CN107916624B - Asymmetric rotator device with unequal rotator weights at two ends of rotator center - Google Patents
Asymmetric rotator device with unequal rotator weights at two ends of rotator center Download PDFInfo
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- CN107916624B CN107916624B CN201711192062.7A CN201711192062A CN107916624B CN 107916624 B CN107916624 B CN 107916624B CN 201711192062 A CN201711192062 A CN 201711192062A CN 107916624 B CN107916624 B CN 107916624B
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- trolley
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- track
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
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- 230000007704 transition Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides an asymmetric swivel device that the weight of turning in center both ends is unequal, including turning ball pivot (2) and auxiliary support system (3), be provided with pivot (11) between upper bracket board (6) and lower bracket board (10) of turning ball pivot (2), auxiliary support system (3) are including track system (15), spike (13), gyro wheel dolly (14) and actuating system (16), be provided with gear (32) on the output shaft of motor reducer (27) of actuating system (16), bottom plate (25) of track system (15) are fixed on track roof beam (5) with turning ball pivot (2) as the center, rack (22) on bottom plate (25) mesh with gear (32), leading wheel (31) on trolley frame (29) are inconsistent with rack (22) back, gyro wheel dolly (14) top card is put in the notch of trolley frame (29) bottom, and gyro wheel dolly (14) are arranged on bottom plate (25).
Description
Technical Field
The invention relates to swivel equipment, in particular to asymmetric swivel equipment with unequal swivel weights at two ends of a swivel center, and belongs to the technical field of bridge swivel construction.
Background
In recent years, along with the construction of high-speed railways and highways, a large number of large bridges which span the existing railways and highways are sequentially developed. Because the large-scale bridge is limited by construction environment and traffic factors, the difficulty of adopting a conventional construction method is great, and the construction is usually carried out by adopting a swivel method so as to better avoid the influence on the transportation of other lines.
The construction of the swivel method is that the half-bridge is prefabricated at a proper position, then the bridge structure is taken as a rotator, and then the two half-bridges are respectively swiveled to the axle line position of the bridge to be folded into the bridge. At present, the existing swivel bridge takes a swivel spherical hinge as a rotation center, the weights of the bridges at the left side and the right side are equal, and if the weights are different, a counterweight is added at one light end so as to ensure the balance of a beam body during swivel; the existing swivel device can only swivel unidirectionally by stretching the traction rope by using the continuous jack, and can not swivel reversely when the bridge rotates excessively. However, due to the limited bearing capacity of the girder, some bridge designs cannot reach an equilibrium state after the girder is weighted, and at this time, an asymmetric rotating device with unequal rotating weights at both ends of the rotating center is required.
Disclosure of Invention
The invention aims to provide an asymmetric swivel device with unequal swivel weights at two ends of a swivel center, aiming at the defects that the weights of beam bodies at two ends of the swivel center of the existing swivel bridge are equal and the tensioning device cannot rotate reversely.
The invention adopts the technical proposal to realize the aim that: the asymmetric rotating body equipment with unequal rotating body weights at two ends of the center of a rotating body comprises a rotating body spherical hinge and an auxiliary supporting system, wherein the rotating body spherical hinge comprises an upper supporting seat plate and a lower supporting seat plate, the upper supporting seat plate is fixedly connected with the bottom of a beam body, the lower supporting seat plate is fixedly connected with a foundation, the center position of the bottom of the upper supporting seat plate is a convex spherical surface, the center position of the top of the lower supporting seat plate is a concave spherical surface, a rotating shaft is arranged between the upper supporting seat plate and the lower supporting seat plate, two sides of the upper supporting seat plate are connected with the lower supporting seat plate through temporary connecting bolts, the auxiliary supporting system comprises a track system, supporting feet, a trolley and a driving system, the supporting feet comprise an upper steel plate and a lower steel plate, the upper steel plate and the lower steel plate are connected through supporting cylinders, concrete is poured in the supporting feet, the upper steel plate is fixedly connected with the bottom of the beam body, the driving system comprises a trolley frame and a motor reducer, the motor reducer is arranged at one end of the trolley frame through a reduction rack, a gear is arranged on an output shaft of the motor reducer, a lower steel plate of each supporting leg is fixed at the other end of the trolley frame, a notch is arranged at the bottom of the trolley frame corresponding to the supporting leg, the center of the notch corresponds to the center of each supporting leg, a guide wheel is arranged on the trolley frame, the track system comprises a bottom plate with an arc-shaped structure, the bottom plate is fixed on a track beam by taking a swivel spherical hinge as the center, the bottom plate with the arc-shaped structure forms an arc-shaped track on the track beam, the center of the arc-shaped track is the center of the swivel spherical hinge, one end of the upper part of the bottom plate is provided with a rack through a transition bracket, the gear is meshed with the rack, the guide wheel is abutted against the back of the rack, the top of a trolley frame is clamped in the notch at the bottom of the trolley frame, and the trolley is arranged on the bottom plate.
The trolley comprises a trolley frame, rollers and chain plates, wherein the rollers are arranged on steel plates in the trolley frame, the rollers are connected with the chain plates through chain plate shafts, and the trolley frame is clamped in a notch at the bottom of the trolley frame.
A rubber pad is arranged between the frame and the bottom of the bogie frame.
A gap is reserved between the trolley frame and the notch wall at the bottom of the trolley frame.
The roller has conicity, the diameters of the two ends of the roller are unequal, and the diameter of the roller at the inner side end of the arc-shaped track is smaller than that of the roller at the outer side end of the arc-shaped track.
The wear-resisting plate is arranged on the concave spherical surface at the top of the lower support plate.
A plurality of rib plates are arranged between the upper steel plate and the supporting cylinder along the circumferential direction, and a plurality of rib plates are arranged between the lower steel plate and the supporting cylinder along the circumferential direction.
The speed reduction rack of the motor speed reducer is hinged on the bogie frame through a shaft.
The motor speed reducer is a variable frequency motor.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can meet the swivel requirements of bridges with unequal swivel weights at the two ends of the swivel center, namely, the bridges are allowed to be centered on swivel spherical hinges when in design, the lengths of the bridges at the left end and the right end are unequal and the weights are inconsistent, the removal quantity of house buildings and the like in the bridge construction process is reduced to a certain extent, key buildings can be protected from being removed and shifted, the removal cost is further saved, the removal time is shortened, and the overall engineering cost is saved.
2. The motor speed reducer is a variable frequency motor, and the motor speed reducer has the functions of forward transmission and reverse rotation, so that the problem that other equipment is required to be used for turning the bridge in an over-rotation mode is completely avoided, and the time that the existing line cannot pass during the construction of a turning body is reduced.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a schematic view of the structure of the spherical hinge of the rotor in the present invention.
Fig. 4 is a schematic view of the auxiliary supporting system according to the present invention.
Fig. 5 is a top view of the auxiliary support system of the present invention.
Fig. 6 is a cross-sectional view A-A of fig. 4.
Fig. 7 is a schematic view of the structure of the temple according to the present invention.
Figure 8 is a side view of a temple in accordance with the present invention.
Fig. 9 is a top view of the temple of the present invention.
Fig. 10 is a schematic view of the track system structure in the present invention.
Fig. 11 is a schematic diagram of the driving system in the present invention.
Fig. 12 is a schematic view of a trolley structure according to the present invention.
Fig. 13 is a sectional view of B-B in fig. 12.
Fig. 14 is a cross-sectional view of fig. 13C-C.
Fig. 15 is a schematic view of the installation of the trolley according to the present invention.
In the figure, a beam body 1, a swivel ball hinge 2, an auxiliary support system 3, a foundation 4, a track beam 5, an upper support plate 6, a connecting bolt 7, a temporary connecting bolt 8, an anchorage steel rod 9, a lower support plate 10, a rotating shaft 11, a wear-resistant plate 12, a supporting foot 13, a trolley 14, a track system 15, a driving system 16, an upper steel plate 17, a rib plate 18, a supporting cylinder 19, a lower steel plate 20, concrete 21, a rack 22, a locking bolt 23, a transition support 24, a bottom plate 25, a leveling nut 26, a motor reducer 27, a reduction rack 28, a trolley frame 29, a rubber pad 30, a guide wheel 31, a gear 32, an end plate 33, a shaft sleeve 34, a shaft 35, a trolley frame 36, a roller 37, a chain plate 38, a gasket 39, a chain plate shaft 40 and a gap 41.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 2, a swivel device for a weight-unbalanced bridge swivel comprises a swivel ball 2 and an auxiliary support system 3.
Referring to fig. 1 and 3, the swivel ball hinge 2 includes an upper support plate 6 and a lower support plate 10, the upper support plate 6 is fixedly connected with the bottom of the beam body 1, and the lower support plate 10 is fixedly connected with the foundation 4. The center positions of the upper support plate 6 and the lower support plate 10 are spherical structures, the center position of the bottom of the upper support plate 6 is a convex spherical surface, and the center position of the top of the lower support plate 10 is a concave spherical surface. The upper support plate 6 is provided with a connecting bolt 7 for connecting the upper support plate 6 with the beam body 1; the bottom of the lower support plate 10 is provided with an anchorage steel bar 9 for connecting the lower support plate 10 with the foundation 4. A rotating shaft 11 is arranged between the upper support plate 6 and the lower support plate 10, and two sides of the upper support plate 6 are connected with the lower support plate 10 through temporary connecting bolts 8. The swivel spherical hinge 2 provides the rotation center when the bridge is swiveled, and when the bridge is swiveled, the temporary connecting bolt 8 is removed, the upper support plate 6 and the lower support plate 10 are separated, the lower support plate 10 is fixed, the upper support plate 6 rotates along the spherical center of the upper support plate, and the rotating shaft 11 is used for limiting the horizontal displacement of the upper support plate 6 so that the upper support plate 6 cannot be separated from the lower support plate 10, so that the bearing stability of the swivel spherical hinge is ensured.
Referring to fig. 3, further, a wear plate 11 is disposed on the concave spherical surface of the top of the lower support plate 10. The wear plate 11 serves to reduce friction when turning.
Referring to fig. 1-2 and 4-6, the auxiliary support system 3 includes a rail system 15, a foot 13, a trolley 14, and a drive system 16. The auxiliary support system 3 provides a certain vertical force when the bridge is turned, and the balance of the bridge during turning is ensured.
Referring to fig. 7 to 9, the supporting leg 13 includes an upper steel plate 17 and a lower steel plate 20, the upper steel plate 17 and the lower steel plate 20 are connected through a supporting cylinder 19, and the upper steel plate 17 and the bottom of the beam body 1 are connected together by welding; the support cylinder 20 is filled with concrete 21 to increase the carrying capacity of the support feet 13. When the body is turned, the supporting feet 13 mainly bear vertical load and transfer the action of water translation force. Further, a plurality of rib plates 18 are circumferentially arranged between the upper steel plate 17 and the supporting cylinder 19, and a plurality of rib plates 18 are circumferentially arranged between the lower steel plate 20 and the supporting cylinder 19.
Referring to fig. 4 and fig. 10 to 11, the driving system 16 includes a bogie frame 29 and a motor reducer 27, the motor reducer 27 is installed at one end of the bogie frame 29 through a reduction frame 28, and the motor reducer 27 provides power for the beam body 1 to rotate; the output shaft of the motor reducer 27 is provided with a gear 32, and the lower steel plate 20 of the supporting leg 13 is fixed to the other end of the bogie frame 29. The bottom of the bogie frame 29 is provided with a notch corresponding to the supporting leg 13, the center of the notch corresponds to the center of the supporting leg 13, and the bogie frame 29 is provided with a guide wheel 31. The track system 15 comprises a bottom plate 25 with an arc-shaped structure, the bottom plate 25 is fixed on the track beam 5 by taking the swivel spherical hinge 2 as the center, the bottom plate 25 with the arc-shaped structure forms an arc-shaped track on the track beam 5, and the center of the arc-shaped track is the center of the swivel spherical hinge 2. One end of the upper part of the bottom plate 25 is provided with a rack 22 through a transition bracket 24, and a gear 32 in the driving system 16 is meshed with the rack 22; the guide wheel 31 in the driving system 16 is abutted against the back surface of the rack 22, and the guide wheel 31 plays a guiding role in the rotation process. The top of the trolley 14 is clamped in a notch at the bottom of the trolley frame 29, and the trolley 14 is arranged on the bottom plate 25; when turning, the trolley 14 rotates and walks along the center of the arc track on the arc track surface formed by the bottom plate 25.
Referring to fig. 4, 6 and 11, further, the speed reduction frame 28 of the motor speed reducer 27 is hinged to the bogie frame 29 through a shaft 35, so that the motor speed reducer 27 can move along the radial direction of the center of the arc-shaped track. And the gear 32 and the guide wheel 31 are used for clamping the rack 22, so that the meshing precision of the gear 32 can be ensured as long as the distance between the tooth profile of the rack 22 and the guide surface is ensured.
Referring to fig. 12 to 14, the roller trolley 14 comprises a trolley frame 36, rollers 37 and a chain plate 38, wherein the rollers 37 are arranged on steel plates inside the trolley frame 36; the roller 37 is connected with the chain plate 38 through a chain plate shaft 40, and a gasket 39 is arranged at the end part of the roller 37 to prevent the chain plate shaft 40 from moving; the carriage frame 36 is snapped into a slot in the bottom of the trolley frame 29.
Referring to fig. 15, further, a rubber pad 30 is installed between the frame 36 and the bottom of the bogie frame 29, and a certain gap 41 is left between the frame 36 and the wall of the notch at the bottom of the bogie frame 29. The rubber pad 30 has certain elasticity and can uniformly distribute load; meanwhile, due to the existence of the gap 41, the trolley 14 is made into a multi-degree-of-freedom system with micro-travel relative to the trolley frame 29, so that the trolley 14 has good stability and steering performance in the running process.
Referring to fig. 12, the roller trolley 14 in the auxiliary support system 3 moves in an arc shape along the center of the arc track when the bridge is turned, in order to reduce radial force, further, the roller 37 has a certain taper, diameters of two ends of the roller 37 are unequal, the diameter change of the roller 37 is in a linear relationship, and the diameter of the roller 37 at the inner side of the arc track is smaller than that of the roller 37 at the outer side of the arc track, so that the roller trolley 14 has a self-centripetal movement function.
Referring to fig. 4, the motor reducer 27 is a variable frequency motor, and has functions of stepless speed regulation and forward and reverse rotation, so that the speed of the bridge turning body is adjustable. If the over-rotation phenomenon occurs in the rotating process, the bridge can reversely rotate only by reversing the motor speed reducer 27.
Referring to fig. 1 to 15, when the rotator is rotated, the motor speed reducer 27 is energized to drive the gear 32 to rotate, and the rack 22 is fixed on the track beam 5 through the bottom plate 25 and does not move, but the gear 32 and the rack 22 have relative movement, so that the rotation of the gear 32 drives the whole driving system 16 to move. Because the supporting feet 13 are fixed with the bottom of the beam body 1 and the driving system 16, the trolley 14 is arranged in the driving system 16, and therefore, the movement of the driving system 16 drives the trolley 14 to walk and the beam body 1 to rotate, thereby achieving the purpose of bridge rotation.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and the above-described structure should be considered to be within the scope of the invention.
Claims (3)
1. An asymmetric swivel device with unequal swivel weights at two ends of the center of a swivel, which is characterized in that: including turning ball pivot (2) and auxiliary support system (3), turning ball pivot (2) include upper bracket plate (6) and lower bracket plate (10), upper bracket plate (6) be connected fixedly with roof beam body (1) bottom, lower bracket plate (10) be fixed with basis (4), upper bracket plate (6) bottom central point put and be the convex sphere, lower bracket plate (10) top central point put and be concave sphere, be provided with pivot (11) between upper bracket plate (6) and lower bracket plate (10), and be connected through temporary connecting bolt (8) between upper bracket plate (6) both sides and lower bracket plate (10), auxiliary support system (3) include track system (15), spike (13), gyro wheel dolly (14) and actuating system (16), spike (13) include upper steel sheet (17) and lower steel sheet (20), upper steel sheet (17) and lower steel sheet (20) between be connected through a support section of thick bamboo (19), spike (13) in pouring have upper steel sheet (17) and lower bracket plate (10) between being connected with speed reducing system (27) and roof beam body (1) are connected with (16), the motor speed reducer (27) is arranged at one end of the trolley frame (29) through a speed reduction rack (28), a gear (32) is arranged on an output shaft of the motor speed reducer (27), a lower steel plate (20) of the supporting leg (13) is fixed at the other end of the trolley frame (29), a notch is arranged at the bottom of the trolley frame (29) corresponding to the supporting leg (13), the center of the notch corresponds to the center of the supporting leg (13), a guide wheel (31) is arranged on the trolley frame (29), the track system (15) comprises a bottom plate (25) with an arc-shaped structure, the bottom plate (25) is fixed on the track beam (5) by taking a swivel spherical hinge (2) as the center, the bottom plate (25) with an arc-shaped structure forms an arc-shaped track on the track beam (5), the center of the arc-shaped track is the center of the swivel spherical hinge (2), one end of the upper part of the bottom plate (25) is provided with a rack (22) through a transition bracket (24), the gear (32) is meshed with the rack (22), the guide wheel (31) is abutted against the back of the rack (22), the top of the trolley (14) is clamped in a notch at the bottom of the trolley frame (29), the trolley (14) is arranged on the bottom plate (25), the trolley (14) comprises a trolley frame (36), a trolley (37) and a chain plate (38), the roller (37) set up on car frame (36) inside steel sheet, gyro wheel (37) are connected with link joint (38) through link joint axle (40), car frame (36) card is put in the notch of bogie frame (29) bottom, gyro wheel (37) have the tapering, gyro wheel (37) both ends diameter size is unequal, arc track inboard end gyro wheel diameter is less than arc track outside end gyro wheel diameter, lower bedplate (10) top concave sphere on be provided with antifriction plate (11), last steel sheet (17) and prop and be provided with a plurality of gusset (18) between a plurality of gusset (20) and the prop (19) along circumference between being provided with along circumference between a plurality of gusset (18), car frame (36) and bogie frame (29) bottom between install rubber pad (30), car frame (36) and bogie frame (29) bottom notch wall between leave clearance (41).
2. An asymmetric rotor apparatus as claimed in claim 1, wherein the rotor weight is unequal at both ends of the rotor center, wherein: the speed reduction rack (28) of the motor speed reducer (27) is hinged on the trolley frame (29) through a shaft (35).
3. An asymmetric rotor apparatus as claimed in claim 1, wherein the rotor weight is unequal at both ends of the rotor center, wherein: the motor speed reducer (27) is a variable frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192062.7A CN107916624B (en) | 2017-11-24 | 2017-11-24 | Asymmetric rotator device with unequal rotator weights at two ends of rotator center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192062.7A CN107916624B (en) | 2017-11-24 | 2017-11-24 | Asymmetric rotator device with unequal rotator weights at two ends of rotator center |
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| Publication Number | Publication Date |
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| CN107916624A CN107916624A (en) | 2018-04-17 |
| CN107916624B true CN107916624B (en) | 2023-11-03 |
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| CN201711192062.7A Active CN107916624B (en) | 2017-11-24 | 2017-11-24 | Asymmetric rotator device with unequal rotator weights at two ends of rotator center |
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| CN112064518B (en) * | 2020-08-21 | 2022-06-10 | 中建协和建设有限公司 | Bridge pier combination swivel support |
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| CN207714159U (en) * | 2017-11-24 | 2018-08-10 | 武汉海润工程设备有限公司 | A kind of swivel center both ends turn the unequal asymmetric swivel equipment of weight |
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| CN107916624A (en) | 2018-04-17 |
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