CN215522286U - Air supply pipeline erecting structure for cable - Google Patents
Air supply pipeline erecting structure for cable Download PDFInfo
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- CN215522286U CN215522286U CN202120568713.3U CN202120568713U CN215522286U CN 215522286 U CN215522286 U CN 215522286U CN 202120568713 U CN202120568713 U CN 202120568713U CN 215522286 U CN215522286 U CN 215522286U
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- air supply
- supply pipeline
- erection
- retainer
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Abstract
The utility model relates to an air supply pipeline erecting structure for a cable, and belongs to the technical field of bridge cables. The device comprises a hauling rope, wherein the hauling rope is temporarily and fixedly connected with the air supply pipeline through a detachable erection unit, the erection unit comprises first erection pieces and second erection pieces, the first erection pieces are arranged at two ends of the air supply pipeline, and the second erection pieces are arranged in the middle of the air supply pipeline; the first erection component comprises a first upper retainer and a first lower retainer, and the first lower retainer is arranged at the bottom of the traction rope and plays a role in supporting the bottom of the traction rope; the first upper retainer covers the top of the traction rope, and the first upper retainer and the first lower retainer are connected and fixed with the traction rope up and down; the first upper retainer and the first lower retainer are respectively provided with an extension section, the extension sections are respectively arranged in the air supply pipeline, and the extension sections are in threaded connection with the air supply pipeline. This application simple structure, it is convenient to install, has improved the efficiency of construction.
Description
Technical Field
The utility model relates to an air supply pipeline erecting structure for a cable, 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.
At present, the air supply pipeline is arranged in the main cable, so that moisture in the main cable is removed, and the corrosion of the moisture to the steel wire of the main cable is reduced. 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 to exert the maximum dehumidification effect, and the construction method of how the air supply pipeline is installed in the main cable needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an air supply pipeline erection structure for a cable rope, which can adapt to the construction and service states of a main cable, can ventilate and dehumidify the interior of the cable rope, is convenient to install and improves the construction efficiency.
The technical scheme adopted by the utility model for solving the problems is as follows: an air supply pipeline erecting structure for a cable comprises a hauling rope, wherein the hauling rope is temporarily and fixedly connected with an air supply pipeline through a detachable erecting unit, the erecting unit comprises first erecting pieces and second erecting pieces, the first erecting pieces are arranged at two ends of the air supply pipeline, and the second erecting pieces are arranged in the middle of the air supply pipeline; the first erection component comprises a first upper retainer and a first lower retainer, and the first lower retainer is arranged at the bottom of the traction rope and plays a role in supporting the bottom of the traction rope; the first upper retainer covers the top of the traction rope, and the first upper retainer and the first lower retainer are connected and fixed with the traction rope up and down; the first upper retainer and the first lower retainer are respectively provided with an extension section, the extension sections are respectively arranged in the air supply pipeline, and the extension sections are in threaded connection with the air supply pipeline.
The air supply pipeline comprises a plurality of sections of air supply pipes, the adjacent sections of the air supply pipes are communicated through joints to form an integral air supply pipeline, each air supply pipe comprises a corrugated pipe and a steel wire, a continuous thread structure is formed on the pipe wall of each corrugated pipe, and the steel wires are wound on the outer wall of each corrugated pipe along the thread structure; the joint comprises a universal joint and an air outlet joint, and the universal joint and the air outlet joint are arranged at intervals.
The universal joint comprises a universal joint body, wherein first limiting bosses are symmetrically arranged on the universal joint body respectively, the first limiting bosses are annular bosses formed on the surface of the universal joint body, first threads are arranged on the universal joint body outside the first limiting bosses respectively, and the turning directions of the first threads are the same as the turning directions of the thread structures of the connected corrugated pipes.
The air outlet joint comprises an air outlet joint body, second limiting bosses are symmetrically arranged on the air outlet joint body respectively, the second limiting bosses are annular bosses formed on the surface of the air outlet joint body, second threads are arranged on the air outlet joint body arranged on the outer side of the second limiting bosses respectively, and the rotation direction of the second threads is the same as that of a thread structure of a connected corrugated pipe; a plurality of air outlet holes are formed in the air outlet joint body in the circumferential direction.
The haulage rope is located in the air supply pipeline, just air supply pipeline is exposed at haulage rope both ends for the haulage rope runs through air supply pipeline.
The haulage rope is located the outside of air supply pipeline pipe wall, first holder bottom sets up the connector, the connector is located in the air supply pipeline, connector and air supply pipeline threaded connection.
The second erection part comprises two symmetrically-arranged jacking screws, the jacking screws penetrate through the inner wall of the air supply pipeline through air outlet holes, and the jacking screws are in threaded connection with the air outlet holes and are two jacking traction ropes with symmetrical end parts.
The second erection part comprises a retainer, the retainer is hung on a traction rope, two side edges of the retainer are wrapped outside the air supply pipeline, a supporting plate is arranged at the bottom of the air supply pipeline, and the supporting plate is fixedly connected with the two side edges of the retainer.
Compared with the prior art, the utility model has the advantages that: the utility model provides a cable is with pipeline that supplies air erects structure, haulage rope locate the pipeline that supplies air outside or wear to establish in the pipeline that supplies air, haulage rope through erect the detachable fixed connection of unit and pipeline that supplies air, drive the haulage rope and wear inside the main push-towing rope, can install the pipeline that supplies air inside the main push-towing rope, this application simple structure, it is convenient to install, has improved the efficiency of construction.
Drawings
Fig. 1 is a schematic view of an air supply duct erecting structure for a cable according to an embodiment of the present invention (a pulling rope is provided inside the air supply duct);
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic view of an air supply duct erecting structure for a cable according to an embodiment of the present invention (a pulling rope is provided outside the air supply duct);
FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;
FIG. 6 is a schematic view of an air outlet fitting;
FIG. 7 is a schematic view of a universal joint;
in the figure, 1 a first erection component, 1.1 a first upper holder, 1.2 a first lower holder, 2 air supply pipes, 3 traction ropes, 4 air outlet connectors, 4.1 air outlet connector bodies, 4.2 second limiting bosses, 4.3 air outlet holes, 4.4 jacking screws, 5 steel wires, 6 universal connectors, 6.1 universal connector bodies, 6.2 first limiting bosses, 7 connectors, 8 holders and 9 supporting plates are arranged.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the air supply duct erecting structure for a cable in this embodiment includes a pulling rope 3, and the pulling rope 3 is temporarily and fixedly connected to the air supply duct through a detachable erecting unit. The erecting unit comprises first erecting pieces 1 and second erecting pieces, the two first erecting pieces 1 are arranged at two ends of the air supply pipeline, the first erecting piece 1 at one end of the air supply pipeline is a traction head, the first erecting piece 1 at the other end of the air supply pipeline is a fixing head, and the second erecting pieces are arranged in the middle of the air supply pipeline. As shown in fig. 2, the first erection member 1 includes a first upper holder 1.1 and a first lower holder 1.2, the bottom of the first upper holder 1.1 and the top of the first lower holder 1.2 are respectively provided with an arc-shaped groove, and the arc-shaped grooves are matched with the diameter of the hauling rope 3. The first lower retainer 1.2 is arranged at the bottom of the traction rope 3 and plays a role in supporting the bottom of the traction rope 3; the first upper retainer 1.1 covers the top of the traction rope 3, so that the traction rope 3 is wrapped in the first upper retainer 1.1 and the first lower retainer 1.2, and the first upper retainer 1.1 and the first lower retainer 1.2 are connected and fixed with the traction rope up and down through bolts. The first upper holder 1.1 and the first lower holder 1.2 are respectively provided with an extension section, the extension sections are respectively arranged in the air supply pipeline, and the extension sections are in threaded connection with the air supply pipeline, so that the first erection part 1, the traction rope 3 and the air supply pipeline are fixedly connected.
The air supply pipeline comprises a plurality of sections of air supply pipes 2, and the adjacent sections of air supply pipes 2 are communicated through joints to form an integral air supply pipeline. The air supply pipe 2 comprises a corrugated pipe and a steel wire 5, a continuous thread structure is formed on the pipe wall of the corrugated pipe, and the steel wire 5 is wound on the outer wall of the corrugated pipe along the thread structure; forming a spring wire. The joint comprises a universal joint 6 and an air outlet joint 4, and the universal joint 6 and the air outlet joint 4 are arranged at intervals.
As shown in fig. 7, the universal joint 6 includes a universal joint body 6.1, first limiting bosses 6.2 are symmetrically arranged on the universal joint body 6.1, and the first limiting bosses 6.2 are annular bosses formed on the surface of the universal joint body 6.1, and have a limiting effect on the end portions of the steel wires 5 wound on the corrugated pipe, so that the steel wires 5 keep rigid. The end part of the universal joint body 6.1 arranged on the outer side of the first limiting boss 6.2 is provided with first threads respectively, and the first threads are screwed to the same direction as the thread structure of the connected corrugated pipe, so that the corrugated pipe is in threaded connection with the universal joint, and the thread screwing surface is wound with a raw material belt.
As shown in fig. 6, the air outlet joint 4 comprises an air outlet joint body 4.1, a second limit boss 4.2 is symmetrically arranged on the air outlet joint body 4.1, the second limit boss 4.2 is a circumferential boss formed on the surface of the air outlet joint body 4.1, a second thread is arranged at the end of the air outlet joint body 4.1 outside the second limit boss 4.2, and the second thread is screwed to the same thread structure of the connected corrugated pipe, so that the corrugated pipe is in threaded connection with the air outlet joint body 4, and a thread screwing surface is wound with a raw material belt. A plurality of air outlet holes 4.3 are symmetrically arranged on the air outlet joint body 4.1 arranged between the two second limiting bosses 4.2 in the circumferential direction, and the air outlet holes 4.3 enable dry air flowing through the air outlet joint to flow into the main cable.
As shown in fig. 1, in the embodiment of the present invention, the pulling rope 3 is disposed inside the air supply pipeline, and both ends of the pulling rope 3 are exposed out of the air supply pipeline, that is, the pulling rope 3 penetrates through the air supply pipeline. The second erection part comprises two symmetrically-arranged jacking screws 4.4, the jacking screws 4.4 penetrate through air outlet holes 4.3 in the air supply pipeline respectively, the jacking screws 4.4 are in threaded connection with the air outlet holes 4.3, and the two jacking traction ropes 3 are symmetrically arranged at the end parts of the two jacking screws 4.4, so that the second erection part is fixedly connected with the traction ropes 3.
As shown in fig. 4 and 5, the present invention has another erection structure, the hauling rope 3 is arranged outside the inner wall of the air supply pipeline, the bottom of the first lower holder 1.2 is provided with a connector, the connector 7 is arranged on the inner wall of the air supply pipeline, the connector 7 is in threaded connection with the inner wall of the air supply pipeline, so that the first lower holder 1.2 is fixedly connected with the air supply pipeline. The second erection piece arranged in the middle of the air supply pipeline comprises a retainer 8, the retainer 8 is hung on the traction rope 3, two side edges of the retainer 8 wrap the outer side of the air supply pipeline, a supporting plate 9 is arranged at the bottom of the air supply pipeline, and the supporting plate 9 is fixedly connected with the bottoms of the two side edges of the retainer 8 through bolts.
The corrugated pipe is made of a plating layer or a plastic-coated belt, the steel wire is a plating layer or a plastic-coated or plastic-coated steel wire, the steel wire is a hot plating layer with the diameter of 6mm (+/-0.06 mm) or a plastic-coated or plastic-coated steel wire, 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 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. 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 haulage rope passes through detachable unit of erectting and air supply pipe fixed connection, drives inside the haulage rope wears in the main push-towing rope, can be with air supply pipe installation inside the main push-towing rope, this application simple structure, it is convenient to install, has improved the efficiency of construction.
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 (8)
1. The utility model provides a gas supply pipeline erects structure for cable which characterized in that: the device comprises a hauling rope (3), wherein the hauling rope (3) is temporarily and fixedly connected with the air supply pipeline through a detachable erection unit, the erection unit comprises first erection pieces (1) and second erection pieces, the two first erection pieces (1) are arranged at two ends of the air supply pipeline, and the plurality of second erection pieces are arranged in the middle of the air supply pipeline; the first erection component (1) comprises a first upper retainer (1.1) and a first lower retainer (1.2), and the first lower retainer (1.2) is arranged at the bottom of the traction rope (3) and plays a role in supporting the bottom of the traction rope (3); the first upper retainer (1.1) is arranged at the top of the traction rope (3), and the first upper retainer (1.1) and the first lower retainer (1.2) are connected and fixed with the traction rope (3) from top to bottom; the first upper retainer (1.1) and the first lower retainer (1.2) are respectively provided with an extension section, the extension sections are respectively arranged in the air supply pipeline, and the extension sections are in threaded connection with the air supply pipeline.
2. An air supply duct erection structure for a cable as claimed in claim 1, wherein: the air supply pipeline comprises a plurality of sections of air supply pipes (2), adjacent sections of the air supply pipes (2) are communicated through joints to form an integral air supply pipeline, each air supply pipe (2) comprises a corrugated pipe and a steel wire (5), a continuous thread structure is formed on the pipe wall of each corrugated pipe, and the steel wires (5) are wound on the outer wall of each corrugated pipe along the thread structure; the connector comprises a universal connector (6) and an air outlet connector (4).
3. A cable air delivery duct as claimed in claim 2, wherein: the universal joint (6) comprises a universal joint body (6.1), wherein first limiting bosses (6.2) are symmetrically arranged on the universal joint body (6.1) respectively, the first limiting bosses (6.2) are annular bosses formed on the surface of the universal joint body (6.1), first threads are arranged on the universal joint body (6.1) on the outer side of the first limiting bosses (6.2) respectively, and the first threads are screwed to the same direction as the thread structure of the connected corrugated pipe.
4. A cable air delivery duct as claimed in claim 2, wherein: the air outlet joint (4) comprises an air outlet joint body (4.1), second limiting bosses (4.2) are symmetrically arranged on the air outlet joint body (4.1) respectively, the second limiting bosses (4.2) are annular bosses formed on the surface of the air outlet joint body (4.1), second threads are arranged on the air outlet joint body (4.1) on the outer side of each second limiting boss (4.2), and the rotation direction of each second thread is the same as the rotation direction of a thread structure of a connected corrugated pipe; the air outlet joint body (4.1) is provided with a plurality of air outlet holes (4.3).
5. An air supply duct erection structure for a cable as claimed in claim 4, wherein: the traction rope (3) is arranged in the air supply pipeline, and the two ends of the traction rope (3) are exposed out of the air supply pipeline, so that the traction rope (3) penetrates through the air supply pipeline.
6. An air supply duct erection structure for a cable as claimed in claim 1, wherein: the utility model discloses a pipe wall of air supply pipeline, including first holder (1.2), haulage rope (3) are located the pipe wall outside of air supply pipeline, first holder (1.2) bottom sets up connector (7), in air supply pipeline was located in connector (7), connector (7) and air supply pipeline threaded connection.
7. An air supply duct erection structure for a cable as claimed in claim 5, wherein: the second erection part comprises two symmetrically-arranged jacking screws (4.4), the jacking screws (4.4) penetrate through the pipe wall of the air supply pipeline through air outlet holes (4.3), the jacking screws (4.4) are in threaded connection with the air outlet holes (4.3), and two jacking traction ropes (3) are symmetrically arranged at the end parts of the jacking screws (4.4).
8. An air supply duct erection structure for a cable as claimed in claim 6, wherein: the second erection part comprises a retainer (8), the retainer (8) is hung on the traction rope (3), two side edges of the retainer (8) are wrapped outside the air supply pipeline, a supporting plate (9) is arranged at the bottom of the air supply pipeline, and the supporting plate (9) is fixedly connected with two side edges of the retainer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568713.3U CN215522286U (en) | 2021-03-19 | 2021-03-19 | Air supply pipeline erecting structure for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120568713.3U CN215522286U (en) | 2021-03-19 | 2021-03-19 | Air supply pipeline erecting structure for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215522286U true CN215522286U (en) | 2022-01-14 |
Family
ID=79800630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120568713.3U Active CN215522286U (en) | 2021-03-19 | 2021-03-19 | Air supply pipeline erecting structure for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215522286U (en) |
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2021
- 2021-03-19 CN CN202120568713.3U patent/CN215522286U/en active Active
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