CN219730371U - Auxiliary hanging structure of tower crane - Google Patents

Abstract

The utility model discloses an auxiliary hanging structure of a tower crane, which comprises an auxiliary winch and a rotating base, wherein a first fixed pulley is arranged on the rotating base, an auxiliary hanging arm is arranged on the first fixed pulley, the auxiliary hanging arm is rotatably arranged on the rotating base, a second fixed pulley and a third fixed pulley are respectively arranged at two ends of the auxiliary hanging arm, an adjusting pulley is further arranged between the second fixed pulley and the third fixed pulley, a plurality of adjusting holes for arranging the adjusting pulleys are formed in the auxiliary hanging arm, a steel wire rope led out by the auxiliary winch sequentially passes through the first fixed pulley, the second fixed pulley, the adjusting pulley and the third fixed pulley, and the steel wire rope between the first fixed pulley and the second fixed pulley keeps a vertical state. The auxiliary hoisting structure is arranged on the tower crane, so that the auxiliary hoisting structure can be directly used for hoisting when the motor, the speed reducer or the slewing mechanism needs to be replaced, and more convenient experience is provided for users.

Description

Auxiliary hanging structure of tower crane

Technical Field

The utility model relates to a tower crane, in particular to an auxiliary hanging structure of a tower crane.

Background

The swing mechanism of the tower crane may sometimes malfunction, and the motor, the speed reducer, or the entire swing mechanism needs to be replaced. While the tower crane is high, these components are also relatively heavy. If the components are lowered to the ground by manpower or pulled to the rotary platform of the tower crane from the ground, the components are matched by a plurality of people, and the labor intensity is very high. If the automobile crane is adopted for assistance, a large automobile crane is required to be selected for the height, and the cost is high.

Disclosure of Invention

The utility model aims to provide an auxiliary hanging structure of a tower crane, which is provided with an auxiliary hanging, thereby bringing convenience to customers and reducing the use cost of the tower crane.

In order to achieve the above purpose, the present utility model provides the following technical solutions.

The embodiment of the utility model discloses an auxiliary hanging structure of a tower crane, which comprises an auxiliary winch and a rotating base, wherein a first fixed pulley is arranged on the rotating base, an auxiliary hanging arm is arranged on the first fixed pulley, the auxiliary hanging arm is rotatably arranged on the rotating base, a second fixed pulley and a third fixed pulley are respectively arranged at two ends of the auxiliary hanging arm, an adjusting pulley is further arranged between the second fixed pulley and the third fixed pulley, a plurality of adjusting holes for arranging the adjusting pulleys are formed in the auxiliary hanging arm, a steel wire rope led out by the auxiliary winch sequentially passes through the first fixed pulley, the second fixed pulley, the adjusting pulley and the third fixed pulley, and the steel wire rope between the first fixed pulley and the second fixed pulley is kept in a vertical state.

Preferably, in the auxiliary suspension structure of a tower crane, one end of the auxiliary suspension arm is rotatably mounted on a fixed bracket, and a lock pin is disposed between the auxiliary suspension arm and the fixed bracket to limit rotation of the auxiliary suspension arm.

Preferably, in the auxiliary hoisting structure of a tower crane, a diverting pulley bracket is further arranged between the auxiliary hoist and the slewing base, and two diverting pulleys are arranged on the diverting pulley bracket and used for steering the steel wire rope.

Preferably, in the auxiliary hoisting structure of a tower crane, the diverting pulley support is mounted on a balance arm root section, the auxiliary hoist is mounted on a balance arm end section, the balance arm end section is fixedly mounted on the balance arm root section, and the balance arm root section is mounted on the swivel base.

Preferably, in the auxiliary hanging structure of a tower crane, two ends of the diverting pulley support are respectively mounted on the root section of the balance arm through U-shaped bolts.

Compared with the prior art, the auxiliary hoisting structure is arranged on the tower crane, so that the auxiliary hoisting structure can be directly used for hoisting by the auxiliary hoisting when the motor, the speed reducer or the slewing mechanism needs to be replaced, and more convenient experience is provided for users.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a perspective view of an auxiliary hanging structure of a tower crane according to an embodiment of the present utility model;

FIG. 2 is a perspective view of an auxiliary hoist structure of a tower crane in accordance with an embodiment of the present utility model;

FIG. 3 is a perspective view showing an auxiliary hanging structure of a tower crane mounted on the tower crane in an embodiment of the present utility model;

fig. 4 is a perspective view of a diverting pulley bracket according to an embodiment of the present utility model.

Detailed Description

The following detailed description of the technical solutions according to the embodiments of the present utility model will be given with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the auxiliary hanging structure 100 of the tower crane comprises an auxiliary hoist 101 and a rotating base 102, wherein a first fixed pulley 103 is installed on the rotating base 102, an auxiliary hanging arm 104 is installed on the first fixed pulley 103, the auxiliary hanging arm 104 is rotatably installed on the rotating base 102, a second fixed pulley 105 and a third fixed pulley 106 are respectively installed at two ends of the auxiliary hanging arm 104, an adjusting pulley 107 is further installed between the second fixed pulley 105 and the third fixed pulley 106, a plurality of adjusting holes 108 for installing the adjusting pulley 107 are formed in the auxiliary hanging arm 104, a steel wire rope 109 led out by the auxiliary hoist 101 sequentially passes through the first fixed pulley 103, the second fixed pulley 105, the adjusting pulley 107 and the third fixed pulley 106, and the steel wire rope 109 between the first fixed pulley 103 and the second fixed pulley 105 maintains a vertical state.

In the embodiment, an auxiliary hoisting structure is arranged on the tower crane, and a motor, a speed reducer or a slewing mechanism which needs to be replaced in hoisting can be realized through the cooperation of a winch and a pulley; the auxiliary suspension arm can rotate, and can rotate to a required position according to the requirement, and the steel wire rope between the first fixed pulley and the second fixed pulley is kept in a vertical state, so that the rotation of the suspension arm can not cause the falling-off of the steel wire rope; in addition, an adjusting pulley is arranged between the second fixed pulley and the third fixed pulley, when a heavy object is lifted, the heavy object can be directly lifted from the adjusting pulley without the third fixed pulley, two positions of the adjusting pulley can be selected, two kinds of working amplitude can be selected, and three kinds of working amplitude can be realized by lifting the heavy object through the third fixed pulley.

Further, one end of the auxiliary suspension arm 104 is rotatably mounted to the fixed bracket 110, and a lock pin 111 is provided between the auxiliary suspension arm 104 and the fixed bracket 110 to restrict rotation of the auxiliary suspension arm 104.

In this embodiment, when the auxiliary suspension arm is not used, the suspension arm is locked by the lock pin, so that the suspension arm is attached to the tower arm; when in use, the lock pin is opened, and the lock pin is directly stirred to a required position by hand and then lifted.

Further, a diverting pulley holder 112 is also provided between the auxiliary hoisting machine 101 and the swivel base 102, and two diverting pulleys 113 are provided on the diverting pulley holder 112 for diverting the wire rope 109.

In this embodiment the steering of the wire rope is achieved by means of a diverting pulley, which is needed to achieve a certain outward movement, since the hoisting machine is normally mounted in the middle of the tower arm for safety and damage prevention, while the auxiliary boom is located on one side of the tower arm, where the wire rope is required to be moved vertically in the horizontal direction.

Further, the diverting pulley support 112 is mounted on a balance arm root section 114, the auxiliary hoist 101 is mounted on a balance arm end section 115, the balance arm end section 115 is fixedly mounted on the balance arm root section 114, and the balance arm root section 114 is mounted on the swivel base 102.

Further, both ends of the diverting pulley support 112 are mounted to the balance arm root joint 114 by U-bolts 116, respectively.

In this embodiment, stability of the stent is ensured.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the embodiments of this utility model and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the utility model, and it is intended to cover all modifications and variations as fall within the scope of the utility model.

Claims (5)

1. The utility model provides a tower crane auxiliary hoisting structure, its characterized in that, including auxiliary hoist engine and gyration base, install first fixed pulley on the gyration base, install auxiliary suspension arm on the first fixed pulley, auxiliary suspension arm rotate install in the gyration base, second fixed pulley and third fixed pulley are installed respectively at auxiliary suspension arm's both ends, still install the regulation pulley between second fixed pulley and the third fixed pulley, be formed with a plurality of installations on the auxiliary suspension arm the regulation hole of regulation pulley, the wire rope that auxiliary hoist engine was drawn forth passes in proper order first fixed pulley, second fixed pulley, regulation pulley, third fixed pulley, first fixed pulley with wire rope between the second fixed pulley keeps vertical state.

2. The auxiliary hanging structure of a tower crane according to claim 1, wherein one end of the auxiliary hanging arm is rotatably mounted on a fixed bracket, and a lock pin is provided between the auxiliary hanging arm and the fixed bracket to restrict rotation of the auxiliary hanging arm.

3. The auxiliary hoist structure of claim 1, characterized in that a diverting pulley support is further provided between the auxiliary hoist and the swivel base, and two diverting pulleys are provided on the diverting pulley support for diverting the wire rope.

4. The auxiliary hoist structure of claim 3, characterized in that the diverting pulley support is mounted to a balance arm root section, the auxiliary hoist is mounted to a balance arm end section, the balance arm end section is fixedly mounted to the balance arm root section, and the balance arm root section is mounted to the swivel base.

5. The auxiliary hanging structure of a tower crane according to claim 4, wherein both ends of the diverting pulley support are mounted to the root section of the balance arm by U-bolts, respectively.