CN219410591U - Deflection adjusting device for prestressed bridge - Google Patents
Deflection adjusting device for prestressed bridge Download PDFInfo
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- CN219410591U CN219410591U CN202320542714.XU CN202320542714U CN219410591U CN 219410591 U CN219410591 U CN 219410591U CN 202320542714 U CN202320542714 U CN 202320542714U CN 219410591 U CN219410591 U CN 219410591U
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- deflection
- bridge
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Abstract
The utility model discloses a prestress bridge deflection adjusting device, which comprises: the plurality of groups of point location installation components are arranged on two sides of the bridge body; the connecting rod transmission assembly is arranged in the middle of the bridge body; the device also comprises two symmetrically distributed prestress pull ropes, each prestress pull rope is in a V shape, one end of each prestress pull rope is connected with the first position point location installation component, and the other end of each prestress pull rope is connected with the connecting rod transmission component. According to the utility model, the deflection of the bridge body can be pre-regulated and accurately regulated by regulating the operation of the driving device and the connecting rod transmission assembly, so that the accuracy of the deflection regulation of the bridge body is improved, the rapid assembly and disassembly process of the device is realized by the structural characteristics of the point location installation assembly and the connecting rod transmission assembly, and the installation strength of staff is reduced.
Description
Technical Field
The utility model relates to the technical field of bridges, in particular to a prestress bridge deflection adjusting device.
Background
The concrete bridge has the advantages of strong field adaptability and large spanning capacity, however, most concrete bridges have the problem of overlarge later deflection, so that various ways are explored, the external prestressing force is considered to be one of effective methods for adjusting the later deflection of the concrete bridge, the external prestressing force technology is used as one of effective means for reinforcing the bridge, the external prestressing force technology is more and more widely applied to bridge construction and maintenance engineering, and when the external prestressing force is applied to the existing external prestressing force reinforcing construction, the tension force is applied to two ends of a guy cable and the two ends of the guy cable are anchored, and the accuracy of the existing bridge deflection adjusting device for adjusting the deflection of a bridge body is insufficient, and the device is complex to install and has high labor intensity.
Disclosure of Invention
The utility model aims to provide a prestress bridge deflection adjusting device, which can perform deflection pre-adjustment and accurate adjustment on a bridge body through the operation of an adjusting driving device and a connecting rod transmission assembly, improves the accuracy of the bridge body deflection adjustment, realizes the rapid assembly and disassembly process of the device through the structural characteristics of a point location installation assembly and the connecting rod transmission assembly, and lightens the installation strength of workers.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prestressing force bridge deflection adjusting device, includes: the plurality of groups of point location installation components are arranged on two sides of the bridge body; the connecting rod transmission assembly is arranged in the middle of the bridge body; the device also comprises two symmetrically distributed prestress pull ropes, wherein each prestress pull rope is in a V shape, one end of each prestress pull rope is connected with the first position point location installation component, the other end of each prestress pull rope is connected with the connecting rod transmission component, and the prestress pull ropes are used for pre-adjusting the deflection of the bridge body when a driving device arranged on the first position point location installation component operates; when the connecting rod transmission assembly operates, the device is used for secondary adjustment of the deflection of the bridge body.
Preferably, each group of the point location installation components comprises a first sucker and an installation component arranged on the first sucker, and the first sucker can be adsorbed on the side wall of the bridge body; the installation component is including setting up link on the first sucking disc, and pass through the round pin axle rotation and connect the movable frame of link opposite face, the movable frame outside rotates and is connected with first installation roller, and the prestressing force stay cord sets up on first installation roller.
Preferably, the driving device comprises a motor arranged on the inner side of the movable frame where the first position point location installation component is located, and the output end of the motor penetrates through a through hole formed in the movable frame and is fixedly connected with the first installation roller, and the driving device is used for driving the first installation roller to rotate.
Preferably, the connecting frame is also provided with a limiting plug-in assembly for regulating and controlling the limiting rotation of the movable frame; the limiting plug-in assembly comprises a mounting shaft arranged on the side wall of the connecting frame, one end of the mounting shaft is fixedly provided with a driving wheel, and the other end of the mounting shaft penetrates through a through groove formed in the side wall of the connecting frame and is fixedly connected with a pin shaft where the movable frame is located; and the connecting frame is arranged on the side wall of the connecting frame, a movable shifting plate is arranged inside the connecting frame, one side of the shifting plate is connected with the inner wall of the connecting frame through a spring, and a limit column fixed on the other side can be clamped with a single limit groove formed in the periphery of the driving wheel.
Preferably, the connecting rod transmission assembly comprises a mounting structure arranged on the bridge body and is used for connecting the connecting rod transmission assembly with the bridge body; the installation frame is arranged on the installation structure, a sliding rail capable of sliding up and down and two supporting rods which are arranged on the sliding rail and capable of sliding horizontally are arranged in the installation frame, an installation frame is fixed at the top of each supporting rod, a second installation roller is rotatably connected in the installation frame, and the prestress pull rope can be connected with the corresponding second installation roller; the sliding groove is formed in the top of the mounting frame, two sliding blocks capable of sliding horizontally and a limiting frame fixed on each sliding block are arranged in the sliding groove, and the supporting rod can slide up and down in the corresponding limiting frame; the sliding chute is rotatably connected between each group of mounting pieces, and is used for pushing the supporting rods to horizontally move when the supporting rods move up and down; the inner bottom of the mounting frame is also provided with a plurality of electric telescopic rods, and the telescopic ends of the electric telescopic rods are connected with the mounting frame and used for driving the sliding rail to move.
Preferably, a pressure sensor is further arranged between the telescopic end of the electric telescopic rod and the sliding rail and used for indirectly indicating the deflection change degree of the bridge body.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the deflection of the bridge body can be pre-adjusted by adjusting the driving device arranged on the first position point location installation assembly, and the bridge body can be subjected to secondary accurate adjustment by matching with the arranged connecting rod transmission assembly, so that the accuracy of the deflection adjustment of the bridge body is improved, and the quick assembly and disassembly process of the device can be realized by the structural characteristics of the position location installation assembly and the connecting rod transmission assembly, and the installation strength of workers is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the structure of FIG. 1;
FIG. 3 is a schematic elevational view of the structure of FIG. 1;
FIG. 4 is an enlarged schematic view of the link drive assembly;
FIG. 5 is an enlarged schematic view of a fixed point mounting assembly;
fig. 6 is a schematic perspective view of another view of fig. 5.
In the figure: 1. a bridge body; 2. a prestress pull rope; 3. a first suction cup; 4. a mounting frame; 5. a mounting frame; 6. a support rod; 8. an electric telescopic rod; 9. a movable frame; 10. a first installation roller; 11. a connecting frame; 12. a motor; 13. a driving wheel; 14. a limit column; 15. a connection frame; 16. a poking plate; 18. a spring; 19. a second installation roller; 20. a chute; 21. a mounting member; 22. a transmission rod; 23. a slide block; 24. a limit frame; 25. a slide rail.
Detailed Description
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present utility model preferably provides the following technical solutions: the utility model provides a prestressing force bridge deflection adjusting device, includes: the plurality of groups of point location installation components are arranged on two sides of the bridge body 1; the connecting rod transmission assembly is arranged in the middle of the bridge body 1; the device also comprises two symmetrically distributed prestress pull ropes 2, wherein each prestress pull rope 2 is in a V shape, one end of each prestress pull rope is connected with the first position point location installation component, the other end of each prestress pull rope is connected with the connecting rod transmission component, and the prestress pull ropes are used for pre-adjusting the deflection of the bridge body 1 when a driving device arranged on the first position point location installation component operates; when the connecting rod transmission assembly operates, the device is used for secondary adjustment of the deflection of the bridge body 1.
Through setting up a plurality of point location installation component in bridge body 1 both sides to and the connecting rod drive assembly in bridge body 1 middle part, cooperation sets up between the two and be symmetrical distribution's prestressing force stay cord 2, and every prestressing force stay cord 2 is the V-arrangement, as shown in fig. 1-3, when the amount of deflection of bridge body 1 is adjusted to needs, when applying external prestressing force to bridge body 1 promptly, accessible adjusts the inside drive arrangement of head position location installation component, tighten up prestressing force stay cord 2, thereby carry out preconditioning to bridge body 1 amount of deflection, and on this basis, further through adjusting connecting rod drive assembly, can carry out secondary adjustment to prestressing force stay cord 2, thereby realize the secondary accurate regulation of bridge body 1 amount of deflection, this design, through adjusting the drive arrangement who sets up on head position location installation component, can carry out preconditioning to bridge body 1 amount of deflection, but the connecting rod drive assembly that the cooperation set up again, thereby preconditioning and accurate regulation to bridge body 1 amount of deflection, the accuracy of regulation to bridge body 1 has been improved, and through the structural feature of head position location installation component and connecting rod drive assembly, can realize the quick-release device, the work personnel's intensity of installing.
Further, each group of point location installation components comprises a first sucker 3 and an installation component arranged on the first sucker 3, and the first sucker 3 can be adsorbed on the side wall of the bridge body 1; the installation component is including setting up link 11 on first sucking disc 3 to and pass through the round pin axle rotation and connect the movable frame 9 at link 11 opposite face, the movable frame 9 outside rotates and is connected with first installation roller 10, and prestressing force stay cord 2 sets up on first installation roller 10.
As shown in fig. 5 and 6, through the first sucking disc 3, the point location installation component can be adsorbed on any position of the outer wall of the bridge body 1 according to requirements, so that the installation of workers is facilitated, time and labor are saved, and the deflection strength of the workers is reduced.
Further, the driving device comprises a motor 12 arranged on the inner side of the movable frame 9 where the first position point location installation component is located, and the output end of the motor 12 penetrates through a through hole formed in the movable frame 9 and is fixedly connected with the first installation roller 10, so as to drive the first installation roller 10 to rotate.
As shown in fig. 6, through the motor 12 arranged on the first position location installation component, and the output end of the motor 12 passes through the through hole formed in the movable frame 9 and is fixedly connected with the first installation roller 10, the prestress pull rope 2 is arranged on the first installation roller 10, so that the operation of the first installation roller 10 is regulated by controlling the operation of the motor 12, the tightening degree of the prestress pull rope 2 is regulated, the external prestress intensity applied to the bridge body 1 is controlled, and the process realizes the pre-regulation of the deflection of the bridge body 1.
Further, a limiting plug-in component is further arranged on the connecting frame 11 and used for regulating and controlling limiting rotation of the movable frame 9; the limiting plug-in assembly comprises a mounting shaft arranged on the side wall of the connecting frame 11, one end of the mounting shaft is fixedly provided with a driving wheel 13, and the other end of the mounting shaft penetrates through a through groove formed in the side wall of the connecting frame 11 and is fixedly connected with a pin shaft where the movable frame 9 is located; and the connecting frame 15 is arranged on the side wall of the connecting frame 11, a movable shifting plate 16 is arranged in the connecting frame 15, one side of the shifting plate 16 is connected with the inner wall of the connecting frame 15 through a spring 18, and a limit post 14 fixed on the other side can be clamped with a single limit groove formed in the periphery of the driving wheel 13.
As shown in fig. 5, since the driving wheel 13 is fixedly connected with the movable frame 9 through the mounting shaft, one end of the limiting post 14 can be clamped with a single limiting groove formed in the periphery of the driving wheel 13, and the other end of the limiting post is fixedly connected with the shifting plate 16, in this embodiment, the number of limiting grooves formed in the driving wheel 13 is preferably 4 and is distributed at 90 °, so that the limiting post 14 can be clamped with or separated from the limiting groove by shifting the shifting plate 16, the angle adjustment of the movable frame 9 can be realized, so as to adapt to different mounting requirements, and the suitable range of the device is improved.
Further, the connecting rod transmission assembly comprises a second sucker arranged on the bridge body 1 and is used for connecting the connecting rod transmission assembly with the bridge body 1; the mounting frame 4 is arranged on the second sucking disc, a sliding rail 25 capable of sliding up and down and two supporting rods 6 which are arranged on the sliding rail 25 and capable of sliding horizontally are arranged in the mounting frame 4, a mounting frame 5 is fixed at the top of each supporting rod 6, a second mounting roller 19 is rotatably connected in the mounting frame 5, and the prestress pull rope 2 can be connected with the corresponding second mounting roller 19; the device also comprises a chute 20 arranged at the top of the mounting frame 4, wherein two sliding blocks 23 capable of sliding horizontally and a limiting frame 24 fixed on each sliding block 23 are arranged in the chute 20, and the supporting rod 6 can slide up and down in the corresponding limiting frame 24; the device also comprises mounting pieces 21 respectively arranged between the mounting frame 4 and the corresponding support rods 6, and a chute 20 rotatably connected between each group of mounting pieces 21, and is used for pushing the support rods 6 to horizontally move when the support rods 6 move up and down; the interior bottom of installing frame 4 still is provided with a plurality of electric telescopic handle 8, and electric telescopic handle 8's flexible end is connected with mounting bracket 5 for the removal of drive slide rail 25.
Because slide rail 25 can reciprocate in installing frame 4 inside, and two bracing pieces 6 again can be on slide rail 25 horizontal migration, on prestressing force stay cord 2 set up again on the second installation roller 19 at bracing piece 6 top, the spacing effect of cooperation spacing frame 24, and the promotion effect of transfer line 22, as shown in fig. 4, when need carry out the fine adjustment to bridge body 1 amount of deflection, namely carry out fine adjustment to prestressing force stay cord 2 degree of tightness, make electric telescopic handle 8 extend this moment, can promote slide rail 25 and bracing piece 6 upward movement, adjust prestressing force stay cord 2 tip's height, and at this moment through the effect of transfer line 22, can make two bracing pieces 6 upwards move, and inwards draw close, thereby make prestressing force stay cord 2 in the direction of original slope, tighten again, thereby strengthen the external prestressing force that applys bridge body 1, in order to satisfy bridge body 1 amount of precision adjustment's demand, the practicality of this device has been improved.
Further, a pressure sensor is further arranged between the telescopic end of the electric telescopic rod 8 and the sliding rail 25 and used for indirectly indicating the deflection change degree of the bridge body 1.
Through the pressure sensor arranged between the telescopic end of the electric telescopic rod 8 and the sliding rail 25, when prestress is applied, the prestress is adjusted once, namely when the length of the electric telescopic rod 8 is unchanged, the motor 12 where the initial position point installation assembly is positioned is controlled, the tightness of the prestress pulling rope 2 is adjusted, when the pulling rope 2 is straightened, the pulling rope 22 can enable the sliding rail 25 to have a downward trend, and the pressure sensed by the pressure sensor is the strength of the preset deflection;
when secondary adjustment, the electric telescopic rod 8 is driven to stretch at the moment, the pressure sensor can sense the pressure value change of the sliding rail 25 to the telescopic end of the electric telescopic rod 8, the pressure sensor can transmit pressure information to the singlechip, and the singlechip receives and analyzes and converts the pressure information into deflection change degree, so that the deflection change degree of the bridge body 1 can be obtained.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.
The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.
The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (6)
1. The utility model provides a prestressing force bridge deflection adjusting device which characterized in that includes:
the plurality of groups of point location installation components are arranged on two sides of the bridge body (1);
the connecting rod transmission assembly is arranged in the middle of the bridge body (1);
the device also comprises two symmetrically distributed prestress pull ropes (2), wherein each prestress pull rope (2) is in a V shape, one end of each prestress pull rope is connected with the first position point location installation component, the other end of each prestress pull rope is connected with the connecting rod transmission component, and the prestress pull ropes are used for pre-adjusting the deflection of the bridge body (1) when a driving device arranged on the first position point location installation component operates;
when the connecting rod transmission assembly operates, the device is used for secondary adjustment of the deflection of the bridge body (1).
2. The prestressed bridge deflection regulating device of claim 1, wherein:
each group of point location installation components comprises a first sucker (3) and an installation component arranged on the first sucker (3), and the first sucker (3) can be adsorbed on the side wall of the bridge body (1);
the installation component is including setting up link (11) on first sucking disc (3), and pass through the round pin axle rotation and connect movable frame (9) of link (11) opposite face, movable frame (9) outside rotation is connected with first installation roller (10), and prestressing force stay cord (2) set up on first installation roller (10).
3. The prestressed bridge deflection regulating device of claim 2, wherein:
the driving device comprises a motor (12) arranged on the inner side of a movable frame (9) where the first position point location installation assembly is located, and the output end of the motor (12) penetrates through a through hole formed in the movable frame (9) and is fixedly connected with the first installation roller (10) and is used for driving the first installation roller (10) to rotate.
4. The prestressed bridge deflection regulating device of claim 2, wherein:
the connecting frame (11) is also provided with a limiting plug-in assembly for regulating and controlling the limiting rotation of the movable frame (9);
the limiting plug-in assembly comprises a mounting shaft arranged on the side wall of the connecting frame (11), one end of the mounting shaft is fixedly provided with a driving wheel (13), and the other end of the mounting shaft penetrates through a through groove formed in the side wall of the connecting frame (11) and is fixedly connected with a pin shaft where the movable frame (9) is located;
and the connecting frame (15) is arranged on the side wall of the connecting frame (11), a movable shifting plate (16) is arranged inside the connecting frame (15), one side of the shifting plate (16) is connected with the inner wall of the connecting frame (15) through a spring (18), and a limiting column (14) fixed on the other side can be clamped with a single limiting groove formed in the periphery of the driving wheel (13).
5. The prestressed bridge deflection regulating device of claim 1, wherein:
the connecting rod transmission assembly comprises a mounting structure arranged on the bridge body (1) and is used for connecting the connecting rod transmission assembly with the bridge body (1);
the mounting frame (4) is arranged on the mounting structure, a sliding rail (25) capable of sliding up and down and two supporting rods (6) which are arranged on the sliding rail (25) and capable of sliding horizontally are arranged in the mounting frame (4), a mounting frame (5) is fixed at the top of each supporting rod (6), a second mounting roller (19) is rotatably connected in the mounting frame (5), and the prestress pull ropes (2) can be connected with the corresponding second mounting roller (19);
the device also comprises a sliding groove (20) arranged at the top of the mounting frame (4), wherein two sliding blocks (23) capable of sliding horizontally and a limiting frame (24) fixed on each sliding block (23) are arranged in the sliding groove (20), and the supporting rod (6) can slide up and down in the corresponding limiting frame (24);
the device also comprises mounting pieces (21) which are respectively arranged between the mounting frame (4) and the corresponding support rods (6), and sliding grooves (20) which are rotatably connected between each group of mounting pieces (21), and the sliding grooves are used for pushing the support rods (6) to horizontally move when the support rods (6) move up and down;
the inner bottom of the mounting frame (4) is also provided with a plurality of electric telescopic rods (8), and the telescopic ends of the electric telescopic rods (8) are connected with the mounting frame (5) and used for driving the sliding rail (25) to move.
6. The prestressed bridge deflection regulating device of claim 5, wherein:
and a pressure sensor is further arranged between the telescopic end of the electric telescopic rod (8) and the sliding rail (25) and used for indirectly indicating the deflection change degree of the bridge body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542714.XU CN219410591U (en) | 2023-03-15 | 2023-03-15 | Deflection adjusting device for prestressed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542714.XU CN219410591U (en) | 2023-03-15 | 2023-03-15 | Deflection adjusting device for prestressed bridge |
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| Publication Number | Publication Date |
|---|---|
| CN219410591U true CN219410591U (en) | 2023-07-25 |
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ID=87208184
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320542714.XU Active CN219410591U (en) | 2023-03-15 | 2023-03-15 | Deflection adjusting device for prestressed bridge |
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| CN (1) | CN219410591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116873757A (en) * | 2023-09-04 | 2023-10-13 | 中国船舶集团国际工程有限公司 | Fish-bellied crane girder |
-
2023
- 2023-03-15 CN CN202320542714.XU patent/CN219410591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116873757A (en) * | 2023-09-04 | 2023-10-13 | 中国船舶集团国际工程有限公司 | Fish-bellied crane girder |
| CN116873757B (en) * | 2023-09-04 | 2023-12-05 | 中国船舶集团国际工程有限公司 | Fish-bellied crane girder |
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