CN113756211A - Rotation device for avoiding displacement in bridge rotation process and rotation construction method thereof - Google Patents
Rotation device for avoiding displacement in bridge rotation process and rotation construction method thereof Download PDFInfo
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- CN113756211A CN113756211A CN202111188907.1A CN202111188907A CN113756211A CN 113756211 A CN113756211 A CN 113756211A CN 202111188907 A CN202111188907 A CN 202111188907A CN 113756211 A CN113756211 A CN 113756211A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a swivel device for avoiding displacement in the rotation process of a bridge and a swivel construction method thereof, relates to the technical field of constructional engineering, and aims at solving the problem of poor stability of the existing swivel device. The construction method is simple, can effectively drive the bridge to rotate so as to carry out bridge folding work, and can support the rotating bridge so as to improve the stability of the bridge, thereby avoiding the bridge from shaking or shifting in the rotating process, and further effectively improving the engineering quality of the bridge.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a rotating device for avoiding displacement in the rotating process of a bridge and a rotating construction method thereof.
Background
The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. Bridges are generally composed of a superstructure, a substructure, a support and an attachment structure. In the process of bridge construction, corresponding rotation devices are needed to be used for conducting rotation construction on the bridge, and therefore the bridge is folded.
Although the existing turning device can drive the bridge to turn, the bridge often rocks or deflects in the rotating process, so that a large error exists, and even the bridge can be closed smoothly, so that the turning device for avoiding the displacement in the bridge rotating process and the turning construction method thereof are provided.
Disclosure of Invention
The swivel device for avoiding displacement in the rotation process of the bridge and the swivel construction method thereof solve the problem of poor stability of the swivel device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a swivel device for avoiding displacement in the rotation process of a bridge and a swivel construction method thereof comprise a bridge pier and the bridge positioned above the bridge pier, wherein a rotating assembly used for driving the bridge to steer is arranged on the bridge pier, and a stabilizing assembly used for stabilizing the bridge is further arranged on the bridge pier.
Preferably, the runner assembly is including seting up the rotation groove at the pier top, the bottom of bridge is rotated and is connected in the inside that rotates the groove, the bottom mounting of bridge has the steering column, the other end of steering column passes through the bearing and rotates the connection on the inner wall of rotation groove bottom, and the bridge that is located the rotation inslot portion is fixed with a plurality of supporting shoes, the inner wall that rotates the groove has seted up and has supported the groove, supporting shoe sliding connection is in the inside that supports the groove, the inner wall that rotates the groove bottom is fixed with a plurality of step motor, step motor's output transmission is connected with the drive shaft, the outer wall of drive shaft is fixed to have cup jointed the drive wheel, the outer wall of steering column is fixed to have cup jointed from the driving wheel, drive wheel and follow driving wheel cooperation work.
Preferably, the stabilizing component comprises stabilizing blocks positioned at two ends of a bridge pier, a plurality of stabilizing columns are fixed at the tops of the stabilizing blocks, a ring groove is formed in the bottom of the bridge, one ends of the stabilizing columns, far away from the stabilizing blocks, are all slidably connected inside the ring groove, threaded columns are arranged on two sides of the bridge pier, driving sleeves are sleeved on the outer walls of the threaded columns in a threaded manner, clamping grooves are formed in the inner walls of the stabilizing blocks, the driving sleeves are respectively and slidably connected inside the corresponding clamping grooves, fixing grooves are formed in the inner walls of the clamping grooves, fixing blocks are respectively and slidably connected inside the corresponding fixing grooves, one ends of the threaded columns, far away from the stepping motor, are rotatably connected onto the bridge pier through bearings, driving discs are fixed at the other ends of the threaded columns, and linkage columns are fixed on one sides, far away from the threaded columns, of the driving discs, the other end of linkage post is connected with the linkage dish through the bearing rotation, one side that the linkage post was kept away from to the linkage dish is fixed with the coupling post, the other end of coupling post rotates through the bearing and connects on the pier, the outer wall of coupling post is fixed to be cup jointed with the linkage wheel, and the drive shaft outer wall that is close to the linkage wheel is fixed to be cup jointed with the drive wheel, the outer wall of drive wheel and linkage wheel is equipped with the drive belt, drive wheel, linkage wheel and drive belt transmission cooperation work, one side that the linkage dish is close to the driving-disc is fixed with a plurality of pneumatic cylinders, one side that the driving-disc is close to the linkage dish has seted up a plurality of transmission grooves corresponding with the pneumatic cylinder, the piston end of pneumatic cylinder respectively with corresponding transmission groove sliding fit work.
Preferably, a plurality of sliding grooves are formed in the bridge pier, and the driving belt is connected inside the corresponding sliding grooves in a sliding mode.
Preferably, the bottom of pier has been seted up and has been loaded the groove, the equal sliding connection in both ends of loading groove has the restriction piece, the fixed cover of outer wall in screw thread column bottom has connect the restriction piece, the restriction piece slides the cover respectively and establishes in the outside of corresponding restriction piece, the inside of loading groove is equipped with the lead screw, the outer wall at lead screw middle part is fixed to be cup jointed and is connected the gear, and the lead screw outer wall that is located the connection gear both ends has all seted up the screw, and the screw direction is opposite, the equal thread cover in outer wall at lead screw both ends has the transmission cover, the transmission cover inlays respectively on corresponding restriction piece, the inner wall of loading groove is fixed with driving motor, driving motor's output end transmission is connected with the output shaft, the outer wall of output shaft is fixed to be cup jointed output gear, output gear and connection gear meshing work.
Preferably, the limiting block is a rectangular block, the limiting block is a concave block, and the limiting block are matched to work.
Preferably, the guide posts are fixed at two ends of the stabilizing block on one side of the pier, the guide grooves are formed at two ends of the stabilizing block on the other side of the pier, and the guide posts are respectively connected inside the corresponding guide grooves in a sliding mode.
Preferably, both ends of the screw rod are fixed with stop blocks, and the stop blocks are of circular structures.
A bridge swivel construction method comprises the following steps:
s1: hoisting the bridge through hoisting equipment, hoisting the bridge to the position above the bridge pier, and loading the bridge on the bridge pier;
s2: the rotating assembly drives the bridge to horizontally rotate until the bridge rotates to a preset folding horizontal position, and meanwhile, the stabilizing assembly stabilizes the rotating bridge to avoid the bridge from shifting in the rotating process;
s3: and after the bridge is closed, detaching the bridge from the hoisting equipment, pouring concrete into the closed position of the bridge, and after the concrete pouring is finished, finishing the bridge rotation.
In the invention:
1. the invention can effectively drive the bridge to rotate so as to carry out bridge folding work, and can support the rotating bridge so as to improve the stability of the bridge, thereby avoiding the bridge from shaking or shifting in the rotating process and further effectively improving the engineering quality of the bridge.
2. The construction method is simple, the stable assembly of the bridge can be simply and conveniently adjusted according to the construction requirements of workers, the use is convenient, and the stable assembly of the bridge can be limited, so that the stability of the bridge is improved, and the working performance is high.
Drawings
Fig. 1 is a schematic structural diagram of a swivel device for preventing displacement during the rotation of a bridge according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic structural diagram of a stabilizing block in a swivel device for preventing displacement during the rotation of a bridge according to the present invention;
fig. 5 is a schematic view of a bridge in a swivel device for preventing displacement during rotation of the bridge according to the present invention.
Reference numbers in the figures: 1. a bridge pier; 2. a bridge; 3. a rotating groove; 4. a steering column; 5. a stepping motor; 6. a drive shaft; 7. a drive wheel; 8. a driven wheel; 9. a stabilizing block; 10. a stabilization post; 11. an annular groove; 12. a threaded post; 13. a drive sleeve; 14. a card slot; 15. a fixed block; 16. fixing grooves; 17. a drive disc; 18. a linkage disk; 19. a coupling post; 20. a hydraulic cylinder; 21. a transmission groove; 22. a driving wheel; 23. a linkage wheel; 24. a transmission belt; 25. a loading slot; 26. a limiting block; 27. a limiting block; 28. a drive motor; 29. an output gear; 30. a connecting gear; 31. a transmission sleeve; 32. a screw rod; 33. a guide post; 34. a guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a swivel device for avoiding displacement during rotation of a bridge comprises a bridge pier 1 and a bridge 2 located above the bridge pier 1, wherein a rotating component for driving the bridge 2 to steer is arranged on the bridge pier 1, a stabilizing component for stabilizing the bridge 2 is also arranged on the bridge pier 1, the rotating component comprises a rotating groove 3 arranged at the top of the bridge pier 1, the bottom end of the bridge 2 is rotatably connected inside the rotating groove 3, a steering column 4 is fixed at the bottom end of the bridge 2, the other end of the steering column 4 is rotatably connected on the inner wall at the bottom of the rotating groove 3 through a bearing, a plurality of supporting blocks are fixed on the bridge 2 located inside the rotating groove 3, a supporting groove is formed in the inner wall of the rotating groove 3, the supporting groove is an annular groove, and the supporting blocks are slidably connected inside the supporting groove, the steering column 4 is supported by the cooperation of the supporting block and the supporting groove, so that the stability of the steering column 4 is improved.
The inner wall that rotates 3 bottoms in groove is fixed with a plurality of step motor 5, step motor 5's output end transmission is connected with drive shaft 6, drive shaft 6's outer wall is fixed to have cup jointed drive wheel 7, the outer wall of steering column 4 is fixed to have cup jointed from driving wheel 8, drive wheel 7 with from driving wheel 8 cooperation work, order about the bridge when turning when needs, accessible step motor 5's operation this moment, drive shaft 6 rotates, drive wheel 7 rotates, it rotates to drive from driving wheel 8, it rotates to drive steering column 4, accessible pivoted steering column 4 drives bridge 2 and rotates this moment, the staff can order about bridge 2 and turn work this moment.
The stabilizing component comprises stabilizing blocks 9 positioned at two ends of a bridge pier 1, a plurality of stabilizing columns 10 are fixed at the top of each stabilizing block 9, a ring-shaped groove 11 is formed in the bottom of the bridge 2, one ends, far away from the stabilizing blocks 9, of the stabilizing columns 10 are connected inside the ring-shaped groove 11 in a sliding mode, threaded columns 12 are arranged on two sides of the bridge pier 1, driving sleeves 13 are sleeved on outer walls of the threaded columns 12 in a threaded mode, clamping grooves 14 are formed in inner walls of the stabilizing blocks 9, the driving sleeves 13 are connected inside the corresponding clamping grooves 14 in a sliding mode respectively, fixing grooves 16 are formed in inner walls of the clamping grooves 14 respectively, fixing blocks 15 are fixed on the driving sleeves 13 inside the clamping grooves 14 respectively, the fixing blocks 15 are connected inside the corresponding fixing grooves 16 in a sliding mode respectively, one ends, far away from the stepping motors 5, of the threaded columns 12 are connected to the bridge pier 1 in a rotating mode through bearings, driving discs 17 are fixed at the other ends of the threaded columns 12, and linkage columns are fixed on one sides, far away from the threaded columns 12, of the driving discs 17, the other end of the linkage column is rotatably connected with a linkage disc 18 through a bearing, one side of the linkage disc 18, which is far away from the linkage column, is fixedly provided with a linkage column 19, the other end of the linkage column 19 is rotatably connected on the pier 1 through a bearing, the outer wall of the linkage column 19 is fixedly sleeved with a linkage wheel 23, the outer wall of a driving shaft 6, which is close to the linkage wheel 23, is fixedly sleeved with a driving wheel 22, the outer walls of the driving wheel 22 and the linkage wheel 23 are provided with a driving belt 24, the driving wheel 22, the linkage wheel 23 and the driving belt 24 are in transmission fit operation, one side of the linkage disc 18, which is close to a driving disc 17, is fixedly provided with a plurality of hydraulic cylinders 20, one side of the driving disc 17, which is close to the linkage disc 18, is provided with a plurality of transmission grooves 21 corresponding to the hydraulic cylinders 20, the piston ends of the hydraulic cylinders 20 are respectively in sliding fit operation with the corresponding transmission grooves 21, and when the bridge 2 is in rotation operation, the bridge 2 can be supported through the fit operation of the stable column 10 and the annular groove 11, thereby improve the stability ability of bridge 2 to avoid bridge 2 to take place to rock or skew at the in-process of turning, effectual improvement bridge 2's engineering quality then.
And when the bridge 2 is turned, the driven wheel 8 can be detached from the steering column 4, then the piston end of the hydraulic cylinder 20 is driven to displace through the operation of the hydraulic cylinder 20, when the piston end of the hydraulic cylinder 20 enters into the corresponding transmission groove 21, the driving shaft 6 is driven to rotate through the operation of the stepping motor 5, the driving wheel 22 is driven to rotate, the linkage wheel 23 is driven to rotate, the connection column 19 is driven to rotate, the linkage disc 18 and the driving disc 17 are driven to rotate, the threaded column 12 is driven to rotate, at the moment, the driving sleeve 13 is driven to vertically displace through the rotating threaded column 12, the stabilizing block 9 is driven to vertically displace, the stabilizing column 10 is driven to vertically displace, when the stabilizing column 10 is detached from the outside of the annular groove 11, a user can pull the stabilizing block 9 to drive the stabilizing block 9 to separate from the bridge pier 1, at the moment, the stabilizing component of the bridge 2 is detached from the bridge 2, thereby the user continues to use the stable component conveniently.
A plurality of chutes are formed in the pier 1, the driving belt 24 is connected inside the corresponding chutes in a sliding mode, and the driving belt 24 can slide flexibly through the chutes.
The bottom of the pier 1 is provided with a loading groove 25, both ends of the loading groove 25 are slidably connected with limiting blocks 26, the outer wall of the bottom of the threaded column 12 is fixedly sleeved with the limiting blocks 27, the limiting blocks 26 are respectively slidably sleeved outside the corresponding limiting blocks 27, a screw rod 32 is arranged inside the loading groove 25, the outer wall of the middle part of the screw rod 32 is fixedly sleeved with a connecting gear 30, the outer walls of the screw rods 32 at both ends of the connecting gear 30 are respectively provided with threads, the directions of the threads are opposite, the outer walls at both ends of the screw rods 32 are respectively sleeved with a transmission sleeve 31 in a threaded manner, the transmission sleeves 31 are respectively embedded on the corresponding limiting blocks 26, the inner wall of the loading groove 25 is fixedly provided with a driving motor 28, the driving motor 28 is a forward and reverse rotation motor, the output end of the driving motor 28 is in transmission connection with an output shaft, the outer wall of the output shaft is fixedly sleeved with an output gear 29, the output gear 29 is meshed with the connecting gear 30 for operation, and when the threaded column 12 is required to operate, accessible driving motor 28's operation, it rotates to drive the output shaft, it rotates to drive output gear 29, it rotates to drive connecting gear 30, it rotates to drive lead screw 32, it rotates to drive transmission cover 31, it carries out the displacement to drive limiting block 26, after limiting block 26 separates with limiting block 27, threaded post 12 can carry out nimble rotation this moment, and when not needing threaded post 12 to move, accessible driving motor 28's reverse running, it rotates to drive the output shaft, it rotates to drive output gear 29, it rotates to drive connecting gear 30, it rotates to drive lead screw 32, it rotates to drive transmission cover 31, it carries out the displacement to drive limiting block 26, after limiting block 27's outside is established to limiting block 26 cover, threaded post 12 is restricted by limiting block 26 this moment, then the effectual stability performance who improves threaded post 12.
The limiting block 27 is a rectangular block, the limiting block 26 is a concave block, the limiting block 26 and the limiting block 27 work in a matching mode, and the limiting block 27 can be effectively limited through the limiting block 26 with a concave structure.
The two ends of the stabilizing block 9 positioned on one side of the pier 1 are both fixed with guide posts 33, the two ends of the stabilizing block 9 positioned on the other side of the pier 1 are both provided with guide grooves 34, the guide posts 33 are respectively connected inside the corresponding guide grooves 34 in a sliding manner, and the two stabilizing blocks 9 can be connected through the matching work of the guide grooves 34 and the guide posts 33.
Both ends of the screw rod 32 are fixed with stoppers which are circular structures, and the transmission sleeve 31 and the screw rod 32 can be prevented from being separated through the stoppers.
A bridge swivel construction method comprises the following steps:
s1: hoisting the bridge 2 by hoisting equipment, hoisting the bridge 2 above the pier 1, and loading the bridge 2 on the pier 1;
s2: the rotating assembly drives the bridge 2 to horizontally rotate until the bridge 2 rotates to a preset folding horizontal position, and meanwhile, the stabilizing assembly stabilizes the rotating bridge 2 to avoid the bridge 2 from shifting in the rotating process;
s3: after the bridge 2 is folded, the bridge 2 is detached from the hoisting equipment, concrete is poured into the folded position of the bridge 2, and after the concrete pouring is finished, the turning of the bridge 2 is finished.
The working principle is as follows: the bridge 2 is lifted by a lifting device, the bridge 2 is lifted to the upper part of the bridge pier 1, the bridge 2 is loaded on the bridge pier 1, the driving shaft 6 is driven to rotate by the operation of the stepping motor 5, the driving wheel 7 is driven to rotate, the driven wheel 8 is driven to rotate, the steering column 4 is driven to rotate, the bridge 2 can be driven to rotate by the rotating steering column 4, the bridge 2 can be driven to rotate by a worker at the moment, and when the bridge 2 rotates, the bridge 2 can be supported by the matching work of the stabilizing column 10 and the annular groove 11, so that the stability of the bridge 2 is improved, the bridge 2 is prevented from shaking or deviating in the rotating process, the engineering quality of the bridge 2 is effectively improved, and after the bridge 2 rotates, the driven wheel 8 can be detached from the steering column 4, and then the hydraulic cylinder 20 operates, the piston end of the hydraulic cylinder 20 is driven to move, when the piston end of the hydraulic cylinder 20 enters the corresponding transmission groove 21, the driving shaft 6 is driven to rotate through the operation of the stepping motor 5, the driving wheel 22 is driven to rotate, the linkage wheel 23 is driven to rotate, the linkage column 19 is driven to rotate, the linkage disc 18 and the driving disc 17 are driven to rotate, the threaded column 12 is driven to rotate, the driving sleeve 13 is driven to vertically move through the rotatable threaded column 12 at the moment, the stabilizing block 9 is driven to vertically move, the stabilizing block 10 is driven to vertically move, when the stabilizing column 10 is separated from the outside of the annular groove 11, a user can pull the stabilizing block 9 to drive the stabilizing block 9 to be separated from the pier 1, the stabilizing component of the bridge 2 is separated from the bridge 2 at the moment, and therefore the user can continue to use the stabilizing component, and the use is convenient.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an avoid bridge to rotate device of turning of in-process displacement, includes pier (1) and bridge (2) that are located pier (1) top, its characterized in that, be equipped with on pier (1) and be used for driving turning component that bridge (2) turned to, still be equipped with the stabilizing component who is used for stabilizing bridge (2) on pier (1).
2. The swivel device for avoiding displacement during rotation of a bridge according to claim 1, wherein the rotating assembly comprises a rotating groove (3) formed at the top of a bridge pier (1), the bottom end of the bridge (2) is rotatably connected inside the rotating groove (3), a steering column (4) is fixed at the bottom end of the bridge (2), the other end of the steering column (4) is rotatably connected to the inner wall of the bottom of the rotating groove (3) through a bearing, the bridge (2) inside the rotating groove (3) is fixed with a plurality of supporting blocks, the inner wall of the rotating groove (3) is provided with a supporting groove, the supporting blocks are slidably connected inside the supporting groove, the inner wall of the bottom of the rotating groove (3) is fixed with a plurality of stepping motors (5), the output ends of the stepping motors (5) are in transmission connection with a driving shaft (6), the outer wall of the driving shaft (6) is fixedly sleeved with a driving wheel (7), the outer wall of the steering column (4) is fixedly sleeved with a driven wheel (8), and the driving wheel (7) and the driven wheel (8) work in a matched mode.
3. The swivel device for avoiding displacement in the rotation process of a bridge according to claim 2, wherein the stabilizing assembly comprises stabilizing blocks (9) at two ends of the bridge pier (1), a plurality of stabilizing columns (10) are fixed at the top of the stabilizing blocks (9), an annular groove (11) is formed in the bottom of the bridge (2), one ends of the stabilizing columns (10) far away from the stabilizing blocks (9) are slidably connected inside the annular groove (11), threaded columns (12) are arranged at two sides of the bridge pier (1), driving sleeves (13) are respectively sleeved on the outer walls of the threaded columns (12) in a threaded manner, clamping grooves (14) are respectively formed in the inner walls of the stabilizing blocks (9), the driving sleeves (13) are respectively slidably connected inside the corresponding clamping grooves (14), fixing grooves (16) are respectively formed in the inner walls of the clamping grooves (14), and fixing blocks (15) are respectively fixed on the driving sleeves (13) inside the clamping grooves (14), the fixing block (15) is respectively connected inside the corresponding fixing groove (16) in a sliding manner, one end, far away from the stepping motor (5), of the threaded column (12) is connected onto the pier (1) through a bearing in a rotating manner, the other end of the threaded column (12) is fixedly provided with a driving disc (17), one side, far away from the threaded column (12), of the driving disc (17) is fixedly provided with a linkage column, the other end of the linkage column is rotatably connected with a linkage disc (18) through a bearing, one side, far away from the linkage column, of the linkage disc (18) is fixedly provided with a coupling column (19), the other end of the coupling column (19) is rotatably connected onto the pier (1) through a bearing, the outer wall of the coupling column (19) is fixedly sleeved with a linkage wheel (23), the outer wall of a driving shaft (6) close to the linkage wheel (23) is fixedly sleeved with a driving wheel (22), and the outer walls of the driving wheel (22) and the linkage wheel (23) are provided with a driving belt (24), the transmission wheel (22), the linkage wheel (23) and the transmission belt (24) are in transmission fit operation, one side, close to the driving disc (17), of the linkage disc (18) is fixed with a plurality of hydraulic cylinders (20), one side, close to the linkage disc (18), of the driving disc (17) is provided with a plurality of transmission grooves (21) corresponding to the hydraulic cylinders (20), and piston ends of the hydraulic cylinders (20) are in sliding fit operation with the corresponding transmission grooves (21) respectively.
4. The swivel device for avoiding displacement during the rotation of a bridge according to claim 3, wherein the bridge pier (1) is provided with a plurality of sliding grooves, and the driving belts (24) are respectively connected in the corresponding sliding grooves in a sliding manner.
5. The swivel device for avoiding displacement during rotation of a bridge according to claim 3, wherein the bottom of the bridge pier (1) is provided with a loading slot (25), both ends of the loading slot (25) are slidably connected with limiting blocks (26), the outer wall of the bottom of the threaded column (12) is fixedly sleeved with the limiting blocks (27), the limiting blocks (26) are respectively slidably sleeved outside the corresponding limiting blocks (27), the loading slot (25) is internally provided with a screw rod (32), the outer wall of the middle part of the screw rod (32) is fixedly sleeved with a connecting gear (30), the outer walls of the screw rods (32) at both ends of the connecting gear (30) are respectively provided with threads, the thread directions are opposite, the outer walls at both ends of the screw rod (32) are respectively sleeved with a transmission sleeve (31), and the transmission sleeves (31) are respectively embedded on the corresponding limiting blocks (26), the loading device is characterized in that a driving motor (28) is fixed on the inner wall of the loading groove (25), the output end of the driving motor (28) is in transmission connection with an output shaft, an output gear (29) is fixedly sleeved on the outer wall of the output shaft, and the output gear (29) and a connecting gear (30) are in meshing work.
6. A swivel device for avoiding displacement during rotation of a bridge according to claim 5, wherein the limiting blocks (27) are rectangular blocks, the limiting blocks (26) are concave blocks, and the limiting blocks (26) and the limiting blocks (27) are cooperatively operated.
7. The swivel device for avoiding displacement during the rotation of the bridge according to claim 3, wherein the guide posts (33) are fixed at both ends of the stabilizing block (9) at one side of the bridge pier (1), the guide grooves (34) are formed at both ends of the stabilizing block (9) at the other side of the bridge pier (1), and the guide posts (33) are respectively connected inside the corresponding guide grooves (34) in a sliding manner.
8. The swivel device for avoiding displacement during rotation of a bridge according to claim 5, wherein the two ends of the screw rod (32) are fixed with stoppers, and the stoppers are of circular structures.
9. A bridge swivel construction method comprises the following steps:
s1: the bridge (2) is lifted by the lifting equipment, the bridge (2) is lifted to the position above the pier (1), and the bridge (2) is loaded on the pier (1);
s2: the rotating assembly drives the bridge (2) to horizontally rotate until the bridge (2) rotates to a preset folding horizontal position, and meanwhile, the stabilizing assembly stabilizes the rotating bridge (2) to avoid the bridge (2) from shifting in the rotating process;
s3: after the bridge (2) is folded, the bridge (2) is detached from the hoisting equipment, concrete is poured into the folded position of the bridge (2), and after the concrete pouring is finished, the turning of the bridge (2) is finished.
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