Rolling shaft structure of screening and crushing bucket

Abstract

The rolling shaft structure of the screening and crushing bucket comprises a main rolling shaft of a hollow structure, a connecting shaft is connected in the main rolling shaft in a clamped mode, and the two sides of the connecting shaft are connected with a bucket body through a first locking structure and a second locking structure. Positioning clamping blocks are annularly arranged on the outer surface of the connecting shaft at equal intervals, the positioning clamping blocks are clamped in positioning clamping grooves, and the positioning clamping grooves are annularly formed in the hollow cavity of the main rolling shaft; the second locking structure comprises a first right flange plate and a second right flange plate, a first right ball bearing is arranged in the first right flange plate, a second right ball bearing is arranged in the second right flange plate, a first right key block is arranged in the first right ball bearing, and a second right key block is arranged in the second right ball bearing; the connecting shaft can be assembled and connected, mounting operation of the connecting shaft and the bucket body is convenient and fast, meanwhile, dismounting is convenient and fast, the fixing firmness of the connecting shaft is improved, and meanwhile the coaxiality of the connecting shaft during rotation is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering equipment, and in particular relates to a roller structure of a screening and crushing bucket. Background Art

[0002] For the remediation projects of soil contaminated by construction waste and pebbles, existing soil remediation equipment uses excavators, farming equipment, fixed vibrating screening equipment, and screening and crushing buckets to screen and mix the agents. The core component used for screening in the screening and crushing bucket is the rollers arranged in an array.

[0003] Currently, most rollers are integrated structures, which are installed in screening and crushing buckets. The overall installation operation is inconvenient, and the disassembly is cumbersome. It is impossible to disassemble it individually, which is inconvenient to maintain, and the overall connection with the screening and crushing bucket is not stable. For this reason, we propose a roller structure for a screening and crushing bucket. Utility Model Content

[0004] The purpose of the utility model is to provide a roller structure for a screening and crushing bucket to solve the problem that the current rollers proposed in the above background technology are mostly integrated structures, which are inconvenient to install the screening and crushing bucket, and the overall installation operation is cumbersome, and the disassembly is cumbersome, it cannot be disassembled individually, it is inconvenient to maintain, and the overall connection with the screening and crushing bucket is not stable.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a roller structure for a screening and crushing bucket, comprising a main roller with a hollow structure, a connecting shaft clamped in the main roller, and two sides of the connecting shaft connected to the bucket body through a first locking structure and a second locking structure;

[0006] Positioning blocks are arranged in an annular shape and at equal intervals on the outer surface of the connecting shaft, and the positioning blocks are engaged in positioning slots, and the positioning slots are arranged in an annular shape in the hollow cavity of the main roller;

[0007] The second locking structure includes a first right flange and a second right flange, a first right ball bearing is arranged in the first right flange, a second right ball bearing is arranged in the second right flange, a first right key block is arranged in the first right ball bearing, and a second right key block is arranged in the second right ball bearing, the first right key block and the second right key block are clamped in the right key slot, and the right key slot is arranged on one side of the connecting shaft.

[0008] Preferably, the first right flange and the second right flange are located on both sides of the bucket body and are fixedly connected by a right locking bolt.

[0009] Place the first right flange and the second right flange on both sides of the bucket body, then pass the connecting shaft through the first right flange and the second right flange in sequence, and fix the first right flange and the second right flange to improve the stability of the connection between the right side of the connecting shaft and the bucket body.

[0010] Preferably, the first locking structure includes a left flange, which is arranged on the other side of the bucket body and is connected to the bucket body via a first left locking bolt.

[0011] Pass the connecting shaft through the left flange, and then lock the left flange and the other side of the bucket body.

[0012] Preferably, a first left ball bearing is provided in the left flange, a first left key block is provided in the first left ball bearing, the first left key block is clamped in the left key slot, and the left key slot is provided on the other side of the connecting shaft.

[0013] The first left key block on the first left ball bearing is engaged with the left key slot, thereby ensuring the stability of the connecting shaft during rotation.

[0014] Preferably, a locking sleeve is provided on one side of the left flange, a second left locking bolt is provided on the locking sleeve, one end of the second left locking bolt passes through the left flange and is connected to the bucket body.

[0015] By locking and fixing the locking sleeve and the bucket body, the left flange can be locked and fixed for the second time, and the overall installation of the connecting shaft is firm.

[0016] Preferably, a second left ball bearing is provided in the locking sleeve, a second left key block is provided in the second left ball bearing, and the second left key block is clamped in the left key slot.

[0017] The second left key block is clamped with the left key slot, so that the connecting shaft can rotate in the locking sleeve.

[0018] Preferably, screening blocks are staggeredly arranged on the outer surface of the main roller, which can screen stones and sand.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] (1) The utility model changes the traditional roller structure and adopts a split structure, which can be assembled and connected. It is easy to install and operate with the bucket body, and it is also easy to disassemble, which is convenient for later maintenance.

[0021] (2) The utility model is connected to the bucket body through the first locking structure and the second locking structure, which improves the firmness of the connection shaft and ensures the coaxiality of the connection shaft when it rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the split structure of the utility model;

[0023] Figure 2 This is a schematic diagram of a half-section structure of the present utility model;

[0024] Figure 3 This is a schematic diagram of the left side cross-sectional structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the half-section structure of the utility model when it is installed with the bucket body;

[0026] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at A in the middle;

[0027] Figure 6 for Figure 4 Schematic diagram of the enlarged structure at B in the middle;

[0028] In the figure: 1. first locking structure; 2. main roller; 3. screening block; 4. connecting shaft; 5. second locking structure; 6. bucket body; 11. first left key block; 12. left flange; 13. first left ball bearing; 14. left keyway; 15. locking sleeve; 16. second left key block; 17. second left ball bearing; 18. first left locking bolt; 19. second left locking bolt; 41. positioning block; 42. positioning slot; 51. first right flange; 52. second right flange; 53. first right ball bearing; 54. first right key block; 55. right locking bolt; 56. second right key block; 57. right keyway; 58. second right ball bearing. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 3 The utility model provides a technical solution: a roller structure of a screening and crushing bucket, comprising a main roller 2 of a hollow structure, wherein a connecting shaft 4 is clamped in the main roller 2;

[0031] A positioning block 41 is provided on the outer surface of the connecting shaft 4. Specifically, the positioning block 41 can be 4 groups or 6 groups and are evenly arranged on the connecting shaft 4. The positioning block 41 is clamped in the positioning slot 42. The positioning slot 42 is provided in the hollow cavity of the main roller 2. Specifically, the positioning slot 42 corresponds to the positioning block 41, and 4 groups or 6 groups are provided at the same time, and are evenly arranged in a ring shape on the inner wall of the main ball.

[0032] During assembly, first use the lifting equipment to lift the main roller 2 to the installation position in the bucket body 6, and place the first right flange 51 and the second right flange 52 on the inner and outer surfaces of one side of the bucket body 6, pass the connecting shaft 4 through the other side of the bucket body 6, and install the connecting shaft 4 in the main roller 2, and at the same time, insert the positioning block 41 into the positioning slot 42, and at the same time pass the connecting shaft 4 through the bucket body 6 from the other end, and then fix one end of the connecting shaft 4 by the second locking structure 5, and then fix the other end of the connecting shaft 4 by the first locking structure 1. When disassembling, just loosen the first locking structure 1.

[0033] As a specific embodiment of this application, please refer to Figure 1 、 Figure 4 as well as Figure 6 The two sides of the connecting shaft 4 are connected to the bucket body 6 through the first locking structure 1 and the second locking structure 5. The second locking structure 5 includes a first right flange 51 and a second right flange 52. A first right ball bearing 53 is provided in the first right flange 51, and a second right ball bearing 58 is provided in the second right flange 52. A first right key block 54 is provided in the first right ball bearing 53, and a second right key block 56 is provided in the second right ball bearing 58. The first right key block 54 and the second right key block 56 are clamped in the right key groove 57. The right key groove 57 is provided on one side of the connecting shaft 4. The first right flange 51 and the second right flange 52 are located on both sides of the bucket body 6 and are fixedly connected by a right locking bolt 55.

[0034] First, pass the connecting shaft 4 through the main roller 2, then place the first right flange 51 and the second right flange 52 on both sides of the bucket body 6, pass the connecting shaft 4 through the first right flange 51 and the second right flange 52 in sequence, and at the same time, insert the first right key block 54 and the second right key block 56 into the right key groove 57 at the same time, and fix the first right flange 51 and the second right flange 52 with the right locking bolt 55 to improve the stability of the connection between the right side of the connecting shaft 4 and the bucket body 6.

[0035] As a specific embodiment of this application, please refer to Figure 1 、 Figure 4 as well as Figure 5The first locking structure 1 includes a left flange 12, which is arranged on the other side of the bucket body 6. The left flange 12 is connected to the bucket body 6 through a first left locking bolt 18. A first left ball bearing 13 is arranged in the left flange 12, and a first left key block 11 is arranged in the first left ball bearing 13. The first left key block 11 is clamped in the left key groove 14, and the left key groove 14 is arranged on the other side of the connecting shaft 4.

[0036] After the right end of the connecting shaft 4 is fixed by the second locking structure 5, the left flange 12 is sleeved on the connecting shaft 4, and the first left key block 11 on the first left ball bearing 13 is inserted into the left key groove 14. At the same time, the left flange 12 is fitted with the bucket body 6, and the left flange 12 is fixed to the bucket body 6 by tightening with the first left bolt.

[0037] Specifically, a locking sleeve 15 is provided on one side of the left flange 12 , and a second left locking bolt 19 is provided on the locking sleeve 15 . One end of the second left locking bolt 19 passes through the left flange 12 and is connected to the bucket body 6 .

[0038] After the left flange 12 is fixed to the bucket body 6, the locking sleeve 15 is sleeved on the connecting shaft 4, and the locking sleeve 15 is fitted with the left flange 12. The locking sleeve 15 is fitted with the bucket body 6 through the second left locking bolt 19, and the left flange 12 is fixed for the second time.

[0039] Specifically, a second left ball bearing 17 is disposed in the locking sleeve 15 , a second left key block 16 is disposed in the second left ball bearing 17 , and the second left key block 16 is clamped in the left key slot 14 .

[0040] When the locking sleeve 15 is installed, the second left key block 16 is clamped in the left key groove 14 . The second left ball bearing 17 allows the connecting shaft 4 to rotate in the locking sleeve 15 .

[0041] When the main roller 2 needs to be disassembled, the locking sleeve 15 is loosened, the left flange 12 is loosened, and the connecting shaft 4 is pulled out from the main roller 2 .

[0042] By disposing the first right ball bearing 53 , the second right ball bearing 58 , the first left ball bearing 13 and the second left ball bearing 17 , the coaxiality of the connecting shaft 4 during rotation can be ensured.

[0043] Specifically, screening blocks 3 are staggeredly arranged on the outer surface of the main roller 2, which can screen stones and sand.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roller structure for a screening and crushing bucket, characterized by: It comprises a main roller (2) with a hollow structure, a connecting shaft (4) is clamped inside the main roller (2), and both sides of the connecting shaft (4) are connected to the bucket body (6) through a first locking structure (1) and a second locking structure (5); Positioning blocks (41) are arranged in an annular shape and at equal intervals on the outer surface of the connecting shaft (4); the positioning blocks (41) are engaged in positioning slots (42); and the positioning slots (42) are arranged in an annular shape in the hollow cavity of the main roller (2); The second locking structure (5) includes a first right flange (51) and a second right flange (52), wherein a first right ball bearing (53) is arranged in the first right flange (51), and a second right ball bearing (58) is arranged in the second right flange (52), a first right key block (54) is arranged in the first right ball bearing (53), and a second right key block (56) is arranged in the second right ball bearing (58), and the first right key block (54) and the second right key block (56) are clamped in a right key groove (57), and the right key groove (57) is arranged on one side of the connecting shaft (4).

2. The roller structure of a screening and crushing bucket according to claim 1, characterized in that: The first right flange (51) and the second right flange (52) are located on both sides of the bucket body (6) and are fixedly connected by a right locking bolt (55).

3. The roller structure of a screening and crushing bucket according to claim 1, characterized in that: The first locking structure (1) comprises a left flange (12), which is arranged on the other side of the bucket body (6), and the left flange (12) is connected to the bucket body (6) via a first left locking bolt (18).

4. The roller structure of a screening and crushing bucket according to claim 3, characterized in that: A first left ball bearing (13) is arranged in the left flange (12), a first left key block (11) is arranged in the first left ball bearing (13), the first left key block (11) is clamped in a left key groove (14), and the left key groove (14) is arranged on the other side of the connecting shaft (4).

5. The roller structure of a screening and crushing bucket according to claim 3 or 4, characterized in that: A locking sleeve (15) is provided on one side of the left flange (12), a second left locking bolt (19) is provided on the locking sleeve (15), one end of the second left locking bolt (19) passes through the left flange (12) and is connected to the bucket body (6).

6. The roller structure of a screening and crushing bucket according to claim 5, characterized in that: A second left ball bearing (17) is arranged in the locking sleeve (15), a second left key block (16) is arranged in the second left ball bearing (17), and the second left key block (16) is clamped in the left key slot (14).

7. The roller structure of a screening and crushing bucket according to claim 1, characterized in that: Screening blocks (3) are staggeredly arranged on the outer surface of the main roller (2).

Images