CN212541959U

CN212541959U - PUR servo cable

Info

Publication number: CN212541959U
Application number: CN202021474811.2U
Authority: CN
Inventors: 周传华; 孔庆师
Original assignee: Suzhou Deshengheng Cable Technology Co ltd
Current assignee: Suzhou Deshengheng Cable Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-02-12
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a PUR servo cable, including the oversheath, be provided with the filling layer in the oversheath, the oversheath is located the filling layer and is provided with stretch-proofing rope and power sinle silk, the power sinle silk outside is provided with the inner sheath, be provided with interior sand grip on the oversheath inner wall, be provided with the signal line in the interior sand grip, the structure of inner sheath and oversheath is the same, inner sheath and oversheath constitute by PUR layer, first aluminium foil layer, first metallic shield layer and band layer, the band layer outside is provided with first metallic shield layer, the first metallic shield layer outside is provided with first aluminium foil layer, first aluminium foil layer surface is provided with the PUR layer, the signal line comprises nylon layer, second aluminium foil layer, second metallic shield layer and signal sinle silk. The utility model, by arranging the tensile ropes and the inner convex strips, the compression resistance and the compression resistance of the cable are enhanced; the signal wire is arranged in the inner raised line, so that the mutual influence between the power wire and the signal wire can be avoided, and the stability and the accuracy of signal transmission are improved; through the filling layer that sets up, the compressive property of cable has further been strengthened.

Description

PUR servo cable

Technical Field

The utility model relates to the technical field of cables, specifically a PUR servo cable.

Background

With the national emphasis on the high-end equipment manufacturing industry, the servo system technology develops at a high speed along with advanced manufacturing processes such as ultra-high-speed cutting, ultra-precision machining, network manufacturing and the like, and the encoding data and power transmission of the auxiliary servo system are realized by cables.

The existing cable is poor in tensile property and easy to break, so that potential safety hazards are generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PUR servo cable to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a PUR servo cable comprises an outer sheath, wherein a filling layer is arranged in the outer sheath, the outer sheath is positioned in the filling layer and is provided with a tensile rope and a power supply wire core, an inner sheath is arranged on the outer side of the power supply wire core, an inner convex strip is arranged on the inner wall of the outer sheath, a signal wire is arranged in the inner convex strip, the inner sheath and the outer sheath are identical in structure, the inner sheath and the outer sheath are respectively composed of a PUR layer, a first aluminum foil layer, a first metal shielding layer and a belting layer, a first metal shielding layer is arranged on the outer side of the belting layer, a first aluminum foil layer is arranged on the outer side of the first metal shielding layer, a PUR layer is arranged on the outer surface of the first aluminum foil layer, the signal wire is composed of a nylon layer, a second aluminum foil layer, a second metal shielding layer and a signal wire core, a second aluminum foil layer is arranged on, and a nylon layer is arranged on the outer surface of the second aluminum foil layer.

Preferably, the number of the power wire cores is four, the four power wire cores are distributed on the outer side of the tensile rope, and the tensile rope is made of rubber ropes or metal ropes.

Preferably, the inner convex strip and the outer sheath are arranged to be of an integrated structure, the inner convex strip is composed of a PUR layer, a first aluminum foil layer, a first metal shielding layer and a belting layer, the first metal shielding layer is arranged on the outer side of the belting layer, the first aluminum foil layer is arranged on the outer side of the first metal shielding layer, and the PUR layer is arranged on the outer surface of the first aluminum foil layer.

Preferably, the first metal shielding layer is a copper tape braided layer.

Preferably, the second metal shielding layer is a copper tape braided layer.

Compared with the prior art, the beneficial effects of the utility model are that: the compression resistance and compression resistance of the cable are enhanced by arranging the anti-tensile rope and the inner convex strip; the signal wire is arranged in the inner raised line, so that the mutual influence between the power wire and the signal wire can be avoided, and the stability and the accuracy of signal transmission are improved; through the filling layer that sets up, the compressive property of cable has further been strengthened.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

Fig. 2 is a schematic structural diagram of the inner sheath of the present invention.

Fig. 3 is a schematic structural diagram of the signal line of the present invention.

In the figure: 1. an outer sheath; 2. a tensile strand; 3. a filling layer; 4. a power supply wire core; 5. an inner sheath; 6. a signal line; 7. inner convex strips; 501. a PUR layer; 502. a first aluminum foil layer; 503. a first metal shielding layer; 504. A belting layer; 601. a nylon layer; 602. a second aluminum foil layer; 603. a second metal shielding layer; 604. and a signal wire core.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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. 1-3, in an embodiment of the present invention, a PUR servo cable includes an outer sheath 1, a filling layer 3 is disposed in the outer sheath 1, the outer sheath 1 is disposed in the filling layer 3 and provided with a tensile rope 2 and a power core 4, an inner sheath 5 is disposed outside the power core 4, an inner convex strip 7 is disposed on an inner wall of the outer sheath 1, a signal line 6 is disposed in the inner convex strip 7, the inner sheath 5 and the outer sheath 1 have the same structure, the inner sheath 5 and the outer sheath 1 are composed of a PUR layer 501, a first aluminum foil layer 502, a first metal shielding layer 503 and a tape layer 504, the first metal shielding layer 503 is disposed outside the tape layer 504, the first aluminum foil layer 502 is disposed outside the first metal shielding layer 503, the PUR layer 501 is disposed on an outer surface of the first aluminum foil layer 502, the signal line 6 is composed of a nylon layer 601, a second aluminum foil layer 602, and, The cable comprises a second metal shielding layer 603 and signal wire cores 604, the second metal shielding layer 603 is arranged on the outer side of the signal wire cores 604, a second aluminum foil layer 602 is arranged on the outer side of the second metal shielding layer 603, a nylon layer 601 is arranged on the outer surface of the second aluminum foil layer 602, four power wire cores 4 are provided, the four power wire cores 4 are distributed on the outer side of a tensile rope 2, the tensile rope adopts a rubber rope or a metal rope, an inner convex strip 7 and an outer sheath 1 are arranged into an integrated structure, the inner convex strip 7 comprises a PUR layer 501, a first aluminum foil layer 502, a first metal shielding layer 503 and a belting layer 504, the first metal shielding layer 503 is arranged on the outer side of the belting layer 504, the first aluminum foil layer 502 is arranged on the outer surface of the first aluminum foil layer 502, the first metal shielding layer 503 adopts a copper belt braid, the second metal shielding layer 603 is a copper strip braided layer; the compression resistance and compression resistance of the cable are enhanced by arranging the tensile rope 2 and the inner convex strip 7; the signal wire 6 is arranged in the inner raised line 7, so that the mutual influence between the power wire core 4 and the signal wire 6 can be avoided, and the stability and the accuracy of signal transmission are improved; through the filling layer 3, the pressure resistance of the cable is further enhanced.

The utility model discloses a theory of operation is: the compression resistance and compression resistance of the cable are enhanced by arranging the tensile rope 2 and the inner convex strip 7; the signal wire 6 is arranged in the inner convex strip 7, so that the mutual influence between the power wire core 4 and the signal wire 6 can be avoided, and the stability and the accuracy of signal transmission are improved; through the filling layer 3, the pressure resistance of the cable is further enhanced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A PUR servo cable comprising an outer sheath (1), characterized in that: the cable is characterized in that a filling layer (3) is arranged in the outer sheath (1), the outer sheath (1) is positioned in the filling layer (3) and is provided with a tensile rope (2) and a power supply wire core (4), an inner sheath (5) is arranged on the outer side of the power supply wire core (4), an inner raised line (7) is arranged on the inner wall of the outer sheath (1), a signal line (6) is arranged in the inner raised line (7), the inner sheath (5) and the outer sheath (1) are identical in structure, the inner sheath (5) and the outer sheath (1) are composed of a PUR layer (501), a first aluminum foil layer (502), a first metal shielding layer (503) and a belting layer (504), a first metal shielding layer (503) is arranged on the outer side of the belting layer (504), a first aluminum foil layer (502) is arranged on the outer surface of the first aluminum foil layer (502), a PUR layer (501), the signal line (6) comprises a nylon layer (601), a second aluminum foil layer (602), a second metal shielding layer (603) and a signal wire core (604), the second metal shielding layer (603) is arranged on the outer side of the signal wire core (604), the second aluminum foil layer (602) is arranged on the outer side of the second metal shielding layer (603), and the nylon layer (601) is arranged on the outer surface of the second aluminum foil layer (602).

2. A PUR servo cable according to claim 1, wherein: the anti-stretching rope is characterized in that four power wire cores (4) are arranged, the four power wire cores (4) are distributed on the outer side of the anti-stretching rope (2), and the anti-stretching rope is made of rubber ropes or metal ropes.

3. A PUR servo cable according to claim 1, wherein: interior sand grip (7) and oversheath (1) set up to integral type structure, interior sand grip (7) comprise PUR layer (501), first aluminium foil layer (502), first metal shielding layer (503) and band layer (504), the band layer (504) outside is provided with first metal shielding layer (503), first metal shielding layer (503) outside is provided with first aluminium foil layer (502), first aluminium foil layer (502) surface is provided with PUR layer (501).

4. A PUR servo cable according to claim 1 or 3, wherein: the first metal shielding layer (503) is a copper strip braided layer.

5. A PUR servo cable according to claim 1, wherein: the second metal shielding layer (603) is a copper strip braided layer.