CN216891989U - Suspension bridge main push-towing rope method construction steel wire anchor - Google Patents
Suspension bridge main push-towing rope method construction steel wire anchor Download PDFInfo
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- CN216891989U CN216891989U CN202121048973.4U CN202121048973U CN216891989U CN 216891989 U CN216891989 U CN 216891989U CN 202121048973 U CN202121048973 U CN 202121048973U CN 216891989 U CN216891989 U CN 216891989U
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Abstract
The utility model relates to a steel wire anchoring device for construction of a suspension bridge main cable by a spinning method, which at least comprises two movable rods, two fixed rods, eight-wire clamps, four-wire clamps, a rigging screw buckle, an upper steel wire clamp, a lower steel wire clamp, a steel wire rope, a catwalk large cross beam, a catwalk rope and a cross rod, wherein the two movable rods and the two fixed rods are connected up and down to respectively form two vertical rods; two ends of the top of the movable rod of each upright rod are respectively connected with two steel wire ropes through a rigging screw thread, an upper steel wire rope clamp and a lower steel wire rope clamp in a diagonal manner to form a straight-side triangle which is symmetrical left and right by taking the upright rod as a center; the upper end of each steel wire rope is fixed on the top of the movable rod through a rigging screw buckle, and the lower end of each steel wire rope is fixed on the catwalk rope through a lower steel wire rope clamp; eight-wire clamping devices are further fixed to the top of each movable rod, two groups of four-wire clamping devices are fixed to the cross rods, and the two vertical rods are symmetrically arranged with respect to the central line of the catwalk.
Description
Technical Field
The utility model relates to the technical field of construction of main cables of suspension bridges, in particular to a steel wire anchoring device for construction of a main cable of a suspension bridge by a spinning method, which is used for anchoring strand steel wires in construction of the main cable of the suspension bridge by an air spinning method (AS method).
Background
The erection construction method of the main cable of the suspension bridge comprises a prefabricated parallel steel wire strand method (PPWS method) and an air spinning method (AS method), wherein the PPWS method is a method for prefabricating parallel steel wire bundles into strands for erection construction, and the AS method is a method for independently erecting the steel wires by back-and-forth drawing to form the strands. The main cable wires need to maintain a constant tension during the wire back and forth pulling process. Need carry out the steel wire and hang anchor operation when the steel wire reachs the anchorage, this in-process, need anchor the steel wire in order to prevent that steel wire tension from appearing changing and influencing main cable and erect the precision.
When the steel wire is initially spun, the initial wire head of the steel wire needs to be anchored, so that the steel wire anchoring device simultaneously plays a role in anchoring the initial wire head. The PPWS method is a method for constructing the main cable by the whole cable strand, and the problem of steel wire anchoring does not exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel wire anchoring device for construction of a main cable of a suspension bridge by a spinning method, which aims to solve the problem of tension change of strand steel wires caused by related operation of main cable steel wires in an erection process during construction of a main cable by an AS method.
The utility model aims to realize that the steel wire anchoring device for the construction of the main cable of the suspension bridge by the spinning method at least comprises two movable rods, two fixed rods, eight-wire clamps, four-wire clamps, rigging turnbuckles, upper steel wire rope clamps, lower steel wire rope clamps, steel wire ropes, a catwalk large cross beam, catwalk ropes and cross rods, wherein the two movable rods and the two fixed rods are connected up and down to respectively form two upright rods; two ends of the top of the movable rod of each upright rod are respectively connected with two steel wire ropes through a rigging screw thread, an upper steel wire rope clamp and a lower steel wire rope clamp in a diagonal manner to form a straight-side triangle which is symmetrical left and right by taking the upright rod as a center; the upper end of each steel wire rope is fixed on the top of the movable rod through a rigging screw buckle, and the lower end of each steel wire rope is fixed on the catwalk rope through a lower steel wire rope clamp; eight-wire clamping devices are further fixed to the top of each movable rod, two groups of four-wire clamping devices are fixed to the cross rods, and the two vertical rods are symmetrically arranged with respect to the central line of the catwalk.
The eight-wire clamping devices are fixed at the top of the movable rod through welding or screwing and a clamp, and the two groups of eight-wire clamping devices are symmetrically distributed by taking the central line of the catwalk as a center line.
The movable rod and the fixed rod are vertically positioned and fixed through a bolt, the fixed rod forms a structure with adjustable height at the bottom and the top of the movable rod, and the two groups of four-wire clamping devices are positioned at two sides of the central line of the cross rod.
U bolts are arranged on the catwalk crossbeam positioned outside the two vertical rods, and the catwalk crossbeam is connected with a catwalk rope through the U bolts; in the bilaterally symmetrical straight-edge triangle, two steel wire ropes are respectively positioned on the oblique edges of the straight-edge triangle, the upper ends of the two oblique edges are respectively fixed with the upper ends of the left and right movable rods, and the lower ends of the oblique edges draw the large cross beam of the catwalk through the catwalk rope.
The two fixing rods are connected with the cross rod to form an H-shaped structure, the bottom of each fixing rod is provided with a connecting bottom plate, and the left and right connecting bottom plates are fixedly connected with the catwalk large cross beam.
The fixed rod and the movable rod are square steel pipes, and the caliber of the square steel pipe of the movable rod is smaller than that of the square steel pipe of the fixed rod.
The upper ends of the two fixed rods are respectively connected with a movable rod, the movable rod or an adjusting rod, the movable rod or the adjusting rod is inserted into the upper cylinder of the fixed rod, the top of the movable rod is connected with a connecting top plate and a lock screw buckle connecting plate, the connecting top plate is fixed at the upper end of the lock screw buckle connecting plate, the lock screw buckle connecting plate and the movable rod are connected into a T-shaped structure, and the lock screw buckle connecting plate and the movable rod are fixed through bolts; bolt holes are distributed in the length direction of the rod body of the movable rod at intervals, and the position of the movable rod is changed through the bolt holes.
The movable rod and the fixed rod are rectangular steel pipes, 8 bolt holes are evenly formed in the movable rod, the rectangular pipe diameter of the movable rod is smaller than that of the fixed rod, the movable rod is inserted into the fixed rod during use, the height required by actual use is adjusted, and then the movable rod and the fixed rod are fixed in the bolt holes through bolts and nuts.
The utility model has the advantages that:
(1) the structure is simple, the assembly and disassembly are convenient, the requirement of stress stability can be met, and the use safety is ensured.
(2) The height of the anchor is adjustable, and the anchor is suitable for anchoring main cable steel wires with different heights during erection.
(3) The rigging turnbuckle is arranged to adjust the length of the anchoring steel wire rope, so that the reliability of the traction of the steel wire rope is ensured, and the safety of the anchoring device is improved.
(4) The four-wire clamping device and the eight-wire clamping device have the characteristic of being fast assembled and disassembled when clamping steel wires, and the construction efficiency in practical use is guaranteed.
Drawings
The utility model will be further described, but not limited, by reference to the accompanying drawings, which illustrate embodiments of the utility model:
FIG. 1 is a front view of the structure of a steel wire anchoring device;
FIG. 2 is a side view of the wire anchor arrangement;
FIG. 3 is a view showing a structure of a fixing lever;
FIG. 4 is a view of the movable bar structure;
fig. 5 is a schematic view of a practical application of the steel wire anchoring device.
In the figure, 1, a movable rod; 2. fixing the rod; 3. eight-wire clamping devices; 4. a four-wire clamp; 5. a rigging turnbuckle; 6. a steel wire rope clamp is arranged; 7. a lower wire rope clamp; 8. a wire rope; 9. a catwalk large cross beam; 10. a catwalk rope; 11. a cross bar; 12. a left upright stanchion and a right upright stanchion; 13. connecting the bottom plate; 14. connecting the top plate; 15. a bolt; 16. bolt holes; 17. tool to lock turnbuckle connecting plate.
Detailed Description
Example 1
A steel wire anchoring device for construction of a suspension bridge main cable by a spinning method is disclosed, as shown in figures 1 and 2, figure 1 is a front view of the structure of the steel wire anchoring device, figure 2 is a side view of the structure of the steel wire anchoring device, the device at least comprises a movable rod 1, a fixed rod 2, an eight-wire clamp 3, a four-wire clamp 4, a rigging screw buckle 5, an upper steel wire clamp 6, a lower steel wire clamp 7, a steel wire rope 8, a catwalk large cross beam 9, a catwalk rope 10 and a cross rod 11, two movable rods 1 and two fixed rods 2 are connected up and down to respectively form two upright rods 12, the cross rod 11 is vertically connected between the fixed rods 2 of the two upright rods 12, and the bottoms of the two fixed rods 2 are connected with the catwalk large cross beam 9; two ends of the top of the movable rod 1 of each upright rod 12 are respectively connected with two steel wire ropes 8 through a rigging screw thread 5, an upper steel wire rope clamp 6 and a lower steel wire rope clamp 7 in a diagonal manner to form a straight-side triangle which is symmetrical left and right by taking the upright rod 12 as a center; the upper end of each steel wire rope 8 is fixed on the top of the movable rod 1 through a rigging turnbuckle 5, and the lower end of each steel wire rope is fixed on the catwalk rope 10 through a lower steel wire rope clamp 7; eight-wire clamping devices 3 are further fixed to the top of each movable rod 1, two groups of four-wire clamping devices 4 are fixed to the cross rods 11, and the two vertical rods 12 are symmetrically arranged with respect to the central line of the catwalk.
Further, eight silk thread grippers 3 are fixed at the top of movable rod 2 through welding or spiral and anchor clamps, and two sets of eight silk thread grippers 3 use catwalk central line as the symmetric distribution. The eight-wire clamping device 3 is used for anchoring steel wires in the process of erecting a main cable and ensuring constant tension in the process of hanging the steel wires with anchors.
Further, as shown in fig. 2, the movable rod 1 and the fixed rod 2 are vertically positioned and fixed by bolts, the fixed rod 2 forms a height-adjustable structure at the bottom and the movable rod 1 at the top, and two groups of four-wire clamping devices 4 are positioned at two sides of the central line of the cross rod 11 and used for anchoring the initial steel wire to ensure the constant tension of the initial steel wire.
Further, U-bolts are arranged on the catwalk crossbeam 9 positioned outside the two upright posts 12, and the catwalk crossbeam 9 is connected with the catwalk rope 10 through the U-bolts; because the steel wire ropes have certain tension, in order to prevent the steel wire anchoring device from toppling over due to the traction of the steel wire ropes, the two steel wire ropes 8 are respectively positioned on the inclined edges of the straight-edge triangles in the bilateral symmetry, the upper ends of the two inclined edges are respectively fixed with the upper ends of the left and right movable rods 2, and the lower ends of the inclined edges realize the traction of the catwalk large cross beam 9 through the catwalk ropes 10.
Further, as shown in fig. 3, the two fixing rods 2 and the cross rod 11 are connected to form an H-shaped structure, the bottom of the two fixing rods 2 is provided with a connecting bottom plate 13, and the left and right connecting bottom plates 13 are fixedly connected with the catwalk crossbeam 9.
Further, as shown in fig. 4, the upper ends of the two fixed rods 2 are respectively connected with a movable rod 1, the movable rod 1 or an adjusting rod, the movable rod 1 or the adjusting rod is inserted into the upper cylinder of the fixed rod 2, the top of the movable rod 1 is connected with a connecting top plate 14 and a lock turnbuckle connecting plate 17, the connecting top plate 14 is fixed at the upper end of the lock turnbuckle connecting plate 17, the lock turnbuckle connecting plate 17 and the movable rod 1 are connected into a T-shaped structure, and the two are fixed through a bolt 15; bolt holes 16 are distributed at intervals in the length direction of the movable rod 1, and the position of the movable rod 1 is changed through the bolt holes 16.
Preferably, the fixed rod 2 and the movable rod 1 are round steel pipes, and the caliber of the steel pipe of the movable rod 1 is smaller than that of the steel pipe of the fixed rod. When the device is used, the movable rod 2 is inserted into the fixed rod 1, the height required by actual use is adjusted, and then the fixed rod 1 and the movable rod 2 are fixed by adjusting the fixed rod 1 and the movable rod 2 at the bolt hole by using bolts and nuts.
Example 2
On the basis of embodiment 1, the difference lies in that, movable rod 1 and dead lever 2 are the rectangle steel pipe, evenly are provided with 8 bolt holes on the movable rod 1, and the rectangle pipe bore of movable rod 1 is less than the rectangle pipe bore of dead lever 2, injects movable rod 1 into dead lever 2 during the use in, adjusts the required height of in-service use, then adjusts dead lever 2 and movable rod 1 with the bolt and nut and fixes it in bolt hole department.
The difference between example 2 and example 1 is that the former is a circular tube structure and the latter is a square tube structure.
During actual use, the starting thread head is anchored in the four-wire clamp 4, maintaining its constant tension. When the main cable steel wire is erected back and forth to reach the anchorage to carry out steel wire anchoring operation, the steel wire is anchored at the eight-wire clamping device 3, so that constant tension of the steel wire is ensured, and the accuracy of steel wire erection is not influenced. The practical application of the steel wire anchoring device is shown in fig. 5.
The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.
Claims (8)
1. The utility model provides a suspension bridge main push-towing line method construction steel wire anchor, characterized by: the device at least comprises a movable rod (1), a fixed rod (2), an eight-wire clamp (3), a four-wire clamp (4), a rigging screw thread (5), an upper steel wire rope clamp (6), a lower steel wire rope clamp (7), a steel wire rope (8), a catwalk large beam (9), a catwalk rope (10) and a cross rod (11), wherein the two movable rods (1) and the two fixed rods (2) are connected up and down to form two upright rods (12), the cross rod (11) is vertically connected between the fixed rods (2) of the two upright rods (12), and the bottoms of the two fixed rods (2) are connected with the catwalk large beam (9); two ends of the top of the movable rod (1) of each upright rod (12) obliquely pull two steel wire ropes (8) into a straight-side triangle which is symmetrical left and right by taking the upright rod (12) as a center through a rigging screw buckle (5), an upper steel wire rope clamp (6) and a lower steel wire rope clamp (7); the upper end of each steel wire rope (8) is fixed on the top of the movable rod (1) through a rigging screw (5), and the lower end of each steel wire rope is fixed on the catwalk rope (10) through a lower steel wire rope clamp (7); eight-wire clamping devices (3) are further fixed to the top of each movable rod (1), two groups of four-wire clamping devices (4) are fixed to the cross rod (11), and the two vertical rods (12) are symmetrically arranged with respect to the central line of the catwalk.
2. The suspension bridge main cable spinning method construction steel wire anchoring device according to claim 1, characterized in that: the eight-wire clamping devices (3) are fixed at the top of the movable rod (1) through welding or screwing and a clamp, and the two groups of eight-wire clamping devices (3) are symmetrically distributed by taking the central line of the catwalk as a center line.
3. The suspension bridge main cable spinning method construction steel wire anchoring device according to claim 1, characterized in that: the movable rod (1) and the fixed rod (2) are vertically positioned and fixed through bolts, the fixed rod (2) forms a structure with adjustable height at the bottom and the top of the movable rod (1), and the two groups of four-wire clamping devices (4) are positioned on two sides of the central line of the transverse rod (11).
4. The suspension bridge main cable spinning method construction steel wire anchoring device of claim 1, which is characterized in that: u bolts are arranged on the catwalk crossbeam (9) positioned on the outer sides of the two vertical rods (12), and the catwalk crossbeam (9) is connected with a catwalk rope (10) through the U bolts; in the bilaterally symmetrical straight-edge triangle, the two steel wire ropes (8) are respectively positioned on the inclined edges of the straight-edge triangle, the upper ends of the two inclined edges are respectively fixed with the upper ends of the left and right movable rods (1), and the lower ends of the inclined edges draw the catwalk large cross beam (9) through the catwalk rope (10).
5. The suspension bridge main cable spinning method construction steel wire anchoring device according to claim 1, characterized in that: the two fixing rods (2) are connected with the cross rod (11) to form an H-shaped structure, a connecting bottom plate (13) is arranged at the bottom of each fixing rod (2), and the left and right connecting bottom plates (13) are fixedly connected with the catwalk large cross beam (9).
6. The suspension bridge main cable spinning method construction steel wire anchoring device according to claim 1, characterized in that: the fixed rod (2) and the movable rod (1) are square steel pipes, and the caliber of the square steel pipe of the movable rod (1) is smaller than that of the square steel pipe of the fixed rod (2).
7. The suspension bridge main cable spinning method construction steel wire anchoring device according to claim 1, characterized in that: the upper ends of the two fixed rods (2) are respectively connected with a movable rod (1), the movable rod (1) or an adjusting rod is inserted into an upper cylinder of the fixed rod (2), the top of the movable rod (1) is connected with a connecting top plate (14) and a lock turnbuckle connecting plate (17), the connecting top plate (14) is fixed at the upper end of the lock turnbuckle connecting plate (17), the lock turnbuckle connecting plate (17) is connected with the movable rod (1) to form a T-shaped structure, and the two are fixed through a bolt (15); bolt holes (16) are distributed in the length direction of the rod body of the movable rod (1) at intervals, and the position of the movable rod (1) is changed through the bolt holes (16).
8. The suspension bridge main cable spinning method construction steel wire anchoring device of claim 1, which is characterized in that: activity pole (1) and dead lever (2) be the rectangle steel pipe, evenly be provided with 8 bolt holes (16) on activity pole (1), the rectangle pipe diameter of activity pole (1) is less than the rectangle pipe diameter of dead lever (2), inject activity pole (1) during the use in dead lever (2), adjust the required height of in-service use, then with bolt and nut adjust activity pole (1) and dead lever (2) and fix it in bolt hole department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121048973.4U CN216891989U (en) | 2021-05-17 | 2021-05-17 | Suspension bridge main push-towing rope method construction steel wire anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121048973.4U CN216891989U (en) | 2021-05-17 | 2021-05-17 | Suspension bridge main push-towing rope method construction steel wire anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216891989U true CN216891989U (en) | 2022-07-05 |
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ID=82178409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121048973.4U Active CN216891989U (en) | 2021-05-17 | 2021-05-17 | Suspension bridge main push-towing rope method construction steel wire anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216891989U (en) |
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2021
- 2021-05-17 CN CN202121048973.4U patent/CN216891989U/en active Active
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