CN110474284B - Three-core cable terminal shaping device - Google Patents
Three-core cable terminal shaping device Download PDFInfo
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- CN110474284B CN110474284B CN201910844689.9A CN201910844689A CN110474284B CN 110474284 B CN110474284 B CN 110474284B CN 201910844689 A CN201910844689 A CN 201910844689A CN 110474284 B CN110474284 B CN 110474284B
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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
- H02G15/076—Cable terminating boxes, frames or other structures for multi-conductor cables
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Abstract
The invention discloses a three-core cable terminal shaping device which forms a protective clothing surrounding the outer side of a core wire through a shaping frame and forms a supporting and fixing shaping device for the core wire, and is characterized in that a limiting ring is sleeved on a fixing terminal, the fixing terminal is of a circular tubular structure, the outer diameter of a part of a circular tube below the limiting ring is gradually reduced from top to bottom, a plurality of contraction joints are arranged on the fixing terminal at equal angles and are positioned below the limiting ring, a three-fork support frame is arranged in one end of the fixing terminal and is positioned above the limiting ring, three threading holes are arranged at equal angles on the three-fork support frame, the threading holes are sector holes, a guide tube is arranged in the middle position of the three-fork support frame, the guide tube penetrates through the three-fork support frame, a sealing rubber sleeve is fixedly arranged in the fixing terminal through a fastening screw sleeve, the fastening screw sleeve is sleeved on the outer side surface of the fixing terminal, the inner diameter of the fastening screw sleeve is gradually reduced from top to bottom.
Description
Technical Field
The invention discloses a three-core cable terminal shaping device, relates to a device for shaping and supporting three core wires in a three-core cable, and belongs to the field of power equipment. In particular to a shaping device which surrounds the core wire through a shaping frame to form protective clothing outside the core wire and supports and fixes the core wire.
Background
At present, the adopted three-core power cable is characterized in that each conducting wire is insulated from each other, an insulating layer is wrapped on the outer side of the cable, the tightness degree of a connecting part is different due to the difference of the length angles between phases of the cable and phases of the cable, and in order to ensure the stability of a cable terminal, the shaping support of the three-core cable is necessary, at present, when the three-core cable is shaped, a cable joint is exposed, the core wire has poor supporting performance, is easy to loosen and fall off, and influences power transmission, and the core wire on the cable is easy to fall off to cause a short circuit condition, the publication No. CN110086011A discloses a three-core cable terminal shaping device which structurally comprises a terminal, a connecting ring, a cable and a cable connector, wherein the cable is connected with the connecting ring, the connecting ring is fixedly arranged on the terminal, the terminal is electrically connected with the cable through, the device has poor support to the core wire and lacks a fixed structure.
The publication number CN109286098A discloses a three-core cable terminal shaping device and a use method thereof, the three-core cable terminal shaping device comprises a front side plate, a rear side plate, a left pulley, a left middle pulley, a right middle pulley and a right pulley, wherein a left wheel front plate hole, a left middle wheel front plate hole, a right middle wheel front plate hole and a right wheel front plate hole are sequentially arranged at the left part, the left middle part, the right middle part and the right part of the front side plate, and a left wheel rear plate hole, a left middle wheel rear plate hole, a right middle wheel rear plate hole and a right wheel rear plate hole are sequentially arranged at the left part, the left middle part, the right middle part and the right part of the rear side plate at corresponding positions; in summary, the shaping of the three-core cable is a technical problem in the prior art, and is mainly reflected in poor support.
Disclosure of Invention
In order to improve the situation, the invention provides a three-core cable terminal shaping device which forms a protective garment by surrounding the outer side of a core wire through a shaping frame and forms a supporting and fixing device for the core wire.
The three-core cable terminal shaping device is realized as follows: the invention relates to a three-core cable terminal shaping device which comprises a limiting plate, a shaping frame, a guide plate, a fixing terminal, a fastening screw sleeve, a sealing rubber sleeve, a contraction joint, a limiting ring, a threading hole, a guide pipe, a three-fork support frame, a thread sleeve, a thread pull nail, a connecting frame, an arc notch, a root stator and a rotary joint, wherein the limiting ring is sleeved on the fixing terminal, the fixing terminal is of a circular tubular structure, the outer diameter of a part of the circular pipe below the limiting ring is gradually reduced from top to bottom, the fixing terminal is provided with a plurality of contraction joints at equal angles and is positioned below the limiting ring, the three-fork support frame is arranged in one end of the fixing terminal and is positioned above the limiting ring, the three threading holes are arranged at equal angles on the three-fork support frame, the threading holes are sector holes, the guide pipe is arranged in the middle position of the three-fork support frame, the guide pipe penetrates through the three-, the fixing device comprises a fixing terminal, a fastening screw sleeve, a fixing frame and a limiting plate, wherein the fastening screw sleeve is arranged on the outer side surface of the fixing terminal in a sleeved mode, the fastening screw sleeve is in threaded connection with the fixing terminal, the inner diameter of the fastening screw sleeve is gradually reduced from top to bottom, a plurality of strip-shaped grooves are formed in the sealing rubber sleeve in an equal angle mode, one end of each of three fixing frames is respectively fixed on a three-fork supporting frame and corresponds to three threading holes one by one, the fixing frames are located on one sides of the corresponding threading holes, each of the fixing frames is of a long-strip-shaped arc-shaped plate structure, the arc-shaped convex surfaces of the fixing frames are opposite, a plurality of guide plates are arranged on the arc-shaped convex surfaces of the fixing frames at equal intervals, the guide plates are integrally spiral, the limiting plate is arranged at the other ends, the thread sleeve is arranged in the middle of the connecting frame and located right above the guide pipe, one end of the thread blind rivet sequentially penetrates through the thread sleeve and the guide pipe and is arranged in the fixed terminal, the thread blind rivet is in threaded connection with the thread sleeve, a rotatable rotary joint is arranged at one end of the thread blind rivet, a root stator is arranged on the rotary joint, three arc-shaped notches are formed in the outer side surface of the root stator at equal angles and correspond to three threading holes one by one, the root stator is of an inverted cone-shaped structure, the diameter of the large end of the root stator is larger than that of the thread blind rivet, a plurality of grooves are formed in the inner side surface of the sealant sleeve, two clamping strips are symmetrically arranged on the inner side arc-shaped concave surface of the shaping frame, the clamping strips are rubber strips, and the connecting surface of the connecting frame and the shaping frame is;
furthermore, the limiting plate is replaced by a conductive joint, the conductive joint is composed of a connecting ring, a fixing cap, a winding rod, a connecting lining plate and a conductive plate, one end of the connecting ring is arranged in the fixing cap and is in threaded connection with the fixing cap, the connecting lining plate is arranged in the fixing cap and is positioned between one end of the fixing cap and the connecting ring, a plurality of winding rods are arranged on the connecting lining plate, one end of the conductive plate is arranged on the connecting lining plate, the other end of the conductive plate penetrates through one end of the fixing cap and is arranged outside the fixing cap, a wiring hole is arranged at the other end of the conductive plate, and the winding rod and the connecting lining plate; when the connector is used, one end of the wire is directly connected to the conductive plate to form electric connection when the wire is connected.
Has the beneficial effects.
First, a support coat is formed on the core thread to improve the support.
And secondly, the supporting and fixing are carried out through the supporting coat, so that the strength of the single core wire is improved.
Thirdly, fixing the direction from the forked root of the core wire, and avoiding the cross short circuit of the core wire.
Drawings
FIG. 1 is a perspective view of a three-core cable terminal molding apparatus according to the present invention;
FIG. 2 is a perspective view of a setting frame of the three-core cable terminal setting device of the present invention;
FIG. 3 is a three-dimensional exploded view of a fixed terminal of the three-core cable terminal sizing device of the present invention;
fig. 4 is a schematic structural view of a fixing terminal of the three-core cable terminal setting device of the present invention, which shows only the connection relationship between the fixing terminal and the setting frame;
FIG. 5 is a perspective view of a threaded blind rivet of the three-core cable terminal setting device of the present invention;
fig. 6 is a perspective exploded view of a conductive plate of embodiment 2 of the three-core cable terminal setting device of the present invention.
In the attached drawings
Wherein the method comprises the following steps: limiting plate (1), design frame (2), deflector (3), fixed terminal (4), fastening swivel nut (5), sealed gum cover (6), shrinkage joint (7), spacing ring (8), through wires hole (9), stand pipe (10), trident support frame (11), thread bush (12), screw blind rivet (13), link (14), arc breach (15), root stator (16), rotary joint (17), go-between (18), locking cap (19), kinking pole (20), connect welt (21), current conducting plate (22).
The specific implementation mode is as follows:
example 1
The three-core cable terminal shaping device is realized as follows: the invention discloses a three-core cable terminal shaping device, which comprises a limiting plate (1), a shaping frame (2), a guide plate (3), a fixed terminal (4), a fastening screw sleeve (5), a sealing rubber sleeve (6), contraction joints (7), a limiting ring (8), a threading hole (9), a guide pipe (10), a three-fork support frame (11), a threaded sleeve (12), a threaded pull nail (13), a connecting frame (14), an arc notch (15), a root stator (16) and a rotary joint (17), wherein the limiting ring (8) is sleeved on the fixed terminal (4), the fixed terminal (4) is in a circular tubular structure, the outer diameter of a part of the circular pipe positioned below the limiting ring (8) is gradually reduced from top to bottom, the fixed terminal (4) is provided with a plurality of contraction joints (7) at equal angles and positioned below the limiting ring (8), the three-fork support frame (11) is arranged in one end of the fixed terminal (4), and is located the top of spacing ring (8), three through wires hole (9) have been put to equidistance on trident support frame (11), through wires hole (9) are the sector hole, and trident support frame (11) intermediate position is arranged in to stand (10), stand (10) run through trident support frame (11), and sealed gum cover (6) are fixed to be arranged in fixed terminal (4) through fastening swivel nut (5), fastening swivel nut (5) cover is arranged in on fixed terminal (4) lateral surface, and fastening swivel nut (5) and fixed terminal (4) looks spiro union, the internal diameter of fastening swivel nut (5) reduces from last to bottom gradually, the equidistance is opened on sealed gum cover (6) has a plurality of bar grooves, and three design frame (2) one end is fixed respectively on trident support frame (11), and three through wires hole (9) one-to-one, design frame (2) are located corresponding through wires hole (9) one side, the utility model discloses a setting frame, including setting frame (2), shaping frame (2), fixing frame (2), multi-section deflector (3) and vertical direction, the arc convex surface of shaping frame (2) is the arc convex surface of rectangular form, and multi-section deflector (3) are whole to be the spiral, the other end of shaping frame (2) is overhead has set stopper (1), shaping frame (2) is from upwards bending to the fixed terminal (4) outside direction earlier and extends down, then bends to vertical direction and extends, and link (14) are arranged in between three setting frame (2) one end, and link (14) and three setting frame (2) are connected, and the middle part of link (14) is arranged in to thread bush (12), and is located directly over stand pipe (10), and thread blind rivet (13) one end passes thread bush (12) and stand pipe (10) in proper order and arranges in fixed terminal (4), thread blind rivet (13) and thread bush (12) looks spiro union, the thread blind rivet fixing device is characterized in that a rotatable rotary joint (17) is arranged at one end of the thread blind rivet (13), a root stator (16) is arranged on the rotary joint (17), three arc-shaped notches (15) are formed in the outer side surface of the root stator (16) at equal angles and correspond to three threading holes (9) one to one, the root stator (16) is of an inverted cone structure, the diameter of the large end of the root stator (16) is larger than that of the thread blind rivet (13), a plurality of grooves are formed in the inner side surface of a sealing rubber sleeve (6), two clamping strips are symmetrically arranged on the inner side arc-shaped concave surface of a shaping frame (2), the clamping strips are rubber strips, and the connecting surface of the connecting frame (14) and the shaping frame (2) is an arc-shaped surface;
when the cable fixing device is used, one end of a cable is penetrated into the sealing rubber sleeve (6), then three divided core wires respectively upwards penetrate out of the corresponding threading holes (9) along three arc-shaped notches (15) on the root stator (16) and then are forked at the root, three fixing frames (2) respectively surround the outer sides of the three core wires, then the fastening screw sleeve (5) is screwed, the fastening screw sleeve (5) extrudes the fixing terminal (4), the contraction joint (7) on the fixing terminal (4) and the strip-shaped groove on the sealing rubber sleeve (6) contract, the fixing terminal (4) and the sealing rubber sleeve (6) are further tightened to fix the cable inside, finally, the core wires and the fixing frames (2) are wound and fixed together by adopting winding pipes along the guide plates (3) on the fixing frames (2) to be fixed, the fixing frames (2) form a supporting coat outside the core wires, the stability of the support is better;
example 2
The difference between this example and example 1 is: the limiting plate (1) is replaced by a conductive connector, the conductive connector consists of a connecting ring (18), a fixing cap (19), a winding rod (20), a connecting lining plate (21) and a conductive plate (22), one end of the connecting ring (18) is arranged in the fixing cap (19) and is in threaded connection with the fixing cap (19), the connecting lining plate (21) is arranged in the fixing cap (19) and is located between one end of the fixing cap (19) and the connecting ring (18), a plurality of winding rods (20) are arranged on the connecting lining plate (21), one end of the conductive plate (22) is arranged on the connecting lining plate (21), the other end of the conductive plate (22) penetrates through one end of the fixing cap (19) and is arranged outside the fixing cap (19), a wiring hole is formed in the other end of the conductive plate (22), and the winding rod (20) and the connecting lining plate (21) are both; when in use, one end of the wire is directly connected to the conductive plate (22) to form electric connection when the wire is connected;
the fixing terminal (4) is of a circular tubular structure, and the outer diameter of the part, located below the limiting ring (8), of the circular tube is gradually reduced from top to bottom, so that the fixing terminal can be gradually tightened and fixed by matching with the fastening screw sleeve (5) when the fastening screw sleeve (5) is gradually screwed upwards;
the inner diameter of the fastening screw sleeve (5) is gradually reduced from top to bottom, and the fastening screw sleeve is gradually screwed and fixed by matching with the change of the outer diameter of the fixing terminal (4);
the sealing rubber sleeve (6) is provided with a plurality of strip-shaped grooves at equal angles, so that the sealing rubber sleeve can be contracted when the fastening screw sleeve (5) is tightened;
the shaping frames (2) are of long-strip arc-shaped plate structures, and arc-shaped convex surfaces of the shaping frames (2) are designed oppositely, so that the inner side surfaces of the three shaping frames (2) are opposite, and then the three core wires are completely separated to avoid contact;
the multi-section guide plates (3) are equidistantly arranged on the arc-shaped convex surface of the shaping frame (2), and the multi-section guide plates (3) are integrally designed in a spiral shape, so that the guide plates (3) can be formed to be wound in a spiral line type when winding pipes are wound;
the shaping frames (2) are bent and extended towards the outer side direction of the fixed terminal (4) from bottom to top, and then bent and extended towards the vertical direction, so that the distance between the shaping frames (2) is separated from bottom to top, and the three core wires are thoroughly separated;
the design that a rotatable rotary joint (17) is arranged at one end of the threaded blind rivet (13) can prevent the root stator (16) from rotating when the threaded blind rivet (13) is rotated, and further avoid influencing a core wire clamped in the arc-shaped notch (15) of the root stator (16);
the root stator (16) is of an inverted cone structure, the diameter of the large end of the root stator (16) is larger than that of the threaded blind rivet (13), and the three core wires can be separated when the core wires extend upwards along the arc-shaped notch (15) on the root stator (16);
the design that a plurality of grooves are formed in the inner side face of the sealing rubber sleeve (6) can increase the friction force between the sealing rubber sleeve (6) and a cable when the sealing rubber sleeve is tightened, and the sealing rubber sleeve is prevented from shaking inside;
the design that two clamping strips are symmetrically arranged on the arc-shaped concave surface on the inner side of the shaping frame (2) can further clamp and fix the core wire in the shaping frame (2) for pre-fixing, so that the core wire is prevented from falling out of the inner side of the shaping frame (2) when a winding pipe is not wound;
the connecting surface of the connecting frame (14) and the shaping frame (2) is designed to be an arc surface, so that the connecting frame (14) can be attached to and connected with the shaping frame (2), the connecting area is large, and the connecting stability is good;
the shaping frame (2) is matched with the guide plate (3) and can fix the core wire in the shaping frame (2), so that the shaping frame (2) forms a protective garment on the outer side of the core wire to support and shape the core wire;
the arc-shaped notch (15) on the root stator (16) is matched with the threading hole (9), so that the three core wires can be separated at the root, and the short circuit caused by mutual contact can be avoided;
the core wires are upwards penetrated out from the corresponding threading holes (9) along the arc-shaped notches (15) on the root stator (16), so that the three core wires can be separated at the root, and the short circuit caused by mutual contact is avoided;
the shaping frame (2) surrounds the outer side of the inner core wire, and the shaping frame (2) forms a protective garment on the outer side of the core wire through the design that the winding pipe and the core wire are wound and fixed together, so that the core wire is supported, and the support performance is improved;
reach and surround in the heart yearn outside through design frame (2) and form the protection clothing, form the fixed purpose of support to the heart yearn.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.
Claims (10)
1. The utility model provides a three-core cable terminal setting device which characterized by: the limiting ring is sleeved on the fixing terminal, the fixing terminal is of a circular tubular structure, the outer diameter of the part, below the limiting ring, of the circular tube is gradually reduced from top to bottom, the three-fork support frame is arranged in one end of the fixing terminal and is positioned above the limiting ring, three threading holes are formed in the three-fork support frame at equal angles, the guiding tube is arranged in the middle position of the three-fork support frame and penetrates through the three-fork support frame, the sealing rubber sleeve is fixedly arranged in the fixing terminal through a fastening screw sleeve, the fastening screw sleeve is sleeved on the outer side surface of the fixing terminal and is in threaded connection with the fixing terminal, a plurality of strip-shaped grooves are formed in the sealing rubber sleeve at equal angles, one ends of the three shaping frames are respectively fixedly arranged on the three-fork support frame and are in one-to-one correspondence with the three threading holes, the shaping frames are positioned on one side of the corresponding threading holes, the, and the whole spiral that is of multistage deflector, the other end overhead limiting plate of stock frame, the link is arranged in between three stock frame one end, and link and three stock frame are connected, the middle part of link is arranged in to the screw thread cover, and be located the stand directly over, screw thread blind rivet one end is passed screw thread cover and stand pipe in proper order and is arranged in fixed terminal, screw thread blind rivet and screw thread cover looks spiro union, the overhead rotary joint that has put of one end of screw thread blind rivet, the root stator is arranged in on the rotary joint, the first-class angle of root stator lateral surface is opened has three arc breach, and with three through wires hole one-to-one, the root stator is the back taper structure, seal the inboard overhead a plurality of recesses that have of gum cover, two grip bars have been put on the inboard arc concave surface of stock frame to the symmetry, the face that link and stock frame are connected is the arc.
2. The device for setting the terminal of the three-core cable according to claim 1, wherein the limiting plate is replaced by a conductive connector.
3. The apparatus of claim 2, wherein the conductive connector comprises a connection ring, a fixing cap, a winding rod, a connection lining plate and a conductive plate, one end of the connection ring is disposed in the fixing cap and is screwed with the fixing cap, the connection lining plate is disposed in the fixing cap and is located between one end of the fixing cap and the connection ring, the connection lining plate is disposed with the winding rod, one end of the conductive plate is disposed on the connection lining plate, the other end of the conductive plate passes through the fixing cap, one end of the conductive plate is disposed outside the fixing cap, and the other end of the conductive plate is disposed with a wiring hole.
4. The apparatus of claim 3, wherein the winding rod and the connection liner are made of conductive material.
5. The apparatus of claim 1, wherein the fixed terminal has a plurality of shrinkage joints at equal angles and is located below the stop collar.
6. The apparatus of claim 1, wherein the inner diameter of the tightening screw is gradually reduced from top to bottom.
7. The apparatus of claim 1, wherein the shaping frame is an elongated curved plate structure.
8. The device of claim 7, wherein the fixing frame is bent from bottom to top and extends to the outside of the fixing terminal, and then is bent to the vertical direction.
9. The apparatus of claim 1, wherein the root stator large end diameter is larger than the diameter of the threaded rivet.
10. The apparatus of claim 9, wherein the arc-shaped notch of the stator at the root is fitted with a threading hole to separate the three core wires at the root, thereby preventing short circuit due to mutual contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910844689.9A CN110474284B (en) | 2019-09-07 | 2019-09-07 | Three-core cable terminal shaping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910844689.9A CN110474284B (en) | 2019-09-07 | 2019-09-07 | Three-core cable terminal shaping device |
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| Publication Number | Publication Date |
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| CN110474284A CN110474284A (en) | 2019-11-19 |
| CN110474284B true CN110474284B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910844689.9A Active CN110474284B (en) | 2019-09-07 | 2019-09-07 | Three-core cable terminal shaping device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4414613B2 (en) * | 2001-06-22 | 2010-02-10 | 住友電気工業株式会社 | Superconducting cable phase separation jig |
| JP4201331B2 (en) * | 2003-06-19 | 2008-12-24 | 住友電気工業株式会社 | Phase branching structure of multiphase superconducting cable |
| JP4943957B2 (en) * | 2007-07-02 | 2012-05-30 | 関西電力株式会社 | 3-core batch connection box |
| CN206775096U (en) * | 2017-04-24 | 2017-12-19 | 天津艾利德电气设备制造有限公司 | A kind of antifouling flash-type cable termination |
| CN208548697U (en) * | 2018-07-04 | 2019-02-26 | 倍仕得电气科技（杭州）股份有限公司 | A kind of cable fixing head |
| CN208923799U (en) * | 2018-11-07 | 2019-05-31 | 广东电网有限责任公司 | The cable terminal of recycling |
| CN109546606A (en) * | 2018-11-24 | 2019-03-29 | 红旗集团电力金具有限公司 | A kind of cold-contraction type cable termination |
| CN209029888U (en) * | 2018-11-26 | 2019-06-25 | 杭州临安科玛电力技术有限公司 | A kind of easy to disassemble and installation cable termination |
| CN110212483A (en) * | 2019-05-27 | 2019-09-06 | 江苏士林电气设备有限公司 | A kind of main structure of prefabricated high pressure all insulation high-speed rail train hv cable termination |
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