CN112614613A - Anti-shearing self-restoring pressure-resistant cable - Google Patents
Anti-shearing self-restoring pressure-resistant cable Download PDFInfo
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- CN112614613A CN112614613A CN202011435020.3A CN202011435020A CN112614613A CN 112614613 A CN112614613 A CN 112614613A CN 202011435020 A CN202011435020 A CN 202011435020A CN 112614613 A CN112614613 A CN 112614613A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- 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
- H01B7/2806—Protection against damage caused by corrosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses an anti-shearing self-restoring pressure-resistant cable, which belongs to the technical field of power cables and can realize the arrangement of a specially-made central supporting ball, a supporting pressure-resistant frame, a protective pressed sheet and a linkage telescopic rod group, wherein when the cable is pressurized, the protective pressed sheet is inwards sunken and can drive a plurality of linkage telescopic rod groups to respectively generate corresponding changes, so that a linkage sliding block in the supporting pressure-resistant frame is driven to generate corresponding sliding, the buffering pressure-resistant function of the supporting pressure-resistant frame is triggered, the pressure received by the cable is greatly buffered, the cable core wire can not be directly extruded, the cable core wire is effectively protected, the cable core wire is prevented from being damaged, and after the pressure is relieved, the resilience of a first buffer spring and a second buffer spring, the resilience of an elastic inner layer and the gas backflow in an elastic air bag can cooperatively drive the supporting pressure-resistant frame and the protective pressed sheet to reset, And the cable can keep excellent pressure resistance after restoration, and the practicability is obviously improved.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to an anti-shearing self-restoring pressure-resistant cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
The cable is after the installation is accomplished, because cable heart yearn length is long, often meet the pressurized condition of shearing, and the structure of cable is all more ordinary, constitute by outside protective layer and inside heart yearn usually, ordinary protective layer, its buffering compressive capacity is relatively poor, but when the cable meets shearing pressurized, can directly extrude inside heart yearn, lead to the heart yearn to damage easily, among the prior art, although also there are some withstand voltage cables that have anti-shear and cut compressive structure, but these anti-shear and cut compressive mechanism, do not have from original function, after bearing too big pressure, the compressive capacity of anti-shear and cut compressive mechanism will discount greatly, and the practicality is low.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an anti-shearing self-restoring pressure-resistant cable which can be provided with a specially-made central supporting ball, a supporting pressure-resistant frame, a protected pressed sheet and a linkage telescopic rod group, wherein under the cooperative linkage of the supporting pressure-resistant frame, the protected pressed sheet and the linkage telescopic rod group, when the cable is pressed, the pressed protected pressed sheet is inwards sunken and can drive a plurality of linkage telescopic rod groups to respectively generate corresponding changes, so that a linkage sliding block in the supporting pressure-resistant frame is driven to correspondingly slide, the buffering pressure-resistant function of the supporting pressure-resistant frame is triggered, the pressure received by the cable is greatly buffered, the cable core wire is not directly extruded, the cable core wire is effectively protected, the cable core wire is prevented from being damaged, and after the pressure is relieved, the rebounding and the first buffer spring and the second buffer spring are rebounded, The resilience of elasticity inlayer self and gas reflux in the elasticity gasbag all can drive in coordination and support the compressive frame, the protection is reset, is recovered by the preforming, and then makes the cable can keep excellent compressive capacity, is showing and has improved the practicality, and even the pressure that the cable received is too big, the elasticity of elasticity buffering ball skin in the center support ball can play a cushioning effect to the extrusion that the buffering cable conductor received reduces the damage that the cable conductor received.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An anti-shearing self-restoring pressure-resistant cable comprises a central supporting ball, wherein a supporting and pressure-resistant frame is arranged on the outer side of the central supporting ball and comprises four fixing rods which are uniformly distributed in an annular shape, one end of each fixing rod, which is far away from the central supporting ball, is fixedly connected with a connecting block, a protective pressed sheet is fixedly connected between every two adjacent connecting blocks, a linkage sliding block is sleeved on the outer wall of each fixing rod in a sliding manner, a first buffer spring and a second buffer spring which are sleeved on the outer wall of each fixing rod in a sliding manner are arranged on each of two sides of each linkage sliding block, a linkage hinge rod is arranged between every two adjacent fixing rods, a core seat is fixedly connected to one side of each linkage hinge rod, a cable core wire is embedded in each core seat, a linkage telescopic rod group is arranged on the other side of each linkage hinge rod and comprises a sleeve, and matched sliding rods, the bottom fixedly connected with and the sleeve assorted piston of slide bar, the below fixedly connected with lower closing plate that just is located the piston on the telescopic inner wall, the top fixedly connected with upper closing plate that just is located the piston on the telescopic inner wall, two breather pipes of the equal fixedly connected with in upper and lower both sides of piston, the one end fixedly connected with air bag of piston is kept away from to the breather pipe, the business turn over gas pocket has all been seted up on the outer wall of breather pipe both sides.
Further, the center support ball includes the solid ball of center, four vaulting poles that are annular evenly distributed of fixedly connected with on the outer wall of the solid ball of center, the vaulting pole is kept away from the one end fixedly connected with stereoplasm support ball skin of the solid ball of center, and equal fixedly connected with elastic buffer ball skin, four between two adjacent stereoplasm support ball skins the stereoplasm support ball skin and four elastic buffer ball skin encloses and establishes into sealed spherical shell form.
Further, the centre support ball intussuseption is filled with nitrogen gas, the stereoplasm supports the ball skin and adopts rigid plastic to make, elastic buffer ball skin adopts elastic rubber to make, four the dead lever is fixed connection respectively on the outer wall that four stereoplasm supported the ball skin, and the setting of center real ball, vaulting pole, stereoplasm support ball skin for the centre supports the ball and can play an effectual support to the dead lever, and then maintains the shape of cable, elastic buffer ball skin and inside nitrogen gas's setting, even the cable receives very big pressure, the cable core line is extruded to propping up with the centre support ball, elastic buffer ball skin's elasticity also can play a cushioning effect, thereby the extrusion that the buffering cable core line received, thereby reduce the damage that the cable core line received.
Further, first buffer spring is located between linkage slider and the connecting block, second buffer spring is located between center support ball and the linkage slider, and when the cable received pressure, the linkage slider on the dead lever perhaps slided to the connecting block direction, perhaps slided to center support ball direction, makes first buffer spring or second buffer spring receive the extrusion to make in first buffer spring or the second buffer spring one always can provide a buffering effect, the extrusion that the buffering cable received, thereby improved the protect function to the cable core.
Further, the linkage hinge rods are four in number and are uniformly distributed in an annular shape, the two ends of each linkage hinge rod are hinged to the fixing rods on the two sides, under the action of the four linkage hinge rods, the four linkage sliders can be linked, and when any one linkage hinge rod is under pressure, the four linkage sliders can be driven to slide correspondingly, so that the buffering effect of the first buffer spring and the second buffer spring is triggered, and the protection of the cable core wires is more comprehensive.
Further, the protection pressed sheet is arranged in a circular arc shape with the center supporting ball as the center, and the protection pressed sheet comprises an elastic inner layer and a protection outer layer.
Furthermore, the elastic inner layer is made of elastic metal sheet materials, the protection pressed sheet serves as a stressed contact surface of the cable, when the cable is stressed, the pressed point is located on the surface of the protection pressed sheet, the protection pressed sheet is directly extruded, the elastic inner layer made of the elastic metal sheet materials can provide a certain buffering effect due to the elasticity of the elastic inner layer, the elastic inner layer can recover after the stress is relieved, and then the protection pressed sheet can recover.
Furthermore, telescopic bottom is articulated with the linkage hinge arm, the slide bar runs through telescopic top outer wall and extends to and protects the preforming articulated for when the cable receives pressure, the produced skew of changes such as the deformation of protection preforming, the slip of linkage slider can be compensated to the flexible group of linkage, and then makes to support the withstand voltage frame and can effectively play a guard action to the cable core.
Furthermore, the piston slides and penetrates through the upper sealing plate, a sliding sealing ring is arranged at the joint of the piston and the upper sealing plate, the sealing performance of the joint of the sliding rod and the upper sealing plate can be improved due to the arrangement of the sliding sealing ring, and then the joint is prevented from being deflated.
Furthermore, the distance between the upper sealing plate and the piston is greater than the distance between the lower sealing plate and the piston piece, the elastic air bag below the piston abuts against the lower sealing plate, when the cable is pressurized, the slide bars in each linkage telescopic rod group slide into the corresponding sleeves or slide out of the corresponding sleeves, for the linkage telescopic rod groups with the slide bars sliding into the sleeves, the linkage telescopic rod groups can be integrally shortened, meanwhile, the pistons can extrude air between the pistons and the lower sealing plate, so that the air enters the elastic air bags through the air inlet and outlet holes, further the corresponding elastic air bags expand, further the sleeves are driven to extrude the corresponding linkage hinge rods, thereby triggering the buffer compression-resistant function of the support compression-resistant frame, for the linkage telescopic rod groups with the slide bars sliding out of the sleeves, the linkage telescopic rod groups can be integrally prolonged, further compensating the displacement between the linkage hinge rods and the corresponding protection compression plates, the piston can extrude the air between piston and the upper sealing plate simultaneously, makes the air enter into the elasticity gasbag through business turn over gas pocket, and then makes the elasticity gasbag inflation that corresponds, and the inflation of elasticity gasbag in above-mentioned two kinds of circumstances all can make the protection compressed tablet recover under first buffer spring, second buffer spring's cooperation after pressure is relieved, and then guarantees the compressive capacity of cable.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme is provided with a specially-made center supporting ball, a supporting compression-resistant frame, a protected pressed sheet and a linkage telescopic rod group, under the cooperative linkage of the supporting compression-resistant frame, the protected pressed sheet and the linkage telescopic rod group, when a cable is under pressure, the pressed protected pressed sheet can be sunken inwards and can drive a plurality of linkage telescopic rod groups to respectively generate corresponding changes, and further the linkage sliding block in the supporting compression-resistant frame is driven to generate corresponding sliding to trigger the buffering compression-resistant function of the supporting compression-resistant frame, the pressure received by the cable is greatly buffered, so that the cable core wire can not be directly extruded, the cable core wire is effectively protected, the cable core wire is prevented from being damaged, and after the pressure is relieved, the rebounding of a first buffer spring and a second buffer spring, the rebounding of an elastic inner layer and the gas backflow in an elastic air bag can be cooperatively driven to support the compression-resistant frame and protect the pressed sheet to reset, Recover, and then make the cable can keep excellent compressive capacity, show the practicality that has improved, and even the pressure that the cable received is too big, the elasticity of elasticity buffering ball skin in the center support ball can play a cushioning effect to the extrusion that the buffering cable heart yearn received reduces the damage that the cable heart yearn received.
(2) When the cable receives pressure, the linkage slider on the dead lever or slide to the connecting block direction, or slide to the center support ball direction, make first buffer spring or second buffer spring receive the extrusion to make in first buffer spring or the second buffer spring one always can provide a buffering effect, the extrusion that the buffering cable received, thereby improved the protect function to the cable conductor.
(3) Under the effect of four linkage hinge rods, can make and link between the four linkage sliders, when arbitrary linkage hinge rod received pressure, all can drive four linkage sliders and carry out corresponding slip, and then trigger first buffer spring, second buffer spring's buffering effect for the protection to the cable conductor is more comprehensive.
(4) When the cable receives pressure, the pressurized site will be located the surface of protection pressurized piece for protection pressurized piece directly receives the extrusion, the elasticity inlayer that the elasticity sheetmetal material was made, its elasticity can provide certain cushioning effect, and after pressure was relieved, the elasticity inlayer can recover, and then make protection pressurized piece recover, the outer layer of protection adopts the ethylene propylene rubber material to make, ethylene propylene rubber has good electrical insulation performance, ozone resistance, weather resistance, cold resistance, chemical resistance, thereby can provide many-sided protection for the cable core.
(5) The telescopic bottom is articulated with the linkage hinge bar, and the slide bar runs through telescopic top outer wall and extends to and protect the preforming articulated for when the cable received pressure, the produced skew of changes such as the deformation of protection receiving the preforming, the slip of linkage slider can be compensated to the linkage telescopic link group, and then makes to support the withstand voltage frame and can effectively play a guard action to the cable core.
(6) When the cable is under pressure, the slide bars in each linkage telescopic bar group slide towards the corresponding sleeve or slide towards the outside of the corresponding sleeve, for the linkage telescopic bar group with the slide bars sliding towards the sleeves, the linkage telescopic bar group can be integrally shortened, meanwhile, the piston can extrude the air between the piston and the lower sealing plate, so that the air enters the elastic air bag through the air inlet and outlet hole, the corresponding elastic air bag is expanded, and then the sleeve is driven to extrude the corresponding linkage hinge rod, thereby triggering the buffer compression-resistant function of the support compression-resistant frame, for the linkage telescopic bar group with the slide bars sliding towards the outside of the sleeves, the linkage telescopic bar group can be integrally prolonged, so as to compensate the displacement between the linkage hinge rod and the corresponding protection pressed sheet, meanwhile, the piston can extrude the air between the piston and the upper sealing plate, so that the air enters the elastic air bag through the air inlet and outlet hole, so as to expand the corresponding elastic air bag, and the expansion of the elastic air bag in the two conditions can restore the protective compression sheet under the cooperation of the first buffer spring and the second buffer spring after the pressure is relieved, so that the compression resistance of the cable is ensured.
(7) The setting of the solid ball of center, vaulting pole, stereoplasm support ball skin for the center supports the ball and can play an effectual support to the dead lever, and then maintains the shape of cable, and the setting of elastic buffer ball skin and inside nitrogen gas even the cable receives very big pressure, and the cable conductor is extruded to offset with the center support ball, and the elasticity of elastic buffer ball skin also can play a cushioning effect, thereby the extrusion that the buffering cable conductor received, thereby reduce the damage that the cable conductor received.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a center support ball of the present invention;
FIG. 3 is a schematic view of the layered structure of the protective compressed tablet of the present invention;
FIG. 4 is a cross-sectional view of the inside of the sleeve of the present invention;
FIG. 5 is a cross-sectional view of the vent pipe of the present invention;
fig. 6 is a schematic view of the structure of the present invention when under pressure.
The reference numbers in the figures illustrate:
001. a central support ball; 101. a central solid sphere; 102. a stay bar; 103. hard support ball covers; 104. elastic buffer ball cover; 201. fixing the rod; 202. connecting blocks; 203. a linkage slide block; 204. a first buffer spring; 205. a second buffer spring; 206. a linkage hinge rod; 207. a core print; 003. protecting the compressed tablet; 301. an elastic inner layer; 302. an outer protective layer; 004. a cable core; 501. a sleeve; 502. a slide bar; 503. a piston; 504. a lower sealing plate; 505. an upper sealing plate; 506. a breather pipe; 507. an elastic air bag; 508. air inlet and outlet holes; 509. and (4) sliding the sealing ring.
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 obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within 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 and 3, a shear-resistant self-restoring pressure-resistant cable includes a central supporting ball 001, a supporting pressure-resistant frame is disposed outside the central supporting ball 001, the supporting pressure-resistant frame includes four fixing rods 201 uniformly distributed in a ring shape, one end of each fixing rod 201 away from the central supporting ball 001 is fixedly connected with a connecting block 202, a protective pressed sheet 003 is fixedly connected between two adjacent connecting blocks 202, the protective pressed sheet 003 is set to be in a circular arc shape centering on the central supporting ball 001, the protective pressed sheet 003 includes an elastic inner layer 301 and a protective outer layer 302, the elastic inner layer 301 is made of an elastic metal sheet material, the protective pressed sheet 003 is used as a stressed contact surface of the cable, when the cable is pressed, the pressed sheet is located on the surface of the protective pressed sheet 003, so that the protective pressed sheet 003 is directly pressed, the elastic inner layer 301 made of the elastic metal sheet material has elasticity capable of providing a certain buffering effect, and after the pressure is relieved, the elastic inner layer 301 can recover, so that the protective pressed sheet 003 can recover, the protective outer layer 302 is made of ethylene propylene rubber, the ethylene propylene rubber has good electrical insulation performance, ozone resistance, weather resistance, cold resistance and chemical corrosion resistance, thereby providing multi-aspect protection for the cable core line 004, the outer wall of the fixing rod 201 is slidably sleeved with a linkage sliding block 203, both sides of the linkage sliding block 203 are respectively provided with a first buffer spring 204 and a second buffer spring 205 which are slidably sleeved on the outer wall of the fixing rod 201, the first buffer spring 204 is positioned between the linkage sliding block 203 and the connecting block 202, the second buffer spring 205 is positioned between the central supporting ball 001 and the linkage sliding block 203, when the cable is pressurized, the linkage sliding block 203 on the fixing rod 201 slides towards the connecting block 202 or towards the central supporting ball 001, the first buffer spring 204 or the second buffer spring 205 is extruded, so that one of the first buffer spring 204 or the second buffer spring 205 can always provide a buffer effect to buffer the extrusion of the cable, so as to improve the protection function of the cable core 004, the linkage hinge rods 206 are arranged between two adjacent fixing rods 201, the linkage hinge rods 206 are four and uniformly distributed in a ring shape, two ends of the linkage hinge rods 206 are respectively hinged with the fixing rods 201 at two sides, under the action of the four linkage hinge rods 206, the four linkage sliders 203 can be linked, when any one linkage hinge rod 206 is pressed, the four linkage sliders 203 can be driven to correspondingly slide, so as to trigger the buffer effect of the first buffer spring 204 and the second buffer spring 205, so that the protection of the cable core 004 is more comprehensive, one side of the linkage hinge rod 206 is fixedly connected with the core seat 207, the core holder 207 is embedded with a cable core 004, and the other side of the linkage hinge rod 206 is provided with a linkage telescopic rod group.
Referring to fig. 4-5, the linkage telescopic rod set includes a sleeve 501, a sliding rod 502 slidably connected to the sleeve 501, a piston 503 matched to the sleeve 501 and fixedly connected to the bottom end of the sliding rod 502, a lower sealing plate 504 fixedly connected to the inner wall of the sleeve 501 and below the piston 503, an upper sealing plate 505 fixedly connected to the inner wall of the sleeve 501 and above the piston 503, two vent pipes 506 fixedly connected to the upper and lower sides of the piston 503, an elastic air bag 507 fixedly connected to one end of the vent pipe 506 away from the piston 503, air holes 508 opened on the outer walls of the vent pipes 506, the bottom end of the sleeve 501 hinged to the linkage hinge rod 206, the sliding rod 502 penetrating through the outer wall of the top of the sleeve 501 and extending to the protected tablet 003, so that when the cable is under pressure, the linkage telescopic rod set can compensate the deflection caused by the deformation of the protected tablet 003 and the sliding of the linkage slider 203, so that the supporting compression rack can effectively protect the cable core 004, the piston 503 penetrates through the upper sealing plate 505 in a sliding manner, a sliding sealing ring 509 is arranged at the joint of the piston 503 and the upper sealing plate 505, the arrangement of the sliding sealing ring 509 can improve the sealing performance of the joint of the sliding rod 502 and the upper sealing plate 505, further the joint is prevented from being deflated, the distance between the upper sealing plate 505 and the piston 503 is greater than the distance between the lower sealing plate 504 and the piston 503, an elastic air bag 507 positioned below the piston 503 abuts against the lower sealing plate 504, when the cable is under pressure, the sliding rod 502 in each linkage telescopic rod group slides into the corresponding sleeve 501 or slides out of the corresponding sleeve 501, for the linkage telescopic rod group with the sliding rod 502 sliding into the sleeve 501, the linkage telescopic rod group is shortened as a whole, and the piston 503 can squeeze air between the piston 503 and the lower sealing plate 504, air enters the elastic air bag 507 through the air inlet and outlet 508, and then the corresponding elastic air bag 507 is expanded, and further the sleeve 501 is driven to extrude the corresponding linkage hinged rod 206, so that the buffering and pressure-resisting functions of the supporting pressure-resisting frame are triggered, for the linkage telescopic rod group with the sliding rod 502 sliding outwards from the sleeve 501, the linkage telescopic rod group can be integrally extended, and further the displacement between the linkage hinged rod 206 and the corresponding protected pressed sheet 003 is compensated, meanwhile, the piston 503 can extrude the air between the piston 503 and the upper sealing plate 505, so that the air enters the elastic air bag 507 through the air inlet and outlet 508, and further the corresponding elastic air bag 507 is expanded, and in the two conditions, after the pressure is relieved, the protected pressed sheet 003 is restored under the cooperation of the first buffer spring 204 and the second buffer spring 205, and further the pressure-resisting capacity of the cable is ensured.
Referring to fig. 2, a central supporting ball 001 includes a central solid ball 101, four supporting rods 102 are fixedly connected to the outer wall of the central solid ball 101, the supporting rods 102 are uniformly distributed in a ring shape, one end of each supporting rod 102 away from the central solid ball 101 is fixedly connected to a hard supporting ball skin 103, an elastic buffering ball skin 104 is fixedly connected between two adjacent hard supporting ball skins 103, the four hard supporting ball skins 103 and the four elastic buffering ball skins 104 are enclosed to form a sealed spherical shell, nitrogen is filled in the central supporting ball 001, the hard supporting ball skin 103 is made of hard plastic, the elastic buffering ball skin 104 is made of elastic rubber, four fixing rods 201 are respectively and fixedly connected to the outer walls of the four hard supporting ball skins 103, the central solid ball 101, the supporting rods 102 and the hard supporting ball skins 103 are arranged, so that the central support ball 001 can effectively support the fixing rod 201 to maintain the shape of the cable.
As shown in fig. 6, when the pressure point of the cable is located on the upper left protection pressed sheet 003, the protection pressed sheet 003 will be recessed inwards, and the linked telescopic rod group connected to the protection pressed sheet 003, the linked telescopic rod group with the sliding rod 502 sliding towards the sleeve 501, will shorten the linked telescopic rod group as a whole, and at the same time the piston 503 will squeeze the air between the piston 503 and the lower sealing plate 504, so that the air enters into the elastic air bag 507 through the air inlet/outlet hole 508, and further the corresponding elastic air bag 507 expands, and further drives the sleeve 501 to squeeze the corresponding linked hinge rod 206, and further drives the linked sliders 203 located on the upper and lower sides of the central support ball 001 to slide towards each other, and the linked sliders 203 on the left and right sides slide in opposite directions, on one hand, the buffering and pressure-resisting functions of the supporting and pressure-resisting frame can be triggered, and the pressure received by the cable is greatly buffered under the action of the elastic forces of the first buffer spring, on the other hand, the cable core 004 is not directly extruded, so as to effectively protect the cable core 004 and prevent the cable core 004 from being damaged, the linked telescopic rod sets of the other three linked telescopic rod sets, in which the sliding rods 502 can slide towards the outside of the sleeve 501, so that the linked telescopic rod sets are integrally extended, and further, the displacement between the linked hinge rod 206 and the corresponding protected pressed sheet 003 is compensated, and after the pressure is relieved, the resilience of the first buffer spring 204 and the second buffer spring 205, the resilience of the elastic inner layer 301 and the gas backflow in the elastic air bag 507 can cooperatively drive the supporting pressure-resistant frame and the protected pressed sheet 003 to reset and recover, so that the cable can keep excellent pressure-resistant capability, and the practicability is obviously improved, and similarly, when the stress point is located on other or a plurality of protected pressed sheets 003, the supporting pressure-resistant frame can also make corresponding changes to protect the cable core 004, and even if the cable is subjected to extremely large pressure, cable core 004 is extruded to and supports ball 001 offset with the center, and through the setting of elastic buffer ball skin 104 and inside nitrogen gas, the elasticity of elastic buffer ball skin 104 also can play a cushioning effect to the extrusion that buffering cable core 004 received, thereby reduce the damage that cable core 004 received.
The cable is provided with a specially-made central supporting ball 001, a supporting pressure-resistant frame, a protecting pressed sheet 003 and a linkage telescopic rod group, under the cooperative linkage of the supporting pressure-resistant frame, the protecting pressed sheet 003 and the linkage telescopic rod group, when a cable is pressed, the pressed protecting pressed sheet 003 is inwards sunken and can drive a plurality of linkage telescopic rod groups to respectively generate corresponding changes, so that a linkage sliding block 203 in the supporting pressure-resistant frame is driven to correspondingly slide to trigger the buffering pressure-resistant function of the supporting pressure-resistant frame, the pressure received by the cable is greatly buffered, the cable core 004 is not directly extruded, the cable core 004 is effectively protected, the cable core 004 is prevented from being damaged, and after the pressure is relieved, the resilience of a first buffer spring 204 and a second buffer spring 205, the resilience of an elastic inner layer 301 and the gas backflow in an elastic air bag 507 can cooperatively drive the supporting pressure-resistant frame, The protection is reset, is recovered by preforming 003, and then makes the cable can keep excellent compressive capacity, is showing and has improved the practicality, and even the pressure that the cable received is too big, elasticity buffering ball skin 104 in the center support ball 001 can play a cushioning effect to the extrusion that buffering cable core 004 received reduces the damage that cable core 004 received.
The foregoing is only a preferred embodiment 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 (10)
1. The utility model provides an anti-shear is from withstand voltage type cable of restoring, includes central bracing ball (001), its characterized in that: a supporting compression-resistant frame is arranged on the outer side of the central supporting ball (001), the supporting compression-resistant frame comprises four fixing rods (201) which are uniformly distributed in an annular shape, one end, far away from the central supporting ball (001), of each fixing rod (201) is fixedly connected with a connecting block (202), a protective pressed sheet (003) is fixedly connected between every two adjacent connecting blocks (202), a linkage sliding block (203) is sleeved on the outer wall of each fixing rod (201) in a sliding mode, a first buffer spring (204) and a second buffer spring (205) which are sleeved on the outer wall of each fixing rod (201) in a sliding mode are arranged on each of two sides of each linkage sliding block (203), a linkage hinge rod (206) is arranged between every two adjacent fixing rods (201), a core seat (207) is fixedly connected to one side of each linkage hinge rod (206), a cable core wire (004) is embedded and installed on each core seat (207), and a linkage telescopic rod set is, the linkage telescopic rod group comprises a sleeve (501), wherein a matched sliding rod (502) is connected in the sleeve (501) in a sliding mode, the bottom end of the sliding rod (502) is fixedly connected with a piston (503) matched with the sleeve (501), a lower sealing plate (504) is fixedly connected to the lower portion of the piston (503) and is arranged on the inner wall of the sleeve (501), an upper sealing plate (505) is fixedly connected to the upper portion of the piston (503) and is arranged on the inner wall of the sleeve (501), two vent pipes (506) are fixedly connected to the upper side and the lower side of the piston (503), one end of each vent pipe (506) is far away from the corresponding elastic air bag (507) of the piston (503), and air inlet and outlet holes (508) are formed in the outer walls of the two.
2. The pressure-resistant cable of claim 1, characterized in that: center support ball (001) is including center solid ball (101), four vaulting poles (102) that are annular evenly distributed of fixedly connected with on the outer wall of center solid ball (101), the one end fixedly connected with stereoplasm support ball skin (103) of center solid ball (101) are kept away from in vaulting pole (102), and equal fixed connection elastic buffer ball skin (104), four between two adjacent stereoplasm support ball skins (103) stereoplasm support ball skin (103) and four elastic buffer ball skin (104) enclose and establish into sealed spherical shell form.
3. The pressure-resistant cable of claim 2, characterized in that: center support ball (001) intussuseption is filled with nitrogen gas, stereoplasm supports ball skin (103) and adopts rigid plastic to make, elastic buffer ball skin (104) adopt elastic rubber to make, four dead lever (201) fixed connection respectively is on the outer wall of four stereoplasm support ball skins (103).
4. The pressure-resistant cable of claim 1, characterized in that: the first buffer spring (204) is positioned between the linkage sliding block (203) and the connecting block (202), and the second buffer spring (205) is positioned between the central supporting ball (001) and the linkage sliding block (203).
5. The pressure-resistant cable of claim 1, characterized in that: the four linkage hinge rods (206) are uniformly distributed in an annular shape, and two ends of each linkage hinge rod (206) are hinged to the fixing rods (201) on two sides respectively.
6. The pressure-resistant cable of claim 1, characterized in that: the protection pressed sheet (003) is set to be in a circular arc shape with the center supporting ball (001) as the center, and the protection pressed sheet (003) comprises an elastic inner layer (301) and a protection outer layer (302).
7. The pressure-resistant cable of claim 6, wherein: the elastic inner layer (301) is made of elastic metal sheet materials, and the protective outer layer (302) is made of ethylene propylene rubber materials.
8. The pressure-resistant cable of claim 1, characterized in that: the bottom end of the sleeve (501) is hinged to the linkage hinge rod (206), and the sliding rod (502) penetrates through the outer wall of the top of the sleeve (501) and extends to be hinged to the protected pressed sheet (003).
9. The pressure-resistant cable of claim 8, wherein: the piston (503) penetrates through the upper sealing plate (505) in a sliding mode, and a sliding sealing ring (509) is arranged at the connecting position of the piston (503) and the upper sealing plate (505).
10. The pressure-resistant cable of claim 8, wherein: the distance between the upper sealing plate (505) and the piston (503) is larger than the distance between the lower sealing plate (504) and the piston (503), and the elastic air bag (507) positioned below the piston (503) is abutted against the lower sealing plate (504).
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| CN202011435020.3A CN112614613B (en) | 2020-12-10 | 2020-12-10 | Anti-shearing self-restoring pressure-resistant cable |
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| CN202011435020.3A CN112614613B (en) | 2020-12-10 | 2020-12-10 | Anti-shearing self-restoring pressure-resistant cable |
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| CN112614613B CN112614613B (en) | 2022-06-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555152A (en) * | 2021-05-18 | 2021-10-26 | 史云仙 | Recombined compression-resistant and bending-resistant power line |
| CN114203346A (en) * | 2021-11-29 | 2022-03-18 | 王�忠 | High-strength cable for protective deep-sea oil drilling |
| CN114336452A (en) * | 2021-12-24 | 2022-04-12 | 扬州市鸿信线路器材有限公司 | MPP solid wall power cable protection tube of a tub multichannel |
| CN116543958A (en) * | 2023-06-27 | 2023-08-04 | 无锡胜维电气有限公司 | Cable capable of effectively preventing impact |
| CN117352213A (en) * | 2023-11-03 | 2024-01-05 | 河南***电缆股份有限公司 | High tensile cable |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016126260A (en) * | 2015-01-08 | 2016-07-11 | ブラザー工業株式会社 | Image formation apparatus lock mechanism |
| CN206412116U (en) * | 2016-12-20 | 2017-08-15 | 新疆峰岩线缆有限公司 | A kind of environmental protection safety type fireproof cable |
| CN207074578U (en) * | 2017-08-28 | 2018-03-06 | 铜陵铜泉线缆科技有限公司 | Track traffic Special power cable |
| CN108288521A (en) * | 2017-12-26 | 2018-07-17 | 铜陵三佳变压器科技股份有限公司 | A kind of transformer assembly line aerial cable |
| CN108573771A (en) * | 2018-05-21 | 2018-09-25 | 安徽国电电缆集团有限公司 | A kind of good big sectional area power cable of current-carrying capability |
| CN109003706A (en) * | 2018-07-25 | 2018-12-14 | 安徽蒙特尔电缆集团有限公司 | A kind of robot high performance cable |
| CN208507266U (en) * | 2018-08-01 | 2019-02-15 | 安徽徽宁电器仪表集团有限公司 | A kind of resistance to compression flame-proof power cable |
| CN110164612A (en) * | 2019-06-06 | 2019-08-23 | 卢文杰 | Anti- shearing multi-layer cable |
| CN210925616U (en) * | 2019-12-11 | 2020-07-03 | 安徽宁国汉泰新型材料有限公司 | Double-layer wear-resistant high-temperature-resistant anti-collision sleeve |
| CN210943063U (en) * | 2019-09-08 | 2020-07-07 | 佳木斯兴宇生物技术开发有限公司 | Light stable corrugated container board full paper bucket |
| CN212113293U (en) * | 2020-03-25 | 2020-12-08 | 浙江元通线缆制造有限公司 | Medium-voltage fireproof power cable |
-
2020
- 2020-12-10 CN CN202011435020.3A patent/CN112614613B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016126260A (en) * | 2015-01-08 | 2016-07-11 | ブラザー工業株式会社 | Image formation apparatus lock mechanism |
| CN206412116U (en) * | 2016-12-20 | 2017-08-15 | 新疆峰岩线缆有限公司 | A kind of environmental protection safety type fireproof cable |
| CN207074578U (en) * | 2017-08-28 | 2018-03-06 | 铜陵铜泉线缆科技有限公司 | Track traffic Special power cable |
| CN108288521A (en) * | 2017-12-26 | 2018-07-17 | 铜陵三佳变压器科技股份有限公司 | A kind of transformer assembly line aerial cable |
| CN108573771A (en) * | 2018-05-21 | 2018-09-25 | 安徽国电电缆集团有限公司 | A kind of good big sectional area power cable of current-carrying capability |
| CN109003706A (en) * | 2018-07-25 | 2018-12-14 | 安徽蒙特尔电缆集团有限公司 | A kind of robot high performance cable |
| CN208507266U (en) * | 2018-08-01 | 2019-02-15 | 安徽徽宁电器仪表集团有限公司 | A kind of resistance to compression flame-proof power cable |
| CN110164612A (en) * | 2019-06-06 | 2019-08-23 | 卢文杰 | Anti- shearing multi-layer cable |
| CN210943063U (en) * | 2019-09-08 | 2020-07-07 | 佳木斯兴宇生物技术开发有限公司 | Light stable corrugated container board full paper bucket |
| CN210925616U (en) * | 2019-12-11 | 2020-07-03 | 安徽宁国汉泰新型材料有限公司 | Double-layer wear-resistant high-temperature-resistant anti-collision sleeve |
| CN212113293U (en) * | 2020-03-25 | 2020-12-08 | 浙江元通线缆制造有限公司 | Medium-voltage fireproof power cable |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555152A (en) * | 2021-05-18 | 2021-10-26 | 史云仙 | Recombined compression-resistant and bending-resistant power line |
| CN113555152B (en) * | 2021-05-18 | 2022-11-25 | 东莞市勤达电线有限公司 | Recombined compression-resistant and bending-resistant power line |
| CN114203346A (en) * | 2021-11-29 | 2022-03-18 | 王�忠 | High-strength cable for protective deep-sea oil drilling |
| CN114203346B (en) * | 2021-11-29 | 2023-11-03 | 四川中缆电缆集团有限公司 | Protective type high-strength cable for deep sea oil drilling |
| CN114336452A (en) * | 2021-12-24 | 2022-04-12 | 扬州市鸿信线路器材有限公司 | MPP solid wall power cable protection tube of a tub multichannel |
| CN116543958A (en) * | 2023-06-27 | 2023-08-04 | 无锡胜维电气有限公司 | Cable capable of effectively preventing impact |
| CN116543958B (en) * | 2023-06-27 | 2023-09-26 | 无锡胜维电气有限公司 | Cable capable of preventing impact |
| CN117352213A (en) * | 2023-11-03 | 2024-01-05 | 河南***电缆股份有限公司 | High tensile cable |
| CN117352213B (en) * | 2023-11-03 | 2024-04-12 | 河南***电缆股份有限公司 | High tensile cable |
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Effective date of registration: 20220527 Address after: 062450 Guxian Town, Hejian City, Cangzhou City, Hebei Province Applicant after: DONGFENG WIRE & CABLE GROUP Co.,Ltd. Address before: 323000 No. 493, Zhongdong Road, Liandu District, Lishui City, Zhejiang Province Applicant before: Li Xing |
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