CN218100751U

CN218100751U - Explosion-proof special cable capable of resisting impact vibration influence

Info

Publication number: CN218100751U
Application number: CN202221892216.XU
Authority: CN
Inventors: 胡志贞; 胡灯有; 姜宝翔
Original assignee: Yangzhou Huayu Cable Co ltd
Current assignee: Yangzhou Huayu Cable Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-20
Anticipated expiration: 2032-07-20

Abstract

The utility model provides an explosion-proof special cable that can resist the impact vibration influence relates to the power cable field. This can resist explosion-proof special cable of impact vibration influence, including the cable core, the fixed cover in the cable core outside is equipped with explosion-proof overcoat, explosion-proof overcoat includes elastic rubber buffer layer, the netted layer of elastic fiber, fire-retardant layer and static elimination layer. This can resist explosion-proof special cable of impact vibration influence, two collars support explosion-proof overcoat and one section of power equipment installation spacingly, the cable of avoiding explosion-proof overcoat and cable core to constitute receives the striking when, can make the cable core and the condition that the place of power equipment connection rocked, guarantee cable core erection joint's safety, elastic elasticity rope can be driven by the power of striking and extend and elongate, bear the striking for cable core and explosion-proof overcoat and provide the activity surplus, avoid the cable core because the striking pulling influences the erection joint of cable core power equipment.

Description

Explosion-proof special cable capable of resisting impact vibration influence

Technical Field

The utility model relates to a cable specifically is the explosion-proof special cable that can resist the impact vibration influence, belongs to power cable technical field.

Background

With the further deepening of the modern construction of our country, more and more fields are gradually replaced by the electrical equipment, which puts higher and higher requirements on the construction of the power transmission network. High-voltage transmission with transmission networks as large as several kilovolts of national power grids and power supply networks of various machines in factories all require cables to transmit power.

The environment of the application occasions of the cable is more and more complex, higher requirements are provided for the cable, the cable is not only required to be electrified, but also new requirements are provided for safety and reliability, and in some special application occasions, such as mining areas, dangerous goods factory buildings and other application occasions, the impact resistance and explosion resistance of the cable are insufficient, so that the use danger of the cable is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing the explosion-proof special cable that can resist the impact vibration influence just in order to solve above-mentioned problem to solve application occasions such as mining area, hazardous articles factory building among the prior art, the shock resistance of cable, blast resistance are not enough, have increased the dangerous problem of cable use.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: can resist explosion-proof private cable of impact-type vibration influence, including cable core, the fixed cover in the cable core outside is equipped with explosion-proof cover, explosion-proof cover includes elastic rubber buffer layer, the netted layer of elastic fiber, fire-retardant layer and static elimination layer, the fixed cover in the explosion-proof cover outside is equipped with two pull rings, two be provided with the elastic cord between the pull ring, fixed case and the picture peg of fixedly connected with are distinguished at elastic cord both ends, an pot head in the explosion-proof cover outside is equipped with two collars.

Preferably, the fixed cover of elastic rubber buffer layer is located the cable core outside, the fixed cover of elastic fiber reticular layer is located the elastic rubber buffer layer outside, constitutes explosion-proof overcoat through elastic rubber buffer layer, elastic fiber reticular layer, fire-retardant layer and static elimination layer, protects the cable core.

Preferably, the fixed cover of fire-retardant layer is located the netted layer outside of elastic fiber, static elimination layer fixed cover is established with the fire-retardant layer outside.

Preferably, be close to the explosion-proof overcoat outside is located to a collar fixed cover of pull ring, another the collar cover is located the explosion-proof overcoat outside and is contacted with the explosion-proof overcoat, is provided with the emergence that the static elimination layer reduced explosion-proof overcoat outward appearance static, reduces the cable core because the possibility that the safety problem or even explosion appears in the static to be provided with the elastic rubber buffer layer that reduces the striking dynamics between static elimination layer and cable core.

Preferably, a plurality of fixed thread grooves are formed in one side of the mounting ring, wherein two of the fixed thread grooves are internally provided with threaded rods, a plurality of grooves are formed in one side of the mounting ring and are internally provided with welding pins, the welding pins are fixedly connected with the mounting ring, the mounting ring slides outside the explosion-proof jacket by being pulled, the mounting ring is fixed with the power equipment through the fixed thread grooves fixedly connected with the mounting ring, or the threaded rods are inserted into the fixed thread grooves formed in the mounting ring and the fixed thread grooves formed in the power equipment in advance, so that the threaded rods fix the two mounting rings and the power equipment together.

Preferably, the top of the pull ring is provided with a mounting circular groove, and two ends of the elastic rope respectively penetrate through the two mounting circular grooves and are in contact with the mounting circular grooves.

Preferably, the picture peg sets up in fixed incasement portion, thread groove has all been seted up at picture peg top and fixed roof portion, fixed roof portion is provided with the operation screw rod, the operation screw rod set up in thread groove inside and with fixed case and picture peg threaded connection, run through the installation circular slot that two pull rings were seted up with elasticity rope both ends after, insert the picture peg behind the fixed incasement portion, rotate the thread groove inside with the operation screw rod, will fix case and picture peg thread tightening together.

The utility model provides an explosion-proof special cable that can resist the impact vibration influence, its beneficial effect who possesses as follows:

1. this can resist explosion-proof special cable of impact vibration influence, two collars support explosion-proof overcoat and one section of power equipment installation spacingly, the cable of avoiding explosion-proof overcoat and cable core to constitute receives the striking when, can make the cable core and the condition that the place of power equipment connection rocked, guarantee cable core erection joint's safety, reduce the emergence of explosion accident, make the crooked one section of cable that cable core and explosion-proof overcoat are constituteed, as shown in the figure, when explosion-proof overcoat receives the striking, elastic rope can be driven by the power of striking and extend and stretch, bear the striking for cable core and explosion-proof overcoat and provide the movable allowance, avoid the erection joint of cable core because the striking pulling influences cable core power equipment of cable core, guarantee the safe in utilization of the cable that cable core and explosion-proof overcoat are constituteed.

2. This can resist explosion-proof special cable of impact vibration influence, be provided with the emergence that the static elimination layer reduces explosion-proof overcoat outward appearance static, reduce the cable core because the possibility that safety problem explosion even appears in the static, and be provided with the elastic rubber buffer layer that reduces the striking dynamics between static elimination layer and cable core, be provided with the fire-retardant layer that reduces external flame and to the cable core influence, be provided with and avoid fire-retardant layer and the complete cracked elastic fiber reticular layer of static elimination layer, it protects the cable core to have constituteed a shock attenuation explosion-proof overcoat, guarantee the security of the cable use that cable core and explosion-proof overcoat are constituteed.

Drawings

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

FIG. 2 is a schematic structural view of the explosion-proof jacket of the present invention;

FIG. 3 is a schematic structural view of the mounting ring of the present invention;

FIG. 4 is a schematic view of the structure of the pull ring of the present invention;

fig. 5 is a schematic view of the structure of the part a in fig. 4 according to the present invention.

In the figure: 1. a cable core; 2. an explosion-proof jacket; 3. an elastic rubber buffer layer; 4. an elastic fibrous web layer; 5. a flame retardant layer; 6. a static eliminating layer; 7. a mounting ring; 8. fixing the thread groove; 10. welding a pin; 11. a groove; 12. a threaded rod; 13. a pull ring; 14. an elastic cord; 15. installing a circular groove; 16. a fixed box; 17. inserting plates; 18. the screw is operated.

Detailed Description

The embodiment of the utility model provides an explosion-proof special cable that can resist the impact vibration influence.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, including cable core 1, cable core 1 outside fixed cover is equipped with explosion-proof jacket 2, explosion-proof jacket 2 includes elastic rubber buffer layer 3, elastic fiber mesh layer 4, flame retardant layer 5 and static elimination layer 6, elastic rubber buffer layer 3 fixed cover is located the cable core 1 outside, elastic fiber mesh layer 4 fixed cover is located the elastic rubber buffer layer 3 outside, flame retardant layer 5 fixed cover is located the elastic fiber mesh layer 4 outside, static elimination layer 6 fixed cover is established with the flame retardant layer 5 outside, the fixed cover in the explosion-proof jacket 2 outside is equipped with two pull rings 13, installation circular slot 15 has been seted up at pull ring 13 top, elastic rope 14 both ends run through two installation circular slots 15 respectively and contact with installation circular slot 15, be provided with elastic rope 14 between two pull rings 13, a collar 7 fixed cover is located the explosion-proof jacket 2 outside near pull ring 13, another installation ring 7 cover is located the explosion-proof jacket 2 outside and contact with explosion-proof jacket 2, elastic rope 14 both ends respectively fixedly connect with fixed case 16 and insert box, insert box 17, insert box 16 and insert box are provided with a plurality of screw rod 10 fixed grooves, insert box 16 and insert box are provided with two screw rod 10 fixed grooves, insert box 16, insert box are provided with two insert box internal screw rod 10 fixed grooves, insert box internal screw rod connection operation, insert box 16 and insert box internal connection operation box 10 fixed groove, insert box are provided with two insert box internal connection screw rod 10, insert box internal screw rod 10, insert groove, insert box internal connection 16 and insert box 10 fixed groove, insert box internal connection operation, insert box internal connection screw rod installation groove 10 are provided with two insert box internal connection.

Specifically, the explosion-proof outer sleeve 2 is composed of an elastic rubber buffer layer 3, an elastic fiber reticular layer 4, a flame-retardant layer 5 and an electrostatic elimination layer 6, a cable core 1 is protected, the electrostatic elimination layer 6 is arranged to reduce the occurrence of static electricity on the outer surface of the explosion-proof outer sleeve 2, the possibility that the cable core 1 has safety problems or even explodes due to static electricity is reduced, the elastic rubber buffer layer 3 for reducing the impact force is arranged between the electrostatic elimination layer 6 and the cable core 1, the flame-retardant layer 5 for reducing the influence of external flame on the cable core 1 is arranged, the elastic fiber reticular layer 4 for avoiding the complete breakage of the flame-retardant layer 5 and the electrostatic elimination layer 6 is arranged, the shock-absorbing explosion-proof outer sleeve 2 is formed to protect the cable core 1, and the use safety of a cable composed of the cable core 1 and the explosion-proof outer sleeve 2 is ensured;

after the cable consisting of the cable core 1 and the explosion-proof jacket 2 is installed with the power equipment, the installation ring 7 sliding on the outer side of the explosion-proof jacket 2 is pulled, the installation ring 7 is fixed with the power equipment through the fixed thread groove 8 fixedly connected with the installation ring 7, or the fixed thread grooves 8 formed in the two installation rings 7 are used, the threaded rod 12 is inserted into the fixed thread groove 8 formed in the installation ring 7 and the fixed thread groove 8 formed in the power equipment in a lifting manner, the two installation rings 7 and the power equipment are fixed together through the threaded rod 12, one end of the explosion-proof jacket 2 is fixed, and one section of the explosion-proof jacket 2 installed with the power equipment is supported and limited through the two installation rings 7, so that the situation that the place where the cable core 1 is connected with the power equipment is shaken when the cable consisting of the explosion-proof jacket 2 and the cable core 1 is impacted is avoided, the installation and connection safety of the cable core 1 is ensured, and the occurrence of explosion accidents is reduced;

and fix the cover in the explosion-proof overcoat 2 outside and be equipped with two pull rings 13, after bending explosion-proof overcoat 2 and cable core 1 partly, as shown in fig. 1, after penetrating through installation circular slot 15 that two pull rings 13 were seted up with elasticity rope 14 both ends afterwards, insert picture peg 17 behind the fixed box 16 is inside, rotate operation screw 18 to the thread groove inside, with fixed box 16 and picture peg 17 thread tightening together, make the cable that cable core 1 and explosion-proof overcoat 2 are constituteed one section crooked, as shown in fig. 1, when explosion-proof overcoat 2 received the striking, elastic elasticity rope 14 can be driven by the power of striking and extend and lengthen, bear the striking for cable core 1 and explosion-proof overcoat 2 and provide the activity allowance, avoid cable core 1 because the striking pulling influences the erection joint of cable core 1 power equipment, guarantee the safety in utilization of the cable that cable core 1 and explosion-proof overcoat 2 constitute.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Can resist explosion-proof special cable of shock-induced vibration influence, including cable core (1), the fixed cover in cable core (1) outside is equipped with explosion-proof overcoat (2), its characterized in that: explosion-proof overcoat (2) include elastic rubber buffer layer (3), the netted layer of elastic fiber (4), fire-retardant layer (5) and static elimination layer (6), the fixed cover in explosion-proof overcoat (2) outside is equipped with two pull rings (13), two be provided with elasticity rope (14) between pull ring (13), elasticity rope (14) both ends are fixedly connected with fixation case (16) and picture peg (17) respectively, an pot head in explosion-proof overcoat (2) outside is equipped with two collar (7).

2. The explosion-proof special cable capable of resisting impact vibration according to claim 1, wherein: the elastic rubber buffer layer (3) is fixedly sleeved outside the cable core (1), and the elastic fiber net layer (4) is fixedly sleeved outside the elastic rubber buffer layer (3).

3. The explosion-proof special cable capable of resisting impact vibration according to claim 1, wherein: the flame-retardant layer (5) is fixedly sleeved outside the elastic fiber mesh layer (4), and the static elimination layer (6) is fixedly sleeved outside the flame-retardant layer (5).

4. The explosion-proof special cable capable of resisting impact vibration according to claim 1, wherein: a mounting ring (7) close to the pull ring (13) is fixedly sleeved on the outer side of the explosion-proof outer sleeve (2), and the other mounting ring (7) is sleeved on the outer side of the explosion-proof outer sleeve (2) and is in contact with the explosion-proof outer sleeve (2).

5. The explosion-proof special cable capable of resisting impact vibration according to claim 1, wherein: the anti-explosion jacket is characterized in that a plurality of fixing thread grooves (8) are formed in one side of the mounting ring (7) and are not fixed to the anti-explosion jacket (2), threaded rods (12) are arranged inside the fixing thread grooves (8), a plurality of grooves (11) are formed in one side of the mounting ring (7), welding feet (10) are arranged inside the grooves (11), and the welding feet (10) are fixedly connected with the mounting ring (7).

6. The explosion-proof special cable capable of resisting impact vibration according to claim 1, wherein: installation circular slots (15) are formed in the top of the pull ring (13), and two ends of the elastic rope (14) penetrate through the two installation circular slots (15) respectively and are in contact with the installation circular slots (15).

7. The explosion-proof special cable capable of resisting impact vibration according to claim 1, wherein: the plug board (17) is arranged inside the fixed box (16), thread grooves are formed in the top of the plug board (17) and the top of the fixed box (16), an operation screw rod (18) is arranged at the top of the fixed box (16), and the operation screw rod (18) is arranged inside the thread grooves and is in threaded connection with the fixed box (16) and the plug board (17).