CN216772876U

CN216772876U - Long-life PUR net twine for tow chain

Info

Publication number: CN216772876U
Application number: CN202220441803.0U
Authority: CN
Inventors: 陈奔; 陈通; 沈旭
Original assignee: Shanghai Guqian Intelligent Transmission Co ltd
Current assignee: Shanghai Guqian Intelligent Transmission Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-17
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to a technical field of net twine discloses a PUR net twine for high life tow chain, and it includes the oversheath layer, is provided with the shielding layer in the oversheath layer, wears to be equipped with four stranded conductor groups, four packing and center tensile core in the shielding layer, and stranded conductor group and packing are twisted together the setting on center tensile core outer wall, and stranded conductor group wears to be equipped with two transmission lines that the transposition set up including the packing in the packing. This application has the life's of improvement net twine effect.

Description

Long-life PUR net twine for tow chain

Technical Field

The application relates to the technical field of network cables, in particular to a long-life PUR network cable for a drag chain.

Background

At present, a network cable is an indispensable medium for connecting a local area network, and the common network cables in the local area network mainly include a twisted pair cable, a coaxial cable and an optical cable. In the prior art, the network cable comprises an outer sleeve layer, a conductor penetrates through the outer sleeve layer, and an insulating layer is coated on the outer wall of the conductor. In order to protect the net cable better, the net cable is usually placed in a drag chain, and the net cable is driven to move through bending and moving of the drag chain.

In view of the above-mentioned related technologies, the inventor thinks that when the existing net cable is put into the drag chain, the drag chain is bent during use, which may cause the net cable to break during use, and seriously affect the service life of the net cable, so there is a need for improvement.

SUMMERY OF THE UTILITY MODEL

In order to prolong the service life of the net twine, the PUR net twine for the long-life drag chain is provided.

The application provides a long-life PUR net twine for tow chain adopts following technical scheme:

the utility model provides a PUR net twine for high life tow chain, includes the oversheath layer, be provided with the shielding layer in the oversheath layer, wear to be equipped with four hank group, four packing and central tensile core in the shielding layer, hank group with the packing in common transposition setting on the central tensile core outer wall, the hank group is including the packing, wear to be equipped with two transmission lines that the transposition set up in the packing.

By adopting the technical scheme, when the device works, the network cable is placed in the drag chain, and information is transmitted through the eight transmission lines; adopt such design, through being in the same place two transmission strip twists and use the filling layer to wrap, again with four hank group and four filling strip twists the setting on central tensile core outer wall of cladding, the setting of transmission line through the both sides transposition can effectively reduce the influence to the transmission line when net twine is buckled, reduces the contact between the transmission line in each hank group through the filling layer, can improve the joint strength of net twine effectively through central tensile core and filling strip, improves the life of net twine.

Preferably, a heat-resistant layer is arranged between the shielding layer and the outer sheath layer, and the heat-resistant layer is made of chlorinated polyethylene materials.

By adopting the technical scheme, the heat resistance of the net wires can be improved by adding the heat-resistant layer, the phenomenon that the net wires are easy to break due to high temperature is reduced, and the service life of the net wires is prolonged.

Preferably, the transmission line comprises a transmission conductor and an insulator for coating the transmission conductor, and the insulator is made of polyethylene material.

By adopting the technical scheme and the insulator made of polyethylene, the impact resistance of the transmission line can be improved, the capability of the transmission line adapting to high temperature and low temperature is improved, and the service life of the network cable is prolonged.

Preferably, the material of the filling layer is TPEE.

Through adopting above-mentioned technical scheme, the filling layer that uses the TPEE preparation can carry out the cladding transmission line better, avoids the in-process transmission line position that the net twine removed to take place to remove to reduce the destroyed possibility of transmission line outer wall, improve the life of net twine.

Preferably, the shielding layer is a non-woven fabric layer.

Through adopting above-mentioned technical scheme, adopt comparatively light non-woven fabrics preparation shielding layer, can be in the same place the winding more firmly with the filler strip, reduce and cause the winding to organize when the net twine is buckled and take place to remove, reduce the damage to the transmission line, improve the life of net twine.

Preferably, the outer sheath layer is one of a PUR sheath layer, a TPE sheath layer and a TPV sheath layer.

Through adopting above-mentioned technical scheme, adopt one of them oversheath layer of making of PUR restrictive coating, TPE restrictive coating, TPV restrictive coating, can increase the performances such as wear-resisting, tensile, heat-resisting of oversheath layer, reduce the net twine and take place the harm in the in-process that uses, improve the life of net twine.

Preferably, the material of the filling strip is PP.

By adopting the technical scheme, the twisted wire group can be better attached to the filling strip made of PP (polypropylene), the possibility of movement of the twisted wire group is reduced, and the service life of the network cable is prolonged.

Preferably, the central tensile core is a nylon rope.

Through adopting above-mentioned technical scheme, adopt the nylon rope can improve the joint strength of net twine, avoid the net twine to produce the harm at tensile in-process.

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

the twisted wire group is formed by twisting two transmission wires and coating the filling layer on the transmission wires, and the twisted wire group and the filling strips are twisted together, so that the connection strength of the network wires can be improved, the contact among the transmission wires can be reduced, the possibility of damaging the transmission wires is reduced, and the service life of the network wires is prolonged;

the heat-resistant layer made of the chlorinated polyethylene material can effectively improve the heat resistance of the network cable, avoid the influence of high temperature on the connection strength of the network cable, improve the adaptability of the network cable to high-temperature river-surrounding environment, improve the convenience of the network cable in use and prolong the service life of the network cable;

the filling layer made of TPEE can better coat the transmission line, avoid the damage of the insulating layer when the network cable is bent, improve the connection strength of the twisted line group and prolong the service life of the network cable.

Drawings

Fig. 1 is a schematic structural diagram of a PUR cable for a long-life tow chain according to an embodiment of the present disclosure.

Reference numerals: 1. an outer jacket layer; 2. a heat-resistant layer; 3. a shielding layer; 4. filling the strip; 5. a central tensile core; 6. a twisted wire group; 61. a filling layer; 62. a transmission line; 621. a transmission conductor; 622. an insulator.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a long-life PUR network cable for a tow chain.

Referring to fig. 1, a long-life PUR net twine for tow chain, including oversheath layer 1, oversheath layer 1 is PUR restrictive coating, TPE restrictive coating, TPV restrictive coating one of them, oversheath layer 1 internal fixation has shielding layer 3, shielding layer 3 is the non-woven fabrics layer, wear to be equipped with four hank group 6 in the shielding layer 3, four packing 4 and central tensile core 5, the material of packing 4 is PP, central tensile core 5 is the nylon rope, four packing 4 and four hank group 6 respectively in central tensile core 5 outer wall circumference array, packing 4 and the fixed and common transposition setting of stranded conductor group 6 interval, stranded conductor group 6 includes packing 61, wears to be equipped with two transmission lines 62 that the transposition set up in the packing 61.

By adopting the design, the eight transmission lines 62 can be divided into four groups to be respectively stranded, and then the four groups of stranded wires 6 are stranded again, so that the compactness among the transmission lines 62 can be improved, and the movement of the transmission lines 62 in the bending process can be reduced; each group of the twisted wire groups 6 is protected by the filling layer 61, so that the friction between the adjacent twisted wire groups 6 can be avoided, and the connection strength of the net wires can be improved; the connection strength of the net wires can be enhanced through the central tensile core 5 and the filling strips 4; by adopting the design, the connection strength of the net cable in use can be effectively enhanced, the situation that the net cable is broken can be effectively avoided, and the service life of the net cable is prolonged.

A heat-resistant layer 2 is fixed between the shielding layer 3 and the outer sheath layer 1, and the heat-resistant layer 2 is a chlorinated polyethylene material. Can improve the heat resistance of net twine through setting up heat-resistant layer 2, avoid improving the life of net twine because the joint strength of high temperature influence net twine. The transmission line 62 comprises a transmission conductor 621 and an insulator 622 used for wrapping the transmission conductor 621, the transmission conductor 621 is a tin-plated copper conductor, the insulator 622 is made of polyethylene material, the material of the filling layer 61 on the outer wall of the transmission line 62 is TPEE, the connection strength of the stranded wire group 6 can be improved by adopting the design, the condition that the stranded wire group 6 is broken is avoided, and the service life of the network cable is prolonged.

The implementation principle of the long-life PUR network cable for the tow chain is as follows: during operation, the net twine is put into the tow chain, carries out the transmission information through 8 transmission lines 62. By adopting the design, the connection strength of the connecting line can be enhanced through the central tensile core 5, and the damage to the transmission line 62 caused by stretching the net wire is avoided; the four filling strips 4 made of PP materials are stranded with the stranded wire group 6 together, so that the movement of the stranded wire group 6 during the bending of the net wire can be reduced, and the connection strength of the net wire can be enhanced; by twisting the two transmission lines 62 and arranging the filling layer 61 made of the TPEE material on the twisted transmission lines 62, not only the transmission lines 62 can be more stably fixed, but also the connection strength of the twisted line group 6 can be improved; by adopting the design, the damage of the bent and stretched net wires to the net wires can be effectively avoided, the occurrence of the breakage of the net wires is reduced, and the service life of the net wires is prolonged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A long-life PUR net twine for tow chain which characterized in that: including oversheath layer (1), be provided with shielding layer (3) in oversheath layer (1), wear to be equipped with four hank group (6), four packing (4) and center tensile core (5) in shielding layer (3), hank group (6) with packing (4) in common transposition setting on center tensile core (5) outer wall, hank group (6) are including filling layer (61), wear to be equipped with two transmission lines (62) that the transposition set up in filling layer (61).

2. The PUR cable for a long-life tow chain according to claim 1, wherein: a heat-resistant layer (2) is arranged between the shielding layer (3) and the outer sheath layer (1), and the heat-resistant layer (2) is made of chlorinated polyethylene.

3. The PUR cable for a long-life tow chain according to claim 1, wherein: the transmission line (62) comprises a transmission conductor (621) and an insulator (622) for coating the transmission conductor (621), wherein the material of the insulator (622) is polyethylene material.

4. The PUR cable for a long-life tow chain according to claim 3, wherein: the material of the filling layer (61) is TPEE.

5. The PUR cable for a long-life tow chain according to claim 1, wherein: the shielding layer (3) is a non-woven fabric layer.

6. The PUR cable for a long-life tow chain according to claim 1, wherein: the outer sheath layer (1) is one of a PUR sheath layer, a TPE sheath layer and a TPV sheath layer.

7. The PUR cable for a long-life tow chain according to claim 1, wherein: the material of the filling strip (4) is PP.

8. The PUR cable for a long-life tow chain according to claim 1, wherein: the central tensile core (5) is a nylon rope.