阅读说明：本技术 一种抗拉强度高的电缆及使用方法 (Cable with high tensile strength and use method ) 是由 陈利 于 2020-08-06 设计创作，主要内容包括：本发明提供一种抗拉强度高的电缆,包括用于输送电力的电缆缆芯、用于包裹并且保护电缆缆芯的缆芯内保护层、用于起到绝缘作用的缆芯绝缘层、可以对多重外力进行抵消和支撑的抗外力拉伸机构和用于保护电缆的电缆外保护层,所述电缆缆芯的外侧包裹有缆芯内保护层,涉及电缆领域。该抗拉强度高的电缆根据电缆在放线过程中存在的逐渐增大的拉扯力的问题,设计出可以抗拉,并且抗增压的特殊结构,并且满足透气轻量耐弯曲的需要,从而有效的解决了一般的电缆在放线拉伸的过程中,局部受力且受力越来越大,容易造成电缆错层甚至电缆缆芯的损坏,常用的抗拉伸电缆结构层数较多,各层较厚,电缆自重增大,且包裹紧密,透气性差的问题。(The invention provides a cable with high tensile strength, which comprises a cable core for transmitting electric power, a cable core inner protective layer for wrapping and protecting the cable core, a cable core insulating layer for playing a role in insulation, an external force stretching resistant mechanism capable of offsetting and supporting multiple external forces and a cable outer protective layer for protecting the cable, wherein the cable core inner protective layer is wrapped on the outer side of the cable core, and relates to the field of cables. This cable that tensile strength is high is according to the problem of the power of dragging of the crescent of cable in unwrapping wire in-process existence, design out can the tensile, and the special construction of anti-pressure boost, and satisfy the resistant crooked needs of ventilative light weight, thereby effectual general cable of having solved is at the tensile in-process of unwrapping wire, local atress and atress are more and more big, cause the damage of cable staggered floor or even cable core easily, the stretch-proofing cable structure number of piles commonly used is more, each layer is thicker, the cable dead weight increases, and the parcel is inseparable, the poor problem of gas permeability.)

1. The utility model provides a cable that tensile strength is high, is including cable core (1) that is used for carrying electric power, be used for the parcel and protect cable core (1) cable core inner protective layer (2), cable core insulating layer (3) that are used for playing the insulating effect, can offset and support multiple external force anti external force tensile mechanism (4) and be used for protecting cable's cable outer protective layer (5), its characterized in that: the cable comprises a cable core (1), wherein a cable core inner protective layer (2) wraps the outer side of the cable core (1), a cable core insulating layer (3) is fixedly connected to the surface of the cable core inner protective layer (2), an external force resistant stretching mechanism (4) is arranged between the cable core insulating layer (3) and a cable outer protective layer (5), the cable outer protective layer (5) is sleeved on the external force resistant stretching mechanism (4), the cable core inner protective layer (2) is processed through a plastic extruder, and the cable core insulating layer (3) is formed by extruding and processing again after the cable core inner protective layer (2) is cooled.

2. The high tensile strength cable of claim 1, wherein: anti external force tension mechanism (4) include hollow steel ball (42), a plurality of elastic connection strip (43), first arc connecting strip (44), second arc connecting strip (45), arc support rod (46) and slope bracing piece (47) of inboard rubber supporting layer (41), a plurality of equidistance distribution, the surface of inboard rubber supporting layer (41) is provided with first embedded groove (48) of a plurality of and hollow steel ball (42) one-to-one, the inner wall fixed connection of the surface of hollow steel ball (42) and first embedded groove (48), the inner wall of cable outer protective layer (5) is provided with second embedded groove (49) of a plurality of and hollow steel ball (42) one-to-one, the surface of hollow steel ball (42) and the inner wall fixed connection of second embedded groove (49).

3. The high tensile strength cable of claim 2, wherein: the number of the hollow steel balls (42) is a plurality of rows, the hollow steel balls (42) in each row are distributed at equal intervals, and the hollow steel balls (42) in the plurality of rows are distributed on the inner rubber supporting layer (41) at equal intervals in a circumferential mode.

4. A high tensile strength cable according to claim 3, wherein: adjacent two on the same row be provided with an elastic connection strip (43) between hollow steel ball (42), the material of elastic connection strip (43) includes the spring steel, the surface of elastic connection strip (43) is slight crookedness, the surface of elastic connection strip (43) is smooth, the equal fixedly connected with solid calorie of ball (410) in both ends of elastic connection strip (43), the inside of hollow steel ball (42) is provided with cavity (411), the surface of hollow steel ball (42) is seted up two through-holes (412) of symmetry, solid calorie of ball (410) is located the inside of cavity (411), the diameter ratio of solid calorie of ball (410) is little than the diameter of cavity (411), the diameter ratio of solid calorie of ball (410) is big than the diameter of through-hole (412), the inner wall fixedly connected with a plurality of supporting spring (413) of cavity (411), one end of the supporting spring (413) far away from the inner wall of the cavity (411) is fixedly connected with the surface of the solid clamping ball (410).

5. The high tensile strength cable of claim 4, wherein: the surface fixed connection of hollow steel ball (42) has first arc connecting strip (44), the surface fixed connection of hollow steel ball (42) has second arc connecting strip (45), the middle part of first arc connecting strip (44) and the middle part fixed connection of second arc connecting strip (45), arc of fixedly connected with between two adjacent elastic connection strip (43) of circumference supports pole (46), the equal fixedly connected with in surface of the surface of first arc connecting strip (44) and second arc connecting strip (45) inclines bracing piece (47), the one end of slope bracing piece (47) supports the fixed connection of surface arc top department of pole (46) with the arc.

6. The high tensile strength cable of claim 5, wherein: the structure of the hollow steel ball (42) comprises two hemispheroids (421), wherein an inserting block (422) is fixedly connected to the surface of one hemispheroid (421), an inserting groove (423) corresponding to the inserting block (422) is formed in the surface of the other hemispheroid (421), and the surface of the inserting block (422) is inserted into the inner wall of the inserting groove (423).

7. The high tensile strength cable of claim 6, wherein: the surface fixed connection of inboard rubber supporting layer (41) has heat dissipation tooth (6), be provided with tensile chamber (7) between inboard rubber supporting layer (41) and cable outer protective layer (5), anti external force stretching mechanism (4) set up the inside in tensile chamber (7), the equal fixedly connected with seal ring (8) in both ends of cable outer protective layer (5), the surface of inboard rubber supporting layer (41), the surface of cable core insulating layer (3) all with the fixed surface connection who seals ring (8), cable core (1) and cable core inner protective layer (2) all run through seal ring (8) and with the inner wall fixed connection who seals ring (8), a plurality of bleeder vent (9) have been seted up on the surface of seal ring (8), bleeder vent (9) and the inside intercommunication in tensile chamber (7).

8. The cable with high tensile strength and the using method thereof as claimed in claim 7, wherein: when the cable pulling device is used, when a cable needs to be pulled, pulling external force acts on the cable outer protective layer (5), the pulling external force is transmitted to each hollow steel ball (42) and each first arc-shaped connecting strip (44), a plurality of hollow steel balls (42) and the first arc-shaped connecting strips (44) slightly and elastically move along with rubber of an elastic structure, the elastic connecting strips (43) are pulled, the solid clamping balls (410) apply pulling force on the hemispheroids (421), transverse pulling force is mutually consumed by each metal mechanism, meanwhile, the gripping force is transmitted on the external force resisting stretching mechanism (4), the first arc-shaped connecting strips (44) and the second arc-shaped connecting strips (45) downwards press the inclined supporting rods (47) to transmit the external force to each elastic connecting strip (43) along the circumferential direction, and the first arc-shaped connecting strips (44) and the second arc-shaped connecting strips (45) simultaneously transmit the external force to the circumferential hollow steel balls (42), so make anti external force stretching mechanism (4) encircle and be circular shape protection architecture with cable core insulating layer (3), cable core inner protective layer (2), including cable core (1) protection, when dragging the removal, cable core insulating layer (3), cable core inner protective layer (2), cable core (1) move along with the removal of anti external force stretching mechanism (4), the external force influence that receives is less, the inside heat of cable can first transmit on heat dissipation tooth (6), then dispel the heat through bleeder vent (9) on seal ring (8) in tensile chamber (7) inside.

Technical Field

The invention relates to the technical field of cables, in particular to a cable with high tensile strength and a using method thereof.

Background

The cable is mainly equipment for transmitting electric power, the coiled cable needs to be stretched in the laying process of the cable, at present, the cable is stretched because the weight of the cable is larger, particularly, the paying-off is longer and longer, the pulling force needed to be exerted by the rear stretching needs to be larger and larger, at this time, a part close to the part applying external force can bear larger tearing force, because of the influence of the elastic property of the rubber of a cable wrapping layer, the part of external force has very large force in a local range close to the part applying external force, the internal dislocation of the cable is easy to cause, if the holding force is increased to avoid the dislocation of each layer, the damage of an internal cable core can be caused, at present, for the problem, a plurality of layers of rubber rings are mainly designed to bear the force, or the rubber layers are thickened, and rigid structures are also designed inside, the coiling and the bending of the cable are easy to be influenced, and the dead weight of thickening cable is great, and the tensile pulling force of unwrapping wire also can be bigger, and it is inconvenient to use, and general cable is at the tensile in-process of unwrapping wire, and local atress and atress are more and more big, cause the damage of cable split bed or even cable core easily, and the stretch-proofing cable structure number of piles of commonly using is more, and each layer is thicker, and the cable dead weight increases, and the parcel is inseparable, and the gas permeability is poor, so needs a cable that tensile strength is high.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a cable with high tensile strength and a using method thereof, and solves the problems that the common cable is subjected to larger and larger local stress and larger stress in the paying-off and stretching process, the cable is staggered and even the cable core is easily damaged, the common tensile cable has more structural layers, each layer is thicker, the dead weight of the cable is increased, the wrapping is tight, and the air permeability is poor.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a cable that tensile strength is high, includes the cable core that is used for carrying electric power, is used for the parcel and protects the cable core inner protective layer, is used for playing insulating cable core insulating layer, can offset and support anti external force stretching mechanism and be used for the cable outer protective layer of protection cable to multiple external force, the outside parcel of cable core has cable core inner protective layer, the fixed surface of cable core inner protective layer is connected with the cable core insulating layer, anti external force stretching mechanism sets up between cable core insulating layer and cable outer protective layer, cable outer protective layer cover is established on anti external force stretching mechanism, and cable core inner protective layer goes through the processing of plastics extruder, the cable core insulating layer is formed by extrusion processing once more after the cooling of cable core inner protective layer.

Preferably, the tensile mechanism of anti external force includes hollow steel ball, a plurality of elastic connection strip, first arc connecting strip, second arc connecting strip, arc support pole and the slope bracing piece that inboard rubber supporting layer, a plurality of equidistance distribute, the surface of inboard rubber supporting layer is provided with the first embedded groove of a plurality of and hollow steel ball one-to-one, the surface of hollow steel ball and the inner wall fixed connection of first embedded groove, the inner wall of cable outer protective layer is provided with the second embedded groove of a plurality of and hollow steel ball one-to-one, the surface of hollow steel ball and the inner wall fixed connection of second embedded groove.

Preferably, the number of the hollow steel balls is a plurality of rows, the hollow steel balls in each row are distributed at equal intervals, and the hollow steel balls in the plurality of rows are distributed on the inner rubber supporting layer at equal intervals.

Preferably, adjacent two on the same row be provided with an elastic connection strip between the hollow steel ball, elastic connection strip's material includes the spring steel, elastic connection strip's surface is slight crooked form, elastic connection strip's surface is smooth, solid calorie of ball of the equal fixedly connected with in both ends of elastic connection strip, the inside of hollow steel ball is provided with the cavity, the through-hole of two symmetries is seted up on the surface of hollow steel ball, solid calorie of ball is located the inside of cavity, the diameter of the diameter ratio cavity of solid calorie of ball is little, the diameter of the diameter ratio through-hole of solid calorie of ball is big, the inner wall fixedly connected with a plurality of supporting spring of cavity, the supporting spring keeps away from the one end of cavity inner wall and the fixed surface of solid calorie of ball and is connected.

Preferably, the fixed surface of hollow steel ball is connected with first arc connecting strip, the fixed surface of hollow steel ball is connected with second arc connecting strip, the middle part of first arc connecting strip and the middle part fixed connection of second arc connecting strip, arc that fixedly connected with between two adjacent elastic connection strip of circumference supports the pole, the equal fixedly connected with slope bracing piece in surface of first arc connecting strip and the surface of second arc connecting strip, the one end of slope bracing piece and the arc top of the surface arc department fixed connection that the pole was supported to the arc.

Preferably, the structure of the hollow steel ball comprises two hemispheroids, wherein an insertion block is fixedly connected to the surface of one hemispheroid, a slot corresponding to the insertion block is formed in the surface of the other hemispheroid, and the surface of the insertion block is inserted into the inner wall of the slot.

Preferably, the fixed surface of inboard rubber supporting layer is connected with heat dissipation tooth, be provided with the tensile chamber between inboard rubber supporting layer and the outer protective layer of cable, anti external force stretching mechanism sets up the inside in tensile chamber, the equal fixedly connected with seal ring in both ends of the outer protective layer of cable, the surface of inboard rubber supporting layer, the surface of cable core insulating layer all are connected with the fixed surface of seal ring, cable core and cable core inner protective layer all run through seal ring and with the inner wall fixed connection of seal ring, a plurality of bleeder vent has been seted up on the surface of seal ring, the bleeder vent communicates with the inside in tensile chamber.

(III) advantageous effects

(1) The tensile strength of the cable is greatly improved.

(2) According to the invention, the paying-off is increased, the pulling force is removed, the increased holding force can convert the external force into the axial supporting force, the external force is transmitted in the circumferential direction, so that the external force stretching resistant mechanism is firmer, the key structure in the cable is in a protected state in the pulling process, and the tensile strength is greatly improved.

(3) Compared with the prior art, the invention has the advantages that under the condition of metal tensile strength, the special structure can still meet the requirements of bending and rolling, the ventilation and heat dissipation capability of the internal cavity is stronger, more protective layers are not needed, a thickening layer is not needed, the weight is lightened, and the pulling force is further lightened.

(4) According to the invention, according to the problem of gradually increased pulling force existing in the cable paying-off process, a special structure capable of resisting tension and pressurization is designed, and the requirements of ventilation, light weight and bending resistance are met, so that the problems that the cable is staggered and even the cable core is easily damaged due to the fact that the local stress and the stress are increased in the paying-off and stretching process of a common cable, the number of layers of the common stretching-resistant cable structure is large, each layer is thick, the dead weight of the cable is increased, the wrapping is tight, and the air permeability is poor are effectively solved.

Drawings

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

FIG. 2 is a front view of the tension mechanism of the present invention;

FIG. 3 is a cross-sectional view of the anti-pull mechanism of the present invention;

fig. 4 is a sectional view of a cavity structure of the present invention.

The cable comprises a cable core 1, a cable core inner protection layer 2, a cable core insulating layer 3, a cable core stretching-resisting mechanism 4, an inner rubber supporting layer 41, a hollow steel ball 42, a hemispheroid 421, an insert 422, a 423 slot, an elastic connecting strip 43, a first arc-shaped connecting strip 44, a second arc-shaped connecting strip 45, an arc-shaped abutting rod 46, an inclined supporting rod 47, a first embedded groove 48, a second embedded groove 49, a solid clamping ball 410, a hollow cavity 411, a through hole 412, a supporting spring 413, an outer cable protection layer 5, a heat dissipation tooth 6, a tensile cavity 7, an 8-seal ring and a gas vent 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, an embodiment of the present invention provides a cable with high tensile strength, including a cable core 1 for transmitting power, a cable core inner protective layer 2 for wrapping and protecting the cable core 1, a cable core insulating layer 3 for insulating, an external force stretching resisting mechanism 4 capable of offsetting and supporting multiple external forces, and a cable outer protective layer 5 for protecting the cable, wherein the cable core inner protective layer 2 is wrapped outside the cable core 1, the cable core insulating layer 3 is fixedly connected to the surface of the cable core inner protective layer 2, the external force stretching resisting mechanism 4 is disposed between the cable core insulating layer 3 and the cable outer protective layer 5, the cable outer protective layer 5 is sleeved on the external force stretching resisting mechanism 4, the cable core inner protective layer 2 is processed by a plastic extruder, and the cable core insulating layer 3 is formed by extruding again after the cable core inner protective layer 2 is cooled.

The external force stretching resisting mechanism 4 comprises an inner side rubber supporting layer 41, a plurality of hollow steel balls 42 distributed at equal intervals, a plurality of elastic connecting strips 43, a first arc-shaped connecting strip 44, a second arc-shaped connecting strip 45, arc-shaped resisting rods 46 and an inclined supporting rod 47, wherein a plurality of first embedded grooves 48 corresponding to the hollow steel balls 42 one by one are formed in the surface of the inner side rubber supporting layer 41, the surface of each hollow steel ball 42 is fixedly connected with the inner wall of each first embedded groove 48, a plurality of second embedded grooves 49 corresponding to the hollow steel balls 42 one by one are formed in the inner wall of the cable outer protecting layer 5, the surface of each hollow steel ball 42 is fixedly connected with the inner wall of each second embedded groove 49, the number of the hollow steel balls 42 is a plurality of rows, the hollow steel balls 42 in each row are distributed at equal intervals, and a plurality of emptying core steel balls 42 are distributed at equal intervals on the inner side rubber supporting layer 41.

An elastic connecting strip 43 is arranged between two adjacent hollow steel balls 42 on the same row, the material of the elastic connecting strip 43 comprises spring steel, the surface of the elastic connecting strip 43 is slightly bent, the surface of the elastic connecting strip 43 is smooth, two ends of the elastic connecting strip 43 are fixedly connected with a solid clamping ball 410, a cavity 411 is arranged in the hollow steel ball 42, two symmetrical through holes 412 are arranged on the surface of the hollow steel ball 42, the solid clamping ball 410 is positioned in the cavity 411, the diameter of the solid clamping ball 410 is smaller than that of the cavity 411, the diameter of the solid clamping ball 410 is larger than that of the through hole 412, a plurality of supporting springs 413 are fixedly connected to the inner wall of the cavity 411, one ends of the supporting springs 413 far away from the inner wall of the cavity 411 are fixedly connected with the surface of the solid clamping ball 410, a first arc-shaped connecting strip 44 is fixedly connected to the surface of the hollow steel ball 42, a second arc-shaped connecting strip 45 is fixedly connected to the surface of the hollow steel ball 42, the middle part of first arc connecting strip 44 and the middle part fixed connection of second arc connecting strip 45, arc of fixedly connected with between two adjacent elastic connection strip 43 of circumference supports pole 46, equal fixedly connected with slope bracing piece 47 on the surface of first arc connecting strip 44 and the surface of second arc connecting strip 45, the one end of slope bracing piece 47 and the arc of surface arc top department fixed connection who supports pole 46, hollow steel ball 42's structure includes two hemispheroids 421, the fixed surface of one of them hemispheroid 421 is connected with inserted block 422, the corresponding slot 423 with inserted block 422 has been seted up on the surface of another hemispheroid 421, the surface of inserted block 422 is pegged graft with the inner wall of slot 423.

Inboard rubber support layer 41's fixed surface is connected with heat dissipation tooth 6, be provided with tensile chamber 7 between inboard rubber support layer 41 and the cable outer protective layer 5, anti external force stretching mechanism 4 sets up the inside in tensile chamber 7, the equal fixedly connected with seal ring 8 in both ends of cable outer protective layer 5, inboard rubber support layer 41's surface, the surface of cable core insulating layer 3 all is connected with the fixed surface of seal ring 8, cable core 1 and cable core inner protective layer 2 all run through seal ring 8 and with the inner wall fixed connection of seal ring 8, a plurality of bleeder vent 9 has been seted up on the surface of seal ring 8, bleeder vent 9 communicates with the inside in tensile chamber 7.

When the cable is required to be pulled, the pulling external force acts on the cable outer protective layer 5 and is transmitted to the hollow steel balls 42 and the first arc-shaped connecting strips 44, the hollow steel balls 42 and the first arc-shaped connecting strips 44 slightly and elastically move along with the rubber of the elastic structure, the elastic connecting strips 43 are pulled, the solid clamping balls 410 apply the pulling force to the hemispheroid 421, the transverse pulling force is mutually consumed by the metal mechanisms, meanwhile, the gripping force is transmitted on the external force resisting stretching mechanism 4, the first arc-shaped connecting strips 44 and the second arc-shaped connecting strips 45 press the inclined supporting rod 47 to transmit the external force to the elastic connecting strips 43 along the circumferential direction, the first arc-shaped connecting strips 44 and the second arc-shaped connecting strips 45 simultaneously transmit the external force to the circumferential hollow steel balls 42, and therefore, the external force resisting stretching mechanism 4 surrounds the cable core insulating layer 3 in a circular protective structure to transmit the external force, Including protection of cable core inner protective layer 2, cable core 1, when dragging and moving, cable core insulating layer 3, cable core inner protective layer 2, cable core 1 remove along with the removal of anti external force stretching mechanism 4, and the external force influence that receives is less, and the inside heat of cable can first transmit to heat dissipation tooth 6, then dispel the heat through the bleeder vent 9 jin on the seal ring 8 in tensile chamber 7 inside.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.