CN216515189U - Be used for bridge roof beam body to rotate strutting arrangement - Google Patents
Be used for bridge roof beam body to rotate strutting arrangement Download PDFInfo
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- CN216515189U CN216515189U CN202123406869.0U CN202123406869U CN216515189U CN 216515189 U CN216515189 U CN 216515189U CN 202123406869 U CN202123406869 U CN 202123406869U CN 216515189 U CN216515189 U CN 216515189U
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- rack
- speed reducer
- bridge
- speed reducing
- frame
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Abstract
The utility model discloses a bridge body rotation supporting device, which comprises a speed reducing rack, wherein a driving mechanism is arranged in the middle of the speed reducing rack, a trolley frame is arranged on one side of the speed reducing rack, the driving mechanism comprises a speed reducer, a protective shell is arranged at the bottom end of the speed reducer, a driving gear is arranged at the transmission end of the bottom of the speed reducer, one side of the driving gear is meshed and connected with two driven gears movably connected with the side inside the protective shell, and one sides of the two driven gears are meshed and connected with a rack. According to the scheme, the motor and the speed reducer are matched with each other, so that the driving gear is meshed to drive the two driven gears to rotate on the rack, the upper bearing platform on the trolley frame is driven to rotate conveniently, and time and labor are saved; through mutually supporting of the gyro wheel dolly and the annular slideway of bogie frame bottom, the bridge roof beam body of being convenient for carries out annular rotation and adjusts, is convenient for rotate the roof beam body through mutually supporting of leading wheel and guide rail, avoids taking place the skew.
Description
Technical Field
The utility model relates to the technical field of building bridges, in particular to a rotary supporting device for a bridge body.
Background
The bridge turning construction refers to a construction method for turning a bridge structure in place after a bridge structure is manufactured (poured or assembled) at a non-designed axis position and is formed. Then traditional bridge turns generally is with the help of the mode lifting of continuous jack tensioning steel strand wires, and the roof beam body that carries out the bridge through artifical promotion rotates the regulation and realizes, and this kind of mode has increased constructor's work load, and wastes time and energy, causes the roof beam body to take place the skew simultaneously easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotation supporting device for a bridge body, which aims to solve the problems that the traditional bridge rotation body provided by the background technology generally rotates the bridge body through manual control by means of a continuous jack tensioning steel strand, the workload of constructors is increased, time and labor are wasted, and the bridge body is easy to deviate.
In order to achieve the purpose, the utility model provides the following technical scheme:
a rotary supporting device for a bridge body comprises a speed reducing rack, wherein a driving mechanism is arranged in the middle of the speed reducing rack, and a trolley frame is arranged on one side of the speed reducing rack;
actuating mechanism includes the speed reducer, the bottom of speed reducer is provided with the protective housing, the transmission end of speed reducer bottom is provided with the driving gear, one side of driving gear is connected with two driven gear meshing of the inside avris swing joint of protective housing, two one side and the rack toothing of driven gear are connected, one side and the fixed block of rack are connected, one side of fixed block is provided with the guide rail, the inside roll connection of guide rail has the leading wheel, one side fixed connection bottom link and speed reducer frame is passed through to one side of leading wheel, one side at speed reducer top is provided with the motor.
As a preferred embodiment of the present invention: the top of the trolley frame is fixedly connected with a loading seat, the top of the loading seat is provided with an upper embedded plate, the bottom end of the trolley frame is fixedly connected with a limiting frame, a rubber pad is arranged inside the bottom end of the limiting frame, and the top of the upper embedded plate is provided with an upper bearing platform.
As a preferred embodiment of the present invention: the bottom of the limiting frame is provided with a roller trolley, and the bottom of the roller trolley is in rolling connection with a slide way inside the lower bearing platform.
As a preferred embodiment of the present invention: lifting lugs are arranged at the tops of the speed reducing rack and the trolley frame, pin shafts are connected to the middle portions of the lifting lugs in an inserting mode, and separated fixing rings are arranged on the outer sides of the rod columns of the pin shafts.
As a preferred embodiment of the present invention: the roller trolley is composed of a plurality of conical pulleys, and the conical pulleys are symmetrically arranged with each other.
As a preferred embodiment of the present invention: the shape of the slide way is annular.
Compared with the prior art, the utility model has the beneficial effects that:
1) through mutually supporting between the motor that sets up and the speed reducer, the driving gear meshing of being convenient for drives two driven gears and rotates on the rack, conveniently drives the upper bearing platform on the platform frame and rotates labour saving and time saving.
2) Through mutually supporting of the gyro wheel dolly and the annular slide of bogie frame bottom, the bridge roof beam body of being convenient for carries out annular rotation and adjusts, is convenient for rotate the roof beam body through mutually supporting of leading wheel and guide rail, avoids taking place the skew.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the shackle of the present invention;
FIG. 3 is a schematic view of the structure of the guide wheel of the present invention;
FIG. 4 is a schematic view of a tapered pulley configuration of the present invention;
fig. 5 is one of the schematic views of the tapered pulley structure of the present invention.
In the figure: 1. a decelerating frame; 2. a drive mechanism; 21. a speed reducer; 22. a connecting frame; 23. a driving gear; 24. a driven gear; 25. a rack; 26. a fixed block; 27. a guide rail; 28. a guide wheel; 3. a bogie frame; 31. a loading base; 32. an upper embedded plate; 33. a limiting frame; 34. a rubber pad; 4. a trolley with rollers; 41. a lower bearing platform; 42. a slideway; 43. a tapered pulley; 5. lifting lugs; 51. a pin shaft; 52. a separate type solid ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a rotary supporting device for a bridge body comprises a speed reducing rack 1, wherein a driving mechanism 2 is arranged in the middle of the speed reducing rack 1, and a trolley frame 3 is arranged on one side of the speed reducing rack 1;
the driving mechanism 2 comprises a speed reducer 21, a protective shell is arranged at the bottom end of the speed reducer 21, a driving gear 23 is arranged at a transmission end at the bottom of the speed reducer 21, one side of the driving gear 23 is meshed with two driven gears 24 movably connected with the inner side of the protective shell, one side of the two driven gears 24 is meshed with a rack 25, one side of the rack 25 is connected with a fixed block 26, one side of the fixed block 26 is provided with a guide rail 27, the guide rail 27 is in rolling connection with a guide wheel 28 inside, one side of the guide wheel 28 is fixedly connected with one side of the bottom of the speed reducer rack 1 through a connecting frame 22, and one side of the top of the speed reducer 21 is provided with a motor.
During specific use, when the bridge beam body rotates, through the mutual cooperation of the motor and the speed reducer 21 that set up, the driving gear 23 pivoted speed of the regulation bottom of being convenient for drives two driven gears 24 through the rotation of driving gear 23 and rotates along rack 25 for leading wheel 28 bottom the speed reducer 21 rotates along ring rail 27, is convenient for drive the bridge beam body that bears on the platform truck frame 3 and rotates along ring rail 42 and adjusts.
The top of the bogie frame 3 is fixedly connected with a loading seat 31, the top of the loading seat 31 is provided with an upper embedded plate 32, the bottom of the bogie frame 3 is fixedly connected with a limiting frame 33, the inside of the bottom of the limiting frame 33 is provided with a rubber pad 34, and the top of the upper embedded plate 32 is provided with an upper bearing platform.
During the specific use, through the installation of the rubber pad 34 between gyro wheel dolly 4 and the spacing 33, be convenient for carry on high deformation, fill and adapt to the clearance between the two, spacing 33 and gyro wheel dolly 4 real time contact state can be guaranteed in the setting of rubber pad 34 simultaneously, the rotation of the bridge beam body of being convenient for is adjusted.
The bottom end of the limiting frame 33 is provided with a roller trolley 4, and the bottom end of the roller trolley 4 is in rolling connection with a slide rail 42 inside the lower bearing platform 41.
When the roller trolley is used specifically, the roller trolley 4 can slide conveniently through the corresponding slide rail 42 at the bottom of the lower bearing platform 41.
When the bridge is used specifically, the pin 51 connected with the lifting lug 5 between the speed reducing rack 1 and the bogie frame 3 can achieve the purpose of disengaging the gear and the rack 25 by detaching the pin 51 and the separated fixing ring 52 between the speed reducing rack 1 if the faults of the motor and the speed reducer 21 occur in the process of rotating the bridge girder.
The roller trolley 4 is composed of a plurality of conical pulleys 43, and the conical pulleys 43 are symmetrically arranged with each other.
When the roller trolley 4 rotates along the circumference of the slide rail 42 in a specific use process, and the conical pulley 43 of the roller trolley 4 is conical, the roller trolley is convenient to arrange along the radial direction, the size of the conical degree is determined according to the distance between the arrangement position of the roller trolley 4 and the rotating center, and the beam body is convenient to rotate.
The ramp 42 is annular in shape.
When in specific use, the roller trolley 4 can rotate circularly conveniently through the annular slide rail 42.
The working principle is as follows: when the beam body of the bridge is rotated, firstly, the arranged motor is matched with the speed reducer 21, so that the driving gear 23 drives the two driven gears 24 to rotate along the rack 25, at the same time, the guide wheel 28 on one side of the speed reducing frame 1 rotates along the guide rail 27, keeps balance, meanwhile, the arrangement of the pin shaft 51 connected with the upper lifting lug 5 between the speed reducing frame 1 and the trolley frame 3 is convenient for driving the trolley frame 3 to adjust and rotate, during rotation, the trolley 4 is made to rotate circumferentially along the annular slide 42, by means of the rollers, during which, the upper bearing platform at the top of the upper embedded plate 32 is supported by the loading seat 31 on the trolley frame 3, a gap is formed between the limiting frame 33 and the roller trolley 4 in the rotating process of the roller trolley 4, the gap is deformed and filled through the arranged rubber pads 34, so that the conical pulleys 43 on the roller trolley 4 can conveniently contact with the slide ways 42 to move.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A rotary supporting device for a bridge body comprises a speed reducing rack (1), and is characterized in that a driving mechanism (2) is arranged in the middle of the speed reducing rack (1), and a trolley frame (3) is arranged on one side of the speed reducing rack (1);
actuating mechanism (2) are including speed reducer (21), the bottom of speed reducer (21) is provided with the protective housing, the transmission end of speed reducer (21) bottom is provided with driving gear (23), one side of driving gear (23) is connected with two driven gear (24) meshing of the inside avris swing joint of protective housing, two one side and rack (25) meshing of driven gear (24) are connected, one side and fixed block (26) of rack (25) are connected, one side of fixed block (26) is provided with guide rail (27), the inside roll connection of guide rail (27) has leading wheel (28), one side fixed connection of link (22) and speed reducer frame (1) bottom is passed through to one side of leading wheel (28), one side at speed reducer (21) top is provided with the motor.
2. The rotary support device for a bridge girder according to claim 1, wherein: the top fixedly connected with of platform truck (3) carries seat (31), the top of carrying seat (31) sets up pre-buried board (32), the bottom fixedly connected with spacing (33) of platform truck (3), the inside of spacing (33) bottom is provided with rubber pad (34), the top of going up pre-buried board (32) is provided with the cushion cap.
3. The rotary support device for a bridge girder according to claim 2, wherein: the bottom end of the limiting frame (33) is provided with a roller trolley (4), and the bottom end of the roller trolley (4) is in rolling connection with a slide way (42) in the lower bearing platform (41).
4. The rotary support device for a bridge girder according to claim 1, wherein: lifting lugs (5) are arranged at the tops of the speed reducing rack (1) and the trolley frame (3), pin shafts (51) are connected to the middle portions of the lifting lugs (5) in an inserting mode, and separated fixing rings (52) are arranged on the outer sides of the rods of the pin shafts (51).
5. A rotary support device for a bridge beam according to claim 3, wherein: the roller trolley (4) is composed of a plurality of conical pulleys (43), and the conical pulleys (43) are symmetrically arranged.
6. A rotary support device for a bridge beam according to claim 3, wherein: the slideway (42) is annular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406869.0U CN216515189U (en) | 2021-12-30 | 2021-12-30 | Be used for bridge roof beam body to rotate strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406869.0U CN216515189U (en) | 2021-12-30 | 2021-12-30 | Be used for bridge roof beam body to rotate strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216515189U true CN216515189U (en) | 2022-05-13 |
Family
ID=81514593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123406869.0U Active CN216515189U (en) | 2021-12-30 | 2021-12-30 | Be used for bridge roof beam body to rotate strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216515189U (en) |
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2021
- 2021-12-30 CN CN202123406869.0U patent/CN216515189U/en active Active
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