CN220418309U - Suspension cable displacement monitoring device for self-anchored suspension bridge system conversion - Google Patents
Suspension cable displacement monitoring device for self-anchored suspension bridge system conversion Download PDFInfo
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- CN220418309U CN220418309U CN202321764907.6U CN202321764907U CN220418309U CN 220418309 U CN220418309 U CN 220418309U CN 202321764907 U CN202321764907 U CN 202321764907U CN 220418309 U CN220418309 U CN 220418309U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 31
- 239000000725 suspension Substances 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 28
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
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Abstract
The utility model belongs to the technical field of self-anchored suspension bridge system conversion construction, and particularly relates to a suspension cable displacement monitoring device for self-anchored suspension bridge system conversion. The device includes a plurality of fixed bolsters, positioning disk and displacement monitoring subassembly, and the displacement monitoring subassembly includes portable calibrated scale, spring and pointer, and portable calibrated scale lower surface both sides are equipped with the slide rail respectively, but the upper surface sliding connection in portable calibrated scale passes through slide rail and the positioning disk ring-shaped casing, but spring one end and positioning disk fixed connection, the other end and portable calibrated scale fixed connection, and portable calibrated scale upper surface is equipped with the scale mark, and positioning disk upper surface is close to positioning disk one side and is equipped with the pointer respectively. According to the utility model, the movable dial is monitored in real time along the sliding rail by the pointer of the positioning disk, so that the displacement of the sling in the system conversion process is measured, the measurement efficiency of the sling line shape in the system conversion process is remarkably improved, and the test cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of self-anchored suspension bridge system conversion construction, and particularly relates to a suspension cable displacement monitoring device for self-anchored suspension bridge system conversion.
Background
The system conversion is an important procedure of constructing the self-anchored suspension bridge by adopting a girder-first cable-second method. Because the main cable and the steel box girder are longitudinally deformed along with the stretching of the sling in the system conversion process, the space attitude control of the sling is an important point and a difficult point of the construction precision of the upper structure. The main method for measuring and controlling the space attitude of the sling at present is as follows: firstly, an optical instrument is used for measuring a prism vertically arranged at a measurable point, and then the cable center and the cable guide pipe center at the cable clamp are converted through a geometric relation, so that the space posture of the sling is obtained. The prior art mainly has the following defects:
(1) The testing workload is large and the efficiency is low. The field measurement and the internal industry conversion are required to be combined, the period required for completing one round of evaluation is long, and the requirement of the rope tensioning progress cannot be met.
(2) The test cost is high. The traditional testing method needs to be equipped with instruments such as a total station instrument, a precise level instrument and the like, needs two testers to work continuously, and has high occupied equipment and labor cost.
(3) The degree of refinement of the measurement control is insufficient. Because the sling posture is continuously changed in the system conversion process, the traditional method can only measure in a few working conditions, and the sling posture cannot be dynamically monitored in real time.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide the sling displacement monitoring device for the self-anchored suspension bridge system conversion, which is used for realizing real-time monitoring on the movement of the movable dial along the sliding rail through the pointer of the positioning disk, further realizing the measurement of the displacement of the sling in the system conversion process, realizing the real-time dynamic monitoring and the fine control of the space posture of the sling, and further remarkably improving the linear measuring efficiency of the sling in the system conversion process and reducing the testing cost.
The technical scheme of the utility model is as follows: the utility model provides a be used for from anchor suspension bridge system conversion hoist cable displacement monitoring devices, includes a plurality of fixed bolsters, positioning disk and displacement monitoring subassembly, fixed bolster fixed connection is in the inner wall of cable pipe, positioning disk fixed connection is in fixed bolster top, the positioning disk is ring form casing, the positioning disk is close to ring center one side and is equipped with the opening, the displacement monitoring subassembly includes movable calibrated scale, is located the spring and the pointer of movable calibrated scale both sides, the movable calibrated scale is the ring form, the ring outside of movable calibrated scale is located in the opening of positioning disk ring form casing side, movable calibrated scale lower surface both sides are equipped with the slide rail respectively, but movable calibrated scale pass through the slide rail with but upper surface sliding connection in the positioning disk ring form casing, but spring one end with in keeping away from ring center one side fixed connection, but other end and movable calibrated scale outside fixed connection are equipped with on the movable calibrated scale between two springs, the positioning disk upper surface that corresponds the calibrated scale both ends is close to positioning disk ring center one side respectively is equipped with the pointer.
The positioning plate comprises two semicircular rings, an opening splice plate is arranged at the connecting end of each semicircular ring, bolts are arranged in reserved holes of the opening splice plates, and the bolts penetrate through the opening splice plates to fasten the two semicircular rings.
The movable dial comprises two semicircular rings, and the central inner diameters of the two semicircular rings are the same as the outer diameter of the sling.
The fixing support comprises a pipe orifice fixing plate, an arc-shaped connecting plate and a groove limiting plate which are sequentially connected from top to bottom, the pipe orifice fixing plate is provided with a groove, the opening of the groove is downward, the opening size is the same as the wall thickness of the cable duct, and the arc-shaped surface of the arc-shaped connecting plate is overlapped with the arc-shaped surface of the inner wall of the cable duct.
The center of the groove limiting plate is provided with a connecting groove, the lower surface of the positioning plate is provided with a positioning plate, and the positioning plate is spliced with the connecting groove of the groove limiting plate.
The extending direction of the sliding rail coincides with the extending direction of the scale marks on the upper surface of the movable dial.
The four fixing brackets are uniformly distributed at 90 degrees along the cable guide pipe.
The utility model has the technical effects that: 1. according to the utility model, the movable dial is monitored in real time along the sliding rail by the pointer of the positioning disk, so that the displacement of the sling in the system conversion process is measured, the real-time dynamic monitoring and fine control of the space posture of the sling are realized, the measurement efficiency of the linear shape of the sling in the system conversion process is remarkably improved, and the test cost is reduced; 2. the sling displacement monitoring device has high testing efficiency, the cable center and the central position of the cable conduit at the cable clamp are not required to be measured and converted each time, and the real-time inclination angle of the sling can be easily obtained by reading the dynamic relative displacement of the sling at the mouth of the cable conduit; 3. the sling displacement monitoring device is simple to use and operate, does not need to occupy a testing instrument and manpower discontinuously, and greatly reduces the testing cost.
Further description will be made below with reference to the accompanying drawings.
Drawings
Fig. 1 is a structural cross-sectional view of a device for monitoring displacement of a transition sling for a self-anchored suspension bridge system according to an embodiment of the present utility model.
FIG. 2 is a schematic diagram of a cross-sectional structure of A-A in FIG. 1 according to an embodiment of the present utility model.
FIG. 3 is a schematic diagram showing the cross-sectional structure of B-B in FIG. 1 according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a fixing bracket according to an embodiment of the present utility model.
Reference numerals: 1-cable catheter; 2-fixing a bracket; 201-a tube orifice fixing plate; 202-arc-shaped connecting plates; 203-groove limiting plates; 3-positioning plate; 4-positioning plates; 5-opening splice plates; 6-a bolt; 7-a spring; 8-a movable dial; 9-slings; 10-scale marks; 11-pointer; 12-sliding rails; 13-steel box girder top plate.
Detailed Description
Embodiment 1 is as shown in fig. 1-3, a cable displacement monitoring device for self-anchored suspension bridge system conversion cable comprises a plurality of fixed brackets 2, a positioning disk 3 and displacement monitoring components, the fixed brackets 2 are fixedly connected to the inner wall of a cable guide tube 1, the positioning disk 3 is fixedly connected to the upper side of the fixed brackets 2, the positioning disk 3 is a circular ring shell, an opening is formed in the side surface of one side of the positioning disk 3 close to the center of the circular ring, the displacement monitoring components comprise a movable dial 8, springs 7 and pointers 11 positioned on two sides of the movable dial 8, the movable dial 8 is in a circular ring shape, the outer sides of the circular rings of the movable dial 8 are positioned in the side openings of the circular ring shell of the positioning disk 3, sliding rails 12 are respectively arranged on two sides of the lower surface of the movable dial 8, the movable dial 8 is in sliding connection with the inner upper surface of the circular ring shell of the positioning disk 3, one end of the springs 7 is fixedly connected to the side surface of one side of the circular ring shell far away from the center of the circular ring, the other end of the positioning disk 3 is fixedly connected to the side surface of the side of the circular ring 3, two sides of the movable dial 8 are provided with two corresponding to the surfaces 10 of the movable dial 8, and the two corresponding positions of the two positions of the movable dial lines on the two surfaces 10 are arranged on the side surfaces of the movable dial 8 close to the surface of the movable dial 8.
In the actual use process, the pipe orifice fixing plate 201, the arc-shaped connecting plate 202 and the groove limiting plate 203 are assembled into the fixing bracket 2, and the pipe orifice fixing plate 201 is arranged at the wall opening of the cable duct 1, so that the fixing bracket 2 is suspended on the inner wall of the cable duct 1; inserting a positioning plate 4 below a positioning disc 3 into a groove limiting plate 203 to be connected with a fixed support 2, fixedly connecting one end of a spring 7 with one side surface of one side, far away from the center of a circular ring, of a circular ring-shaped shell of the positioning disc 3, fixedly connecting the other end of the spring with the outer side of a movable dial 8, respectively installing pointers 11 on one side, close to the center of the circular ring of the positioning disc 3, of the upper surface of the positioning disc 3 at two ends of a scale mark 10, and adjusting the position of the movable dial 8 to be matched with the installation position of an initial sling 9; according to the position of the scale mark 10 pointed by the pointer 11, the initial installation position of the sling 9 is recorded, along with the system conversion process, the sling 9 drives the movable dial 8 to move along the sliding rail 12, and according to the position change of the scale mark 10 pointed by the pointer 11, the displacement of the sling 9 in the system conversion process is monitored in real time. According to the utility model, the movable dial is monitored in real time along the sliding rail by the pointer of the positioning disk, so that the displacement of the sling in the system conversion process is measured, and the real-time dynamic monitoring and fine control of the space posture of the sling are realized, thereby remarkably improving the linear measuring efficiency of the sling in the system conversion process and reducing the testing cost.
Embodiment 2 preferably, in this embodiment, on the basis of embodiment 1, the positioning disc 3 includes two semicircular rings, two semicircular ring connection ends are provided with hole splice plates 5, a bolt 6 is disposed in a reserved hole of the hole splice plates 5, and the bolt 6 passes through the hole splice plates 5 to fasten the two semicircular rings.
In the actual use process, the connecting ends of the two semicircular rings are provided with the perforated splice plates 5, the reserved holes of the perforated splice plates 5 are internally provided with bolts 6, and the two semicircular rings are connected by the bolts 6 and are connected and fastened.
Embodiment 3 preferably, in this embodiment, the movable scale 8 includes two semicircular rings, and the central inner diameter of the two semicircular rings is the same as the outer diameter of the sling 9.
In the actual use process, the movable dial 8 comprises two semicircular rings, the center inner diameters of the two semicircular rings are the same as the outer diameters of the slings 9, and the position change of the movable dial 8 can represent the position change of the slings 9.
Embodiment 4 preferably, on the basis of embodiment 1 or embodiment 3, as shown in fig. 4, in this embodiment, the fixing support 2 includes a pipe orifice fixing plate 201, an arc-shaped connecting plate 202, and a groove limiting plate 203 sequentially connected from top to bottom, where the pipe orifice fixing plate 201 is provided with a groove, the opening of the groove is downward, the opening size is the same as the wall thickness of the cable guide pipe 1, and the arc-shaped surface of the arc-shaped connecting plate 202 coincides with the arc-shaped surface of the inner wall of the cable guide pipe 1.
In the actual use process, the pipe orifice fixing plate 201 is provided with the groove, the opening of the groove is downward, the opening size is the same as the wall thickness of the cable guide pipe 1, and the pipe orifice fixing plate is directly hung on the inner wall of the cable guide pipe 1 in use, thereby being quick and convenient.
Embodiment 5 preferably, in this embodiment, on the basis of embodiment 1 or embodiment 4, a connection groove is formed in the center of the groove limiting plate 203, a positioning plate 4 is disposed on the lower surface of the positioning plate 3, and the positioning plate 4 is inserted into the connection groove of the groove limiting plate 203.
In the actual use process, the positioning plate 4 is spliced with the connecting groove of the groove limiting plate 203, and the connection or the disassembly is simple and convenient.
Embodiment 6 preferably, in this embodiment, on the basis of embodiment 1 or embodiment 5, the extending direction of the sliding rail 12 coincides with the extending direction of the scale line 10 on the upper surface of the movable scale 8.
In the actual use process, the extending direction of the sliding rail 12 is coincident with the extending direction of the scale mark 10 on the upper surface of the movable dial 8, when the movable dial 8 moves along the sliding rail 12, the position change of the scale mark 10 on the upper surface of the movable dial 8 pointed by the pointer 11 is the displacement change of the sling 9, the pointer offset is read according to the initial installation position of the sling, and the initial sling offset angle can be calculated according to the longitudinal offset distance and the main beam height. When the sling is in the central position, the longitudinal offset distance is zero.
Embodiment 7 preferably, on the basis of embodiment 1 or embodiment 6, in this embodiment, four fixing brackets 2 are provided and are uniformly distributed at 90 ° along the cable guide tube 1.
In the actual use process, the four fixing brackets 2 are uniformly distributed at 90 degrees along the cable guide pipe 1, so that the positioning disk 3 is fixedly connected during splicing.
The actual use process of the utility model specifically comprises the following steps:
s1: assembling two semicircular rings into a positioning disc 3 through a perforated splice plate 5, placing a movable dial 8 in an opening on the side surface of a circular shell of the positioning disc 3 in the assembling process, enabling the middle circular ring of the movable dial 8 to contact with the outer side of a sling 9, and connecting the positioning disc 3 with the movable dial 8 through a spring 7 and a lower longitudinal sliding rail 12;
s2, assembling a pipe orifice fixing plate 201, an arc-shaped connecting plate 202 and a groove limiting plate 203 into a fixing bracket 2 by a distance that the pipe orifice of the cable duct 1 is higher than the top plate 13 of the steel box girder, and installing the pipe orifice fixing plate 201 on the wall orifice of the cable duct 1 to enable the fixing bracket 2 to be hung on the inner wall of the cable duct 1;
s3, inserting a positioning plate 4 below the positioning disc 3 into a groove limiting plate 203 to be connected with the fixed support 2, fixedly connecting one end of a spring 7 with one side surface of one side far away from the center of the circular ring in the circular shell of the positioning disc 3, fixedly connecting the other end of the spring with the outer side of a movable dial 8, respectively installing pointers 11 on one side, close to the center of the circular ring of the positioning disc 3, of the upper surfaces of the positioning discs 3 at two ends of a scale mark 10, and adjusting the position of the movable dial 8 to fit the installation position of an initial sling 9;
s4, according to the position of the scale mark 10 pointed by the pointer 11, the initial installation position of the sling 9 is recorded, along with the system conversion process, the sling 9 drives the movable dial 8 to move along the sliding rail 12, and according to the position change of the scale mark 10 pointed by the pointer 11, the displacement of the sling 9 in the system conversion process is monitored in real time.
The sling displacement monitoring device provided by the embodiment of the utility model is simple to use and operate, high in testing efficiency and low in testing cost, and can realize dynamic monitoring of the total sling displacement in the system conversion process.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (7)
1. A be used for self-anchored suspension bridge system to change hoist cable displacement monitoring devices, its characterized in that: comprises a plurality of fixed brackets (2), a positioning disk (3) and a displacement monitoring component, wherein the fixed brackets (2) are fixedly connected to the inner wall of a cable guide tube (1), the positioning disk (3) is fixedly connected to the upper part of the fixed brackets (2), the positioning disk (3) is a circular shell, an opening is arranged on one side surface of the positioning disk (3) close to the center of the circular ring, the displacement monitoring component comprises a movable dial (8), springs (7) and pointers (11) positioned on two sides of the movable dial (8), the movable dial (8) is circular, the outer side of the circular ring of the movable dial (8) is positioned in the opening of the side surface of the circular shell of the positioning disk (3), sliding rails (12) are respectively arranged on two sides of the lower surface of the movable dial (8), the upper surface of the circular shell of the movable dial (8) is slidably connected with the inner surface of the circular shell of the positioning disk (3), one end of the spring (7) is far away from the side surface of the center of the circular shell of the circular ring of the positioning disk (3), the other end of the movable dial (8) is fixedly connected with the two surfaces of the movable dial (8) between the two surfaces of the movable dial (10), and pointers (11) are respectively arranged on one side, close to the center of the circular ring of the positioning disc (3), of the upper surface of the positioning disc (3) corresponding to the two ends of the scale marks (10).
2. The device for monitoring the displacement of a conversion sling of a self-anchored suspension bridge system according to claim 1, wherein: the positioning disc (3) comprises two semicircular rings, an opening splice plate (5) is arranged at the connecting end of each semicircular ring, bolts (6) are arranged in reserved holes of the opening splice plate (5), and the bolts (6) penetrate through the opening splice plate (5) to fasten and connect the two semicircular rings.
3. The device for monitoring the displacement of a conversion sling of a self-anchored suspension bridge system according to claim 1, wherein: the movable dial (8) comprises two semicircular rings, and the central inner diameter of the two semicircular rings is the same as the outer diameter of the sling (9).
4. The device for monitoring the displacement of a conversion sling of a self-anchored suspension bridge system according to claim 1, wherein: the fixing support (2) comprises a pipe orifice fixing plate (201), an arc-shaped connecting plate (202) and a groove limiting plate (203) which are sequentially connected from top to bottom, a groove is formed in the pipe orifice fixing plate (201), an opening of the groove is downward, the opening size is the same as the wall thickness of the cable duct (1), and the arc-shaped surface of the arc-shaped connecting plate (202) is overlapped with the arc-shaped surface of the inner wall of the cable duct (1).
5. The device for monitoring the displacement of a transition sling of a self-anchored suspension bridge system as defined in claim 4, wherein: the center of the groove limiting plate (203) is provided with a connecting groove, the lower surface of the positioning disc (3) is provided with a positioning plate (4), and the positioning plate (4) is spliced with the connecting groove of the groove limiting plate (203).
6. The device for monitoring the displacement of a conversion sling of a self-anchored suspension bridge system according to claim 1, wherein: the extending direction of the sliding rail (12) coincides with the extending direction of the scale marks (10) on the upper surface of the movable dial (8).
7. The device for monitoring the displacement of a conversion sling of a self-anchored suspension bridge system according to claim 1, wherein: the four fixing brackets (2) are uniformly distributed at 90 degrees along the cable guide pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764907.6U CN220418309U (en) | 2023-07-06 | 2023-07-06 | Suspension cable displacement monitoring device for self-anchored suspension bridge system conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764907.6U CN220418309U (en) | 2023-07-06 | 2023-07-06 | Suspension cable displacement monitoring device for self-anchored suspension bridge system conversion |
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| Publication Number | Publication Date |
|---|---|
| CN220418309U true CN220418309U (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321764907.6U Active CN220418309U (en) | 2023-07-06 | 2023-07-06 | Suspension cable displacement monitoring device for self-anchored suspension bridge system conversion |
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| Country | Link |
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| CN (1) | CN220418309U (en) |
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2023
- 2023-07-06 CN CN202321764907.6U patent/CN220418309U/en active Active
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