CN110767369A

CN110767369A - Abrasion-resistant cable with frequently-moved winding drum

Info

Publication number: CN110767369A
Application number: CN201911128517.8A
Authority: CN
Inventors: 肖国兵; 卢英超; 孙宗飞
Original assignee: Anhui Feixiang Special Cable Co Ltd
Current assignee: Anhui Feixiang Special Cable Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-02-07

Abstract

The invention discloses a wear-resistant cable with a frequently moving winding drum, which comprises an outer protection layer and a plurality of inner skins, wherein the inner skins are wrapped with a plurality of first leads, the protection layer comprises a second isolation skin, a third isolation skin and a plurality of first isolation skins, a support is arranged in the third isolation skin, a plurality of clamping grooves corresponding to the inner skins are formed in the support, the inner skins are respectively clamped in the clamping grooves, the first isolation skins are sequentially sleeved on the outer side of the third isolation skin, and the second isolation skin is rotatably arranged between the first isolation skin and the third isolation skin. According to the invention, the first isolation outer skin capable of freely rotating is arranged on the outermost layer of the cable, when the cable is moved, the first isolation outer skin rotates along with the movement, and the basic angle of the second isolation outer skin and the third isolation outer skin inside is kept unchanged, so that the damage to the internal lead caused by abrasion in the moving process is effectively avoided.

Description

Abrasion-resistant cable with frequently-moved winding drum

Technical Field

The invention relates to the technical field of cables, in particular to a wear-resistant cable with a frequently-moving winding drum.

Background

The cable plays an important role in life, and generally comprises a plurality of wires or a plurality of groups of wires, the wires are used for transmitting power or information from one place to another place, the wires are separated from the wires through insulating skins, and the cable has the characteristics of internal electrification and external insulation.

The cable is generally buried underground, marks are marked on the road surface, the cable is difficult to pull in the burying process due to the fact that the cable is generally wound together in the repairing and burying process, the cable is rubbed with the road surface and has large damage to the outer skin, and the cable placed in a machine room is frequently moved due to the fact that the cable is exposed outside for a long time, rubs with the ground in the moving process, and the outer skin is easy to damage due to long-term friction.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the cable is easy to damage the outer skin due to frequent moving friction in the using process, and the proposed drum frequently moves the wear-resistant cable.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a reel frequently removes wear-resisting cable, includes outer protective layer and a plurality of interior epidermis, the interior epidermis parcel has a plurality of first wires, the protective layer includes the isolated crust of second, the isolated crust of third and a plurality of first isolated crust, be provided with the support in the isolated crust of third, set up a plurality of draw-in grooves that correspond with the interior epidermis on the support, it is a plurality of interior epidermis difference joint is in the draw-in groove, it is a plurality of first isolated crust cup joints the outside at the isolated crust of third in proper order, the isolated crust of second rotates and sets up between the isolated crust of first isolated crust and third, the outside of first isolated crust encircles and is provided with a plurality of protruding strips, a plurality of recesses have been seted up on the isolated crust of second, every all install a plurality of balls in the recess.

Preferably, a hole is formed in the center of the support, and a second lead is installed in the hole.

Preferably, be provided with auxiliary device on the inner wall of the isolated crust of third, auxiliary device includes second arc strip and a pair of first arc strip, two first arc strip sets up the both sides at the second arc strip respectively, second arc strip intussuseption is filled with nitrogen gas, the bow-shaped high numerical value of first arc strip is less than the bow-shaped high numerical value of second arc strip.

Preferably, two adjacent first isolated crust is close to each other's one end side all seted up the ring channel, the ring channel endotheca has connect the change, the both ends of change rotate respectively to set up in two adjacent ring channels.

Preferably, the first insulation outer skin is divided into two layers, one layer of the first insulation outer skin close to the second insulation outer skin is a silicone rubber layer, and one side of the first insulation outer skin far away from the second insulation outer skin is a nylon layer.

Preferably, the third isolated crust is three layers of inside, outside, the material of one layer in the middle of the third isolated crust is the chlorinated polyethylene layer, and the two layers of inside and outside of the third isolated crust are also nylon layers.

Compared with the prior art, the invention has the beneficial effects that:

1. the first isolated crust that can free rotation is set up at the outmost layer of cable, and when removing the cable, first isolated crust rotates along with removing, and the isolated crust of inside second and the isolated crust of third keep basic angle unchangeable to effectual wearing and tearing of having avoided removing the in-process cause the damage to inside wire.

2. Set up protruding strip in the outside of first isolated crust, what the in-process of moving cable at first caused is the damage of protruding strip, and the existence of protruding strip also helps the cable to integrate the other side, and the state stability of stacking is guaranteed to the protruding strip of mutual joint, avoids wearing and tearing because skid.

Drawings

FIG. 1 is a schematic structural diagram of a section of a wear-resistant cable with a frequently moving drum according to the present invention;

FIG. 2 is a schematic structural diagram of a side surface of a wear-resistant cable with a frequently moving drum according to the present invention;

fig. 3 is a schematic structural diagram at a in fig. 2.

In the figure: 1 protruding strip, 2 first isolated crust, 3 silastic layers, 4 second isolated crust, 5 balls, 6 first arc strips, 7 third isolated crust, 8 second arc strips, 9 second wires, 10 chlorinated polyethylene layer, 11 support, 12 inner skin, 13 first wires, 14 ring grooves, 15 swivel rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a drum frequently-moving wear-resistant cable comprises an outer protective layer and a plurality of inner skins 12, wherein the inner skins 12 are wrapped with a plurality of first wires 13, the protective layer comprises a second insulating skin 4, a third insulating skin 7 and a plurality of first insulating skins 2, a support 11 is arranged in the third insulating skin 7, the support 11 is provided with a plurality of clamping grooves corresponding to the inner skins 12, the inner skins 12 are respectively clamped in the clamping grooves, the first insulating skins 2 are sequentially sleeved on the outer side of the third insulating skin 7, the second insulating skin 4 is rotatably arranged between the first insulating skin 2 and the third insulating skin 7, the outer side of the first insulating skin 2 is provided with a plurality of convex strips 1 in a surrounding manner, the second insulating skin 4 is provided with a plurality of grooves, each groove is internally provided with a plurality of balls 5, the third insulating skin 7 is divided into an inner layer and an outer layer, the middle layer is made of chlorinated polyethylene layer 10, the inner layer and the outer layer of the third isolation outer skin 7 are also nylon layers, the chlorinated polyethylene layer 10 has better flame retardance and better flexibility, and is arranged in the middle layer of the third isolation outer skin 7 to provide enough flexibility in the cable bending process;

the center of the bracket 11 is provided with a hole, a second wire 9 is installed in the hole, the hole is formed in the bracket 11, the second wire 9 can be placed independently, space is fully utilized, enough wires can be placed, an auxiliary device is arranged on the inner wall of the third isolation outer skin 7 and comprises a second arc-shaped strip 8 and a pair of first arc-shaped strips 6, the two first arc-shaped strips 6 are respectively arranged on two sides of the second arc-shaped strip 8, nitrogen is filled in the second arc-shaped strip 8, the arch height value of the first arc-shaped strip 6 is smaller than that of the second arc-shaped strip 8, the second arc-shaped strip 8 is filled with nitrogen, the basic shape of the second arc-shaped strip 8 is maintained, the nitrogen is non-combustion-supporting gas, and when a fire source contacts the cable, the nitrogen has the effect of inhibiting fire from spreading, so that the purpose of protecting the cable is achieved;

wherein, the side of one end that two adjacent first isolated crust 2 are close to each other is all opened with ring channel 14, ring channel 14 is cup jointed with swivel 15, the both ends of swivel 15 rotate respectively and set up in two adjacent ring channels 14, connect between two adjacent first isolated crust 2 through swivel 15, because two adjacent first isolated crust 2 can rotate freely each other, in order to avoid there being other dust gravel etc. to enter in the gap between two, so keep apart through swivel 15, two in the first isolated crust 2, one layer that first isolated crust 2 is close to second isolated crust 4 is the silastic-rubber layer 3, one side that first isolated crust 2 keeps away from second isolated crust 4 is the nylon layer, silastic-rubber layer 3 can improve the temperature resistant oilproof characteristic of cable, and the gas permeability is good, avoid the cable to pile up overheated when together, the nylon layer has better wearability, can play a role in protecting the cable.

According to the invention, when a user uses the device, the plurality of the convex strips 1 are arranged on the outer side of the first isolation outer skin 2, the convex strips 1 are used as a protruding structure, when a cable is dragged on the ground, the convex strips 1 firstly contacted with the ground are firstly worn and also used as the convex strips 1, accordingly, the internal structure of the cable can be protected, and when the convex strips 1 which are sequentially arranged are orderly stacked, the convex strips 1 are mutually staggered and clamped, can be effectively clamped together, can be mutually and effectively clamped together, can be prevented from mutually slipping after being stacked together, and can be stably maintained after being stacked together.

A second isolation outer skin 4 is arranged between the first isolation outer skin 2 and the third isolation outer skin 7, a plurality of balls 5 are arranged on the second isolation outer skin 4, the balls 5 can roll freely, the friction force between the second isolation outer skin 4 and the first isolation outer skin 2 is reduced, when the cable is dragged on the ground, a plurality of first isolation outer skins 2 are sleeved on the outer side of the second isolation outer skin 4, the first isolation outer skin 2 and the second isolation outer skin 4 can rotate freely, the resistance force between the second isolation outer skin 4 is reduced, when the cable is dragged, the friction force between the convex strip 1 and the ground enables the first isolation outer skin 2 to roll, so that the first isolation outer skin 2 rolls along with the ground, and the second isolation outer skin 4 or the chlorinated polyethylene layer 10 inside can directly move in a state of unchanged angle, then there is mutual sliding friction only between isolated crust 2 of first and the isolated crust 4 of second, and the contact surface itself between isolated crust 2 of first and the isolated crust 4 of second is smooth and has ball 5 to reduce frictional force, and the in-process of removing the cable this moment is very little in fact to the wearing and tearing of cable to play the effect of protection cable inner structure.

Support 11 that sets up inside the isolated crust 7 of third has the effect of support, each first wire 13 joint respectively is in each recess, make it after the removal cable, inside wire group can not rub each other, keep its stability of infrastructure each other, and the auxiliary device who sets up on the inner wall of the isolated crust 7 of third also plays the effect of supporting the packing, the inner structure of cable should be compact, reduce space each other, the existence in space has just increased the probability that can take place deformation under the pressure effect, auxiliary device will inside prop up, can avoid inside first wire 13 to receive the extrusion, thereby play the effect of protection inner structure.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a reel frequently removes wear-resisting cable, includes outer protective layer and a plurality of interior epidermis (12), the parcel has a plurality of first wires (13) in the interior epidermis (12), its characterized in that, the protective layer includes isolated crust of second (4), third (7) and a plurality of first isolated crust (2), be provided with support (11) in the isolated crust of third (7), set up a plurality of draw-in grooves that correspond with interior crust (12) on support (11), a plurality of interior crust (12) joint respectively in the draw-in groove, a plurality of first isolated crust (2) cup joint the outside at the isolated crust of third (7) in proper order, isolated crust of second (4) rotate to set up between first isolated crust (2) and third (7), the outside of first isolated crust (2) is encircleed and is provided with a plurality of protruding strips (1), a plurality of grooves are formed in the second isolation outer skin (4), and each groove is internally provided with a plurality of balls (5).

2. The abrasion-resistant cable capable of frequently moving the winding drum as claimed in claim 1, wherein a hole is formed in the center of the support (11), and the second lead (9) is installed in the hole.

3. The abrasion-resistant cable capable of frequently moving drums and being used as claimed in claim 1, wherein an auxiliary device is arranged on the inner wall of the third insulating outer skin (7), the auxiliary device comprises a second arc-shaped strip (8) and a pair of first arc-shaped strips (6), the two first arc-shaped strips (6) are respectively arranged on two sides of the second arc-shaped strip (8), nitrogen is filled in the second arc-shaped strip (8), and the arch height value of the first arc-shaped strip (6) is smaller than that of the second arc-shaped strip (8).

4. The abrasion-resistant cable with the frequently moving winding drum as claimed in claim 1, wherein the adjacent two first insulating sheaths (2) are provided with annular grooves (14) on the side surfaces of the ends close to each other, the annular grooves (14) are internally sleeved with rotating rings (15), and the two ends of each rotating ring (15) are respectively and rotatably arranged in the adjacent two annular grooves (14).

5. A reel frequent movement wear-resistant cable according to claim 1, characterized in that the first insulating sheath (2) is divided into two layers, the layer of the first insulating sheath (2) close to the second insulating sheath (4) is a silicone rubber layer (3), and the side of the first insulating sheath (2) far from the second insulating sheath (4) is a nylon layer.

6. The abrasion-resistant cable with the frequently moving reel as claimed in claim 1, wherein the third insulating sheath (7) comprises three inner layers and three outer layers, the material of one layer in the middle of the third insulating sheath (7) is a chlorinated polyethylene layer (10), and the two inner layers and the two outer layers of the third insulating sheath (7) are nylon layers.