Rotary bucket assembly for excavator

Abstract

The utility model relates to the technical field of excavators, and discloses a rotary bucket assembly for an excavator, which comprises a mounting seat, a turntable is rotatably connected to the upper part of the inner side of the mounting seat, a first gear is fixedly connected to the lower middle part of the turntable, a motor is fixedly connected to the left side of the bottom in the mounting seat, and the output end of the motor is fixedly connected with a rotating shaft. A second gear is fixedly connected to the outer side of the rotating shaft, a locking assembly is arranged on the left front side of the bottom in the mounting base, a bucket rod is fixedly connected to the upper portion of the rotating disc, a bucket body is fixedly connected to the end, away from the rotating disc, of the bucket rod, and a mounting assembly is arranged in the bucket body. According to the rotary excavator bucket assembly for the excavator, through cooperation of the air cylinder, the mounting plate, the first limiting block, the second limiting block and other structures, the rotary excavator bucket assembly for the excavator can be locked after the excavating angle of the excavator is adjusted, and the situation that the rotary disc rotates in the excavating process, and the excavating efficiency is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to a rotary bucket assembly for excavators. Background Art

[0002] An excavator is a heavy-duty engineering machine, usually used for digging, excavation, earth moving, rock crushing and other engineering operations. It is widely used in construction, infrastructure construction, mining, civil engineering, agriculture and forestry. The rotary bucket assembly for the excavator is one of the important parts of the excavator. It is used to connect the arm and dipper of the excavator and realize the rotation and tilting functions of the excavator bucket.

[0003] In the prior art, the rotary bucket assembly for an excavator often cannot be locked after adjusting the excavation angle of the excavator, causing the turntable to rotate during the excavation process, affecting the excavation efficiency. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a rotary bucket assembly for an excavator, aiming to improve the problem in the prior art that the rotary bucket assembly for an excavator often cannot be locked after adjusting the excavation angle of the excavator, resulting in rotation of the turntable during the excavation process, affecting the excavation efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rotating bucket assembly for an excavator includes a mounting seat, a turntable is rotatably connected to the upper inner part of the mounting seat, a first gear is fixedly connected to the lower middle part of the turntable, a motor is fixedly connected to the left side of the bottom inner part of the mounting seat, a rotating shaft is fixedly connected to the output end of the motor, a second gear is fixedly connected to the outer side of the rotating shaft, a locking assembly is provided on the left front side of the bottom inner part of the mounting seat, a dipper arm is fixedly connected to the upper part of the turntable, a bucket body is fixedly connected to the end of the dipper arm away from the turntable, and a mounting assembly is provided inside the bucket body.

[0006] As a further description of the above technical solution:

[0007] The locking assembly includes a cylinder, a mounting plate, a first limit block and a second limit block. The cylinder is fixedly connected to the left front side of the bottom of the mounting seat, the mounting plate is fixedly connected to the output end of the cylinder, the first limit block is fixedly connected to the right side of the upper part of the mounting plate, and the second limit block is fixedly connected to the left side of the upper part of the mounting plate.

[0008] As a further description of the above technical solution:

[0009] The mounting assembly includes a bucket tooth, a first bolt and a second bolt. The bucket tooth is slidably connected to the inner side of the bucket body. The first bolt is threadedly connected to the left and right sides of the bucket body. The second bolt is evenly threadedly connected to the lower part of the bucket body.

[0010] As a further description of the above technical solution:

[0011] The first gear meshes with the second gear.

[0012] As a further description of the above technical solution:

[0013] The first limiting block is meshed with the first gear, and the second limiting block is meshed with the second gear.

[0014] As a further description of the above technical solution:

[0015] The bucket teeth are fixedly connected to the bucket body through first bolts at the front and rear sides of the bucket teeth, and the lower part of the bucket teeth is fixedly connected to the bucket body through second bolts.

[0016] The utility model has the following beneficial effects:

[0017] In the utility model, through the cooperation between the cylinder, the mounting plate, the first limit block and the second limit block and other structures, the rotary bucket assembly for the excavator can be locked after the excavation angle of the excavator is adjusted, so as to prevent the turntable from rotating during the excavation process and affecting the excavation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of the rotary bucket assembly for an excavator proposed by the utility model;

[0019] Figure 2 for Figure 1 A in the enlarged view;

[0020] Figure 3 The utility model is a schematic diagram of the slide rail of the rotary bucket assembly for the excavator.

[0021] Legend:

[0022] 1. Mounting seat; 2. Dipper arm; 3. Turntable; 4. First gear; 5. Motor; 6. Rotating shaft; 7. Second gear; 8. Cylinder; 9. Mounting plate; 10. First limit block; 11. Second limit block; 12. Bucket body; 13. Bucket teeth; 14. First bolt; 15. Second bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-3 The utility model provides an embodiment: a rotary bucket assembly for an excavator, comprising a mounting seat 1, a turntable 3 is rotatably connected to the upper inner part of the mounting seat 1, a first gear 4 is fixedly connected to the lower middle part of the turntable 3, a motor 5 is fixedly connected to the left inner bottom of the mounting seat 1, a rotating shaft 6 is fixedly connected to the output end of the motor 5, a second gear 7 is fixedly connected to the outer side of the rotating shaft 6, a locking component is arranged on the left front inner bottom of the mounting seat 1, a bucket rod 2 is fixedly connected to the upper part of the turntable 3, and a bucket body 12 is fixedly connected to the end of the bucket rod 2 away from the turntable 3, and the excavator body 12 is fixedly connected to the bucket body 12. An installation assembly is provided inside the bucket body 12, the first gear 4 is meshed with the second gear 7, the locking assembly includes a cylinder 8, a mounting plate 9, a first limit block 10 and a second limit block 11, the cylinder 8 is fixedly connected to the left front side of the bottom of the mounting seat 1, the mounting plate 9 is fixedly connected to the output end of the cylinder 8, the first limit block 10 is fixedly connected to the upper right side of the mounting plate 9, the second limit block 11 is fixedly connected to the upper left side of the mounting plate 9, the first limit block 10 is meshed with the first gear 4, and the second limit block 11 is meshed with the second gear 7.

[0025] When it is necessary to adjust the excavation angle of the excavator, the motor 5 is controlled to start so that the motor 5 runs and drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the second gear 7 to rotate, the second gear 7 rotates and drives the first gear 4 to rotate, the first gear 4 drives the turntable 3 to rotate on the inner side of the upper part of the mounting seat 1, the turntable 3 drives the dipper arm 2 to rotate, the dipper arm 2 drives the bucket body 12 to rotate and adjust the excavation angle, so that the excavation angle of the excavator is easy to adjust, after adjustment, the motor 5 is turned off, and then the starting cylinder 8 is controlled to drive the cylinder 8 to move the mounting plate 9, the mounting plate 9 drives the first limit block 10 and the second limit block 11 to move, so that the first limit block 10 and the second limit block 11 limit the first gear 4 and the second gear 7, so that the rotary bucket assembly of the excavator can be locked after the excavation angle of the excavator is adjusted to prevent the turntable 3 from rotating during the excavation process and affecting the excavation efficiency.

[0026] Reference Figure 1-2 The mounting assembly includes a bucket tooth 13, a first bolt 14 and a second bolt 15. The bucket tooth 13 is slidably connected to the inner side of the bucket body 12. The first bolt 14 is threadedly connected to the left and right sides of the bucket body 12. The second bolt 15 is evenly threadedly connected to the lower part of the bucket body 12. The bucket tooth 13 is fixedly connected to the bucket body 12 through the first bolt 14 on the front and rear sides of the bucket tooth 13, and the lower part of the bucket tooth 13 is fixedly connected to the bucket body 12 through the second bolt 15.

[0027] When the bucket tooth 13 of the excavator needs to be replaced, the bucket tooth 13 and the second bolt 15 are rotated to disengage the bucket tooth 13 from the second bolt 15, and then the bucket tooth 13 is pulled to disengage the bucket tooth 13 from the bucket body 12. When the bucket tooth 13 of the excavator needs to be replaced, the bucket tooth 13 and the second bolt 15 are rotated to disengage the bucket tooth 13 from the second bolt 15, and then the bucket tooth 13 is pulled to disengage the bucket tooth 13 from the bucket body 12, thereby completing the disassembly of the bucket tooth 13 and improving the practicality of the bucket tooth 13.

[0028] Working principle: when it is necessary to adjust the excavation angle of the excavator, the motor 5 is controlled to start so that the motor 5 runs and drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the second gear 7 to rotate, the second gear 7 rotates and drives the first gear 4 to rotate, the first gear 4 drives the turntable 3 to rotate on the inner side of the upper part of the mounting seat 1, the turntable 3 drives the dipper arm 2 to rotate, the dipper arm 2 drives the bucket body 12 to rotate to adjust the excavation angle, after adjustment, the motor 5 is turned off, and then the cylinder 8 is controlled to start so that the cylinder 8 drives the mounting plate 9 to move, the mounting plate 9 drives the first limit block 10 and the second limit block 11 to move, so that the first limit block 10 and the second limit block 11 limit the first gear 4 and the second gear 7, so that the rotary bucket assembly for the excavator can be locked after the excavation angle of the excavator is adjusted to prevent the turntable 3 from rotating during the excavation process and affecting the excavation efficiency.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary bucket assembly for an excavator, comprising a mounting seat (1), characterized in that: A turntable (3) is rotatably connected to the upper inner part of the mounting seat (1), a first gear (4) is fixedly connected to the lower middle part of the turntable (3), a motor (5) is fixedly connected to the left inner bottom part of the mounting seat (1), a rotating shaft (6) is fixedly connected to the output end of the motor (5), a second gear (7) is fixedly connected to the outer side of the rotating shaft (6), a locking assembly is arranged on the left front inner bottom part of the mounting seat (1), a dipper arm (2) is fixedly connected to the upper part of the turntable (3), an end of the dipper arm (2) away from the turntable (3) is fixedly connected to a bucket body (12), and a mounting assembly is arranged inside the bucket body (12).

2. The rotary bucket assembly for an excavator according to claim 1, characterized in that: The locking assembly comprises a cylinder (8), a mounting plate (9), a first limit block (10) and a second limit block (11); the cylinder (8) is fixedly connected to the left front side of the bottom of the mounting seat (1); the mounting plate (9) is fixedly connected to the output end of the cylinder (8); the first limit block (10) is fixedly connected to the right side of the upper part of the mounting plate (9); and the second limit block (11) is fixedly connected to the left side of the upper part of the mounting plate (9).

3. The rotary bucket assembly for an excavator according to claim 1, characterized in that: The mounting assembly comprises a bucket tooth (13), a first bolt (14) and a second bolt (15); the bucket tooth (13) is slidably connected to the inner side of the bucket body (12); the first bolt (14) is threadedly connected to the left and right sides of the bucket body (12); and the second bolt (15) is evenly threadedly connected to the lower part of the bucket body (12).

4. The rotary bucket assembly for an excavator according to claim 1, characterized in that: The first gear (4) is meshed with the second gear (7).

5. The rotary bucket assembly for an excavator according to claim 2, characterized in that: The first limiting block (10) is meshed with the first gear (4), and the second limiting block (11) is meshed with the second gear (7).

6. The rotary bucket assembly for an excavator according to claim 3, characterized in that: The bucket tooth (13) is fixedly connected to the bucket body (12) via first bolts (14) at the front and rear sides of the bucket tooth (13), and the lower part of the bucket tooth (13) is fixedly connected to the bucket body (12) via second bolts (15).

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