CN213231287U

CN213231287U - Hoisting device for large-span building structure

Info

Publication number: CN213231287U
Application number: CN202022232698.3U
Authority: CN
Inventors: 刘静; 陈发有
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-18
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to a large-span building structure's overhead hoist, including the handling machine, the internally mounted of handling machine has slewing mechanism, the handling frame is connected with the bearing box through the crossbeam, the inside of bearing box is equipped with fixture, slewing mechanism includes driving motor, action wheel, driven wheel, first runner and second runner, the external toothing of action wheel, driven wheel, first runner and second runner is connected with synchronous chain rack, the output of first runner and second runner all is connected to the bottom of bearing board, fixture includes mounting panel, lead screw, gag lever post and fixing base, the lead screw passes through the support and connects the mounting panel, the both ends of lead screw are equipped with the screw thread of opposite direction, install two gag lever posts on the mounting panel, the fixing base cover is located the screw thread of gag lever post and lead screw; the utility model provides an overhead hoist, it is limited to solve the security, and handling efficiency is not good and the higher problem of staff intensity of labour.

Description

Hoisting device for large-span building structure

Technical Field

The utility model belongs to the technical field of the construction equipment, concretely relates to large-span building structure's overhead hoist.

Background

With the rapid development of economy and the pace of modern construction in China being gradually accelerated, the assembly type building is rapidly developed, wherein the advantages of light dead weight, good earthquake resistance and the like of a steel structure building and a bridge are widely applied, and a steel structure hoisting scheme always focuses on steel structure construction and is generally concerned by each construction unit and each expert.

This type of hoisting device for construction on the market is of a great variety now, can satisfy people's user demand basically, hoisting device for construction is at present because the overweight easy device that leads to of steel construction building takes place slope and unstable phenomenon, the security that leads to the device is limited, it is the rotation of artifical carrying out the device when using more, waste time and energy and easily lead to staff fatigue, in addition do not fixed between component and handling case at the in-process of component handling, the component easily appears rocking in the incasement, bring the work degree of difficulty for operating personnel.

Disclosure of Invention

The utility model aims at solving the problem that proposes among the background art, and provide a large-span building structure's overhead hoist, it is limited to solve the security, and handling efficiency is not good and staff intensity of labour is very higher problem.

The purpose of the utility model is realized like this:

a lifting device for a large-span building structure comprises a lifting machine, wherein a rotating mechanism is installed inside the lifting machine and connected with a lifting frame through a bearing plate, the lifting frame is connected with a bearing box through a cross beam, a clamping mechanism is arranged inside the bearing box, the rotating mechanism comprises a driving motor, a driving wheel, a driven wheel, a first rotating wheel and a second rotating wheel, the driving wheel and the driven wheel are coaxially arranged at two ends inside the lifting machine, the axes of the first rotating wheel and the second rotating wheel are superposed and arranged between the driving wheel and the driven wheel, an output shaft of the driving motor is connected with the driving wheel through a shaft coupling, the driving wheel, the driven wheel, the first rotating wheel and the second rotating wheel are connected with a synchronous chain rack in a meshed mode, and output ends of the first rotating wheel and the second rotating wheel are connected to the bottom end of the bearing plate;

the fixture mounting panel, including lead screw, gag lever post and fixing base, the mounting panel is located on the inside wall of bearing box, the lead screw passes through the support along the length direction of mounting panel and connects the mounting panel, the both ends of lead screw are equipped with opposite direction's screw thread, two gag lever posts are installed through the support in the both ends screw thread department that corresponds the lead screw on the mounting panel, the fixing base cover is located on the screw thread of gag lever post and lead screw, the inside of bearing box, be equipped with the spout on a lateral wall that corresponds fixture, the fixing base is connected to the spout through the supporting rod.

Preferably, the inner side wall of the lifting machine is provided with a slide rail which is in sliding connection with the bearing plate in the rotating direction corresponding to the bearing plate.

Preferably, one end of the cross beam, which is close to the lifting frame, is connected with the top end of the lifting frame through a first pulley, and one end of the cross beam, which is close to the bearing box, is provided with a second pulley.

Preferably, the bearing box passes through the second pulley and the second pulley is connected to the hoist engine of locating the bearing plate upper end through the haulage rope in proper order.

Preferably, both sides of the trolley in the height direction are connected to the supporting plate through gas springs.

Preferably, the fixing seat is rotatably connected to the thread of the screw rod, and the limiting rod is sleeved with the fixing seat in a sliding manner.

Preferably, the inside of spout is equipped with the slider with supporting rod fixed connection, the supporting rod passes through slider sliding connection spout.

Preferably, a gas spring is also connected between the lifting frame and the cross beam.

Preferably, one end of the traction rope, which is close to the bearing box, is provided with a balance frame, and the traction rope is connected with the bearing box through the balance frame.

Preferably, the balancing stand is a square stand, a plurality of suspenders connected with two long edges of the square stand are arranged in the square stand of the balancing stand along the length direction, and a plurality of suspension ring holes are formed in the bottom end of each suspender.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides a pair of large-span building structure's overhead hoist, through the hoist engine to the tensile adjustable height that bears the case of haulage rope, the air spring of lifting frame both sides can play support and tensile effect to the lifting frame, guarantees the balance of lifting frame according to the weight of handling component.

2. The utility model provides a pair of large-span building structure's overhead hoist, thereby the rotation through driving motor drive master gear drives the synchronous rotation from the gear through the chain rack, the chain rack drives the first runner of meshing with within and second runner rotates at the pivoted in-process, thereby make the bearing board rotatory thereupon, the position to the lifting frame on the bearing board is adjusted, the angle of handling case has been changed, save artifical the rotation, staff's intensity of labour has been reduced, gear engagement's rotation can guarantee angle adjustment's stationarity and accuracy.

3. The utility model provides a pair of large-span building structure's overhead hoist can drive two fixed seatings through the rotation of lead screw and move to opposite direction, arranges the component in between two supporting rods, thereby the displacement adjustment that drives the supporting rod through the fixing base with the component centre gripping between two supporting rods, avoids the component to appear rocking at the handling in-process, has strengthened the balance and the stability in the working process.

Drawings

Fig. 1 is the utility model discloses a hoisting device schematic structure of large-span building structure.

Fig. 2 is the utility model discloses a large-span building structure's overhead hoist slewing mechanism schematic diagram.

Fig. 3 is the utility model discloses a large-span building structure's overhead hoist bears case schematic diagram.

Fig. 4 is the utility model discloses a large-span building structure's overhead hoist fixture schematic diagram.

In the figure: 1. a lifting machine; 2. a support plate; 3. a drive motor; 4. a driving wheel; 5. a chain rack; 6. a first runner; 7. a second runner; 8. a driven wheel; 9. a lifting frame; 10. a cross beam; 11. a carrying case; 12. a second pulley; 13. a first pulley; 14. a hauling rope; 15. a gas spring; 16. a winch; 17. a chute; 18. a slider; 19. a clamping rod; 20. mounting a plate; 21. a screw rod; 22. a fixed seat; 23. a support; 24. a limiting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Example 1

With reference to fig. 1 and 2, a lifting device for a large-span building structure comprises a lifting machine 1, wherein a rotating mechanism is installed inside the lifting machine 1, the rotating mechanism is connected with a lifting frame 9 through a bearing plate 2, sliding rails which are connected with the bearing plate 2 in a sliding manner are arranged on the inner side wall of the lifting machine 1 and correspond to the rotating direction of the bearing plate 2, the lifting frame 9 is connected with a bearing box 11 through a cross beam 10, one end, close to the lifting frame 9, of the cross beam 10 is connected with the top end of the lifting frame 9 through a first pulley 13, one end, close to the bearing box 11, of the cross beam 10 is provided with a second pulley 12, the bearing box 11 sequentially penetrates through the second pulley 12 and the first pulley 13 to be connected to a winch 16 arranged at the upper end of the bearing plate 2 through a gas spring 15, the two sides of the lifting machine 1 in the height direction are connected to the bearing plate 2 through the gas spring 15, and the height of the, the air springs on the two sides of the lifting frame can support and stretch the lifting frame, and the balance of the lifting frame is guaranteed according to the weight of the lifting member.

The slewing mechanism includes driving motor 3, action wheel 4, follows driving wheel 8, first runner 6 and second runner 7, the inside both ends of handling machine 1 are located to action wheel 4 and follow driving wheel 8 with the axle center, the coincidence of first runner 6 and the 7 axle centers of second runner is located between action wheel 4 and the follow driving wheel 8, driving motor 3's output shaft passes through coupling joint action wheel 4, follow driving wheel 8, the outside meshing of first runner 6 and second runner 7 is connected with synchronous chain rack 5, the output of first runner 6 and second runner 7 all is connected to the bottom of bearing board 2.

Thereby through the synchronous rotation of the rotation of driving motor drive master gear through the chain rack drive slave gear, the chain rack drives first runner and the second runner rotation with inside meshing at the pivoted in-process to make the bearing board rotatory thereupon, adjust the position of the lifting frame on the bearing board, changed the angle of handling case, save artifical the rotation, reduced staff's intensity of labour, the gear engagement's rotation can guarantee the stationarity and the accuracy of angle adjustment.

Example 2

With reference to fig. 1, 3 and 4, the lifting device for the large-span building structure comprises a lifting machine 1, wherein a rotating mechanism is mounted inside the lifting machine 1, the rotating mechanism is connected with a lifting frame 9 through a bearing plate 2, the lifting frame 9 is connected with a bearing box 11 through a cross beam 10, and a clamping mechanism is arranged inside the bearing box 11.

The clamping mechanism comprises a mounting plate 20, a screw rod 21, a limiting rod 24 and a fixed seat 22, the mounting plate 20 is arranged on an inner side wall of the bearing box 11, the screw 21 is connected with the mounting plate 20 through a support 23 along the length direction of the mounting plate 20, two ends of the screw rod 21 are provided with threads in opposite directions, two limit rods 24 are arranged on the mounting plate 20 corresponding to the threads at the two ends of the screw rod 21 through a support 23, the fixed seat 22 is sleeved on the threads of the limit rod 24 and the screw rod 21, a sliding groove 17 is arranged on one side wall of the interior of the bearing box 11 corresponding to the clamping mechanism, the fixed seat 22 is connected to the sliding groove 17 through the clamping rod 19, the fixed seat 22 is rotatably connected to the thread of the screw rod 21, the fixing seat 22 is slidably sleeved on the limiting rod 24, a sliding block 18 fixedly connected with a clamping rod 19 is arranged inside the sliding groove 17, and the clamping rod 19 is slidably connected with the sliding groove 17 through the sliding block.

The rotation through the lead screw can drive two fixed seats to opposite direction motion, arranges the component between two supporting rods, thereby drives the displacement adjustment of supporting rod through the fixing base and with the component centre gripping between two supporting rods, avoids the component to appear rocking at the handling in-process, has strengthened the balance and the stability in the working process.

Above only be the preferred embodiment of the present invention, not be used for limiting the utility model discloses, the all be in the utility model discloses an any modification of doing in the protection scope, equal replacement etc. all should be contained within the protection scope of the utility model.

Claims

1. The utility model provides a large-span building structure's overhead hoist, includes cargo airplane (1), its characterized in that: the internal mounting of handling machine (1) has slewing mechanism, slewing mechanism passes through supporting plate (2) and connects lifting frame (9), lifting frame (9) is connected with bearing box (11) through crossbeam (10), the inside of bearing box (11) is equipped with fixture, slewing mechanism includes driving motor (3), action wheel (4), follows driving wheel (8), first runner (6) and second runner (7), action wheel (4) and follow driving wheel (8) are located the inside both ends of handling machine (1) with the axle center, first runner (6) and second runner (7) axle center coincidence locate between action wheel (4) and follow driving wheel (8), the output shaft of driving motor (3) passes through shaft coupling connection action wheel (4), the external toothing of action wheel (4), follow driving wheel (8), first runner (6) and second runner (7) is connected with synchronizing chain (5), the output ends of the first rotating wheel (6) and the second rotating wheel (7) are connected to the bottom end of the bearing plate (2);

fixture includes mounting panel (20), lead screw (21), gag lever post (24) and fixing base (22), mounting panel (20) are located on the inside wall of bearing box (11), lead screw (21) pass through support (23) along the length direction of mounting panel (20) and connect mounting panel (20), the both ends of lead screw (21) are equipped with opposite direction's screw thread, on mounting panel (20), two gag lever posts (24) are installed through support (23) to the both ends screw thread department that corresponds lead screw (21), fixing base (22) cover is located on the screw thread of gag lever post (24) and lead screw (21), the inside of bearing box (11), be equipped with spout (17) on a lateral wall that corresponds fixture, fixing base (22) are connected to spout (17) through supporting rod (19).

2. The overhead hoist of large-span building structure of claim 1, characterized in that: and a sliding rail which is connected with the bearing plate (2) in a sliding way is arranged on the inner side wall of the lifting machine (1) and in the rotating direction corresponding to the bearing plate (2).

3. The overhead hoist of large-span building structure of claim 1, characterized in that: the top of lifting frame (9) is connected through first pulley (13) to the one end that crossbeam (10) are close to lifting frame (9), crossbeam (10) are close to the one end of bearing box (11) and are equipped with second pulley (12).

4. The overhead hoist of large-span building structure of claim 3, characterized in that: the bearing box (11) sequentially passes through the second pulley (12) and the first pulley (13) through a traction rope (14) and is connected to a winch (16) arranged at the upper end of the bearing plate (2).

5. The overhead hoist of large-span building structure of claim 1, characterized in that: two sides of the lifting machine (1) in the height direction are connected to the supporting plate (2) through gas springs (15).

6. The overhead hoist of large-span building structure of claim 1, characterized in that: the fixing seat (22) is rotatably connected to the thread of the screw rod (21), and the fixing seat (22) is slidably sleeved on the limiting rod (24).

7. The overhead hoist of large-span building structure of claim 1, characterized in that: the inside of spout (17) is equipped with slider (18) with clamping rod (19) fixed connection, clamping rod (19) pass through slider sliding connection spout (17).