CN215522320U - Splicing structure of cable air supply pipeline - Google Patents
Splicing structure of cable air supply pipeline Download PDFInfo
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- CN215522320U CN215522320U CN202120566262.XU CN202120566262U CN215522320U CN 215522320 U CN215522320 U CN 215522320U CN 202120566262 U CN202120566262 U CN 202120566262U CN 215522320 U CN215522320 U CN 215522320U
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- air supply
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Abstract
The utility model relates to a splicing structure of a cable air supply pipeline, and belongs to the technical field of bridge cables. The gas supply pipeline comprises a plurality of sections of gas supply pipes, the adjacent sections of gas supply pipes are communicated through joints to form an integral gas supply pipeline, and the joints comprise universal joints and gas outlet joints; the air supply connector comprises an air supply connector body, second threads are respectively arranged at two ends of the air supply connector body, the rotation direction of the second threads is the same as that of a thread structure of an air supply pipe connected with the second threads, and a plurality of air outlet holes are annularly arranged on the air supply connector body. A splicing structure of a cable air supply pipeline has a universal joint for connection, an air outlet joint not only has a connection effect on adjacent air supply pipes, but also dry air at the connection part flows into a main cable through an air outlet hole.
Description
Technical Field
The utility model relates to a splicing structure of a cable air supply pipeline, and belongs to the technical field of bridge cables.
Background
Important indexes for controlling the internal environment of the steel structure bridge relate to humidity, temperature and air pressure. The dehumidification system is adopted to carry out drying dehumidification and corrosion prevention in the large steel structure bridge, so that the relative humidity of air contacting with the inside of all steel bodies is controlled in a low-humidity range, the possibility of corrosion and rust in the steel box girder, the anchor chamber, the saddle chamber, the cable and the cable tower is reduced, and the design life and safe use of the bridge are ensured.
Publication No. CN110565524A discloses an evaluation method of an air supply dehumidification system inside a main cable of a suspension bridge, the air supply dehumidification system inside the main cable of the suspension bridge comprises an air supply device for supplying dry air and an air supply pipeline provided with a plurality of small air holes, the air supply pipeline is connected to the air supply device and embedded inside the main cable of the suspension bridge, a plurality of cable clamps are further sleeved outside the main cable, and the cable clamps comprise common cable clamps and exhaust cable clamps; and evaluating the air supply and dehumidification system in the main cable of the suspension bridge according to the total resistance loss generated in the flowing process of the dry air in the main cable of the suspension bridge. The technology has the advantages that the air supply and dehumidification system in the main cable of the suspension bridge is evaluated according to the total resistance loss generated in the flowing process of the dry air in the main cable of the suspension bridge, so that the structural reasonability of the air supply and dehumidification system in the main cable and the reasonability of air inlet parameter setting are determined, and the result is accurate.
In the above document, the air supply duct is provided inside the main rope to remove moisture inside the main rope, thereby reducing corrosion of the main rope wire by the moisture. Because the air supply pipeline and the main cable steel wire are bundled together, the selection of the air supply pipeline must consider the service condition of the main cable, and the maximum dehumidification effect can be exerted.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a splicing structure of a cable air supply pipe in view of the above-mentioned prior art, which not only has a function of connecting adjacent air supply pipes, but also can ventilate and dehumidify the interior of the cable at the joint of the adjacent air supply pipes.
The technical scheme adopted by the utility model for solving the problems is as follows: a splicing structure of a cable gas supply pipeline comprises a plurality of sections of gas supply pipes, wherein adjacent sections of the gas supply pipes are communicated through joints to form an integral gas supply pipeline, and each joint comprises a universal joint and a gas outlet joint; the air supply connector comprises an air supply connector body, second threads are respectively arranged at two ends of the air supply connector body, the rotation direction of the second threads is the same as that of a thread structure of an air supply pipe connected with the second threads, and a plurality of air outlet holes are annularly arranged on the air supply connector body.
The universal joint comprises a universal joint body, first threads are respectively arranged at two ends of the universal joint body, and the rotating direction of the first threads is the same as that of a thread structure of a connected air supply pipe.
The air outlet connector body is symmetrically provided with second limiting bosses respectively, and the second limiting bosses are annular bosses on the surface of the air outlet connector body.
First limiting bosses are symmetrically arranged on the universal joint body respectively, and the first limiting bosses are arranged along the circumferential bosses on the surface of the universal joint body.
Compared with the prior art, the utility model has the advantages that: a splicing structure of a cable air supply pipeline is characterized in that a universal joint plays a role in connection, an air outlet joint plays a role in connection of adjacent air supply pipes, and dry air at the joint of the adjacent air supply pipes flows into a main cable through an air outlet hole.
Drawings
FIG. 1 is a schematic view of a cable air delivery conduit according to an embodiment of the present invention;
FIG. 2 is a schematic view of the vent fitting of FIG. 1;
FIG. 3 is a schematic view of the universal joint of FIG. 1;
FIG. 4 is a schematic view of the air delivery tube of FIG. 1;
in the figure, 1 air supply pipe, 1.1 corrugated pipe, 1.2 steel wire, 2 air outlet joint, 2.1 air outlet joint body, 2.2 second limit boss, 2.3 air outlet hole, 3 universal joint, 3.1 universal joint body, 3.2 first limit boss and 4 connecting joint.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, in the splicing structure of the cable air supply pipeline in the embodiment, the air supply pipeline includes several sections of air supply pipes 1, and adjacent sections of air supply pipes 1 are communicated through joints to form an integral air supply pipeline. As shown in fig. 4, the air supply pipe 1 includes a corrugated pipe 1.1 and a steel wire 1.2, a continuous thread structure is formed on the pipe wall of the corrugated pipe 1.1, and the steel wire 1.2 is wound on the outer wall of the corrugated pipe 1.1 along the thread structure to form a spring steel wire.
As shown in fig. 2 and 3, the connector comprises a universal connector 3 and an air outlet connector 2, and the universal connector 3 and the air outlet connector 2 are arranged at intervals. The universal joint 3 comprises a universal joint body 3.1, first limiting bosses 3.2 are symmetrically arranged on the universal joint body 3.1 respectively, the first limiting bosses 3.2 are circumferentially arranged along the surface of the universal joint body 3.1, and limit effect is achieved on the end portions of steel wires 1.2 wound on the corrugated pipe 1.1, so that the steel wires 1.2 keep rigid. The end parts of the universal joint bodies 3.1 arranged outside the first limiting bosses 3.2 are respectively provided with first threads, and the rotating directions of the first threads are respectively the same as the rotating directions of the spiral structures of the connected corrugated pipes 1.1, so that the corrugated pipes 1.1 are in threaded connection with the universal joints 3, and thread screwing surfaces are wound with thread sealing tapes. The joint 2 of giving vent to anger is including giving vent to anger the joint body 2.1, gives vent to anger and is equipped with the spacing boss 2.2 of second on the joint body 2.1 respectively the symmetry, and the spacing boss 2.2 of second is arranged along the surperficial circumference of the joint body 2.1 of giving vent to anger. And the end part of the air outlet joint body arranged outside the second limiting boss 2.2 is respectively provided with a second thread, and the rotation direction of the second thread is respectively the same as the rotation direction of the spiral structure of the connected corrugated pipe 1.1, so that the corrugated pipe 1.1 is in threaded connection with the air outlet joint 2, and the thread screwing surface is wound with a raw material tape. Locate the spacing boss 2.2 of two seconds and go out to connect the body 2.1 to go up to the annular and set up a plurality of ventholes 2.3, the venthole 2.3 will flow through the dry air that goes out to connect 2 inside to the main push-towing rope.
The forming material of the corrugated pipe 1.1 is a plating layer or a plastic-coated belt, the steel wire 1.2 is a plating layer or a plastic-coated or plastic-coated steel wire, the steel wire 1.2 adopts a hot plating layer or a plastic-coated or plastic-coated steel wire with the diameter of 6mm (+/-0.06 mm), and the strength of the steel wire is more than or equal to 1860 MPa. The plating layer or the plastic-coated belt and the plating layer or the plastic-coated or plastic-coated steel wire are formed together by a mould, and the continuous forming length is more than or equal to 1000 m. The plated or plastic-coated steel wires are just pressed into the corrugations of the corrugated pipe during the forming process. The formed corrugated pipe should meet the coiling requirement, and the coiling inner diameter is 30 times of the middle diameter of the corrugated pipe.
The adjacent sections of corrugated pipes are connected through the universal joint or the air outlet joint, so that the sections of corrugated pipes form a whole. And winding a plated steel wire on each section of corrugated pipe to form a steel wire bundle at the core part of the main cable, and then winding an S-shaped steel wire on the outer layer of the steel wire bundle and wrapping the outer layer for protection. The air supply pipe has the capacity of resisting extension and torsion, can adapt to the construction and service state of the main cable, and provides an air supply channel in the main cable, so that the dehumidification of the interior of the main cable is realized. The universal joint in the connecting structure plays a role in connection, the air outlet joint not only plays a role in connection of adjacent air supply pipes, but also dry air at the connection part flows into the main cable through the air outlet hole.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (4)
1. A splicing structure of a cable gas supply pipeline, wherein the gas supply pipeline comprises a plurality of gas supply pipes (1), adjacent gas supply pipes (1) are communicated through joints to form an integral gas supply pipeline, and the splicing structure is characterized in that: the joint comprises a universal joint (3) and an air outlet joint (2); the air outlet connector (2) comprises an air outlet connector body (2.1), second threads are respectively arranged at two ends of the air outlet connector body (2.1), the second threads are in the same rotating direction with the thread structure of the connected air supply pipe, and a plurality of air outlet holes (2.3) are arranged on the air outlet connector body in the circumferential direction.
2. A splicing structure of a cable air feeding duct according to claim 1, wherein: the universal joint (3) comprises a universal joint body (3.1), first threads are respectively arranged at two ends of the universal joint body (3.1), and the screwing direction of the first threads is the same as that of a thread structure of a connected air supply pipe.
3. A splicing structure of a cable air feeding duct according to claim 1, wherein: the two ends of the air outlet joint body (2.1) are respectively and symmetrically provided with a second limiting boss (2.2), and the second limiting boss (2.2) is an annular step on the surface of the air outlet joint body (2.1).
4. A splicing structure of a cable air feeding duct according to claim 2, wherein: the universal joint is characterized in that first limiting bosses (3.2) are symmetrically arranged on the universal joint body (3.1) respectively, and the first limiting bosses (3.2) are annular steps on the surface of the universal joint body (3.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566262.XU CN215522320U (en) | 2021-03-19 | 2021-03-19 | Splicing structure of cable air supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566262.XU CN215522320U (en) | 2021-03-19 | 2021-03-19 | Splicing structure of cable air supply pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215522320U true CN215522320U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120566262.XU Active CN215522320U (en) | 2021-03-19 | 2021-03-19 | Splicing structure of cable air supply pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215522320U (en) |
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2021
- 2021-03-19 CN CN202120566262.XU patent/CN215522320U/en active Active
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