CN115285863A - Hoisting device for large-span steel concrete superposed beam - Google Patents

Abstract

The application relates to a long span steel concrete composite beam hoist device relates to lifting device's technical field, and it includes hoist and mount frame and a pair of brace table, and hoist and mount frame is longmen shape setting, and hoist and mount frame sets up in a pair of brace table top, and hoist and mount frame and brace table horizontal sliding connection, hoist and mount frame horizontal sliding connection has hoisting mechanism, and the terminal surface evenly is provided with many pairs of gyro wheels along its length direction under the brace table, and is provided with the steering mechanism that the control was turned to many pairs of gyro wheels on the brace table. This application can turn to the hoist device through setting up many pairs of gyro wheels, has realized hoist device's convenient removal, has effectively improved the hoist and mount efficiency of long span steel concrete composite beam, and then helps improving bridge overall construction efficiency.

Description

Hoisting device for large-span steel concrete superposed beam

Technical Field

The application relates to the field of hoisting equipment, in particular to a hoisting device for a long-span steel concrete superposed beam.

Background

For a large-span steel beam structure, a construction method of integrally hoisting by using a large-tonnage crane after ground assembly is generally adopted.

In the process of constructing a bridge, the long-span steel-concrete composite beam is generally required to be used, but when the long-span steel-concrete composite beam is hoisted, the hoisting efficiency of the long-span steel-concrete composite beam is low due to the fact that the weight of the long-span steel-concrete composite beam is large and the position of a crane is inconvenient to move, and improvement is needed.

Disclosure of Invention

In order to effectively improve the hoist and mount efficiency of long-span steel concrete composite beam, this application provides a long-span steel concrete composite beam hoist device.

The application provides a long-span steel concrete superposed beam hoisting device adopts following technical scheme:

the hoisting device comprises a hoisting frame and a pair of supporting tables, wherein the hoisting frame is arranged in a portal shape, the hoisting frame is arranged above the supporting tables and is horizontally and slidably connected with the supporting tables, the hoisting frame is horizontally and slidably connected with a hoisting mechanism, a plurality of pairs of rollers are uniformly arranged on the lower end face of each supporting table along the length direction of the corresponding supporting table, and a steering mechanism for controlling the plurality of pairs of rollers to steer is arranged on each supporting table.

Through adopting above-mentioned technical scheme, can turn to the hoist device through setting up many pairs of gyro wheels, realized hoist device's convenient removal, effectively improved the hoist and mount efficiency of long span steel concrete composite beam, and then help improving bridge overall construction efficiency.

Optionally, steering mechanism includes a plurality of steering gears, a plurality of pairs of steering hydraulic cylinder and a plurality of pairs of steering ring gear, it is even to be provided with a plurality of pairs of steering grooves along its length direction on the brace table, it is many right steering hydraulic cylinder sets gradually in a plurality of right turn to the inslot and with turn to the groove and rotate and connect, be provided with in the brace table with it is many right turn to the chamber that the groove communicates mutually, it all extends to turn to the hydraulic cylinder top turn to the intracavity, it is many right to turn to the ring gear overlap in proper order and locate a plurality of right turn to the upper end of hydraulic cylinder, it is a plurality of steering gears set gradually in a plurality of right turn to between the ring gear and with turn to the ring gear meshing transmission, just steering gear through the steering spindle with turn to the chamber and rotate and connect, it is used for driving a plurality of to turn to intracavity be provided with the together pivoted drive assembly of steering gear.

By adopting the technical scheme, when the plurality of pairs of rollers are controlled to steer, the steering hydraulic cylinder is controlled to contract to hide the rollers in the steering grooves, then the driving assembly is used for controlling the plurality of steering gears to rotate together, and then the plurality of steering gears control the plurality of pairs of steering gear rings to synchronously rotate, so that the steering of the rollers is realized in the process that the steering gear rings drive the steering hydraulic cylinder to rotate, and then the steering hydraulic cylinder is controlled to expand again to expose the rollers in the steering grooves again, so that the steering of the rollers can be realized. Through setting up simple structure and convenient operation's steering mechanism, realized the convenient of gyro wheel and turned to, and then realized hoist device's convenient removal.

Optionally, the driving assembly includes a driving shaft, a plurality of first helical gears and a plurality of second helical gears, the driving shaft is horizontally disposed in the steering cavity and rotatably connected to the steering cavity, the plurality of first helical gears are uniformly disposed along a length direction of the driving shaft, the plurality of second helical gears are sequentially disposed on the plurality of steering shafts and above the steering gears, the plurality of first helical gears are sequentially engaged with the plurality of second helical gears for transmission, and the supporting table is further provided with a driving motor for controlling the driving shaft to rotate.

Through adopting above-mentioned technical scheme, when driving a plurality of steering gears and rotating together, at first start driving motor, driving motor control drive shaft rotates, and then sets up the first helical gear that drives in the drive shaft and drive the rotation of second helical gear to a plurality of steering spindle of a plurality of second helical gear drive rotate, realize a plurality of steering gear's synchro-driven. Through setting up simple structure and job stabilization's actuating mechanism, realized steering gear's synchronous revolution drive, and then realized turning to in step of many pairs of gyro wheels, further promoted the convenience that hoist device removed.

Optionally, the diameter of the steering gear is smaller than the diameter of the steering ring gear.

By adopting the technical scheme, the steering gear ring with the larger diameter is driven by the steering gear with the smaller diameter, so that labor-saving driving of the steering gear ring is realized.

Optionally, a first chute is formed in each of two sides of the supporting table along the length direction of the supporting table, first wing plates in L shapes are arranged on two sides of each of two ends of the hoisting frame, the first wing plates are embedded into the first chutes respectively and are connected with the first chutes in a sliding mode, a first mounting groove is formed in each of the upper end faces of the supporting table along the length direction of the supporting table, a first rack is arranged in each first mounting groove along the length direction of the first mounting groove, second mounting grooves communicated with the first mounting grooves are formed in two ends of the hoisting frame, a first gear is connected to the second mounting grooves in a rotating mode, the first gear is meshed with the first rack in a transmission mode, and a first motor used for driving the first gear to rotate is arranged on the hoisting frame.

Through adopting above-mentioned technical scheme, when the drive hoist and mount frame slided along a supporting bench, only need start first motor, first motor drive first gear, and then first gear and first pinion rack meshing driven in-process drive hoist and mount frame slide along a supporting bench, realize the drive of sliding of hoist and mount frame. Through setting up first pterygoid lamina and rather than the first spout of matched with, realized the stable sliding connection of first pterygoid lamina and first spout, simultaneously through setting up simple structure and job stabilization's actuating mechanism, realized the convenient drive that slides of hoist and mount frame, and then realized the convenient adjustment of hoist and mount position.

Optionally, hoisting mechanism is including hoisting the storehouse, hoisting storehouse internal rotation is connected with the lifting rod, evenly be provided with many pairs of winding rollers along its length direction on the lifting rod, it is many right the winding has the steel cable on the winding roller, hoisting storehouse both sides all are provided with a plurality of confessions the slide opening that the steel cable wore to establish, just the slide opening internal rotation is connected with a pair of spacing round, and is a pair of spacing round distribute in both ends about the steel cable, the steel cable deviates from the one end of winding roller is provided with the lifting hook, just be provided with on the hoisting storehouse and be used for the drive hoisting rod pivoted second motor.

Through adopting above-mentioned technical scheme, when hoist and mount the girder steel, at first be connected the lifting hook with the girder steel, then start the second motor, and then the hoist and mount pole drives the winding roller and rotates, and winding roller pivoted process realizes the rolling of steel cable or unreels to realize the hoist and mount of girder steel. Through setting up simple structure and convenient operation's hoisting machine structure, realized convenient lifting and the decline of girder steel.

Optionally, hoist and mount frame top both sides all are provided with the second spout along its length direction, hoist and mount storehouse both sides all are provided with the second pterygoid lamina of L shape, and are a pair of the second pterygoid lamina sets up relatively, and is a pair of the second pterygoid lamina imbeds respectively a pair of in the second spout and with second spout horizontal sliding connection, hoist and mount frame is gone up and is provided with the third mounting groove along its length direction, just be provided with the second rack along its length direction in the third mounting groove, be provided with on the hoist and mount storehouse with the fourth mounting groove that the third mounting groove is linked together, fourth mounting groove internal rotation is connected with the second gear, the second gear with the transmission of second rack meshing, just be provided with on the hoist and mount storehouse and be used for the drive second gear pivoted third motor.

Through adopting above-mentioned technical scheme, when the drive hoist and mount storehouse lifted the frame and slided along the hoist, only need start the third motor, third motor drive second gear, and then second gear and the driven in-process drive hoist and mount storehouse of second toothed plate meshing slide along the hoist and mount frame, realize the drive of sliding of hoist and mount storehouse. Through setting up the second pterygoid lamina and rather than matched with second spout, realized the stable sliding connection of second pterygoid lamina and second spout, simultaneously through setting up simple structure and job stabilization's actuating mechanism, realized the convenient drive of sliding in hoist and mount storehouse, and then realized the convenient adjustment of hoist and mount position.

Optionally, a pair of hooks is arranged at two ends of the supporting table, the hooks are perpendicular to each other and used for being connected with traction equipment.

Through adopting above-mentioned technical scheme, through setting up the couple, the pulling equipment of being convenient for is connected with hoist device, and then drives hoist device and removes.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the hoisting device with the plurality of pairs of rollers capable of steering, the hoisting device is convenient to move, the hoisting efficiency of the long-span steel concrete composite beam is effectively improved, and the integral construction efficiency of the bridge is improved;

by arranging the steering mechanism which is simple in structure and convenient to operate, the convenient steering of the roller is realized, and the convenient movement of the hoisting device is further realized;

through setting up simple structure and job stabilization's actuating mechanism, realized steering gear's synchronous revolution drive, and then realized turning to in step of many pairs of gyro wheels, further promoted the convenience that hoist device removed.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of the region a in fig. 1.

Fig. 3 is a schematic view of the connection relationship between the hoisting structure and the hoisting frame in the embodiment of the application.

Fig. 4 is a schematic view of the connection relationship between the support table and the roller in the embodiment of the present application.

Fig. 5 is a partially enlarged schematic view of the region B in fig. 4.

Description of reference numerals: 1. a hoisting frame; 11. a first wing plate; 12. a second mounting groove; 121. a first gear; 13. a first motor; 14. a second chute; 15. a third mounting groove; 151. a second rack; 2. a support table; 21. a first chute; 22. a first mounting groove; 221. a first rack; 23. a roller; 24. a steering groove; 25. a steering cavity; 26. a drive motor; 27. hooking; 3. a hoisting mechanism; 31. hoisting the bin; 311. a second wing plate; 312. a fourth mounting groove; 3121. a second gear; 313. a slide hole; 3131. a limiting wheel; 314. a third motor; 315. hoisting the rod; 3151. a winding roller; 3152. a steel cord; 3153. a hook; 316. a second motor; 4. a steering mechanism; 41. a steering gear; 411. a steering shaft; 42. a steering hydraulic cylinder; 43. a steering ring gear; 5. a drive assembly; 51. a drive shaft; 52. a first helical gear; 53. a second helical gear.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a hoisting device for a long-span steel concrete composite beam.

Referring to fig. 1 and 2, a long-span steel concrete composite beam hoisting device comprises a hoisting frame 1 and a pair of supporting tables 2, wherein the hoisting frame 1 is arranged in a gantry shape and is arranged on the pair of supporting tables 2, first sliding grooves 21 are formed in two sides of each supporting table 2 along the length direction of each supporting table, a pair of L-shaped first wing plates 11 are arranged at two ends of the hoisting frame 1, the pair of first wing plates 11 are oppositely arranged and are respectively embedded in the pair of first sliding grooves 21, and the first wing plates 11 are horizontally and slidably connected with the first sliding grooves 21.

Referring to fig. 1, fig. 2, a supporting bench 2 up end all is provided with first mounting groove 22 along its length direction, be provided with first rack 221 along its length direction level in the first mounting groove 22, the terminal surface all is provided with second mounting groove 12 under hoist and mount frame 1 both ends, first mounting groove 22 is linked together with second mounting groove 12, and all rotate in the second mounting groove 12 and be connected with first gear 121, first gear 121 and first rack 221 mesh transmission, it is used for driving first gear 121 pivoted first motor 13 to support to be provided with on hoist and mount frame 1 simultaneously, with drive hoist and mount frame 1 along a supporting bench 2 horizontal slip in first gear 121 along first rack 221 mesh transmission process, realize the convenient drive of sliding of hoist and mount frame 1.

Referring to fig. 1 and 3, a hoisting mechanism 3 is arranged on the hoisting frame 1, and the hoisting mechanism 3 is used for hoisting the steel beam. The hoisting mechanism 3 comprises a hoisting bin 31. Both sides of the top of the hoisting frame 1 are provided with second sliding grooves 14 along the length direction, both sides of the hoisting bin 31 are provided with L-shaped second wing plates 311, the pair of second wing plates 311 are oppositely arranged and are respectively embedded into the pair of second sliding grooves 14, and the second wing plates 311 are connected with the second sliding grooves 14 in a sliding manner.

Referring to fig. 3, a third mounting groove 15 is formed in the lower end surface of the top of the hoisting frame 1, the third mounting groove 15 is formed along the length direction of the hoisting frame 1, a second rack 151 is arranged at the bottom of the third mounting groove 15 along the length direction of the third mounting groove, a fourth mounting groove 312 communicated with the third mounting groove 15 is formed in the upper end surface of the hoisting bin 31, a second gear 3121 is arranged in the fourth mounting groove 312, the second gear 3121 is rotatably connected with the fourth mounting groove 312, the second gear 3121 is in meshing transmission with the second rack 151, and a third motor 314 for driving the second gear 3121 to rotate is arranged on the hoisting bin 31, so that the hoisting bin 31 is driven to horizontally slide along the hoisting frame 1 in the meshing transmission process of the second gear 3121 along the second rack 151, and the convenient sliding drive of the hoisting bin 31 is realized.

Referring to fig. 3, a hoisting rod 315 is horizontally arranged in the hoisting bin 31, a plurality of pairs of winding rollers 3151 are uniformly arranged on the hoisting rod 315 along the length direction of the hoisting rod, steel ropes 3152 are wound on the winding rollers 3151, and each pair of steel ropes 3152 respectively stride over the winding rollers 3151 to wind and unwind the steel ropes 3152 in the rotating process of the hoisting rod 315. Meanwhile, one end, away from the winding roller 3151, of the steel rope 3152 is provided with a lifting hook 3153, and the lifting hook 3153 is used for connecting a steel beam so as to realize stable connection of the hoisting mechanism 3 and the steel beam.

Referring to fig. 3, a plurality of sliding holes 313 are uniformly formed in both sides of the hoisting cavity along the length direction, the sliding holes 313 are used for the steel cable 3152 to penetrate, a pair of limiting wheels 3131 distributed at the upper and lower ends of the steel cable 3152 are arranged in the sliding holes 313, and the limiting wheels 3131 are rotatably connected with the sliding holes 313 to limit the steel cable 3152 and ensure the normal working state of the steel cable 3152. Meanwhile, a second motor 316 is arranged on the end face of the hoisting bin 31, and the second motor 316 is used for driving the hoisting rod 315 to rotate so as to wind and unwind a plurality of pairs of steel ropes 3152 at the same time.

Referring to fig. 4 and 5, a plurality of pairs of rollers 23 are arranged on the lower end surface of the support platform 2 along the length direction of the support platform, a steering mechanism 4 is arranged on the support platform 2, and the steering mechanism 4 is used for controlling the plurality of pairs of rollers 23 to steer so that a worker can adjust the position of the hoisting device.

Referring to fig. 4 and 5, the steering mechanism 4 includes a plurality of steering gears 41, a plurality of pairs of steering cylinders 42 and a plurality of pairs of steering gear rings 43, a plurality of pairs of steering grooves 24 are formed on the lower end surface of the supporting table 2 along the length direction of the supporting table, the plurality of pairs of steering cylinders 42 are sequentially disposed in the plurality of pairs of steering grooves 24, the steering cylinders 42 are rotationally connected with the steering grooves 24, the plurality of pairs of rollers 23 are sequentially disposed on the lower ends of the plurality of pairs of steering cylinders 42, a steering cavity 25 communicated with the plurality of pairs of steering grooves 24 is formed in the supporting table 2 along the length direction of the supporting table, the upper ends of the steering cylinders 42 extend into the steering cavity 25 and are rotationally connected with the top wall of the steering cavity 25, the plurality of steering gear rings 43 are sequentially sleeved on the upper ends of the plurality of steering cylinders 42, the plurality of steering gears 41 are uniformly disposed along the length direction of the steering cavity 25 and are sequentially disposed between the plurality of pairs of steering gear rings 43, the steering gears 41 and the steering gears 43 are in meshing transmission with the steering gear rings 43, and the steering gears 41 are rotationally connected with the bottom wall of the steering cavity 25 through a steering shaft 411, so that the pair of steering gears 41 are synchronously rotated to achieve the steering of the rollers 23.

Referring to fig. 4 and 5, a driving assembly 5 is further disposed in the steering cavity 25, and the driving assembly 5 is configured to drive a plurality of steering gears 41 to rotate synchronously, so as to implement synchronous steering control of the plurality of pairs of rollers 23.

Referring to fig. 4 and 5, the driving assembly 5 includes a driving shaft 51, a plurality of first helical gears 52 and a plurality of second helical gears 53, the driving shaft 51 is horizontally disposed in the steering cavity 25, and the driving shaft 51 is rotatably connected to the steering cavity 25, the plurality of first helical gears 52 are uniformly disposed along the length direction of the driving shaft 51, and the first helical gears 52 are vertically disposed, the plurality of second helical gears 53 are sequentially and horizontally disposed on the plurality of steering shafts 411, the second helical gears 53 are horizontally disposed and located above the steering gears 41, the plurality of first helical gears 52 are sequentially engaged with the plurality of second helical gears 53 for transmission, and meanwhile, a driving motor 26 is disposed on the end surface of the supporting platform 2, and the driving motor 26 is used for controlling the driving shaft 51 to rotate, so that the plurality of first helical gears 52 are engaged with the plurality of second helical gears 53 for transmission, thereby realizing synchronous driving of the plurality of steering shafts 411, and finally realizing synchronous steering control of the plurality of rollers 23.

Therefore, when the steering of the plurality of pairs of rollers 23 is controlled, firstly, the steering hydraulic cylinder 42 is controlled to contract to hide the rollers 23 in the steering grooves 24, then the driving motor 26 is started, the driving shaft 51 is controlled to rotate by the driving motor 26, and further the first bevel gear 52 drives the second bevel gear 53 to rotate, so that the plurality of steering shafts 411 are controlled to rotate by the plurality of second bevel gears 53, the plurality of steering gears 41 are driven to rotate together in the rotation process of the steering shafts 411, and further the plurality of steering gears 41 control the plurality of pairs of steering gear rings 43 to rotate synchronously, so that the steering of the rollers 23 is realized in the process that the steering hydraulic cylinder 42 is driven to rotate by the steering gear rings 43, and finally, the steering hydraulic cylinder 42 is controlled to extend outwards, so that the rollers 23 are exposed out of the steering grooves 24, and the steering movement of the rollers 23 is realized.

Referring to fig. 1, a pair of hooks 27 are arranged at two ends of the supporting platform 2, and the pair of hooks 27 are perpendicular to each other, so that a worker can conveniently and conveniently connect the traction device with the supporting platform 2 when adjusting the position of the hoisting device as required, and the position of the hoisting device can be conveniently and quickly adjusted.

The implementation principle of the hoisting device for the large-span steel concrete superposed beam is as follows: when the steel beam is hoisted, firstly, a lifting hook 3153 connected with the steel cable 3152 is connected with a hoisting device, the second motor 316 is started, the steel cable 3152 is controlled to be wound, the steel beam is lifted, then, the hoisting device is moved to a proper position by using traction equipment, then, the steel cable 3152 is controlled to be unreeled, the steel beam is lowered to the proper position, then, the hoisting frame 1 and the hoisting bin 31 are controlled to slide to the proper position along the supporting table 2 and the hoisting frame 1 respectively, the mounting position of the steel beam is adjusted, and finally, the steel beam is mounted.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a long span steel concrete composite beam hoist device which characterized in that: including hoisting frame (1) and a pair of brace table (2), hoisting frame (1) is the setting of longmen shape, hoisting frame (1) set up in a pair of brace table (2) top, just hoisting frame (1) with brace table (2) horizontal sliding connection, hoisting frame (1) is gone up horizontal sliding connection and is had hoisting machine structure (3), the terminal surface evenly is provided with many pairs of gyro wheel (23) along its length direction under brace table (2), just it is many pairs to be provided with control on brace table (2) steering mechanism (4) that gyro wheel (23) turned to.

2. The hoisting device for the large-span steel concrete superposed beam according to claim 1, characterized in that: steering mechanism (4) include a plurality of steering gear (41), a plurality of to turn to pneumatic cylinder (42) and a plurality of to turn to ring gear (43), it evenly is provided with a plurality of to turning to groove (24) along its length direction on supporting bench (2), it is many right to turn to pneumatic cylinder (42) set gradually in a plurality of right turn to in groove (24) and with turn to groove (24) and rotate and connect, it is provided with in supporting bench (2) with a plurality of right turn to chamber (25) that groove (24) are linked together, it all extends to turn to pneumatic cylinder (42) top turn to in chamber (25), it is many right to turn to ring gear (43) overlap in proper order locate a plurality of right turn to the upper end of pneumatic cylinder (42), it is a plurality of steering gear (41) set gradually in a plurality of turn to between ring gear (43) and with turn to ring gear (43) meshing transmission, just steering gear (41) through steering shaft (411) with turn to chamber (25) rotate and connect, it is provided with in chamber (25) to be used for driving a plurality of to drive a plurality of steering gear (41) together pivoted drive assembly (5).

3. The hoisting device for the large-span steel concrete superposed beam according to claim 2, characterized in that: the driving assembly (5) comprises a driving shaft (51), a plurality of first bevel gears (52) and a plurality of second bevel gears (53), the driving shaft (51) is horizontally arranged in the steering cavity (25) and is in rotating connection with the steering cavity (25), the first bevel gears (52) are uniformly arranged along the length direction of the driving shaft (51), the second bevel gears (53) are sequentially arranged on the steering shaft (411) and are positioned above the steering gear (41), the first bevel gears (52) are sequentially in meshing transmission with the second bevel gears (53), and a driving motor (26) used for controlling the driving shaft (51) to rotate is further arranged on the supporting table (2).

4. The hoisting device for the large-span steel concrete superposed beam according to claim 2, characterized in that: the diameter of the steering gear (41) is smaller than the diameter of the steering ring gear (43).

5. The hoisting device for the large-span steel concrete superposed beam according to claim 1, characterized in that: supporting bench (2) both sides all are provided with first spout (21) along its length direction, hoist and mount frame (1) both ends both sides all are provided with first pterygoid lamina (11) of L shape, first pterygoid lamina (11) imbed respectively in first spout (21) and with first spout (21) sliding connection, supporting bench (2) up end is provided with first mounting groove (22) along its length direction, be provided with first rack (221) along its length direction in first mounting groove (22), hoist and mount frame (1) both ends all be provided with second mounting groove (12) that first mounting groove (22) are linked together, second mounting groove (12) internal rotation is connected with first gear (121), just first gear (121) with first rack (221) meshing transmission, be provided with on hoist and mount frame (1) and be used for driving first gear (121) pivoted first motor (13).

6. The hoisting device for the large-span steel concrete superposed beam according to claim 1, characterized in that: hoisting mechanism (3) are including hoisting storehouse (31), hoisting rod (315) are connected to hoisting storehouse (31) internal rotation, evenly be provided with a plurality of pairs of winding roller (3151) along its length direction on hoisting rod (315), it is many to twine wire rope (3152) on winding roller (3151), hoisting storehouse (31) both sides all are provided with a plurality of confessions slide opening (313) that wire rope (3152) wore to establish, just slide opening (313) internal rotation is connected with a pair of spacing wheel (3131), and is a pair of spacing wheel (3131) distribute in both ends about wire rope (3152), wire rope (3152) deviate from the one end of winding roller (3151) is provided with lifting hook (3153), just be provided with on hoisting storehouse (31) and be used for the drive hoisting rod (315) pivoted second motor (316).

7. The hoisting device for the large-span steel concrete composite beam according to claim 6, characterized in that: the hoisting frame is characterized in that second sliding grooves (14) are formed in two sides of the top of the hoisting frame (1) along the length direction of the hoisting frame, L-shaped second wing plates (311) are arranged on two sides of the hoisting bin (31), the second wing plates (311) are arranged oppositely, the second wing plates (311) are embedded into the second sliding grooves (14) and are connected with the second sliding grooves (14) in a horizontal sliding mode, a third mounting groove (15) is formed in the hoisting frame (1) along the length direction of the hoisting frame, second racks (151) are arranged in the third mounting groove (15) along the length direction of the third mounting groove, a fourth mounting groove (312) communicated with the third mounting groove (15) is formed in the hoisting bin (31), a second gear (3121) is rotationally connected in the fourth mounting groove (312), the second gear (3121) and the second racks (151) are meshed for transmission, and a third motor (314) used for driving the second gear (3121) to rotate is arranged on the hoisting bin (31).

8. The hoisting device for the long-span steel-concrete composite beam as claimed in claim 1, wherein: the two ends of the support table (2) are provided with a pair of hooks (27), the hooks (27) are perpendicular to each other, and the hooks (27) are used for being connected with traction equipment.

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