CN216303131U

CN216303131U - Tower crane lifting device

Info

Publication number: CN216303131U
Application number: CN202122800582.XU
Authority: CN
Inventors: 张朝超
Original assignee: Qinzhou Hengchao Machinery Leasing Co ltd
Current assignee: Qinzhou Hengchao Machinery Leasing Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-15
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a tower crane lifting device which comprises a motor, wherein a driving end of the motor is connected with a high-speed shaft of a speed reducer through a coupler and a transmission shaft, a controller is fixedly connected to the right side of the coupler, a low-speed shaft of the speed reducer is fixedly connected to the right end of a rotating shaft, a winding drum is fixedly connected to the outer diameter of the rotating shaft, the outer diameter of the left end of the rotating shaft is rotatably connected to the top of a supporting plate, a torque limiter is arranged at the left end of the rotating shaft, and a height limiter is arranged at the left side of the torque limiter. According to the utility model, the driving or driven part can be protected in the transmission system through the arranged torque limiter, so that overload protection is realized, meanwhile, the height limiter can be used for avoiding possible control errors, avoiding that the crane arm support structure is damaged during lifting, preventing the problem that a steel wire rope on a winding drum is completely loosened or even surrounds the winding drum in the opposite direction during descending, and prolonging the service life of the lifting device.

Description

Tower crane lifting device

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a lifting device of a tower crane.

Background

With the continuous progress of the times, the scale of high buildings to be built is also continuously increased, so that the rapid development of engineering crane machinery is promoted. The tower crane belongs to one kind of engineering crane and belongs to intermittent carrying machinery, and the tower crane may be divided into metal structure part, mechanism driving part, electric appliance controlling and protecting part and outer support as well as additional facilities. The features of using a tower crane are many, for example: the device has the advantages of wide application range, large working amplitude, high lifting height, large turning radius, high working efficiency, simple operation, convenient installation and disassembly and the like. The tower crane is popular among engineering workers, so that the tower crane is widely applied to heavy projects such as building construction, water conservancy and electric power, the working period can be shortened due to the wide use of the tower crane, the working intensity and the working load of people can be reduced, the labor cost of the project can be reduced, the working efficiency can be increased, and the quality of the project construction can be improved.

At present, the conventional tower crane hoisting device cannot normally work under the conditions of large speed fluctuation range, stable start and stop, self weight limitation and narrow space in the use process, so that the stability of the hoisting device is low, and the hoisting device needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a tower crane lifting device.

In order to achieve the purpose, the utility model adopts the following technical scheme: tower crane plays to rise device, including the motor, the drive end of motor passes through the shaft coupling and the high-speed shaft of transmission shaft and reduction gear links to each other, the right side fixedly connected with controller of shaft coupling, the low-speed shaft fixed connection of reduction gear is at the right-hand member of pivot, fixedly connected with reel on the external diameter of pivot, fixed connection is in wire rope's one end on the external diameter of reel, wire rope's the other end is provided with the assembly pulley, rotate the top of connection in the backup pad on the left end external diameter of pivot, the left end of pivot is provided with torque limiter, torque limiter's left side is provided with high stopper, the bottom fixed connection of reduction gear is at the top of mounting panel, the bottom fixed connection of mounting panel is on the top right side of base.

As a further description of the above technical solution:

the equal fixedly connected with connecting piece in both sides and top left end around the base.

As a further description of the above technical solution:

the top left side fixed connection of base is in the bottom of backup pad.

As a further description of the above technical solution:

the bottom of the height limiter is fixedly connected to the top of the fixed seat.

As a further description of the above technical solution:

the pulley block consists of a wheel rim with a rope groove, a wheel spoke and a wheel hub.

As a further description of the above technical solution:

the left end and the right end of the winding drum are fixedly connected with baffle plates.

As a further description of the above technical solution:

the motor is connected with the controller through a lead.

As a further description of the above technical solution:

the left side fixedly connected with bracing piece of backup pad, the top fixed connection of bracing piece is in the bottom of fixing base.

The utility model has the following beneficial effects:

in the utility model, firstly, a motor drives a speed reducer to rotate through a coupler and a transmission shaft, the speed reducer drives a rotating shaft and a winding drum to rotate, so that the purpose of winding and unwinding a steel wire rope to drive a pulley block and a lifting hook on the pulley block to lift or put down materials is realized, a driving part or a driven part can be protected in a transmission system through an arranged torque limiter, the main function is overload protection, meanwhile, a height limiter can be used for avoiding possible control errors, so that the problem that a crane arm frame structure is damaged during lifting is avoided, the problem that the steel wire rope on the winding drum is completely loosened or even surrounds the winding drum in the opposite direction during descending is prevented, the service life of a lifting device is prolonged, the use safety is improved, the speed change of a tower crane is realized through a speed change mechanism such as the speed reducer, the speed fluctuation range is large, the starting and stopping are stable, the self weight is limited, and the material can be lifted and put down, The purpose of normal work under the narrow and small condition in space has improved the suitability that tower crane rises to rise the device and uses.

Drawings

Fig. 1 is a perspective view of a hoisting device of a tower crane according to the present invention;

fig. 2 is a front view of a tower crane hoist according to the present invention.

Illustration of the drawings:

1. a base; 2. mounting a plate; 3. a speed reducer; 4. a drive shaft; 5. a coupling; 6. an electric motor; 7. a controller; 8. a connecting member; 9. a support plate; 10. a support bar; 11. a fixed seat; 12. a rotating shaft; 13. a reel; 14. a torque limiter; 15. a height limiter; 16. a wire rope; 17. and (4) a pulley block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: a tower crane lifting device comprises a motor 6, wherein the driving end of the motor 6 is connected with a high-speed shaft of a speed reducer 3 through a coupler 5 and a transmission shaft 4, the right side of the coupler 5 is fixedly connected with a controller 7, the low-speed shaft of the speed reducer 3 is fixedly connected with the right end of a rotating shaft 12, the outer diameter of the rotating shaft 12 is fixedly connected with a winding drum 13, the outer diameter of the winding drum 13 is fixedly connected with one end of a steel wire rope 16, the other end of the steel wire rope 16 is provided with a pulley block 17, the outer diameter of the left end of the rotating shaft 12 is rotatably connected with the top of a supporting plate 9, the left end of the rotating shaft 12 is provided with a torque limiter 14, the left side of the torque limiter 14 is provided with a height limiter 15, the bottom of the speed reducer 3 is fixedly connected with the top of a mounting plate 2, the bottom of the mounting plate 2 is fixedly connected with the right side of the top of a base 1, and the motor 6 drives the speed reducer 3 to rotate through the coupler 5 and the transmission shaft 4, the reducer 3 drives the rotating shaft 12 and the winding drum 13 to rotate, so that the purpose of winding and unwinding the steel wire rope 16 to drive the pulley block 17 and the lifting hook thereon to lift or put down the material is achieved, the torque limiter 14 is arranged to protect the driven or driven components in the drive train, the main function being overload protection, while the height limiter 15 can be used to avoid possible handling errors, thereby avoiding damaging the structure of the crane boom when in lifting, preventing the problem that the steel wire rope 16 on the winding drum 13 is completely loosened and even surrounds the winding drum 13 in the opposite direction when in descending, prolonging the service life of the lifting device and improving the use safety, the speed of the tower crane is changed through the speed changing mechanisms such as the speed reducer 3, so that the aim of normal work under the conditions of large speed fluctuation range, stable start and stop, self weight limitation and narrow space is fulfilled, and the applicability of the use of the lifting device of the tower crane is improved.

Base 1's the front and back both sides and the equal fixedly connected with connecting piece 8 of top left end, be convenient for install fixed device that rises, base 1's top left side fixed connection is in the bottom of backup pad 9, height limiter 15's bottom fixed connection is at the top of fixing base 11, the supporting role has been played, assembly pulley 17 is by the rim of taking the grooving, spoke and wheel hub constitute, the equal fixedly connected with baffle in both ends about reel 13, avoid 16 squints of wire rope to go out reel 13, motor 6 passes through the wire and links to each other with controller 7, be convenient for control, the left side fixedly connected with bracing piece 10 of backup pad 9, the top fixed connection of bracing piece 10 is in the bottom of fixing base 11, the joint support effect has been played.

The working principle is as follows: when the crane boom structure is used, the motor 6 is started through the controller 7, the motor 6 drives the speed reducer 3 to rotate through the coupler 5 and the transmission shaft 4, the speed reducer 3 drives the rotating shaft 12 and the winding drum 13 to rotate, so that the purpose of winding and unwinding the steel wire rope 16 to drive the pulley block 17 and a lifting hook on the pulley block to lift or put down materials is achieved, a driving part or a driven part can be protected in a transmission system through the arranged torque limiter 14, the main function is overload protection, meanwhile, the height limiter 15 can be used for avoiding possible control errors, the crane boom structure is prevented from being damaged when the crane boom structure is lifted up, and the problem that the steel wire rope 16 on the winding drum 13 is completely loosened or even surrounds the winding drum 13 in the opposite direction when the crane boom structure is lowered down is prevented.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Tower crane plays to rise device, includes motor (6), its characterized in that: the drive end of motor (6) passes through shaft coupling (5) and transmission shaft (4) and links to each other with the high-speed axle of reduction gear (3), the right side fixedly connected with controller (7) of shaft coupling (5), the low-speed axle fixed connection of reduction gear (3) is at the right-hand member of pivot (12), fixedly connected with reel (13) on the external diameter of pivot (12), fixed connection is in the one end of wire rope (16) on the external diameter of reel (13), the other end of wire rope (16) is provided with assembly pulley (17), rotate on the left end external diameter of pivot (12) and connect the top in backup pad (9), the left end of pivot (12) is provided with torque limiter (14), the left side of torque limiter (14) is provided with high stopper (15), the bottom fixed connection of reduction gear (3) is at the top of mounting panel (2), the bottom of the mounting plate (2) is fixedly connected to the right side of the top of the base (1).

2. A tower crane hoist as claimed in claim 1, wherein: the front side, the rear side and the top left end of the base (1) are fixedly connected with connecting pieces (8).

3. A tower crane hoist as claimed in claim 1, wherein: the left side of the top of the base (1) is fixedly connected to the bottom of the supporting plate (9).

4. A tower crane hoist as claimed in claim 1, wherein: the bottom of the height limiter (15) is fixedly connected to the top of the fixed seat (11).

5. A tower crane hoist as claimed in claim 1, wherein: the pulley block (17) consists of a wheel flange with a rope groove, a wheel spoke and a wheel hub.

6. A tower crane hoist as claimed in claim 1, wherein: the left end and the right end of the winding drum (13) are fixedly connected with baffle plates.

7. A tower crane hoist as claimed in claim 1, wherein: the motor (6) is connected with the controller (7) through a lead.

8. A tower crane hoist as claimed in claim 1, wherein: the left side fixedly connected with bracing piece (10) of backup pad (9), the top fixed connection of bracing piece (10) is in the bottom of fixing base (11).