CN112030778B - Bridge rotating device capable of rotating stably and construction method thereof - Google Patents
Bridge rotating device capable of rotating stably and construction method thereof Download PDFInfo
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- CN112030778B CN112030778B CN202010850661.9A CN202010850661A CN112030778B CN 112030778 B CN112030778 B CN 112030778B CN 202010850661 A CN202010850661 A CN 202010850661A CN 112030778 B CN112030778 B CN 112030778B
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000008093 supporting effect Effects 0.000 claims description 57
- 238000009434 installation Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000009417 prefabrication Methods 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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- 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
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Abstract
The invention belongs to the technical field of bridge rotators, and relates to a bridge rotator device capable of stably rotating and a construction method thereof, wherein a support column is fixedly arranged at the top of a bottom plate, a hydraulic push rod output shaft fixedly arranged at the top end of the support column is fixedly connected with the inner wall of the top of a lifting cover which is in sliding connection with the support column, the top of a support plate fixedly arranged at the top of the lifting cover is rotatably connected with a support plate, two mounting columns which are in rotating connection with a placing plate are symmetrically and fixedly arranged at the top of the support plate, a mounting pipe is in sliding connection with the sliding cover which is symmetrically and fixedly arranged at the top of the support plate, the tops of two movable covers which are in threaded connection with the inner wall of the mounting pipe are in transmission connection with the bottom of the placing plate, a support shaft is fixedly arranged at the bottom of the support shaft and is rotatably connected with the top of the support plate, so that the existing bridge rotator device only adjusts the plane rotation of a bridge plate and has no related longitudinal adjusting device, so that the adjustment range of the bridge rotation body is narrow and the application range of the bridge rotation body is influenced.
Description
Technical Field
The invention belongs to the technical field of bridge rotation, and relates to a bridge rotation device capable of rotating stably and a construction method thereof.
Background
With the rapid development of national economy, the traffic industry has been greatly developed. Due to the influence of some terrains or existing traffic facilities, bridge swivel construction methods are increasingly widely applied in bridge construction. Compared with the traditional construction process, the swivel construction process has the characteristics of no interference to traffic, uninterrupted navigation, capability of crossing deep ditches, rivers and roads with frequent traffic, and is quick, economic and efficient in construction.
The bridge that present widely used turned the construction and is used simple and convenient support to accomplish bridge body prefabrication earlier, later utilizes bridge to turn the device and rotate the bridge body preset angle, closes bridge body and the bridge at both ends into the bridge, and the current bridge turns the device and realizes the level of bridge and turns through the relative rotation of jack and upper and lower carousel generally.
The patent of invention with the publication number of CN 108532471B discloses a bridge turning device and a construction method thereof, wherein the bridge turning device is used for turning a bridge body by alpha degrees, and pier columns are arranged below the bridge body, and the bridge turning device comprises: a lower support; an upper support; supporting a bridge; the rotating part is annular, is coaxially fixed on the lower surface of the bridge support and is positioned above the upper support; the polytetrafluoroethylene sliding plate is in a ring shape completely the same as the rotating part and formed by splicing a left semi-ring plate and a right semi-ring plate which are completely the same; a pair of transverse cylinders which are respectively fixed in the first through holes horizontally and detachably; the inner side end of the transverse cylinder is connected with a semicircular plate; two pairs of jacking cylinders; two pairs of oppositely disposed support structures; and the steering device drives the driven gear to horizontally rotate. The bridge swivel device has the advantages of easiness in swivel, stability in swivel, cost saving and the like, and can be widely applied to devices in the technical field of bridge swivel construction.
Disclosure of Invention
In view of the above, the present invention provides a bridge rotation device capable of rotating stably and a construction method thereof, in order to solve the problem that the bridge rotation device only adjusts the plane rotation of a bridge deck without a related longitudinal adjustment device, so that the adjustment range of the bridge rotation is narrow and the application range is affected.
In order to achieve the above purpose, the invention provides a bridge swivel device capable of rotating stably, which comprises a bottom plate, wherein a plurality of anchor rods are fixedly installed at the bottom of the bottom plate at equal intervals, support columns are fixedly installed at the top of the bottom plate, lifting covers are connected on the support columns in a sliding manner, hydraulic push rods are fixedly installed at the top ends of the support columns, output shafts of the hydraulic push rods are fixedly connected with the inner walls of the tops of the lifting covers, a support plate is fixedly installed at the top of the lifting covers, a supporting plate is rotatably connected with the top of the support plate, two installation columns are symmetrically and fixedly installed at the top of the supporting plate, the top of one side, close to each other, of the two installation columns is rotatably connected with the same placing plate, two sliding covers are symmetrically and fixedly installed at the top of the supporting plate, installation pipes are slidably connected on the sliding covers, moving covers are connected with the inner walls of the installation pipes in a threaded manner, and the top parts of the two moving covers respectively extend to the upper parts of the two installation pipes and are in transmission connection with the bottoms of the placing plates, a driving motor is fixedly mounted on one side of the top of the supporting plate, a supporting shaft is fixedly mounted at the bottom of the supporting plate, the bottom end of the supporting shaft is rotatably connected with the top of the supporting plate, and an output shaft of the driving motor is in transmission connection with the supporting shaft.
The beneficial effect of this basic scheme lies in: start driving motor and rotation motor respectively to this alright carry out plane direction rotation and longitudinal rotation to the bridge plate, make the bridge plate when carrying out the concatenation installation, the angle is fixed a position according to the requirement of design completely, consequently can provide good supplementary for the bridge construction.
Furthermore, the outside equidistant fixed mounting of lift cover has a plurality of bracing pieces, and the top of a plurality of bracing pieces all with the bottom fixed connection of supporting disk. Has the advantages that: can have stable supporting property for the bridge plate.
Furthermore, the top fixed mounting of supporting disk has the sliding ring, and the bottom of layer board has seted up the ring channel, and the top of sliding ring extends to in the ring channel and with the inner wall sliding connection of ring channel. Has the advantages that: good rotational support for the pallet is provided.
Furthermore, a screw rod is fixedly mounted on an output shaft of the driving motor, a movable rack is slidably connected to the top of the supporting plate, a threaded ring is fixedly mounted on one side of the top of the movable rack, the screw rod penetrates through the threaded ring and is in threaded connection with the threaded ring, a rotating gear is fixedly sleeved on the supporting shaft, and the rotating gear is meshed with the movable rack. Has the advantages that: the plane rotation with the bridge plate can be realized.
Furthermore, equal symmetrical rotation is connected with two spacing wheels on the both sides inner wall of lift cover, and the equal fixed mounting in both sides of support column has the limiting plate, and the spacing groove has all been seted up to the both sides of limiting plate, and lies in one side that is close to each other with two spacing wheels of one side and extends to two spacing inslots respectively and respectively with the inner wall rolling contact in two spacing grooves. Has the advantages that: the lifting cover can not shift when moving longitudinally.
Further, the top of removing the cover rotates and is connected with the connecting plate, and places the equal fixed mounting in bottom both sides of board and have a slide rail, and equal sliding connection has the U template on two slide rails, and fixed mounting has the slide bar on the U template, and the slide bar run through the connecting plate and with connecting plate sliding connection. Has the advantages that: can drive and place the board and vertically overturn when the lift cover carries out lateral shifting and longitudinal movement.
Further, installation pipe bottom fixed mounting has the slide, slide and sliding closure sliding connection, rotates on the inner wall of installation pipe to be connected with the screw thread post, and the top of screw thread post extend to in the removal cover and with the inner wall threaded connection who removes the cover, the bottom of screw thread post extend to in the sliding closure and with sliding closure transmission connection. Has the advantages that: the lifting cover can be driven to move longitudinally by utilizing the thread principle.
Furthermore, a transmission gear is fixedly installed at the bottom end of the threaded column, a transmission rack is fixedly installed on the inner wall of one side of the sliding cover, and the transmission gear is meshed with the transmission rack. Has the advantages that: the transmission gear and the transmission rack which are meshed with each other can be used for conveniently driving the threaded column to rotate.
Furthermore, the top fixed mounting of layer board has the rotation motor, and rotates the output shaft fixed mounting of motor and have the connecting pipe, and symmetrical sliding connection has two gangbars on the inner wall of connecting pipe, rotates the cover on the installation pipe and is equipped with the go-between, and the one end that two gangbars kept away from each other extends to the both sides of connecting pipe respectively and respectively with two go-between fixed connection. Has the advantages that: can drive the two mounting tubes to move towards each other.
A construction method of a bridge swivel device capable of rotating stably comprises the following steps:
s1: firstly, hoisting a bridge plate on a placing plate;
s2: starting the hydraulic push rod to drive the lifting cover to move upwards, and then lifting the bridge plate until the bridge plate is lifted to a specified height;
s3: the driving motor is started to drive the moving rack to move, the supporting shaft can be driven to rotate through the rotating gear, the placing plate can be driven to rotate through the supporting plate when the supporting shaft rotates, and the bridge plate can be driven to rotate around the supporting shaft (as a center);
s4: the rotating motor is started to drive the two mounting pipes to move simultaneously, and the longitudinal rotation of the bridge plate is further realized.
The invention has the beneficial effects that:
1. the bridge turning device capable of rotating stably can hoist the bridge plate on the placing plate, then the hydraulic push rod is started, the lifting cover can be driven to move upwards, the bridge plate can be lifted until the bridge plate is lifted to a specified height, then the driving motor can be started to drive the moving rack to move, the supporting shaft can be driven to rotate through the rotating gear, the placing plate can be driven to rotate through the supporting plate when the supporting shaft rotates, the bridge plate can be driven to rotate around the supporting shaft, and the angle between the bridge plate and the bridge plate which is installed and installed is convenient to be consistent.
Can drive two installation pipes simultaneously and remove through starting rotation motor, and the direction of motion of two installation pipes is opposite, when the installation pipe removes, can drive the screw thread post and remove, still can rotate simultaneously, this moment because remove the cover and be threaded connection with the screw thread post, so when the screw thread post rotates, can drive and remove the cover and carry out longitudinal movement, and the direction of rotation of two screw thread posts is opposite, so alright make two upward movements of removal cover, a downward movement, can drive and place the board and carry out longitudinal rotation, furthermore, make the position of bridge plate reach the installation requirement completely.
2. According to the bridge rotating device capable of rotating stably, disclosed by the invention, the driving motor and the rotating motor are respectively started, so that the bridge plate can rotate in the plane direction and longitudinally, and the angle is completely positioned according to the design requirement when the bridge plate is spliced and installed, so that good assistance can be provided for bridge construction.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a bridge swivel device that rotates smoothly according to the present invention;
FIG. 2 is a schematic view showing the connection between a support post and a lift cap in a bridge swivel device of the present invention;
FIG. 3 is a schematic view showing the connection between a limiting wheel and a limiting plate in a bridge rotating device with stable rotation according to the present invention
FIG. 4 is a schematic view showing the connection between the rotating motor and the mounting pipe in the bridge rotating device of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 1 according to the present invention.
Reference numerals: the device comprises a base plate 1, anchor rods 2, support columns 3, lifting covers 4, support rods 5, support plates 6, sliding rings 7, supporting plates 8, mounting columns 9, a placing plate 10, a sliding cover 11, a sliding plate 12, a mounting tube 13, a support shaft 14, a rotating gear 15, a driving motor 16, a sliding rail 17, a movable cover 18, a screw rod 19, a threaded ring 20, a movable rack 21, a hydraulic push rod 22, a limiting plate 23, a limiting groove 24, a limiting wheel 25, a connecting plate 26, a U-shaped plate 27, a rotating motor 28, a connecting tube 29, a linkage rod 30, a threaded column 31, a transmission gear 32 and a transmission rack 33.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1-5, a bridge swivel device capable of rotating stably comprises a base plate 1, a plurality of anchor rods 2 are fixedly installed at the bottom of the base plate 1 at equal intervals, a support post 3 is fixedly installed at the top of the base plate 1, a lifting cover 4 is connected to the support post 3 in a sliding manner, a hydraulic push rod 22 is fixedly installed at the top end of the support post 3, an output shaft of the hydraulic push rod 22 is fixedly connected to the inner wall of the top of the lifting cover 4, a support plate 6 is fixedly installed at the top of the lifting cover 4, a support plate 8 is rotatably connected to the top of the support plate 6, two mounting posts 9 are fixedly installed at the top of the support plate 8 in a symmetrical manner, the top of one side, close to each other, of the two mounting posts 9 is rotatably connected to a same placing plate 10, two sliding covers 11 are fixedly installed at the top of the support plate 8 in a symmetrical manner, a mounting pipe 13 is slidably connected to the sliding covers 11, and a movable cover 18 is connected to the inner wall of the mounting pipe 13 in a threaded manner, and the top of the two movable covers 18 respectively extends to the upper side of the two mounting pipes 13 and is in transmission connection with the bottom of the placing plate 10, a driving motor 16 is fixedly mounted on one side of the top of the supporting plate 6, a supporting shaft 14 is fixedly mounted at the bottom of the supporting plate 8, the bottom end of the supporting shaft 14 is in rotation connection with the top of the supporting plate 6, and an output shaft of the driving motor 16 is in transmission connection with the supporting shaft 14.
In this embodiment, the outer side of the lifting cover 4 is fixedly provided with a plurality of support rods 5 at equal intervals, and the top ends of the plurality of support rods 5 are fixedly connected with the bottom of the support disc 6, so that the bridge plate can be stably supported.
In this embodiment, the top fixed mounting of supporting disk 6 has sliding ring 7, and the bottom of layer board 8 has seted up the ring channel, and the top of sliding ring 7 extends to in the ring channel and with the inner wall sliding connection of ring channel, can provide good rotation support to layer board 8.
In this embodiment, a screw rod 19 is fixedly mounted on an output shaft of the driving motor 16, a movable rack 21 is slidably connected to the top of the supporting plate 6, a threaded ring 20 is fixedly mounted on one side of the top of the movable rack 21, the screw rod 19 penetrates through the threaded ring 20 and is in threaded connection with the threaded ring 20, a rotating gear 15 is fixedly sleeved on the supporting shaft 14, and the rotating gear 15 is meshed with the movable rack 21, so that the bridge plate can be driven to rotate in a plane.
In this embodiment, equal symmetrical rotation is connected with two spacing wheels 25 on the both sides inner wall of lift cover 4, and the equal fixed mounting in both sides of support column 3 has limiting plate 23, and spacing groove 24 has all been seted up to limiting plate 23's both sides, and lie in one side that two spacing wheels 25 that are close to each other with one side extend respectively to two spacing inslots 24 and respectively with the inner wall rolling contact of two spacing grooves 24, can carry out longitudinal movement at lift cover 4 when, can not take place the skew.
In this embodiment, the top of moving cover 18 rotates and is connected with connecting plate 26, and places the equal fixed mounting in bottom both sides of board 10 and have slide rail 17, and equal sliding connection has U template 27 on two slide rails 17, and fixed mounting has the slide bar on the U template 27, and the slide bar runs through connecting plate 26 and with connecting plate 26 sliding connection, can carry out lateral shifting and longitudinal movement at lift cover 18 when, can drive and place board 10 and vertically overturn.
In this embodiment, installation pipe 13 bottom fixed mounting has slide 12, slide 12 and 11 sliding connection of sliding housing, rotates on the inner wall of installation pipe 13 and is connected with screw thread post 31, and screw thread post 31's top extend to remove in the cover 18 and with the inner wall threaded connection who removes the cover 18, screw thread post 31's bottom extend to in the sliding housing 11 and with the transmission of sliding housing 11 be connected, usable screw thread principle can drive lift cover 18 and carry out longitudinal movement.
In this embodiment, a transmission gear 32 is fixedly installed at the bottom end of the threaded column 31, a transmission rack 33 is fixedly installed on the inner wall of one side of the sliding cover 11, the transmission gear 32 is meshed with the transmission rack 33, and the threaded column 31 can be conveniently driven to rotate by using the transmission gear 32 and the transmission rack 33.
In this embodiment, the top of the supporting plate 8 is fixedly provided with the rotating motor 28, the output shaft of the rotating motor 28 is fixedly provided with the connecting pipe 29, the inner wall of the connecting pipe 29 is symmetrically and slidably connected with two linkage rods 30, the mounting pipe 13 is rotatably sleeved with a connecting ring, one end of each linkage rod 30, which is far away from each other, extends to two sides of the connecting pipe 29 and is fixedly connected with the two connecting rings respectively, and the two mounting pipes 13 can be driven to move in opposite directions.
The use method of the bridge rotating device capable of rotating stably comprises the steps of hoisting a bridge plate on a placing plate 10, starting a hydraulic push rod 22 to drive a lifting cover 4 to move upwards, lifting the bridge plate until the bridge plate is lifted to a specified height, then starting a driving motor 16 to drive a screw rod 19 to rotate, driving a moving rack 21 to move when the screw rod 19 rotates due to the fact that a threaded ring 20 is in threaded connection with the screw rod 19, driving a supporting shaft 14 to rotate through a rotating gear 15, driving the placing plate 10 to rotate through a supporting plate 8 when the supporting shaft 14 rotates, driving the bridge plate to rotate around the supporting shaft 14 as an axis, enabling the angle of the bridge plate to be consistent with that of the bridge plate installed, and driving a connecting pipe 29 to rotate by starting a rotating motor 28, at this time, under the transmission of the two linkage rods 30, the two mounting tubes 13 can be driven to move at the same time, and the moving directions of the two mounting tubes 13 are opposite, when the mounting tube 13 moves, the threaded column 31 can be driven to move, and the transmission gear 32 on the threaded column 31 is meshed with the transmission rack 33, therefore, the screw column 31 will move and rotate at the same time, at this time, because the moving cover 18 is screwed with the screw column 31, when the threaded columns 31 rotate, the movable cover 18 can be driven to move longitudinally, and the rotating directions of the two threaded columns 31 are opposite, so that the two moving covers 18 can move upwards and downwards one to drive the placing plate 10 to rotate longitudinally, further drive the bridge plate to rotate longitudinally, the position of the bridge plate completely meets the installation requirement, so that good assistance can be provided for bridge construction.
A construction method of a bridge swivel device capable of rotating stably comprises the following steps:
s1: firstly, hoisting the bridge plate on the placing plate 10;
s2: starting the hydraulic push rod 22 to drive the lifting cover 4 to move upwards, and then lifting the bridge plate until the bridge plate is lifted to a specified height;
s3: the driving motor 16 is started to drive the moving rack 16 to move, at the moment, the supporting shaft 14 can be driven to rotate through the rotating gear 15, when the supporting shaft 14 rotates, the placing plate 10 can be driven to rotate through the supporting plate 8, and at the moment, the bridge plate can be driven to rotate around the supporting shaft 14 as the center;
s4: the rotating motor 28 is started to drive the two mounting pipes 13 to move at the same time, and further the longitudinal rotation of the bridge plate is realized.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. A bridge swivel device capable of rotating stably comprises a bottom plate (1), wherein a plurality of anchor rods (2) are fixedly mounted at the bottom of the bottom plate (1) at equal intervals, and is characterized in that a support column (3) is fixedly mounted at the top of the bottom plate (1), a lifting cover (4) is connected onto the support column (3) in a sliding manner, a hydraulic push rod (22) is fixedly mounted at the top end of the support column (3), an output shaft of the hydraulic push rod (22) is fixedly connected with the inner wall of the top of the lifting cover (4), two limiting wheels (25) are symmetrically and rotatably connected onto the inner walls of the two sides of the lifting cover (4), limiting plates (23) are fixedly mounted on the two sides of the support column (3), limiting grooves (24) are respectively formed in the two sides of the limiting plates (23), one side, close to the two limiting wheels (25) on the same side, extends into the two limiting grooves (24) respectively and is in rolling contact with the inner walls of the two limiting grooves (24) respectively, the top of the lifting cover (4) is fixedly provided with a supporting plate (6), the top of the supporting plate (6) is rotatably connected with a supporting plate (8), the top of the supporting plate (8) is symmetrically and fixedly provided with two mounting columns (9), the top of one side, close to each other, of the two mounting columns (9) is rotatably connected with the same placing plate (10), the top of the supporting plate (8) is symmetrically and fixedly provided with two sliding covers (11), the sliding covers (11) are slidably connected with mounting pipes (13), the inner wall of each mounting pipe (13) is in threaded connection with a movable cover (18), the tops of the two movable covers (18) respectively extend to the positions above the two mounting pipes (13) and are in transmission connection with the bottoms of the placing plates (10), one side of the top of the supporting plate (6) is fixedly provided with a driving motor (16), the bottom of the supporting plate (8) is fixedly provided with a supporting shaft (14), the bottom of the supporting shaft (14) is rotatably connected with the top of the supporting plate (6), and the output shaft of driving motor (16) is connected with back shaft (14) transmission, fixed mounting has screw rod (19) on the output shaft of driving motor (16), and the top sliding connection of supporting disk (6) has removal rack (21), top one side fixed mounting who removes rack (21) has screw ring (20), and screw rod (19) run through screw ring (20) and with screw ring (20) threaded connection, fixed cover is equipped with rotating gear (15) on back shaft (14), and rotating gear (15) and removal rack (21) mesh mutually, the top fixed mounting of layer board (8) has rotation motor (28), and the output shaft fixed mounting who rotates motor (28) has connecting pipe (29), and symmetry sliding connection has two gangbars (30) on the inner wall of connecting pipe (29), and it is equipped with to rotate the cover on installation pipe (13), and the one end that two gangbars (30) kept away from each other extends to the both sides of connecting pipe (29) respectively and respectively with two gangbars (29) and go-between The connecting rings are fixedly connected.
2. The bridge swivel device with stable rotation according to claim 1, wherein a plurality of support rods (5) are fixedly installed at the outer side of the lifting cover (4) at equal intervals, and the top ends of the plurality of support rods (5) are fixedly connected with the bottom of the support plate (6).
3. The bridge rotator device capable of rotating stably according to claim 1, wherein the top of the support plate (6) is fixedly provided with a sliding ring (7), the bottom of the support plate (8) is provided with an annular groove, and the top of the sliding ring (7) extends into the annular groove and is slidably connected with the inner wall of the annular groove.
4. The bridge swivel device with stable rotation according to claim 1, wherein the top of the movable cover (18) is rotatably connected with a connecting plate (26), the two sides of the bottom of the placing plate (10) are fixedly provided with slide rails (17), the two slide rails (17) are slidably connected with a U-shaped plate (27), the U-shaped plate (27) is fixedly provided with slide bars, and the slide bars penetrate through the connecting plate (26) and are slidably connected with the connecting plate (26).
5. The bridge rotator device for stably rotating according to claim 1, wherein the bottom end of the installation tube (13) is fixedly provided with a sliding plate (12), the sliding plate (12) is slidably connected with the sliding cover (11), the inner wall of the installation tube (13) is rotatably connected with a threaded column (31), the top end of the threaded column (31) extends into the movable cover (18) and is in threaded connection with the inner wall of the movable cover (18), and the bottom end of the threaded column (31) extends into the sliding cover (11) and is in transmission connection with the sliding cover (11).
6. The bridge rotator device for stably rotating according to claim 5, wherein the bottom end of the threaded column (31) is fixedly provided with a transmission gear (32), and the inner wall of one side of the sliding cover (11) is fixedly provided with a transmission rack (33), and the transmission gear (32) is meshed with the transmission rack (33).
7. The construction method of a bridge swivel device rotating stably according to any one of claims 1 to 6, comprising the steps of:
s1: firstly, hoisting the bridge plate on a placing plate (10);
s2: starting a hydraulic push rod (22) so as to drive the lifting cover (4) to move upwards, and then lifting the bridge plate until the bridge plate is lifted to a specified height;
s3: the driving motor (16) is started to drive the movable rack (16) to move, the supporting shaft (14) can be driven to rotate through the rotating gear (15), the placing plate (10) can be driven to rotate through the supporting plate (8) when the supporting shaft (14) rotates, and the bridge plate can be driven to rotate around the supporting shaft (14) as the center;
s4: the rotating motor (28) is started to drive the two mounting pipes (13) to move simultaneously, so that the longitudinal rotation of the bridge plate is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010850661.9A CN112030778B (en) | 2020-08-21 | 2020-08-21 | Bridge rotating device capable of rotating stably and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850661.9A CN112030778B (en) | 2020-08-21 | 2020-08-21 | Bridge rotating device capable of rotating stably and construction method thereof |
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| CN112030778A CN112030778A (en) | 2020-12-04 |
| CN112030778B true CN112030778B (en) | 2022-03-01 |
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| CN113246834A (en) * | 2021-06-16 | 2021-08-13 | 台州学院 | Be used for holistic quick transportation device of steel truss bridge |
| CN113650549B (en) * | 2021-08-16 | 2022-07-19 | 中建八局第二建设有限公司 | Temporary supporting seat for bearing and transferring for box girder hoisting and using method thereof |
| CN113756211B (en) * | 2021-10-12 | 2023-04-14 | 中铁北京工程局集团有限公司 | Rotation device for avoiding displacement in bridge rotation process and rotation construction method thereof |
| CN114411573A (en) * | 2022-02-18 | 2022-04-29 | 中铁北京工程局集团有限公司 | Bridge rotation construction method |
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| CN112030778A (en) | 2020-12-04 |
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