CN212782765U

CN212782765U - Anti-twisting elevator cable

Info

Publication number: CN212782765U
Application number: CN202022110479.8U
Authority: CN
Inventors: 翁建; 孙琦铭; 马炳峰
Original assignee: Hangzhou Linan Senyuan Electric Cable Co ltd
Current assignee: Hangzhou Linan Senyuan Electric Cable Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-03-23
Anticipated expiration: 2030-09-23

Abstract

The utility model provides a prevent elevator cable of buckling, including the PVC sheath, two sets of first pencil cores are installed to the inboard side by side symmetry of PVC sheath, and the second pencil core is installed to the inboard center department symmetry of PVC sheath, and the outside of two sets of second pencil cores is equipped with a set of third pencil core and fourth pencil core relatively, and the steel wire is all installed to one side that second pencil core was kept away from to third pencil core and fourth pencil core, and the last lower extreme of PVC sheath all is equipped with the cooling trough side by side symmetry. The utility model discloses having strengthened the hardness of PVC sheath, having strengthened the hardness of flat cable, having the effect that prevents the distortion, change the hank of pencil silk to, the hank that makes close every group of pencil silk is opposite to the structure of adjustment flat cable is arranged and the pitch of inside sinle silk, through extension cooling trough, has accelerated the cooling of cable, reduces the cable because the high condition that leads to receiving the dish utensil on appearance extrusion deformation of temperature, the effectual anti-twist performance that improves the cable.

Description

Anti-twisting elevator cable

Technical Field

The utility model mainly relates to the technical field of elevator cables, specifically to an anti-twist elevator cable.

Background

Among the prior art, elevator cable adopts the flat cable mostly, and the most hardness of current flat cable is lower, consequently takes place the distortion easily, makes the cable warp, leads to the cable to damage easily, is unfavorable for transmission signal.

According to patent document application No. 201620228357.X, a novel elevator cable is provided, which comprises a control core wire, a sheath, at least two communication units, wherein the control core wire and the at least two communication units are all arranged in the sheath, the at least two communication units are arranged in the middle position in the sheath of the novel elevator cable, the control core wire is arranged on two sides of the control core wire, although the service life of the communication cable can be prolonged, the maintenance cost is reduced, the anti-twisting performance of the cable is not improved, and the cable is easy to deform.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a prevent elevator cable of distortion for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides an elevator cable of preventing buckling, includes the PVC sheath, two sets of first pencil cores are installed to the inboard side by side symmetry of PVC sheath, the inboard center department symmetry of PVC sheath installs second pencil core, and is two sets of the outside of second pencil core is equipped with a set of third pencil core and fourth pencil core relatively, the steel wire is all installed to one side that second pencil core was kept away from to third pencil core and fourth pencil core, just the upper and lower end of PVC sheath all is equipped with the cooling trough by side symmetry.

Preferably, every group first pencil core and fourth pencil core all include the main line core, every radially be the annular array equipartition on the periphery wall of main line core and have a plurality of auxiliary line cores, every all fixed parcel has first insulating layer on the outer wall of auxiliary line core.

Preferably, each group of the second wire harness cores comprises a first wire core and a second wire core, the first wire core and the second wire core are arranged in an annular array along the radial direction, and the first wire core and the second wire core are arranged in a staggered mode.

Preferably, a second insulating layer is fixedly wrapped on the outer wall of the second wire core.

Preferably, each cooling water tank is of a V-shaped structure, the depth of each cooling water tank is 1.2mm, and the width of each cooling water tank is 5 mm. .

Preferably, the distance between each of the steel wires and the first harness core is 2 mm.

Preferably, the number of cores of the bundle core within the PVC sheath decreases from the outside to the inside.

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

the utility model discloses strengthened the hardness of PVC sheath, strengthen the hardness of flat cable through the hardness that changes the PVC sheath, the effect that prevents distortion has, change the hank direction of pencil silk, make the hank direction of close every group of pencil silk opposite, and adjust the structural arrangement of flat cable, make the pencil core of left and right sides carry out reasonable distribution, bilateral symmetry distributes, the core number reduces the distribution from outside to inside, adjust the pitch of inside sinle silk, through lengthening the cooling trough, accelerated the cooling of cable, reduce the cable because the high condition that leads to the appearance on receiving the dish utensil and extrude the deformation of temperature, the effectual anti-twist performance who improves the cable; the tensile strength of the cable is improved through the arranged steel wires.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the PVC sheath structure of the present invention.

In the figure: 1. a PVC sheath; 2. a first harness core; 21. a main wire core; 22. an auxiliary wire core; 221. a first insulating layer; 3. a second harness core; 31. a second wire core; 311. a second insulating layer; 32. a first wire core; 4. a third bundle core; 5. a steel wire; 6. a fourth wire harness core; 7. a cooling water tank.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment, referring to fig. 1 and 2, an anti-twisting elevator cable comprises a PVC sheath 1, wherein a flat cable is reinforced in hardness by designing a PVC material, twisting is prevented by changing the hardness of the PVC material, two groups of first harness cores 2 are symmetrically installed inside the PVC sheath 1 side by side, a second harness core 3 is symmetrically installed at the center of the inside of the PVC sheath 1, a group of third harness cores 4 and fourth harness cores 6 are oppositely arranged at the outer sides of the two groups of second harness cores 3, the twisting direction of the harness wires is changed to be opposite to that of each group of the similar harness wires, the pitch of the inner harness cores is adjusted to be adjusted by taking the value of 10 times of the outer diameter of the standard wire cores as the pitch, steel wires 5 are installed at the sides of the third harness core 4 and the fourth harness cores 6 far away from the second harness cores 3, and the distance between each steel wire 5 and the first harness core 2 is 2mm, the tensile strength of the cable is improved through the steel wire 5 that sets up, the upper and lower end of PVC sheath 1 all is equipped with cooling trough 7, every side by side the symmetry the cooling trough 7 is V type structure, every the degree of depth of cooling trough 7 is 1.2mm, every the width of cooling trough 7 is 5mm, should add long cooling trough 7, and former cooling trough 7 is short, and the cable temperature is still than higher when receiving the line frame after the cable cooling is accomplished, leads to the cable to receive and takes place the extrusion deformation easily when the dish utensil.

In an embodiment, referring to fig. 1 and 2, each of the first harness core 2 and the fourth harness core 6 includes a main core 21, a plurality of auxiliary cores 22 are uniformly distributed on the outer peripheral wall of each of the main cores 21 in a radial annular array, a first insulating layer 221 is fixedly wrapped on the outer wall of each of the auxiliary cores 22, each of the second harness cores 3 includes a first harness core 32 and a second harness core 31, the first harness core 32 and the second harness core 31 are arranged in a radial annular array, the first harness core 32 and the second harness core 31 are arranged in a staggered manner, a second insulating layer 311 is fixedly wrapped on the outer wall of the second harness core 31, the number of the harness cores in the PVC jacket 1 is decreased from outside to inside, the structural arrangement of the flat cable is adjusted, the harness cores on the left side and the right side are reasonably distributed, and the harness cores on the left side and the right side are symmetrically distributed, and the number of the harness cores is decreased from outside to inside.

The utility model discloses a concrete operation as follows:

the hardness of a flat cable is enhanced by designing a PVC material, the distortion is prevented by changing the hardness of the PVC material, the twisting direction of a wire harness is changed, the twisting direction of each group of similar wire harness is opposite, the structural arrangement of the flat cable is adjusted, wire harness cores on the left side and the right side are reasonably distributed and are bilaterally symmetrically distributed, the number of the cores is reduced and distributed from outside to inside, the pitch of the inner wire cores is adjusted, the adjustment can be carried out by taking the 10-fold value of the outer diameter of each wire core specified by a standard as the pitch, the tensile strength of the cable is improved by the arranged steel wire 5, the cooling water tank 7 is lengthened, the cooling of the cable is accelerated, and the condition that the cable is extruded and deformed on a coiling tool due to high temperature is reduced.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides an elevator cable of preventing buckling, includes PVC sheath (1), its characterized in that, two sets of first pencil cores (2) are installed to the inboard side by side symmetry of PVC sheath (1), second pencil core (3) are installed to the center department symmetry of PVC sheath (1) inboard, and are two sets of the outside of second pencil core (3) is equipped with a set of third pencil core (4) and fourth pencil core (6) relatively, one side that second pencil core (3) were kept away from in third pencil core (4) and fourth pencil core (6) all installs steel wire (5), just the upper and lower end of PVC sheath (1) all is equipped with cooling trough (7) by side the symmetry.

2. The anti-twisting elevator cable according to claim 1, wherein each group of the first harness core (2) and the fourth harness core (6) comprises a main core (21), a plurality of auxiliary cores (22) are uniformly distributed on the outer peripheral wall of each main core (21) along a radial direction in an annular array, and a first insulating layer (221) is fixedly wrapped on the outer wall of each auxiliary core (22).

3. An anti-twisting elevator cable according to claim 1, wherein each group of the second bundle cores (3) comprises a first core (32) and a second core (31), the first core (32) and the second core (31) are radially arranged in an annular array, and the first core (32) and the second core (31) are arranged in a staggered manner.

4. The anti-twisting elevator cable according to claim 3, wherein the second core (31) is fixedly wrapped with a second insulation layer (311) on the outer wall.

5. An anti-twisting elevator cable according to claim 1, wherein each cooling water tank (7) is of a V-shaped structure, the depth of each cooling water tank (7) is 1.2mm, and the width of each cooling water tank (7) is 5 mm.

6. An anti-twisting elevator cable according to claim 1, characterized in that the distance between each steel wire (5) and the first strand core (2) is 2 mm.

7. Anti-twisting elevator cable according to claim 1, characterized in that the core number of the bundle core within the PVC jacket (1) decreases from the outside to the inside.