CN211788302U - Water-blocking cable for rail transit - Google Patents
Water-blocking cable for rail transit Download PDFInfo
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- CN211788302U CN211788302U CN202020701662.2U CN202020701662U CN211788302U CN 211788302 U CN211788302 U CN 211788302U CN 202020701662 U CN202020701662 U CN 202020701662U CN 211788302 U CN211788302 U CN 211788302U
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- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to the technical field of cables, and a cable that blocks water for track traffic is disclosed, including first cable main part and second cable main part, first cable main part is the same with the structure of second cable main part, the outer movable sleeve of first cable main part is equipped with first fixed sleeving, two first screws, two have been seted up to first fixed sleeving's outer wall symmetry first fastening bolt has been cup jointed to equal screw thread in the first screw, first screw has all been stretched out at first fastening bolt's both ends, the outer movable sleeve of first cable main part is equipped with two first semicircular briquetting, first semicircular briquetting is located between first cable main part and the first fastening bolt, first fixed sleeving's left end fixedly connected with first sealed rubber ring, the inner wall and the first cable main part in close contact with of first sealed rubber ring. This cable blocks water for track traffic, the effectual steadiness that improves the cable junction, the effectual performance that blocks water that improves the cable.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a water-blocking cable for track traffic.
Background
The rail transit is an important component of a traffic junction, a large number of cables are required to be used for guaranteeing normal operation of the rail transit in the rail transit, the types of the cables of the rail transit are various, the rail transit is suitable for different working scenes, and different cables are selected according to different use requirements.
The existing track traffic cable is fixedly connected by using the insulating adhesive tape when being connected, the connecting mode is unstable, the insulating adhesive tape is easy to age, the connection part of the cable is electrically shocked and broken, the electrifying stability of the cable is influenced, the water-blocking performance of the existing cable is poor, moisture or humidity can penetrate along the conductive wire core and the cable core of the cable longitudinally, the cable is damaged, and great economic loss is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a cable that blocks water for track traffic possesses advantages such as can improve the cable junction steadiness and the performance of blocking water, has solved among the prior art cable junction steadiness relatively poor and the relatively poor problem of the performance of blocking water.
(II) technical scheme
The utility model provides a following technical scheme: a water-blocking cable for track traffic comprises a first cable main body and a second cable main body, wherein the first cable main body and the second cable main body are identical in structure, a first fixing sleeve is movably sleeved outside the first cable main body, two first screw holes are symmetrically formed in the outer wall of the first fixing sleeve, first fastening bolts are sleeved in the two first screw holes in a threaded manner, two ends of each first fastening bolt extend out of the first screw holes, two first semicircular pressing blocks are movably sleeved outside the first cable main body and positioned between the first cable main body and the first fastening bolts, a first sealing rubber ring is fixedly connected to the left end of the first fixing sleeve, the inner wall of the first sealing rubber ring is in tight contact with the first cable main body, a second fixing sleeve is movably sleeved outside the second cable main body, two second screw holes are symmetrically formed in the outer wall of the second fixing sleeve, two equal screw thread has cup jointed second fastening bolt in the second screw, the second screw all stretches out at second fastening bolt's both ends, the outer movable sleeve of second cable main part is equipped with two semi-circular briquetting of second, the semi-circular briquetting of second is located between second cable main part and the second fastening bolt, the left end fixedly connected with second seal rubber ring of second fixed sleeve, the inner wall and the second cable main part in close contact with of the sealed rubber ring of second, first fixed sleeve all is provided with the screw thread with second fixed sleeve's outer wall, first fixed sleeve and second fixed sleeve external thread cover are equipped with same internal thread pipe.
Preferably, first cable body includes crowded package polyethylene sheath, the crowded package polyethylene sheath internal fixation has cup jointed and has indulged a packet of plastic-aluminum composite band, indulge the inside activity of packet of plastic-aluminum composite band and cup jointed many sinle silks, many it has many expansion bands that block water, a plurality of to insert between the sinle silks are outward around being equipped with same yarn that blocks water.
Preferably, the first cable main body and the second cable main body are fixedly sleeved with ring plates, and the two ring plates are respectively in close contact with the first sealing rubber ring and the second sealing rubber ring.
Preferably, the inner wall of the first fixing sleeve is fixedly connected with a first insulating sleeve, the first insulating sleeve is sleeved outside the first cable main body, the inner wall of the second fixing sleeve is fixedly connected with a second insulating sleeve, and the second insulating sleeve is sleeved outside the second cable main body.
Preferably, the internal thread tube is symmetrically and fixedly connected with two push rods.
Preferably, the outer wall of the first semicircular pressing block is provided with a first locking groove corresponding to the first fastening bolt, and the outer wall of the second semicircular pressing block is provided with a second locking groove corresponding to the second fastening bolt.
Preferably, the left end of the second fixing sleeve is symmetrically and fixedly connected with two positioning blocks, and the right end of the first fixing sleeve is provided with two positioning grooves.
(III) advantageous effects
Compared with the prior art, the utility model provides a cable that blocks water for track traffic possesses following beneficial effect:
1. the water-blocking cable for track traffic comprises a first cable main body, a second cable main body, a first fixing sleeve, a first screw hole, a first fastening bolt, a first semicircular pressing block, a first sealing rubber ring, a second fixing sleeve, a second screw hole, a second fastening bolt, a second semicircular pressing block, a second sealing rubber ring and an internal threaded pipe, wherein the first fixing sleeve is sleeved outside the first cable main body, the second fixing sleeve is sleeved outside the second cable main body, the first fastening bolt and the second fastening bolt are screwed, the two first fastening bolts push the two first semicircular pressing blocks to be tightly attached to the first cable main body to complete the fixing of the first fixing sleeve, the two second fastening bolts push the two second semicircular pressing blocks to be tightly attached to the second cable main body to complete the fixing of the second fixing sleeve, and the first cable main body and the second cable main body are fixedly connected together, the internal thread pipe is rotated, so that the internal thread pipe sleeve is arranged outside the first fixing sleeve and the second fixing sleeve, the connection of the first fixing sleeve and the second fixing sleeve is completed, and the stability of cable connection is effectively improved.
2. This cable blocks water for track traffic, through the crowded package polyethylene sheath that sets up, indulge package plastic-aluminum composite band, the sinle silk, the inflation area that blocks water and the yarn that blocks water, during the use, crowded package polyethylene sheath with indulge package plastic-aluminum composite band has better water-proof effects, can carry out vertical water proof to the cable, avoid moisture to get into the inside of cable from the outside, the inflation area that blocks water and the yarn that blocks water can absorb moisture, form the structure that blocks water, can effectually prevent the inside diffusion of moisture at the cable, the effectual performance that blocks water that has improved the cable.
Drawings
Fig. 1 is a schematic structural view of a water-blocking cable for rail transit according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
fig. 5 is the utility model provides a first cable major structure sketch map of cable blocks water for track traffic.
In the figure: the cable comprises a first cable main body 1, a second cable main body 2, a first fixing sleeve 3, a first screw hole 4, a first fastening bolt 5, a first semicircular pressing block 6, a first sealing rubber ring 7, a second fixing sleeve 8, a second screw hole 9, a second fastening bolt 10, a semicircular pressing block 11, a second sealing rubber ring 12, an internal threaded pipe 13, a polyethylene sheath 14 extruded and wrapped, an aluminum-plastic composite tape 15 longitudinally wrapped, a wire core 16, a water-blocking expansion tape 17, a water-blocking yarn 18, a ring plate 19, a first insulating sleeve 20, a second insulating sleeve 21, a push rod 22, a first locking groove 23, a second locking groove 24, a positioning block 25 and a positioning groove 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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. 1-5, a water-blocking cable for rail transit comprises a first cable main body 1 and a second cable main body 2, the first cable main body 1 and the second cable main body 2 have the same structure, a first fixing sleeve 3 is movably sleeved outside the first cable main body 1, two first screw holes 4 are symmetrically formed in the outer wall of the first fixing sleeve 3, first fastening bolts 5 are screwed in the two first screw holes 4, the first screw holes 4 extend out of both ends of the first fastening bolts 5, two first semicircular press blocks 6 are movably sleeved outside the first cable main body 1, the first semicircular press blocks 6 are positioned between the first cable main body 1 and the first fastening bolts 5, a first sealing rubber ring 7 is fixedly connected to the left end of the first fixing sleeve 3, the inner wall of the first sealing rubber ring 7 is tightly contacted with the first cable main body 1, a second fixing sleeve 8 is movably sleeved outside the second cable main body 2, two second screw holes 9 are symmetrically formed in the outer wall of a second fixing sleeve 8, a second fastening bolt 10 is sleeved in each of the two second screw holes 9 in a threaded manner, two ends of the second fastening bolt 10 extend out of the second screw holes 9, two second semicircular pressing blocks 11 are movably sleeved outside a second cable main body 2, the second semicircular pressing blocks 11 are positioned between the second cable main body 2 and the second fastening bolt 10, a second sealing rubber ring 12 is fixedly connected to the left end of the second fixing sleeve 8, the inner wall of the second sealing rubber ring 12 is tightly contacted with the second cable main body 2, threads are respectively arranged on the outer walls of the first fixing sleeve 3 and the second fixing sleeve 8, the same internal threaded pipe 13 is sleeved on the external threads of the first fixing sleeve 3 and the second fixing sleeve 8, when the cable fixing device is used, the first fixing sleeve 3 is sleeved outside the first cable main body 1, the second fixing sleeve 8 is sleeved outside the second cable main body 2, twist and move first fastening bolt 5 and second fastening bolt 10, two first fastening bolts 10 promote two first semicircular briquetting 6 and paste tight first cable main part 1, accomplish the fixed to first fixed sleeving 3, two second fastening bolts 10 promote two semicircular briquetting 11 of second and paste tight second cable main part 2, accomplish the fixed to second fixed sleeving 8, be in the same place first cable main part 1 and second cable main part 2 fixed connection, rotate internal thread pipe 13, make internal thread pipe 13 cover locate first fixed sleeving 3 and second fixed sleeving 8 outside, accomplish the connection to first fixed sleeving 3 and second fixed sleeving 8, thereby the effectual steadiness that improves cable junction.
First cable main part 1 includes crowded package polyethylene sheath 14, crowded package polyethylene sheath 14 internal fixation has cup jointed and has indulged a packet of plastic-aluminum composite band 15, indulge a packet of plastic-aluminum composite band 15 internal fixation and has cup jointed many sinle silks 16, it has many inflation areas 17 that block water to insert between many sinle silks 16, a plurality of sinle silks 16 are outer to be equipped with same yarn 18 that blocks water around, during the use, crowded package polyethylene sheath 14 and indulge a packet of plastic-aluminum composite band 15 and have better water-proof effects, can carry out vertical waterproof protection to the cable, avoid moisture from the inside that the outside got into the cable, inflation area 17 and the yarn 18 that blocks water can absorb moisture, form the structure that blocks water, can effectually prevent the inside diffusion of moisture at the cable, the effectual performance that blocks water that has.
First cable main part 1 and second cable main part 2 are all fixed the cover outward and are equipped with circle board 19, and two circle boards 19 respectively with first rubber seal 7 and the 12 in close contact with of second rubber seal, carry on spacingly to first rubber seal 7 and the 12 second rubber seal, prevent to break away from.
The inner wall of the first fixing sleeve 3 is fixedly connected with a first insulating sleeve 20, the first insulating sleeve 20 is sleeved outside the first cable main body 1, the inner wall of the second fixing sleeve 8 is fixedly connected with a second insulating sleeve 21, and the second insulating sleeve 21 is sleeved outside the second cable main body 2.
The outer wall of the internal thread pipe 13 is symmetrically and fixedly connected with two push rods 22, so that the internal thread pipe 13 can be conveniently pushed to rotate.
The outer wall of the first semicircular pressing block 6 is provided with a first locking groove 23 corresponding to the first fastening bolt 5, the outer wall of the second semicircular pressing block 11 is provided with a second locking groove 24 corresponding to the second fastening bolt 10, the matching effect of the first fastening bolt 5 and the first semicircular pressing block 6 is improved, and the matching effect of the second fastening bolt 10 and the second semicircular pressing block 11 is improved.
Two locating pieces 25 of the symmetrical fixedly connected with in left end of second fixed sleeving 8, two constant head tanks 26 have been seted up to the right-hand member of first fixed sleeving 3, mutually support through locating piece 25 and constant head tank 26, can improve first fixed sleeving 3 and the inseparable laminating of second fixed sleeving 8.
In summary, in the water-blocking cable for track traffic, when in use, the first fixing sleeve 3 is sleeved outside the first cable main body 1, the second fixing sleeve 8 is sleeved outside the second cable main body 2, the first fastening bolt 5 and the second fastening bolt 10 are screwed, the two first fastening bolts 10 push the two first semicircular pressing blocks 6 to cling to the first cable main body 1, so as to fix the first fixing sleeve 3, the two second fastening bolts 10 push the two second semicircular pressing blocks 11 to cling to the second cable main body 2, so as to fix the second fixing sleeve 8, and fixedly connect the first cable main body 1 and the second cable main body 2 together, and the internal threaded pipe 13 is rotated, so that the internal threaded pipe 13 is sleeved outside the first fixing sleeve 3 and the second fixing sleeve 8, so as to complete the connection between the first fixing sleeve 3 and the second fixing sleeve 8, thereby effectively improving the stability of cable connection; during the use, crowded package polyethylene sheath 14 and indulge compound 15 area of package plastic-aluminum have better water-proof effects, can carry out vertical waterproof protection to the cable, avoid moisture to get into the inside of cable from the outside, and the inflation area 17 that blocks water and the yarn 18 that blocks water can absorb moisture, form the structure that blocks water, can effectually prevent the inside diffusion of moisture at the cable, the effectual performance that blocks water that improves the cable.
It should be noted that the term "comprises/comprising" when used in this specification is taken to specify the presence of stated elements, integers, steps, operations, elements, components, and/or groups thereof, but does not exclude the presence or addition of other elements, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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. A water-blocking cable for rail transit comprises a first cable main body (1) and a second cable main body (2), and is characterized in that the first cable main body (1) and the second cable main body (2) are identical in structure, a first fixing sleeve (3) is movably sleeved outside the first cable main body (1), two first screw holes (4) are symmetrically formed in the outer wall of the first fixing sleeve (3), first fastening bolts (5) are sleeved in the two first screw holes (4) in a uniform threaded mode, the two ends of each first fastening bolt (5) extend out of the corresponding first screw hole (4), two first semicircular pressing blocks (6) are movably sleeved outside the first cable main body (1), the first semicircular pressing blocks (6) are located between the first cable main body (1) and the first fastening bolts (5), a first sealing rubber ring (7) is fixedly connected to the left end of the first fixing sleeve (3), the inner wall of the first sealing rubber ring (7) is in close contact with the first cable main body (1), a second fixing sleeve (8) is movably sleeved outside the second cable main body (2), two second screw holes (9) are symmetrically formed in the outer wall of the second fixing sleeve (8), second fastening bolts (10) are sleeved in the two second screw holes (9) in a threaded manner, the two ends of each second fastening bolt (10) extend out of the corresponding second screw hole (9), two second semicircular pressing blocks (11) are movably sleeved outside the second cable main body (2), each second semicircular pressing block (11) is located between the corresponding second cable main body (2) and the corresponding second fastening bolt (10), the left end of each second fixing sleeve (8) is fixedly connected with a second sealing rubber ring (12), the inner wall of each second sealing rubber ring (12) is in close contact with the corresponding second cable main body (2), the outer walls of the first fixing sleeve (3) and the second fixing sleeve (8) are provided with threads, and the first fixing sleeve (3) and the second fixing sleeve (8) are externally sleeved with the same internal threaded pipe (13).
2. A water-blocking cable for rail transit according to claim 1, wherein: first cable main part (1) is including crowded package polyethylene sheath (14), crowded package polyethylene sheath (14) internal fixation has cup jointed and has indulged package plastic-aluminum composite tape (15), indulge package plastic-aluminum composite tape (15) inside activity and has cup jointed many sinle silks (16), many insert between sinle silks (16) and be equipped with many expansion band (17), it is a plurality of sinle silks (16) are outer around being equipped with same yarn (18) that blocks water.
3. A water-blocking cable for rail transit according to claim 1, wherein: the first cable main body (1) and the second cable main body (2) are fixedly sleeved with ring plates (19), and the two ring plates (19) are respectively in close contact with the first sealing rubber ring (7) and the second sealing rubber ring (12).
4. A water-blocking cable for rail transit according to claim 1, wherein: the inner wall fixedly connected with first insulating sleeve (20) of first fixed sleeving (3), first cable main part (1) is located outward to first insulating sleeve (20) cover, the inner wall fixedly connected with second insulating sleeve (21) of second fixed sleeving (8), second cable main part (2) is located outward to second insulating sleeve (21) cover.
5. A water-blocking cable for rail transit according to claim 1, wherein: the internal thread pipe (13) is symmetrically and fixedly connected with two push rods (22).
6. A water-blocking cable for rail transit according to claim 1, wherein: the outer wall of the first semicircular pressing block (6) is provided with a first locking groove (23) corresponding to the first fastening bolt (5), and the outer wall of the second semicircular pressing block (11) is provided with a second locking groove (24) corresponding to the second fastening bolt (10).
7. A water-blocking cable for rail transit according to claim 1, wherein: the left end of the second fixed sleeve (8) is symmetrically and fixedly connected with two positioning blocks (25), and the right end of the first fixed sleeve (3) is provided with two positioning grooves (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701662.2U CN211788302U (en) | 2020-04-30 | 2020-04-30 | Water-blocking cable for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701662.2U CN211788302U (en) | 2020-04-30 | 2020-04-30 | Water-blocking cable for rail transit |
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| Publication Number | Publication Date |
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| CN211788302U true CN211788302U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020701662.2U Active CN211788302U (en) | 2020-04-30 | 2020-04-30 | Water-blocking cable for rail transit |
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| CN (1) | CN211788302U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430080A (en) * | 2020-04-30 | 2020-07-17 | 安徽电缆股份有限公司 | Water-blocking cable for rail transit |
| CN113471726A (en) * | 2021-07-08 | 2021-10-01 | 浙江卡迪夫电缆有限公司 | High-flexibility flat cable |
-
2020
- 2020-04-30 CN CN202020701662.2U patent/CN211788302U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430080A (en) * | 2020-04-30 | 2020-07-17 | 安徽电缆股份有限公司 | Water-blocking cable for rail transit |
| CN111430080B (en) * | 2020-04-30 | 2024-05-14 | 安徽电缆股份有限公司 | Water-blocking cable for track traffic |
| CN113471726A (en) * | 2021-07-08 | 2021-10-01 | 浙江卡迪夫电缆有限公司 | High-flexibility flat cable |
| CN113471726B (en) * | 2021-07-08 | 2023-05-23 | 浙江卡迪夫电缆有限公司 | High-flexibility flat cable |
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