CN113200471B

CN113200471B - Auxiliary hoisting device for assembly type building

Info

Publication number: CN113200471B
Application number: CN202110521031.1A
Authority: CN
Inventors: 黄健; 王庆华; 黄�俊; 印玉虎; 殷超亚; 杨小亮
Original assignee: Taixing Welfare Construction And Installation Engineering Co ltd
Current assignee: Taixing Welfare Construction And Installation Engineering Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-08-05
Anticipated expiration: 2041-05-13
Also published as: CN113200471A

Abstract

The application relates to an auxiliary hoisting device of an assembly type building, which belongs to the field of stiff steel rib hoisting and comprises an object carrying platform, wherein a winding drum is fixed at the top of the object carrying platform, a hoisting rope for suspending cross steel ribs to be assembled is wound on the outer peripheral surface of the winding drum, and the object carrying platform is connected with a first sliding plate in a sliding manner along the length direction of the object carrying platform; a motor is fixed at the top of the first sliding plate; the loading platform is connected with a second sliding plate along the vertical sliding; the inner sides of the second sliding plate and the first sliding plate are respectively provided with an inclined plane; a second spring is fixed at the bottom end of the second sliding plate, and the bottom end of the second spring is fixedly connected with the carrying platform; the top of the second sliding plate is rotatably provided with a steering wheel, and the lifting rope is wound on the periphery of the steering wheel; a driving component for driving the winding drum to rotate is arranged between the motor and the winding drum. This application has the effect that stops the unwrapping wire after the messenger waits to assemble section bar and mounting surface contact conveniently.

Description

Auxiliary hoisting device for assembly type building

Technical Field

The application relates to the field of hoisting of stiff steel ribs, in particular to an auxiliary hoisting device for an assembly type building.

Background

At present, in the construction process of an assembly type building, profile steel needs to be hoisted; the stiff structure is formed by pouring concrete on the outer layer of the section steel after the section steel is assembled.

The related technology can refer to Chinese utility model patent with the publication number of CN206427970U, which discloses a novel stiff steel column hoisting device, comprising a base, wherein an inner cavity is arranged in the base, a first gear and a second gear are rotatably arranged on the bottom surface of the inner cavity, the first gear is meshed with the second gear, and a lead screw is fixed on the top of the first gear; the outer peripheral surface of the screw rod is connected with a sleeve, and a component for driving the sleeve to move vertically is arranged in the base. The motor drives the lead screw to rotate to realize up-and-down movement of the sleeve, and hoisting of the stiff steel column is realized through the sleeve.

For the related technologies, the inventor thinks that the defects that in the process of hoisting the section to be assembled, whether the section to be assembled is in complete contact with the installation plane is not easy to judge, and when the section to be assembled is not in complete contact with the installation plane, the section to be assembled and the installation plane are in rigid collision due to the fact that a motor is turned off exist.

Disclosure of Invention

In order to improve and be difficult for judging whether treat the assembly section bar with treat the problem of laying the plane and contacting completely, this application provides an auxiliary hoisting device of assembly type structure.

The application provides a supplementary hoist device of prefabricated building adopts following technical scheme:

an auxiliary hoisting device of an assembly type building comprises an object carrying platform, wherein a winding drum is fixed at the top of the object carrying platform, a lifting rope used for suspending a cross steel rib to be assembled is wound on the outer peripheral surface of the winding drum, and the object carrying platform is connected with a first sliding plate in a sliding manner along the length direction of the object carrying platform; a motor is fixed at the top of the first sliding plate; the carrying platform is connected with a second sliding plate along the vertical direction in a sliding manner; the inner sides of the second sliding plate and the first sliding plate are respectively provided with an inclined plane; a second spring is fixed at the bottom end of the second sliding plate, and the bottom end of the second spring is fixedly connected with the carrying platform; the top of the second sliding plate is rotatably provided with a steering wheel, and the lifting rope is wound around the periphery of the steering wheel; and a driving assembly for driving the winding drum to rotate is arranged between the motor and the winding drum.

Through adopting above-mentioned technical scheme, treat that the cross reinforcing bar of assembly contacts the back with the mounting plane, the lifting rope receives the pulling force of cross reinforcing bar and can reduce to the pressure that makes the directive wheel receive reduces. The second sliding plate with the reduced pressure resets upwards under the elastic action of the second spring, and the second sliding plate drives the first sliding plate to move through the inclined plane, so that the driving assembly between the motor and the winding drum is separated, the effect of separating the motor from the winding drum is achieved, the winding drum is driven by the motor to rotate, and the effect that the winding drum stops rotating after the cross steel rib is contacted with the mounting plane is achieved.

Optionally, a first spring is fixed on one side, away from the winding drum, of the first sliding plate, and one end, away from the first sliding plate, of the first spring is fixedly connected with the carrying platform.

Through adopting above-mentioned technical scheme, when first slide plate moved to being close to reel one side, first spring was in compression state, and first spring applys the elasticity to being close to reel one side to first slide plate.

Optionally, the driving assembly includes a first clutch shaft fixed to the output end of the motor and a second clutch shaft fixedly connected to the winding drum; the side, far away from the motor, of the first clutch shaft is evenly provided with a plurality of wedge-shaped transmission blocks, the side, close to the motor, of the second clutch shaft is evenly provided with a plurality of wedge-shaped matching grooves, and the second clutch shaft is connected with the transmission blocks in an inserting mode through the matching grooves.

Through adopting above-mentioned technical scheme, when the transmission piece is pegged graft through cooperation groove and second separation and reunion axle, can make first separation and reunion axle and second separation and reunion axle be in the engaged state, the motor of being convenient for drives the reel and rotates, through setting up detachable motor and reel, can stop the reel rotation after the cross reinforcing bar of being convenient for contacts with the mounting surface.

Optionally, the surfaces of two web plates adjacent to the cross steel rib are fixedly connected with a fixing plate; two hinged plates are fixed on one side of the fixed plate, which is far away from the web plate, hinged shafts are respectively fixed on the opposite inner sides of the two hinged plates, and one end, which is far away from the hinged plates, of each hinged shaft is rotatably connected with a first connecting rod; one end of the first connecting rod, which is far away from the cross steel rib, is hinged with a positioning plate; and one side of the first connecting rod, which is close to the cross steel rib, is provided with a trigger assembly for driving the first connecting rod to rotate.

Through adopting above-mentioned technical scheme, the condition that the dislocation probably appears after the cross reinforcing bar of hoist and mount and the cross reinforcing bar as mounting plane contact through setting up the locating plate for when two upper and lower cross reinforcing bars contact, the steel sheet is laminated mutually through the pterygoid lamina with two cross reinforcing bars, and two pterygoid laminas of being convenient for align, thereby reduce the dislocation condition that appears after the cross reinforcing bar hoist and mount is ended.

Optionally, the trigger assembly comprises a second connecting rod hinged to the top end of the first connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is hinged to a third connecting rod; the third connecting rod bottom mounting has the butt piece, the mounting hole that is used for wearing to establish the third connecting rod is seted up to the fixed plate top surface, the third connecting rod passes through the mounting hole and is connected with the fixed plate along vertical sliding.

By adopting the technical scheme, after the third connecting rod is contacted with the plane to be installed through the abutting sheet, the third connecting rod can move upwards, so that the first connecting rod is pushed to rotate downwards, the positioning plate is convenient to contact with the cross-shaped steel bars serving as the installation plane, and the upper cross-shaped steel bars and the lower cross-shaped steel bars are limited through the positioning plate; the fixed plate provides vertical guide effect for the third connecting rod through the mounting hole.

Optionally, a first torsion spring is fixed on one side of the hinged plate close to the hinged shaft, and one end of the first torsion spring, which is far away from the hinged plate, is fixedly connected with the first connecting rod.

Through adopting above-mentioned technical scheme, the torsional spring is used for applying to first connecting rod the elasticity that resets to the horizontal direction, is convenient for make first connecting rod approach to the horizontality, reduces the locating plate and blocks the possibility that the cross reinforcing bar contacted with treating the mounting plane.

Optionally, the positioning plate comprises a vertical plate, and a first inclined plate and a second inclined plate which are respectively fixed on two sides of the vertical plate; a butting plate is fixed on one side of the first inclined plate close to the second inclined plate, and the second inclined plate is connected with a matching plate in a sliding manner along the length direction of the second inclined plate; the opposite inner sides of the abutting plate and the matching plate are respectively provided with a first chamfer; a connecting plate is fixed on one side of the matching plate close to the wing plate, and a limiting plate is fixed on one side of the connecting plate close to the inclined plate; the second inclined plate is connected with a plug board in a sliding manner along the width direction of the second inclined plate; the inserting plate is used for being inserted into one side of the abutting plate, which is close to the wing plate; the side wall of one side of the inclined plate far away from the limiting hole is fixed with an insertion block used for being inserted with the insertion plate.

Through adopting above-mentioned technical scheme, the swash plate of two adjacent locating plates is first with the swash plate two after contact, and the butt board supports to press and promotes the cooperation board, and the cooperation board passes through the connecting plate and promotes the limiting plate and remove, and the limiting plate removes the back, inserted block and plugboard phase separation, and the plugboard is pegged graft with the butt board to for the butt board provides limiting displacement, reduce the possibility of swash plate one and swash plate two separation.

Optionally, one side, away from the inclined plate, of the connecting plate is fixed with a third spring, and one end, away from the connecting plate, of the third spring is fixedly connected with the second inclined plate through a second mounting groove.

Through adopting above-mentioned technical scheme, the third spring provides the elasticity to being close to swash plate one side for the connecting plate, and the connecting plate of being convenient for resets to being close to swash plate one side.

Optionally, a fourth spring is fixed on one side of the insertion plate close to the wing plate, and one end, far away from the insertion plate, of the fourth spring is fixedly connected with the second inclined plate through a fourth mounting groove.

Through adopting above-mentioned technical scheme, the fourth spring provides the elasticity to being close to butt plate one side for the plugboard, and the limiting displacement back is removed to the plugboard of being convenient for, can peg graft with the butt plate under the elastic displacement of fourth spring to provide limiting displacement for the butt plate.

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

1. after the cross steel rib to be assembled is contacted with the mounting plane, the pulling force of the cross steel rib on the lifting rope can be reduced, so that the pressure on the steering wheel is reduced. The second sliding plate with reduced pressure is reset upwards under the action of the elastic force of the second spring, and the second sliding plate drives the first sliding plate to move through the inclined plane, so that the driving assembly between the motor and the winding drum is separated, the effect of separating the motor from the winding drum is achieved, the motion process of driving the winding drum by the motor is finished, and the effect that the winding drum stops rotating after the cross steel rib is contacted with the plane to be installed is achieved;

2. when the transmission block is inserted with the second clutch shaft through the matching groove, the first clutch shaft and the second clutch shaft can be in a joint state, the motor can drive the winding drum to rotate conveniently, and the separable motor and the winding drum are arranged, so that the winding drum can be stopped after the cross steel rib is contacted with the mounting plane;

3. the third connecting rod can make the third connecting rod rebound through the butt piece with treat the mounting surface after contacting to promote first connecting rod and rotate downwards, the locating plate of being convenient for contacts with the cross reinforcing bar as mounting surface, thereby carries on spacingly for two upper and lower cross reinforcing bars.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary hoisting device in an embodiment of the present application.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 2.

Fig. 4 is a schematic structural diagram of a connection assembly according to an embodiment of the present application.

FIG. 5 is a partial cross-sectional view of a connection assembly of an embodiment of the present application.

Fig. 6 is an enlarged schematic view at C in fig. 5.

Description of reference numerals: 1. a loading platform; 11. a second chute; 12. a second slide plate; 13. a second spring; 14. a steering wheel; 15. a cross steel rib; 16. a limiting hole; 17. inserting a block; 2. a pay-off mechanism; 21. a reel; 22. a motor; 23. a lifting rope; 24. a first chute; 25. a first slide plate; 26. a first spring; 27. a bevel; 3. a drive assembly; 31. a first clutch shaft; 32. a second clutch shaft; 33. a transmission block; 34. a mating groove; 35. a vertical plate; 36. a web; 37. a wing plate; 4. a splicing mechanism; 41. a first link; 42. abutting the sheet; 43. a fixing plate; 44. a hinge plate; 45. hinging shafts; 46. a first torsion spring; 47. a second link; 48. a third link; 49. mounting holes; 5. positioning a plate; 51. a first inclined plate; 52. a second inclined plate; 53. a third spring; 54. a fourth mounting groove; 55. a plugboard; 56. a fourth spring; 6. a connecting assembly; 61. abutting against the plate; 62. a mating plate; 63. a first mounting groove; 64. a first chamfer; 65. a second mounting groove; 66. a third mounting groove; 67. a connecting plate; 68. and a limiting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses supplementary hoist device of prefabricated building. Referring to fig. 1 and 2, an auxiliary hoist of a prefabricated building includes a loading platform 1. The top surface of the object carrying platform 1 is provided with a paying-off mechanism 2 used for suspending the cross steel rib 15. The pay-off mechanism 2 comprises a winding drum 21 fixed at the top of the loading platform 1 and a motor 22 connected with the top of the loading platform 1 in a sliding manner; a lifting rope 23 is wound around the outer peripheral surface of the drum 21. The top surface of the loading platform 1 is provided with a first sliding chute 24, and the loading platform 1 is connected with a first sliding plate 25 in a sliding manner along the length direction of the loading platform 1 through the first sliding chute 24; the motor 22 is fixed on the top of the first sliding plate 25; a first spring 26 is fixed on one side of the first sliding plate 25 away from the winding drum 21, and one end of the first spring 26 away from the first sliding plate 25 is fixedly connected with the loading platform 1 through the first chute 24. A driving assembly 3 for driving the drum 21 to rotate is arranged between the motor 22 and the drum 21.

Referring to fig. 2 and 3, the driving assembly 3 includes a first clutch shaft 31 fixed to the output end of the motor 22 and a second clutch shaft 32 fixedly connected to the winding drum 21; the second clutch shaft 32 is fixed at the center of the drum 21 near the motor 22. A plurality of wedge-shaped transmission blocks 33 are uniformly distributed on one side of the first clutch shaft 31 away from the motor 22, and the transmission blocks 33 and the first clutch shaft 31 are integrally formed; a plurality of wedge-shaped matching grooves 34 are uniformly distributed on one side of the second clutch shaft 32 close to the motor 22, and the second clutch shaft 32 is inserted into the transmission block 33 through the matching grooves 34. In this embodiment, four driving blocks 33 and four fitting grooves 34 are provided. After the transmission block 33 is inserted into the matching groove 34, the first clutch shaft 31 and the second clutch shaft 32 are in a joint state; causing motor 22 to rotate drum 21. When the first sliding plate 25 drives the motor 22 to move, the first clutch shaft 31 is separated from the second clutch shaft 32, and the motor 22 no longer drives the winding drum 21 to rotate.

Referring to fig. 2 and 3, a groove 331 is formed in the wedge-shaped vertical surface of the transmission block 33, and a rubber pad 332 is fixedly bonded to the transmission block 33 through the groove 331. Because the first clutch shaft 31 and the second clutch shaft 32 are mostly in high-speed rotation during the insertion process, the rubber pad 332 can reduce the possibility of rigid collision between the transmission block 33 and the matching groove 34 of the second clutch shaft 32 during rotation; meanwhile, when the transmission block 33 is separated from the matching groove 34 of the second clutch shaft 32, the second clutch shaft 32 is also in a high-speed rotating condition, and the direct abrasion of the contact surface of the first clutch shaft 31 and the second clutch shaft 32 can be reduced by arranging the rubber pad 332; because the rubber pad 332 is fixedly bonded with the transmission block 33, the worn rubber pad 332 is convenient to replace.

Referring to fig. 1 and 2, a second chute 11 is formed in a side wall of the first chute 24, and the object carrying platform 1 is connected with a second sliding plate 12 through the second chute 11 in a sliding manner along the vertical direction; a second spring 13 is fixed at the bottom end of the second sliding plate 12, and the bottom end of the second spring 13 is fixedly connected with the loading platform 1 through a second chute 11; the second spring 13 applies an upward returning elastic force to the second slide plate 12 in a compressed state. The opposite inner sides of the second sliding plate 12 and the first sliding plate 25 are respectively provided with an inclined surface 27. The top of the second sliding board 12 is rotatably mounted with a steering wheel 14, and a lifting rope 23 is wound around the steering wheel 14. The bottom end of the lifting rope 23 is used for suspending the cross steel rib 15 to be assembled; the cross steel rib 15 is a stiff steel rib. When the cross steel rib 15 is suspended by the lifting rope 23, the tension applied to the lifting rope 23 by the cross steel rib 15 presses the steering wheel 14 downwards; when the cross steel rib 15 contacts the bottom platform, the pulling force applied to the steering wheel 14 by the lifting rope 23 is reduced, the second sliding plate 12 moves upwards under the action of the elastic force of the second spring 13, the second sliding plate 12 presses against the first sliding plate 25 through the inclined surface 27, and pushes the first sliding plate 25 to move, so that the first clutch shaft 31 is separated from the second clutch shaft 32.

Referring to fig. 2 and 4, the splicing mechanism 4 for splicing with the section to be assembled is arranged on the outer peripheral surface of the cross steel rib 15. The splicing mechanism 4 comprises four first connecting rods 41 respectively hinged with the cross steel rib 15 and a positioning plate 5 hinged with one end of each first connecting rod 41 far away from the cross steel rib 15. The surfaces of two adjacent webs 36 of the cross steel rib 15 are fixedly connected with a fixing plate 43 with a triangular cross section; two hinge plates 44 are fixed on one side of the fixing plate 43 close to the positioning plate 5, hinge shafts 45 are respectively fixed on the opposite inner sides of the two hinge plates 44, and one end of each hinge shaft 45 far away from the hinge plate 44 is rotatably connected with the side wall of the first connecting rod 41. A first torsion spring 46 is fixed on one side of the hinge plate 44 close to the hinge shaft 45, the first torsion spring 46 is sleeved on the periphery of the hinge shaft 45, and one end of the first torsion spring 46 far away from the hinge plate 44 is fixedly connected with the first connecting rod 41; the first torsion spring 46 is used to drive the first link 41 to return to the horizontal state. Two second connecting rods 47 are hinged to the top end of the first connecting rod 41, and a third connecting rod 48 is hinged to one end, far away from the first connecting rod 41, of each second connecting rod 47; the top surface of the fixing plate 43 is provided with a mounting hole 49 for penetrating the third connecting rod 48, and the fixing plate 43 is connected with the third connecting rod 48 in a sliding manner along the vertical direction through the mounting hole 49. The bottom end of the third link 48 is fixed with the abutting piece 42. The cross steel rib 15 gradually descends under the driving action of the motor 22, and when the abutting sheet 42 is in contact with the cross steel rib 15 located below, the abutting sheet 42 drives the third connecting rod 48 to ascend; the third connecting rod 48 drives the first connecting rod 41 to rotate downwards through the second connecting rod 47, and in the rotating process, the positioning plate 5 moves towards one side close to the cross steel rib 15. Two hinging pieces are fixed on one side of the positioning plate 5 close to the cross steel rib 15, second torsion springs are respectively fixed on the opposite inner sides of the two hinging pieces, and the opposite ends of the two second torsion springs are respectively fixedly connected with the first connecting rod 41; by arranging the second torsion spring, after the second connecting rod 47 rotates downwards, one side of the positioning plate 5 close to the first connecting rod 41 is attached to the wing plate 37 of the cross steel rib 15 located below.

Referring to fig. 5 and 6, the positioning plate 5 includes a vertical plate 35, and a first inclined plate 51 and a second inclined plate 52 fixed to both sides of the vertical plate 35, respectively; the first inclined plate 51 and the second inclined plate 52 are both used for abutting against the wing plates 37 of the cross steel rib 15. A connecting component 6 for connecting the two positioning plates 5 is arranged between the first inclined plate 51 and the second inclined plate 52 of the adjacent positioning plate 5. The connecting assembly 6 comprises an abutting plate 61 fixed on one side of the first inclined plate 51 close to the second inclined plate 52 and a matching plate 62 connected with the second inclined plate 52 in a sliding mode. After the positioning plate 5 rotates downwards, the inclined plate I51 and the inclined plate II 52 are respectively attached to the wing plates 37 of the upper and lower cross steel ribs 15; the wing plates 37 are used for positioning the suspended cross steel rib 15, so that the suspended cross steel rib 15 and the lower cross steel rib 15 are in contact with each other and then are coplanar.

Referring to fig. 4 and 6, a first installation groove 63 is formed in one side of the second inclined plate 52, which is close to the first inclined plate 51, and the matching plate 62 is connected with the second inclined plate 52 in a sliding manner along the length direction of the second inclined plate 52 through the first installation groove 63. The abutting plate 61 and the matching plate 62 are respectively provided with a first chamfer 64 on opposite inner sides. The first mounting groove 63 is provided with a second mounting groove 65 on a side close to the wing plate 37, and the second mounting groove 65 is provided with a third mounting groove 66 on a side close to the swash plate 51. A connecting plate 67 is fixed on one side of the matching plate 62 close to the wing plate 37, and the inclined plate II 52 is connected with the connecting plate 67 in a sliding manner along the length direction of the inclined plate II 52 through a second mounting groove 65; a limiting plate 68 is fixed on one side of the connecting plate 67 close to the first inclined plate 51, and the limiting plate 68 is connected with the second inclined plate 52 in a sliding manner along the length direction of the second inclined plate 52 through a third mounting groove 66. The side of the connecting plate 67 far away from the first inclined plate 51 is fixed with a third spring 53, and one end of the third spring 53 far away from the connecting plate 67 is fixedly connected with the second inclined plate 52 through a second mounting groove 65. A fourth mounting groove 54 is formed in one side, close to the wing plate 37, of the second inclined plate 52, and the second inclined plate 52 is connected with a plug board 55 in a sliding mode along the width direction of the second inclined plate 52 through the fourth mounting groove 54; the insertion plate 55 is adapted to be inserted into the abutment plate 61 on a side thereof adjacent to the wing 37. A fourth spring 56 is fixed on one side of the plug board 55 close to the wing board 37, and one end of the fourth spring 56 far away from the plug board 55 is fixedly connected with the second inclined board 52 through a fourth mounting groove 54. A limiting hole 16 for penetrating the insertion plate 55 is formed in one side, close to the abutting plate 61, of the connecting plate 67, and an insertion block 17 for being inserted into the insertion plate 55 is fixed on the side wall, away from the inclined plate 51, of the limiting hole 16. After two adjacent positioning plates 5 approach each other, the abutting plate 61 contacts the matching plate 62, the abutting plate 61 abuts against the matching plate 62 through the first chamfer 64, and the matching plate 62 is pushed to move towards the side far away from the inclined plate one 51; the matching plate 62 drives the limit plate 68 to move towards the side far away from the inclined plate one 51 through the connecting plate 67. After the limiting plate 68 moves, the plug block 17 is separated from the plug plate 55, and the plug plate 55 is plugged with the abutting plate 61 under the elastic force of the fourth spring 56, so that the limiting position along the length direction of the inclined plate 51 is provided for the abutting plate 61.

The implementation principle of the auxiliary hoisting device of the fabricated building is as follows:

after the motor 22 is started, the motor 22 drives the winding drum 21 to pay off, so that the cross steel rib 15 moves downwards along the vertical direction.

After the suspended cross steel rib 15 contacts with the support below, the pulling force of the cross steel rib 15 on the lifting rope 23 is reduced, and the second sliding plate 12 is reset upwards under the action of the second spring 13. The second sliding plate 12 pushes the first sliding plate 25 to move through the inclined plane 27, after the motor 22 moves along with the first sliding plate 25, the first clutch shaft 31 is separated from the second clutch shaft 32, the motor 22 no longer drives the winding drum 21 to rotate, and the winding drum 21 stops paying off.

When the cross steel ribs 15 are in a suspended state, the first connecting rod 41 approaches to a horizontal state, and at this time, the distance between the positioning plate 5 and the cross steel ribs 15 is the farthest, so that the possibility that the positioning plate 5 obstructs the contact of the two cross steel ribs 15 is reduced.

After the contact piece 42 contacts with the cross steel rib 15 located below, the contact piece 42 drives the third connecting rod 48 to move upwards, the third connecting rod 48 drives the first connecting rod 41 to rotate downwards through the second connecting rod 47, and the positioning plate 5 is attached to the wing plate 37 of the cross steel rib 15 below in the downward movement process, so that after the upper cross steel rib 15 and the lower cross steel rib 15 are contacted, the wing plates 37 of the upper cross steel rib and the lower cross steel rib are coplanar, and the subsequent welding operation on the two cross steel ribs 15 is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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

1. The utility model provides an auxiliary hoisting device of assembly type structure, includes cargo platform (1), cargo platform (1) top is fixed with reel (21), reel (21) outer peripheral face is around being equipped with lifting rope (23) that are used for hanging in midair waiting to assemble cross reinforcing bar (15), its characterized in that: the object carrying platform (1) is connected with a first sliding plate (25) in a sliding manner along the length direction of the object carrying platform; a motor (22) is fixed at the top of the first sliding plate (25); the carrying platform (1) is connected with a second sliding plate (12) along the vertical direction in a sliding manner; the opposite inner sides of the second sliding plate (12) and the first sliding plate (25) are respectively provided with an inclined plane (27); a second spring (13) is fixed at the bottom end of the second sliding plate (12), and the bottom end of the second spring (13) is fixedly connected with the carrying platform (1); the top of the second sliding plate (12) is rotatably provided with a steering wheel (14), and the lifting rope (23) is wound on the periphery of the steering wheel (14); a driving assembly (3) for driving the winding drum (21) to rotate is arranged between the motor (22) and the winding drum (21);

the driving assembly (3) comprises a first clutch shaft (31) fixed at the output end of the motor (22) and a second clutch shaft (32) fixedly connected with the winding drum (21); a plurality of wedge-shaped transmission blocks (33) are uniformly distributed on one side, away from the motor (22), of the first clutch shaft (31), a plurality of wedge-shaped matching grooves (34) are uniformly distributed on one side, close to the motor (22), of the second clutch shaft (32), and the second clutch shaft (32) is connected with the transmission blocks (33) in an inserting mode through the matching grooves (34);

when the cross steel rib (15) is suspended by the lifting rope (23), the tension applied to the lifting rope (23) by the cross steel rib (15) can press the steering wheel (14) downwards; when the cross steel rib (15) is in contact with the bottom platform, the pulling force applied to the steering wheel (14) by the lifting rope (23) is reduced, the second sliding plate (12) moves upwards under the action of the elastic force of the second spring (13), the second sliding plate (12) can be pressed against the first sliding plate (25) through the inclined surface (27) and pushes the first sliding plate (25) to move, and therefore the first clutch shaft (31) is separated from the second clutch shaft (32);

after the transmission block (33) is inserted into the matching groove (34), the first clutch shaft (31) and the second clutch shaft (32) are in a joint state; the motor (22) drives the winding drum (21) to rotate, when the first sliding plate (25) drives the motor (22) to move, the first clutch shaft (31) is separated from the second clutch shaft (32), and the motor (22) does not drive the winding drum (21) to rotate any more.

2. The auxiliary hoisting device of the fabricated building according to claim 1, wherein: one side, far away from reel (21), of first slide plate (25) is fixed with first spring (26), first slide plate (25) one end and objective platform (1) fixed connection are kept away from in first spring (26).

3. The auxiliary hoisting device of the fabricated building according to claim 1, wherein: the surfaces of two webs (36) adjacent to the cross steel ribs (15) are fixedly connected with a fixing plate (43); two hinge plates (44) are fixed on one side of the fixed plate (43) far away from the web plate (36), hinge shafts (45) are respectively fixed on the opposite inner sides of the two hinge plates (44), and one end, far away from the hinge plates (44), of each hinge shaft (45) is rotatably connected with a first connecting rod (41); one end of the first connecting rod (41) far away from the cross steel rib (15) is hinged with a positioning plate (5); one side of the first connecting rod (41) close to the cross steel rib (15) is provided with a trigger assembly for driving the first connecting rod (41) to rotate.

4. The auxiliary hoisting device of the fabricated building according to claim 3, wherein: the trigger assembly comprises a second connecting rod (47) hinged to the top end of the first connecting rod (41), and one end, away from the first connecting rod (41), of the second connecting rod (47) is hinged to a third connecting rod (48); third connecting rod (48) bottom mounting has butt piece (42), mounting hole (49) that are used for wearing to establish third connecting rod (48) are seted up to fixed plate (43) top surface, third connecting rod (48) are connected through mounting hole (49) and fixed plate (43) along vertical sliding.

5. The auxiliary hoisting device of the fabricated building according to claim 3, wherein: and a first torsion spring (46) is fixed on one side of the hinge plate (44) close to the hinge shaft (45), and one end, far away from the hinge plate (44), of the first torsion spring (46) is fixedly connected with the first connecting rod (41).

6. The auxiliary hoisting device of the fabricated building according to claim 3, wherein: the positioning plate (5) comprises a vertical plate (35), and a first inclined plate (51) and a second inclined plate (52) which are respectively fixed on two sides of the vertical plate (35); a butt joint plate (61) is fixed on one side, close to the inclined plate II (52), of the inclined plate I (51), and a matching plate (62) is connected with the inclined plate II (52) in a sliding mode along the length direction of the inclined plate II; the opposite inner sides of the abutting plate (61) and the matching plate (62) are respectively provided with a first chamfer (64); a connecting plate (67) is fixed on one side of the matching plate (62) close to the wing plate (37), and a limiting plate (68) is fixed on one side of the connecting plate (67) close to the inclined plate I (51); the inclined plate II (52) is connected with a plug board (55) in a sliding manner along the width direction of the inclined plate II; the inserting plate (55) is used for being inserted into one side, close to the wing plate (37), of the abutting plate (61); one side, close to the abutting plate (61), of the connecting plate (67) is provided with a limiting hole (16) used for penetrating the insertion plate (55), and the side wall, far away from the inclined plate I (51), of the limiting hole (16) is fixed with an insertion block (17) used for being inserted into the insertion plate (55).

7. The auxiliary hoisting device of the fabricated building according to claim 6, wherein: the side of the connecting plate (67) far away from the first inclined plate (51) is fixedly provided with a third spring (53), and one end of the third spring (53) far away from the connecting plate (67) is fixedly connected with the second inclined plate (52) through a second mounting groove (65).

8. The auxiliary hoisting device of the fabricated building according to claim 6, wherein: and a fourth spring (56) is fixed on one side of the insertion plate (55) close to the wing plate (37), and one end, far away from the insertion plate (55), of the fourth spring (56) is fixedly connected with the second inclined plate (52) through a fourth mounting groove (54).