CN220866973U

CN220866973U - Turntable for crane

Info

Publication number: CN220866973U
Application number: CN202322517434.6U
Authority: CN
Inventors: 刘洋; 李勇波; 吕占良
Original assignee: Henan Dongfang Special Vehicle Manufacturing Co ltd
Current assignee: Henan Dongfang Special Vehicle Manufacturing Co ltd
Priority date: 2023-09-16
Filing date: 2023-09-16
Publication date: 2024-04-30
Anticipated expiration: 2033-09-16

Abstract

The utility model discloses a turntable for a crane, which belongs to the technical field of cranes and comprises a chassis, wherein the top of the chassis is fixedly connected with a gear housing, the bottom of the gear housing is fixedly provided with a first bearing, the first bearing is rotationally connected with a first rotating shaft, the surface of the first rotating shaft is fixedly connected with a driven gear, the top of the chassis is fixedly provided with three driving motors, the driving gears and the driven gears are driven to rotate through the operation of the driving motors, the first rotating shaft can drive a turntable bottom plate to rotate, the purpose of flexibly adjusting the using direction of the device is realized, the reinforcing and fixing effect of a side panel can be realized through the arrangement of a reinforcing rib, the effect of reinforcing a side panel can be realized, and the effect of stabilizing the structure of the device can be realized through the arrangement of a first box structure and a second box structure.

Description

Turntable for crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a turntable for a crane.

Background

At present, in the main body structure of the crane, the turntable of the crane has the function of supporting up and down, but most of the existing turntable used only has a single installation structure, and can not rotate the turntable in the using process, so that the defect of poor flexibility in use is overcome, and meanwhile, the turntable has no supporting and sliding effect on the turntable, so that the problems of instability and unsafe support of the turntable caused by overweight are extremely easy to occur.

Disclosure of utility model

(1) Technical problem to be solved

Aiming at the defects in the prior art, the utility model aims to provide a turntable for a crane, which has the characteristics of stable rotation of the turntable and convenient installation structure.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a turntable for a crane, which comprises a chassis, wherein the top of the chassis is fixedly connected with a gear housing, the bottom of the gear housing is fixedly provided with a first bearing, one side of the first bearing is rotationally connected with a first rotating shaft, the surface of the first rotating shaft is fixedly connected with a driven gear, the top of the chassis is fixedly provided with three driving motors, the output shafts of the driving motors are fixedly connected with driving gears, the surface of the gear housing is provided with three grooves, the driven gear is positioned in the grooves, the surfaces of the driving gears are meshed with the driven gear, the top of the first rotating shaft is fixedly connected with a turntable bottom plate, the two sides of the top of the turntable bottom plate are fixedly connected with two side plates, one side of the side plates is fixedly connected with a reinforcing rib, the back of the side plates is fixedly connected with a first box structure, the top of the first box structure is fixedly connected with a second box structure, the surfaces of the first box structure and the second box structure are fixedly connected with the driven gear, the two sides of the second box structure are fixedly connected with the bottom of the electric turntable bottom plate, and the bottom of the electric turntable bottom plate is fixedly connected with the second bearing bottom plate.

When the turntable for the crane is used, the driving gear and the driven gear are driven to be meshed to rotate through the driving motor, the first rotating shaft can drive the turntable bottom plate to rotate, the purpose of flexibly adjusting the use direction of the device is achieved, the reinforcing rib is arranged, the reinforcing fixing effect on the side panel is achieved, and therefore the effect of increasing the integral strength of the device is achieved.

Further, a cover plate is fixedly connected to the top of the gear housing.

Further, the top of the turntable bottom plate is provided with a wire netting.

Further, the top of the side panel is fixedly provided with an armrest.

Further, a plurality of warning lamps are fixedly arranged on the side face of the reinforcing rib.

Further, one side of each of the two side panels is provided with a mounting hole.

Further, the pulley is fixedly arranged at the bottom of the second rotating shaft.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. The driving gear is driven to rotate in a meshed mode through the driving motor, the first rotating shaft can drive the turntable bottom plate to rotate, the purpose of flexibly adjusting the using direction of the device is achieved, the reinforcing rib is arranged, the reinforcing fixing effect on the side panel is achieved, the overall strength of the device is improved, the first box structure and the second box structure are arranged, the effect of reinforcing the side panel is achieved, and the effect of stabilizing the structure of the device is improved;

2. The pulley is driven to move downwards to contact with the ground through the electric push rod, the purpose of supporting the bottom of the turntable bottom plate can be achieved, the purpose of stabilizing position adjustment by driving the turntable bottom plate through cooperation of the pulley with the first rotating shaft is achieved, the pulley can rotate in multiple directions through the rotation action of the second rotating shaft in the second bearing, and the purpose of driving the turntable bottom plate to rotate through cooperation of the first rotating shaft is achieved;

3. through setting up the apron, can reach the purpose to driven gear's protection, through setting up the wire netting, can reach to have ponding emission purpose to the platform, through setting up the handrail, can reach and make things convenient for constructor to carry out hand purpose when erection equipment, through setting up the warning light, can reach the effect of warning personnel around during the night construction, through setting up the mounting hole, can realize the purpose of carrying out connection installation use with external equipment, through setting up the pulley, can realize the effect of stability and support when revolving stage rotation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model in elevation;

FIG. 2 is a schematic diagram of the structure of the present utility model in front section;

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

The marks in the drawings are:

1. A chassis; 2. a gear housing; 3. a driving motor; 4. a drive gear; 5. a cover plate; 6. a first rotating shaft; 7. a turntable bottom plate; 8. a side panel; 9. reinforcing ribs; 10. a first box structure; 11. a second box structure; 12. a mounting hole; 13. a mounting frame; 14. a fixing plate; 15. a warning light; 16. an electric push rod; 17. a second bearing; 18. a second rotating shaft; 19. a pulley; 20. a groove; 21. a first bearing; 22. a driven gear; 23. a wire netting; 24. an armrest.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1-3, the present utility model provides a technical solution: the turntable for a crane comprises a chassis 1, wherein the top of the chassis 1 is fixedly connected with a gear housing 2, the bottom of the gear housing 2 is fixedly provided with a first bearing 21, the first bearing 21 is rotationally connected with a first rotating shaft 6, the surface of the first rotating shaft 6 is fixedly connected with a driven gear 22, the top of the chassis 1 is fixedly provided with three driving motors 3, the driving motors 3 work to drive a driving gear 4 to be meshed with the driven gear 22 for rotation, the first rotating shaft 6 can drive a turntable bottom plate 7 to rotate, the purpose of flexibly adjusting the using direction of the device is realized, the driving gears 4 are fixedly connected on the output shafts of the three driving motors 3, the surface of the gear housing 2 is provided with three grooves 20, the driven gear 22 is positioned in the grooves 20, the surfaces of the three driving gears 4 are meshed with the driven gear 22, the top of the first rotating shaft 6 is fixedly connected with the turntable bottom plate 7, two side panels 8 are fixedly connected to two sides of the top of the turntable bottom plate 7, reinforcing ribs 9 are fixedly connected to one sides of the two side panels 8, reinforcing and fixing functions of the side panels 8 can be achieved by arranging the reinforcing ribs 9, so that the overall strength of the device is improved, fixing plates 14 are fixedly connected to the backs of the two side panels 8, a first box structure 10 is fixedly connected to the top of the turntable bottom plate 7, a second box structure 11 is fixedly connected to the top of the first box structure 10, the function of reinforcing the side panels 8 can be achieved by arranging the first box structure 10 and the second box structure 11, the effect of improving the stability of the device is achieved, two sides of the first box structure 10 and the second box structure 11 are fixedly connected with the side panels 8, a mounting frame 13 is fixedly connected to the top of the second box structure 11, an electric push rod 16 is fixedly mounted at the bottom of the turntable bottom plate 7, through electric putter 16 work, drive pulley 19 downwardly moving and ground contact, can reach the purpose of supporting the revolving stage bottom plate 7 bottom, realize the purpose that cooperation first pivot 6 drove revolving stage bottom plate 7 and carry out stable position control with the help of pulley 19, electric putter 16's bottom fixed mounting has second pivot 17, with the help of the rotation effect of second pivot 18 in second pivot 17, can make pulley 19 diversified rotation, reach cooperation first pivot 6 drive revolving stage bottom plate 7 pivoted purpose, the inside rotation of second pivot 17 is connected with second pivot 18.

Specifically, the top fixedly connected with apron 5 of gear housing 2, the top of revolving stage bottom plate 7 is provided with wire netting 23, and side board 8 top fixed mounting has handrail 24.

Through adopting above-mentioned technical scheme, through setting up apron 5, can reach the purpose to driven gear 22's protection, through setting up wire netting 23, can reach to have ponding emission purpose to the platform, through setting up handrail 24, can reach and make things convenient for constructor to carry out the hand purpose when erection equipment.

Specifically, a plurality of warning lamps 15 are fixedly installed on the side surfaces of the reinforcing ribs 9, mounting holes 12 are formed in one side of each of the two side panels 8, and pulleys 19 are fixedly installed at the bottoms of the second rotating shafts 18.

Through adopting above-mentioned technical scheme, through setting up warning light 15, can reach the effect of warning personnel around during the construction night, through setting up mounting hole 12, can realize carrying out the purpose of installing the use with external equipment, through setting up pulley 19, can realize the effect of stability and support when revolving stage rotation.

The working principle of the utility model is as follows: when the device is needed, firstly, an installer can move the device to a using position through the armrest 24, then connect and install the device with an external mechanical arm through the mounting hole 12 and the mounting rack 13, then in the using process, firstly, the electric push rod 16 is controlled to work through the external controller, the pulley 19 is pushed to move downwards to be in contact with the ground, then the driving motor 3 is controlled to work by the external controller, the three driving gears 4 are driven to be meshed with the driven gears 22 to rotate, the first rotating shaft 6 drives the turntable bottom plate 7 to rotate to a using position under the rotating fit of the pulley 19, in the using process, water flows to the surface of the turntable bottom plate 7, water is drained by the aid of the wire netting 23, the using state is guaranteed, meanwhile, under the condition that light is darker, the warning lamp 15 is controlled to work through the external controller, the construction position is marked and warned, the warning effect is increased, and the construction safety is guaranteed.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. Turntable for a crane, comprising a chassis (1), characterized in that: the top fixedly connected with gear housing (2) of chassis (1), the bottom fixed mounting of gear housing (2) has first bearing (21), the top fixedly connected with first pivot (6) of first bearing (21), the fixed surface of first pivot (6) is connected with driven gear (22), the top of chassis (1) is all fixedly connected with three driving motor (3), and is three all fixedly connected with driving gear (4) on driving motor's (3) output shaft, three recess (20) have been seted up on gear housing (2) surface, driven gear (22) are located recess (20), and is three the surface of driving gear (4) meshes with driven gear (22), the top fixedly connected with revolving stage bottom plate (7) of first pivot (6), the top both sides of revolving stage bottom plate (7) are all fixedly connected with two side board (8) are all fixedly connected with strengthening rib (9), two side board (8) are fixedly connected with back side board (14), first box (10) top fixedly connected with first base plate (10), the utility model discloses a rotary table, including first box structure (10) and second box structure (11), side board (8) fixed connection, the top fixedly connected with mounting bracket (13) of second box structure (11), the bottom fixed mounting of revolving stage bottom plate (7) has electric putter (16), the bottom fixed mounting of electric putter (16) has second bearing (17), the inside rotation of second bearing (17) is connected with second pivot (18).

2. A turret for a crane according to claim 1, wherein: the top of the gear housing (2) is fixedly connected with a cover plate (5).

3. A turret for a crane according to claim 1, wherein: the top of the turntable bottom plate (7) is provided with an iron wire net (23).

4. A turret for a crane according to claim 1, wherein: an armrest (24) is fixedly arranged at the top of the side panel (8).

5. A turret for a crane according to claim 1, wherein: a plurality of warning lamps (15) are fixedly arranged on the side face of the reinforcing rib (9).

6. A turret for a crane according to claim 1, wherein: one side of each side panel (8) is provided with a mounting hole (12).

7. A turret for a crane according to claim 1, wherein: the pulley (19) is fixedly arranged at the bottom of the second rotating shaft (18).