CN114883041B

CN114883041B - From stretch-proofing wear-resisting type cable of early warning formula

Info

Publication number: CN114883041B
Application number: CN202210766794.7A
Authority: CN
Inventors: 陆兵; 胡东华; 张彪
Original assignee: Nantong Tongneng Communication Technology Co ltd
Current assignee: Nantong Tongneng Communication Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-06
Anticipated expiration: 2042-07-01
Also published as: CN114883041A

Abstract

The invention discloses a self-warning type stretch-resistant wear-resistant cable, which belongs to the technical field of cables, and can play a wear-resistant role under the isolation action of outer isolation rings by sleeving a plurality of outer isolation rings on a cable body, and simultaneously connecting middle stretching beams between the outer isolation rings, even if the cable body is dragged on the ground in a normal state, when the cable body is blocked or abnormally stretched in the laying process, an inner supporting ring sheet in the outer isolation ring can be pulled to incline towards the stretching direction under the pulling action of the outer isolation rings, on one hand, the outer isolation rings start to shrink to avoid an obstacle after losing the support of the inner supporting ring sheet, on the other hand, early warning is carried out by extruding early warning liquid into the middle stretching beams to prompt technical personnel that the cable body is in an abnormally stretched state at the moment, compared with the existing cable, the self-warning type stretch-resistant wear-resistant cable has good stretch resistance and wear resistance, meanwhile, the cable body is not easy to be damaged due to early warning in time.

Description

From anti-stretching wear-resisting type cable of early warning formula

Technical Field

The invention relates to the technical field of cables, in particular to a self-warning type stretch-resistant wear-resistant cable.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires.

Definition 1: the cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and is used for transmitting power or information from one place to another place.

Definition 2: typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

The electric wire and cable products adopted by the electric power system mainly comprise an overhead bare wire, a bus bar (bus), an electric power cable (a plastic cable, an oil paper cable (basically replaced by the plastic electric power cable), a rubber sleeve cable, an overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire, an electric equipment wire and a cable for electric power equipment and the like.

The existing cable is inevitably dragged and stretched in the laying process, once the phenomenon of overlarge stress occurs, the cable is damaged by cracking, abrasion and the like, so that the normal use of the cable is influenced, meanwhile, the cable is not easy to find, and more loss is easy to be expected after being ignored.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a self-warning type stretch-resistant wear-resistant cable which can be used for dragging a cable body on the ground in a normal state to play a wear-resistant role under the isolation action of outer isolation rings by sleeving a plurality of outer isolation rings on the cable body and connecting middle tension beams between the outer isolation rings, and can pull inner support ring sheets in the outer isolation rings to incline towards the stretching direction under the dragging action of the outer isolation rings when an obstacle is blocked or abnormally stretched in the laying process, so that the outer isolation rings start to shrink to avoid the obstacle after losing the support of the inner support ring sheets on one hand, and squeeze a warning liquid into the middle tension beams to give a color warning to prompt technical personnel that the cable body is in an abnormally stretched state at the moment, compared with the existing cable, the self-warning type stretch-resistant wear-resistant cable has good stretch resistance and wear resistance, meanwhile, the cable body is not easy to be damaged due to early warning in time.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a from tensile wear-resisting type cable of early warning formula, includes the cable body, cable body outer end has cup jointed a plurality of evenly distributed's outer cage, and is adjacent fixedly connected with many evenly distributed's well tensile bundle between the outer cage, outer cage outer end center department inlays and is connected with wear-resisting outer loop, cable body outer end still a plurality of inner supporting ring pieces corresponding with outer cage of fixedly connected with, and looks butt between inner supporting ring piece and the wear-resisting outer loop, equal fixedly connected with many elastic support silks between both ends and the cable body about the inner supporting ring piece, and well tensile bundle runs through outer cage and extends to inboard and inner supporting ring piece and be connected near the one end of wear-resisting outer loop, outer cage intussuseption is filled with early warning liquid.

Further, well tensile bundle includes outer shading pipe, inelastic pull wire and a plurality of color development point membrane, inelastic pull wire is inserted and is located outer shading pipe inboard, and inelastic pull wire extends to outer spacer ring inboard and is connected with interior spacer ring piece, outer shading union coupling keeps the intercommunication between a pair of adjacent outer spacer ring, color development point membrane evenly inlays in the outer end of outer shading pipe, and when the cable body received tensile or ground barrier to block, well tensile bundle also received tensile in step, wherein inelastic pull wire pulls interior spacer ring piece towards tensile direction slope to extrusion early warning liquid enters into outer shading pipe in to it realizes the early warning to be full of color development point membrane makes its swell color development.

Furthermore, the outer color shading pipe is made of non-transparent flexible materials, and the left end and the right end of the outer color shading pipe are both trumpet-shaped.

Furthermore, the color developing dot film is made of transparent elastic materials and is in a shrinkage state.

Further, the institute wear-resisting outer loop is including wear-resisting ring body, interior stifled pearl and many elasticity silk that resets, the reducing hole has been seted up to wear-resisting ring body center department, interior stifled pearl activity is inlayed in the reducing hole, elasticity silk that resets is connected between reducing hole outside opening part and interior stifled pearl, elasticity silk that resets receives the magnetic attraction effect back shutoff of interior vaulting ring piece to the inboard opening part in reducing hole, avoid inside early warning liquid to take place to leak from reducing hole, including prop the ring piece and be dragged the slope after, interior stifled pearl resets to outside opening part under the elastic action of elasticity silk that resets, early warning liquid can enter into in the reducing hole this moment to support the ring piece again after reseing and adsorb interior stifled pearl, and that part early warning liquid that gets into the reducing hole just can flow, can realize the early warning effect on the one hand, on the other hand can play lubricated effect.

Furthermore, the wear-resistant ring body is made of metal wear-resistant materials, and the inner plugging bead is made of ferromagnetic materials.

Furthermore, the reducing hole is of a bottle-shaped structure with two sides shrunk and the middle part enlarged, the inner blocking beads are in interference fit with the openings on the two sides of the reducing hole, and the inner blocking beads can move back and forth at the openings on the two sides of the reducing hole, so that the early warning liquid can be absorbed and released.

Further, interior vaulting ring piece includes substrate, stifled liquid strip and interior magnetic core, substrate and cable body elastic connection, stifled liquid strip fixed connection is close to the one end of wear-resisting outer loop in the substrate, interior magnetic core inlays and connects between substrate and stifled liquid strip, and the substrate plays the effect of supporting outer isolating ring, and stifled liquid strip is then in the cooperation stifled pearl realization to the shutoff of reducing hole, and interior magnetic core is used for adsorbing shutoff reducing hole to interior stifled pearl.

Furthermore, the substrate is made of a hard material, the liquid blocking strip is made of an elastic sealing material, and the inner magnetic core is made of a magnetic material.

Furthermore, the early warning liquid is a mixture of lubricating oil and early warning particles, the mass ratio of the lubricating oil to the early warning particles is 10:1, the early warning particles are iron, cobalt or nickel particles coated with colored paint, the early warning particles are convenient to convey to a middle tensile beam for color development early warning under the flowing action of the lubricating oil, meanwhile, the lubricating oil can carry the early warning particles to release to the outer side to lubricate the wear-resistant outer ring, so that the wear-resistant effect of the wear-resistant outer ring is improved, wear is reduced, meanwhile, the inner blocking beads can adsorb the early warning particles to achieve a long-acting lubricating effect, and the early warning particles are not easy to lose when being dragged on the ground.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can lead the cable body to be dragged on the ground in a normal state by sleeving the outer isolating rings on the cable body and connecting the middle stretching beam between the outer isolating rings, the outer isolating ring can play a role of wear resistance under the isolating action of the outer isolating ring, and simultaneously when the outer isolating ring meets obstacles and is blocked or is abnormally stretched in the laying process, under the dragging action of the outer isolating ring, the inner supporting ring sheets in the outer isolating ring can be pulled to incline towards the stretching direction, on one hand, the outer isolating ring starts to shrink to avoid obstacles after losing the support of the inner supporting ring sheets, on the other hand, the early warning liquid is extruded to enter the middle stretching beam to carry out color-rendering early warning to prompt a technician that the cable body is in an abnormal stretching state at the moment, compared with the existing cable, the cable provided by the invention has good tensile resistance and wear resistance, and can be used for early warning in time to prevent the cable body from being damaged.

(2) Well drawing is restrainted and is included outer color shading pipe, inelastic pull wire and a plurality of color development point membrane, inelastic pull wire is inserted and is located outer color shading intraductal side, and inelastic pull wire extends to outer spacer ring inboard and is connected with interior spacer ring piece, outer color shading union coupling keeps the intercommunication between a pair of adjacent outer spacer ring, color development point membrane evenly inlays in the outer end of outer color shading pipe, when the cable body receives tensile or ground barrier to block, well drawing is restrainted and is stretched in step too, wherein inelastic pull wire pulls interior spacer ring piece towards tensile direction slope, thereby extrude early warning liquid and enter into outer color shading intraductal, and flood in color development point membrane makes its swell color development realize the early warning.

(3) The wear-resisting outer loop that is equipped with including wear-resisting ring body, interior stifled pearl and many elasticity silk that resets, the reducing hole has been seted up to wear-resisting ring body center department, the activity of interior stifled pearl is inlayed in the reducing hole, elasticity silk that resets is connected between reducing hole outside opening part and interior stifled pearl, elasticity silk that resets receives the magnetic attraction effect back shutoff of interior vaulting ring piece to the inboard opening part in reducing hole, avoid inside early warning liquid to take place to leak from reducing hole, after interior vaulting ring piece is dragged the slope, interior stifled pearl resets to outside opening part under the elasticity effect of elasticity silk that resets, early warning liquid can enter into in the reducing hole this moment, and adsorb interior stifled pearl again after interior vaulting ring piece resets, and that part early warning liquid that gets into the reducing hole just can flow, can realize the early warning effect on the one hand, on the other hand can play lubricated effect.

(4) The inner supporting ring piece comprises a substrate, a liquid blocking strip and an inner magnetic core, the substrate is elastically connected with the cable body, the liquid blocking strip is fixedly connected to one end, close to the wear-resistant outer ring, of the substrate, the inner magnetic core is embedded and connected between the substrate and the liquid blocking strip, the substrate plays a role in supporting the outer isolating ring, the liquid blocking strip is matched with the inner blocking bead to block the reducing hole, and the inner magnetic core is used for adsorbing the inner blocking bead to block the reducing hole.

(5) The early warning liquid is a mixture of lubricating oil and early warning particles, the mass ratio of the lubricating oil to the early warning particles is 10:1, the early warning particles are iron, cobalt or nickel particles coated with colored paint, the early warning particles are convenient to convey to a middle tensile beam for color development early warning under the flowing action of the lubricating oil, meanwhile, the lubricating oil can carry the early warning particles to release to the outer side to lubricate the wear-resistant outer ring, so that the wear-resistant effect of the wear-resistant outer ring is improved, wear is reduced, meanwhile, the inner blocking beads can adsorb the early warning particles to achieve a long-acting lubricating effect, and the early warning particles are not easy to lose when being dragged on the ground.

Drawings

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

FIG. 2 is a cross-sectional view of a portion of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a cross-sectional view of the stretched bundle of the present invention in a normal state;

FIG. 5 is a cross-sectional view of the tensile strand of the present invention in an early warning state;

FIG. 6 is a schematic structural view of the wear-resistant outer ring of the present invention in a normal state;

FIG. 7 is a schematic view of the structure at B in FIG. 6;

FIG. 8 is a schematic structural view of the wear-resistant outer ring of the present invention in an early warning state;

FIG. 9 is a partial schematic view of the structure of the present invention in abnormal stretching.

The numbering in the figures illustrates:

the cable comprises a cable body 1, an outer isolating ring 2, a middle stretching beam 3, an outer shading tube 31, an inelastic pull wire 32, a color developing dot film 33, an inner supporting ring sheet 4, a substrate 41, a liquid blocking strip 42, an inner magnetic core 43, an elastic supporting wire 5, an abrasion-resistant outer ring 6, an abrasion-resistant ring body 61, an inner blocking bead 62 and an elastic restoring wire 63.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a self-warning type stretch-resistant and wear-resistant cable includes a cable body 1, a plurality of evenly distributed outer isolation rings 2 are sleeved at the outer end of the cable body 1, a plurality of evenly distributed middle tensile beams 3 are fixedly connected between adjacent outer isolation rings 2, a wear-resistant outer ring 6 is connected to the center of the outer end of each outer isolation ring 2 in an embedded manner, a plurality of inner supporting ring pieces 4 corresponding to the outer isolation rings 2 are fixedly connected to the outer end of the cable body 1, the inner supporting ring pieces 4 are in butt joint with the wear-resistant outer ring 6, a plurality of elastic support wires 5 are fixedly connected between the left end and the right end of each inner supporting ring piece 4 and the cable body 1, the middle tensile beams 3 penetrate through the outer isolation rings 2 and extend to the inner side to be connected with one end, close to the wear-resistant outer ring 6, of the inner supporting ring pieces 4, and a warning liquid is filled in the outer isolation rings 2.

Referring to fig. 4-5, the middle tensile beam 3 includes an outer color shielding tube 31, an inelastic pulling wire 32 and a plurality of color developing dot films 33, the inelastic pulling wire 32 is inserted inside the outer color shielding tube 31, the inelastic pulling wire 32 extends to the inside of the outer isolation ring 2 and is connected with the inner spacer 4, the outer color shielding tube 31 is connected between a pair of adjacent outer isolation rings 2 and keeps communicating, the color developing dot films 33 are uniformly embedded at the outer end of the outer color shielding tube 31, when the cable body 1 is stretched or blocked by a ground obstacle, the middle tensile beam 3 is also stretched synchronously, wherein the inelastic pulling wire 32 pulls the inner spacer 4 to incline towards the stretching direction, so as to extrude the early warning liquid into the outer color shielding tube 31 and to be full of the color developing dot films 33 to achieve early warning of color development of the bulge.

The outer color masking tube 31 is made of non-transparent flexible material, and the left and right ends of the outer color masking tube 31 are trumpet-shaped.

The color developing dot film 33 is made of a transparent elastic material, and the color developing dot film 33 is in a contracted state.

Referring to fig. 6-8, the wear-resistant outer ring 6 includes a wear-resistant ring body 61, an inner blocking bead 62 and a plurality of elastic restoring wires 63, a reducing hole is formed in the center of the wear-resistant ring body 61, the inner blocking bead 62 is movably embedded in the reducing hole, the elastic restoring wires 63 are connected between the outer opening of the reducing hole and the inner blocking bead 62, the elastic restoring wires 63 are blocked to the inner opening of the reducing hole after being magnetically attracted by the inner supporting ring piece 4, so as to prevent the leakage of the internal early warning liquid from the reducing hole, after the inner supporting ring piece 4 is dragged and inclined, the inner blocking bead 62 is reset to the outer opening under the elastic force of the elastic reset wire 63, at the moment, the early warning liquid can enter the reducing hole, and the inner blocking bead 62 is adsorbed again after the inner supporting ring piece 4 is reset, and the part of the early warning liquid entering the reducing hole flows out, so that the early warning effect can be realized on the one hand, and the lubricating effect can be realized on the other hand.

The wear-resistant ring body 61 is made of metal wear-resistant material, and the inner plugging bead 62 is made of ferromagnetic material.

The reducing hole is of a bottle-shaped structure with two contracted sides and an enlarged middle part, the inner blocking beads 62 are in interference fit with openings on two sides of the reducing hole, and the inner blocking beads 62 can move in a reciprocating mode at the openings on two sides of the reducing hole, so that the early warning liquid can be absorbed and released.

Inner support ring piece 4 includes substrate 41, stifled liquid strip 42 and interior magnetic core 43, substrate 41 and cable body 1 elastic connection, stifled liquid strip 42 fixed connection is in substrate 41 near the one end of wear-resisting outer loop 6, interior magnetic core 43 inlays and connects between substrate 41 and stifled liquid strip 42, substrate 41 plays the effect of supporting outer isolating ring 2, stifled liquid strip 42 then cooperates interior stifled pearl 62 to realize the shutoff to the reducing hole, interior magnetic core 43 is used for adsorbing shutoff reducing hole to interior stifled pearl 62.

The substrate 41 is made of hard material, the liquid blocking strip 42 is made of elastic sealing material, and the inner magnetic core 43 is made of magnetic material.

The early warning liquid is a mixture of lubricating oil and early warning particles, the mass ratio of the lubricating oil to the early warning particles is 10:1, the early warning particles are iron, cobalt or nickel particles coated with colored paint, the early warning particles are convenient to convey into the middle tensile beam 3 for color development early warning under the flowing action of the lubricating oil, meanwhile, the lubricating oil can carry the early warning particles to release to the outside to lubricate the wear-resistant outer ring 6, so that the wear-resistant effect of the wear-resistant outer ring 6 is improved, wear is reduced, meanwhile, the inner blocking beads 62 can adsorb the early warning particles to achieve a long-acting lubricating effect, and the early warning particles are not easy to lose when being dragged on the ground.

Referring to fig. 9, the cable of the invention can be connected with a plurality of outer isolation rings 2 by sleeving on the cable body 1, and the middle stretching beam 3 is connected between the outer isolation rings 2, so that even if the cable body 1 is dragged on the ground in a normal state, the cable can play a wear-resistant role under the isolation effect of the outer isolation rings 2, and simultaneously when an obstacle is blocked or abnormally stretched in the laying process, the inner supporting ring sheet 4 in the outer isolation rings 2 can be pulled to incline towards the stretching direction under the dragging effect of the outer isolation rings 2, on one hand, the outer isolation rings 2 start to shrink to avoid the obstacle after losing the support of the inner supporting ring sheet 4, on the other hand, the extrusion early warning liquid enters the middle stretching beam 3 to perform color early warning to prompt a technician that the cable body 1 is in an abnormally stretched state at the moment, compared with the existing cable, the cable of the invention has good stretch resistance and wear resistance, meanwhile, the cable body 1 is not easy to be damaged due to early warning in time.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a stretch-proofing wear-resisting type cable of self-warning formula, includes cable body (1), its characterized in that: outer spacer ring (2) of a plurality of evenly distributed have been cup jointed to cable body (1) outer end, and is adjacent a plurality of evenly distributed's of fixedly connected with well stretch between outer spacer ring (2) is restrainted (3), outer spacer ring (2) outer end center department is inlayed and is connected with wear-resisting outer ring (6), wear-resisting outer ring (6) are including wear-resisting ring body (61), interior stifled pearl (62) and many elasticity silk (63) that reset, reducing hole has been seted up to wear-resisting ring body (61) center department, interior stifled pearl (62) activity is inlayed in reducing hole, elasticity silk (63) that resets are connected between reducing hole outside opening part and interior stifled pearl (62), cable body (1) outer end still fixedly connected with a plurality of interior bracing ring pieces (4) corresponding with outer spacer ring (2), and looks butt between interior bracing ring piece (4) and wear-resisting outer ring (6), well stretch restraint (3) including hiding look pipe (31) outward, Inelastic pulling wires (32) and a plurality of color rendering point films (33), the inelastic pulling wires (32) are inserted into the inner side of the outer color shading tube (31), the inelastic pulling wires (32) extend to the inner side of the outer isolating ring (2) to be connected with the inner supporting ring piece (4), the outer color shading tube (31) is connected between a pair of adjacent outer isolating rings (2) and keeps communicated, the color rendering point films (33) are uniformly embedded in the outer end of the outer color shading tube (31), the inner supporting ring piece (4) comprises a substrate (41), a liquid blocking strip (42) and an inner magnetic core (43), the substrate (41) is elastically connected with the cable body (1), the liquid blocking strip (42) is fixedly connected to one end, close to the wear-resistant outer ring (6), of the substrate (41) and the liquid blocking strip (42), the inner magnetic core (43) is embedded between the substrate (41) and the liquid blocking strip (42), a plurality of elastic supporting wires (5) are fixedly connected between the left end and the right end of the inner supporting ring piece (4) and the cable body (1), and the middle stretching beam (3) penetrates through the outer isolation ring (2) and extends to the inner side to be connected with one end, close to the wear-resistant outer ring (6), of the inner supporting ring sheet (4), and the outer isolation ring (2) is filled with early warning liquid.

2. The self-warning stretch-resistant wear-resistant cable according to claim 1, characterized in that: the outer color shading pipe (31) is made of non-transparent flexible materials, and the left end and the right end of the outer color shading pipe (31) are both trumpet-shaped.

3. The self-warning stretch-resistant wear-resistant cable according to claim 1, wherein: the color developing dot film (33) is made of transparent elastic materials, and the color developing dot film (33) is in a contraction state.

4. The self-warning stretch-resistant wear-resistant cable according to claim 1, wherein: the wear-resistant ring body (61) is made of a metal wear-resistant material, and the inner blocking bead (62) is made of a ferromagnetic material.

5. The self-warning stretch-resistant wear-resistant cable according to claim 1, characterized in that: the reducing hole is of a bottle-shaped structure with two sides contracted and the middle enlarged, and the inner blocking bead (62) is in interference fit with the openings at the two sides of the reducing hole.

6. The self-warning stretch-resistant wear-resistant cable according to claim 1, characterized in that: the substrate (41) is made of a hard material, the liquid blocking strip (42) is made of an elastic sealing material, and the inner magnetic core (43) is made of a magnetic material.

7. The self-warning stretch-resistant wear-resistant cable according to claim 1, wherein: the early warning liquid is a mixture of lubricating oil and early warning particles, the mass ratio of the lubricating oil to the early warning particles is 10:1, and the early warning particles are iron, cobalt or nickel particles coated with colored paint.