CN219716498U

CN219716498U - Shielded drag chain cable with sheath

Info

Publication number: CN219716498U
Application number: CN202320927306.6U
Authority: CN
Inventors: 刘信化; 刘京; 李祖飞
Original assignee: Shanghai Wempe Gradually Cable Co ltd
Current assignee: Shanghai Wempe Gradually Cable Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-09-19
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a shielded drag chain cable with a sheath, which comprises a drag chain, wherein the drag chain is used for accommodating, towing and protecting an internal cable; further comprises: and the shielding cable is flat. The shielded cable is inside cable for horizontal arrangement, compares in traditional circular cable, and at the traction process of tow chain, shielded cable can buckle along wider one side, and its inside cable torsion volume is less, can not take place to sidesway and lead to, has reduced the friction between cable and the tow chain, has prolonged the cable life-span.

Description

Shielded drag chain cable with sheath

Technical Field

The disclosure relates to the technical field of drag chain cables, in particular to a shielded drag chain cable with a sheath.

Background

The drag chain cable is a high-flexibility special cable which can move back and forth along with the drag chain and is not easy to wear, and is also commonly called a drag cable, and the tank chain cable is used for preventing the cable from being entangled, worn, pulled out, hung and scattered in the case that the equipment unit needs to move back and forth, protecting the cable and realizing the back and forth movement along with the drag chain.

In the prior art, the cable is circular, wires inside the cable are mutually stranded, the tensile capacity of the cable can be improved through the design, the shielding performance of the cable can be improved, but the circular stranded cable can twist by itself in the towing process of the towing chain, the bending part can slide towards two sides, and the bending part and the towing chain are rubbed, so that the service life of the cable is influenced.

In view of this we propose a shielded drag chain cable with a sheath.

Disclosure of Invention

In view of the above-described drawbacks or deficiencies of the prior art, it is desirable to provide a shielded drag chain cable with a jacket.

The utility model provides a shielded drag chain cable with a sheath, comprising:

a tow chain for receiving, towing and protecting an internal cable;

further comprises:

and the shielding cable is flat.

According to the technical scheme provided by the embodiment of the utility model, the drag chain comprises a plurality of connecting blocks, a head block and a tail block, wherein the connecting blocks, the head block and the tail block are connected by adopting connecting screws, and the shielding cable is positioned in the drag chain.

According to the technical scheme provided by the embodiment of the utility model, the shielding cable comprises a plurality of cables, an inner protective sleeve is arranged outside the cables, an outer protective sleeve is arranged outside the inner protective sleeve, and the outer protective sleeve is in direct contact with the drag chain.

According to the technical scheme provided by the embodiment of the utility model, the cable comprises two copper wires and two first reinforcing fibers, and the copper wires and the first reinforcing fibers are mutually stranded.

According to the technical scheme provided by the embodiment of the utility model, a first shielding layer is arranged outside the copper wire and the first reinforcing fiber, an isolation layer is arranged outside the first shielding layer, a second shielding layer is arranged outside the isolation layer, and a shaping layer is arranged outside the second shielding layer.

According to the technical scheme provided by the embodiment of the utility model, the first shielding layer is made of aluminum foil, and the second shielding layer is woven by galvanized copper wires.

According to the technical scheme provided by the embodiment of the utility model, the inner protective sleeve comprises an inner protective layer, the inner protective layer is made of rubber, and the whole outer part of the cable is wrapped to be flat.

According to the technical scheme provided by the embodiment of the utility model, the second reinforcing fibers are arranged inside the inner protective layer and between the cables.

According to the technical scheme provided by the embodiment of the utility model, the outer protective sleeve comprises a third shielding layer, and the third shielding layer is wrapped outside the inner protective layer.

According to the technical scheme provided by the embodiment of the utility model, the outer protective layer is arranged outside the third shielding layer, and the outer protective layer is made of PVC (polyvinyl chloride) materials.

To sum up, this technical scheme specifically discloses a shielded towing chain cable of taking sheath, including towing chain and shielded cable, shielded cable wholly is the platykurtic, and shielded cable inside cable is the horizontal arrangement, compares in traditional circular cable, and in the pulling process of towing chain, shielded cable can buckle along wider one side, and its inside cable torsion is less, can not take place to move side and lead to, has reduced the friction between cable and the towing chain, has prolonged the cable life-span.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of a shielded drag chain cable with a jacket;

FIG. 2 is a block diagram of a shielded drag chain cable drag chain with a jacket;

FIG. 3 is a shielded cable diagram of a shielded drag chain cable with a jacket;

FIG. 4 is a schematic diagram of a cable structure;

FIG. 5 is a schematic view of a protective sleeve;

reference numeral 1 in the figure, a drag chain; 11. a connecting block; 12. a head block; 13. tail blocks; 14. a connecting screw;

2. a shielded cable; 21. a cable; 211. copper wire; 2111. a copper core; 2112. an insulating layer; 212. a first reinforcing fiber; 213. a first shielding layer; 214. an isolation layer; 215. a second shielding layer; 216. shaping layer

22. An inner protective sleeve; 221. an inner protective layer; 222. a second reinforcing fiber;

23. an outer protective sleeve; 231. a third shielding layer; 232. an outer protective sleeve.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

According to fig. 1 and 2:

a jacketed shielded drag chain cable comprising:

the drag chain 1, the drag chain 1 is used for accommodating, pulling and protecting an internal cable, the drag chain 1 comprises a plurality of connecting blocks 11, a head block 12 and a tail block 13, and the connecting blocks 11, the head block 12 and the tail block 13 are connected by adopting connecting screws 14.

The connection block 11, the head block 12 and the tail block 13 are rotatable.

As shown in fig. 1 and 3, a shielded drag chain cable with a sheath, further includes:

the shielded cable 2, the shielded cable 2 is flat, and shielded cable 2 includes five cables 21, and the outside parcel of cable 21 has interior protective sheath 22, and interior protective sheath 22 outside parcel has outer protective sheath 23, and outer protective sheath 23 and tow chain 1 direct contact.

As shown in fig. 4, the cable 21 includes two copper wires 211 and two first reinforcing fibers 212, the copper wires 211 and the first reinforcing fibers 212 are twisted with each other, the copper wires 211 include a copper core 2111, and an insulation layer 2112 is wrapped outside the copper core 2111.

The first reinforcing fiber 212 is made of nylon, and the copper wire 211 and the first reinforcing fiber 212 are twisted with each other, so that the tensile strength of the cable 21 can be improved.

The copper wires 211 and the first reinforcing fibers 212 are externally wrapped with a first shielding layer 213, the first shielding layer 213 is externally wrapped with an isolating layer 214, the isolating layer 214 is externally wrapped with a second shielding layer 215, and the second shielding layer 215 is externally wrapped with a shaping layer 216.

The first shielding layer 213 is made of aluminum foil, and the second shielding layer 215 is woven of galvanized copper wires.

The isolating layer 214 and the shaping layer 216 are made of PVC, the isolating layer 214 is used for isolating the first shielding layer 213 and the second shielding layer 215, because the second shielding layer 215 woven by galvanized copper wires has loose possibility after repeated bending for a long time, copper wires in the second shielding layer are likely to be broken, and the isolating layer 214 can prevent broken copper wires from piercing the aluminum foil; the shaping layer 216 is used for wrapping the second shielding layer 215, and prevents the second shielding layer 215 from loosening after repeated bending for a long time.

As shown in fig. 5, the inner protective sleeve 22 includes an inner protective layer 221, the inner protective layer 221 is made of rubber, and is wrapped outside the cable 21, and the inner protective layer 221 is internally provided with second reinforcing fibers 222 between the cables 21.

The second reinforcing fiber 222 is made of kevlar material, and is used for reinforcing the tensile strength of the inner protection layer 221.

The outer protective sleeve 23 comprises a third shielding layer 231, the third shielding layer 231 is wrapped outside the inner protective layer 221, an outer protective layer 232 is arranged outside the third shielding layer 231, and the outer protective layer 232 is made of PVC.

The third shielding layer 231 is made of aluminum foil and is used for improving the shielding capacity of the shielded cable 2, and the outer protective layer 232 is made of PVC and has good friction resistance and flame retardance.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims

1. A jacketed shielded drag chain cable comprising:

a drag chain (1), the drag chain (1) being used for receiving, towing and protecting an internal cable;

characterized by further comprising:

and a shielded cable (2), wherein the shielded cable (2) is flat.

2. The shielded drag chain cable with the sheath according to claim 1, wherein the drag chain (1) comprises a plurality of connecting blocks (11), a head block (12) and a tail block (13), the connecting blocks (11), the head block (12) and the tail block (13) are connected by adopting connecting screws (14), and the shielded cable (2) is positioned inside the drag chain (1).

3. Shielded drag chain cable with sheath according to claim 2, characterized in that the shielded cable (2) comprises several cables (21), the outside of the cables (21) is provided with an inner protective sheath (22), the outside of the inner protective sheath (22) is provided with an outer protective sheath (23), the outer protective sheath (23) is in direct contact with the drag chain (1).

4. A jacketed shielded drag chain cable according to claim 3, characterized in that the cable (21) comprises two copper wires (211) and two first reinforcing fibers (212), the copper wires (211) and the first reinforcing fibers (212) being intertwisted.

5. The shielded towing cable with the sheath according to claim 4, wherein a first shielding layer (213) is arranged outside the copper wires (211) and the first reinforcing fibers (212), an isolating layer (214) is arranged outside the first shielding layer (213), a second shielding layer (215) is arranged outside the isolating layer (214), and a shaping layer (216) is arranged outside the second shielding layer (215).

6. The shielded cable with sheath of claim 5, wherein the first shielding layer (213) is made of aluminum foil, and the second shielding layer (215) is made of galvanized copper wire by braiding.

7. A shielded drag chain cable with a sheath according to claim 3, characterized in that the inner protective sheath (22) comprises an inner protective layer (221), the inner protective layer (221) is made of rubber material, and is wrapped outside the cable (21) and is flat.

8. A jacketed shielded drag chain cable according to claim 7, characterized in that the inner protective layer (221) is internally provided with second reinforcing fibers (222) between the cables (21).

9. A jacketed shielded drag chain cable according to claim 3, characterized in that the outer protective sheath (23) comprises a third shielding layer (231), the third shielding layer (231) being wrapped outside the inner protective layer (221).

10. The shielded towing cable with the sheath according to claim 9, wherein an outer protective layer (232) is provided outside the third shielding layer (231), and the outer protective layer (232) is made of PVC.