CN113241721B - 10kV distribution network cable wiring subassembly - Google Patents
10kV distribution network cable wiring subassembly Download PDFInfo
- Publication number
- CN113241721B CN113241721B CN202110644913.7A CN202110644913A CN113241721B CN 113241721 B CN113241721 B CN 113241721B CN 202110644913 A CN202110644913 A CN 202110644913A CN 113241721 B CN113241721 B CN 113241721B
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- rotating shaft
- cable
- clamping
- cavity
- arm
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
Abstract
The application discloses 10kV distribution network cable wiring subassembly includes: the sleeve and the cable fixing structure; an installation cavity is arranged in the sleeve; the cable fixing structure is arranged in the mounting cavity; the cable fixing structure includes: the clamping device comprises a jacking block, a first rotating shaft, a second rotating shaft, a first clamping arm and a second clamping arm; two ends of the jacking block are respectively and rotatably connected with the first rotating shaft and the second rotating shaft; the first rotating shaft is rotatably connected with the cavity wall of the mounting cavity; the second rotating shaft is rotatably connected with the cavity wall of the mounting cavity; the first clamping arm is rotatably connected with the cavity wall of the mounting cavity and is in transmission connection with the first rotating shaft; the second clamping arm is rotatably connected with the cavity wall of the mounting cavity and is in transmission connection with the second rotating shaft. Through set up the top piece in the cover intraductal, the installation cavity back is packed into at the cable to the top piece, promotes toward keeping away from the cable direction and removes by the cable, drives first arm lock and second arm lock are toward being close to the cable direction and rotate, make first arm lock and second arm lock press from both sides tight cable.
Description
Technical Field
The application relates to the technical field of cable joint devices, in particular to a 10kV distribution network cable wiring assembly.
Background
After the cable is laid, the individual sections of wire must be connected together in order to form a continuous line. While the cables are usually connected by crimping, such connection points are easily loosened by long-term shaking and displacement of the cables.
Disclosure of Invention
In view of this, the utility model aims at providing a 10kV distribution network cable wiring subassembly for solve current cable junction point because the cable rocks, the easy not hard up problem of time.
In order to reach above-mentioned technical purpose, this application provides a 10kV distribution network cable wiring subassembly, includes: the sleeve and the cable fixing structure;
an installation cavity is arranged in the sleeve;
the cable fixing structure is arranged in the mounting cavity;
the cable fixing structure includes: the clamping device comprises a jacking block, a first rotating shaft, a second rotating shaft, a first clamping arm and a second clamping arm;
two ends of the abutting block are respectively and rotatably connected with the first end of the first rotating shaft and the first end of the second rotating shaft;
the second end of the first rotating shaft is rotatably connected with the cavity wall of the mounting cavity;
the second end of the second rotating shaft is rotatably connected with the cavity wall of the mounting cavity;
the end part of the first clamping arm is rotatably connected with the cavity wall of the mounting cavity, is in transmission connection with the first rotating shaft and is used for rotating along with the first rotating shaft in the same rotating direction;
the end part of the second clamping arm is rotatably connected with the cavity wall of the mounting cavity, is in transmission connection with the second rotating shaft and is used for rotating along with the second rotating shaft in the same rotating direction;
the jacking block is used for being installed in the cable after the installation cavity, is pushed by the cable to move towards the direction of keeping away from the cable, and then passes through first rotating shaft and second rotating shaft drive first arm lock and second arm lock rotate towards being close to the cable direction, make first arm lock and second arm lock press from both sides tight cable.
Preferably, when the top receiving block is pushed by the cable to move away from the cable, the first clamping arm abuts against the cable before the second clamping arm.
Preferably, the first clamping arm and the first rotating shaft are coaxially driven;
the second clamping arm and the second rotating shaft are in coaxial transmission;
a first lug used for pushing the first clamping arm is arranged at the end part of the first rotating shaft;
a second lug used for pushing the second clamping arm is arranged at the end part of the second rotating shaft;
the first clamping arm and the second clamping arm are symmetrically arranged in position, and when the first rotating shaft and the second rotating shaft are symmetrically arranged in position, the distance between the first lug and the first clamping arm is smaller than that between the second lug and the second clamping arm.
Preferably, a clamping joint is arranged in the mounting cavity;
the clamping connector is used for being in clamping connection with the top connecting block after the cable is installed in the installation cavity.
Preferably, a plurality of hanging plates are arranged on the clamping joint;
one end of the top connecting block facing the clamping head is provided with a concave cavity for placing the clamping head;
the cavity wall of the concave cavity is provided with a plurality of air bag cavities corresponding to the hanging plates;
after the clamping joint is connected with the jacking block, the hanging plate is connected with the corresponding air bag cavity in a sealing manner.
Preferably, the air sac cavities are communicated with each other;
a negative pressure valve is arranged in the concave cavity;
the negative pressure valve is used for adjusting the air pressure of the air bag cavity after the hanging plate is hermetically connected with the air bag cavity.
Preferably, the end of the abutting block is provided with a projection for abutting against the cable.
Preferably, both ends of the abutting block are rotatably connected with the first rotating shaft and the second rotating shaft through folding plates.
Preferably, the first clamping arm and the second clamping arm are provided with rubber pads on inner end faces for clamping the cable.
Preferably, grooves are formed in inner end faces, used for clamping cables, of the first clamping arm and the second clamping arm.
According to the technical scheme, the application provides a 10kV distribution network cable wiring subassembly includes: the sleeve and the cable fixing structure; an installation cavity is arranged in the sleeve; the cable fixing structure is arranged in the mounting cavity; the cable fixing structure includes: the clamping device comprises a jacking block, a first rotating shaft, a second rotating shaft, a first clamping arm and a second clamping arm; two ends of the abutting block are respectively and rotatably connected with the first end of the first rotating shaft and the first end of the second rotating shaft; the second end of the first rotating shaft is rotatably connected with the cavity wall of the mounting cavity; the second end of the second rotating shaft is rotatably connected with the cavity wall of the mounting cavity; the end part of the first clamping arm is rotatably connected with the cavity wall of the mounting cavity, is in transmission connection with the first rotating shaft and is used for rotating along with the first rotating shaft in the same rotating direction; the end part of the second clamping arm is rotatably connected with the wall of the mounting cavity, is in transmission connection with the second rotating shaft and is used for rotating along with the second rotating shaft in the same rotating direction. Through set up the top piece at set intraductal, the top piece is packed into at the cable behind the installation cavity, promote by the cable and move toward keeping away from the cable direction, and then pass through first axis of rotation and second axis of rotation drive first arm lock and second arm lock toward being close to the cable direction and rotating, make first arm lock and second arm lock press from both sides tight cable to play limiting displacement to the cable through first arm lock and second arm lock, effectively solve current cable tie point because the cable rocks, the problem that the time is long easily not hard up.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic overall structure diagram of a cable connection assembly of a 10kV power distribution network provided in an embodiment of the present application;
fig. 2 is a schematic view of a cable fixing structure of a cable connection assembly of a 10kV power distribution network provided in an embodiment of the present application;
fig. 3 is a schematic view of an arc-shaped clamping plate of a cable connection assembly of a 10kV power distribution network provided in an embodiment of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 1 according to an exemplary embodiment of the present disclosure;
fig. 5 is an enlarged view of a first clamping arm of a cable connection assembly of a 10kV power distribution network provided in an embodiment of the present application.
In the figure: 1. a sleeve; 101. a mounting cavity; 2. a butting block; 21. a balloon lumen; 22. a negative pressure valve; 23. a protrusion; 24. a concave cavity; 3. a first rotating shaft; 4. a second rotating shaft; 5. a first clamp arm; 6. a second clamp arm; 7. folding the board; 8. a shaft lever; 81. a groove; 9. an arc-shaped clamping plate; 91. a convex ring; 10. a connecting rod; 11. a clamping block; 111. hanging the plate; 12. and (4) a groove.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection claimed herein.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses 10kV distribution network cable wiring subassembly.
Referring to fig. 1, a 10kV distribution network cable connection assembly includes: the sleeve 1 and the cable fixing structure; the casing 1 is provided with a mounting cavity 101 therein.
Cable fixed knot constructs and sets up in installation cavity 101, including: the clamping device comprises a jacking block 2, a first rotating shaft 3, a second rotating shaft 4, a first clamping arm 5 and a second clamping arm 6; two ends of the abutting block 2 are respectively and rotatably connected with a first end of the first rotating shaft 3 and a first end of the second rotating shaft 4; the second end of the first rotating shaft 3 is rotatably connected with the cavity wall of the installation cavity 101; the second end of the second rotating shaft 4 is rotatably connected to the wall of the installation chamber 101.
Referring to fig. 1, in the present embodiment, the first rotating shaft 3 and the second rotating shaft 4 are horizontally disposed at the top of the installation cavity 101, and after the cable is installed in the installation cavity 101, the top connection block 2 is pushed by the cable to move upward. In practical application, first axis of rotation 3 and second axis of rotation 4 also can be the level and set up in the bottom or other positions of installation cavity 101, specifically make the cable pack into installation cavity 101 after, top connection piece 2 can with cable butt after push by the cable can, do not do the restriction.
The end part of the first clamping arm 5 is rotatably connected with the cavity wall of the mounting cavity 101, is in transmission connection with the first rotating shaft 3 and is used for rotating along with the first rotating shaft 3 in the same direction; the end part of the second clamping arm 6 is rotatably connected with the cavity wall of the installation cavity 101, is in transmission connection with the second rotating shaft 4 and is used for rotating along with the second rotating shaft 4 in the same rotating direction.
Specifically, the first clamping arm 5 rotates along with the first rotating shaft 3 and turns the same, and the second clamping arm 6 rotates along with the second rotating shaft 4 and turns the same. In this embodiment, when the top joint block 2 is pushed by the cable to move upwards, the first rotating shaft 3 rotates counterclockwise, and the second rotating shaft 4 rotates clockwise, so that the first clamping arm 5 and the second clamping arm 6 move towards each other to clamp the cable.
As a further improvement, when the jacking block 2 is pushed by the cable to move towards the direction far away from the cable, the first clamping arms 5 are in contact with the cable before the second clamping arms 6.
Particularly, there is the precedence order in the action of first arm lock 5 and the 6 centre gripping cables of second arm lock, and in this embodiment, first arm lock 5 is earlier than the 6 centre gripping cables of second arm lock for when being held the cable earlier by first arm lock 5 promote then by the 6 centre gripping of second arm lock, when having avoided first arm lock 5 and the 6 simultaneous motions centre gripping cables of second arm lock, the cable both sides receive the clamping-force that first arm lock 5 and second arm lock 6 equal simultaneously and further to 2 direction offsets of butt joint piece and cause the spacing incomplete condition of cable.
It should be noted that, there may be various manners for enabling the first clamping arm 5 and the second clamping arm 6 to have the sequence of movement, for example, the manners may be such that the first rotating shaft 3 is in gear transmission connection with the first clamping arm 5, the second rotating shaft 4 is in gear transmission connection with the second clamping arm 6, and gear transmission ratios of the two are different; the lengths of the first rotating shaft 3 and the second rotating shaft 4 are different, and the swinging amplitudes of the first rotating shaft 3 and the second rotating shaft 4 are different in the moving process of the butting block 2; the shape of the first clamping arm 5 and the shape of the second clamping arm 6 can be fixed, so that the basic cables of the first clamping arm and the second clamping arm are different in sequence.
Referring to fig. 2 and fig. 3, in the present embodiment, the following method is adopted: the first clamping arm 5 is coaxially connected with the first rotating shaft 3 in a transmission way and is arranged on the same shaft lever 8; the second clamping arm 6 is coaxially connected with the second rotating shaft 4 in a transmission way and is also arranged on the same shaft lever 8. The end part of the first rotating shaft 3 is provided with a first lug for pushing the first clamping arm 5, and the end part of the second rotating shaft 4 is provided with a second lug for pushing the second clamping arm 6.
Particularly, the tip that first axis of rotation 3 and second axis of rotation 4 are connected with axostylus axostyle 8 all is provided with arc cardboard 9, connects axostylus axostyle 8 through arc cardboard 9. The two arc-shaped clamping plates 8 are provided with annular convex rings 91, namely a first convex block and a second convex block. The shaft 8 is provided with an annular groove 81 which cooperates with the collar 91. First arm lock 5 and second arm lock 6 all pass through connecting rod 10 rotatable setting on axostylus axostyle 8, when bulge loop 91 moved to contact connecting rod 10 along recess 81, then can promote corresponding arm lock and move.
In this embodiment, the length of the first protrusion is 2-5 cm longer than that of the second protrusion, that is, the length of the protruding ring 91 disposed on the first rotating shaft 3 is longer than that of the protruding ring 91 disposed on the second rotating shaft 4, so that under the condition that the rotating amplitudes of the first rotating shaft 3 and the second rotating shaft 4 are the same, the first protrusion will abut against the connecting rod 10 before the second protrusion, and thus the first clamping arm 5 will rotate before the second clamping arm 6, so as to achieve the technical effect that the transmission of the first clamping arm 5 and the second clamping arm 6 has a sequential order.
The first clamping arm and the second clamping arm are symmetrically arranged in position, and when the first rotating shaft and the second rotating shaft are symmetrically arranged in position, the distance between the first lug and the first clamping arm is smaller than that between the second lug and the second clamping arm.
Further, referring to fig. 4, a clamping head 11 is arranged in the installation cavity 101; the clamping head 11 is used for clamping and connecting with the abutting block 2 after the cable is installed in the installation cavity 101, so that the abutting block 2 is fixed, and the first rotating shaft 3 and the second rotating shaft 4 can clamp the cable.
Furthermore, a plurality of hanging plates 111 are arranged on the clamping joint 11; the hanging plate 111 is inclined at an angle of 15-45 degrees relative to the vertical plane. One end of the abutting block 2 facing the clamping joint 11 is provided with a cavity 24 for placing the clamping joint 11; the cavity wall of the concave cavity 24 is provided with a plurality of air bag cavities 21 corresponding to the hanging plates 111; after the clamping connector 11 is connected with the top connecting block 2, the hanging plate 111 is hermetically connected with the corresponding air bag cavity 21.
Specifically, the air bag cavity 21 plays a role in adsorption and is used for adsorbing the hanging plate 111 after the jacking block 2 is connected with the clamping joint 11. The sealing and adsorbing connection between the two can be realized by arranging an elastic rubber sealing ring at the end edge of the air bag cavity 21.
Further, the air bag cavities 21 are communicated with each other; a negative pressure valve 22 is arranged in the concave cavity 24; the negative pressure valve 22 is used for adjusting the air pressure of the airbag cavity 21 after the hanging plate 11 is hermetically connected with the airbag cavity 21, so that the airbag cavity 21 can better adsorb the hanging plate 111.
When the cable needs to be pulled out of the installation cavity 101, the air pressure of the air bag cavity 21 is increased through the negative pressure valve 22, so that the air bag cavity 21 is separated from the hanging plate 111.
Further, the end of the abutment block 2 is provided with a projection 23 for abutting the cable.
Further, both ends of the butting block 2 are rotatably connected with the first rotating shaft 3 and the second rotating shaft 4 through folding plates 7.
Specifically, the folding plate 7 is wavy, and the fluctuation degree of the folding plate can be adjusted, so that the position of the abutting block 2 in the installation cavity can be adjusted; meanwhile, the folding plate 7 has a stretching effect and can be matched with the jacking block 2 to move and stretch, so that the cable can be better attached.
Furthermore, the inner end faces, used for clamping the cable, of the first clamping arm 5 and the second clamping arm 6 are provided with rubber pads, so that the effect of increasing friction force can be achieved.
Further, the inner end faces of the first clamping arm 5 and the second clamping arm 6 for clamping the cable are provided with grooves 12. Referring to fig. 5, the plurality of grooves 12 are provided to increase the clamping effect on the cable.
The application provides a 10kV distribution network cable wiring subassembly in the use, inside cable embedding sleeve 1, 2 rebound of top that the extrusion arch 23 is to the cover inlay on joint 11, and the link plate 11 and the gasbag chamber 21 sealing connection of joint 11 both sides turn down the atmospheric pressure in the gasbag chamber 21 through negative pressure valve 22, and top connects 2 and 11 inseparable adsorption connection of joint. In the upward movement process of the top connection block 2, the folding plate 7 drives the first rotating shaft 3 and the second rotating shaft 4 to rotate, and the upper end of the cable is abutted and limited. The first rotating shaft 3 and the second rotating shaft 4 further drive the first clamping arm 5 and the second clamping arm 6 to clamp the cable in sequence.
Although the present invention has been described in detail with reference to examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. A10 kV distribution network cable junction assembly, comprising: the sleeve and the cable fixing structure;
an installation cavity is arranged in the sleeve;
the cable fixing structure is arranged in the mounting cavity;
the cable fixing structure includes: the clamping device comprises a jacking block, a first rotating shaft, a second rotating shaft, a first clamping arm and a second clamping arm;
two ends of the abutting block are respectively and rotatably connected with the first end of the first rotating shaft and the first end of the second rotating shaft;
the second end of the first rotating shaft is rotatably connected with the cavity wall of the mounting cavity;
the second end of the second rotating shaft is rotatably connected with the cavity wall of the mounting cavity;
the end part of the first clamping arm is rotatably connected with the cavity wall of the mounting cavity, is in transmission connection with the first rotating shaft and is used for rotating along with the first rotating shaft in the same rotating direction;
the end part of the second clamping arm is rotatably connected with the cavity wall of the mounting cavity, is in transmission connection with the second rotating shaft and is used for rotating along with the second rotating shaft in the same rotating direction;
the jacking block is used for being installed in the cable after the installation cavity, is pushed by the cable to move towards the direction of keeping away from the cable, and then passes through first rotating shaft and second rotating shaft drive first arm lock and second arm lock rotate towards being close to the cable direction, make first arm lock and second arm lock press from both sides tight cable.
2. The 10kV power distribution network cable connection assembly of claim 1, wherein when the top connection block is pushed by a cable to move away from the cable, the first clamping arms abut against the cable before the second clamping arms.
3. The 10kV power distribution network cable connection assembly of claim 2, wherein the first clamp arm is in coaxial drive connection with the first rotating shaft;
the second clamping arm is coaxially connected with the second rotating shaft in a transmission manner;
a first lug used for pushing the first clamping arm is arranged at the end part of the first rotating shaft;
a second lug used for pushing the second clamping arm is arranged at the end part of the second rotating shaft;
the first clamping arm and the second clamping arm are symmetrically arranged in position;
the first rotating shaft and the second rotating shaft are symmetrically arranged in position;
the distance between the first lug and the first clamping arm is smaller than the distance between the second lug and the second clamping arm.
4. The 10kV power distribution network cable connection assembly of claim 1, wherein a snap connector is arranged in the mounting cavity;
the clamping connector is used for being in clamping connection with the top connecting block after the cable is installed in the installation cavity.
5. The 10kV power distribution network cable connection assembly according to claim 4, wherein a plurality of hanging plates are arranged on the clamping joint;
one end of the top connecting block facing the clamping head is provided with a concave cavity for placing the clamping head;
the cavity wall of the concave cavity is provided with a plurality of air bag cavities corresponding to the hanging plates;
after the clamping joint is connected with the jacking block, the hanging plate is connected with the corresponding air bag cavity in a sealing manner.
6. The 10kV power distribution network cable connection assembly of claim 5, wherein the air bag cavities are communicated with each other;
a negative pressure valve is arranged in the concave cavity;
the negative pressure valve is used for adjusting the air pressure of the air bag cavity after the hanging plate is hermetically connected with the air bag cavity.
7. The 10kV power distribution network cable connection assembly of claim 1, wherein an end of the butting block is provided with a projection for butting against a cable.
8. The 10kV distribution network cable connection assembly of claim 1, wherein both ends of the butting block rotatably connect the first rotating shaft and the second rotating shaft through a folding plate.
9. The 10kV power distribution network cable connection assembly according to claim 1, wherein inner end faces, used for clamping cables, of the first clamping arm and the second clamping arm are provided with rubber pads.
10. The 10kV power distribution network cable connection assembly according to claim 1, wherein the inner end faces of the first clamping arms and the second clamping arms for clamping cables are provided with grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644913.7A CN113241721B (en) | 2021-06-09 | 2021-06-09 | 10kV distribution network cable wiring subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644913.7A CN113241721B (en) | 2021-06-09 | 2021-06-09 | 10kV distribution network cable wiring subassembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113241721A CN113241721A (en) | 2021-08-10 |
| CN113241721B true CN113241721B (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110644913.7A Active CN113241721B (en) | 2021-06-09 | 2021-06-09 | 10kV distribution network cable wiring subassembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN113241721B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7544105B2 (en) * | 2005-08-23 | 2009-06-09 | Utilx Corporation | Cable and cable connection assembly |
| CN108879188A (en) * | 2018-07-11 | 2018-11-23 | 合肥达户电线电缆科技有限公司 | A kind of fast connector convenient for being broken cable connection |
| KR101985475B1 (en) * | 2018-12-28 | 2019-06-03 | (주)해안종합건축사사무소 | Conduit Fixing Device for Cable Tray |
| CN209844461U (en) * | 2019-05-09 | 2019-12-24 | 杭州同联电力电子科技有限公司 | Be arranged in cable duct reducing sealing device that can superpose |
| CN213212987U (en) * | 2020-09-21 | 2021-05-14 | 湖南华菱涟源钢铁有限公司 | Cable installation device |
| CN112332325B (en) * | 2020-11-25 | 2021-12-17 | 玫德集团临沂有限公司 | Splicing sleeve mounting device capable of being additionally provided with protective sleeve |
| CN112653073A (en) * | 2021-01-18 | 2021-04-13 | 王刚 | Power cable connector and connecting method thereof |
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2021
- 2021-06-09 CN CN202110644913.7A patent/CN113241721B/en active Active
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| CN113241721A (en) | 2021-08-10 |
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