CN111585242B - Full-cold-shrinkage cable terminal - Google Patents
Full-cold-shrinkage cable terminal Download PDFInfo
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- CN111585242B CN111585242B CN201910124279.7A CN201910124279A CN111585242B CN 111585242 B CN111585242 B CN 111585242B CN 201910124279 A CN201910124279 A CN 201910124279A CN 111585242 B CN111585242 B CN 111585242B
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- positioning
- plate
- telescopic rod
- terminal main
- terminal
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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
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
Abstract
The invention discloses a full-cold-shrinkage cable terminal, and particularly relates to the field of power cable equipment. According to the invention, the positioning framework and the positioning device are arranged, the terminal main body of the manufactured cable terminal rubber part is pre-expanded in an elastic range by utilizing the advantage characteristic of elastic memory of rubber before use, the terminal main body is sleeved in the plastic supporting framework, the positioning device is connected with the plug board and then arranged in the positioning seat, the first telescopic rod and the clinging board are deeply inserted into the inner side of the supporting framework, the supporting framework is supported by the inner part, the shape of the supporting framework is ensured not to be easily changed, the cable terminal rubber part can be quickly contracted and tightly held on a cable only by pulling out the plastic supporting framework during installation, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of power cable equipment, in particular to a full-cold-shrinkage cable terminal.
Background
Since the new century, the electric power construction in China is developed vigorously, and the electric power demand is rising continuously. The demand of power cables in various fields of metallurgy, construction, petrochemical industry, agriculture, daily life, and the like is continuously increasing, and at the same time, the demand of accessory products of cables is also increasing in a synchronous manner. Particularly, the cable terminal in the cable accessory can be connected with electrical equipment such as a power transformer and a distribution box, is widely applied and plays a key role in the connection working process of power cables.
At present, a plurality of tools are generally needed in the installation process of the cable terminal, the process is complex, particularly when the field installation condition is poor, such as in a tunnel, at high altitude and the like, the connection of a power cable is difficult, huge burden is brought to workers performing field installation operation, time and labor are wasted, and the installation effect is not ideal.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a full-cold-shrinkage cable terminal, which is provided with a positioning framework and a positioning device, and utilizes the advantage of rubber "elastic memory" before use to pre-open a terminal main body of a manufactured cable terminal rubber piece in an elastic range, and then the terminal main body is sleeved into a plastic supporting framework, and after a positioning device is connected with a plug board in a positioning seat, a first telescopic rod and a clinging board are inserted into the inner side of the supporting framework, so as to play a role of supporting the supporting framework from the inside, thereby ensuring that the shape of the supporting framework cannot be easily changed.
In order to achieve the purpose, the invention provides the following technical scheme: a full-cold-shrinkage cable terminal comprises a terminal main body, wherein a stress cone is arranged in the terminal main body, umbrella skirts are arranged on the left side and the right side of the terminal main body, a positioning framework is arranged on the inner side of the stress cone and comprises a positioning sleeve ring, a sealing ring and a protruding block, positioning devices are arranged on the left side and the right side of the positioning framework and comprise positioning seats, connecting holes, inserting plates, first telescopic rods, supporting plates and tightening plates, a sealing block is arranged on the outer side of the umbrella skirts, and a connecting device is arranged on the outer side of the sealing block;
the connecting device comprises a connecting plate, a threaded column, a second telescopic rod, a pressing plate and a sticking block, the connecting plate is arranged on the outer side of the sealing block, the threaded column is arranged on the inner side of the connecting plate and is in threaded connection with the sealing block, the second telescopic rod is fixedly arranged on the inner side of the connecting plate, one end, away from the connecting plate, of the second telescopic rod is connected with the pressing plate, and the sticking block is arranged on one side, away from the connecting plate, of the pressing plate;
the positioning seat is arranged on the outer side of the umbrella skirt in the left-right direction, connecting holes are uniformly formed in the inner wall, close to the umbrella skirt, of the positioning seat in the left-right direction, an inserting plate is arranged on one side, close to the umbrella skirt, of the positioning seat in the left-right direction, an inserting rod matched with the connecting holes is arranged on one side, close to the positioning seat, of the inserting plate, a first telescopic rod is arranged on the other side of the inserting plate, a supporting plate extending perpendicular to the first telescopic rod is arranged on one side, far away from the inserting plate, of the first telescopic rod, the supporting plate is in threaded connection with the first telescopic rod, and a;
when the cable is used, the terminal main body is pre-opened and sleeved into the positioning framework, the first telescopic rod and the clinging plate are deeply inserted into the inner side of the positioning framework to support the positioning framework from the inside, and when the cable is installed, the positioning framework is pulled out, and the terminal main body is contracted and tightly held on the cable; the positioning framework is sleeved outside the terminal main body and connected to the sealing block through the threaded columns, the length of the second telescopic rod is adjusted to enable the pressing plate to compress the positioning framework, and the positioning framework is adhered through the adhering block.
In a preferred embodiment, the terminal body, the stress cone and the umbrella skirt are all made of silicone rubber materials, the terminal body, the stress cone and the umbrella skirt are integrally arranged, and a connecting head is arranged between the umbrella skirt and the terminal body.
In a preferred embodiment, the positioning framework is arranged inside the stress cone and is spliced with the terminal main body and the stress cone, the outer side of the positioning sleeve ring is provided with a sealing ring in a surrounding manner, the outer side surface of the sealing ring is uniformly provided with convex blocks, and the positioning sleeve ring, the sealing ring and the convex blocks are integrally arranged.
In a preferred embodiment, the sealing blocks are disposed outside and fixedly connected to the skirt and the terminal body, and the sealing blocks are disposed on the top side and the bottom side of the terminal body, respectively.
The invention has the technical effects and advantages that:
1. according to the invention, by arranging the positioning framework and the positioning device, the terminal main body of the manufactured cable terminal rubber part is pre-expanded in an elastic range by utilizing the advantage characteristic of elastic memory of rubber before use, is sleeved in the plastic supporting framework, and after the positioning device is connected with the plug board in the positioning seat, the first telescopic rod and the clinging board are deeply inserted into the inner side of the supporting framework to play a role of supporting the supporting framework from the inside, so that the shape of the supporting framework is ensured not to be easily changed;
2. through being equipped with connecting device and location skeleton, after cable termination rubber spare cladding is on the cable, the terminal main part diminishes, overlaps the location skeleton in the terminal main part outside to through threaded column connection on sealed piece, adjust the length of second telescopic link and make the clamp plate compress tightly the location skeleton, and through pasting the piece and pasting banning the location skeleton, can improve the effect of location protection by the outside to the terminal main part, the lug can play the effect of protection against insects mouse in the outside simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a positioning frame according to the present invention;
FIG. 3 is a schematic view of a positioning device according to the present invention;
FIG. 4 is a schematic view of the connecting device of the present invention;
the reference signs are: the terminal comprises a terminal main body 1, a stress cone 2, a shed 3, a connector 31, a positioning framework 4, a positioning lantern ring 41, a sealing ring 42, a convex block 43, a positioning device 5, a positioning seat 51, a connecting hole 52, a plug board 53, a first telescopic rod 54, a supporting board 55, a sticking board 56, a sealing block 6, a connecting device 7, a connecting board 71, a threaded column 72, a second telescopic rod 73, a pressing board 74 and a sticking block 75.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 protection scope of the present invention.
The first embodiment is as follows:
the invention provides a full-cold-shrinkage cable terminal as shown in fig. 1-4, which comprises a terminal main body 1, wherein a stress cone 2 is arranged inside the terminal main body 1, umbrella skirts 3 are arranged on the left side and the right side of the terminal main body 1, a positioning framework 4 is arranged on the inner side of the stress cone 2, the positioning framework 4 comprises a positioning lantern ring 41, a sealing ring 42 and a convex block 43, positioning devices 5 are arranged on the left side and the right side of the positioning framework 4, each positioning device 5 comprises a positioning seat 51, a connecting hole 52, an inserting plate 53, a first telescopic rod 54, a supporting plate 55 and a tightening plate 56, a sealing block 6 is arranged on the outer side of the umbrella skirt 3, and a connecting device 7 is arranged on the outer side.
Further, the terminal main body 1, the stress cone 2 and the umbrella skirt 3 are all made of silicon rubber materials, the terminal main body 1, the stress cone 2 and the umbrella skirt 3 are integrally arranged, a connector 31 is arranged between the umbrella skirt 3 and the terminal main body 1, and silicon rubber has the characteristics of good dirt resistance, strong aging resistance, good hydrophobic property and strong cold resistance, so that the cable terminal provided by the invention is suitable for high-altitude areas, humid areas, cold areas, salt fog areas, heavily-polluted areas and the like, and is particularly suitable for flammable and explosive industries such as petroleum, chemical engineering, mines and the like.
Further, location skeleton 4 sets up in stress cone 2 inside and pegs graft with terminal body 1 and stress cone 2, the outside of position lantern ring 41 is around being equipped with sealing washer 42, sealing washer 42 outside surface evenly is equipped with lug 43, position lantern ring 41, sealing washer 42 and lug 43 set up for the integration.
The beneficial effects of the embodiment are that: utilize rubber "elasticity memory" superiority characteristic before the use, the terminal main part 1 of the cable terminal rubber spare that will make struts in advance in the elasticity scope, embolia plastics supporting framework 4, and connect picture peg 53 by positioner 5 in positioning seat 51 back, go deep supporting framework 4 inboard with first telescopic link 54 and hug closely board 56, play the effect of support by inside to supporting framework, ensure that supporting framework's shape can not change easily, during the installation, only need take out plastics supporting framework, cable terminal rubber spare will contract rapidly and hug closely on the cable, easy operation is convenient.
Example two:
further, the positioning seat 51 sets up in the outside of full skirt 3 on the left and right sides orientation, the inner wall that positioning seat 51 is close to full skirt 3 on the left and right sides orientation evenly is equipped with connecting hole 52, one side that positioning seat 51 is close to full skirt 3 on the left and right sides orientation is equipped with picture peg 53, one side that is close to positioning seat 51 of picture peg 53 is equipped with the inserted bar with connecting hole 52 assorted, the opposite side of picture peg 53 is equipped with first telescopic link 54, one side of keeping away from picture peg 53 of first telescopic link 54 is equipped with the backup pad 55 that the first telescopic link 54 of perpendicular to extends, backup pad 55 and first telescopic link 54 threaded connection, backup pad 55 is fixed in its extending direction's the outside and is equipped with and pastes tight board 56.
Further, sealed piece 6 sets up in the umbrella skirt 3 and the 1 outside of terminal main part and with umbrella skirt 3 and 1 fixed connection of terminal main part, sealed piece 6 sets up respectively in 1 top one side of terminal main part and bottom one side, and each connection position at cable terminal adopts special sealed glue to bond sealedly, and the inside and the atmospheric environment at whole cable terminal are isolated, have avoided the operation accident that environmental problem caused.
Further, the connecting device 7 comprises a connecting plate 71, a threaded column 72, a second telescopic rod 73, a pressing plate 74 and a sticking block 75, the connecting plate 71 is arranged on the outer side of the sealing block 6, the threaded column 72 is arranged on the inner side of the connecting plate 71, the threaded column 72 is in threaded connection with the sealing block 6, the second telescopic rod 73 is further fixedly arranged on the inner side of the connecting plate 71, one end, far away from the connecting plate 71, of the second telescopic rod 73 is connected with the pressing plate 74, and the sticking block 75 is arranged on one side, far away from the connecting plate 71, of the pressing plate 74;
when the terminal is used, the terminal main body 1 is pre-opened and sleeved into the positioning framework 4, the first telescopic rod 54 and the clinging plate 56 are deeply inserted into the inner side of the positioning framework 4 to support the positioning framework 4 from the inside, the positioning framework 4 is pulled out during installation, and the terminal main body 1 is contracted and clasped on a cable; the positioning framework 4 is sleeved outside the terminal main body 1 and connected to the sealing block 6 through the threaded column 72, the length of the second telescopic rod 73 is adjusted to enable the pressing plate 74 to press the positioning framework 4 tightly, and the positioning framework 4 is adhered tightly through the adhering block 75.
The beneficial effects of the embodiment are that: after cable termination rubber spare cladding is on the cable, terminal main part 1 diminishes, overlaps location skeleton 4 in the 1 outside of terminal main part, and connect on sealed piece 6 through screw thread post 72, adjust the length of second telescopic link 73 and make clamp plate 74 compress tightly location skeleton 4, and through pasting piece 73 and pasting banning location skeleton 4, can improve the effect of location protection by the outside to terminal main part 1, lug 43 can play the effect of protection against insects mouse in the outside simultaneously.
The working principle of the invention is as follows:
referring to the description figures 1, 2 and 3: before use, the terminal main body 1 of the manufactured cable terminal rubber part is pre-opened in an elastic range by utilizing the advantage characteristic of rubber 'elastic memory', is sleeved in the plastic supporting framework 4, and after the positioning device 5 is connected with the inserting plate 53 in the positioning seat 51, the first telescopic rod 54 and the clinging plate 56 are deeply inserted into the inner side of the supporting framework 4 to play a role of supporting the supporting framework from the inside, so that the shape of the supporting framework is ensured not to be easily changed;
referring to the description figures 1, 2 and 4: after cable termination rubber spare cladding is on the cable, terminal main part 1 diminishes, overlaps location skeleton 4 in the 1 outside of terminal main part, and connect on sealed piece 6 through screw thread post 72, adjust the length of second telescopic link 73 and make clamp plate 74 compress tightly location skeleton 4, and through pasting piece 73 and pasting banning location skeleton 4, can improve the effect of location protection by the outside to terminal main part 1, lug 43 can play the effect of protection against insects mouse in the outside simultaneously.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. A full-cold-shrink cable termination, comprising a termination body (1), characterized in that: the terminal comprises a terminal main body (1), wherein a stress cone (2) is arranged in the terminal main body (1), umbrella skirts (3) are arranged on the left side and the right side of the terminal main body (1), a positioning framework (4) is arranged on the inner side of the stress cone (2), the positioning framework (4) comprises a positioning sleeve ring (41), a sealing ring (42) and a convex block (43), positioning devices (5) are arranged on the left side and the right side of the positioning framework (4), each positioning device (5) comprises a positioning seat (51), a connecting hole (52), an inserting plate (53), a first telescopic rod (54), a supporting plate (55) and a tightening plate (56), a sealing block (6) is arranged on the outer side of each umbrella skirt (3), and a connecting device (7);
the connecting device (7) comprises a connecting plate (71), a threaded column (72), a second telescopic rod (73), a pressing plate (74) and a sticking block (75), the connecting plate (71) is arranged on the outer side of the sealing block (6), the threaded column (72) is arranged on the inner side of the connecting plate (71), the threaded column (72) is in threaded connection with the sealing block (6), the second telescopic rod (73) is further fixedly arranged on the inner side of the connecting plate (71), the pressing plate (74) is connected to one end, far away from the connecting plate (71), of the second telescopic rod (73), and the sticking block (75) is arranged on one side, far away from the connecting plate (71), of the pressing plate (74);
the positioning seat (51) is arranged on the outer side of the umbrella skirt (3) in the left-right direction, connecting holes (52) are uniformly formed in the inner wall, close to the umbrella skirt (3), of the positioning seat (51) in the left-right direction, an inserting plate (53) is arranged on one side, close to the umbrella skirt (3), of the positioning seat (51), an inserting rod matched with the connecting holes (52) is arranged on one side, close to the positioning seat (53), of the inserting plate (53), a first telescopic rod (54) is arranged on the other side of the inserting plate (53), a supporting plate (55) extending perpendicular to the first telescopic rod (54) is arranged on one side, far away from the inserting plate (53), of the first telescopic rod (54), the supporting plate (55) is in threaded connection with the first telescopic rod (54), and a clinging plate (56) is fixedly arranged on the outer side, in the;
when the terminal is used, the terminal main body (1) is pre-opened and sleeved into the positioning framework (4), the first telescopic rod (54) and the clinging plate (56) are deeply inserted into the inner side of the positioning framework (4) to support the positioning framework (4) from the inside, the positioning framework (4) is taken out during installation, and the terminal main body (1) is contracted and clasped on a cable; the positioning framework (4) is sleeved on the outer side of the terminal main body (1) and connected to the sealing block (6) through the threaded column (72), the length of the second telescopic rod (73) is adjusted to enable the pressing plate (74) to press the positioning framework (4), and the positioning framework (4) is adhered tightly through the adhering block (75).
2. A full-cooled cable termination according to claim 1, wherein: terminal main part (1), stress cone (2) and full skirt (3) are made by the silicon rubber material, terminal main part (1), stress cone (2) and full skirt (3) set up as an organic whole, be equipped with between full skirt (3) and terminal main part (1) connector (31).
3. A full-cooled cable termination according to claim 1, wherein: location skeleton (4) set up in stress cone (2) inside and peg graft with terminal main part (1) and stress cone (2), the position sleeve ring (41) outside is around being equipped with sealing washer (42), sealing washer (42) outside surface evenly is equipped with lug (43), position sleeve ring (41), sealing washer (42) and lug (43) set up for the integration.
4. A full-cooled cable termination according to claim 1, wherein: sealed piece (6) set up in the full skirt (3) and terminal body (1) outside and with full skirt (3) and terminal body (1) fixed connection, sealed piece (6) set up respectively in terminal body (1) top one side and bottom one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124279.7A CN111585242B (en) | 2019-02-19 | 2019-02-19 | Full-cold-shrinkage cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124279.7A CN111585242B (en) | 2019-02-19 | 2019-02-19 | Full-cold-shrinkage cable terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111585242A CN111585242A (en) | 2020-08-25 |
| CN111585242B true CN111585242B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910124279.7A Active CN111585242B (en) | 2019-02-19 | 2019-02-19 | Full-cold-shrinkage cable terminal |
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| Country | Link |
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| CN (1) | CN111585242B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5098752A (en) * | 1990-04-17 | 1992-03-24 | Raychem Corporation | Recoverable elastomeric sleeve and method for installation and use |
| CN206834695U (en) * | 2017-06-23 | 2018-01-02 | 苏州九维电气制造有限公司 | Cold shrinking power cable adjunct |
| CN206977011U (en) * | 2017-06-16 | 2018-02-06 | 安徽省浩辉电力技术有限公司 | A kind of predilation shrink cable termination |
| CN107834495A (en) * | 2017-11-21 | 2018-03-23 | 安徽伊法拉电气有限公司 | A kind of 10KV cables cooling terminal of convenience in transport |
| CN108448507A (en) * | 2018-04-26 | 2018-08-24 | 黄山全晟密封科技有限公司 | A kind of rubber automobile harness pipe of antistatic |
-
2019
- 2019-02-19 CN CN201910124279.7A patent/CN111585242B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5098752A (en) * | 1990-04-17 | 1992-03-24 | Raychem Corporation | Recoverable elastomeric sleeve and method for installation and use |
| CN206977011U (en) * | 2017-06-16 | 2018-02-06 | 安徽省浩辉电力技术有限公司 | A kind of predilation shrink cable termination |
| CN206834695U (en) * | 2017-06-23 | 2018-01-02 | 苏州九维电气制造有限公司 | Cold shrinking power cable adjunct |
| CN107834495A (en) * | 2017-11-21 | 2018-03-23 | 安徽伊法拉电气有限公司 | A kind of 10KV cables cooling terminal of convenience in transport |
| CN108448507A (en) * | 2018-04-26 | 2018-08-24 | 黄山全晟密封科技有限公司 | A kind of rubber automobile harness pipe of antistatic |
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| Publication number | Publication date |
|---|---|
| CN111585242A (en) | 2020-08-25 |
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Address after: 230094 no.02618, huolongdi Road, high tech Zone, Hefei City, Anhui Province Applicant after: Anhui Haohui Electric Power Co.,Ltd. Address before: 230094 no.02618, huolongdi Road, high tech Zone, Hefei City, Anhui Province Applicant before: ANHUI HAOHUI ELECTRIC POWER TECHNOLOGY Co.,Ltd. |