CN217921164U

CN217921164U - Swing mechanism for crane

Info

Publication number: CN217921164U
Application number: CN202221319675.9U
Authority: CN
Inventors: 靳国良
Original assignee: Henan Yingtegray Automation Equipment Co ltd
Current assignee: Henan Yingtegray Automation Equipment Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-29
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to the field of lifting machines, in particular to a swing mechanism for a lifting machine, which comprises a fixed column, a swing column, a connecting plate, a driving motor and a gear disc; a fixed column and a rotary column are arranged along the vertical direction, and the top of the fixed column is rotationally connected with the bottom of the rotary column; the bottom of gyration post is fixed to set up the connecting plate, and fixed driving motor that sets up on the connecting plate, driving motor's transmission end sets up down, at the fixed gear dish that sets up in the top of fixed column, and the gear dish sets up along the horizontal direction, and driving motor's transmission end passes through chain drive with the gear dish and is connected. The rotary structure is stable in structure and low in cost, and is favorable for popularization and use in low-cost and low-precision hoisting application scenes.

Description

Swing mechanism for crane

Technical Field

The utility model relates to a lifting machine field, concretely relates to rotation mechanism for lifting machine's technical field of structure.

Background

The lifting machine is used as a convenient material lifting and conveying machine, so that labor can be greatly saved, and the application is extremely wide.

In the existing machining operation process, materials are often conveyed only in a fixed operation range, the existing rotary crane is relatively complex in structure and relatively high in corresponding precision, but the cost is increased due to the fact that the existing rotary crane does not need a very high scene corresponding to the operation precision, and the existing rotary crane is not beneficial to popularization and application of the crane.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotation mechanism for hoist, stable in structure, the cost is lower, is favorable to hoisting at low cost, low accuracy and uses widely in the application scene.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the swing mechanism for the crane comprises a fixed column, a swing column, a connecting plate, a driving motor and a gear disc; a fixed column and a rotary column are arranged along the vertical direction, and the top of the fixed column is rotationally connected with the bottom of the rotary column; the bottom of gyration post is fixed to be set up the connecting plate, fixedly on the connecting plate set up driving motor, and driving motor's transmission end sets up down, at the fixed gear dish that sets up in the top of fixed column, and the gear dish sets up along the horizontal direction, and driving motor's transmission end passes through chain drive with the gear dish and is connected.

Furthermore, a position sensor is arranged below the connecting plate, and a limiting block matched with the position sensor is arranged at the top of the fixing column.

Furthermore, an indicating rod is arranged below the connecting plate, and a position sensor matched with the indicating rod for working is arranged at the top of the fixing column.

Furthermore, a connecting disc is fixedly arranged on the fixing column and below the gear disc, and a plurality of threaded connecting holes used for fixing the position sensor are formed in the connecting disc.

And furthermore, a connecting disc is fixedly arranged on the fixed column and above the gear disc, and a plurality of threaded connecting holes for fixing the limiting block are arranged on the connecting disc.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the rotary structure is stable in structure and low in cost, and is favorable for popularization and use in low-cost and low-precision hoisting application scenes.

2. The rotary limiting structure with two modes is arranged, so that corresponding adjustment can be conveniently carried out according to actual use requirements.

3. The connection disc with the adjustable position is arranged, so that the adaptability of the rotary structure can be improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

In the figure: 1-fixing the column; 2-a rotary column; 3-connecting the plates; 4-driving the motor; 6-a gear disc; 7-an indicator stem; 8-a position sensor; 9-a limiting block; 10-connecting disc.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

as shown in fig. 1-2, the swing mechanism for the crane comprises a fixed column 1, a swing column 2, a connecting plate 3, a driving motor 4 and a gear plate 6; a fixed column 1 and a rotary column 2 are arranged along the vertical direction, and the top of the fixed column 1 is rotationally connected with the bottom of the rotary column 2; fixed connecting plate 3 that sets up in the bottom of gyration post 2, the fixed driving motor 4 that sets up on connecting plate 3, driving motor 4's transmission end sets up down, at the fixed gear dish 6 that sets up in the top of fixed column 1, and gear dish 6 sets up along the horizontal direction, and driving motor 4's transmission end passes through chain drive with gear dish 6 and is connected. The fixed column 1 is rotatably connected with the rotary column 2 through a turntable bearing.

When the crane works, the fixed column 1 is fixedly connected with the ground through the base, when a boom hook of the crane needs to rotate for operation, an operator controls the driving motor 4 to rotate in the forward direction, the gear at the transmission end of the driving motor 4 drives the chain to rotate, the other end of the chain is meshed with the gear disc 6, under the condition that the gear disc 6 is not fixed, the driving motor 4 can rotate by the axis of the fixed column 1 under the reaction force of the chain wheel and the chain, so that the rotary column 2 is driven to rotate, the rotation of the boom hook is realized, and after the boom hook is moved to a proper position, the driving motor 4 is controlled to stop operation; when the lifting hook needs to rotate reversely, the driving motor 4 is controlled to rotate reversely, so that the rotation operation of the lifting hook can be realized, the rotation operation of the lifting hook is realized through the structure, the structure is stable, the cost is reduced, and the lifting hook is favorable for being popularized and used in low-cost and low-precision lifting application scenes.

Example 2:

as shown in fig. 1 to 2, the present embodiment optimizes the automatic limit structure for the above-described embodiment.

In the slewing mechanism for the crane, a position sensor 8 is arranged below the connecting plate 3, and a limiting block 9 matched with the position sensor 8 for working is arranged at the top of the fixed column 1. The position sensor 8 can be a travel switch, when the driving motor 4 drives the rotary column 2 to rotate, and when the position sensor 8 contacts the limiting block 9, the travel switch controls (or the position sensor 8 is electrically connected with a corresponding single chip microcomputer controller, and then the single chip microcomputer controller controls the driving motor to operate) the driving motor 2 electrically connected with the travel switch to stop operation, so that the suspension arm lifting hook can stop rotating in time, and the control operation of the rotary angle can be realized.

Preferably, two sets of position sensors 8 and a limiting block 9 can be correspondingly arranged, so that the forward rotation position and the reverse rotation position of the suspension arm lifting hook can be automatically stopped, and the using effect of the slewing mechanism is improved.

Example 3:

as shown in fig. 1 to 2, the present embodiment optimizes the structure of automatic position limitation for the above-described embodiment.

In the slewing mechanism for the crane, an indicating rod 7 is arranged below the connecting plate 3, and a position sensor 8 matched with the indicating rod 7 to work is arranged at the top of the fixed column 1. The position sensor 8 can be a travel switch, when the driving motor 4 drives the rotary column 2 to rotate, and the indicating rod 7 is in contact with the position sensor 8, the travel switch controls the driving motor 2 electrically connected with the travel switch to stop operation, so that the suspension arm lifting hook can stop rotating in time, and the control operation of the rotary angle is realized.

Preferably, two sets of position sensors 8 and indicator bars 7 can be correspondingly arranged, so that the forward rotation and reverse rotation positions of the suspension arm lifting hook can be automatically stopped, and the use effect of the slewing mechanism is improved.

Example 4:

as shown in fig. 1-2, the present embodiment optimizes the limit adjusting structure for the above embodiment.

In the slewing mechanism for the crane, a connecting disc 10 is fixedly arranged on the fixed column 1 and below the gear disc 6, and a plurality of threaded connecting holes for fixing the position sensor 8 are arranged on the connecting disc 10. The bottom of the position sensor 8 is a threaded rod which is directly in threaded connection with a threaded connection hole in the connection disc 10, so that the position sensor is convenient to disassemble and assemble; and a plurality of threaded connection holes are arranged, so that the position of the position sensor 8 can be adjusted correspondingly according to the requirement of the operation range, and the adaptability of the slewing mechanism is improved.

Example 5:

as shown in fig. 1 to 2, the present embodiment optimizes the limit adjusting structure for the above-described embodiment.

In the slewing mechanism for the crane, a connecting disc 10 is fixedly arranged on the fixed column 1 and above the gear disc 6, and a plurality of threaded connecting holes for fixing the limiting block 9 are arranged on the connecting disc 10. The bottom of the limiting block 9 is a threaded rod which is directly in threaded connection with a threaded connection hole in the connection disc 10, so that the limiting block is convenient to disassemble and assemble; and a plurality of threaded connecting holes are arranged, so that the position of the limit block 9 can be conveniently adjusted correspondingly according to the requirement of the operation range, and the adaptability of the slewing mechanism is improved

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. Slewing mechanism for hoist, its characterized in that: comprises a fixed column (1), a rotary column (2), a connecting plate (3), a driving motor (4) and a gear disc (6); a fixed column (1) and a rotary column (2) are arranged along the vertical direction, and the top of the fixed column (1) is rotatably connected with the bottom of the rotary column (2); the rotary column is characterized in that a connecting plate (3) is fixedly arranged at the bottom of a rotary column (2), a driving motor (4) is fixedly arranged on the connecting plate (3), a transmission end of the driving motor (4) is arranged downwards, a gear disc (6) is fixedly arranged at the top of the fixed column (1), the gear disc (6) is arranged along the horizontal direction, the transmission end of the driving motor (2) is connected with the gear disc (6) through chain transmission, a position sensor (8) is arranged below the connecting plate (3), a limiting block (9) working in cooperation with the position sensor (8) is arranged at the top of the fixed column (1), an indicating rod (7) is arranged below the connecting plate (3), and a position sensor (8) working in cooperation with the indicating rod (7) is arranged at the top of the fixed column (1).

2. The slewing mechanism for cranes according to claim 1, wherein: and a connecting disc (10) is fixedly arranged on the fixed column (1) and below the gear disc (6), and a plurality of threaded connecting holes for fixing the position sensor (8) are arranged on the connecting disc (10).

3. The slewing mechanism for cranes as claimed in claim 2, wherein: and a connecting disc (10) is fixedly arranged on the fixed column (1) and above the gear disc (6), and a plurality of threaded connecting holes for fixing the limiting block (9) are arranged on the connecting disc (10).