CN214271697U - Reinforcing structure at cable clamp of main cable gas transmission pipeline of suspension bridge - Google Patents
Reinforcing structure at cable clamp of main cable gas transmission pipeline of suspension bridge Download PDFInfo
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- CN214271697U CN214271697U CN202022379365.3U CN202022379365U CN214271697U CN 214271697 U CN214271697 U CN 214271697U CN 202022379365 U CN202022379365 U CN 202022379365U CN 214271697 U CN214271697 U CN 214271697U
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Abstract
The utility model relates to a suspension bridge main push-towing rope gas transmission pipeline cable clamp department reinforcing structure, it includes half framework on a left side (31) and half framework on the right side (32), half framework on a left side (31) and the mutual block of right side board framework (32), form lock strand hole (33) between half framework on a left side (31) and half framework on the right side (32). The utility model relates to a suspension bridge main push-towing rope gas transmission pipeline cable clip department reinforcing structure, its simple to operate, stable in structure is reliable, can bear the clamp force of cable clip department, protects gas transmission pipeline's structural integrity and axial continuity.
Description
Technical Field
The utility model relates to a suspension bridge main push-towing rope gas pipeline cable clamp department reinforcing structure belongs to suspension bridge main push-towing rope protection technical field.
Background
The main cable of the suspension bridge is connected with the main tower and the anchor, and the bridge deck is borne by the connecting slings, is one of the most core members in a suspension bridge bearing system, is used as the working state of bridge steel wires of the main bearing members of the main cable of the suspension bridge, and has decisive effect on the safety and the reliability of the operation of the suspension bridge.
The humidity control method of the main cable of the suspension bridge at present is to inject the main cable through an air transmission pipeline and an air inlet cable clamp which are arranged outside the main cable. The inspection and state evaluation of a plurality of suspension bridge main cable systems at home and abroad show that the main cables are internally provided with a certain degree of water accumulation or water seepage, so that bridge steel wires at different positions of the cross section of the main cable are in a state of unbalanced humidity, namely, the humidity of the upper steel wire and the humidity of the lower steel wire, and the humidity of the inner steel wire and the humidity of the surface steel wire are different.
If the gas transmission pipeline is arranged in the cross section of the main cable, the gas transmission pipeline is required to normally work under the extrusion force of surrounding cable strands, especially under the condition that a larger pressing force exists between the cable strands at the cable clamp.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a suspension bridge main push-towing rope gas transmission pipeline cable clip department reinforcing structure is provided to above-mentioned prior art, its simple to operate, stable in structure is reliable, can bear the clamp force of cable clip department, protects gas transmission pipeline's structural integrity and axial continuity.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a reinforcing structure of suspension bridge main push-towing rope gas pipeline cable clamp department, it includes half framework on the left side and half framework on the right side, half framework on the left side and half framework on the right side block each other, form the lock strand hole between half framework on the left side and the half framework on the right side.
Optionally, the left half frame body is open on the right side, and the right half frame body is clamped at the opening position of the left half frame body.
Optionally, the left half frame body is provided with an upper groove and a lower groove along the axial direction on the inner wall close to the opening position, the right half frame body is provided with an upper protruding strip and a lower protruding strip along the axial direction, and the upper protruding strip and the lower protruding strip are respectively clamped in the upper groove and the lower groove.
Optionally, the outer profile cross section of the left half frame body is in a local polygonal shape.
Optionally, the outer contour surface of the left half frame body is in contact with the strand.
Optionally, the outer profile cross section of the right half frame body is arc-shaped or partially polygonal.
Optionally, when the outer profile section of the right half frame body is arc-shaped, the outer profile surface of the right half frame body is in contact with the main cable filling material; when the outer contour section of the right half frame body is in a local polygonal shape, the outer contour surface of the right half frame body is in contact with the cable strands, and the left half frame body and the right half frame body are spliced with each other to form a complete polygon.
Compared with the prior art, the utility model has the advantages of:
the utility model relates to a suspension bridge main push-towing rope gas transmission pipeline cable clip department reinforcing structure, its simple to operate, stable in structure is reliable, can bear the clamp force of cable clip department, protects gas transmission pipeline's structural integrity and axial continuity.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of a main cable of a suspension bridge with an inner gas transmission pipeline according to the present invention.
Fig. 2 is a schematic structural view of embodiment 2 of a main cable of a suspension bridge with an inner gas pipeline according to the present invention.
Fig. 3 is a schematic structural view of embodiment 3 of a main cable of a suspension bridge with an inner gas transmission pipeline according to the present invention.
Fig. 4 is a schematic structural view of embodiment 4 of a main cable of a suspension bridge with an inner gas transmission pipeline according to the present invention.
Fig. 5 is a schematic structural view of embodiment 5 of a main cable of a suspension bridge with an inner gas pipeline according to the present invention.
Fig. 6 is a schematic structural view of embodiment 6 of a main cable of a suspension bridge with an inner gas transmission pipeline according to the present invention.
Fig. 7 is a schematic structural diagram of a high-strength steel strand framework adopted by a gas transmission pipeline.
Fig. 8 is a schematic structural view of a high-strength steel wire mesh framework adopted by the gas transmission pipeline.
Fig. 9 is a schematic view of a reinforcing structure at a cable clamp when a gas pipeline is at the outermost layer.
FIG. 10 is a schematic view of a reinforcement structure at a cable clamp of a gas pipeline at a second outer layer.
Wherein:
rope strand 1
Gas pipeline reinforcing structure 3
Left half frame 31
Right half frame 32
A rib 34.
Detailed Description
As shown in fig. 1 to 10, a main cable of a suspension bridge with an inner gas transmission pipeline in this embodiment includes inner and outer multiple layers of strands 1, wherein a part of the strands 1 in the inner and outer multiple layers of strands 1 is replaced by a gas transmission pipeline 2, and dry air transmitted by the gas transmission pipeline flows from the inside of the main cable to the center of the main cable and bridge steel wires on the surface of the main cable respectively;
the gas transmission pipeline 2 is positioned on the outermost layer or the secondary outer layer;
the section of the main cable formed by the inner and outer layers of strands 1 is in a regular hexagon shape;
the cross section of the cable strand 1 is also hexagonal;
the number of the gas transmission pipelines 2 is 6, 3 or 2;
the size of the cross section of the gas transmission pipeline 2 is basically the same as that of the cross section of the cable strand 1, and the axial strength and the flexibility of the gas transmission pipeline are basically the same as those of the cable strand 1, so that the process of erecting the main cable by adopting a prefabricated parallel cable strand method cannot be influenced;
the gas transmission pipeline 2 comprises a pipeline base body and a reinforcing framework, and the reinforcing framework is sleeved on the pipeline base body;
the pipeline matrix is made of PE, HDPE or basalt;
the reinforced framework adopts a high-strength steel wire strand or a high-strength steel wire mesh;
because the radial bearing capacity of the gas pipeline is lower than that of the steel wire strand of the bridge, a gas pipeline reinforcing structure 3 is arranged at the cable clamp position of the main cable, is made of high-strength weathering steel and is used for bearing the clamping force at the cable clamp position and protecting the structural integrity and the axial continuity of the gas pipeline;
the gas transmission pipeline reinforcing structure 3 comprises a left half frame body 31 and a right half frame body 32, wherein the left half frame body 31 and the right half frame body 32 are mutually clamped, and a locking femoral hole 33 is formed between the left half frame body 31 and the right half frame body 32;
the right side of the left half frame body 31 is provided with an opening, and the right half frame body 32 is clamped at the opening position of the left half frame body 31;
an upper groove 34 and a lower groove 34 are axially formed in the inner wall of the left half frame body 31 close to the opening, an upper protruding strip 35 and a lower protruding strip 35 are axially formed in the right half frame body 32, and the upper protruding strip 35 and the lower protruding strip 35 are respectively clamped in the upper groove 34 and the lower groove 34;
the cross section of the outer contour of the left half frame 31 is in a local polygonal shape;
the outer contour surface of the left half frame body 31 is in contact with the cable strand;
the outer profile section of the right half frame body 32 is in an arc shape or a local polygonal shape;
when the outer profile section of the right half frame body 32 is in an arc shape, the outer profile surface thereof is in contact with the main cable filling material; when the outer profile cross section of the right half frame body 32 is in a partial polygonal shape, the outer profile surface of the right half frame body is in contact with the strand, and at this time, the left half frame body 31 and the right half frame body 32 are spliced with each other to form a complete polygon (regular hexagon).
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a suspension bridge main push-towing rope gas pipeline cable clip department reinforcing structure which characterized in that: the novel frame comprises a left half frame body (31) and a right half frame body (32), wherein the left half frame body (31) and the right half frame body (32) are mutually clamped, and a locking strand hole (33) is formed between the left half frame body (31) and the right half frame body (32).
2. The reinforcing structure at the cable clamp of the main cable gas pipeline of the suspension bridge according to claim 1, wherein: the right side of the left half frame body (31) is provided with an opening, and the right half frame body (32) is clamped at the opening position of the left half frame body (31).
3. The reinforcing structure at the cable clamp of the main cable gas pipeline of the suspension bridge as claimed in claim 2, wherein: two upper and lower recesses (34) are axially arranged on the inner wall close to the opening of the left half frame body (31), two upper and lower protruding strips (35) are axially arranged on the right half frame body (32), and the upper and lower protruding strips (35) are respectively clamped in the upper and lower recesses (34).
4. The reinforcing structure at the cable clamp of the main cable gas pipeline of the suspension bridge according to claim 1, wherein: the outer profile section of the left half frame body (31) is in a local polygonal shape.
5. The reinforcing structure at the cable clamp of the main cable gas pipeline of the suspension bridge as claimed in claim 4, wherein: the outer contour surface of the left half frame body (31) is in contact with the cable strands.
6. The reinforcing structure at the cable clamp of the main cable gas pipeline of the suspension bridge according to claim 1, wherein: the outer profile section of the right half frame body (32) is in an arc shape or a partial polygonal shape.
7. The reinforcing structure at the cable clamp of the main cable gas pipeline of the suspension bridge as claimed in claim 6, wherein: when the outer profile section of the right half frame body (32) is in an arc shape, the outer profile surface of the right half frame body is in contact with the main cable filling material; when the outer profile section of the right half frame body (32) is in a partial polygonal shape, the outer profile surface of the right half frame body is in contact with the strand, and the left half frame body (31) and the right half frame body (32) are spliced to form a complete polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379365.3U CN214271697U (en) | 2020-10-23 | 2020-10-23 | Reinforcing structure at cable clamp of main cable gas transmission pipeline of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022379365.3U CN214271697U (en) | 2020-10-23 | 2020-10-23 | Reinforcing structure at cable clamp of main cable gas transmission pipeline of suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214271697U true CN214271697U (en) | 2021-09-24 |
Family
ID=77773896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022379365.3U Active CN214271697U (en) | 2020-10-23 | 2020-10-23 | Reinforcing structure at cable clamp of main cable gas transmission pipeline of suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214271697U (en) |
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2020
- 2020-10-23 CN CN202022379365.3U patent/CN214271697U/en active Active
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