CN112102995B - Force transfer type anti-bending cable - Google Patents
Force transfer type anti-bending cable Download PDFInfo
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- CN112102995B CN112102995B CN202010921108.XA CN202010921108A CN112102995B CN 112102995 B CN112102995 B CN 112102995B CN 202010921108 A CN202010921108 A CN 202010921108A CN 112102995 B CN112102995 B CN 112102995B
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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
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/181—Protections not provided for in groups H01B7/182 - H01B7/26 composed of beads or rings
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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
- H01B7/185—Sheaths comprising internal cavities or channels
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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
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
- H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
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Abstract
The invention discloses a force transfer type anti-bending cable, belonging to the cable field, comprising a core layer, an insulating layer wrapped outside the core layer and an outer sheath layer wrapped outside the insulating layer, when the cable is subjected to bending force, the bending force is effectively guided to bend towards a softer bending inhibiting strip under the action of a force transfer strip, so that the bending is effectively controlled to mainly occur at the bending inhibiting strip, at the moment, a bidirectional stay bar in an overlapped cavity in the cable is deformed under the action of a bending inhibiting ball chain in the bending inhibiting strip, meanwhile, thrust towards two sides is generated on a reverse multi-ball resisting sheet, the middle part of an inner force inhibiting bag is subjected to extrusion force, silica gel particles move from the middle part to two sides, the two sides bulge to play a reverse extrusion role on a plurality of force moving balls, further, the integral deformation of the reverse multi-ball resisting sheet is effectively inhibited, and the anti-bending effect of the cable is further improved, and then effectively avoid this cable to take place the damaged condition of local ageing to show reduction potential safety hazard.
Description
Technical Field
The invention relates to the field of cables, in particular to a force transfer type bending-resistant cable.
Background
The cable is mainly composed of the following 4 parts. Firstly, a conductive wire core: made of a high conductivity material (copper or aluminum). Each core may be formed by twisting a single wire or a plurality of wires according to the requirement of laying and using conditions on the flexibility degree of the cable. Insulating layer: the insulating material used as the cable should have high insulation resistance, high breakdown field strength, low dielectric loss and low dielectric constant. Common insulating materials used in cables are oil-impregnated paper, polyvinyl chloride, polyethylene, crosslinked polyethylene, rubber, and the like. Cables are often classified as insulating materials, such as oil impregnated paper insulated cables, polyvinyl chloride cables, crosslinked polyethylene cables, and the like. Sealing the sheath: protecting the insulated wire core from mechanical, moisture, humidity, chemicals, light, etc. For moisture-sensitive insulation, a lead or aluminum extrusion seal jacket is generally used. Protecting the covering layer: to protect the sealing boot from mechanical damage. Galvanized steel strips, steel wires or copper strips, copper wires and the like are generally used as armor to wrap the armor outside a sheath (called an armored cable), and the armor layer simultaneously plays the roles of shielding an electric field and preventing external electromagnetic wave interference. In order to avoid corrosion of the steel belts and wires by the surrounding medium, they are generally coated with asphalt or wrapped with an impregnated jute layer or an extruded polyethylene or polyvinyl chloride sheath.
The cable is rolled up at the general lapping of transportation and is made, therefore the cable has certain anti power of buckling, but the cable is in installation or use, often can accidentally take place the degree of buckling and be far more than the degree of buckling when rolling up, when taking place great buckle and fail in time reconversion, the bending point is in fatigue state all the time, lead to this department faster ageing than other positions easily, lead to using the back for a long time, the local damaged condition easily appears in the cable, has certain potential safety hazard.
Disclosure of Invention
1. Technical problem to be solved
In view of the problems of the prior art, it is an object of the present invention to provide a force-transferring, bend-resistant cable that, when subjected to a bending force, the bending force is effectively guided to bend towards the softer bending-inhibiting strip under the action of the force transfer strip, so that the bending is effectively controlled to mainly occur at the bending-inhibiting strip, and the action of the bending-inhibiting ball chain in the bending-inhibiting strip is matched at the moment, the bidirectional stay bar in the overlapped cavity inside the bidirectional stay bar deforms, and simultaneously generates thrust towards two sides on the reverse multi-ball resisting sheets, so that the middle part of the inner force-restraining bag is extruded, the silica gel particles move from the middle part to two sides, the two sides bulge to play a reverse extrusion role on a plurality of power balls, thereby effectively inhibiting the deformation of the whole reverse multi-ball resisting sheet, further improving the anti-bending effect of the cable, and then effectively avoid this cable to take place the damaged condition of local ageing to show reduction potential safety hazard.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A force transfer type anti-bending cable comprises a cable core layer, an insulating layer wrapped outside the cable core layer and an outer sheath layer wrapped outside the insulating layer, wherein the outer end of the outer sheath layer is fixedly connected with a plurality of uniformly distributed bending inhibiting strips, the bending inhibiting strips are internally inlaid with bending inhibiting ball chains, each bending inhibiting ball chain comprises a plurality of embedded balls, two adjacent embedded balls are mutually inlaid to form an overlapped cavity, the overlapped cavity is internally and longitudinally provided with a bidirectional stay bar, the upper end part and the lower end part of the bidirectional stay bar are both contacted with the inner wall of the overlapped cavity, the outer end of the bidirectional stay bar is fixedly connected with a plurality of uniformly distributed force guide stay bars, the end parts of the force guide stay bars are provided with reverse multi-ball resisting sheets, one ends of the reverse multi-ball resisting sheets, far away from the force guide stay bars, are contacted with the inner wall of the overlapped cavity, when the cable is subjected to bending force, the bending force is effectively guided to the bending inhibiting strips, thereby effective control is buckled and is mainly taken place in the strip department of buckling, the effect of the ball chain of buckling of inhibiting in the strip is buckled in the cooperation this moment, deformation takes place for two-way vaulting pole in its inside overlapping cavity, produce the thrust to both sides to reverse many ball butt simultaneously, make interior restraint force bag middle part receive the extrusion force, make the silica gel granule remove to both sides from the middle part, both sides are bloated and are played reverse extrusion to a plurality of power balls, and then effectively restrain the holistic deformation volume of reverse many ball butt, thereby further improve the anti effect of buckling of this cable, and then effectively avoid this cable to take place the damaged condition of local aging, thereby show reduction potential safety hazard.
Further, outer oversheath layer outer end fixedly connected with a plurality of evenly distributed's power transfer strip, it is a plurality of power transfer strip and the alternate distribution of folding restraining strip, and folding restraining strip and power transfer strip fixed connection.
Further, the power transfer strip is bellied ARC structure, it is straight structure to press down a strip terminal surface, and power transfer strip apex is higher than press down a strip surface, power transfer strip hardness is greater than press down a strip hardness, and when this cable received the bending force, because the protruding effect of cambered surface and great hardness of power transfer strip, it is difficult for taking place to buckle in pressing down a strip, can effectively protect the cable on the one hand and be difficult for damaging because of buckling, and on the other hand effectively guides the bending force to buckle to softer press down a strip department to effective control buckles mainly takes place in pressing down a strip department.
Further, two-way vaulting pole is including two vaulting point balls that are located upper and lower both sides and the power of fixed connection between two vaulting point balls becomes the folding rod, and power becomes the folding rod and overlaps the inner wall contact of cavity, and the position of contact is close to the depressed part between two gomphosis balls for when receiving the bending force, two-way vaulting pole can all play certain effect of leaning on to two adjacent gomphosis balls, thereby the scope of buckling between two effective control gomphosis balls makes the gomphosis ball play certain anti buckling effect.
Further, the supporting point ball comprises a supporting end and a force variable end fixedly connected to the supporting end and close to one end of the force variable folding rod, non-Newtonian fluid is filled in the force variable end, a plurality of reinforcing points are inlaid at the outer end of the supporting end, the reinforcing points are in contact with the inner wall of the coincidence cavity, the strength of the whole supporting point ball can be effectively increased through the reinforcing points, and the supporting point ball is not easily damaged when being subjected to bending force.
Furthermore, the force variable folding rod is of a hollow elastic structure and is communicated with the force variable end, the non-Newtonian fluid is filled in the force variable end and the force variable folding rod in a saturated mode, when the force variable end is subjected to bending force, the force variable end is stressed to deform, the non-Newtonian fluid in the force variable folding rod gushes into the force variable folding rod, meanwhile, the force variable folding rod is stressed to deform to a certain extent, and the gushed non-Newtonian fluid is hardened under the action of rapid deformation force, so that the force variable folding rod is effectively prevented from continuing to form, and the effect of the bidirectional stay bar on bending prevention is effectively guaranteed.
Further, reverse many balls support the piece and include a plurality ofly and lead power vaulting pole fixed connection's power ball, and is a plurality of power ball is inside to run through to inlay and is equipped with embedded fossil fragments, and a plurality of power balls contact each other, vertical most marginal two fixedly connected with outer keel piece between the power ball, outer keel piece is located one side that two-way vaulting pole was kept away from to the power vaulting pole, outer keel piece is close to the interior restraint power bag of one end fixedly connected with of power ball.
Furthermore, the edge of the inner force restraining bag close to the force moving ball is of a wavy structure, a middle bulge of the inner force restraining bag is in contact with the force moving ball in the middle, the inner part of the inner force restraining bag is filled with silica gel particle balls in a saturated mode, and when the force restraining bag is subjected to bending force, the force deflection rod deforms, so that the force moving ball moves towards the direction of the inner wall of the overlapped cavity, due to the fact that the force moving ball and the arc-shaped structure of the embedded keel lead to the largest movement amount of the embedded keel in the middle, the embedded keel extrudes the inner force restraining bag, silica gel particles in the inner force restraining bag move from the middle to two sides, two sides of the inner force restraining bag are enabled to bulge to play a reverse extrusion role on the plurality of force moving balls, further the integral deformation of the reverse multi-ball resisting sheets is effectively restrained, the bending resisting effect of the cable is further improved, and meanwhile the silica gel particle balls can play a certain moisture absorption role, thereby the infiltration of external steam to cable inside is avoided to some extent, effectively reduces the potential safety hazard.
Further, it is a plurality of power ball reduces from both sides to middle part diameter gradually for the part that interior oppression power bag is close to the embedded fossil fragments in middle part is thicker, and the volume of silica gel granule ball is more, when making the embedded fossil fragments in middle part produce the extrusion to it, interior oppression power bag can receive the extruded space great, thereby makes the volume that silica gel granule ball spreads to both sides more, thereby makes the suppression effect that interior oppression power bag removed the power ball of both sides more obvious.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is when this cable receives the bending force, effectively guide the bending force to the softer strip department of buckling that restraines under the effect of power transfer strip and buckle, thereby effective control is buckled and is mainly taken place in the strip department of buckling that restraines, the cooperation is at this moment restrained in the strip the effect of rolling over the ball chain that restraines, deformation takes place for two-way vaulting pole in its inside overlapping cavity, produce the thrust to both sides to reverse many ball butt piece simultaneously, make interior restraint force bag middle part receive the extrusion force, make the silica gel granule remove to both sides from the middle part, both sides are bloated and are played reverse extrusion to a plurality of power balls, and then effectively restrain the holistic deformation volume of reverse many ball butt piece, thereby further improve the anti-buckling effect of this cable, and then effectively avoid this cable to take place the condition of local ageing damage, thereby show reduction potential safety hazard.
(2) Outer oversheath layer outer end fixedly connected with a plurality of evenly distributed's power transfer strip, a plurality of power transfer strip with restrain alternate the distribution of strip, and restrain strip and power transfer strip fixed connection.
(3) The power shifts the strip and is bellied ARC structure, it is straight structure to turn over a terminal surface to turn over, and power shifts a top and is higher than the strip surface of turning over, power shifts a hardness and is greater than the strip hardness of turning over, when this cable receives the bending force, because the protruding effect of cambered surface and great hardness of power shift strip, it is more difficult for taking place to buckle in turning over the strip, on the one hand can effectively protect the cable and be difficult for damaging because of buckling, on the other hand effectively guides the bending force and buckles to softer strip department of turning over, thereby effective control buckles mainly to take place in strip department of turning over.
(4) The two-way vaulting pole is including two vaulting point balls that are located upper and lower both sides and the power change folding rod of fixed connection between two vaulting point balls, and the power changes folding rod and the inner wall contact of overlapping the cavity, and the position of contact is close to the depressed part between two gomphosis balls for when receiving the bending force, two-way vaulting pole can all play certain effect of supporting to leaning on to two adjacent gomphosis balls, thereby the scope of buckling between two effective control gomphosis balls, makes the gomphosis ball play certain anti buckling effect.
(5) The supporting point ball comprises a supporting end and a force variable end fixedly connected to the supporting end and close to one end of the force variable folding rod, non-Newtonian fluid is filled in the force variable end, the outer end of the supporting end is inlaid with a plurality of reinforcing points, the reinforcing points are in contact with the inner wall of the coincidence cavity, and the reinforcing points can effectively increase the overall strength of the supporting point ball, so that the supporting point ball is not easily damaged when being subjected to bending force.
(6) The force-variable folding rod is of a hollow elastic structure and is communicated with the force-variable end, the non-Newtonian fluid is filled in the force-variable end and the force-variable folding rod in a saturated mode, when the force-variable end is subjected to bending force, the force-variable end is stressed to deform, the non-Newtonian fluid in the force-variable folding rod can gush into the force-variable folding rod, meanwhile, the force-variable folding rod is stressed to deform to a certain extent, and the gushed non-Newtonian fluid is hardened under the action of rapid deformation force, so that the force-variable folding rod is effectively restrained from continuing to form, and the effect of the bidirectional stay rod on restraining bending is effectively guaranteed.
(7) Reverse many balls are supported the piece and are included a plurality of and lead power vaulting pole fixed connection's power and move the ball, and a plurality of power are moved the inside embedding that runs through of ball and are had embedded fossil fragments, and a plurality of power move the ball and contact each other, and the outer keel piece of fixedly connected with between vertical marginal two power move the ball, and outer keel piece is located one side that two-way vaulting pole was kept away from to the power vaulting pole, and outer keel piece is close to the interior restraint power bag of the one end fixedly connected with of power move the ball.
(8) The inner force restraining bag is of a wavy structure at the edge close to the force moving ball, a bulge at the middle part of the inner force restraining bag is in contact with the force moving ball in the middle, the silica gel particle ball is filled in the inner part of the inner force restraining bag in a saturated mode, and when the force restraining bag is subjected to bending force, the force deflection rod deforms, so that the force moving ball moves towards the direction of the inner wall of the overlapped cavity, due to the arc-shaped structure of the force moving ball and the embedded keel, the moving amount of the embedded keel at the middle part is the largest, the embedded keel extrudes the inner force restraining bag, the silica gel particles in the inner force restraining bag move from the middle part to two sides, two sides of the inner force restraining bag are bulged to play a role in reversely extruding the plurality of force moving balls, further the integral deformation amount of the reverse multi-ball resisting sheets is effectively restrained, the bending resisting effect of the cable is further improved, meanwhile, the silica gel particle ball can play a certain role in absorbing moisture, and accordingly permeation of the outside to the inside of the cable is avoided, effectively reducing the potential safety hazard.
(9) The diameters of the two sides of the dynamic balls are gradually reduced to the middle of the dynamic balls, so that the part, close to the embedded keel in the middle, of the internal restraining force bag is thick, the quantity of the silica gel particle balls is large, when the embedded keel in the middle extrudes the internal restraining force bag, the space of the internal restraining force bag can be extruded is large, the quantity of the silica gel particle balls stretching to the two sides is large, and the restraining effect of the internal restraining force bag on the movement of the dynamic balls on the two sides is obvious.
Drawings
FIG. 1 is a schematic view of a radial cross section of the present invention;
FIG. 2 is a schematic diagram of a transverse cross-section of the present invention;
FIG. 3 is a schematic view of a structure of a buckling restrained ball chain portion of the present invention;
FIG. 4 is a schematic view of a bidirectional brace bar structure of the present invention;
FIG. 5 is a schematic structural diagram of the reverse multi-ball resisting sheet of the present invention.
The reference numbers in the figures illustrate:
11 wire core layers, 12 insulating layers, 13 outer sheath layers, 2 buckling restraining strips, 3 force transfer strips, 4 embedded balls, 5 bidirectional supporting rods, 51 force variable folding rods, 52 supporting point balls, 521 supporting ends, 522 reinforcing points, 523 force variable ends, 6 force guide supporting rods, 7 reverse multi-ball resisting sheets, 71 force dynamic balls, 72 embedded keels, 73 outer keel sheets and 74 inner force restraining bags.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection 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. 1-2, a force-transferring anti-bending cable includes a core layer 11, an insulating layer 12 wrapped outside the core layer 11, and an outer sheath layer 13 wrapped outside the insulating layer 12, the outer end of the outer sheath layer 13 is fixedly connected with a plurality of uniformly distributed buckling restraining strips 2, the buckling restraining strips 2 are embedded with a buckling restraining ball chain, the buckling restraining ball chain includes a plurality of embedded balls 4, the outer end of the outer sheath layer 13 is fixedly connected with a plurality of uniformly distributed force transferring strips 3, the plurality of force transferring strips 3 are distributed alternately with the buckling restraining strips 2, the buckling restraining strips 2 are fixedly connected with the force transferring strips 3, the force transferring strips 3 are convex arc-shaped structures, the end faces of the buckling restraining strips 2 are straight structures, the top points of the force transferring strips 3 are higher than the surfaces of the buckling restraining strips 2, the hardness of the force transferring strips 3 is higher than the hardness of the buckling strips 2, when the cable is subjected to a bending force, the arc-protruding effect and the greater hardness of the force transferring strips 3, it is difficult more taking place to buckle than holding down a strip 2, can effectively protect the cable on the one hand and be difficult for damaging because of buckling, and on the other hand effectively guides the power of buckling to the softer 2 punishment of holding down a strip buckle to effective control is buckled and is mainly taken place in holding down a strip 2 punishment.
Referring to fig. 3, two adjacent embedded balls 4 are embedded with each other to form an overlapped cavity, a bidirectional brace rod 5 is longitudinally arranged inside the overlapped cavity, the upper end and the lower end of the bidirectional brace rod 5 are both in contact with the inner wall of the overlapped cavity, the outer end of the bidirectional brace rod 5 is fixedly connected with a plurality of uniformly distributed force guide brace rods 6, the end of each force guide brace rod 6 is provided with a reverse multi-ball abutting piece 7, and one end of each reverse multi-ball abutting piece 7, which is far away from the force guide brace rod 6, is in contact with the inner wall of the overlapped cavity.
Referring to fig. 4, the bidirectional stay bar 5 includes two stay point balls 52 located at the upper and lower sides and a force buckling bar 51 fixedly connected between the two stay point balls 52, the force buckling bar 51 contacts with the inner wall of the overlapped cavity, the contacted portion is close to the concave portion between the two embedded balls 4, so that when the bending force is applied, the bidirectional stay bar 5 can have a certain abutting effect on the two adjacent embedded balls 4, thereby effectively controlling the buckling range between the two embedded balls 4, so that the embedded balls 4 have a certain bending resistance effect, the stay point ball 52 includes a support end 521 and a force buckling end 523 fixedly connected to one end of the support end 521 close to the force buckling bar 51, the force buckling end 523 is filled with non-newton fluid, the outer end of the support end 521 is inlaid with a plurality of reinforcing points 522, the reinforcing points 522 are in contact with the inner wall of the overlapped cavity, the reinforcing points 522 can effectively increase the overall strength of the stay point ball 52, the force variable folding rod 51 is of a hollow elastic structure, the force variable folding rod 51 is communicated with the force variable end 523, the non-Newtonian fluid is filled in the force variable end 523 and the force variable folding rod 51 in a saturated mode, when the force variable folding rod is subjected to bending force, the force variable end 523 is stressed to deform, the non-Newtonian fluid in the force variable folding rod 51 floods into the force variable folding rod 51, meanwhile, the force variable folding rod 51 is also stressed to deform to a certain degree, and the rushed non-Newtonian fluid is hardened under the action of rapid deformation force, so that the force variable folding rod 51 is effectively prevented from continuing to form, and the effect of the bidirectional stay bar 5 on bending prevention is effectively guaranteed.
Referring to fig. 5, the reverse multi-ball resisting sheet 7 includes a plurality of dynamic balls 71 fixedly connected to the force-guiding brace 6, an embedded keel 72 is embedded in the dynamic balls 71, the dynamic balls 71 are in contact with each other, an outer keel 73 is fixedly connected between two dynamic balls 71 at the most edge in the longitudinal direction, the outer keel 73 is located at one side of the force-guiding brace 6 away from the bidirectional brace 5, one end of the outer keel 73 close to the dynamic ball 71 is fixedly connected with an inner restraining bag 74, the edge of the inner restraining bag 74 close to the dynamic ball 71 is of a wavy structure, a middle protrusion of the inner restraining bag 74 is in contact with the dynamic ball 71 located in the middle, the inner restraining bag 74 is filled with silica gel particle balls in a saturated state, when a bending force is applied, the force-changing brace 51 deforms, so that the dynamic ball 71 moves toward the direction of the inner wall of the overlapped cavity, and due to the arc-shaped structure of the dynamic balls 71 and the embedded keel 72, the movement amount of the embedded keel 72 at the middle part is the largest, at the moment, the embedded keel 72 extrudes the inner force-restraining cell 74, so that silica gel particles in the inner force-restraining cell 74 move from the middle part to two sides, two sides of the inner force-restraining cell 74 are bulged to perform reverse extrusion on the plurality of dynamic balls 71, further the deformation of the whole reverse multi-ball resisting sheet 7 is effectively restrained, the bending resistance effect of the cable is further improved, meanwhile, the silica gel particle balls can also perform a certain moisture absorption effect, accordingly, the permeation of external water vapor to the inside of the cable is avoided, and potential safety hazards are effectively reduced; the diameters of the force action balls 71 from two sides to the middle are gradually reduced, so that the part, close to the middle embedded keel 72, of the internal force inhibition bag 74 is thick, the amount of the silica gel particle balls is large, when the middle embedded keel 72 extrudes the internal force inhibition bag 74, the space for extrusion is large, the amount of the silica gel particle balls extending to two sides is large, and the effect of inhibiting the force action balls 71 on two sides by the internal force inhibition bag 74 is more obvious.
When this cable receives the bending force, effectively guide the bending force to the softer strip 2 department of buckling of restraining under the effect of power transfer strip 3 and buckle, thereby effective control is buckled and is mainly taken place in the strip 2 department of restraining, the cooperation is at this moment restrained the effect of the ball chain of restraining in the strip 2, deformation takes place for two-way vaulting pole 5 in its inside overlapping cavity, produce the thrust to both sides to reverse many ball butt 7 simultaneously, make interior restraint force bag 74 middle part receive the extrusion force, make the silica gel granule remove to both sides from the middle part, both sides are bloated and are played a plurality of power balls 71 and play reverse extrusion, and then effectively restrain the holistic deformation volume of reverse many ball butt 7, thereby further improve the anti-buckling effect of this cable, and then effectively avoid this cable to take place the condition of local ageing damage, thereby show reduction potential safety hazard.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a power transfer formula bending-resistant cable, includes sandwich layer (11), parcel insulating layer (12) outside sandwich layer (11) and parcel oversheath layer (13) outside insulating layer (12), its characterized in that: the outer end of the outer sheath layer (13) is fixedly connected with a plurality of uniformly distributed folding inhibiting strips (2), folding inhibiting ball chains are inlaid in the folding inhibiting strips (2), each folding inhibiting ball chain comprises a plurality of embedded balls (4), two adjacent embedded balls (4) are mutually embedded to form overlapped cavities, two-way supporting rods (5) are longitudinally arranged in the overlapped cavities, the upper end portion and the lower end portion of each two-way supporting rod (5) are in contact with the inner wall of the overlapped cavity, the outer end of each two-way supporting rod (5) is fixedly connected with a plurality of uniformly distributed force guiding supporting rods (6), reverse multi-ball resisting pieces (7) are arranged at the end portions of the force guiding supporting rods (6), and one ends, far away from the force guiding supporting rods (6), of the reverse multi-ball resisting pieces (7) are in contact with the inner wall of the overlapped cavities;
the reverse multi-ball resisting sheet (7) comprises a plurality of dynamic balls (71) fixedly connected with the force guide support rod (6), embedded keels (72) penetrate through and are embedded in the dynamic balls (71), the dynamic balls (71) are in mutual contact, an outer keel sheet (73) is fixedly connected between the two dynamic balls (71) at the most vertical edge, the outer keel sheet (73) is positioned on one side, far away from the two-way support rod (5), of the force guide support rod (6), and one end, close to the dynamic balls (71), of the outer keel sheet (73) is fixedly connected with an inner force restraining bag (74); the inner force restraining bag (74) is of an undulating structure close to the edge of the dynamic ball (71), a bulge in the middle of the inner force restraining bag (74) is in contact with the dynamic ball (71) in the middle, and silica gel particle balls are filled in the inner force restraining bag (74) in a saturated mode; the plurality of power balls (71) are gradually reduced in diameter from both sides to the middle.
2. A force-transferring, bend-resistant cable according to claim 1, wherein: outer jacket layer (13) outer end fixedly connected with a plurality of evenly distributed's power transfer strip (3), it is a plurality of power transfer strip (3) and turn over alternately distribution of strip (2) with pressing down, and turn over strip (2) and power transfer strip (3) fixed connection with pressing down.
3. A force-transferring, bend-resistant cable according to claim 2, wherein: force transfer strip (3) are bellied cambered surface structure, it is straight structure to restrain a strip (2) terminal surface, and force transfer strip (3) apex is higher than and presses a strip (2) surface, force transfer strip (3) hardness is greater than and presses a strip (2) hardness.
4. A force-transferring, bend-resistant cable according to claim 1, wherein: the bidirectional stay bar (5) comprises two stay point balls (52) positioned at the upper side and the lower side and a force variable folding bar (51) fixedly connected between the two stay point balls (52).
5. The force-transferring, bend-resistant cable of claim 4, wherein: the supporting point ball (52) comprises a supporting end (521) and a force variable end (523) fixedly connected to one end, close to the force variable folding rod (51), of the supporting end (521), non-Newtonian fluid is filled in the force variable end (523), a plurality of reinforcing points (522) are inlaid at the outer end of the supporting end (521), and the reinforcing points (522) are in contact with the inner wall of the superposition cavity.
6. The force-transferring, bend-resistant cable of claim 5, wherein: the force variable folding rod (51) is of a hollow elastic structure, the force variable folding rod (51) is communicated with the force variable end (523), and the non-Newtonian fluid is filled in the force variable end (523) and the force variable folding rod (51) in a saturated mode.
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| CN202010921108.XA CN112102995B (en) | 2020-09-04 | 2020-09-04 | Force transfer type anti-bending cable |
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| CN202010921108.XA CN112102995B (en) | 2020-09-04 | 2020-09-04 | Force transfer type anti-bending cable |
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| CN112102995B true CN112102995B (en) | 2021-12-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113109909A (en) * | 2021-01-20 | 2021-07-13 | 李泽兵 | Angle-restraining type anti-bending sheath for optical cable |
| CN112927843B (en) * | 2021-02-05 | 2022-05-03 | 沧州会友线缆股份有限公司 | Self-adaptive multidirectional bending-resistant cable |
| CN113096870B (en) * | 2021-04-12 | 2022-10-14 | 云南前列电缆有限公司 | Magnetic control gas pushing type anti-bending cable |
| CN113359257B (en) * | 2021-06-29 | 2022-05-24 | 杭州富通通信技术股份有限公司 | Pressure-resistant optical cable |
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