CN211789608U - Cable intermediate head for controlling current and electric field for rail transit - Google Patents
Cable intermediate head for controlling current and electric field for rail transit Download PDFInfo
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- CN211789608U CN211789608U CN202020800398.8U CN202020800398U CN211789608U CN 211789608 U CN211789608 U CN 211789608U CN 202020800398 U CN202020800398 U CN 202020800398U CN 211789608 U CN211789608 U CN 211789608U
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Abstract
The utility model discloses a cable intermediate head of control current, electric field for track traffic, including lock nut and sealing washer, lock nut's the outside has connect locking bolt soon, the inboard of the locking lantern ring is provided with down the casing, the sealing washer is located the inboard of casing down, the top of sealing washer is provided with the casing, one side that the cable body is close to casing central line down is provided with the wire, the adapter sleeve is installed in the outside of conductor, the outside of shielding layer is provided with the copper mesh grid. This cable intermediate head of control current, electric field for track traffic compares with current ordinary cable intermediate head, and the convenience is fixed with the cable centre gripping, and subsequent installation of being convenient for through the heat dissipation strip, distributes away the inside heat of intermediate head, avoids the inside high temperature of intermediate head, influences the life of cable, arouses the conflagration even, has shielded the electromagnetic field in the conductor to reduce the electromagnetic interference to external electrical equipment production.
Description
Technical Field
The utility model relates to a track traffic technical field specifically is a track traffic is with cable intermediate head of control current, electric field.
Background
The rail transit is a kind of transportation means or transportation system that the operation vehicle needs to run on the specific rail, the most typical rail transit is the railway system composed of the traditional train and the standard railway, with the diversification development of the train and the railway technology, the rail transit is more and more types, not only spread over long distance land transportation, but also widely used in the urban public transportation of medium and short distance, the cable joint is also called as the cable head, after the cable is laid, in order to make it become a continuous line, each section line must be connected into a whole, these connection points are called as the cable joint, the cable joint in the middle of the cable line is called as the middle joint, and the cable joints at two ends of the line are called as the terminal heads, the cable joint is used to lock and fix the incoming and outgoing line, playing the role of water-proof, dust-proof and vibration-proof.
General cable intermediate head is inconvenient to be fixed with the cable clamp, and the heat that cable work produced gathers in intermediate head, influences the life of cable easily, makes the cable catch fire even, and the cable circular telegram produces the electromagnetic field easily, produces electromagnetic interference to external electrical equipment, can not be fine satisfies people's user demand, to above-mentioned condition, carries out technical innovation on current cable intermediate head basis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable intermediate head of control current, electric field for track traffic to propose general cable intermediate head in solving above-mentioned background, inconvenient fix the cable clamp, and the heat that cable work produced gathers in the intermediate head, influence the life of cable easily, make the cable catch fire even, the cable circular telegram produces the electromagnetic field easily, produces electromagnetic interference's problem to external electrical equipment.
In order to achieve the above object, the utility model provides a following technical scheme: a cable intermediate joint for controlling current and electric field for track traffic comprises a locking nut and a sealing ring, wherein the outer side of the locking nut is screwed with a locking bolt, the inner side of the locking nut is provided with a locking sleeve ring, the inner side of the locking sleeve ring is provided with a lower shell, the lower end of the lower shell is fixed with a heat dissipation strip, the sealing ring is positioned at the inner side of the lower shell, the inner side of the sealing ring is provided with a cable body, the upper shell is arranged above the sealing ring, one side of the cable body, which is close to the central line of the lower shell, is provided with a lead, one side of the lead, which is close to the central line of the lower shell, is provided with a conductor, the outer side of the conductor is provided with a connecting sleeve, the outer side of the connecting sleeve is provided with a copper mesh, the left end and the right end of the, and waterproof rubber strips are bonded at the left end and the right end of the sealing rubber strip.
Preferably, the locking nut is in threaded connection with the locking bolt, and the locking bolt is arranged circumferentially with the central axis of the locking nut as the center of circle.
Preferably, the locking sleeve ring is movably connected with the lower shell, and the central axis of the locking sleeve ring coincides with the central axis of the sealing ring.
Preferably, the sealing rings are bonded with the lower shell, and the sealing rings are symmetrically distributed around the central line of the lower shell.
Preferably, be welding integrated structure between heat dissipation strip and the last casing, and the axis symmetric distribution about the cable body between the heat dissipation strip.
Preferably, the conductors are connected through a connecting sleeve, and the outer surface of the connecting sleeve is attached to the inner surface of the shielding layer.
Preferably, the copper woven mesh is connected with the lead through a constant force spring, and the outer surface of the copper woven mesh is attached to the inner surface of the sealing rubber strip.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a setting of locking bolt, lock nut, the locking lantern ring, lower casing and upper housing, conveniently fix the cable body, put into the cable body on the lower casing, cover the casing, sheathe in the locking lantern ring, rotatory lock nut makes lock nut move to the upper housing central line, extrudes the locking lantern ring, the locking cover ring contracts to the internal, press from both sides tight lower casing and upper housing, lower casing and upper housing also contract to the internal, clamp the cable body tightly fixedly, rotatory lock bolt compresses tightly the locking lantern ring, prevent lock nut rotation simultaneously, make the cable body centre gripping not tight;
2. the utility model discloses a lower casing, upper housing and heat dissipation strip set up, dispel the heat to the cable intermediate head, the heat that the cable body work produced gathers in the intermediate head, these heats transmit to the heat dissipation strip through lower casing and upper housing, the air takes away a part through the space between the heat dissipation strip with the heat on the heat dissipation strip, make the temperature reduction inside the cable intermediate head, prevent that the cable body temperature is too high, influence the life of cable body, even make the cable body catch fire;
3. the utility model discloses a conductor, shielding layer and copper mesh grid's setting for produced electric field evenly distributed of conductor circular telegram, the electric field that the conductor circular telegram produced is guided by shielding layer, evenly distributed, the electromagnetic field shielding that arouses when copper mesh grid is with the cable circular telegram simultaneously is in the conductor, in order to reduce the electromagnetic interference to external electrical equipment production, the produced electric field of homogenization conductor circular telegram prevents axial discharge, the copper mesh grid also plays the external electromagnetic field of restriction and influences the inside production of conductor.
Drawings
FIG. 1 is a schematic view of a front view half-section structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the locking nut of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. locking the bolt; 2. locking the nut; 3. a locking collar; 4. a lower housing; 5. a cable body; 6. a seal ring; 7. an upper housing; 8. a heat dissipating strip; 9. sealing rubber strips; 10. a wire; 11. a conductor; 12. connecting sleeves; 13. a shielding layer; 14. copper mesh grid; 15. a constant force spring; 16. waterproof adhesive tape.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a cable intermediate joint for controlling current and electric field for track traffic comprises a locking nut 2 and a sealing ring 6, wherein the outer side of the locking nut 2 is screwed with a locking bolt 1, the inner side of the locking nut 2 is provided with a locking lantern ring 3, the locking nut 2 is in threaded connection with the locking bolt 1, the locking bolts 1 are arranged in a circumferential manner by taking the central axis of the locking nut 2 as the center of a circle, the cable body 5 is conveniently fixed by arranging the locking bolt 1, the locking nut 2, the locking lantern ring 3, a lower shell 4 and an upper shell 7, the cable body 5 is put on the lower shell 4, the upper shell 7 is covered, the locking lantern ring 3 is sleeved on the upper shell 7, the locking nut 2 is rotated to move towards the central line of the upper shell 7, the locking lantern ring 3 is extruded, the locking lantern ring 3 contracts inwards to clamp the lower shell 4 and the upper shell 7, the lower shell 4 and the upper shell 7 also contract inwards, clamping and fixing the cable body 5, rotating the locking bolt 1, pressing the locking lantern ring 3 tightly, and simultaneously preventing the locking nut 2 from rotating so that the cable body 5 is not tightly clamped;
the inner side of the locking lantern ring 3 is provided with a lower shell 4, the lower end of the lower shell 4 is fixed with a heat dissipation strip 8, the locking lantern ring 3 is movably connected with the lower shell 4, the central axis of the locking lantern ring 3 coincides with the central line of a sealing ring 6, the sealing ring 6 is positioned on the inner side of the lower shell 4, the inner side of the sealing ring 6 is provided with a cable body 5, the sealing ring 6 is bonded with the lower shell 4, the sealing ring 6 is symmetrically distributed around the central line of the lower shell 4, an upper shell 7 is arranged above the sealing ring 6, the heat dissipation strip 8 and the upper shell 7 are of a welding integrated structure, the heat dissipation strips 8 are symmetrically distributed around the central axis of the cable body 5, the middle joint of the cable is dissipated through the arrangement of the lower shell 4, the upper shell 7 and the heat dissipation strips 8, heat generated by the operation of the cable body 5 is gathered in the middle joint, and is transferred to the heat dissipation strips, the air takes away part of the heat on the heat dissipation strips 8 through gaps among the heat dissipation strips 8, so that the temperature inside the cable intermediate joint is reduced, the phenomenon that the service life of the cable body 5 is influenced due to overhigh temperature of the cable body 5 is prevented, and even the cable body 5 catches fire is avoided;
a lead 10 is arranged on one side of the cable body 5 close to the central line of the lower shell 4, a conductor 11 is arranged on one side of the lead 10 close to the central line of the lower shell 4, a connecting sleeve 12 is arranged on the outer side of the conductor 11, a shielding layer 13 is arranged on the outer side of the connecting sleeve 12, the conductors 11 are connected through the connecting sleeve 12, the outer surface of the connecting sleeve 12 is attached to the inner surface of the shielding layer 13, a copper mesh grid 14 is arranged on the outer side of the shielding layer 13, constant force springs 15 are arranged at the left end and the right end of the copper mesh grid 14, the copper mesh grid 14 is connected with the lead 10 through the constant force springs 15, the outer surface of the copper mesh grid 14 is attached to the inner surface of the sealing rubber strip 9, through the arrangement of the conductor 11, the shielding layer 13 and the copper mesh 14, the electric field generated by the electrification of the conductor 11 is uniformly distributed, the electric field generated by the electrification of the conductor 11 is guided by the, with the electromagnetic interference who reduces the production to external electrical equipment, the produced electric field of homogenization conductor 11 circular telegram prevents axial discharge, and copper mesh grid 14 also plays the restriction external electromagnetic field and to the inside production influence of conductor 11, and the outside bonding of copper mesh grid 14 has joint strip 9, and joint strip 16 has been glued at both ends about joint strip 9.
The working principle is as follows: when the intermediate joint of the cable for controlling current and electric field for rail transit is used, firstly, two cable bodies 5 to be connected are placed on a lower shell 4, the cable bodies 5 are peeled, conductors 11 in the cable bodies 5 are connected through a connecting sleeve 12, a shielding layer 13 and a copper woven net 14 are sequentially arranged outside the connecting sleeve 12, the cable bodies are fixed on a lead 10 by using a sealing rubber strip 9, waterproof rubber strips 16 are adhered on two sides of the sealing rubber strip 9 for fixing and waterproofing, the upper shell 7 is covered after the connection is finished, a sealing ring 6 is sleeved outside the lower shell 4 and the upper shell 7, a locking lantern ring 3 is sleeved, a locking nut 2 is rotated, so that the locking nut 2 extrudes the locking lantern ring 3, the locking lantern ring 3 contracts inwards to clamp the lower shell 4 and the upper shell 7, and the lower shell 4 and the upper shell 7 also contract inwards under the action of the locking lantern ring 3 to clamp and fix the cable bodies 5, the locking bolt 1 is rotated to prevent the locking nut 2 from loosening, so that the cable body 5 is not tightly clamped, and the working principle of the cable intermediate joint for controlling current and electric field for the track traffic is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a track traffic is with cable intermediate head of control current, electric field, includes lock nut (2) and sealing washer (6), its characterized in that: the outer side of the locking nut (2) is screwed with the locking bolt (1), the inner side of the locking nut (2) is provided with a locking sleeve ring (3), the inner side of the locking sleeve ring (3) is provided with a lower shell (4), the lower end of the lower shell (4) is fixed with a heat dissipation strip (8), the sealing ring (6) is positioned on the inner side of the lower shell (4), the inner side of the sealing ring (6) is provided with a cable body (5), an upper shell (7) is arranged above the sealing ring (6), one side of the cable body (5) close to the central line of the lower shell (4) is provided with a lead (10), one side of the lead (10) close to the central line of the lower shell (4) is provided with a conductor (11), the outer side of the conductor (11) is provided with a connecting sleeve (12), the outer side of the connecting sleeve (12) is provided with a shielding layer (13), the outer, and both ends are provided with constant force spring (15) about copper mesh grid (14), joint strip (9) have been bonded in the outside of copper mesh grid (14), and joint strip (16) have been bonded at both ends about joint strip (9).
2. The intermediate joint for current and electric field control cables for rail transit as claimed in claim 1, wherein: the locking nut (2) is in threaded connection with the locking bolt (1), and the locking bolt (1) is arranged in a circle by taking the central axis of the locking nut (2) as the center of a circle.
3. The intermediate joint for current and electric field control cables for rail transit as claimed in claim 1, wherein: the locking sleeve ring (3) is movably connected with the lower shell (4), and the central axis of the locking sleeve ring (3) coincides with the central line of the sealing ring (6).
4. The intermediate joint for current and electric field control cables for rail transit as claimed in claim 1, wherein: the sealing rings (6) are bonded with the lower shell (4), and the sealing rings (6) are symmetrically distributed around the center line of the lower shell (4).
5. The intermediate joint for current and electric field control cables for rail transit as claimed in claim 1, wherein: the heat dissipation strip (8) and the upper shell (7) are of a welding integrated structure, and the heat dissipation strips (8) are symmetrically distributed about a central axis of the cable body (5).
6. The intermediate joint for current and electric field control cables for rail transit as claimed in claim 1, wherein: the conductors (11) are connected through a connecting sleeve (12), and the outer surface of the connecting sleeve (12) is attached to the inner surface of the shielding layer (13).
7. The intermediate joint for current and electric field control cables for rail transit as claimed in claim 1, wherein: the copper woven mesh (14) is connected with the lead (10) through a constant force spring (15), and the outer surface of the copper woven mesh (14) is attached to the inner surface of the sealing rubber strip (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020800398.8U CN211789608U (en) | 2020-05-14 | 2020-05-14 | Cable intermediate head for controlling current and electric field for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020800398.8U CN211789608U (en) | 2020-05-14 | 2020-05-14 | Cable intermediate head for controlling current and electric field for rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211789608U true CN211789608U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020800398.8U Active CN211789608U (en) | 2020-05-14 | 2020-05-14 | Cable intermediate head for controlling current and electric field for rail transit |
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| Country | Link |
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| CN (1) | CN211789608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161978A (en) * | 2020-11-16 | 2021-07-23 | 郑芬 | Underwater fastening sealing cable connection structure |
| WO2023092074A1 (en) * | 2021-11-19 | 2023-05-25 | Baker Hughes Oilfield Operations Llc | Field attachable and pressure testable coupling for metal-to-metal motor lead extensions |
-
2020
- 2020-05-14 CN CN202020800398.8U patent/CN211789608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161978A (en) * | 2020-11-16 | 2021-07-23 | 郑芬 | Underwater fastening sealing cable connection structure |
| WO2023092074A1 (en) * | 2021-11-19 | 2023-05-25 | Baker Hughes Oilfield Operations Llc | Field attachable and pressure testable coupling for metal-to-metal motor lead extensions |
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