CN213424654U - Bending-resistant drag chain cable - Google Patents

Abstract

The utility model relates to a tow chain cable of nai buckling, tow chain unit including two liang of links to each other of a plurality of cable and a plurality of, be equipped with supporting component in the tow chain unit, supporting component includes the base plate and connects a plurality of mounting base, a plurality of that sets up on the base plate mounting base separates into a plurality of accommodation space, a plurality of with tow chain unit internal portion, a plurality of the cable is one-to-one respectively placed in a plurality of accommodation space, mounting base passes through elastic component and base connection. The utility model discloses a predominant use provides a compressive property is excellent, wear-resisting, fire prevention, protection against rodents worm gnaws and stings to the resistant tow chain cable of buckling that has the bending property that is showing.

Description

Bending-resistant drag chain cable

Technical Field

The utility model relates to a cable especially relates to a tow chain cable of nai buckling.

Background

The cable can be classified into a power cable, a communication cable, a control cable and the like according to its use, and has advantages of small insulation distance between wires, small occupied space, no occupation of space above the ground due to underground laying, no influence of environmental pollution, and high power transmission reliability compared with an overhead wire. The towline cable is placed in a cable towline, so that the cable can be effectively prevented from being entangled, abraded, pulled off and scattered, the towline cable is mainly used in occasions where equipment units need to move back and forth, the cable has high flexibility, and the traditional towline cable is similar to a crawler belt in structure, so the towline cable is also called as a tank chain cable or a towline cable; however, in the conventional towline cable, the cable inside the conventional towline cable is still prone to winding and staggering in the moving process, and the cable is also prone to breakage in the condition of being bent for multiple times, so that the use safety of the cable is affected, and therefore further improvement is still needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a compression resistance is excellent, wear-resisting, fire prevention, protection against rodents worm gnaws and stings to have the resistant tow chain cable of buckling of the bending property that is showing.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

a bending-resistant drag chain cable comprises a plurality of cables and a plurality of drag chain units which are connected in pairs, a support assembly is arranged in the drag chain unit, the support assembly comprises a base plate and a plurality of mounting bases connected and arranged on the base plate, the mounting bases divide the interior of the drag chain unit into a plurality of accommodating spaces, a plurality of cables are respectively arranged in the accommodating spaces in a one-to-one correspondence manner, the mounting base is connected with the base plate through an elastic piece, two adjacent drag chain units are connected through a connecting piece, one end of the connecting piece is fixedly connected with the first end part of the drag chain unit, the other end of the connecting piece is rotatably connected with the second end part of the adjacent drag chain unit, the connecting piece other end is equipped with the pot head, the pot head cover is established in the second tip outside of adjacent tow chain unit, just be connected with the corrugated hose between the first end of pot head and tow chain unit.

Furthermore, the outer side of each cable is coated with an insulating layer made of polyethylene insulating materials.

Further, the tow chain unit includes main frame body, the coating of main frame body outside has fireproof paint layer, main frame body inboard is equipped with the buffer layer.

Furthermore, a plurality of buffering bodies which are distributed at equal intervals are arranged in the buffering layer, and the buffering bodies are of X-shaped structures.

Furthermore, the two sides of the second end part are respectively provided with a clamping hook, the end sleeve is provided with a bayonet matched with the clamping hook, and the clamping hook is clamped in the bayonet of the end sleeve.

Further, a step surface is arranged on the second end portion, and the end sleeve is sleeved on the step surface of the second end portion.

Further, the other end of the connecting piece is rotatably connected with the second end of the adjacent drag chain unit through a pin shaft.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses in through adding the supporting component who establishes to have certain elasticity inside the tow chain unit and come the supporting cable, independently separately place the cable, avoid appearing extrusion wear each other, the buffer layer with tow chain unit inner wall setting cooperatees simultaneously, improve overall structure's compressive property, and for the cable of the state of buckling provides sufficient space of letting back, it is impaired to avoid the cable body, the power failure accident that has reduced because the cable damages and produces, the communication interrupts the scheduling problem, thereby cable in use's efficiency has been improved.

Drawings

Fig. 1 is a front view of a bending-resistant towline cable of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

fig. 3 is a top view of a bending-resistant towline cable of the present invention;

wherein, 1, a drag chain unit; 11. a fire retardant coating layer; 12. a buffer layer; 13. a first end portion; 2. a support assembly; 21. a substrate; 22. mounting a base; 23. an elastic member; 3. a cable; 31. an insulating layer; 4. a second end portion; 41. a hook is clamped; 5. a connecting member; 51. end sleeves; 52. a corrugated hose.

Detailed Description

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

It should be noted that, in the description of the technical solutions of the present invention, some directional words, such as "front", "rear", "upper", "lower", "top", "bottom", "inner", "outer", etc., used for clearly describing the technical features of the present invention are all in terms of the orientation of the drawings of the present invention.

Examples

As shown in fig. 1, fig. 2 and fig. 3, the bending-resistant towline cable of the present embodiment includes a plurality of cables 3 and a plurality of towline units 1 connected in pairs, and an insulating layer 31 made of polyethylene insulating material is coated outside each cable 3, so that the cable has more significant insulating performance. The drag chain unit 1 comprises a main frame body made of hard materials so as to ensure the overall structural strength of the drag chain unit 1; the outer side of the main frame body is coated with a fireproof coating layer 11 made of a nano composite ceramic material, so that the fireproof performance of the main frame body is enhanced; the main frame inboard is equipped with buffer layer 12, be equipped with the equidistant distribution's of a plurality of buffering body in the buffer layer 12, the buffering body is X type structure, the middle width of X type structure is less than the width at both ends, and certain space has between the adjacent buffering body, can effectively disperse when receiving external pressure, slow down pressure, reduce the damage to cable 3, certain thermal-insulated effect still has simultaneously, make cable 3 receive external environment temperature's influence and reduce, be favorable to cable 3's normal use and extension cable 3's life.

Be equipped with the supporting component 2 that soft materials made in the tow chain unit 1 of this embodiment, supporting component 2 is including being located the inboard middle part of tow chain unit 1 base plate 21 and connecting a plurality of mounting base 22 of setting on base plate 21, a plurality of mounting base 22 separates into a plurality of accommodation space with tow chain unit 1 is inside, a plurality of cables 3 respectively one-to-one places in a plurality of accommodation space, mounting base 22 passes through elastic component 23 and is connected with base plate 21, elastic component 23 is the spring in this embodiment. Specifically, as shown in fig. 2, both ends butt is on the both sides inner wall at tow chain unit 1 width edge about base plate 21, a plurality of mounting base 22 symmetry is placed in the upper and lower both sides of base plate 21, mounting base 22's cross sectional structure is L type structure, cable 3 places in the accommodation space that is formed by mounting base 22 and tow chain unit 1's buffer layer 12, mounting base 22's bottom is passed through the spring and is connected with base plate 21, when this tow chain cable is buckled like this, the spring pressurized can provide certain space of letting back for cable 3, avoid extrusion cable 3 to produce the damage, improve cable 3's bending resistance ability.

In this embodiment, two adjacent tow chain units 1 are connected through a connecting piece 5, one end of the connecting piece 5 is fixedly connected to the first end 13 of the tow chain unit 1, the other end of the connecting piece 5 is rotatably connected to the second end 4 of the adjacent tow chain unit 1, the rotating connection mode is pin connection, and other connection modes which can be realized in the prior art can also be adopted. The other end of the connecting piece 5 is also provided with an annular end sleeve 51 made of rubber material, the end sleeve 51 is sleeved outside the second end part 4 of the adjacent drag chain unit 1, specifically, the second end part 4 is provided with a step surface, the end sleeve 51 is sleeved on the step surface of the second end part 4 in a matching manner, and the outer diameter of the end sleeve 51 is the same as that of the first end part 13 of the drag chain unit 1; the upper and lower sides of the second end portion 4 are respectively provided with a hook 41, the end sleeve 51 is provided with a bayonet matched with the hook 41, and the hook 41 is clamped in the bayonet of the end sleeve 51, so that the end sleeve 51 and the second end portion 4 are more tightly and reliably connected together. In addition, be connected with the annular corrugated hose 52 that can extend or contract between the first end 13 of pot head 51 and tow chain unit 1, adopt this kind of structure, neither influence buckling of this tow chain cable, can be close to the clearance between the tow chain unit 1 that links to each other of sealing, play dustproof, the effect that prevents that the mouse and insect gnaw and sting, compare in the tow chain cable that has some cables to expose outside in traditional structure, the tow chain cable of this embodiment, the structure is safe and reliable more, and the guard effect is better.

The utility model discloses a tow chain cable of nai buckling, through adding in tow chain unit 1 inside and establishing support assembly 2 that has certain elasticity and come supporting cable 3, independently separately place cable 3, avoid appearing extrusion wear each other, the buffer layer 12 with the setting of tow chain unit 1 inner wall cooperatees simultaneously, improve overall structure's compressive property, and provide sufficient space of letting back for the cable 3 of the state of buckling, it is impaired to avoid the cable 3 body, the power failure accident that produces because cable 3 damages has been reduced, the communication interrupts the scheduling problem, thereby the efficiency of cable 3 in use has been improved.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (7)

1. The utility model provides a tow chain cable of resistant buckling which characterized in that: the tow chain comprises a plurality of cables (3) and a plurality of tow chain units (1) which are connected in pairs, wherein a supporting component (2) is arranged in each tow chain unit (1), each supporting component (2) comprises a base plate (21) and a plurality of mounting bases (22) which are connected and arranged on the base plate (21), the mounting bases (22) divide the interior of each tow chain unit (1) into a plurality of accommodating spaces, the cables (3) are respectively placed in the accommodating spaces in a one-to-one correspondence mode, the mounting bases (22) are connected with the base plates (21) through elastic pieces (23), every two adjacent tow chain units (1) are connected through connecting pieces (5), one end of each connecting piece (5) is fixedly connected with a first end portion (13) of each tow chain unit (1), and the other end of each connecting piece (5) is rotatably connected with a second end portion (4) of each adjacent tow chain unit (1), the other end of the connecting piece (5) is provided with an end sleeve (51), the second end part (4) of the adjacent drag chain unit (1) is sleeved with the end sleeve (51), and a corrugated hose (52) is connected between the end sleeve (51) and the first end part (13) of the drag chain unit (1).

2. A bend resistant tow chain cable according to claim 1, wherein: the outer side of each cable (3) is coated with an insulating layer (31) made of polyethylene insulating materials.

3. A bend resistant tow chain cable according to claim 1, wherein: the tow chain unit (1) comprises a main frame body, a fireproof coating layer (11) is coated on the outer side of the main frame body, and a buffer layer (12) is arranged on the inner side of the main frame body.

4. A bend resistant tow chain cable according to claim 3, wherein: a plurality of buffer bodies distributed at equal intervals are arranged in the buffer layer (12), and the buffer bodies are of X-shaped structures.

5. A bend resistant tow chain cable according to claim 1, wherein: the two sides of the second end portion (4) are respectively provided with a clamping hook (41), a bayonet matched with the clamping hook (41) is arranged on the end sleeve (51), and the clamping hook (41) is clamped in the bayonet of the end sleeve (51).

6. A bend resistant tow chain cable according to claim 5, wherein: the second end portion (4) is provided with a step surface, and the end sleeve (51) is sleeved on the step surface of the second end portion (4).

7. A bend resistant tow chain cable according to claim 1, wherein: the other end of the connecting piece (5) is rotatably connected with the second end part (4) of the adjacent drag chain unit (1) through a pin shaft.

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