CN216839056U - Bridge is direction strutting arrangement for rotation method construction - Google Patents
Bridge is direction strutting arrangement for rotation method construction Download PDFInfo
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- CN216839056U CN216839056U CN202220217301.XU CN202220217301U CN216839056U CN 216839056 U CN216839056 U CN 216839056U CN 202220217301 U CN202220217301 U CN 202220217301U CN 216839056 U CN216839056 U CN 216839056U
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Abstract
The utility model belongs to the technical field of the bridge construction, concretely relates to bridge is turned method construction and is used direction strutting arrangement. A bridge is rotated construction of method and is used direction strutting arrangement, includes: the telescopic supporting device is arranged below the bridge floor; the first positioning rod and the second positioning rod are both arranged on the bottom surface of the bridge floor and extend vertically; the top surface of the first pier is provided with a first accommodating hole extending vertically, a first positioning rod is inserted into the first accommodating hole, and the bridge deck swings along the horizontal direction by taking the first positioning rod as a rotating shaft during bridge swivel construction; a second accommodating hole extending vertically is formed in the second bridge pier, and when the bridge deck rotating body is in place and the telescopic supporting device is in a supporting state, the second positioning rod is positioned right above the second accommodating hole; when the bridge deck rotating body is in place and the telescopic supporting device is in a reset state, the second positioning rod is inserted into the second accommodating hole, and the bridge deck is fixed on the first bridge pier and the second bridge pier.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, concretely relates to bridge is turned method construction and is used direction strutting arrangement.
Background
In recent years, with the construction of high-speed railways and highways, a large number of large bridges spanning the existing railways or highways are developed in succession, and the large bridges are restricted by construction space and existing traffic factors, so that the difficulty of adopting a conventional construction method is high.
In the prior art, a turning method is usually adopted to construct a bridge when the construction space is restricted, and influence on the traffic of the existing road is avoided. Bridge need lead to the bridge floor when the bridge method of turning is under construction, takes place the skew when preventing that the bridge floor from turning, leads to great construction error or potential safety hazard.
Traditional bridge is rotated method construction and is used direction strutting arrangement has simple structure and convenient operation's advantage, still has its weak point: in the using process, accurate positioning cannot be carried out, the guiding process takes longer time, and the efficiency is lower. Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a bridge is rotated construction and is used direction strutting arrangement to solve or alleviate the problem that exists among the above-mentioned prior art.
In order to achieve the above object, the present invention provides the following technical solutions: a guide supporting device for bridge swivel method construction comprises a bridge deck and bridge piers, wherein each bridge pier is provided with a top surface, a bottom surface and side surfaces and is provided with two rows of bridge piers, and the two paired bridge piers are respectively a first bridge pier and a second bridge pier; a guiding and supporting device for bridge rotation construction comprises:
the telescopic supporting device is arranged below the bridge deck, the telescopic direction is vertical, and the telescopic device has an extending state and a resetting state on a telescopic stroke; when the bridge deck is in the extending state, the telescopic supporting device supports the bridge deck and enables the bottom surface of the bridge deck to be separated from the top surfaces of the piers; when the bridge is in a reset state, the telescopic supporting device is separated from the bridge deck, and the bridge deck is supported on the piers;
the first positioning rod and the second positioning rod are arranged on the bottom surface of the bridge floor and extend vertically; the top surface of the first pier is provided with a first accommodating hole extending vertically, the first positioning rod is inserted into the first accommodating hole, and the bridge deck swings along the horizontal direction by taking the first positioning rod as a rotating shaft during bridge swivel construction; the second bridge pier is provided with a second accommodating hole which extends vertically, and the second positioning rod is positioned right above the second accommodating hole when the bridge deck rotating body is in place and the telescopic supporting device is in a supporting state; when the bridge deck rotating body is in place and the telescopic supporting device is in a reset state, the second positioning rod is inserted into the second accommodating hole, and the bridge deck is fixed on the first bridge pier and the second bridge pier.
Furthermore, the telescopic supporting device is divided into a first telescopic supporting device and a second telescopic supporting device; the first telescopic supporting device is arranged on the side face of the first pier, and the second telescopic supporting device is arranged on the side face of the second pier.
Further, the bridge pier comprises a bridge pier body and a base, the bridge pier body and the base are both cylindrical, the radial size of the base is larger than that of the bridge pier body, and the base is coaxially arranged at the upper part of the bridge pier body; the first accommodating hole and the second accommodating hole are respectively arranged on the corresponding bases.
Furthermore, the side of base is equipped with the fagging, flexible strutting arrangement passes through the fagging setting is in corresponding the side of base.
Further, the telescopic supporting device comprises a hydraulic cylinder and a rolling supporting module; the rolling support module is arranged at the output end of the hydraulic cylinder and forms rolling support for the bridge deck.
Further, the rolling support module comprises a roller frame, a roller and a roller shaft, the roller shaft is rotatably arranged on the roller frame through a bearing, the roller sleeve is fixedly arranged on the roller shaft, and the roller surface of the roller is used for being in rolling fit with the bottom surface of the bridge floor.
Furthermore, in each rolling support module, the number of the rollers is more than two and is parallel to each other, and the number of the roller shafts is matched with the number of the rollers; the extension line of the axis of one of the roll shafts is intersected with the first positioning rod.
Furthermore, the rolling support module of the second telescopic support device further comprises a motor, one of the roller shafts penetrates out of the roller frame and is in transmission connection with an output shaft of the motor, and the second telescopic support device drives the bridge deck to swing along the direction of the rotation body.
Furthermore, a driving wheel is coaxially fixed on the roller shaft in transmission connection with the motor, a driven wheel is coaxially fixed on the other roller shafts in the same rolling support module, and the driving wheel is in transmission connection with the driven wheel through a transmission chain.
Furthermore, the number of the first telescopic supporting devices and the number of the second telescopic supporting devices are two, the first telescopic supporting devices are located on two sides of the first bridge pier, the second telescopic supporting devices are located on two sides of the second bridge pier, and the first telescopic supporting devices and the second telescopic supporting devices are arranged on a straight line.
Has the advantages that: (1) the utility model discloses a bridge is rotated method construction and is used direction strutting arrangement forms a setpoint through the grafting of first locating rod and first accommodation hole when the bridge floor is rotated, makes the bridge floor rotate for the pivot around first locating rod, avoids the bridge floor to take place the skew when rotating; when the second positioning rod is positioned right above the second accommodating hole, the bridge deck rotating body is in place, the telescopic supporting device is controlled to be in a reset state, the second positioning rod is connected with the second accommodating hole in an inserting mode, the bridge deck is reliably supported on the bridge piers, the bridge deck rotating body is completed, accurate positioning can be achieved, and the guiding process is simple, rapid and reliable.
(2) The utility model discloses a bridge is turned method construction and is used direction strutting arrangement sets up the rotation of motor drive roller, and the frictional force through roller and bridge floor makes the bridge floor take place to turn to, need not establish the bridge floor thrustor in addition, makes the bridge floor turn the required device simple structure of construction, and construction cost is lower, and easy operation is direct.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a usage state diagram of a guiding and supporting device for bridge swivel method construction according to an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is a schematic view of a rolling support module of the second telescoping support device of FIG. 1;
fig. 5 is a schematic structural view of a rolling support module of the first telescopic support device in fig. 1.
In the figure: 1. a first bridge pier; 2. a first accommodation hole; 3. a motor; 4. a roller; 5. a rolling support module; 6. a second accommodation hole; 7. a second bridge pier; 8. a base; 9. a supporting plate; 10. a hydraulic cylinder; 11. a roller frame; 12. a roll shaft; 13. a bridge deck; 14. a second positioning rod; 15. a driving wheel; 16. a drive chain; 17. a first positioning rod; 18. a driven wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The present invention will be described in detail with reference to examples. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The bridge includes bridge floor 13 and pier, and the pier has two, and two pier in pairs are first pier 1 and second pier 7 respectively. The deck 13 has a top face (working face) and a bottom face (supporting face). The pier has top surface, bottom surface and side, and the pier includes pier body and base 8, and pier body and base 8 are cylindrically, and base 8's radial dimension is greater than pier body's radial dimension, and the coaxial setting of base 8 is on pier body's upper portion, and the top surface of pier is formed by base 8's top surface, and the side some of pier is located pier body, and another part is located base 8.
The bridge swivel construction is a construction method in which the bridge deck 13 is lifted and rotated at a certain angle in the horizontal plane, and then placed and fixed on the piers. The deck 13 needs to be temporarily supported before being placed on piers after being hoisted, and requires the deck 13 to be able to rotate in a horizontal plane while being temporarily supported.
The specific embodiment of the guiding and supporting device for bridge swivel method construction is used for temporarily supporting the bridge deck 13 after the bridge deck 13 is lifted and before the bridge deck 13 is placed on a pier; and drives the deck 13 swivel. As shown in fig. 1 to 5, a guiding and supporting device for bridge swivel construction includes a telescopic supporting device, a first positioning rod 17, and a second positioning rod 14.
The telescopic supporting device is arranged below the bridge floor 13, the telescopic direction is vertical, and the telescopic device has an extending state and a resetting state on the telescopic stroke; when in the extending state, the telescopic supporting device supports the bridge deck 13 and enables the bottom surface of the bridge deck 13 to be separated from the top surfaces of the piers; when the bridge is in the reset state, the telescopic supporting device is separated from the bridge deck 13, and the bridge deck 13 is supported on a pier.
The telescopic supporting device comprises a hydraulic cylinder 10 and a rolling supporting module 5; the rolling support module 5 is arranged at the output end of the hydraulic cylinder 10 and forms rolling support for the bridge deck 13. The rolling support module 5 comprises a roller frame 11, rollers 4 and roller shafts 12, the roller shafts 12 are rotatably arranged on the roller frame 11 through bearings, the rollers 4 are fixedly sleeved on the roller shafts 12, and the roller surfaces of the rollers 4 are in rolling fit with the bottom surface of the bridge deck 13 when the bridge deck 13 rotates.
In each rolling support module 5, the number of the rollers 4 is greater than two and is parallel to each other (in this embodiment, the number of the rollers 4 in each rolling support module 5 is five), and the number of the roller shafts 12 is matched with the number of the rollers 4; in each rolling support module 5, an extension line of the axis of one of the roller shafts 12 intersects with the first positioning rod 17.
The telescopic supporting device is divided into a first telescopic supporting device and a second telescopic supporting device; first flexible strutting arrangement sets up in the side of first pier 1, and the flexible strutting arrangement of second sets up in the side of second pier 7, and is concrete, and the side of base 8 is equipped with fagging 9, and flexible strutting arrangement passes through fagging 9 and sets up in the side of the base 8 that corresponds. The number of the first telescopic supporting devices and the number of the second telescopic supporting devices are two, the two first telescopic supporting devices are located on two sides of the first pier 1, the two second telescopic supporting devices are located on two sides of the second pier 7, and the two first telescopic supporting devices, the two second telescopic supporting devices, the first pier 1 and the second pier 7 are arranged on the same straight line.
The first telescopic support device and the second telescopic support device are structurally different: the rolling support module 5 of the second telescopic support device further comprises a motor 3, and one roll shaft 12 penetrates through the roll frame 11 and is in transmission connection with an output shaft of the motor 3. A driving wheel 15 is coaxially fixed on a roll shaft 12 which is in transmission connection with an output shaft of the motor 3, a driven wheel 18 is coaxially fixed on other roll shafts 12 in the rolling support module 5, and the driving wheel 15 is in transmission connection with the driven wheel 18 through a transmission chain 16.
The first positioning rod 17 and the second positioning rod 14 are both arranged on the bottom surface of the bridge deck 13 and extend vertically, and the length of the first positioning rod 17 is longer than that of the second positioning rod 14; the top surface of the first pier 1 is provided with a first accommodating hole 2 extending vertically, the second pier 7 is provided with a second accommodating hole 6 extending vertically, and specifically, the first accommodating hole 2 and the second accommodating hole 6 are respectively arranged on corresponding bases 8. The first positioning rod 17 is inserted into the first receiving hole 2, and the bridge deck 13 swings in the horizontal direction using the first positioning rod 17 as a rotation axis when the bridge deck 13 is rotated. When the bridge deck 13 is rotated in place and the telescopic supporting device is in a supporting state, the second positioning rod 14 is positioned right above the second accommodating hole 6; when the bridge floor 13 rotates in place and the telescopic supporting device is in a reset state, the second positioning rod 14 is inserted into the second accommodating hole 6, an inserting connection relation exists between the bridge floor 13 and the first pier 1 (the first positioning rod 17 is inserted into the first accommodating hole 2), an inserting connection relation also exists between the bridge floor 13 and the second pier 7 (the second positioning rod 14 is inserted into the second accommodating hole 6), and the bridge floor 13 is guaranteed to be reliably supported on the piers through the two inserting connection relations.
In the using process, under the driving of the motor 3 or the driving of the chain transmission mechanism (the chain transmission mechanism comprises a driving wheel 15, a driven wheel 18 and a transmission chain 16), each roller 4 in the second telescopic supporting device rotates, and because the rollers 4 have a friction relation with the bottom surface of the bridge floor 13, the bridge floor 13 can be driven to rotate in the rotating process of the rollers 4, and the bridge floor 13 can rotate towards the preset direction by adjusting the rotating direction of the motor 3. When the second positioning rod 14 is located right above the second accommodating hole 6, the position of the bridge deck 13 in the horizontal plane is adjusted, and the operator can turn off the motor 3.
The bridge floor 13 has a friction relationship with each roller 4 in the first telescopic supporting device, and when the bridge floor 13 rotates, each roller 4 in the first telescopic supporting device rotates, because the rotation stroke of the bridge floor 13 is actually the swinging of the bridge floor 13 by taking the axis of the first positioning rod 17 as a rotating shaft; therefore, in the swinging process of the bridge deck 13, the rotation angles of the rollers 4 in the first telescopic supporting device are different, so that no transmission mechanism is arranged between the rollers 4 to avoid mutual interference.
In the second telescopic supporting device, the rollers 4 are driven to synchronously rotate in a chain transmission mode and are used as force application points of the rotation body of the bridge surface 13, so that the force application points on the bridge surface 13 are increased, and the rotation angles of the rollers 4 are the same. The difference between the radian corresponding to the rotation angle of each roller 4 and the swing stroke of the deck 13 is compensated by the sliding friction between the corresponding roller 4 and the deck 13.
The application of the concrete embodiment of the guiding and supporting device for bridge rotation construction comprises the following steps:
the staff hoists the bridge floor 13 in the top of first pier 1 and second pier 7, supports bridge floor 13 through flexible strutting arrangement to insert first locating rod 17 in first accommodation hole 2. Then, the worker starts the motor 3, drives each roller 4 in the second telescopic supporting device to rotate through the motor 3, enables the bridge deck 13 to rotate through friction force between the bridge deck 13 and the rollers 4, and turns off the motor 3 when the second positioning rod 14 is positioned right above the second accommodating hole 6, wherein the position of the bridge deck 13 in the horizontal plane is a preset position; and then controlling each telescopic supporting device to be switched from the stretching state to the resetting state, and inserting the second positioning rod 14 into the second accommodating hole 6, wherein the rotation of the bridge deck 13 is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A guide supporting device for bridge swivel method construction comprises a bridge deck and bridge piers, wherein each bridge pier is provided with a top surface, a bottom surface and side surfaces and is provided with two rows of bridge piers, and the two paired bridge piers are respectively a first bridge pier and a second bridge pier; its characterized in that, a bridge is turned construction of method and is used direction strutting arrangement includes:
the telescopic supporting device is arranged below the bridge deck, the telescopic direction is vertical, and the telescopic device has an extending state and a resetting state on a telescopic stroke; when the bridge deck is in the extending state, the telescopic supporting device supports the bridge deck and enables the bottom surface of the bridge deck to be separated from the top surfaces of the piers; when the bridge is in a reset state, the telescopic supporting device is separated from the bridge deck, and the bridge deck is supported on the piers;
the first positioning rod and the second positioning rod are arranged on the bottom surface of the bridge floor and extend vertically; the top surface of the first pier is provided with a first accommodating hole extending vertically, the first positioning rod is inserted into the first accommodating hole, and the bridge deck swings along the horizontal direction by taking the first positioning rod as a rotating shaft during bridge swivel construction; the second bridge pier is provided with a second accommodating hole which extends vertically, and the second positioning rod is positioned right above the second accommodating hole when the bridge deck rotating body is in place and the telescopic supporting device is in a supporting state; when the bridge deck rotating body is in place and the telescopic supporting device is in a reset state, the second positioning rod is inserted into the second accommodating hole, and the bridge deck is fixed to the first bridge pier and the second bridge pier.
2. The guiding and supporting device for bridge swivel method construction according to claim 1, wherein the telescopic supporting device is divided into a first telescopic supporting device and a second telescopic supporting device; the first telescopic supporting device is arranged on the side face of the first pier, and the second telescopic supporting device is arranged on the side face of the second pier.
3. The guiding and supporting device for bridge swivel method construction according to claim 2, wherein the bridge pier comprises a bridge pier body and a base, the bridge pier body and the base are both cylindrical, the radial dimension of the base is larger than that of the bridge pier body, and the base is coaxially arranged at the upper part of the bridge pier body; the first accommodating hole and the second accommodating hole are respectively arranged on the corresponding bases.
4. The guiding and supporting device for bridge swivel construction according to claim 3, wherein a supporting plate is provided on a side surface of the base, and the telescopic supporting device is provided on a side surface corresponding to the base through the supporting plate.
5. The guiding and supporting device for bridge turning construction according to claim 4, wherein the telescopic supporting device comprises a hydraulic cylinder and a rolling supporting module; the rolling support module is arranged at the output end of the hydraulic cylinder and forms rolling support for the bridge deck.
6. The guiding and supporting device for bridge swivel method construction according to claim 5, wherein the rolling supporting module comprises a roller frame, rollers and a roller shaft, the roller shaft is rotatably arranged on the roller frame through a bearing, the rollers are sleeved and fixed on the roller shaft, and the roller surface of each roller is in rolling fit with the bottom surface of the bridge deck.
7. The guiding and supporting device for bridge turning method construction according to claim 6, wherein in each rolling supporting module, the number of the rollers is more than two and parallel to each other, and the number of the roller shafts is matched with the number of the rollers; the extension line of the axis of one of the roll shafts is intersected with the first positioning rod.
8. The guiding and supporting device for bridge swivel method construction according to claim 7, wherein the rolling supporting module of the second telescopic supporting device further comprises a motor, one of the roller shafts penetrates through the roller frame and is in transmission connection with an output shaft of the motor, and the second telescopic supporting device drives the bridge deck to swing along the swivel direction.
9. The guiding and supporting device for bridge rotation method construction according to claim 8, wherein a driving wheel is coaxially fixed on the roller shaft in transmission connection with the motor, a driven wheel is coaxially fixed on the other roller shafts in the same rolling supporting module, and the driving wheel and the driven wheel are in transmission connection through a transmission chain.
10. The guiding and supporting device for bridge swivel construction according to claim 2,
the number of the first telescopic supporting devices and the number of the second telescopic supporting devices are two, the first telescopic supporting devices are located on two sides of the first bridge pier, the second telescopic supporting devices are located on two sides of the second bridge pier, and the first telescopic supporting devices, the second telescopic supporting devices, the first bridge pier and the second bridge pier are arranged on a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220217301.XU CN216839056U (en) | 2022-01-26 | 2022-01-26 | Bridge is direction strutting arrangement for rotation method construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220217301.XU CN216839056U (en) | 2022-01-26 | 2022-01-26 | Bridge is direction strutting arrangement for rotation method construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216839056U true CN216839056U (en) | 2022-06-28 |
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ID=82085508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220217301.XU Active CN216839056U (en) | 2022-01-26 | 2022-01-26 | Bridge is direction strutting arrangement for rotation method construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216839056U (en) |
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2022
- 2022-01-26 CN CN202220217301.XU patent/CN216839056U/en active Active
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