CN211742723U

CN211742723U - Tensile bending-resistant cable

Info

Publication number: CN211742723U
Application number: CN202020524340.5U
Authority: CN
Inventors: 戴志峰; 朱小亮
Original assignee: Jiangsu Xingyao Cable Co ltd
Current assignee: Jiangsu Xingyao Cable Co ltd
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2020-10-23
Anticipated expiration: 2030-04-11

Abstract

The utility model discloses a resistant curved type cable of tensile, including the oversheath layer, the inside of oversheath layer is equipped with the copper wire armor, the inside of copper wire armor is equipped with the inner sheath layer, the inside of inner sheath layer is fixed with strengthens the welt, the breach groove has all been seted up at the both ends of strengthening the welt, the inner wall in breach groove is fixed with the balancing piece, the inside of strengthening the welt is equipped with insulating protection layer, insulating protection layer's inside is equipped with the copper core, be fixed with the locating pin on insulating protection layer's the lateral wall, the end fixing of locating pin has the arc to prolong the round pin. This resistant curved type cable of tensile is through setting up a plurality of four enhancement welts as a set of in the inner sheath layer to the locking groove is seted up to the symmetry on the adjacent lateral wall of every group enhancement welt, recycles the locking ball and carries out transverse connection with the equilibrium post, when the cable of bending, can make every group strengthen mutually supporting between the welt, improves the resistant curved performance of the inside overall structure of cable, reaches the effect of protection copper core.

Description

Tensile bending-resistant cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to resistant curved type cable of tensile.

Background

The drum cable is widely applied to traveling cranes, transport machinery and conveyors, and can also be used as a mobile power supply of other equipment. The reel cable is constantly coiled or stretched in the equipment operation, and the reel cable constantly rubs each other, and long-term operation can cause the conductor fracture and the cable wearing and tearing are serious, cause engineering stagnation or potential safety hazard. Traditional cable adopts the round structure that stranded soft copper conductor, insulation and sheath adopt polyvinyl chloride plastics, and sinle silk stranding pitch is too big, and the general inner structure's of this type of cable tensile and resistant curved performance is relatively poor, exposes moreover in hot summer weatherability relatively poor, in order to solve foretell problem, needs a tensile resistant curved type cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant curved type cable of tensile to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant curved type cable of tensile, includes the oversheath layer, the inside of oversheath layer is equipped with the copper wire armor, the inside of copper wire armor is equipped with the inner sheath layer, the inside of inner sheath layer is fixed with strengthens the welt, strengthen the both ends of welt and all seted up the breach groove, the inner wall in breach groove is fixed with the balancing piece, the inside of strengthening the welt is equipped with insulating protective layer, insulating protective layer's inside is equipped with the copper core, be fixed with the locating pin on insulating protective layer's the lateral wall, the end fixing of locating pin has the arc to prolong the round pin, the balancing piece is run through to the tip of arc to prolong the round pin, and extends to the breach inslot fixed with the end, the locking groove has been seted up to the both sides wall symmetry of strengthening the welt, the inside in locking groove is equipped with the locking ball.

Preferably, the outer sheath layer and the inner sheath layer have the same thickness and are both tubular bodies made of PVC.

Preferably, the reinforcing lining plate is a substrate made of ABS plastics, and a polyurethane adhesive is coated between the reinforcing lining plate and the inner sheath layer.

This arrangement serves to improve the stability of the connection between the reinforcing liner and the inner jacket layer.

Preferably, the ultraviolet-resistant auxiliary agent is arranged between the outer sheath layer and the copper wire armor layer and between the copper wire armor layer and the inner sheath layer.

This setting is used for having improved the ultraviolet resistance's of cable sheath layer effect, reaches the protection copper core.

Preferably, be equipped with a plurality of groups in the inner sheath layer and strengthen the welt, and every four strengthen the welt and be a set of and be annular equidistance setting in the inner sheath in situ.

This setting is used for improving the resistant bending performance of cable inner part overall structure, reaches the effect of protection copper core.

Preferably, the distance between each group of the reinforcing lining plates is equal to the length of the balance column, and the diameter of the locking ball is equal to the depth of the locking groove.

The utility model discloses a technological effect and advantage: the tensile and bending-resistant cable is provided with a plurality of elastic pieces,

1. the inner sheath layer is internally provided with the four reinforcing lining plates which are in a group, the adjacent side walls of each group of reinforcing lining plates are symmetrically provided with the locking grooves, and then the locking balls are transversely connected with the balance columns, so that when the cable is bent, each group of reinforcing lining plates can be matched with each other, the bending resistance of the integral structure in the cable is improved, and the effect of protecting the copper core is achieved;

2. through seting up the breach groove at the both ends of strengthening the welt, the locating pin on the insulating inoxidizing coating outer wall of cooperation prolongs the round pin with the arc, when making things convenient for the both ends of arc to prolong the round pin to run through the balancing piece, the cooperation end reaches the effect of locking in the breach inslot, the effectual stability that improves the copper core in the cable prevents to drag the separation of drawing the in-process copper core.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a schematic cross-sectional view of the inner sheath layer of the present invention;

fig. 4 is an enlarged view of fig. 3B according to the present invention.

In the figure: 1. an outer jacket layer; 2. a copper wire armor layer; 3. an inner jacket layer; 4. reinforcing the lining plate; 41. a notch groove; 42. a counterbalance; 43. a locking groove; 44. a locking ball; 45. a balancing column; 5. an insulating protective layer; 6. a copper core; 7. positioning pins; 8. an arc-shaped extension pin; 9. and (4) a terminal.

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.

The utility model provides a tensile bending-resistant cable as shown in figures 1-4, which comprises an outer sheath layer 1, wherein a copper wire armor layer 2 is arranged inside the outer sheath layer 1, an inner sheath layer 3 is arranged inside the copper wire armor layer 2, concretely, a plurality of groups of reinforcing lining plates 4 are arranged inside the inner sheath layer 3, every four reinforcing lining plates 4 are arranged in the inner sheath layer 3 in a group in an annular equidistant manner, concretely, the thickness of the outer sheath layer 1 is equal to that of the inner sheath layer 3, and the reinforcing lining plates are tubular bodies made of PVC, concretely, an ultraviolet-resistant auxiliary agent is arranged between the outer sheath layer 1 and the copper wire armor layer 2, and between the copper wire armor layer 2 and the inner sheath layer 3, the reinforcing lining plates 4 are fixed inside the inner sheath layer 3, concretely, the reinforcing lining plates 4 are basal bodies made of ABS plastic, and polyurethane adhesive is coated between the reinforcing lining plates 4 and the inner sheath layer 3, specifically, every group strengthen the interval between the welt 4 and equal with the length of balancing post 45, the diameter of locking ball 44 equals with the inslot degree of depth of locking groove 43, strengthen the both ends of welt 4 and all seted up breach groove 41, the inner wall of breach groove 41 is fixed with balancing piece 42, strengthen the inside of welt 4 and be equipped with insulating protection layer 5, the inside of insulating protection layer 5 is equipped with copper core 6, be fixed with locating pin 7 on the lateral wall of insulating protection layer 5, the end fixing of locating pin 7 has arc extension round pin 8, the tip of arc extension round pin 8 runs through balancing piece 42, and extends to in breach groove 41 and end 9 fixed, through set up breach groove 41 at the both ends of strengthening welt 4, cooperates locating pin 7 and arc extension round pin 8 on the insulating protection layer 5 outer wall, makes things convenient for when the both ends of arc extension round pin 8 run through balancing piece 42, the matched end 9 achieves the effect of locking in the notch groove 41, the stability of the copper core 6 in the cable is effectively improved, and the separation of the copper core 6 in the pulling process is prevented;

strengthen the both sides wall symmetry of welt 4 and seted up locking groove 43, the inside in locking groove 43 is equipped with locking ball 44, two transversely be fixed with balanced post 45 between the locking ball 44, through set up a plurality of four enhancement welts 4 for a set of in inner sheath layer 3 to locking groove 43 is seted up to the symmetry on every adjacent lateral wall of strengthening welt 4 of group, recycles locking ball 44 and carries out transverse connection with balanced post 45, when the cable of bending, can make every group strengthen mutually supporting between the welt 4, improves the bending resistance ability of the inside overall structure of cable, reaches the effect of protection copper core 6.

When the tensile bending-resistant cable is used, a plurality of four reinforcing lining plates 4 are arranged in the inner sheath layer 3 to form a group, the adjacent side walls of each group of reinforcing lining plates 4 are symmetrically provided with locking grooves 43, and then the locking balls 44 are transversely connected with the balance columns 45, so that when the cable is bent, each group of reinforcing lining plates 4 can be matched with each other, the bending resistance of the integral structure in the cable is improved, and the effect of protecting the copper core 6 is achieved; breach groove 41 is seted up through the both ends at reinforcing welt 4, and locating pin 7 and arc on the 5 outer walls of cooperation insulation protective layer extend round pin 8, when making things convenient for arc to extend round pin 8 both ends to run through balancing piece 42, cooperation end 9 reaches the effect of locking in breach groove 41, and the effectual stability that improves copper core 6 in the cable prevents to drag the separation of pulling in-process copper core 6.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a resistant curved type cable of tensile, includes oversheath layer (1), its characterized in that: the inner part of the outer sheath layer (1) is provided with a copper wire armor layer (2), the inner part of the copper wire armor layer (2) is provided with an inner sheath layer (3), the inner part of the inner sheath layer (3) is fixed with a reinforcing lining plate (4), both ends of the reinforcing lining plate (4) are provided with notch grooves (41), the inner wall of each notch groove (41) is fixed with a balance block (42), the inner part of the reinforcing lining plate (4) is provided with an insulating protection layer (5), the inner part of the insulating protection layer (5) is provided with a copper core (6), the outer side wall of the insulating protection layer (5) is fixed with a positioning pin (7), the end part of the positioning pin (7) is fixed with an arc-shaped extension pin (8), the end part of the arc-shaped extension pin (8) penetrates through the balance block (42) and extends into the notch grooves (41) to be fixed with an end (9), the two side walls of the reinforcing lining, and a locking ball (44) is arranged in the locking groove (43), and a balance column (45) is transversely fixed between the two locking balls (44).

2. The tension and bending resistant cable of claim 1, wherein: the outer sheath layer (1) and the inner sheath layer (3) are equal in thickness and are tubular bodies made of PVC.

3. The tension and bending resistant cable of claim 1, wherein: the reinforced lining plate (4) is a matrix made of ABS plastic, and a polyurethane adhesive is coated between the reinforced lining plate (4) and the inner sheath layer (3).

4. The tension and bending resistant cable of claim 1, wherein: and an anti-ultraviolet auxiliary agent is arranged between the outer sheath layer (1) and the copper wire armor layer (2) and between the copper wire armor layer (2) and the inner sheath layer (3).

5. The tension and bending resistant cable of claim 1, wherein: be equipped with a plurality of groups in inner sheath layer (3) and strengthen welt (4), and per four enhancement welts (4) are a set of annular equidistance setting in inner sheath layer (3).

6. The tension and bending resistant cable of claim 1, wherein: the distance between each group of the reinforcing lining plates (4) is equal to the length of the balance column (45), and the diameter of the locking ball (44) is equal to the depth of the locking groove (43).