CN115173084A - Cable connection contact tensile and compressive structure for power supply - Google Patents
Cable connection contact tensile and compressive structure for power supply Download PDFInfo
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- CN115173084A CN115173084A CN202210889851.0A CN202210889851A CN115173084A CN 115173084 A CN115173084 A CN 115173084A CN 202210889851 A CN202210889851 A CN 202210889851A CN 115173084 A CN115173084 A CN 115173084A
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- Prior art keywords
- cable
- bottom plate
- compressive
- connection point
- compression
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- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000002146 bilateral effect Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 2
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 2
- 241000018646 Pinus brutia Species 0.000 abstract description 2
- 238000002788 crimping Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a tensile and compressive structure of a cable connection point for power supply, which aims to solve the technical problems that the tensile and compressive performance of the cable connection point in the prior art is poor, when external force is applied, the cable of the connection point is easy to break or damage, the normal use of the cable is influenced, the cable connection point does not have a function of supporting the cable connection point, and the cable connection point is easy to loosen. The tensile and compressive structure comprises a bottom plate, a compressive outer cover which is detachably arranged at the upper end of the bottom plate, supporting legs which are fixed at four corners of the lower end of the bottom plate, and mounting assemblies which are fixed at the front end and the rear end of the bottom plate and used for fixing the compressive outer cover. This tensile resistance to compression structure utilizes the design of resistance to compression dustcoat, refutes the cable and connects the point to protect, improves the compressive property that the cable refuted the contact, utilizes interior clamping component and outer clamping component simultaneously, carries out the centre gripping to the cable, even when receiving great pulling force, ensures that the cable refutes the contact and can not break off, avoids refuting the contact pine and takes off.
Description
Technical Field
The invention belongs to the technical field of power supply, and particularly relates to a tensile and compressive structure of a cable connection point for power supply.
Background
The cable is mainly used for transmitting electric power, can transmit models or realize electromagnetic energy conversion, is widely applied in daily life, and is required to be a cable in a place where people live and in an economic event in the modern society.
At present, an invention patent with a patent number CN201821248027.2 discloses a cable connection assembly, which includes: the first sleeve is sleeved on the first cable; the second sleeve is sleeved on the second cable; the soft copper line subassembly, the soft copper line subassembly includes stranded soft copper line and two crimping pipes, two the crimping pipe respectively with the both ends of stranded soft copper line are connected, one of them the crimping pipe be used for the crimping in on the sinle silk of first cable, another one the crimping pipe be used for the crimping in on the sinle silk of second cable. It adopts be that flexible sleeve portion and annealed copper wire subassembly are non-rigid structure, have solved coaxial cable's the higher problem of the connection degree of difficulty of refuting, but this structure exists that the tensile compressive property of cable connection point is relatively poor, when receiving external force, causes easily refutes the fracture or the damage of connection point cable, influences the normal use of cable, and does not possess the function of refuting the connection point to the cable and carrying out the support, and the cable is refuted the easy pine of connection point and is taken off.
Therefore, in order to solve the above problem of poor tensile and compressive properties, it is necessary to improve the use scenario of the cable.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the invention aims to provide a tensile and compressive structure of a cable connection point for power supply, which aims to solve the technical problems that the tensile and compressive performance of the cable connection point in the prior art is poor, when external force is applied to the cable connection point, the cable connection point is easy to break or damage, the normal use of the cable is influenced, the cable connection point does not have the function of supporting the cable connection point, and the cable connection point is easy to loosen.
(2) Technical scheme
In order to solve the technical problems, the invention provides a tensile and compressive structure of a cable connection point for power supply, which comprises a bottom plate, a detachable compressive outer cover arranged at the upper end of the bottom plate, supporting legs fixed at four corners of the lower end of the bottom plate, and mounting assemblies fixed at the front end and the rear end of the bottom plate and used for fixing the compressive outer cover; wherein, the water absorption strip and the supporting component that fixedly connected with bilateral symmetry distributes in proper order from inside to outside in the bottom plate upper end, the second guiding hole that second screw hole and bilateral symmetry distribute is all seted up from inside to outside on bottom plate and the resistance to compression dustcoat, install the interior centre gripping subassembly that can follow vertical movement in second screw hole and the second guiding hole, install the locating component that can follow the horizontal direction back-and-forth movement in the interior centre gripping subassembly, be provided with the cable of refuting and connecing in the resistance to compression dustcoat, symmetrical distribution's around both ends are all installed and are used for pressing from both sides tightly the outer centre gripping subassembly of cable about the resistance to compression dustcoat, both ends are all seted up and are used for passing the open slot of cable about the resistance to compression dustcoat.
Use during this technical scheme's tensile compressive structure, put refute the cable that connects on the interior clamping assembly in the bottom plate, back-and-forth movement locating component, the rigidity with the cable, then with the outer shroud of resistance to compression in the upper end of bottom plate and cable, the cable is worn out from the open slot, and connect bottom plate and resistance to compression dustcoat through the installation component, supporting component upwards promotes the cable, support the cable, rotate the interior clamping assembly in bottom plate and the resistance to compression dustcoat simultaneously, it is fixed with the cable from two upper and lower directions, then the position of the outer clamping assembly of adjustment, further fix the position of cable from the outside, it can with the bottom plate is fixed through the supporting legs at last.
Preferably, the mounting assembly comprises an L-shaped mounting plate, a first threaded hole is formed in the L-shaped mounting plate, and a hand-screwed bolt is connected to the first threaded hole in an internal thread manner. The hand-screwed bolt is inserted into the pressure-resistant housing by rotating the hand-screwed bolt, so that the pressure-resistant housing is fixed.
Preferably, the supporting component comprises a supporting block, the lower end of the supporting block is provided with first guide holes which are symmetrically distributed in the front and back direction, a first guide post is connected in the first guide holes in a sliding mode, and the lower end of the supporting block is fixedly connected with an elastic element. The support block is pushed upward by the repulsive force of the elastic member, thereby supporting the lower end of the cable.
Preferably, the inner clamping assembly comprises a clamping plate, a screw rod seat installed on the outer side of the clamping plate, and an adjusting screw rod installed in the screw rod seat, capable of rotating and matched with the second threaded hole. By rotating the adjusting screw rod, the screw rod seat connected with the adjusting screw rod converts the rotary motion into linear motion, so that the clamping plate is driven to move up and down, and the cable is clamped tightly.
Preferably, the clamping plate is fixedly connected with second guide posts which are distributed in a bilateral symmetry manner and penetrate through the second guide holes to extend outwards, and the clamping plate is provided with adjusting grooves which are distributed in a bilateral symmetry manner and used for installing the positioning assemblies at the front side and the rear side. Through the design of second guide post, when the grip block reciprocated, played the effect of direction, avoided the offset or the slope of grip block.
Preferably, the positioning assembly comprises a positioning plate, first threaded columns and first nuts, the first threaded columns are arranged on the outer side of the positioning plate in a bilateral symmetry mode, and the first nuts are in threaded connection with the outer sides of the first threaded columns. Through setting up first nut, adjust and fix the position of locating plate, consequently fix the cable from two directions in front and back.
Preferably, the outer clamping assembly comprises a clamping block, a through groove is formed in the clamping block, a second threaded column connected with the outer side of the compression-resistant outer cover is inserted in the through groove, and a second nut is connected to the outer side of the second threaded column in a threaded mode. Through the regulation to the clamp splice position, can fix the cable of different specifications, the commonality is stronger.
Preferably, the front end and the rear end of the pressure-resistant outer cover are provided with positioning holes corresponding to the mounting assemblies. Through setting up the locating hole, the dismouting to the resistance to compression dustcoat is convenient for realize in the use of cooperation installation component.
(3) Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the tensile and compressive structure disclosed by the invention protects the cable connection point by utilizing the design of the compressive outer cover, improves the compressive property of the cable connection point, clamps the cable by utilizing the inner clamping component and the outer clamping component, still does not damage the cable even when receiving a larger pulling force, ensures that the cable connection point cannot be disconnected, supports the cable from the lower part under the action of the supporting component, effectively improves the firmness of the cable connection point and avoids the disconnection of the connection point.
Drawings
FIG. 1 is a schematic perspective view of a tensile and compressive structure according to an embodiment of the present invention;
FIG. 2 is a schematic front view of an embodiment of a tensile compression resistant structure according to the present invention;
FIG. 3 is a schematic side view of an embodiment of a tensile compression resistant structure of the present invention;
fig. 4 is a schematic top view of a tensile compression resistant structure according to an embodiment of the present invention.
The labels in the figures are: 1. a base plate; 2. a compression-resistant outer cover; 3. supporting legs; 4. mounting the component; 41. an L-shaped mounting plate; 42. a first threaded hole; 43. screwing the bolt by hand; 5. a water absorbent strip; 6. a support assembly; 61. a support block; 62. a first guide hole; 63. a first guide post; 64. an elastic element; 7. a second threaded hole; 8. a second guide hole; 9. an inner clamping assembly; 91. a clamping plate; 92. a screw rod seat; 93. adjusting the screw rod; 94. a second guide post; 95. an adjustment groove; 10. a positioning assembly; 101. positioning a plate; 102. a first threaded post; 103. a first nut; 11. a cable; 12. an outer clamping assembly; 121. a clamping block; 122. a through groove; 123. a second threaded post; 124. a second nut; 13. an open slot; 14. and (7) positioning the holes.
Detailed Description
The specific embodiment is a cable connection point tensile and compressive structure for power supply, the schematic three-dimensional structure of which is shown in fig. 1, and the schematic front structural diagram of which is shown in fig. 2, wherein the tensile and compressive structure comprises a bottom plate 1, a compressive outer cover 2 which is detachably mounted at the upper end of the bottom plate 1, supporting legs 3 which are fixed at four corners of the lower end of the bottom plate 1, and mounting assemblies 4 which are fixed at the front end and the rear end of the bottom plate 1 and are used for fixing the compressive outer cover 2; the water absorption strip 5 and the supporting component 6 that fixedly connected with bilateral symmetry distributes in proper order from inside to outside on the 1 upper end of bottom plate, second screw hole 7 and bilateral symmetry distribute's second guiding hole 8 is all seted up from inside to outside on bottom plate 1 and the resistance to compression dustcoat 2, install in second screw hole 7 and the second guiding hole 8 and can follow vertical movement's interior clamping component 9, install the locating component 10 that can follow the horizontal direction back-and-forth movement in the interior clamping component 9, be provided with the cable 11 of refuting in the resistance to compression dustcoat 2, symmetrical distribution's the outer clamping component 12 that is used for clamping cable 11 around both ends are all installed about resistance to compression dustcoat 2, open slot 13 that is used for passing cable 11 is all seted up at both ends about resistance to compression dustcoat 2.
The mounting assembly 4 comprises an L-shaped mounting plate 41, a first threaded hole 42 is formed in the L-shaped mounting plate 41, a hand-screwed bolt 43 is connected to the first threaded hole 42 in a threaded manner, the supporting assembly 6 comprises a supporting block 61, a first guide hole 62 is formed in the lower end of the supporting block 61 and is symmetrically distributed in the front and back direction, a first guide column 63 is connected to the lower end of the first guide hole 62 in a sliding manner, and an elastic element 64 is fixedly connected to the lower end of the supporting block 61.
Meanwhile, the inner clamping assembly 9 comprises a clamping plate 91, a screw rod seat 92 installed on the outer side of the clamping plate 91, and an adjusting screw rod 93 which is installed in the screw rod seat 92 and can rotate and is matched with the second threaded hole 7, wherein the clamping plate 91 is fixedly connected with a second guide post 94 which penetrates through the second guide hole 8 and extends outwards in a bilateral symmetry manner, and adjusting grooves 95 which are used for installing the positioning assembly 10 and are distributed in a bilateral symmetry manner are formed in the front side and the rear side of the clamping plate 91.
In addition, the positioning assembly 10 includes a positioning plate 101, a first threaded column 102 and a first nut 103, wherein the first threaded column 102 and the first nut 103 are symmetrically arranged on the outer side of the positioning plate 101 in a left-right manner, the first threaded column 102 is in threaded connection with the outer side of the first threaded column 102, the outer clamping assembly 12 includes a clamping block 121, a through groove 122 is formed in the clamping block 121, a second threaded column 123 connected with the outer side of the pressure-resistant outer cover 2 is inserted into the through groove 122, and a second nut 124 is in threaded connection with the outer side of the second threaded column 123.
In addition, the front end and the rear end of the pressure-resistant outer cover 2 are provided with positioning holes 14 corresponding to the mounting component 4.
The schematic side structure of the tensile and compressive structure is shown in fig. 3, and the schematic top structure thereof is shown in fig. 4.
When using this technical scheme's tensile resistance to compression structure, put refute the cable 11 that connects on the interior clamping component 9 in bottom plate 1, back-and-forth movement locating component 10, with the rigidity of cable 11, then cover resistance to compression dustcoat 2 in the upper end of bottom plate 1 and cable 11, cable 11 wears out from open slot 13, and connect bottom plate 1 and resistance to compression dustcoat 2 through installation component 4, supporting component 6 upwards promotes cable 11, support cable 11, rotate interior clamping component 9 in bottom plate 1 and the resistance to compression dustcoat 2 simultaneously, it is fixed with cable 11 from two upper and lower directions, then adjust the position of outer clamping component 12, further fix the position of cable 11 from the outside, it can to fix bottom plate 1 through supporting legs 3 at last.
Claims (8)
1. A cable connection point tensile and compressive structure for power supply comprises a bottom plate (1), a detachable compressive outer cover (2) arranged at the upper end of the bottom plate (1), supporting legs (3) fixed at four corners of the lower end of the bottom plate (1), and mounting assemblies (4) fixed at the front end and the rear end of the bottom plate (1) and used for fixing the compressive outer cover (2); its characterized in that, bottom plate (1) upper end is fixedly connected with bilateral symmetry's water absorption strip (5) and supporting component (6) that distribute from inside to outside in proper order, second screw hole (7) and bilateral symmetry's second guiding hole (8) distribute are all seted up from inside to outside on bottom plate (1) and resistance to compression dustcoat (2), install in second screw hole (7) and second guiding hole (8) and follow vertical movement's interior centre gripping subassembly (9), install in interior centre gripping subassembly (9) and follow the locating component (10) of horizontal direction back-and-forth movement, be provided with in resistance to compression dustcoat (2) and refute cable (11) that connect, symmetrical distribution's around all being used for of being installed at resistance to compression dustcoat (2) are pressed from both sides tightly subassembly (12) is held outward to cable (11), both ends are all seted up about resistance to compression dustcoat (2) and are used for passing open slot (13) of cable (11).
2. The structure of claim 1, wherein the mounting assembly (4) comprises an L-shaped mounting plate (41), a first threaded hole (42) is formed in the L-shaped mounting plate (41), and a hand bolt (43) is screwed into the first threaded hole (42).
3. The structure of claim 1, wherein the supporting member (6) comprises a supporting block (61), the lower end of the supporting block (61) is provided with first guiding holes (62) symmetrically distributed in a front-back direction, the first guiding holes (62) are slidably connected with first guiding posts (63), and the lower end of the supporting block (61) is fixedly connected with an elastic element (64).
4. The structure of claim 1, wherein the inner clamping assembly (9) comprises a clamping plate (91), a screw seat (92) mounted on the outer side of the clamping plate (91), and an adjusting screw (93) rotatably mounted in the screw seat (92) and matched with the second threaded hole (7).
5. The structure of claim 4, wherein the clamping plate (91) is fixedly connected at its outer side with second guide posts (94) extending outwards through the second guide holes (8) and symmetrically distributed at left and right sides, and the clamping plate (91) is provided at its front and rear sides with adjustment grooves (95) symmetrically distributed at left and right sides for mounting the positioning assembly (10).
6. The structure of claim 1, wherein the positioning assembly (10) comprises a positioning plate (101), first threaded columns (102) symmetrically arranged on the outer side of the positioning plate (101), and first nuts (103) screwed on the outer sides of the first threaded columns (102).
7. The structure of claim 1, wherein the outer clamping assembly (12) comprises a clamping block (121), a through groove (122) is formed in the clamping block (121), a second threaded column (123) connected with the outer side of the pressure-resistant outer cover (2) is inserted into the through groove (122), and a second nut (124) is screwed on the outer side of the second threaded column (123).
8. The structure of claim 1, wherein the front and rear ends of the compression-resistant housing (2) are provided with positioning holes (14) corresponding to the mounting members (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889851.0A CN115173084A (en) | 2022-07-27 | 2022-07-27 | Cable connection contact tensile and compressive structure for power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889851.0A CN115173084A (en) | 2022-07-27 | 2022-07-27 | Cable connection contact tensile and compressive structure for power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115173084A true CN115173084A (en) | 2022-10-11 |
Family
ID=83496803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210889851.0A Withdrawn CN115173084A (en) | 2022-07-27 | 2022-07-27 | Cable connection contact tensile and compressive structure for power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115173084A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374873A (en) * | 2023-10-18 | 2024-01-09 | 江苏全兴电缆有限公司 | High-strength tensile oil well heating cable |
-
2022
- 2022-07-27 CN CN202210889851.0A patent/CN115173084A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374873A (en) * | 2023-10-18 | 2024-01-09 | 江苏全兴电缆有限公司 | High-strength tensile oil well heating cable |
| CN117374873B (en) * | 2023-10-18 | 2024-09-13 | 江苏全兴电缆有限公司 | High-strength tensile oil well heating cable |
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Application publication date: 20221011 |