CN116356716A - Bridge turning device and turning method - Google Patents
Bridge turning device and turning method Download PDFInfo
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- CN116356716A CN116356716A CN202310357231.7A CN202310357231A CN116356716A CN 116356716 A CN116356716 A CN 116356716A CN 202310357231 A CN202310357231 A CN 202310357231A CN 116356716 A CN116356716 A CN 116356716A
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- push rod
- bridge
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- upper turntable
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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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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- 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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- Civil Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge construction, in particular to a bridge turning device and a turning method, comprising a lower pouring bearing platform, an upper turntable and two rotating traction ropes, wherein a lower spherical hinge and an upper spherical hinge are arranged in the lower pouring bearing platform, the upper spherical hinge is arranged at the upper part of the lower spherical hinge through a steel pin, the upper turntable is connected with the upper part of the upper spherical hinge, an annular sliding rail is fixed at the upper part of the lower pouring bearing platform, the sliding rail is coaxially arranged with the upper turntable, a plurality of sliding sleeves are arranged on the sliding rail in a sliding manner, a first push rod is rotatably arranged at the upper part of the sliding sleeve, a second push rod is rotatably connected at the other end of the first push rod, a plurality of stress blocks are fixedly arranged on the upper turntable along the outer wall of the upper turntable in a circle, one ends of the second push rods are respectively abutted against the stress blocks, and one ends of the two rotating traction ropes are fixedly arranged on the outer wall of the upper turntable. According to the invention, a plurality of pushing points actually exist in one circle of the upper turntable, so that overlarge stress caused by single-point pulling of the rotating traction rope and the upper turntable is avoided, the average rotation traction force of one circle of the upper turntable is ensured, and the rotation stability is improved.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge turning device and a bridge turning method.
Background
The bridge turning construction can well overcome the construction difficulty of a deep water foundation of a high mountain canyon and a water depth emergency river channel or the difficulty of erecting a large-span structure on a river channel which is frequently navigated, and particularly has more obvious advantages for constructing an urban overpass and a railway overpass bridge which are in heavy transportation.
The current traction cable is generally divided into two sections, one end of each of the two sections of traction cables is fixed on the outer wall of the upper rotary table and winds the upper rotary table, when the traction cable is driven to draw, the two traction cables are pulled to two sides to drive the upper rotary table to rotate, the traction cable is driven in such a way, the pulling points are completely acted on the connection points of the traction cable and the upper rotary table, the stress points are unique, the single-point stress of the traction cable is overlarge, the connection points of the traction cable and the upper rotary table are easy to drop, the temporary replacement of a new traction cable is inconvenient, and the engineering progress is delayed.
Disclosure of Invention
Therefore, the invention aims to provide a bridge turning device and a turning method, which are used for solving the problem that single point stress is overlarge caused by single stress between the existing traction rope and an upper turntable during driving.
Based on the above purpose, the invention provides a bridge swivel device and a swivel method.
The utility model provides a bridge device of turning, includes pouring the cushion cap under, go up carousel, two rotation haulage ropes, be equipped with down the ball pivot in the pouring cushion cap down, go up the ball pivot and set up in ball pivot upper portion down through the steel pin, go up the ball pivot and connect ball pivot upper portion, encircle down the ball pivot, go up the ball pivot outside and be equipped with the spike slide, go up carousel bottom round and install a plurality of spike, and a plurality of spike lower extreme all are connected in the spike slide, pour the cushion cap upper portion under and be fixed with annular slide rail, slide rail and last carousel coaxial setting down, slide rail is gone up to slide and is equipped with a plurality of sliding sleeves, and slide sleeve upper portion all rotates and is equipped with first push rod, and the equal rotation of first push rod other end is connected with the second push rod, it is fixed with a plurality of atress pieces to go up carousel round along its outer wall, a plurality of second push rod one end respectively support tightly in a plurality of atress pieces, and two rotation haulage rope one end all are fixed in on the carousel outer wall, and two rotation haulage ropes all bypass first push rod, second push rod outer wall, be equipped with locking mechanism between slide rail.
Further, the device also comprises a supporting foot slide way positioning framework and a lower spherical hinge positioning framework, wherein the supporting foot slide way is arranged on the upper part of the supporting foot slide way positioning framework, and the lower spherical hinge is arranged on the upper part of the lower spherical hinge positioning framework.
Further, the device further comprises a second pouring layer and a third pouring layer, wherein the second pouring layer is used for pouring the supporting foot slide way positioning framework and the lower spherical hinge positioning framework, the third pouring layer is used for pouring the upper rotary table and connecting the upper rotary table and the upper spherical hinge, and the lower pouring bearing platform is the first pouring layer.
Further, the first push rod and the second push rod are connected in a rotating mode through a pin shaft, two guide wheels are sleeved on the pin shaft, and two rotating traction ropes respectively bypass two groups of guide wheels with different heights.
Further, the outer walls of the two opposite sides of the upper rotary table are respectively fixed with a connecting block, the two connecting blocks are arranged in a staggered mode, one ends of the two rotary traction ropes are respectively fixed on the two connecting blocks, and the two connecting blocks respectively correspond to the horizontal heights of the two groups of guide wheels.
Further, the locking mechanism comprises a plurality of rotating sleeves, the rotating sleeves are respectively arranged on the upper portions of the sliding sleeves in a rotating mode, a plurality of first push rods are respectively fixed on one sides of the rotating sleeves, bolts are inserted into the lower ends of the rotating sleeves, jacks are respectively arranged on the upper portions of the sliding sleeves and close to the rotating sleeves, a plurality of lock holes are formed in the upper portions of the sliding rails at equal intervals, the lock holes are correspondingly formed in the lock holes, and the bolts penetrate through the jacks and are inserted into the lock holes.
Further, the bolt is provided with a spiral groove along the outer wall of the bolt, a sliding pin is fixed on the inner wall of one side of the rotating sleeve, and the sliding pin is arranged in the spiral groove in a sliding mode.
Further, limiting grooves are formed in the inner walls of the two sides of the jack, limiting blocks are fixed to the lower portions of the outer walls of the two sides of the bolt, and the two limiting blocks are respectively arranged in the two limiting grooves in a sliding mode.
Further, two traction reaction seats are fixed on the lower pouring bearing platform, and one ends of the two rotating traction ropes respectively penetrate through the two traction reaction seats.
A swivel method of a bridge swivel device, comprising the steps of:
step one: after the device is constructed, the bridge pier at the bridge turning point is poured on the upper part of the upper turntable, and when the device is rotated, the driving system pulls one ends of the two rotating traction ropes;
step two: one end of the rotating traction rope is pulled and then does not directly drive the upper turntable to rotate, but indirectly extrudes a plurality of first push rods and second push rods to shrink and tighten;
step three: when the first push rod and the second push rod shrink, one ends of the plurality of second push rods extrude the stress blocks, so that the upper turntable is pushed to pre-start rotation under the action of multiple points;
step four: when the first push rod and the second push rod shrink, the rotating sleeve relatively rotates, the bolt is pulled under the action of the spiral groove and the sliding pin, so that the sliding sleeves are unlocked with the sliding rail, and at the moment, the sliding sleeves can rotate along the sliding rail;
step five: the whole action process is as follows: the traction cable is driven to be tensioned, and the plurality of second push rods are extruded to push the stress blocks to push the upper turntable to start rotating in advance during tensioning, so that the sliding sleeve is unlocked with the sliding rail, the plurality of sliding sleeves, the first push rods, the second push rods and the stress blocks are combined with the upper turntable into a whole, and the traction cable is rotated to continuously carry out traction action to continuously drive the upper turntable to rotate.
The invention has the beneficial effects that:
1. according to the invention, during rotation operation, the driving system pulls one ends of the two rotating traction ropes to move in opposite directions, the rotating traction ropes are pulled and then indirectly squeeze the first push rod and the second push rod to shrink and tighten, so that one ends of the plurality of second push rods are both extruded with the stress blocks, a plurality of pushing points actually exist in one circle of the upper turntable when the upper turntable starts to rotate, overlarge stress fracture caused by single-point pulling of the rotating traction ropes and the upper turntable is avoided, uniform stress is ensured, the average rotation traction force of one circle of the upper turntable is ensured, and the rotation stability is improved.
2. According to the invention, when the first push rod and the second push rod shrink, the rotating sleeve rotates relatively to drive the plug pin to move and separate from the lock hole, so that the sliding sleeves are unlocked from the sliding rail, and at the moment, the sliding sleeves can rotate along the sliding rail, so that the sliding sleeves automatically unlock and slide along the sliding rail after the plurality of second push rods push the upper rotary table to be started in advance, and the influence on the follow-up continuous rotation is avoided.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a schematic diagram of an embodiment of the present invention;
FIG. 4 is a schematic diagram of an embodiment of the present invention;
FIG. 5 is a schematic diagram of an embodiment of the present invention;
FIG. 6 is a schematic diagram of an embodiment of the present invention;
FIG. 7 is a schematic diagram of an embodiment of the present invention;
fig. 8 is a schematic diagram of an embodiment of the present invention.
Marked in the figure as:
1. pouring a bearing platform; 2. an upper turntable; 3. a third casting layer; 4. a connecting block; 5. rotating the traction rope; 6. a first push rod; 7. a second push rod; 8. a traction reaction seat; 9. a lock hole; 10. a slide rail; 11. a supporting foot slideway; 12. a spherical hinge is arranged; 13. a lower spherical hinge; 14. a supporting leg slideway positioning framework; 15. positioning a framework by a lower spherical hinge; 16. a stress block; 17. a sliding sleeve; 18. a second casting layer; 19. a rotating sleeve; 20. a guide wheel; 21. a plug pin; 22. a spiral groove; 23. a limiting block; 24. a jack; 25. and a limit groove.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1-8, a bridge swivel device comprises a lower pouring bearing platform 1, an upper turntable 2 and two rotary traction ropes 5, wherein a lower spherical hinge 13 and an upper spherical hinge 12 are arranged in the lower pouring bearing platform 1, the upper spherical hinge 12 is arranged on the upper portion of the lower spherical hinge 13 through a steel pin, the upper turntable 2 is connected with the upper portion of the upper spherical hinge 12, a supporting foot slideway 11 is arranged around the lower spherical hinge 13 and the outer portion of the upper spherical hinge 12, a plurality of supporting feet are arranged at the bottom of the upper turntable 2 in a circle, the lower ends of the supporting feet are connected with the supporting foot slideway 11, an annular sliding rail 10 is fixed on the upper portion of the lower pouring bearing platform 1, the sliding rail 10 and the upper turntable 2 are coaxially arranged, a plurality of sliding sleeves 17 are slidably arranged on the sliding rail 10, a first push rod 6 is rotatably arranged on the upper portion of the sliding sleeve 17, the other end of the first push rod 6 is rotatably connected with a second push rod 7, a plurality of stress blocks 16 are fixedly arranged on the upper turntable 2 along the outer wall of the upper turntable 2, one end of the second push rod 7 is respectively abutted to the plurality of stress blocks 16, one end of the two rotary traction ropes 5 is fixedly arranged on the outer wall of the upper turntable 2, the two rotary traction ropes 5 are uniformly arranged on the outer wall of the upper turntable 2, the sliding rail 5 is uniformly and the sliding rail 5 is prevented from being broken by the sliding rail 5, and the first push rod 5 and the sliding rope is uniformly arranged on the upper turntable 2.
Further, still include spike slide positioning skeleton 14, lower spherical hinge positioning skeleton 15, spike slide 11 sets up in spike slide positioning skeleton 14 upper portion, lower spherical hinge 13 sets up in lower spherical hinge positioning skeleton 15 upper portion, still include second pouring layer 18, third pouring layer 3, second pouring layer 18 pour spike slide positioning skeleton 14, lower spherical hinge positioning skeleton 15 in, third pouring layer 3 pour in last carousel 2 and pour last carousel 2, last spherical hinge 12 and connect, lower pouring cap 1 is first pouring layer, second pouring layer 18, third pouring layer 3 are constructed in proper order.
Further, the first push rod 6 and the second push rod 7 are connected in a rotating mode through a pin shaft, two guide wheels 20 are sleeved on the pin shaft, two groups of guide wheels 20 with different heights are respectively wound by the two rotating traction ropes 5, connecting blocks 4 are fixed on the outer walls of two opposite sides of the upper rotating disc 2, the two connecting blocks 4 are arranged in a staggered mode, one ends of the two rotating traction ropes 5 are respectively fixed on the two connecting blocks 4, and the two connecting blocks 4 respectively correspond to the horizontal heights of the two groups of guide wheels 20.
Further, the locking mechanism comprises a plurality of rotating sleeves 19, the rotating sleeves 19 are respectively arranged on the upper portions of the sliding sleeves 17 in a rotating mode, a plurality of first push rods 6 are respectively fixed on one sides of the rotating sleeves 19, bolts 21 are inserted into the lower ends of the rotating sleeves 19, insertion holes 24 are formed in the positions, close to the rotating sleeves 19, of the upper portions of the sliding sleeves 17, a plurality of lock holes 9 are formed in the upper portions of the sliding rails 10 at equal intervals, the lock holes 9 are correspondingly formed in the insertion holes 24, the bolts 21 penetrate through the insertion holes 24 and are inserted into the lock holes 9, so that the sliding sleeves 17 and the sliding rails 10 are relatively locked and fixed, and the second push rods 7 are convenient to push the stress blocks 16.
Further, the bolt 21 is provided with a spiral groove 22 along its outer wall, a sliding pin is fixed on the inner wall of one side of the rotating sleeve 19, the sliding pin is slidably arranged in the spiral groove 22, and when the rotating sleeve 19 rotates relatively, the bolt 21 is lifted under the action of the spiral groove 22 and the sliding pin, and the sliding sleeves 17 are unlocked from the sliding rail 10.
Further, limiting grooves 25 are formed in the inner walls of the two sides of the jack 24, limiting blocks 23 are fixed to the lower portions of the outer walls of the two sides of the plug 21, the two limiting blocks 23 are respectively arranged in the two limiting grooves 25 in a sliding mode, the plug 21 is prevented from rotating, and smooth lifting is guaranteed.
Further, two traction counterforce seats 8 are fixed on the lower pouring bearing platform 1, one ends of the two rotary traction ropes 5 respectively penetrate through the two traction counterforce seats 8, and the traction counterforce seats 8 can play a reverse limiting role when the rotary traction ropes 5 are driven.
A swivel method of a bridge swivel device, comprising the steps of:
after the device is constructed, pouring bridge piers at the bridge turning points on the upper part of the upper turntable 2, and pulling one ends of two rotary traction ropes 5 by a driving system during turning operation; one end of the rotating traction rope 5 is pulled to directly not drive the upper turntable 2 to rotate, but indirectly extrude a plurality of first push rods 6 and second push rods 7 to shrink and tighten; when the first push rod 6 and the second push rod 7 shrink, one ends of the plurality of second push rods 7 squeeze the stress blocks 16, so that the upper turntable 2 is pushed by multipoint action to start rotating in advance; when the first push rod 6 and the second push rod 7 are contracted, the rotating sleeve 19 rotates relatively, the plug pin 21 is pulled under the action of the spiral groove 22 and the sliding pin, so that the sliding sleeves 17 are unlocked from the sliding rail 10, and at the moment, the sliding sleeves 17 can rotate along the sliding rail 10; the whole action process is as follows: the traction rope 5 is driven to be tensioned, and the plurality of second push rods 7 are extruded to push the stress blocks 16 during tensioning so as to push the upper turntable 2 to start rotating in advance, and then the sliding sleeve 17 is unlocked with the sliding rail 10, the plurality of sliding sleeves 17, the first push rods 6, the second push rods 7 and the stress blocks 16 are combined with the upper turntable 2 into a whole, and the traction rope 5 is rotated to continuously perform traction, so that the upper turntable 2 is continuously driven to rotate.
Working principle: the lower pouring bearing platform 1 is poured firstly, then the supporting leg slideway positioning framework 14 and the lower spherical hinge positioning framework 15 are arranged, then the supporting leg slideway 11 is arranged on the supporting leg slideway positioning framework 14, then the upper spherical hinge 12 and the lower spherical hinge 13 are arranged on the lower spherical hinge positioning framework 15, at this time, the pouring of the second pouring layer 18 is carried out, finally the upper rotary table 2 is arranged on the upper part of the upper spherical hinge 12, the pouring of the third pouring layer 3 is carried out, after the construction is finished, the bridge pier of the bridge turning point is poured on the upper part of the upper rotary table 2, when turning, the driving system pulls one ends of the two rotary traction ropes 5, one ends of the rotary traction ropes 5 are pulled and then indirectly extrude a plurality of first push rods 6 and second push rods 7 to shrink and tighten, the stress blocks 16 are extruded at one ends of the second push rods 7, the upper turntable 2 is pushed to be started to rotate in advance under the action of multiple points, meanwhile, the rotating sleeve 19 rotates relatively, the bolt 21 is pulled under the action of the spiral groove 22 and the sliding pin, the sliding sleeves 17 are unlocked from the sliding rail 10, the sliding sleeves 17 can rotate along the sliding rail 10, the sliding sleeves 17, the first push rods 6, the second push rods 7 and the stress blocks 16 are integrated with the upper turntable 2, the traction rope 5 is rotated to continuously apply traction to drive the follow-up rotating body of the upper turntable 2, and after the rotating body is completed, a bridge main pier and an integral rotating system base station are poured.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (10)
1. Bridge swivel device, including pouring cushion cap (1) down, go up carousel (2), two rotation traction ropes (5), a serial communication port, pour under and be equipped with down ball pivot (13) in cushion cap (1), go up ball pivot (12) and set up in ball pivot (13) upper portion down through the steel pin, go up carousel (2) and connect ball pivot (12) upper portion, encircle ball pivot (13) down, go up ball pivot (12) outside and be equipped with spike slide (11), go up carousel (2) bottom round and install a plurality of spike, and a plurality of support foot lower extreme all is connected in spike slide (11), pour under and be fixed with annular slide rail (10) on cushion cap (1) upper portion down, slide rail (10) and last carousel (2) coaxial setting, slide rail (10) are gone up to slide and are equipped with a plurality of sliding sleeves (17), and all rotate on sliding sleeve (17) upper portion and are equipped with first push rod (6), and the other end all rotates and be connected with second push rod (7), it is fixed with a plurality of push rods (16) along its outer wall round, and a plurality of traction ropes (16) are rotated in a plurality of top of push rod (5) and are rotated in a plurality of traction ropes (5) respectively, and one end (5) are rotated respectively to two and are rotated one end (5) are all fixed The outer wall of the second push rod (7), and a locking mechanism is arranged between the sliding sleeve (17) and the sliding rail (10).
2. The bridge swivel device according to claim 1, further comprising a supporting leg slide positioning framework (14) and a lower spherical hinge positioning framework (15), wherein the supporting leg slide (11) is arranged on the upper portion of the supporting leg slide positioning framework (14), and the lower spherical hinge (13) is arranged on the upper portion of the lower spherical hinge positioning framework (15).
3. The bridge swivel device according to claim 2, further comprising a second pouring layer (18) and a third pouring layer (3), wherein the second pouring layer (18) is used for pouring the supporting leg slideway positioning framework and the lower spherical hinge positioning framework, the third pouring layer (3) is used for pouring the upper turntable (2) and the upper spherical hinge (12) into a connection, and the lower pouring bearing platform (1) is the first pouring layer.
4. The bridge swivel device according to claim 1, wherein the first push rod (6) and the second push rod (7) are rotatably connected through a pin shaft, two guide wheels (20) are sleeved on the pin shaft, and the two rotating traction ropes (5) respectively bypass the two groups of guide wheels (20) with different heights.
5. The bridge swivel device according to claim 4, wherein the outer walls of two opposite sides of the upper turntable (2) are respectively fixed with a connecting block (4), the two connecting blocks (4) are arranged in a staggered manner, one ends of the two rotating traction ropes (5) are respectively fixed on the two connecting blocks (4), and the two connecting blocks (4) respectively correspond to the horizontal heights of the two groups of guide wheels (20).
6. The bridge swivel device according to claim 1, wherein the locking mechanism comprises a plurality of swivel sleeves (19), the swivel sleeves (19) are respectively rotatably arranged on the upper portions of the sliding sleeves (17), the first push rods (6) are respectively fixed on one sides of the swivel sleeves (19), the lower ends of the swivel sleeves (19) are inserted with bolts (21), jacks (24) are respectively arranged on the upper portions of the sliding sleeves (17) close to the swivel sleeves (19), a plurality of lock holes (9) are equidistantly arranged on the upper portions of the sliding rails (10), the lock holes (9) are correspondingly formed in the jack holes (24), and the bolts (21) penetrate through the jack holes (24) and are inserted into the lock holes (9).
7. The bridge rotator device according to claim 6, wherein the bolt (21) is provided with a spiral groove (22) along the outer wall thereof, and a sliding pin is fixed on the inner wall of one side of the rotator sleeve (19), and the sliding pin is slidably arranged in the spiral groove (22).
8. The bridge rotator device according to claim 7, wherein limiting grooves (25) are formed in inner walls of two sides of the jack (24), limiting blocks (23) are fixed to lower portions of outer walls of two sides of the plug pin (21), and the two limiting blocks (23) are respectively arranged in the two limiting grooves (25) in a sliding mode.
9. A bridge swivel device according to claim 1, wherein two traction reaction seats (8) are fixed on the lower casting platform (1), and one ends of the two rotating traction ropes (5) respectively pass through the two traction reaction seats (8).
10. A swivel method of a bridge swivel arrangement according to any one of claims 1-0, comprising the steps of:
step one: after the device is constructed, the bridge pier at the bridge turning point is poured on the upper part of the upper turntable (2), and when the device is rotated, a driving system pulls one ends of two rotating traction ropes (5);
step two: one end of the rotating traction rope (5) is pulled and then does not directly drive the upper turntable (2) to rotate, but indirectly extrudes a plurality of first push rods (6) and second push rods (7) to shrink and tighten;
step three: when the first push rod (6) and the second push rod (7) shrink, one ends of the second push rods (7) squeeze the stress blocks (16), so that the upper turntable (2) is pushed by the multipoint action to start rotating in advance;
step four: when the first push rod (6) and the second push rod (7) are contracted, the rotating sleeve (19) rotates relatively, the plug pin (21) is pulled under the action of the spiral groove (22) and the sliding pin, so that a plurality of sliding sleeves (17) are unlocked with the sliding rail (10), and at the moment, the sliding sleeves (17) can rotate along the sliding rail (10);
step five: the whole action process is as follows: the traction rope (5) is driven to be tensioned, the second push rods (7) are extruded to push the stress blocks (16) during tensioning, so that the upper turntable (2) is pushed to be started to rotate in advance, the sliding sleeve (17) is unlocked with the sliding rail (10), the sliding sleeve (17), the first push rods (6), the second push rods (7) and the stress blocks (16) are combined with the upper turntable (2) into a whole, the traction rope (5) is rotated to continuously perform traction, and the upper turntable (2) is continuously driven to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310357231.7A CN116356716B (en) | 2023-04-06 | 2023-04-06 | Bridge turning device and turning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310357231.7A CN116356716B (en) | 2023-04-06 | 2023-04-06 | Bridge turning device and turning method |
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| CN116356716A true CN116356716A (en) | 2023-06-30 |
| CN116356716B CN116356716B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020060351A (en) * | 2001-01-10 | 2002-07-18 | 이효계 | Pier revolution apparatus and T-type pier construction method using the same |
| CN206736748U (en) * | 2017-04-21 | 2017-12-12 | 江苏恒河建设工程有限公司 | The thrustor of constructing swivel bridge |
| CN114457701A (en) * | 2022-03-09 | 2022-05-10 | 中铁一局集团有限公司 | Multi-supporting-point rotating body construction rotating disc for bridge construction and application process thereof |
| CN217781775U (en) * | 2022-06-21 | 2022-11-11 | 广西邱姆预应力科技有限公司 | Bridge rotating spherical hinge |
| CN218540443U (en) * | 2022-08-24 | 2023-02-28 | 合肥工业大学 | Bridge rotation construction device based on pinion synchronous traction system |
-
2023
- 2023-04-06 CN CN202310357231.7A patent/CN116356716B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020060351A (en) * | 2001-01-10 | 2002-07-18 | 이효계 | Pier revolution apparatus and T-type pier construction method using the same |
| CN206736748U (en) * | 2017-04-21 | 2017-12-12 | 江苏恒河建设工程有限公司 | The thrustor of constructing swivel bridge |
| CN114457701A (en) * | 2022-03-09 | 2022-05-10 | 中铁一局集团有限公司 | Multi-supporting-point rotating body construction rotating disc for bridge construction and application process thereof |
| CN217781775U (en) * | 2022-06-21 | 2022-11-11 | 广西邱姆预应力科技有限公司 | Bridge rotating spherical hinge |
| CN218540443U (en) * | 2022-08-24 | 2023-02-28 | 合肥工业大学 | Bridge rotation construction device based on pinion synchronous traction system |
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| CN116356716B (en) | 2023-10-20 |
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