Working bucket rotating device of overhead working truck

Abstract

A working bucket rotating device of an overhead working truck comprises an overhead working truck supporting arm, a connector is connected to the front end of the overhead working truck supporting arm, a rotating shaft used for driving a working bucket to rotate is arranged at the front end of the connector, a motor is arranged at the top of the connector, and the motor drives the rotating shaft to rotate through a reduction gearbox. According to the working bucket rotating device of the overhead working truck, a gear rotating structure is adopted to drive the working bucket to rotate, the adjusting precision is high, the rotating angle range of the working bucket is large, and the rotating angle of the working bucket can be efficiently and conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial work, in particular to a working bucket rotating device for an aerial work vehicle. Background Art

[0002] Most of the existing aerial work vehicles have buckets that cannot rotate, and the angle of the bucket can only be adjusted by rotating the arm, which causes the problem that the bucket cannot be flexibly adjusted during aerial work. Although some buckets are in the form of rotational connection and use a push rod to adjust the angle of the bucket, such as an aerial work vehicle with double buckets disclosed in the authorization announcement number CN211847071U, the adjustment is not flexible enough and the rotation angle of the bucket is limited. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a working bucket rotating device for an aerial work vehicle, which can adjust the direction of the working bucket at a large angle.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a working bucket rotating device for an aerial work vehicle, including an aerial work vehicle support arm, a connecting head is connected to the front end of the aerial work vehicle support arm, a rotating shaft for driving the working bucket to rotate is provided at the front end of the connecting head, and a motor is provided at the top of the connecting head, and the motor drives the rotating shaft to rotate through a reduction gear box.

[0005] Preferably, the reduction gearbox includes a first transmission rod, a second transmission rod and a third transmission rod, the output shaft of the motor is connected to the first transmission rod shaft, a first gear is provided on the first transmission rod, the first gear is meshed with the second gear on the second transmission rod, a third gear is also provided on the second transmission rod, the third gear is meshed with the fourth gear on the third transmission rod, and the third transmission rod is connected to the rotating shaft.

[0006] Preferably, side plates for fixing the reduction gearbox are provided on both sides of the connecting head.

[0007] Preferably, a rotating shaft sleeve is provided at the end of the connecting head, the rotating shaft sleeve is arranged inside the rotating shaft sleeve, and a connecting block is sleeved on the outer side of the rotating shaft, and the connecting block is connected to the working bucket.

[0008] Preferably, a limiting protrusion is provided on the side wall of the rotating shaft, and a limiting groove matching with the limiting protrusion is provided on the inner side of the connecting block.

[0009] Preferably, a top plate is provided on the top of the connector, and the motor is arranged on the top plate.

[0010] The utility model provides a working bucket rotating device for an aerial work vehicle, which adopts a gear rotating structure to drive the working bucket to rotate, has high adjustment accuracy, a large rotation angle range of the working bucket, and can efficiently and conveniently adjust the rotation angle of the working bucket. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the reduction gearbox of the utility model;

[0014] Figure 3 This is a schematic diagram of the connection structure of the rotating shaft of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the utility model after the working bucket rotates;

[0016] Figure 5 It is a structural schematic diagram of the aerial work vehicle of the utility model. DETAILED DESCRIPTION

[0017] like Figure 1-2 As shown, a working bucket rotating device for an aerial work vehicle comprises an aerial work vehicle support arm 1, a connecting head 2 is connected to the front end of the aerial work vehicle support arm 1, a rotating shaft 4 for driving the working bucket 3 to rotate is provided at the front end of the connecting head 2, a motor 5 is provided at the top of the connecting head 2, and the motor 5 drives the rotating shaft 4 to rotate through a reduction box 6.

[0018] Preferably, the reduction box 6 includes a first transmission rod 7, a second transmission rod 8 and a third transmission rod 9, the output shaft of the motor 5 is axially connected to the first transmission rod 7, a first gear 10 is provided on the first transmission rod 7, the first gear 10 is meshed with a second gear 11 on the second transmission rod 8, a third gear 12 is also provided on the second transmission rod 8, the third gear 12 is meshed with a fourth gear 13 on the third transmission rod 9, and the third transmission rod 9 is axially connected to the rotating shaft 4. The reduction box is provided to increase the torque, ensure the rotational force, and can more accurately control the rotation angle.

[0019] Preferably, side plates 14 for fixing the reduction gearbox 6 are provided on both sides of the connecting head 2 .

[0020] Preferably, a shaft sleeve 15 is provided at the end of the connector 2 , the shaft 4 is sleeved in the shaft sleeve 15 , a connecting block 16 is sleeved on the outer side of the shaft 4 , and the connecting block 16 is connected to the working bucket 3 .

[0021] Preferably, a limiting protrusion 17 is provided on the side wall of the rotating shaft 4 , and a limiting groove 18 matching with the limiting protrusion 17 is provided on the inner side of the connecting block 16 .

[0022] Preferably, a top plate 19 is provided on the top of the connector 2 , and the motor 5 is arranged on the top plate 19 .

[0023] like Figure 4 As shown in the figure, it is a schematic diagram of the structure after the working bucket 3 rotates. The working bucket in this device can be rotated 90 degrees on both sides of the middle position for adjustment. The adjustment range is large, and the use of gears and speed reduction mechanisms makes the angle adjustment more precise. Figure 5 Shown is an aerial work vehicle using the device.

[0024] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A working bucket rotating device for an aerial work vehicle, comprising an aerial work vehicle support arm (1), a connecting head (2) being connected to the front end of the aerial work vehicle support arm (1), characterized in that: A rotating shaft (4) for driving the working bucket (3) to rotate is provided at the front end of the connecting head (2), and a motor (5) is provided at the top of the connecting head (2). The motor (5) drives the rotating shaft (4) to rotate via a reduction gearbox (6).

2. According to claim 1, a working bucket rotating device for an aerial work vehicle is characterized in that: The reduction box (6) comprises a first transmission rod (7), a second transmission rod (8) and a third transmission rod (9); the output shaft of the motor (5) is connected to the shaft of the first transmission rod (7); a first gear (10) is provided on the first transmission rod (7); the first gear (10) is meshed with a second gear (11) on the second transmission rod (8); a third gear (12) is provided on the second transmission rod (8); the third gear (12) is meshed with a fourth gear (13) on the third transmission rod (9); and the third transmission rod (9) is connected to the shaft of the rotating shaft (4).

3. A working bucket rotating device for an aerial work vehicle according to claim 1 or 2, characterized in that: Side plates (14) for fixing the reduction gearbox (6) are provided on both sides of the connecting head (2).

4. The aerial work vehicle working bucket rotating device according to claim 1, characterized in that: A rotating shaft sleeve (15) is provided at the end of the connector (2), the rotating shaft (4) is sleeved in the rotating shaft sleeve (15), a connecting block (16) is sleeved on the outer side of the rotating shaft (4), and the connecting block (16) is connected to the working bucket (3).

5. The working bucket rotating device for an aerial work vehicle according to claim 4, characterized in that: A limiting protrusion (17) is provided on the side wall of the rotating shaft (4), and a limiting groove (18) matching with the limiting protrusion (17) is provided on the inner side of the connecting block (16).

6. The aerial work vehicle working bucket rotating device according to claim 1, characterized in that: A top plate (19) is provided on the top of the connector (2), and the motor (5) is arranged on the top plate (19).

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