CN118167112A - Tower stay cable structure with stable nodes and assembling method - Google Patents
Tower stay cable structure with stable nodes and assembling method Download PDFInfo
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- CN118167112A CN118167112A CN202211588183.4A CN202211588183A CN118167112A CN 118167112 A CN118167112 A CN 118167112A CN 202211588183 A CN202211588183 A CN 202211588183A CN 118167112 A CN118167112 A CN 118167112A
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- tower
- plate
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- tower column
- cable
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000011372 high-strength concrete Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/20—Side-supporting means therefor, e.g. using guy ropes or struts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/341—Arrangements for casting in situ concrete towers or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The tower stay cable structure with stable nodes comprises a cylindrical tower column, a pair of clamping grooves are formed in the tower column along the axial direction, a connecting arc plate is clamped in the clamping grooves, a plurality of cable holes are formed in the connecting arc plate, the cable holes are symmetrically distributed along the axis of the tower column, stay cables are connected to the cable holes, a stiffening auxiliary plate is fixedly connected to the connecting arc plate, and the stiffening auxiliary plate is located in the inner cavity of the tower column. The method comprises the steps of firstly processing a connecting arc plate and a tower column, welding the connecting arc plate and the tower column, then welding and fixing a stiffening auxiliary plate, an inner sealing plate and the tower column, pouring concrete into the tower column, sealing by a top plate, penetrating a stay cable into a cable hole for fixing, and welding the tower column and a cross rod to obtain the tower stay cable structure. The tower stay cable structure with stable joints and the assembling method improve the stability of the tower stay cable structure, reduce the stress concentration of the joint welding seam of the tower connecting plate, reduce the on-site welding workload, improve the construction efficiency and ensure that the joints are safer and more reliable.
Description
Technical Field
The invention belongs to the technical field of oilfield pipeline stay cable crossing equipment, and particularly relates to a tower stay cable structure with stable nodes.
Background
With the safety upgrading and reconstruction of oil and gas field pipelines, more and more large and medium pipeline spans are designed for production tasks, and the newly-built large and medium spans mostly adopt suspension cable spans, but when the large and medium spans are spanned by mountain heads, the suspension cable spans cannot be implemented due to narrow mountain head space, so that the suspension cable spans can be carried out.
However, when the existing stay cable is connected with the steel tower, the connecting arc plate is directly welded on the surface of the steel tower, when wind load and horizontal earthquake action are encountered, the force generated by shaking can directly act on the joint position, and the joint at the welding position needs to bear larger tensile force, shearing force and torque, so that the joint can be damaged before the whole structural member, and once the joint is damaged, the whole structural member can be correspondingly damaged because of no supporting joint, and the loss is enlarged.
Disclosure of Invention
The invention aims to provide a tower stay cable structure with stable joints, which improves the stability of the tower stay cable structure and reduces the stress concentration of joints of a tower connecting plate.
The invention further aims to provide an assembly method of the tower stay cable structure with stable joints, which reduces the on-site welding workload and improves the construction efficiency.
The first technical scheme adopted by the invention is that the tower stay cable structure with stable nodes comprises a cylindrical tower column, a pair of clamping grooves are formed in the tower column along the axial direction, a connecting arc plate is clamped in the clamping grooves, a plurality of stay cable holes are formed in the connecting arc plate and symmetrically distributed along the axis of the tower column, stay cables are connected with the stay cable holes, a stiffening auxiliary plate is fixedly connected with the connecting arc plate, and the stiffening auxiliary plate is positioned in the inner cavity of the tower column.
The first aspect of the present invention is also characterized in that,
The stiffening aid plates are at least two, are vertically fixedly connected with the connecting arc plates, and are fixedly connected with the inner wall of the tower column.
The connection arc plate is provided with a circular arc chamfer at one side with the inhaul cable hole, and the inhaul cable holes are uniformly distributed along the circumferential direction of the circular arc chamfer.
The inner cavity of the tower column is fixedly connected with an inner sealing plate, the inner sealing plate is parallel to the cross section of the tower column, one end of the tower column is fixedly connected with a top plate, and the connecting arc plate and the stiffening auxiliary plate are positioned between the inner sealing plate and the top plate.
And concrete is arranged between the inner sealing plate and the top plate, and the concrete is high-strength concrete.
One end of the tower column, which is far away from the clamping groove, is connected with a cross rod through a penetration welding line, and the axis of the cross rod is perpendicular to the axis of the tower column.
The second technical scheme adopted by the invention is that the assembly method of the tower stay cable structure with stable nodes comprises the following specific steps:
Step 1, processing a circular arc chamfer of a connecting arc plate, milling a inhaul cable hole, embedding an inner sealing plate in a tower column, adopting welding, fixing and sealing, and axially opening a pair of clamping grooves from one end of the tower column;
step 2, clamping the connecting arc plate in the step 1 with a tower column along the clamping groove position, and fixing the connecting position by welding;
step 3, embedding two stiffening auxiliary plates into the inner cavity of the tower column, and connecting the stiffening auxiliary plates with the connecting arc plates and the tower column through welding;
step 4, high-strength concrete is injected into the tower column in the step 3, and then the top plate is connected with one end of the tower column and sealed through welding;
And 5, penetrating and fixing the stay cable into the cable hole, and connecting the cross rod to one end, far away from the top plate, of the tower column by adopting a penetration welding line, so as to obtain the tower stay cable.
The second solution of the invention is also characterized in that,
Step 1, opening and taking the cable holes, wherein the arc chamfer is used as the center of a circle, and the interval angles of adjacent cable holes are equal.
In the step 1, the opening width of the clamping groove is not smaller than the width of the connecting arc plate.
The invention has the advantages that,
(1) According to the tower stay cable structure, the inserted connecting arc plates are adopted, the stiffening rib plates are arranged, lateral supporting rigidity is provided, high-strength concrete is poured, the integral stress of the node is guaranteed, the problem of stress concentration in the area of the connecting node of the traditional stay cable and the steel tower is effectively reduced, the risk that the node is damaged before a structural member under the working conditions of wind load and horizontal earthquake is reduced, and the integral stability of the connecting structure is improved.
(2) The method for assembling the tower stay cable structure adopts engineering prefabrication, can be used for directly assembling on site, reduces the on-site workload, saves time and labor, and improves the construction efficiency.
Drawings
FIG. 1 is a schematic illustration of the structure of a node stabilized tower stay cable structure of the present invention;
FIG. 2 is a top view of the node stabilized tower stay cable structure of the present invention;
FIG. 3 is a schematic illustration of the structure of a stiffening fluxing plate in a node stabilized tower stay cable structure of the present invention.
In the figure, a tower column 1, stay cables 2, a connecting arc plate 3, an inner sealing plate 4, a top plate 5, a stiffening auxiliary plate 6, a cross rod 7, a cable hole 8, concrete 9, a clamping groove 10 and an arc chamfer 11.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
Example 1
The tower stay cable structure with stable nodes is shown in fig. 1, and comprises a cylindrical tower column 1, wherein a pair of clamping grooves 10 are formed in the tower column 1 along the axial direction, a connecting arc plate 3 is clamped in the pair of clamping grooves 10, a plurality of cable holes 8 are formed in the connecting arc plate 3, the plurality of cable holes 8 are symmetrically distributed along the axis of the tower column 1, stay cables 2 are connected with the cable holes 8, a stiffening aid plate 6 is fixedly connected with the connecting arc plate 3, and the stiffening aid plate 6 is positioned in the inner cavity of the tower column 1.
Preferably, a pair of clamping grooves 10 are positioned at two ends of the diameter of the tower column 1, so that when the connecting arc plates 3 are connected, the stress is prevented from shifting to one side of the tower column 1 when the wind load and the horizontal earthquake act.
Example 2
Including cylindric column 1, column 1 axially opens has a pair of draw-in groove 10, and the joint has connection arc board 3 in a pair of draw-in groove 10, and it has a plurality of cable hole 8 to open on the connection arc board 3, and a plurality of cable hole 8 is along column 1 axis symmetric distribution, and cable hole 8 is connected with suspension cable 2, and connection arc board 3 rigid coupling has stiffening aid plate 6, and stiffening aid plate 6 is located column 1 inner chamber.
Preferably, at least two stiffening aid plates 6 are arranged, the two stiffening aid plates 6 are vertically fixedly connected with the connecting arc plate 3, and the stiffening aid plates 6 are fixedly connected with the inner wall of the tower column 1. The stiffening rib plates are arranged, lateral supporting rigidity is provided, high-strength concrete is poured, the integral stress of the node is guaranteed, the problem of stress concentration in the joint area of the traditional inhaul cable and the steel tower is effectively reduced, the risk that the node is damaged before a structural member under the working condition of wind load or horizontal earthquake is reduced, and the integral stability of the connecting structure is improved.
As shown in fig. 3, the stiffening auxiliary plate 6 is rectangular as a whole, and two adjacent corners on one side are chamfered.
Example 3
Including cylindric column 1, column 1 axially opens has a pair of draw-in groove 10, and the joint has connection arc board 3 in a pair of draw-in groove 10, and it has a plurality of cable hole 8 to open on the connection arc board 3, and a plurality of cable hole 8 is along column 1 axis symmetric distribution, and cable hole 8 is connected with suspension cable 2, and connection arc board 3 rigid coupling has stiffening aid plate 6, and stiffening aid plate 6 is located column 1 inner chamber.
The connection arc plate 3 is provided with a circular arc chamfer at one side with the cable hole 8, and the cable hole 8 is uniformly distributed along the circumferential direction of the circular arc chamfer.
Preferably, at least two stiffening auxiliary plates 6 are arranged, one side of each stiffening auxiliary plate 6 is vertically fixedly connected with the corresponding connecting arc plate 3, lateral support is provided for the corresponding connecting arc plate 3, the lateral support rigidity of the structure is improved, the other side of each stiffening auxiliary plate 6 is fixedly connected with the inner wall of the tower column 1, the connecting arc plate 3 is prevented from crossing cross wind, and torsion buckling instability is avoided out of plane.
As shown in fig. 3, the stiffening auxiliary plate 6 is rectangular as a whole, and two adjacent corners on one side are chamfered.
Example 4
Including cylindric column 1, column 1 axially opens has a pair of draw-in groove 10, and the joint has connection arc board 3 in a pair of draw-in groove 10, and it has a plurality of cable hole 8 to open on the connection arc board 3, and a plurality of cable hole 8 is along column 1 axis symmetric distribution, and cable hole 8 is connected with suspension cable 2, and connection arc board 3 rigid coupling has stiffening aid plate 6, and stiffening aid plate 6 is located column 1 inner chamber.
An inner cavity of the tower column 1 is fixedly connected with an inner sealing plate 4, the inner sealing plate 4 is parallel to the cross section of the tower column 1, one end of the tower column 1 is fixedly connected with a top plate 5, the top plate 5 is circular, the diameter of the top plate 5 is not smaller than the outer diameter of the tower column 1, the rigidity of a node is increased, and the node is prevented from being damaged by stress concentration of a stay cable; the connecting arc plate 3 and the stiffening auxiliary plate 6 are positioned between the inner sealing plate 4 and the top plate 5; and concrete 9 is further arranged between the inner sealing plate 4 and the top plate 5, wherein the concrete 9 is high-strength concrete, and the high-strength concrete is concrete 9 with the strength grade of C60 or more.
The connection arc plate 3 is provided with a circular arc chamfer at one side with the cable hole 8, and the cable hole 8 is uniformly distributed along the circumferential direction of the circular arc chamfer.
As shown in fig. 2, one end of the tower column 1, which is far away from the clamping groove 10, is connected with a cross rod 7 through a penetration weld, and the axis of the cross rod 7 is perpendicular to the axis of the tower column 1.
Preferably, at least two stiffening auxiliary plates 6 are arranged, one side of each stiffening auxiliary plate 6 is vertically and fixedly connected with the connecting arc plate 3, lateral support is provided for the connecting arc plate 3, the lateral support rigidity of the structure is improved, and the other side of each stiffening auxiliary plate 6 is fixedly connected with the inner wall of the tower column 1.
As shown in fig. 3, the stiffening auxiliary plate 6 is rectangular as a whole, and two adjacent corners on one side are chamfered.
The assembly method of the tower stay cable structure with stable nodes comprises the following specific steps:
Step 1, processing arc chamfer angles of the connecting arc plate 3 and opening inhaul cable holes 8, wherein the inhaul cable holes 8 take the arc chamfer angles as circle centers, the interval angles of adjacent inhaul cable holes 8 are equal, an inner sealing plate 4 is embedded into a tower column 1 and is sealed by welding, a pair of clamping grooves 10 are axially opened from one end of the tower column 1, the opening width of the clamping grooves 10 is not smaller than the width of the connecting arc plate 3, rectangular stiffening auxiliary plates 6 are selected, and two adjacent corners on one side are processed into chamfer angles;
Step 2, the connecting arc plate 3 in the step 1 is clamped with the tower column 1 along the position of the clamping groove 10, the connecting position is fixed by welding, and the blank position on the clamping groove 10 is filled by welding through plates, so that the integral sealing effect of the tower column 1 is ensured, and the leakage of the post concrete 9 at the back is avoided;
step 3, embedding two stiffening auxiliary plates 6 into the inner cavity of the tower column 1, and connecting the stiffening auxiliary plates 6 with the connecting arc plate 3 and the tower column 1 through welding;
Step 4, high-strength concrete is injected into the tower column 1 in the step 3, and then the top plate 5 is connected with one end of the tower column 1 through welding for sealing;
and 5, penetrating and fixing the stay cable 2 into the cable hole 8, and connecting the cross rod 7 to one end, far away from the top plate 5, of the tower column 1 by adopting a penetration welding line, so as to obtain the tower stay cable.
In the step 1, the plates and the tower columns 1 are prefabricated and machined in a factory, and then are pulled to the site for assembly, so that the welding workload on the site is reduced, the design is simple, errors are avoided during machining, the working efficiency is improved, and the cost is saved.
Claims (9)
1. The utility model provides a firm pylon suspension cable structure of node, its characterized in that, including cylindric column (1), column (1) is opened along the axial has a pair of draw-in groove (10), a pair of joint has connection arc board (3) in draw-in groove (10), it has a plurality of cable hole (8) to open on arc board (3), a plurality of cable hole (8) are along column (1) axis symmetric distribution, cable hole (8) are connected with suspension cable (2), connection arc board (3) rigid coupling has stiffening aid board (6), stiffening aid board (6) are located column (1) inner chamber.
2. The tower stay cable structure with stable nodes according to claim 1, wherein at least two stiffening auxiliary plates (6) are arranged, the stiffening auxiliary plates (6) are vertically fixedly connected with the connecting arc plates (3), and the stiffening auxiliary plates (6) are fixedly connected with the inner wall of the tower column (1).
3. The tower stay cable structure with stable nodes according to claim 2, wherein the side, provided with the cable holes (8), of the connecting arc plate (3) is provided with arc chamfers, and the cable holes (8) are uniformly distributed along the circumference of the arc chamfers.
4. A tower stay cable structure with stable nodes according to claim 3, wherein the inner cavity of the tower column (1) is fixedly connected with an inner sealing plate (4), the inner sealing plate (4) is parallel to the cross section of the tower column (1), one end of the tower column (1) is fixedly connected with a top plate (5), and the connecting arc plate (3) and the stiffening auxiliary plate (6) are positioned between the inner sealing plate (4) and the top plate (5).
5. The tower stay cable structure with stable joints according to claim 4, wherein a concrete (9) is arranged between the inner sealing plate (4) and the top plate (5), and the concrete (9) is high-strength concrete.
6. The tower stay cable structure with stable joints according to any one of claims 1-5, wherein one end of the tower column (1) far away from the clamping groove (10) is connected with a cross rod (7) through a penetration weld, and the axis of the cross rod (7) is perpendicular to the axis of the tower column (1).
7. The assembling method of the tower stay cable structure with stable nodes is characterized by comprising the following specific steps:
Step 1, machining a circular arc chamfer of a connecting arc plate (3) and milling a inhaul cable hole (8), embedding an inner sealing plate (4) in a tower column (1) and adopting welding, fixing and sealing, and axially opening a pair of clamping grooves (10) from one end of the tower column (1);
Step 2, clamping the connecting arc plate (3) in the step 1 with the tower column (1) along the position of the clamping groove (10), and fixing the connecting position by welding;
step 3, embedding two stiffening auxiliary plates (6) into the inner cavity of the tower column (1), and connecting the stiffening auxiliary plates (6) with the connecting arc plate (3) and the tower column (1) through welding;
Step 4, high-strength concrete is injected into the tower column (1) in the step 3, and then a top plate (5) is connected with one end of the tower column (1) and sealed by welding;
And 5, penetrating and fixing the stay cable (2) into the cable hole (8), and connecting the cross rod (7) to one end, far away from the top plate (5), of the tower column (1) by adopting a penetration welding line, so as to obtain the tower stay cable.
8. The method for assembling the node-stabilized tower stay cable structure according to claim 7, wherein the step 1 is characterized in that the cable holes (8) are opened and taken by taking the circular arc chamfer as the center of a circle, and the interval angles of adjacent cable holes (8) are equal.
9. The method for assembling a node-stabilized tower stay cable structure according to claim 7, wherein the opening width of the clamping groove (10) in the step 1 is not smaller than the width of the connecting arc plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211588183.4A CN118167112A (en) | 2022-12-09 | 2022-12-09 | Tower stay cable structure with stable nodes and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211588183.4A CN118167112A (en) | 2022-12-09 | 2022-12-09 | Tower stay cable structure with stable nodes and assembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118167112A true CN118167112A (en) | 2024-06-11 |
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ID=91349163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211588183.4A Pending CN118167112A (en) | 2022-12-09 | 2022-12-09 | Tower stay cable structure with stable nodes and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118167112A (en) |
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2022
- 2022-12-09 CN CN202211588183.4A patent/CN118167112A/en active Pending
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