CN113555152A - Recombined compression-resistant and bending-resistant power line - Google Patents
Recombined compression-resistant and bending-resistant power line Download PDFInfo
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- CN113555152A CN113555152A CN202110540566.3A CN202110540566A CN113555152A CN 113555152 A CN113555152 A CN 113555152A CN 202110540566 A CN202110540566 A CN 202110540566A CN 113555152 A CN113555152 A CN 113555152A
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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
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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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Abstract
The invention discloses a recombined compression-resistant bending-resistant power line, which belongs to the field of power lines and is characterized in that a recombined compression-resistant ring formed by connecting and combining a plurality of single arc plates is arranged between an insulating inner core and an outer sheath, and the recombined compression-resistant ring has hardness and strength in an integral state, so that the compression-resistant performance of resisting external pressure is provided for the insulating inner core, and the external pressure is not easy to act on the insulating inner core; meanwhile, when the bending force is applied to the elastic expansion sleeve, the recombined compression resisting rings are dispersed into a plurality of single arc plates, the bending resistance is greatly reduced, so that the insulating inner core can be conveniently and smoothly bent to adapt to the external acting force, certain flexibility of the insulating inner core is ensured, the bending resistance of the elastic expansion sleeve is gradually improved along with the gradual bending of the insulating inner core, the bending resistance of the elastic expansion sleeve is increased, and the situations that the elastic expansion sleeve is excessively bent and the service life is influenced are avoided.
Description
Technical Field
The invention relates to the field of power lines, in particular to a recombined compression-resistant bending-resistant power line.
Background
The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power cord may be classified into an AC power cord and a DC power cord according to the purpose.
The power line mainly comprises an outer sheath, an inner sheath and conductors, and common transmission conductors comprise metal wires made of copper and aluminum materials. The outer sheath is also called as a protective sheath and is a layer of sheath on the outermost side of the power line, and the outer sheath plays a role in protecting the power line; the inner sheath is also called as an insulating sheath, and is an indispensable middle structure part of the power line, the main use of the insulating sheath is just insulating as the name suggests, the power-on safety of the power line is ensured, any electric leakage phenomenon cannot occur between a copper wire and air, and the material of the insulating sheath needs to be soft, so that the insulating sheath can be well embedded in the middle layer.
The cable is in the in-process such as transportation, laying, can hardly avoid receiving circumstances such as external extrusion, drag, bending, therefore the cable generally needs to possess certain pliability and compressive property to adapt to external effort. However, once the external force is large, the cable is subjected to large extrusion and bending, and the compression resistance and bending resistance of the cable are limited, the internal conductive core is damaged, so that the cable cannot be used in normal production.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a recombined compression-resistant and bending-resistant power line, which is characterized in that a recombined compression-resistant ring formed by connecting and combining a plurality of single arc plates is arranged between an insulating inner core and an outer sheath, and the recombined compression-resistant ring provides compression resistance against external pressure for the insulating inner core through the hardness and strength of the recombined compression-resistant ring in an integral state, so that the external pressure is not easy to act on the insulating inner core; meanwhile, when the bending force is applied to the elastic expansion sleeve, the recombined compression resisting rings are dispersed into a plurality of single arc plates, the bending resistance is greatly reduced, so that the insulating inner core can be conveniently and smoothly bent to adapt to the external acting force, certain flexibility of the insulating inner core is ensured, the bending resistance of the elastic expansion sleeve is gradually improved along with the gradual bending of the insulating inner core, the bending resistance of the elastic expansion sleeve is increased, and the situations that the elastic expansion sleeve is excessively bent and the service life is influenced are avoided.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A recombined anti-compression and anti-bending power line comprises an insulating inner core, wherein an outer sheath is arranged on the outer side of the insulating inner core, a plurality of uniformly distributed recombined anti-compression rings are arranged between the insulating inner core and the outer sheath, a plurality of uniformly distributed elastic expansion sleeves are arranged between the adjacent recombined anti-compression rings, each recombined anti-compression ring comprises a plurality of identical single arc plates, the number of the single arc plates is twice that of the elastic expansion sleeves, the elastic expansion sleeves are fixedly connected between a pair of parallel single arc plates, only one elastic expansion sleeve is connected to each single arc plate, the elastic expansion sleeves on the adjacent single arc plates in the same recombined anti-compression ring are respectively positioned on two sides of the recombined anti-compression ring, one end of each single arc plate is fixedly connected with a connecting block, and the other end of each single arc plate is provided with a connecting groove, the connecting blocks are respectively positioned at the inner sides of the connecting grooves, and the limiting sleeves are fixedly connected between the connecting blocks and the inner walls of the connecting grooves; meanwhile, when the bending force is applied to the elastic expansion sleeve, the recombined compression resisting rings are dispersed into a plurality of single arc plates, the bending resistance is greatly reduced, so that the insulating inner core can be conveniently and smoothly bent to adapt to the external acting force, certain flexibility of the insulating inner core is ensured, the bending resistance of the elastic expansion sleeve is gradually improved along with the gradual bending of the insulating inner core, the bending resistance of the elastic expansion sleeve is increased, and the situations that the elastic expansion sleeve is excessively bent and the service life is influenced are avoided.
Furthermore, an air flow channel is formed in the inner wall of the connecting groove, one orifice of the air flow channel is located on the inner side of the opening of the limiting sleeve, the other orifice of the air flow channel is located on the inner side of the opening of the elastic telescopic sleeve, and the limiting sleeve, the air flow channel and the elastic telescopic sleeve are communicated with one another.
Furthermore, the elastic telescopic sleeve is made of elastic materials, the initial length of the elastic telescopic sleeve is the same as the distance between the adjacent pair of recombination compression resistant rings, a plurality of filling rods are placed in the elastic telescopic sleeve, when the elastic telescopic sleeve is subjected to bending force, due to the transverse pulling effect, the recombination compression resistant rings near the bending point displace to a certain degree, the elastic telescopic sleeve is stressed and extended to drive the recombination compression resistant rings to be dispersed into a plurality of single arc plates from an integral structure, the bending resistance is greatly reduced, and therefore the insulating inner core is convenient to adapt to external acting force to be bent smoothly, and the insulating inner core is guaranteed to have certain flexibility. In the bending process, the elastic telescopic sleeve is elastically extended, the plurality of single arc plates are mutually far away, so that the limiting sleeve is synchronously extended, the internal space of the limiting sleeve is enlarged, and gas in the elastic telescopic sleeve is filled in the limiting sleeve through the gas flow channel, therefore, the filling rods are gradually thinned under the double actions of self extension and gas loss of the elastic telescopic sleeve, are gradually distributed in the elastic telescopic sleeve in a single row and side by side and are tightly abutted against each other, so that the hardness and the bending resistance of the elastic telescopic sleeve are greatly improved, certain resistance is provided for external bending force, the bending resistance of the elastic telescopic sleeve is increased, and the situations of over bending and service life influence are not easy to occur.
Furthermore, the diameter of the inner ring of the elastic telescopic sleeve in the initial state is larger than twice of the diameter of the outer ring of the filling rod, the sum of the lengths of the filling rods is 0.8-0.9 times of the initial length of the elastic telescopic sleeve, the filling rods can be mutually stacked up and down and placed in the elastic telescopic sleeve in the initial state of the elastic telescopic sleeve, a space region without the filling rods exists in the inner region of the elastic telescopic sleeve, and the filling rods can freely move.
Furthermore, the inside of elastic expansion sleeve still is equipped with major network spherical shell and vice spherical shell, and is a plurality of the filling rod all is located between major network spherical shell and the vice spherical shell.
Further, the one end that major network spherical shell and vice spherical shell are close to each other is fixedly connected with owner stay cord and vice stay cord respectively, main stay cord run through vice spherical shell, airflow channel and stop collar in proper order and with the connecting block fixed connection who is close to vice spherical shell, vice stay cord run through major network spherical shell, airflow channel and stop collar in proper order and with the connecting block fixed connection who is close to major network spherical shell.
Furthermore, main stay cord sliding connection is inside the mesh of vice net spherical shell, vice stay cord sliding connection is inside the mesh of main network spherical shell, in insulating inner core flexural process, the dispersion of reorganization resistance ring is a plurality of monomer arc boards, the removal of monomer arc board and connecting block can drive main stay cord and vice stay cord and move, thereby make main network spherical shell and vice net spherical shell inside the elastic expansion sleeve gradually be close to each other, with the packing rod extrusion ground inseparabler side by side gradually, further improve the hardness and the bending resistance of elastic expansion sleeve at the packing rod department, make the difficult emergence of this invention excessively bend, influence the condition of life-span.
Furthermore, main network spherical shell and vice net spherical shell size are the same, the difference of the inner circle diameter of elastic expansion cover under initial condition and the outer lane diameter of main network spherical shell is less than the outer lane diameter of filling rod, makes the filling rod be difficult for passing through the clearance between main network spherical shell and vice net spherical shell and the elastic expansion cover inner wall, guarantees that the filling rod is located between main network spherical shell and the vice net spherical shell.
Further, the surface of connecting block and the internal surface of spread groove are all scribbled and are equipped with the magnetic coating, and when external bending force disappeared, under the elastic action of elastic expansion sleeve, can drive a plurality of monomer arc boards and be close to each other gradually, through the appeal between the magnetic coating afterwards, make the connecting block accurately get into the spread groove fast, and the reorganization compression ring of whole annular structure is closely synthesized once more to a plurality of monomer arc boards, has good hardness and intensity, provides great compressive property for insulating inner core.
Furthermore, the cross section of the connecting block is in an isosceles trapezoid shape, the width of the connecting block is gradually reduced along the direction far away from the single arc plate, and the connecting block can conveniently enter the connecting groove.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the recombination compression ring formed by connecting and combining the plurality of single arc plates is arranged between the insulating inner core and the outer sheath, and the recombination compression ring has hardness and strength in an integral state, so that the compression resistance for resisting external pressure is provided for the insulating inner core, and the external pressure is not easy to act on the insulating inner core; meanwhile, when the bending force is applied to the elastic expansion sleeve, the recombined compression resisting rings are dispersed into a plurality of single arc plates, the bending resistance is greatly reduced, so that the insulating inner core can be conveniently and smoothly bent to adapt to the external acting force, certain flexibility of the insulating inner core is ensured, the bending resistance of the elastic expansion sleeve is gradually improved along with the gradual bending of the insulating inner core, the bending resistance of the elastic expansion sleeve is increased, and the situations that the elastic expansion sleeve is excessively bent and the service life is influenced are avoided.
(2) When the bending force is applied, the plurality of the restructuring compression rings near the bending point are displaced to a certain degree due to the transverse pulling action, the elastic telescopic sleeves are stressed and extended to drive the restructuring compression rings to be dispersed into a plurality of single arc plates from an integral structure, and the bending resistance is greatly reduced, so that the insulating inner core can be conveniently and smoothly bent to adapt to the external acting force, and the insulating inner core is ensured to have certain flexibility. In the bending process, the elastic telescopic sleeve is elastically extended, the plurality of single arc plates are mutually far away, so that the limiting sleeve is synchronously extended, the internal space of the limiting sleeve is enlarged, and gas in the elastic telescopic sleeve is filled in the limiting sleeve through the gas flow channel, therefore, the filling rods are gradually thinned under the double actions of self extension and gas loss of the elastic telescopic sleeve, are gradually distributed in the elastic telescopic sleeve in a single row and side by side and are tightly abutted against each other, so that the hardness and the bending resistance of the elastic telescopic sleeve are greatly improved, certain resistance is provided for external bending force, the bending resistance of the elastic telescopic sleeve is increased, and the situations of over bending and service life influence are not easy to occur.
(3) The diameter of the inner ring of the elastic telescopic sleeve in the initial state is larger than the twice of the diameter of the outer ring of the filling rod, the sum of the lengths of the filling rods is 0.8-0.9 times of the initial length of the elastic telescopic sleeve, the filling rods can be mutually stacked up and down and placed in the elastic telescopic sleeve in the initial state of the elastic telescopic sleeve, a space region which does not contain the filling rod exists in the inner region of the elastic telescopic sleeve, and the filling rods can freely move, so the elastic telescopic sleeve in the initial state has good free bending performance, and when the insulating inner core just receives bending force, the insulating inner core is not easily blocked in the bending process which is adaptive to the external action.
(4) In the bending process of the insulating inner core, the recombination compression-resistant rings are dispersed into a plurality of single arc plates, and the single arc plates and the connecting blocks can drive the main pull rope and the auxiliary pull rope to move, so that the main net spherical shell and the auxiliary net spherical shell are gradually close to each other in the elastic telescopic sleeve, the filling rods which are gradually arranged side by side are extruded to be tighter, the hardness and the bending resistance of the elastic telescopic sleeve at the filling rods are further improved, and the situations that the elastic telescopic sleeve is excessively bent and the service life is influenced are avoided.
(5) When external bending force disappears, under the elastic action of the elastic telescopic sleeve, the plurality of monomer arc plates can be driven to gradually approach each other, then the connecting block can quickly and accurately enter the connecting groove through attraction between the magnetic coatings, the plurality of monomer arc plates tightly synthesize the recombination compression resistant ring of the whole annular structure again, and the recombination compression resistant ring has good hardness and strength and provides larger compression resistant performance for the insulating inner core.
Drawings
FIG. 1 is a partial perspective view of the present invention;
FIG. 2 is a schematic partial perspective view of the present invention with the outer sheath removed;
FIG. 3 is a partial perspective view of the present invention when bent;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic view of the top surface of the elastic sheath of the present invention;
FIG. 6 is a schematic front view of the elastic telescopic sleeve of the present invention in an initial state;
fig. 7 is a partial front view showing the elongated elastic extensible sleeve of the present invention.
The reference numbers in the figures illustrate:
1 insulating inner core, 2 outer sheaths, 3 recombination compression resistance rings, 31 single arc plates, 3101 connecting grooves, 3102 airflow channels, 32 connecting blocks, 33 limiting sleeves, 4 elastic telescopic sleeves, 5 filling rods, 61 main network spherical shells, 62 auxiliary network spherical shells, 71 main pull ropes and 72 auxiliary pull ropes.
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 (b):
referring to fig. 1 and 2, a recombined anti-compression and anti-bending power line includes an insulating inner core 1, an outer sheath 2 is disposed outside the insulating inner core 1, a plurality of recombined anti-compression rings 3 are uniformly distributed between the insulating inner core 1 and the outer sheath 2, a plurality of elastic expansion sleeves 4 are uniformly distributed between adjacent recombined anti-compression rings 3, referring to fig. 3 and 4, the recombined anti-compression rings 3 include a plurality of identical single arc plates 31, the number of the single arc plates 31 is twice as large as that of the elastic expansion sleeves 4, the elastic expansion sleeves 4 are fixedly connected between a pair of parallel single arc plates 31, the number of the elastic expansion sleeves 4 connected to a single arc plate 31 is one and only one, the elastic expansion sleeves 4 of an adjacent pair of single arc plates 31 in the same recombined anti-compression ring 3 are respectively located at two sides of the recombined anti-compression ring 3, one end of each single arc plate 31 is fixedly connected with a connecting block 32, connecting groove 3101 has been seted up to monomer arc board 31's the other end, and a plurality of connecting block 32 are located a plurality of connecting grooves 3101's inboard respectively, and fixedly connected with stop collar 33 between connecting block 32 and the connecting groove 3101 inner wall, and connecting block 32's transversal isosceles trapezoid shape of personally submitting, and connecting block 32's width reduces along the direction of keeping away from monomer arc board 31 gradually, makes things convenient for connecting block 32 to get into in the connecting groove 3101.
Referring to fig. 5, an air flow channel 3102 is formed on an inner wall of a connecting groove 3101, one orifice of the air flow channel 3102 is located inside an opening of a position-limiting sleeve 33, the other orifice of the air flow channel 3102 is located inside an opening of an elastic expansion sleeve 4, the position-limiting sleeve 33, the air flow channel 3102 and the elastic expansion sleeve 4 are communicated with each other, the elastic expansion sleeve 4 is made of an elastic material, an initial length of the elastic expansion sleeve 4 is the same as a distance between a pair of adjacent recombination compression-resistant rings 3, a plurality of filling rods 5 are placed inside the elastic expansion sleeve 4, when the present invention is subjected to a bending force, due to a transverse pulling action, a plurality of recombination compression-resistant rings 3 near a bending point generate a certain displacement, the elastic expansion sleeve 4 is stressed to extend, the recombination compression-resistant rings 3 are dispersed into a plurality of single arc plates 31 by an integral structure, the bending resistance is greatly reduced, so that the insulating inner core 1 can be conveniently and smoothly bent under an external acting force, ensuring that the insulating inner core 1 has certain flexibility. In the bending process, the elastic telescopic sleeve 4 is elastically extended, the plurality of single arc plates 31 are away from each other, so that the limiting sleeve 33 is also synchronously extended, the internal space of the elastic telescopic sleeve is increased, and gas in the elastic telescopic sleeve 4 is filled in the limiting sleeve 33 through the gas flow channel 3102, therefore, the elastic telescopic sleeve 4 is gradually thinned under the double actions of self extension and gas loss, as shown in fig. 7, the filling rods 5 are gradually distributed in the elastic telescopic sleeve 4 in a single row side by side and are tightly abutted against each other, so that the hardness and the bending resistance of the elastic telescopic sleeve 4 are greatly improved, a certain resistance is provided for the external bending force, the bending resistance of the invention is increased, and the invention is not easy to be excessively bent and influence the service life.
The inner ring diameter of the elastic telescopic sleeve 4 in the initial state is larger than twice of the outer ring diameter of the filling rod 5, the sum of the lengths of the filling rods 5 is 0.8-0.9 times of the initial length of the elastic telescopic sleeve 4, the filling rods 5 can be mutually stacked up and down and placed in the elastic telescopic sleeve 4 in the initial state of the elastic telescopic sleeve 4, a space region which does not contain the filling rods 5 exists in the internal region of the elastic telescopic sleeve 4, and the filling rods 5 can freely move, therefore, the elastic telescopic sleeve 4 in the state has good free bending performance, and when the insulating inner core 1 just receives bending force, the insulating inner core 1 is not easily blocked in the bending process which is adaptive to the external action.
Referring to fig. 5, a main spherical shell 61 and an auxiliary spherical shell 62 are further arranged inside the elastic telescopic sleeve 4, a plurality of filling rods 5 are located between the main spherical shell 61 and the auxiliary spherical shell 62, one ends of the main spherical shell 61 and the auxiliary spherical shell 62, which are close to each other, are respectively and fixedly connected with a main pull rope 71 and an auxiliary pull rope 72, the main pull rope 71 sequentially penetrates through the auxiliary spherical shell 62, the air flow channel 3102 and the stop sleeve 33 and is fixedly connected with the connecting block 32 close to the auxiliary spherical shell 62, the auxiliary pull rope 72 sequentially penetrates through the main spherical shell 61, the air flow channel 3102 and the stop sleeve 33 and is fixedly connected with the connecting block 32 close to the main spherical shell 61, the main pull rope 71 is slidably connected inside meshes of the auxiliary spherical shell 62, the auxiliary pull rope 72 is slidably connected inside meshes of the main spherical shell 61, the recombination anti-compression ring 3 is dispersed into a plurality of single arc plates 31 during bending of the insulating inner core 1, the single arc plates 31 and the connecting block 32 drive the main pull rope 71 and the auxiliary pull rope 72 to move, therefore, the main spherical shell 61 and the auxiliary spherical shell 62 are gradually close to each other in the elastic telescopic sleeve 4, the filling rods 5 which are gradually arranged side by side are squeezed to be more compact, the hardness and the bending resistance of the elastic telescopic sleeve 4 at the filling rods 5 are further improved, and the situation that the service life is influenced by excessive bending is not easy to occur. In addition, the main spherical shell 61 and the sub spherical shell 62 have meshes, and therefore, the flow of gas in the elastic bellows 4 is not easily obstructed.
Referring to fig. 6, the main spherical shell 61 and the auxiliary spherical shell 62 have the same size, and the difference between the inner diameter of the elastic telescopic sleeve 4 in the initial state and the outer diameter of the main spherical shell 61 is smaller than the outer diameter of the filler rod 5, so that the filler rod 5 is not easy to pass through the gap between the main spherical shell 61 and the auxiliary spherical shell 62 and the inner wall of the elastic telescopic sleeve 4, and the filler rod 5 is ensured to be located between the main spherical shell 61 and the auxiliary spherical shell 62.
The outer surface of connecting block 32 and the internal surface of connecting groove 3101 are all coated with magnetic coatings, when external bending force disappears, under the elastic action of elastic expansion sleeve 4, can drive a plurality of monomer arc plates 31 and be close to each other gradually, through the appeal between the magnetic coatings afterwards, make connecting block 32 get into connecting groove 3101 fast and accurately, a plurality of monomer arc plates 31 closely synthesize whole annular structure's reorganization compression resistance ring 3 once more, have good hardness and intensity, provide great compressive property for insulating inner core 1.
According to the invention, the restructuring compression ring 3 formed by connecting and combining the plurality of single arc plates 31 is arranged between the insulating inner core 1 and the outer sheath 2, and the outer pressure is not easy to act on the insulating inner core 1 because the restructuring compression ring 3 has hardness and strength in an integral state, so that the insulating inner core 1 is provided with compression resistance against external pressure; meanwhile, when the bending force is applied to the invention, the recombination compression-resistant ring 3 is dispersed into a plurality of single arc plates 31, the bending resistance is greatly reduced, so that the insulating inner core 1 can be conveniently and smoothly bent to adapt to the external acting force, a certain flexibility of the insulating inner core 1 is ensured, the bending resistance of the elastic telescopic sleeve 4 is gradually improved along with the gradual bending of the insulating inner core 1, and the bending resistance of the invention is increased, so that the invention is not easy to be excessively bent and the service life of the invention is not influenced.
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 (10)
1. The utility model provides a recombinant form resistance to compression bending type power cord, includes insulating inner core (1), the outside of insulating inner core (1) is equipped with oversheath (2), its characterized in that: the utility model discloses an anti-jamming combination of pressing ring, including insulating inner core (1) and oversheath (2) between be equipped with a plurality of evenly distributed's reorganization anti-jamming ring (3), it is adjacent be equipped with a plurality of evenly distributed's elastic expansion sleeve (4) between reorganization anti-jamming ring (3), reorganization anti-jamming ring (3) include a plurality of identical monomer arc board (31), the number of monomer arc board (31) is the twice of elastic expansion sleeve (4) number, elastic expansion sleeve (4) fixed connection is between a pair of monomer arc board (31) that are parallel to each other, and the number of the elastic expansion sleeve (4) of connecting on single monomer arc board (31) is just one, and is same elastic expansion sleeve (4) on adjacent a pair of monomer arc board (31) in reorganization anti-jamming ring (3) are located the both sides of reorganization anti-jamming ring (3) respectively, the one end fixedly connected with connecting block (32) of monomer arc board (31), connecting grooves (3101) are formed in the other end of the single arc plate (31), the connecting blocks (32) are respectively located on the inner sides of the connecting grooves (3101), and a limiting sleeve (33) is fixedly connected between the connecting blocks (32) and the inner walls of the connecting grooves (3101).
2. The recombined compression-resistant bending-resistant power cord as claimed in claim 1, wherein: an air flow channel (3102) is formed in the inner wall of the connecting groove (3101), one orifice of the air flow channel (3102) is located on the inner side of an opening of the limiting sleeve (33), the other orifice of the air flow channel (3102) is located on the inner side of an opening of the elastic telescopic sleeve (4), and the limiting sleeve (33), the air flow channel (3102) and the elastic telescopic sleeve (4) are communicated with each other.
3. The recombined compression-resistant bending-resistant power cord as claimed in claim 2, wherein: elastic expansion sleeve (4) adopt elastic material to make, the initial length of elastic expansion sleeve (4) is the same with the interval between adjacent a pair of reorganization compression ring (3), a plurality of filling rods (5) have been placed to the inside of elastic expansion sleeve (4).
4. The recombined compression-resistant bending-resistant power cord as claimed in claim 3, wherein: the diameter of the inner ring of the elastic telescopic sleeve (4) in the initial state is more than twice of the diameter of the outer ring of the filling rod (5), and the sum of the lengths of the filling rods (5) is 0.8-0.9 time of the initial length of the elastic telescopic sleeve (4).
5. The recombined compression-resistant bending-resistant power cord as claimed in claim 3, wherein: the inside of flexible cover (4) still is equipped with main network spherical shell (61) and vice tennis shell (62), and is a plurality of filling rod (5) all are located between main network spherical shell (61) and vice tennis shell (62).
6. The recombined compression-resistant bending-resistant power cord as claimed in claim 5, wherein: main network spherical shell (61) and vice spherical shell (62) one end that is close to each other is fixedly connected with main stay cord (71) and vice stay cord (72) respectively, main stay cord (71) run through vice spherical shell (62), air current passageway (3102) and stop collar (33) in proper order and with connecting block (32) fixed connection who is close to vice spherical shell (62), vice stay cord (72) run through main network spherical shell (61), air current passageway (3102) and stop collar (33) in proper order and with connecting block (32) fixed connection who is close to main network spherical shell (61).
7. The recombined compression-resistant bending-resistant power cord as claimed in claim 6, wherein: the main pull rope (71) is connected to the inside of the meshes of the auxiliary spherical shell (62) in a sliding mode, and the auxiliary pull rope (72) is connected to the inside of the meshes of the main spherical shell (61) in a sliding mode.
8. The recombined compression-resistant bending-resistant power cord as claimed in claim 5, wherein: the main net spherical shell (61) and the auxiliary net spherical shell (62) are the same in size, and the difference between the diameter of the inner ring of the elastic telescopic sleeve (4) in the initial state and the diameter of the outer ring of the main net spherical shell (61) is smaller than the diameter of the outer ring of the filling rod (5).
9. The recombined compression-resistant bending-resistant power cord as claimed in claim 1, wherein: the outer surface of the connecting block (32) and the inner surface of the connecting groove (3101) are coated with magnetic coatings.
10. The recombined compression-resistant bending-resistant power cord as claimed in claim 1, wherein: the cross section of the connecting block (32) is in an isosceles trapezoid shape, and the width of the connecting block (32) is gradually reduced along the direction far away from the single arc plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110540566.3A CN113555152B (en) | 2021-05-18 | 2021-05-18 | Recombined compression-resistant and bending-resistant power line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540566.3A CN113555152B (en) | 2021-05-18 | 2021-05-18 | Recombined compression-resistant and bending-resistant power line |
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| CN113555152A true CN113555152A (en) | 2021-10-26 |
| CN113555152B CN113555152B (en) | 2022-11-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118655668A (en) * | 2024-08-20 | 2024-09-17 | 江苏亨通光电股份有限公司 | Optical fiber ribbon cable |
| CN118655668B (en) * | 2024-08-20 | 2024-10-29 | 江苏亨通光电股份有限公司 | Optical fiber ribbon cable |
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| CN212724791U (en) * | 2020-09-17 | 2021-03-16 | 浙江工业职业技术学院 | Cable with high safety coefficient for constructional engineering |
| CN112614613A (en) * | 2020-12-10 | 2021-04-06 | 李兴 | Anti-shearing self-restoring pressure-resistant cable |
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| GB191024122A (en) * | 1910-10-18 | 1911-03-23 | Western Electric Co Ltd | Improvements in Protective Covering for Flexible Electric Conductors. |
| JPS57111904A (en) * | 1980-12-27 | 1982-07-12 | Horiba Ltd | Flexible cable |
| JPS62285318A (en) * | 1986-06-02 | 1987-12-11 | 日本電気株式会社 | Anti-overbending cable |
| CN208970210U (en) * | 2018-09-13 | 2019-06-11 | 深圳市慧成洋科技发展有限公司 | A kind of Anti-pressure cable |
| CN111768908A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | High-compression-resistance flame-retardant high-temperature-resistant 5G cable |
| CN212624882U (en) * | 2020-08-20 | 2021-02-26 | 辽宁麦得森建设工程科技有限公司 | Resistance to compression cable |
| CN212724791U (en) * | 2020-09-17 | 2021-03-16 | 浙江工业职业技术学院 | Cable with high safety coefficient for constructional engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118655668A (en) * | 2024-08-20 | 2024-09-17 | 江苏亨通光电股份有限公司 | Optical fiber ribbon cable |
| CN118655668B (en) * | 2024-08-20 | 2024-10-29 | 江苏亨通光电股份有限公司 | Optical fiber ribbon cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113555152B (en) | 2022-11-25 |
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