CN220013404U - Steering device for pulling steel wire rope by main cable strand double-wire reciprocating traction system - Google Patents
Steering device for pulling steel wire rope by main cable strand double-wire reciprocating traction system Download PDFInfo
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- CN220013404U CN220013404U CN202321520283.3U CN202321520283U CN220013404U CN 220013404 U CN220013404 U CN 220013404U CN 202321520283 U CN202321520283 U CN 202321520283U CN 220013404 U CN220013404 U CN 220013404U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 238000010276 construction Methods 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 13
- 239000000725 suspension Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a steering device for a main cable strand double-wire reciprocating traction system to pull a steel wire rope, which comprises a mounting seat, a main steering wheel and an auxiliary pulley, wherein the mounting seat is mounted on a concrete construction plane; the number of the main steering wheels is two, the two main steering wheels are arranged on the mounting seat at intervals, the central axis of the main steering wheels is vertical to the concrete construction plane, and the central connecting line of the two main steering wheels is parallel to the concrete construction plane; the quantity of auxiliary pulleys is two, and two auxiliary pulleys are all installed in the mount pad towards the one side that wire rope penetrated and two auxiliary pulleys correspond two main diverting pulleys's relative both sides, and the central axis and the concrete construction plane of two auxiliary pulleys are parallel. The utility model can ensure that the traction steel wire rope is not excessively bent and jumped in the steering process.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a steering device for a main cable strand double-wire reciprocating traction system to pull a steel wire rope.
Background
The main cable erection of the large-span suspension bridge is an important link in the construction process, and most of the main cables of the suspension bridge are erected by adopting a parallel steel wire strand PPWS method at present, and the specific construction method can be seen in the following documents: the application and research of the key technology of the construction of the main cable PPWS method of the large-span suspension bridge are Bingchuan, the university of Guangdong traffic occupational technology, and the 18 th volume, the 3 rd period, of 2019, 8 months. The PPWS method for the main cable of the large-span suspension bridge can better ensure that the steel wires are not twisted and crossed, and can improve the compactness of the main cable. However, the main cable strand installation and erection has higher requirements on hoisting and transportation equipment and traction systems and wider site requirements, so that under the condition that some sites are limited, the main cable strand double-wire reciprocating type traction system is adopted for construction, and the main cable strand double-wire reciprocating type traction system is generally provided with two winches only on one shore for winding and unwinding steel wire ropes, and a steering device consisting of the winches and pulleys is arranged on the other shore for steering the steel wire ropes.
Because the traction system installed on the main cable of the suspension bridge is generally parallel to the catwalk, the traction wire rope loop of the traction system is required to be basically parallel to the concrete construction plane, and an included angle alpha exists between the traction wire rope loop of the traction system and the concrete construction plane or the anchorage structure. Therefore, how to ensure that the traction steel wire rope is not excessively bent and jumped during the steering process is a main problem to be solved.
Disclosure of Invention
The utility model aims to solve one of the technical problems, and provides a steering device for a main cable strand double-wire reciprocating type traction system to pull a steel wire rope, which can ensure that the situation that the pulling steel wire rope is excessively bent and jumps wheels in the steering process is avoided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the steering device comprises a mounting seat, a main steering wheel and an auxiliary pulley, wherein the mounting seat is arranged on a concrete construction plane; the number of the main steering wheels is two, the two main steering wheels are arranged on the mounting seat at intervals, the central axis of the main steering wheels is perpendicular to the concrete construction plane, and the central connecting line of the two main steering wheels is parallel to the concrete construction plane; the number of the auxiliary pulleys is two, the two auxiliary pulleys are arranged on one side, penetrating towards the steel wire rope, of the mounting seat, the two auxiliary pulleys correspond to the two opposite sides of the main steering wheel, and the central axes of the two auxiliary pulleys are parallel to the concrete construction plane.
Further, the mounting seat comprises an embedded base and a mounting frame, wherein the embedded base is embedded in the concrete construction plane, the mounting frame is connected with the embedded base, and the top surface of the mounting frame is parallel to the concrete construction plane; the auxiliary pulley is arranged on the mounting frame.
Further, the mounting frame comprises a connecting frame and a pulley mounting frame, the bottom of the connecting frame is connected with the embedded base, the connecting frame extends towards the direction far away from the concrete construction plane, and the top surface of the connecting frame is parallel to the concrete construction plane; the pulley mounting frame is arranged on one side, deviating from the embedded base, of the connecting frame, the pulley mounting frame is provided with a mounting space for mounting two main steering wheels, and the mounting space penetrates through the two opposite ends of the pulley mounting frame so that the two main steering wheels are exposed out of the mounting space.
Further, the pulley mounting frame comprises two mounting boxes, the two mounting boxes are arranged on the connecting frame at intervals, and the mounting boxes are provided with mounting holes penetrating through two sides; one main steering wheel is arranged in one mounting hole.
Further, the two mounting boxes are connected by a connecting rod.
Further, reinforcing plates are arranged at the opposite ends of the mounting box.
Further, the height of the auxiliary pulley can be adjusted.
Further, the device also comprises a support roll shaft, wherein the support roll shaft is arranged on the mounting seat and is positioned between the main steering wheel and the auxiliary pulley; the central axis of the supporting roll shaft is parallel to the concrete construction plane.
By adopting the technical scheme, the utility model has the following beneficial effects:
when the steering device of the main cable strand double-wire reciprocating type traction system for pulling the steel wire rope is used, the pulling steel wire rope penetrates into the main steering wheel on the corresponding side after being guided by the auxiliary pulley on one end of the mounting seat, penetrates out of the main steering wheel on the other side after being guided by the two main steering wheels, penetrates out of the main steering wheel on the other side, and is guided by the auxiliary pulley on the other end of the mounting seat, so that the pulling steel wire rope is steered. In the process, as the two main steering wheels are arranged on the mounting seat at intervals, the length of the traction steel wire rope can be prolonged when the traction steel wire rope turns, so that the situation that the traction steel wire rope is excessively bent is avoided; because the central axis of the auxiliary pulley and the central connecting lines of the two main steering wheels are parallel to the concrete construction plane, and the central axis of the main steering wheels is perpendicular to the concrete construction plane, the traction steel wire rope can be kept parallel to the concrete construction plane in the process of turning; because the two auxiliary pulleys correspond to the opposite ends of the main steering wheels in the row, the height of the traction wire rope loop at the corresponding side can be raised, so that the traction wire rope is connected with the auxiliary pulley and the main steering wheels at the same side in parallel to a concrete construction plane when penetrating into or out of the auxiliary pulley and the main steering wheels at the same side, and the line type when the traction wire rope penetrates into the steering device is kept parallel to the line type when penetrating out of the steering device, thereby avoiding the occurrence of the wheel jump condition. Therefore, the utility model can ensure that the traction steel wire rope is not excessively bent and jumped in the steering process.
Drawings
Fig. 1 is a schematic structural view of a steering device for pulling a wire rope by a main rope strand double-wire reciprocating traction system in the utility model.
Fig. 2 is a schematic layout of a steering device of a main rope strand double-wire reciprocating traction system for pulling a steel wire rope.
In the drawing, a 1-pre-buried base, a 11-bottom plate, a 12-vertical plate, a 2-mounting frame, a 21-connecting frame, a 211-inclined channel steel, a 212-end channel steel, a 213-transverse channel steel, a 214-reinforced channel steel, a 215-supporting channel steel, a 216-auxiliary steel plate, a 217-screw hole, a 22-pulley mounting frame, a 220-mounting hole, a 221-mounting box, a 23-connecting rod, a 24-reinforcing plate, a 3-main steering wheel, a 4-auxiliary pulley, a 100-traction steel wire rope and a 200-concrete construction plane.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, a preferred embodiment of the present utility model provides a steering device for a main strand double-wire reciprocating traction system to pull a wire rope, which is used for steering a pull wire rope 100 of the main strand double-wire reciprocating traction system.
A steering device for a main cable strand double-line reciprocating traction system to pull a steel wire rope comprises a mounting seat, a main steering wheel 3 and an auxiliary pulley 4. The main diverting pulley 3 and the auxiliary pulley 4 are both pulleys of the prior art. The mount is mounted on the concrete construction plane 200 and the top surface of the mount is parallel to the concrete construction plane 200. The number of the main steering wheels 3 is two, the two main steering wheels 3 are arranged on the mounting seat at intervals, the central axis of the main steering wheels 3 is perpendicular to the concrete construction plane 200, and the central connecting line of the two main steering wheels 3 is parallel to the concrete construction plane 200. The number of the auxiliary pulleys 4 is two, the two auxiliary pulleys 4 are arranged on one side of the installation seat penetrating towards the traction steel wire rope 100, the two auxiliary pulleys 4 correspond to two opposite sides of the two main steering wheels 3, and the central axes of the two auxiliary pulleys 4 and the central connecting line of the two auxiliary pulleys 4 are parallel to the concrete construction plane 200.
When the steering device of the main cable strand double-wire reciprocating type traction system for pulling the steel wire rope is used, the pulling steel wire rope 100 penetrates into the main steering wheel 3 on the corresponding side after being guided by the auxiliary pulley 4 on one end of the installation seat, penetrates out of the main steering wheel 3 on the other side after being guided by the two main steering wheels 3, penetrates out of the main steering wheel 3 on the other side, is guided by the auxiliary pulley 4 on the other end of the installation seat and penetrates out of the steering device, and the pulling steel wire rope 100 is steered.
In the foregoing process, since the two main steering wheels 3 are arranged on the mounting base at intervals, the length of the traction wire rope 100 during turning can be prolonged, so that the situation that the traction wire rope 100 is excessively bent is avoided. Because the central axes of the two auxiliary pulleys 4, the central connecting line of the two auxiliary pulleys 4 and the central connecting line of the two main steering wheels 3 are parallel to the concrete construction plane 200, and the central axes of the main steering wheels 3 are perpendicular to the concrete construction plane 200, the traction steel wire rope 100 can be kept parallel to the concrete construction plane 200 in the turning process. Because the two auxiliary pulleys 4 correspond to the opposite ends of the main steering wheel 3 in a row, the height of the traction wire rope 100 loop at the corresponding side can be raised, so that the traction wire rope 100 is connected with the concrete construction plane 200 in parallel when penetrating into or out of the auxiliary pulleys 4 and the main steering wheel 3 at the same side, and the line type when the traction wire rope 100 penetrates into the steering device is kept parallel with the line type when penetrating out of the steering device, thereby avoiding the occurrence of the wheel jump condition. It can be seen that the present utility model can ensure that the pulling wire rope 100 is not excessively bent and jumped during the steering process
In the present embodiment, the mount includes a pre-buried base 1 and a mount 2. The embedded bases 1 are embedded in the concrete construction plane 200, specifically, the number of the embedded bases 1 is a plurality of the embedded bases 1, and the embedded bases 1 are scattered and embedded in the concrete construction plane 200 when the concrete construction plane 200 is built according to the structural design of the mounting base; the embedded base 1 comprises a bottom plate 11 and three vertical plates 12, wherein the three vertical plates 12 are arranged at intervals in a row and are embedded in the concrete construction plane 200 at the initial stage of the construction of the concrete construction plane 200, the bottom plate 11 is welded on one side of the three vertical plates 12 exposed outside the concrete construction plane 200, and when the bottom plate 11 is welded on the three vertical plates 12, one surface of the bottom plate 11, which is away from the vertical plates 12, needs to be ensured to be parallel to the concrete construction plane 200.
The installation frame 2 is connected with the pre-buried base 1, the top surface of the installation frame 2 is parallel to the concrete construction plane 200, specifically, the installation frame 2 comprises a connecting frame 21 and a pulley installation frame 22, the bottom of the connecting frame 21 is connected with the pre-buried base 1, the connecting frame 21 extends towards the direction far away from the concrete construction plane 200, the top surface of the connecting frame 21 is parallel to the concrete construction plane 200, the connecting frame 21 comprises three groups of inclined channel steels 211, end channel steels 212, transverse channel steels 213, reinforcing channel steels 214 and supporting channel steels 215, the number of the inclined channel steels 211 is three, the three groups of inclined channel steels 211 are arranged at intervals along the width direction of the concrete construction plane 200, each group of inclined channel steels 211 comprises two inclined channel steels 211, the two inclined channel steels 211 are obliquely arranged in opposite directions, one end of each inclined channel steel 211 is welded with the bottom plate 11 of the corresponding pre-buried base 1, one end of each inclined channel steel 211 is connected with one end channel steel 212, the end channel steels 212 extends along the length direction of the concrete construction plane 200, the transverse channel steels 213 are connected with the end channel steels 212 at the tops of the three groups of the inclined channel steels 211 in a welding mode, and the plane 200 is parallel to the concrete construction plane 200 formed by the end transverse channel steels 213; opposite ends of the reinforcing channel steel 214 are welded to two sets of adjacent oblique channel steel 211; the number of the supporting channel steels 215 is two, the two supporting channel steels 215 are arranged corresponding to the outer sides of the two main steering wheels 3, one end of each supporting channel steel 215 is welded with the corresponding bottom plate 11, and the other end of each supporting channel steel 215 is welded on the transverse channel steel 213 on the same side.
The pulley mounting frame 22 is arranged on one side of the connecting frame 21, which is away from the embedded base 1, the pulley mounting frame 22 is provided with mounting spaces for mounting the two main steering wheels 3, the mounting spaces penetrate through the two opposite ends of the pulley mounting frame 22 so that the two main steering wheels 3 are exposed out of the mounting spaces, the pulley mounting frame 22 comprises two mounting boxes 221, the two mounting boxes 221 are welded on the transverse groove steel 213 and are arranged at intervals along the length direction of the transverse groove steel 213, the mounting boxes 221 are provided with mounting holes 220 penetrating through the two sides, and the mounting holes 220 of the two mounting boxes 221 are communicated into the mounting spaces; a main steering wheel 3 is rotatably installed in a mounting hole 220 through a bearing; the two mounting boxes 221 are connected by the connecting rod 23, the connecting rod 23 is made of steel, and the connecting rod is connected with the two mounting boxes 221 in a welding mode; the opposite ends of the mounting box 221 are provided with reinforcing plates 24, and in particular, the reinforcing plates 24 are right trapezoid-shaped steel plates, one right-angle side of which is welded to the transverse groove steel 213 and the other right-angle side of which is welded to the end of the mounting box 221, so as to enhance the overall stability of the entire pulley mounting frame 22.
The auxiliary pulleys 4 are mounted on the mounting frame 2, specifically, the connecting frame 21 further comprises an auxiliary steel plate 216, one auxiliary pulley 4 corresponds to a group of two auxiliary steel plates 216, one end of each auxiliary steel plate 216 is welded on the supporting channel steel 215, and the auxiliary pulleys 4 are mounted on the auxiliary steel plates 216 through bolts.
In this embodiment, the height of the auxiliary pulley 4 can be adjusted, specifically, the auxiliary steel plate 216 is provided with a plurality of screw holes 217 along the length direction at intervals, and the auxiliary steel plate can be mounted in the corresponding screw holes 217 according to the preset height of the auxiliary pulley 4 after the bolts are dismounted according to the need during mounting, so as to adjust the height of the auxiliary pulley 4. Because the traction steel wire rope 100 loop of the main cable strand double-line reciprocating traction system forms an included angle alpha with the concrete construction plane 100 or the anchorage structure before the traction steel wire rope 100 is diverted, the auxiliary pulley 4 can raise the height of the traction steel wire rope 100 before the traction steel wire rope 100 penetrates into the main steering wheel 3 or after the traction steel wire rope 100 penetrates out of the main steering wheel 3, so that the influence of the angle on the main steering wheel 3 is reduced, and the jump wheel is effectively avoided. The height of the auxiliary pulley 4 can be adjusted, and the constructor can conveniently adjust the height of the auxiliary pulley 4, so that the connecting line of the traction steel wire rope 100 penetrating into the main steering wheel 3 through the auxiliary pulley 4 is kept parallel to the concrete construction plane 200.
It will be appreciated that in other embodiments, the height of the auxiliary pulley 4 may be an unadjustable setting, and when the height of the auxiliary pulley 4 needs to be adjusted, an auxiliary steel plate 216 with a predetermined length may be cut at the construction site and welded to the supporting channel steel 215.
The foregoing description is directed to the preferred embodiments of the present utility model, but the embodiments are not intended to limit the scope of the utility model, and all equivalent changes or modifications made under the technical spirit of the present utility model should be construed to fall within the scope of the present utility model.
Claims (8)
1. The utility model provides a steering device that main cable strand double-wire reciprocating type traction system pulled wire rope which characterized in that: the device comprises an installation seat, a main steering wheel (3) and an auxiliary pulley (4), wherein the installation seat is installed on a concrete construction plane (200); the number of the main steering wheels (3) is two, the two main steering wheels (3) are arranged on the mounting seat at intervals, the central axis of the main steering wheels (3) is perpendicular to the concrete construction plane (200), and the central connecting line of the two main steering wheels (3) is parallel to the concrete construction plane (200); the number of the auxiliary pulleys (4) is two, the two auxiliary pulleys (4) are arranged on one side, penetrating towards the traction steel wire rope (100), of the installation seat, the two auxiliary pulleys (4) correspond to two opposite sides of the main steering wheel (3), and the central axes of the two auxiliary pulleys (4) are parallel to the concrete construction plane (200).
2. A steering device for a main cable strand double-wire reciprocating traction system to pull a steel wire rope as claimed in claim 1, wherein: the mounting seat comprises an embedded base (1) and a mounting frame (2), wherein the embedded base (1) is embedded in the concrete construction plane (200), the mounting frame (2) is connected with the embedded base (1), and the top surface of the mounting frame (2) is parallel to the concrete construction plane (200); the auxiliary pulley (4) is arranged on the mounting frame (2).
3. A steering device for a main cable strand double-wire reciprocating traction system to pull a steel wire rope as claimed in claim 2, wherein: the mounting frame (2) comprises a connecting frame (21) and a pulley mounting frame (22), wherein the bottom of the connecting frame (21) is connected with the embedded base (1), the connecting frame (21) extends towards the direction away from the concrete construction plane (200), and the top surface of the connecting frame (21) is parallel to the concrete construction plane (200); the pulley mounting frame (22) is arranged on one side, deviating from the embedded base (1), of the connecting frame (21), the pulley mounting frame (22) is provided with a mounting space for mounting two main steering wheels (3), and the mounting space penetrates through the two opposite ends of the pulley mounting frame (22) so that the two main steering wheels (3) are exposed out of the mounting space.
4. A steering apparatus for a main cable strand double-wire reciprocating traction system to pull a wire rope as claimed in claim 3, wherein: the pulley mounting frame (22) comprises two mounting boxes (221), the two mounting boxes (221) are arranged on the connecting frame (21) at intervals, and the mounting boxes (221) are provided with mounting holes (220) penetrating through two sides; a main steering wheel (3) is mounted in a mounting hole (220).
5. The steering device for pulling a wire rope by a main rope strand double-wire reciprocating pulling system as claimed in claim 4, wherein: the two mounting boxes (221) are connected by a connecting rod (23).
6. The steering device for pulling a wire rope by a main rope strand double-wire reciprocating pulling system as claimed in claim 4, wherein: reinforcing plates (24) are arranged at the opposite ends of the mounting box (221).
7. A steering device for a main cable strand double-wire reciprocating traction system to pull a steel wire rope as claimed in claim 1, wherein: the height of the auxiliary pulley (4) can be adjusted.
8. A steering device for a main cable strand double-wire reciprocating traction system to pull a steel wire rope as claimed in claim 1, wherein: the device also comprises a support roll shaft (5), wherein the support roll shaft (5) is arranged on the mounting seat and is positioned between the main steering wheel (3) and the auxiliary pulley (4); the central axis of the supporting roll shaft (5) is parallel to the concrete construction plane (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520283.3U CN220013404U (en) | 2023-06-14 | 2023-06-14 | Steering device for pulling steel wire rope by main cable strand double-wire reciprocating traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520283.3U CN220013404U (en) | 2023-06-14 | 2023-06-14 | Steering device for pulling steel wire rope by main cable strand double-wire reciprocating traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013404U true CN220013404U (en) | 2023-11-14 |
Family
ID=88677288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321520283.3U Active CN220013404U (en) | 2023-06-14 | 2023-06-14 | Steering device for pulling steel wire rope by main cable strand double-wire reciprocating traction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013404U (en) |
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2023
- 2023-06-14 CN CN202321520283.3U patent/CN220013404U/en active Active
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