CN115410762A - Cold-resistant and bending-resistant cable - Google Patents
Cold-resistant and bending-resistant cable Download PDFInfo
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- CN115410762A CN115410762A CN202211039189.6A CN202211039189A CN115410762A CN 115410762 A CN115410762 A CN 115410762A CN 202211039189 A CN202211039189 A CN 202211039189A CN 115410762 A CN115410762 A CN 115410762A
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- protection
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- cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The invention discloses a cold-resistant and bending-resistant cable, which relates to the technical field of cables and comprises a cold-resistant and bending-resistant cable main body, wherein a cable lead is arranged inside the cold-resistant and bending-resistant cable main body. According to the invention, the anti-bending protection mechanism is installed, the cable wires are wrapped by the wire protection rubber sleeve to play a role in primary protection, the cable wire independent protection mechanism performs an independent protection function on each cable wire in the cold-resistant anti-bending cable main body, so that the cable wires are not influenced mutually, the anti-bending protection seat and the protection annular sleeve support and protect the cable wires from the outside of the wire protection rubber sleeve by using the first toughness protection sleeve and the second toughness protection sleeve as supporting points, the inner arc-shaped compression plates in the anti-bending protection seat are mutually extruded by using an arch, the toughness of the anti-bending protection seat is increased, and the central contact point of the inner arc-shaped compression plate is fixed by the fixed elastic column to increase the anti-bending effect of the anti-bending protection seat.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cold-resistant and bending-resistant cable.
Background
In the process of power transmission, a cable is often used, the cable usually consists of several or several groups of wires, the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, the cables consist of single-strand or multi-strand wires and an insulating layer and are used for connecting circuits, electric appliances and the like.
In the prior art, a chinese utility model patent document with publication number CN210956208U, published as 2020, 07/to solve the above technical problems is proposed, and the technical solution disclosed in the patent document is as follows: the utility model provides a flexible cold-resistant cable that prevents frostbite of low temperature, includes the parcel subassembly, the inside of parcel subassembly is equipped with six first rubber tubes, the inner wall interference wire of first rubber tube, the outside of parcel subassembly is equipped with strengthening mechanism, strengthening mechanism's the outside is equipped with the heat preservation protective sheath. This cold-resistant frostproofing cable of flexible low temperature, not only play good guard action to the wire, and can prevent that the inside of this cold-resistant frostproofing cable of flexible low temperature from receiving external cold air influence and becoming stiff, therefore this cold-resistant frostproofing cable of flexible low temperature has solved under the cryogenic condition of cable among the prior art, its inside is stiff, consequently at the in-process of buckling, the problem of easy disconnection, make this cold-resistant frostproofing cable of flexible low temperature when receiving external cutting, self-protection ability has, the anti cutting capability of tensile improves, consequently, this cold-resistant frostproofing cable of flexible low temperature can be better satisfy people's use needs.
In the actual use process, the following problems can occur in the technical scheme: the cable only depends on the rubber tube for protecting the lead, the degree of flexible protection is limited, and the lead can be bent after being bent for many times or the rubber tube is aged, so that the service life of the lead is influenced; the use of multiple layers of rubber protective sleeves for cold protection and heat preservation increases the weight of the cable invisibly, and influences the transportation and installation of the cable.
Disclosure of Invention
The invention provides a cold-resistant and bending-resistant cable to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a cold-resistant bending cable, includes cold-resistant bending cable main part, the inside of cold-resistant bending cable main part is provided with the cable conductor, the outside of cable conductor is provided with bending protection mechanism, bending protection mechanism's outside is provided with cold-resistant protection mechanism, bending protection mechanism is including first toughness protective sheath, extension foil, cable conductor independent protection mechanism, wire protection rubber sleeve and central bending subassembly, the internal surface of wire protection rubber sleeve cup joints with the surface of cable conductor, cold-resistant protection mechanism is including outside rubber protective sheath, first heat preservation packing ring and polyurethane heat preservation ring, the internal surface of outside rubber protective sheath is connected with the fixed surface of first heat preservation packing ring.
The technical scheme of the invention is further improved as follows: the surface of extension foil and the surface joint of first toughness protective sheath, the surface of first toughness protective sheath is provided with the draw-in groove with extension foil looks adaptation, and first toughness protective sheath utilizes the ductility of metal to make the toughness of first toughness protective sheath increase simultaneously with extension foil, carries out the effect of the protection of buckling to the cable conductor from the outside.
The technical scheme of the invention is further improved as follows: cable conductor independent protection mechanism symmetry is provided with the multiunit, cable conductor independent protection mechanism is including protection annular cover, the internal surface of protection annular cover contacts with the inboard surface of wire protection rubber sleeve, the outside surface of protection annular cover is provided with resistance to compression protection seat, and resistance to compression protection seat and protection annular cover utilize first toughness protective sheath and second toughness protective sheath as the strong point to support and protect cable conductor from the outside of wire protection rubber sleeve.
The technical scheme of the invention is further improved as follows: a set of the side surface of resistance to compression protection seat is connected with the inboard fixed surface of first toughness protective sheath, another group the side surface of resistance to compression protection seat is connected with the outer fixed surface of central anti-bending subassembly, and the inside interior arc resistance to compression board of resistance to compression protection seat utilizes the arch to extrude each other, increases the toughness of resistance to compression protection seat, and fixed elastic column carries out the fixed effect that increases the anti-bending of resistance to compression protection seat to the central contact point of the interior arc resistance to compression board.
The technical scheme of the invention is further improved as follows: the inside fixed mounting of resistance to compression protection seat has interior arc resistance to compression board, the middle part fixed mounting of interior arc resistance to compression board has fixed elastic column, the upper and lower both ends of fixed elastic column contact with the internal surface of resistance to compression protection seat respectively, and wire protection rubber sleeve wraps up the effect that plays preliminary protection to the cable conductor, and cable conductor independent protection mechanism carries out the effect of independent protection to each cable conductor of cold-resistant anti buckling cable main part inside, makes can not influence each other between the cable conductor.
The technical scheme of the invention is further improved as follows: the central anti-bending assembly comprises a second toughness protective sleeve, a metal core is arranged at the center of the inside of the second toughness protective sleeve, a compression-resistant elastic base plate is arranged between the second toughness protective sleeve and the metal core, the central anti-bending assembly plays a role in supporting stability in the center of the inside of a cable conductor, and the second toughness protective sleeve and the metal core are fixedly connected through the compression-resistant elastic base plate.
The technical scheme of the invention is further improved as follows: resistance to compression elasticity backing plate one side and the internal surface joint of second toughness protective case, the opposite side of resistance to compression elasticity backing plate and the surface joint of metal core, the surface of second toughness protective case and metal core all is provided with the joint groove with resistance to compression elasticity backing plate looks adaptation, supports the elastic rod and utilizes the elasticity of self to support when resistance to compression elasticity backing plate receives the oppression and make resistance to compression elasticity backing plate can reset.
The technical scheme of the invention is further improved as follows: the middle part fixed mounting of resistance to compression elasticity backing plate has the support elastic rod, the both ends of supporting the elastic rod are connected with the fixed surface of resistance to compression elasticity backing plate respectively, the middle part of resistance to compression elasticity backing plate be provided with the movable hole of the diameter adaptation of support elastic rod, the surface of supporting the elastic rod and the inner wall swing joint of resistance to compression elasticity backing plate, resistance to compression elasticity backing plate itself also has certain toughness and elasticity, and it can not take place easily to bend to provide inside holding power for second toughness protective case and make second toughness protective case receive the oppression, increases the anti performance of bending of central anti-bending subassembly.
The technical scheme of the invention is further improved as follows: the equal fixed mounting in inside and outside both sides of first heat preservation packing ring has the metal mesh, the internal surface of first heat preservation packing ring is connected with the outer fixed surface of polyurethane heat preservation ring, the internal surface of polyurethane heat preservation ring is connected with the outer fixed surface of first toughness protective sheath, the surface of polyurethane heat preservation ring is provided with the joint groove with extension foil looks adaptation, the internal surface of polyurethane heat preservation ring and extension foil's surface joint, outside rubber protective sheath play wear-resisting protection's effect to cold-resistant bending cable main part at outermost, the inside metal mesh that contains of first heat preservation packing ring is wrapping up the polyurethane heat preservation ring, increases the firm degree of first heat preservation packing ring when playing heat retaining effect, prolongs the life of cold-resistant bending cable main part, and the polyurethane heat preservation ring utilizes the characteristic of polymer to play heat retaining effect to the cable wire, increases the cold-resistant characteristic of cable wire, improves the result of use of cable wire.
The technical scheme of the invention is further improved as follows: the utility model discloses a polyurethane insulation circle, including polyurethane insulation circle, reinforcing thin branch rod, connecting reinforcing ring, reinforcing thin branch rod, the middle part of polyurethane insulation circle is run through and is connected the stationary ring, the surface of reinforcing thin branch rod and the inner wall fixed connection of polyurethane insulation circle, the thickness of polyurethane insulation circle is the twice of the thickness of first heat preservation packing circle, connects the stationary ring and supports the stability that makes polyurethane insulation circle can not bent easily at the inside promotion polyurethane insulation circle of polyurethane insulation circle with reinforcing thin branch rod mutually supporting.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a cold-resistant anti-bending cable, which is characterized in that an anti-bending protection mechanism is installed, a wire protection rubber sleeve wraps cable wires to play a role in primary protection, a cable wire independent protection mechanism plays a role in independent protection on each cable wire in a cold-resistant anti-bending cable main body, so that the cable wires cannot be influenced mutually, a first toughness protection sleeve and a second toughness protection sleeve are used as supporting points for supporting and protecting the cable wires from the outside of the wire protection rubber sleeve by using a compression-resistant protection seat and a protection annular sleeve, inner arc-shaped compression plates in the compression-resistant protection seat are mutually extruded by using an arch, the toughness of the compression-resistant protection seat is increased, and a central contact point of an inner arc-shaped compression plate is fixed by a fixed elastic column to increase the anti-bending effect of the compression protection seat.
2. The invention provides a cold-resistant anti-bending cable, which is characterized in that an anti-bending protection mechanism is installed, a central anti-bending component plays a role in supporting and stabilizing the center inside a cable conductor, a second toughness protection sleeve and a metal core are fixedly connected by utilizing an anti-compression elastic base plate, a supporting elastic rod supports by utilizing the elasticity of the supporting elastic rod when the anti-compression elastic base plate is compressed to enable the anti-compression elastic base plate to reset, the anti-compression elastic base plate also has certain toughness and elasticity, internal supporting force is provided for the second toughness protection sleeve to enable the second toughness protection sleeve not to be easily bent when the second toughness protection sleeve is compressed, the anti-bending performance of the central anti-bending component is improved, the first toughness protection sleeve and a stretching metal sheet simultaneously utilize the ductility of metal to enable the toughness of the first toughness protection sleeve to be improved, and the cable conductor is subjected to anti-bending protection from the outer side.
3. The invention provides a cold-resistant and bending-resistant cable, wherein a cold-resistant protection mechanism is installed, an outer rubber protective sleeve plays a role in wear-resistant protection on a cold-resistant and bending-resistant cable main body at the outermost layer, a metal grid contained in a first heat-insulating filling ring wraps a polyurethane heat-insulating ring, the firmness of the first heat-insulating filling ring is increased while the heat-insulating function is played, the service life of the cold-resistant and bending-resistant cable main body is prolonged, the polyurethane heat-insulating ring plays a role in heat insulation on a cable wire by utilizing the characteristics of a polymer, the cold-resistant characteristic of the cable wire is increased, the use effect of the cable wire is improved, and a connecting reinforcing ring is matched with a reinforcing fine support rod to improve the stability of the polyurethane heat-insulating ring in the polyurethane heat-insulating ring and support the polyurethane heat-insulating ring so that the polyurethane heat-insulating ring cannot be easily bent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structural cold-resistant protection mechanism of the present invention;
FIG. 3 is a schematic view of the structural anti-buckling protection mechanism of the present invention;
FIG. 4 is a schematic view of a structural center anti-buckling assembly of the present invention;
FIG. 5 is a schematic view of the structural compression resistant resilient backing plate of the present invention;
FIG. 6 is a schematic cross-sectional view of the structure of the present invention;
fig. 7 is a schematic cross-sectional view of the cable conductor independent protection mechanism of the present invention.
In the figure: 1. a cold-resistant bending-resistant cable main body; 11. a cable conductor; 2. an anti-buckling protection mechanism; 21. a first malleable sheath; 22. stretching a metal sheet; 23. a cable wire independent protection mechanism; 231. a protective annular sleeve; 232. a compression-resistant protective seat; 233. an inner arc-shaped pressure-resistant plate; 234. fixing the elastic column; 24. a wire protecting rubber sleeve; 25. a central anti-buckling assembly; 251. a second tough protective sleeve; 252. a metal core; 253. a compression-resistant elastic cushion plate; 2531. supporting the elastic rod; 3. a cold-resistant protection mechanism; 31. an outer rubber protective sleeve; 32. a first heat-preserving filler ring; 33. a polyurethane heat-insulating ring; 331. reinforcing the thin supporting rod; 332. and connecting the reinforcing ring.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-7, the invention provides a cold-resistant bending-resistant cable, comprising a cold-resistant bending-resistant cable main body 1, a cable conductor 11 is arranged inside the cold-resistant bending-resistant cable main body 1, a bending-resistant protection mechanism 2 is arranged outside the cable conductor 11, a cold-resistant protection mechanism 3 is arranged outside the bending-resistant protection mechanism 2, the bending-resistant protection mechanism 2 comprises a first flexible protection sleeve 21, an extended metal sheet 22, a cable conductor independent protection mechanism 23, a conductor protection rubber sleeve 24 and a central bending-resistant assembly 25, the inner surface of the conductor protection rubber sleeve 24 is sleeved with the outer surface of the cable conductor 11, the cold-resistant protection mechanism 3 comprises an outer rubber protection sleeve 31, a first heat preservation filling ring 32 and a polyurethane heat preservation ring 33, the inner surface of the outer rubber protection sleeve 31 is fixedly connected with the outer surface of the first heat preservation filling ring 32, the outer surface of the extended metal sheet 22 is clamped with the outer surface of the first flexible protection sleeve 21, the outer surface of the first flexible protection sleeve 21 is provided with a clamping groove adapted to the extended metal sheet 22, the cable conductor independent protection mechanism 23 is symmetrically provided with a plurality of groups, the cable conductor independent protection mechanism 23 comprises a cable protection sleeve, the annular protection sleeve 231, the outer surface of the annular protection sleeve 21 is contacted with a second flexible protection sleeve 21 and a second flexible protection sleeve 21 which is used for supporting the inner surface of the first flexible protection sleeve 21, the inside interior arc resistance to compression board 233 of resistance to compression protection seat 232 utilizes the arch to extrude each other, increases resistance to compression protection seat 232's toughness, and fixed elastic column 234 fixes the effect that increases resistance to compression protection seat 232's bending to the center contact point of interior arc resistance to compression board 233.
Example 2
As shown in fig. 1 to 7, on the basis of embodiment 1, the present invention provides a technical solution: the side surface of a set of resistance to compression protection seat 232 and the inboard fixed surface of first toughness protective sheath 21 are connected, the side surface of another set of resistance to compression protection seat 232 and the outer fixed surface of central bending subassembly 25 are connected, the inside fixed mounting of resistance to compression protection seat 232 has interior arc resistance to compression board 233, the middle part fixed mounting of interior arc resistance to compression board 233 has fixed elastic column 234, the upper and lower both ends of fixed elastic column 234 contact with resistance to compression protection seat 232's internal surface respectively, wire protection rubber sleeve 24 wraps up cable conductor 11 and plays the effect of preliminary protection, cable conductor independent protection mechanism 23 carries out the effect of independent protection to each cable conductor 11 of cold-resistant bending-resistant cable main part 1 inside, make can not influence each other between the cable conductor 11.
Example 3
As shown in fig. 1 to 7, on the basis of embodiment 1, the present invention provides a technical solution: the central anti-bending assembly 25 comprises a second toughness protection sleeve 251, a metal core 252 is arranged in the center of the second toughness protection sleeve 251, a compression-resistant elastic cushion plate 253 is arranged between the second toughness protection sleeve 251 and the metal core 252, one side of the compression-resistant elastic cushion plate 253 is clamped with the inner surface of the second toughness protection sleeve 251, the other side of the compression-resistant elastic cushion plate 253 is clamped with the outer surface of the metal core 252, clamping grooves matched with the compression-resistant elastic cushion plate 253 are formed in the surfaces of the second toughness protection sleeve 251 and the metal core 252, a supporting elastic rod 2531 is fixedly arranged in the middle of the compression-resistant elastic cushion plate 253, two ends of the supporting elastic rod 2531 are fixedly connected with the surface of the compression-resistant elastic cushion plate 253 respectively, a movable hole matched with the diameter of the supporting elastic rod 2531 is formed in the middle of the compression-resistant elastic cushion plate 253, the outer surface of the supporting elastic rod 2531 is movably connected with the inner wall of the compression-resistant elastic cushion plate 253, the central anti-bending assembly 25 plays a role in the center of the inner portion of the cable 11 in supporting and can be fixedly connected with the compression-resistant elastic cushion plate 253 by the compression elastic cushion plate 253, the second toughness protection sleeve 251 and the elastic cushion plate 253 can be easily reset when the compression-resistant elastic cushion plate 253 is compressed, and the elastic cushion plate 253, the compression-resistant elastic cushion plate 253 can be easily, and the compression-resistant elastic cushion plate can be easily compressed by the compression-resistant elastic cushion plate, and the compression-bending assembly, and the compression-resistant elastic cushion plate 253, and the compression elastic cushion plate 253, the elastic cushion plate can be easily reset, and the compression-resistant elastic cushion plate, and the compression-resistant elastic cushion plate can be easily, and the elastic cushion plate 253.
Example 4
As shown in fig. 1 to 7, on the basis of embodiment 1, the present invention provides a technical solution: the equal fixed mounting in inside and outside both sides of first heat preservation packing ring 32 has the metal mesh, the internal surface of first heat preservation packing ring 32 and the outer fixed surface connection of polyurethane heat preservation ring 33, the internal surface of polyurethane heat preservation ring 33 and the outer fixed surface connection of first toughness protective sheath 21, the surface of polyurethane heat preservation ring 33 is provided with the joint groove with extension foil 22 looks adaptation, the internal surface of polyurethane heat preservation ring 33 and the surface joint of extension foil 22, the middle part fixed mounting of polyurethane heat preservation ring 33 has reinforcing thin branch 331, reinforcing thin branch's middle part runs through has connection reinforcing ring 332, reinforcing thin branch's the external surface and the inner wall fixed connection of polyurethane heat preservation ring 33, the thickness of polyurethane heat preservation ring 33 is the twice of the thickness of first heat preservation packing ring 32, outside rubber protective sheath 31 plays wear-resistant protection's effect to cold-resistant bending cable main part 1 at outermost layer, the metal mesh that first heat preservation packing ring 32 inside contains wraps up polyurethane heat preservation ring 33, increase the firm degree of first heat preservation packing ring 32 when playing heat preservation effect, the life of extension cable main part 1 is strengthened the polyurethane heat preservation ring 33 and is utilized the heat preservation ring 11 to carry out the heat preservation ring 11 to promote the heat preservation cable and the heat preservation ring 11 is easily.
The working principle of the cold-resistant and bending-resistant cable is described in detail below.
As shown in fig. 1-7, firstly, the outer rubber protective sleeve 31 plays a role of wear-resistant protection for the cold-resistant and bending-resistant cable body 1 at the outermost layer, the metal mesh contained in the first heat-insulating filling ring 32 wraps the polyurethane heat-insulating ring 33, the firmness of the first heat-preserving filling ring 32 is increased while the heat preservation effect is achieved, the polyurethane heat-preserving ring 33 plays a heat preservation effect on the cable lead 11 by utilizing the characteristics of the polymer, the cold resistance of the cable lead 11 is increased, then, the ductility of the metal is simultaneously utilized by the first flexible protective sleeve 21 and the extending metal sheet 22 to increase the ductility of the first flexible protective sleeve 21, the inner arc-shaped pressure-resistant plate 233 inside the pressure-resistant protective seat 232 is mutually extruded by an arch to increase the ductility of the pressure-resistant protective seat 232, the central contact point of the inner arc-shaped pressure-resistant plate 233 is fixed by the fixed elastic column 234 to increase the bending resistance effect of the pressure-resistant protective seat 232, finally, the wire protective rubber sleeve 24 wraps the cable wires 11 to play a role in primary protection, the cable wire independent protection mechanism 23 plays an independent protection role in each cable wire 11 inside the cold-resistant bending-resistant cable main body 1, the central bending-resistant assembly 25 plays a role in supporting and stabilizing the center inside the cable wires 11, the second flexible protective sleeve 251 and the metal core 252 are fixedly connected by the pressure-resistant elastic pad 253, the supporting elastic rod 2531 utilizes the elasticity of the supporting elastic rod 253 to support the pressure-resistant elastic pad 253 when the pressure-resistant elastic pad 253 is pressed, so that the pressure-resistant elastic pad 253 can be reset, and the pressure-resistant elastic pad 253 also has certain ductility and can not easily increase the bending resistance of the bending-resistant elastic assembly 25.
The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (10)
1. The utility model provides a cold-resistant bending-resistant cable, includes cold-resistant bending-resistant cable main part (1), the inside of cold-resistant bending-resistant cable main part (1) is provided with cable conductor (11), its characterized in that: the outside of cable conductor (11) is provided with bending protection mechanism (2), the outside of bending protection mechanism (2) is provided with cold-resistant protection mechanism (3), bending protection mechanism (2) is including first toughness protective sheath (21), extension foil (22), cable conductor independent protection mechanism (23), wire protection rubber sleeve (24) and central bending subassembly (25), the internal surface of wire protection rubber sleeve (24) cup joints with the surface of cable conductor (11), cold-resistant protection mechanism (3) is including outside rubber protective sheath (31), first heat preservation packing ring (32) and polyurethane heat preservation circle (33), the internal surface of outside rubber protective sheath (31) is connected with the fixed surface of first heat preservation packing ring (32).
2. The cold-resistant bending-resistant cable according to claim 1, characterized in that: the surface of extension foil (22) and the surface joint of first toughness protective sheath (21), the surface of first toughness protective sheath (21) is provided with the draw-in groove with extension foil (22) looks adaptation.
3. The cold-resistant bending-resistant cable according to claim 1, characterized in that: the cable conductor independent protection mechanism (23) symmetry is provided with the multiunit, cable conductor independent protection mechanism (23) are including protection annular cover (231), the internal surface of protection annular cover (231) contacts with the inboard surface of wire protection rubber sleeve (24), the outside surface of protection annular cover (231) is provided with resistance to compression protection seat (232).
4. The cold-resistant bending-resistant cable according to claim 3, characterized in that: the side surfaces of one group of the compression-resistant protection seats (232) are fixedly connected with the inner side surface of the first flexible protection sleeve (21), and the side surfaces of the other group of the compression-resistant protection seats (232) are fixedly connected with the outer surface of the central anti-bending component (25).
5. The cold-resistant bending-resistant cable according to claim 3, characterized in that: the inside fixed mounting of resistance to compression protection seat (232) has interior arc resistance to compression board (233), the middle part fixed mounting of interior arc resistance to compression board (233) has fixed elastic column (234), the upper and lower both ends of fixed elastic column (234) contact with the internal surface of resistance to compression protection seat (232) respectively.
6. The cold-resistant bending-resistant cable according to claim 1, characterized in that: the central anti-bending assembly (25) comprises a second toughness protection sleeve (251), a metal core (252) is arranged in the center of the interior of the second toughness protection sleeve (251), and a compression-resistant elastic base plate (253) is arranged between the second toughness protection sleeve (251) and the metal core (252).
7. The cold-resistant bending-resistant cable according to claim 6, wherein: one side of the compression-resistant elastic base plate (253) is clamped with the inner surface of the second toughness protection sleeve (251), the other side of the compression-resistant elastic base plate (253) is clamped with the outer surface of the metal core (252), and clamping grooves matched with the compression-resistant elastic base plate (253) are formed in the surfaces of the second toughness protection sleeve (251) and the metal core (252).
8. The cold-resistant bending-resistant cable according to claim 6, wherein: the middle part fixed mounting of resistance to compression elasticity backing plate (253) has support elastic rod (2531), the both ends of supporting elastic rod (2531) respectively with the fixed surface connection of resistance to compression elasticity backing plate (253), the middle part of resistance to compression elasticity backing plate (253) is provided with the movable hole with the diameter adaptation that supports elastic rod (2531), the inner wall swing joint of the surface of supporting elastic rod (2531) and resistance to compression elasticity backing plate (253).
9. The cold-resistant bending-resistant cable according to claim 1, characterized in that: the equal fixed mounting in inside and outside both sides of first heat preservation packing ring (32) has the metal mesh, the internal surface of first heat preservation packing ring (32) and the external fixed surface of polyurethane heat preservation ring (33) are connected, the internal surface of polyurethane heat preservation ring (33) is connected with the external fixed surface of first toughness protective sheath (21), the surface of polyurethane heat preservation ring (33) is provided with the joint groove with extension foil (22) looks adaptation, the internal surface of polyurethane heat preservation ring (33) and the surface joint of extension foil (22).
10. The cold-resistant bending-resistant cable according to claim 1, characterized in that: the middle part fixed mounting of polyurethane heat preservation circle (33) has strengthens thin branch (331), the middle part of strengthening thin branch (331) is run through and is connected reinforcement ring (332), strengthen the surface of thin branch (331) and the inner wall fixed connection of polyurethane heat preservation circle (33), the thickness of polyurethane heat preservation circle (33) is the twice of the thickness of first heat preservation packing ring (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039189.6A CN115410762A (en) | 2022-08-29 | 2022-08-29 | Cold-resistant and bending-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039189.6A CN115410762A (en) | 2022-08-29 | 2022-08-29 | Cold-resistant and bending-resistant cable |
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| Publication Number | Publication Date |
|---|---|
| CN115410762A true CN115410762A (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211039189.6A Pending CN115410762A (en) | 2022-08-29 | 2022-08-29 | Cold-resistant and bending-resistant cable |
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| CN (1) | CN115410762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393213A (en) * | 2023-12-12 | 2024-01-12 | 陕西西特电缆有限公司 | Cold-resistant cable |
-
2022
- 2022-08-29 CN CN202211039189.6A patent/CN115410762A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393213A (en) * | 2023-12-12 | 2024-01-12 | 陕西西特电缆有限公司 | Cold-resistant cable |
| CN117393213B (en) * | 2023-12-12 | 2024-02-23 | 陕西西特电缆有限公司 | Cold-resistant cable |
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