CN114361873A - High temperature and high voltage resistant cable connection protection device for power engineering - Google Patents
High temperature and high voltage resistant cable connection protection device for power engineering Download PDFInfo
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- CN114361873A CN114361873A CN202111462358.2A CN202111462358A CN114361873A CN 114361873 A CN114361873 A CN 114361873A CN 202111462358 A CN202111462358 A CN 202111462358A CN 114361873 A CN114361873 A CN 114361873A
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- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 12
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Abstract
The invention discloses a high-temperature and high-voltage resistant cable connection protection device for electric power engineering, which belongs to the technical field of electric power engineering and comprises two cables, wherein the cables are respectively sleeved with an installation ring, one side of the installation ring is fixedly provided with a locking assembly, one side of the installation ring is fixedly provided with a plurality of push posts at equal angles, one side of each push post, which is far away from the installation ring, is provided with four arc-shaped extrusion rings, the four arc-shaped extrusion rings are slidably connected with two arc-shaped clamping plates, the inner walls of the arc-shaped clamping plates are respectively provided with a filling part, two connecting screw rods are sleeved among the four fixing blocks, one side of each connecting screw rod is provided with a bolt in a threaded connection mode, the connecting screw rods are respectively slidably connected with a plurality of fixing assemblies, and two sides of the two cables are respectively provided with a heat insulation protection shell. From this, can effectually protect the junction of cable, promote crushing resistance and high temperature resistance and avoid appearing leading to appearing not hard up phenomenon because of rocking.
Description
Technical Field
The invention relates to a protection device, in particular to a high-temperature and high-voltage resistant cable connection protection device for power engineering, and belongs to the technical field of power engineering.
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. In the field of power engineering, power cables are quite wide in application, and in the using process of the power cables, two cables are often required to be connected due to the fact that the lengths of the cables are not enough, and therefore a protection device is required to protect the connection position of the two cables.
However, the common protective device in the market is generally simple in structure, not ideal enough in protective effect on the joint, and poor in pressure-resistant and high-temperature-resistant capacity.
Therefore, how to develop a high-temperature and high-voltage resistant cable connection protection device for power engineering is a problem to be solved urgently.
Disclosure of Invention
In order to solve at least one of the above problems, the present invention provides a high temperature and high voltage resistant cable connection protection device for power engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature and high-voltage resistant cable connection protection device for electric power engineering is designed, and comprises two cables, wherein the cables are all sleeved with a mounting ring, one side of the mounting ring is fixedly provided with a locking component, one side of the mounting ring is equally and angularly fixedly provided with a plurality of push posts, one side of the push posts, which is far away from the mounting ring, is provided with four arc-shaped extrusion rings, the arc-shaped extrusion rings are respectively fixedly provided with a plurality of sliders, the four arc-shaped extrusion rings are respectively provided with two arc-shaped clamping plates through sliding block sliding connection, the inner walls of the arc-shaped clamping plates are respectively provided with a plurality of sliding grooves corresponding to the sliders, the inner walls of the arc-shaped clamping plates are respectively provided with a filling part, the mounting ring is respectively fixedly provided with two fixing blocks, two connecting screw rods are sleeved between the four fixing blocks, one side of each connecting screw rod is provided with a bolt in a threaded connection manner, and the connecting screw rods are respectively provided with a plurality of fixing components in a sliding connection manner, two the both sides of cable conductor all are equipped with the protecting crust that separates the temperature, the both sides of separating the temperature protecting crust all are fixed and are equipped with a plurality of connecting portion, the inner wall that separates the temperature protecting crust all is fixed and is equipped with a plurality of reinforcement assembly.
Preferably, one side of the mounting ring, which is far away from the locking assembly, is fixedly provided with a sealing ring, and a sealing gasket is arranged between the two arc-shaped clamping plates.
Preferably, the connecting part comprises two fixing plates, the fixing plates are respectively fixedly connected with the heat insulation protective shell, and a bolt is sleeved between the two fixing plates.
Preferably, the locking assembly comprises a locking ring, the locking ring is fixedly connected with the mounting ring, a plurality of first threaded columns are arranged on the locking ring in an equal-angle threaded connection mode, a first inner hexagonal sleeve is fixedly arranged at one end of each first threaded column, one end, far away from the first inner hexagonal sleeve, of each first threaded column penetrates through the locking ring and is fixedly provided with a first arc-shaped locking plate, and a first rubber pad is fixedly arranged on the lower surface of each first arc-shaped locking plate.
Preferably, the fixed subassembly includes the slide, the slide cup joints with connecting screw mutually, the equal threaded connection in both sides of slide is equipped with screw thread post two, the one end of screw thread post two is all fixed and is equipped with hexagon socket head cap sleeve two, two the one end that hexagon socket head cap sleeve two was kept away from to screw thread post two runs through one side that the slide extended to the slide and fixes and be equipped with arc locking board two, the lower surface of arc locking board two is all fixed and is equipped with rubber pad two.
Preferably, consolidate the subassembly and include a plurality of reinforcement sleeves, consolidate telescopic one end all with the inner wall fixed connection who separates the temperature protecting crust, it all cup joints and is equipped with the support screw post to consolidate telescopic inner wall, the equal threaded connection in one side of support screw post is equipped with the internal thread and adjusts a section of thick bamboo, the internal thread is adjusted a section of thick bamboo and is rotated with reinforcement sleeve respectively and is connected, and is a plurality of it keeps away from the fixed support bar that is equipped with of the one end of consolidating the sleeve to support the screw post.
Preferably, the central angle degree of the arc-shaped extrusion ring is smaller than that of the arc-shaped clamping plate.
Preferably, the inner walls of the first inner hexagonal sleeve and the second inner hexagonal sleeve have the same size.
Compared with the prior art, the invention has the beneficial effects that: the connection strength between the two cables can be improved under the matching of the mounting ring, the locking component, the fixing block, the connecting screw rod and the nut, the sealing performance of the joint of the two cables can be ensured under the matching among the sealing ring, the sealing gasket and the filling part, meanwhile, the filling part can be extruded under the action of the arc-shaped extrusion ring, so that the filling part can be fully filled between the arc-shaped clamping plate and the connection part of the two cables, the sealing performance is further improved, and simultaneously, the high temperature resistance of the invention can be improved, under the action of the fixing component, can improve the connecting strength between the two arc-shaped clamping plates, and can effectively avoid the phenomenon that the two cables are easy to shake and fall off, under the action of the heat insulation protective shell and the connecting part, the cable can be effectively protected and insulated, and under the action of the reinforcing component, the pressure resistance of the cable can be effectively improved.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of a preferred embodiment of the high temperature and high voltage resistant cable connection protection device for power engineering according to the present invention;
fig. 2 is a front sectional view of a preferred embodiment of the high temperature and high voltage resistant cable connection protection device for electric power engineering according to the present invention;
fig. 3 is a side sectional view of a preferred embodiment of the high temperature and high voltage resistant cable connection protector for electrical engineering according to the present invention;
FIG. 4 is a disassembled view of a reinforcement assembly of a preferred embodiment of the high temperature and high voltage resistant cable connection protection device for electric power engineering according to the present invention;
FIG. 5 is a front view of the internal structures of two thermal insulation protective cases of a preferred embodiment of the high temperature and high voltage resistant cable connection protective device for power engineering according to the present invention;
FIG. 6 is an exploded view of the structure of FIG. 5;
fig. 7 is a structural exploded view at a in fig. 6.
In the figure: 1. a cable wire; 2. a mounting ring; 3. a locking assembly; 4. a seal ring; 5. pushing the column; 6. an arc-shaped extrusion ring; 7. a slider; 8. an arc-shaped splint; 9. a chute; 10. a gasket; 11. a filling section; 12. a fixed block; 13. connecting a screw rod; 14. a nut; 15. a fixing assembly; 16. a thermal insulation protective shell; 17. a fixing plate; 18. a bolt; 19. a reinforcement assembly; 301. locking a ring; 302. a first threaded column; 303. a first arc-shaped locking plate; 304. a first rubber pad; 305. a first inner hexagonal sleeve; 1501. a slide base; 1502. a second threaded column; 1503. a second arc-shaped locking plate; 1504. a second rubber pad; 1505. a second inner hexagonal sleeve; 1901. reinforcing the sleeve; 1902. supporting the threaded column; 1903. an internal thread adjusting cylinder; 1904. a support strip.
Detailed Description
In the embodiments of the present invention, the terms "first", "second", and the like are used for distinguishing different elements by name, but do not denote a spatial arrangement, a temporal order, or the like of the elements, and the elements should not be limited by the terms. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising," "including," "having," and the like, refer to the presence of stated features, elements, components, and do not preclude the presence or addition of one or more other features, elements, components, and elements.
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-7, the high temperature and high voltage resistant cable connection protection device for power engineering provided in this embodiment includes two cables 1, a mounting ring 2 is sleeved on each cable 1, a locking component 3 is fixedly disposed on one side of the mounting ring 2, a plurality of push posts 5 are fixedly disposed on one side of the mounting ring 2 at equal angles, four arc extrusion rings 6 are disposed on one sides of the push posts 5 away from the mounting ring 2, a plurality of sliders 7 are fixedly disposed on each arc extrusion ring 6, two arc clamping plates 8 are slidably connected to the four arc extrusion rings 6 through the sliders 7, a plurality of sliding grooves 9 corresponding to the sliders 7 are disposed on inner walls of the arc clamping plates 8, filling portions 11 are disposed on inner walls of the arc clamping plates 8, two fixing blocks 12 are fixedly disposed on each mounting ring 2, two connecting screws 13 are sleeved between the four fixing blocks 12, bolts 18 are threadedly connected to one side of each connecting screw 13, the equal sliding connection of connecting screw 13 is equipped with a plurality of fixed subassemblies 15, and the both sides of two cable conductors 1 all are equipped with thermal-insulated protecting crust 16, and the both sides of thermal-insulated protecting crust 16 are all fixed and are equipped with a plurality of connecting portion, and the inner wall that separates thermal-insulated protecting crust 16 is all fixed and is equipped with a plurality of reinforcement assembly 19.
Further, one side of the mounting ring 2 away from the locking component 3 is fixedly provided with a sealing ring 4, and a sealing gasket 10 is arranged between the two arc-shaped clamping plates 8.
Further, the connecting portion includes two fixed plates 17, and fixed plate 17 respectively with thermal-insulated protective housing 16 fixed connection, cup joint between two fixed plates 17 and be equipped with bolt 18.
Further, the central angle degree of the arc-shaped extrusion ring 6 is smaller than that of the arc-shaped clamping plate 8.
Further, the inner walls of the socket head sleeve one 305 and the socket head sleeve two 1505 are the same size.
Specifically, the mounting ring 2 with the size corresponding to the cable 1 is selected in the mounting process, the mounting ring 2 is respectively sleeved on two cables 1, then the fixing work of one mounting ring 2 is completed under the action of the locking component 3, after the connection between the two cables 1 is completed, the sliding block 7 on the arc extrusion ring 6 is inserted into the sliding groove 9 of the inner wall of the arc clamping plate 8, then the appropriate filling part 11 is placed on the inner wall of the arc clamping plate 8, the two arc clamping plates 8 are respectively placed on the two sides of the cable 1 and are preliminarily extruded, meanwhile, one sides of the two arc clamping plates 8 are contacted with the sealing ring 4 on the mounting ring 2, the connecting screw 13 is inserted on the two fixing blocks 12, the fixing work of the two arc clamping plates 8 is completed through the plurality of fixing components 15, the two nuts 14 are respectively sleeved on the connecting screw 13 and rotate, the nuts 14 push the fixing blocks 12 and the mounting ring 2 to start moving under the action of threads, the pushing column 5 pushes the arc-shaped extrusion ring 6 to start moving along with the pushing column, the filling part 11 is extruded until the filling part 11 is filled with the space between the two arc-shaped clamping plates 8 and the joint of the cable 1, meanwhile, the sealing ring 4 on the other mounting ring 2 is tightly attached to the two arc-shaped clamping plates 8, and finally, the reinforcing component 19 is adjusted, and the two heat-insulating protective shells 16 are arranged on two sides of the cable 1 to complete the fixing work of the heat-insulating protective shells 16 under the matching of the fixing plate 17 and the bolt 18.
In this embodiment, as shown in fig. 7, the locking assembly 3 includes a locking ring 301, the locking ring 301 is fixedly connected to the mounting ring 2, a plurality of first threaded posts 302 are provided in the locking ring 301 in an equiangular threaded connection, one end of each first threaded post 302 is fixedly provided with a first socket head 305, one end of each first threaded post 302 away from the first socket head penetrates through the locking ring 301 and is fixedly provided with a first arc-shaped locking plate 303, and a first rubber pad 304 is fixedly provided on the lower surface of each first arc-shaped locking plate 303.
Specifically, when the mounting ring 2 is fixed, a tool is respectively and sequentially inserted into the first inner hexagonal sleeve 305 and rotated to enable the first threaded column 302 to start rotating, the first arc-shaped locking plate 303 starts moving under the action of the threads, when the first threaded column 302 is rotated, one first inner hexagonal sleeve 305 is rotated for a certain number of turns, then the other first inner hexagonal sleeve 305 opposite to the same straight line is rotated for the same number of turns, and after the rotation is completed, the other two first inner hexagonal sleeves 305 are respectively rotated according to the above procedures until the fixing work of the mounting ring 2 is completed.
In this embodiment, as shown in fig. 6, the fixing assembly 15 includes a sliding base 1501, the sliding base 1501 is sleeved with the connecting screw 13, two sides of the sliding base 1501 are both provided with two threaded columns 1502 in threaded connection, one end of each of the two threaded columns 1502 is provided with a second socket cap 1505, one end of each of the two threaded columns 1502, which is far away from the second socket cap, penetrates through the sliding base 1501 and extends to one side of the sliding base 1501 and is fixedly provided with a second arc-shaped locking plate 1503, and the lower surface of the second arc-shaped locking plate 1503 is fixedly provided with a second rubber pad 1504.
Specifically, when two arc-shaped splints 8 are fixed, two sliding seats 1501 are respectively moved to proper positions on a connecting screw rod 13, then two tools are simultaneously inserted into two inner hexagonal sleeves 1505 on one sliding seat 1501 and simultaneously rotate for a certain number of turns, under the action of the threads, a threaded column two 1502 pushes an arc-shaped locking plate two 1503 to start moving, then two tools are simultaneously inserted into two inner hexagonal sleeves two 1505 on the other sliding seat 1501 and simultaneously rotate for the same number of turns, the steps are repeated until the fixing work is completed, then the two sliding seats 1501 are respectively moved to proper positions on the connecting screw rod 13, and the previous steps are repeated until the fixing work on the two arc-shaped splints 8 is completed.
In this embodiment, as shown in fig. 4, the reinforcing component 19 includes a plurality of reinforcing sleeves 1901, one end of each reinforcing sleeve 1901 is fixedly connected to the inner wall of the heat insulation protective housing 16, the inner wall of each reinforcing sleeve 1901 is sleeved with a supporting threaded post 1902, one side of each supporting threaded post 1902 is connected to an internal thread adjusting barrel 1903 in a threaded manner, each internal thread adjusting barrel 1903 is connected to the corresponding reinforcing sleeve 1901 in a rotating manner, and one end of each supporting threaded post 1902, which is far away from the corresponding reinforcing sleeve 1901, is fixedly provided with a supporting bar 1904.
Specifically, in order to improve the pressure resistance of the present invention, the internal thread adjusting cylinder 1903 is sequentially rotated according to the size of the cable 1, and the supporting threaded post 1902 starts to push the supporting strip 1904 to start moving under the action of the thread until the supporting strip 1904 is adjusted to a proper position, so that the supporting strips 1904 can be tightly attached to the cable 1 when the fixing operation of the two thermal insulation protective cases 16 is completed.
While the invention has been described with reference to specific embodiments, it will be apparent to those skilled in the art that these descriptions are illustrative and not intended to limit the scope of the invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.
Claims (8)
1. The high-temperature and high-voltage resistant cable connection protection device for the power engineering is characterized by comprising two cables (1), wherein the cables (1) are all sleeved with a mounting ring (2), one side of the mounting ring (2) is fixedly provided with a locking assembly (3), one side of the mounting ring (2) is fixedly provided with a plurality of push posts (5) at equal angles, one side of each push post (5) far away from the mounting ring (2) is provided with four arc-shaped extrusion rings (6), each arc-shaped extrusion ring (6) is fixedly provided with a plurality of sliding blocks (7), the four arc-shaped extrusion rings (6) are slidably connected with two arc-shaped clamping plates (8) through the sliding blocks (7), the inner walls of the arc-shaped clamping plates (8) are provided with a plurality of sliding grooves (9) corresponding to the sliding blocks (7), and the inner walls of the arc-shaped clamping plates (8) are provided with filling parts (11), the utility model discloses a cable conductor, including collar (2), mounting ring (2) all fixed two fixed blocks (12) that are equipped with, four cup joint between fixed block (12) and be equipped with two connecting screw (13), the equal threaded connection in one side of connecting screw (13) is equipped with bolt (18), the equal sliding connection of connecting screw (13) is equipped with a plurality of fixed subassemblies (15), two the both sides of cable conductor (1) all are equipped with and separate temperature protecting crust (16), the both sides of separating temperature protecting crust (16) are all fixed and are equipped with a plurality of connecting portion, the inner wall that separates temperature protecting crust (16) is all fixed and is equipped with a plurality of reinforcement assembly (19).
2. The high-temperature and high-voltage resistant cable connection protection device for the electric power engineering as claimed in claim 1, wherein a sealing ring (4) is fixedly arranged on one side of the mounting ring (2) away from the locking component (3), and a sealing gasket (10) is arranged between the two arc-shaped clamping plates (8).
3. The high-temperature and high-voltage resistant cable connection protection device for the electric power engineering as claimed in claim 1, wherein the connection portion comprises two fixing plates (17), the fixing plates (17) are respectively and fixedly connected with the thermal insulation protection shell (16), and a bolt (18) is sleeved between the two fixing plates (17).
4. The high-temperature and high-voltage resistant cable connection protection device for the electric power engineering as claimed in claim 1, wherein the locking assembly (3) comprises a locking ring (301), the locking ring (301) is fixedly connected with the mounting ring (2), a plurality of first threaded columns (302) are arranged in the locking ring (301) in an equiangular threaded connection, one ends of the first threaded columns (302) are respectively and fixedly provided with a first inner hexagonal sleeve (305), one ends of the first threaded columns (302), which are far away from the first inner hexagonal sleeve, penetrate through the locking ring (301) and are respectively and fixedly provided with a first arc-shaped locking plate (303), and a first rubber pad (304) is respectively and fixedly arranged on the lower surfaces of the first arc-shaped locking plates (303).
5. The high-temperature and high-voltage resistant cable connection protection device for the electric power engineering as claimed in claim 1, wherein the fixing assembly (15) comprises a sliding base (1501), the sliding base (1501) is sleeved with the connecting screw rod (13), two threaded columns (1502) are respectively arranged on two sides of the sliding base (1501) in a threaded connection mode, an inner hexagonal sleeve (1505) is fixedly arranged at one end of each threaded column (1502), one ends, far away from the inner hexagonal sleeve (1502), of the two threaded columns extend to one side of the sliding base (1501) through the sliding base (1501) and are fixedly provided with two arc-shaped locking plates (1503), and a rubber gasket (1504) is fixedly arranged on the lower surface of each arc-shaped locking plate (1503).
6. The high-temperature and high-voltage resistant cable connection protection device for the power engineering as claimed in claim 1, wherein the reinforcement assembly (19) comprises a plurality of reinforcement sleeves (1901), one ends of the reinforcement sleeves (1901) are fixedly connected with the inner wall of the heat insulation protection shell (16), the inner walls of the reinforcement sleeves (1901) are sleeved with support threaded columns (1902), one sides of the support threaded columns (1902) are respectively and threadedly connected with internal thread adjusting cylinders (1903), the internal thread adjusting cylinders (1903) are respectively and rotatably connected with the reinforcement sleeves (1901), and a plurality of support threaded columns (1902) are fixedly provided with support bars (1904) at the ends far away from the reinforcement sleeves (1901).
7. The high-temperature and high-voltage resistant cable connection protection device for the electric power engineering as claimed in claim 1, wherein the central angle degree of the arc-shaped extrusion ring (6) is smaller than that of the arc-shaped clamping plate (8).
8. The high temperature and high voltage resistant cable connection protector for electric power engineering as claimed in claim 4 or 5, wherein the inner walls of the first inner hexagonal sleeve (305) and the second inner hexagonal sleeve (1505) have the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111462358.2A CN114361873A (en) | 2021-12-02 | 2021-12-02 | High temperature and high voltage resistant cable connection protection device for power engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111462358.2A CN114361873A (en) | 2021-12-02 | 2021-12-02 | High temperature and high voltage resistant cable connection protection device for power engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114361873A true CN114361873A (en) | 2022-04-15 |
Family
ID=81097587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111462358.2A Withdrawn CN114361873A (en) | 2021-12-02 | 2021-12-02 | High temperature and high voltage resistant cable connection protection device for power engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN114361873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922650A (en) * | 2023-07-24 | 2023-10-24 | 沈兴线缆集团有限公司 | Extrusion molding device and process for producing high-temperature-resistant cable |
-
2021
- 2021-12-02 CN CN202111462358.2A patent/CN114361873A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922650A (en) * | 2023-07-24 | 2023-10-24 | 沈兴线缆集团有限公司 | Extrusion molding device and process for producing high-temperature-resistant cable |
| CN116922650B (en) * | 2023-07-24 | 2024-03-22 | 沈兴线缆集团有限公司 | Extrusion molding device and process for producing high-temperature-resistant cable |
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Application publication date: 20220415 |