts backup pad 21 to support dragging the cable, consequently drag the cable and produce the damage also can produce to dragging the cable to the friction that relative slip produced between cable and the tow chain in the course of the work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an avoid pulling the friction between cable and the tow chain, reduce the tensile drag cable that has the pulling force protection of the wearing and tearing of drag cable.

In order to achieve the above object, the utility model provides a following technical scheme: a tensile drag cable with tension protection comprises a cable main body, wherein the cable main body comprises a protective outer sleeve, a power supply unit and a communication control line, the power supply unit and the communication control line are both arranged in the protective outer sleeve, the communication control line comprises an inner protective sleeve, a central sleeve, four control lines and optical fibers, a shielding layer covers the outer surface of the inner protective sleeve, the central sleeve is positioned in the center of the inner protective sleeve, a supporting piece is arranged between the central sleeve and the inner protective sleeve and is connected with the central sleeve and the inner protective sleeve, the four supporting pieces are uniformly distributed in an annular array mode by taking the central sleeve as the center, the control line is arranged in a gap between every two adjacent supporting pieces, and the optical fibers are arranged in; the power supply unit comprises a plurality of power supply lines distributed between the inner protective sleeve and the protective outer sleeve; a plurality of steel wires are arranged in the protective outer sleeve, a plurality of metal sleeves distributed at equal intervals are arranged outside the protective outer sleeve, gaps are arranged between every two adjacent metal sleeves, and annular blocking discs are arranged at two ends of each metal sleeve.

As a further aspect of the present invention: the optical fiber comprises a fiber core, a fiber cladding and a fiber coating, wherein the fiber core, the fiber cladding and the fiber coating are sequentially arranged from inside to outside.

As a further aspect of the present invention: the control line comprises a control line core, and a control line insulating layer is wrapped outside the control line core.

As a further aspect of the present invention: the power supply line includes the power supply sinle silk, and the outside parcel power supply line insulating layer of power supply sinle silk.

As a further aspect of the present invention: the metal sleeve and the annular baffle disc are of an integrated structure.

As a further aspect of the present invention: the diameter of the metal sleeve is smaller than the outer diameter of the protective outer sleeve, and the protective outer sleeve is provided with an annular groove matched with the metal sleeve.

As a further aspect of the present invention: the metal sleeve consists of two parts, namely an upper semicircular part and a lower semicircular part, wherein connecting lugs are arranged on two sides of the two semicircular parts and fixedly connected with each other through bolts.

Compared with the prior art, the beneficial effects of the utility model are that: according to the tensile drag cable with the tension protection, the metal sleeve is designed on the surface of the protective outer sleeve, so that the metal sleeve is combined with the drag chain to avoid friction between a cable main body and a drag chain supporting plate, the abrasion of the cable main body is greatly reduced, the slipping caused by overlarge tension is avoided, and the safety coefficient is high;

the utility model discloses design power supply unit and communication control line in the protective sheath, can realize power supply, control and harmless communication transmission, optic fibre setting reduces the pressure that receives in central sleeve pipe, designs support piece between central sleeve pipe and the interior lag, improves the compressive strength of interior lag to at clearance design control line, design benefit.

Drawings

Fig. 1 is a schematic cross-sectional view of a cable body of the present invention;

fig. 2 is a schematic cross-sectional view of a communication control line according to the present invention;

fig. 3 is a schematic view of the external structure of the cable main body of the present invention;

fig. 4 is a schematic diagram of the combination of the present invention and the support plate of the drag chain.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a tensile pull cable with tension protection includes a cable main body 1, where the cable main body 1 includes a protective outer jacket 2, a power supply unit and a communication control line, the power supply unit and the communication control line are both disposed in the protective outer jacket 2, the communication control line includes an inner protective jacket 4, a central sleeve 5, a control line 6 and an optical fiber 7, a shielding layer 8 covers an outer surface of the inner protective jacket 4, the central sleeve 5 is located at a center of the inner protective jacket 4, a supporting member 9 is disposed between the central sleeve 5 and the inner protective jacket 4, the supporting member 9 connects the central sleeve 5 and the inner protective jacket 4, the four supporting members 9 are uniformly distributed in an annular array with the central sleeve 5 as a center, the control line 6 is disposed in a gap between two adjacent supporting members 9, and the optical fiber 7 is disposed; the power supply unit comprises a plurality of power supply lines 3 distributed between the inner protective sleeve 4 and the protective outer sleeve 2;

be equipped with several steel wire line 10 in the protective outer cover 2 for strengthen protective outer cover 2's intensity, protective outer cover 2's outside is equipped with the metal sleeve 11 that the several equidistance distributes, is equipped with the clearance between the adjacent metal sleeve 11, and metal sleeve 11's both ends are equipped with annular fender dish 12. The principle of the design is that the metal sleeve 11 is designed on the surface of the protective outer sleeve 2, the metal sleeve 11 is contacted with the support plate 21 of the drag chain, and the annular blocking discs 12 at the two ends of the metal sleeve 11 can be matched with the support plate 21 of the drag chain to limit the relative sliding distance between the cable main body 1 and the support plate 21 and avoid slipping; during specific installation, the split type supporting plate 21 is matched and is formed by combining an inner supporting plate 21 and an outer supporting plate 21, the cable main body 1 is firstly installed on the outer supporting plate 21 of the drag chain, then the inner supporting plate 21 is installed on the drag chain, and installation of the cable main body 1 is completed.

Further, the optical fiber 7 includes a fiber core, a fiber cladding and a fiber coating, which are sequentially disposed from inside to outside. The fiber core adopts polymer optical fiber and has good bending resistance.

Further, the control line 6 comprises a control line core, and a control line insulating layer is wrapped outside the control line core.

Further, power supply line 3 includes the power supply sinle silk, and the outside parcel power supply line insulating layer of power supply sinle silk.

Further, the metal sleeve 11 and the annular baffle disc 12 are of an integrated structure.

Further, the diameter of the metal sleeve 11 is smaller than the outer diameter of the protective outer sleeve 2, and the protective outer sleeve 2 is provided with a ring groove matched with the metal sleeve 11. The metal sleeve 11 is embedded into the ring groove, so that the connection stability is improved.

Further, the metal sleeve 11 may be composed of two parts, which are divided into an upper semicircular part and a lower semicircular part, wherein two sides of the two semicircular parts are provided with connecting lugs, and the connecting lugs of the two semicircular parts are fixedly connected through bolts. The installation is convenient.

The utility model discloses a structural feature and theory of operation: the utility model discloses design power supply unit and communication control line in protective outer cover 2, be equipped with the shielding between communication control line and the power supply unit, design control line 6 and optic fibre 7 in the communication control line can realize control and harmless communication transmission, and optic fibre 7 sets up and reduces the pressure that receives in central sleeve pipe 5, designs support piece 9 between central sleeve pipe 5 and interior lag 4, improves the compressive strength of interior lag 4 to at clearance design control line 6, design benefit;

in addition, on the one hand the utility model discloses at 2 surface design metal sleeves 11 of protective sheath, make it can avoid the friction between cable main part 1 and tow chain backup pad 21 with the tow chain combination formula. The abrasion of the cable main body 1 is greatly reduced, the slipping caused by overlarge pulling force is avoided, and the safety factor is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tensile drag cable with tension protection comprises a cable main body and is characterized in that the cable main body comprises a protective outer sleeve, a power supply unit and a communication control line, the power supply unit and the communication control line are both arranged in the protective outer sleeve, the communication control line comprises an inner protective sleeve, a central sleeve, four control lines and optical fibers, a shielding layer covers the outer surface of the inner protective sleeve, the central sleeve is positioned in the center of the inner protective sleeve, a supporting piece is arranged between the central sleeve and the inner protective sleeve and connected with the central sleeve and the inner protective sleeve, the four supporting pieces are uniformly distributed in an annular array by taking the central sleeve as the center, the control line is arranged in a gap between every two adjacent supporting pieces, and the optical fibers are arranged in the central sleeve; the power supply unit comprises a plurality of power supply lines distributed between the inner protective sleeve and the protective outer sleeve; a plurality of steel wires are arranged in the protective outer sleeve, a plurality of metal sleeves distributed at equal intervals are arranged outside the protective outer sleeve, gaps are arranged between every two adjacent metal sleeves, and annular blocking discs are arranged at two ends of each metal sleeve.

2. The tensile towing cable with tension protection according to claim 1, wherein the optical fiber comprises a fiber core, a fiber cladding and a fiber coating, and the fiber core, the fiber cladding and the fiber coating are sequentially arranged from inside to outside.

3. The tensile drag cable with tension protection of claim 1, wherein the control wire comprises a control wire core, and the control wire core is externally wrapped by a control wire insulation layer.

4. The tension resistant trailing cable with tension protection as claimed in claim 1 wherein the power supply line includes a power supply core, the power supply core being externally wrapped by a power supply line insulation layer.

5. A tension resistant trailing cable with tension protection as claimed in claim 1 wherein the metal sleeve and annular disc are of unitary construction.

6. A tensile drag cable with tension protection in accordance with claim 1 wherein the diameter of said metal sleeve is less than the outer diameter of the protective outer jacket, the protective outer jacket having an annular groove for engaging the metal sleeve.

7. The tensile towing cable with tension protection as claimed in claim 1, wherein the metal sleeve is composed of two parts, which are an upper half circle part and a lower half circle part, and the two sides of the two half circle parts are provided with connecting lugs, and the connecting lugs of the two half circle parts are fixedly connected with each other through bolts.