Bucket tooth assembly for excavator

Abstract

The utility model discloses a bucket tooth assembly for an excavator, which comprises an excavator bucket, a bucket tooth mounting seat is fixedly arranged at the front end of one side of the excavator bucket, a plurality of mounting grooves are arranged on the bucket tooth mounting seat, and the inner walls of the plurality of mounting grooves are connected with bucket teeth through a connecting and mounting mechanism. When the limiting wrench rotates by 90 degrees, the double-end arc-shaped progressive disc can rotate from the vertical direction into a transverse straight state, and the length of the double-end arc-shaped progressive disc in the transverse straight state is larger than that of the double-end arc-shaped progressive disc in the vertical direction, so that the double-end arc-shaped progressive disc can drive two limiting insertion blocks to move into limiting insertion grooves at the same time in the 90-degree rotation process; according to the installation mode, maintenance is easier and more convenient, the maintenance cost is reduced, the maintenance time is shortened, complex interaction among parts is reduced through the simple structure, the fault risk is reduced, and the reliability of the bucket tooth is improved.

Description

Technical Field

[0001] The utility model relates to a bucket tooth assembly, in particular to a bucket tooth assembly for an excavator. Background Art

[0002] Excavator bucket teeth are an important part of the excavator device, used to break and dig different types of soil, rocks and other materials during excavation operations. They are usually made of wear-resistant alloy steel to ensure durability in harsh working conditions:

[0003] The comparative document 3CN114922249A states: "Through the cooperation between the connecting pin and the internal structure of the bucket tooth housing, the fixing method between the connecting pin and the bucket tooth housing is simplified, and the bucket tooth housing is sleeved on the outside of the connecting pin, so that the positioning shaft follows the trajectory of the limit groove and is pulled once toward one end of the connecting pin to achieve the locking operation between the connecting pin and the bucket tooth housing, and the unlocking function can be achieved by pulling it again, so that the device has the effect of quick installation, shortening the installation operation steps between the connecting pin and the bucket tooth housing, and during installation, there is no need to change the posture of the excavator, only need to place the bucket in a position that the operator can access, and directly perform the installation operation, and the device structure is suitable for a variety of bucket tooth installation operations, and has a wide range of adaptability." The above installation structure usually means more parts and connection points, which increases the difficulty of maintenance and requires more time and effort to maintain and repair.

[0004] It should be noted that the above content belongs to the technical cognition scope of the utility model applicant and does not necessarily constitute prior art. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a bucket tooth assembly for an excavator.

[0006] To achieve the above-mentioned purpose, the utility model proposes a bucket tooth assembly for an excavator, comprising a bucket:

[0007] A bucket tooth mounting seat is fixedly provided at the front end position of one side of the bucket, and a plurality of mounting grooves are provided on the bucket tooth mounting seat, and the inner walls of the plurality of mounting grooves are connected to the bucket teeth through a connecting mounting mechanism:

[0008] The connecting and installing mechanism includes limit slots opened on both sides of the inner wall of the installing groove, the two limit slots are connected with the corresponding limit blocks through-and-through, the two limit blocks are fixedly arranged at one end of the two moving seats, the two moving seats are slidingly connected with the bottom of the inner wall of the strip groove, the strip groove is opened at the bottom of the bucket tooth, a rotating shaft is rotatably provided at the middle position of the bottom end of the bucket tooth, a double-headed arc-shaped progressive disk is fixedly provided at the top end of the rotating shaft, and the edge position of the double-headed arc-shaped progressive disk contacts the side walls of the two moving seats.

[0009] In one example, through holes are provided at the middle positions of both sides of the inner wall of the strip-shaped groove, and the through holes are interlaced and connected with the limiting plug blocks, and the size of the through holes matches the size of the limiting plug blocks.

[0010] In one example, a limit wrench is fixedly provided at the bottom end of the rotating shaft.

[0011] In one example, connecting ears are fixedly provided on both sides of the two movable seats, and a sliding rod is slidably connected between two symmetrically arranged connecting ears on one side, and one end of the two groups of sliding rods are respectively fixedly connected to the edge positions on both sides of the inner wall of the strip groove.

[0012] In one example, springs are sleeved on both sides of the outer walls of the two sliding rods, and one end of the two springs is in contact with one side of the corresponding connecting ear.

[0013] In one example, both of the two limiting plugs are provided with strip-shaped limiting grooves, and the interior of the strip-shaped limiting grooves is fixed to the interior of the mounting groove by limiting bolts.

[0014] The bucket tooth assembly for an excavator proposed by the utility model can bring the following beneficial effects:

[0015] The utility model uses an excavator bucket, a bucket tooth mounting seat, bucket teeth, mounting grooves, a limit slot, a strip groove, a movable seat, a perforation, a limit wrench, a double-headed arc-shaped progressive disk, a rotating shaft and a limit plug block. The limit wrench rotates 90 degrees, and the double-headed arc-shaped progressive disk will rotate from a vertical direction to a horizontal state. The length in the horizontal state is greater than that in the vertical direction. Therefore, during the process of rotating the double-headed arc-shaped progressive disk 90 degrees, the two limit plug blocks will be driven to move to the inside of the limit slot at the same time, and then fixed and installed with the limit bolts and the mounting groove. This installation method is easier to maintain, reduces maintenance costs and time, and the simple structure reduces the complex interactions between components, reduces the risk of failure, and improves the reliability of the bucket teeth. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a structural schematic diagram of the bucket tooth mounting seat at the front end of the bucket of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the bottom of the bucket tooth of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the strip groove of the utility model.

[0021] In the figure: 1. bucket; 2. bucket tooth mounting seat; 3. bucket tooth; 4. mounting groove; 5. limit slot; 6. strip groove; 7. moving seat; 8. perforation; 9. limit wrench; 10. double-headed arc-shaped progressive disk; 11. rotating shaft; 12. sliding rod; 13. connecting ear; 14. spring; 15. strip limit slot; 16. limit bolt; 17. limit plug. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0023] like Figure 1 to Figure 4 As shown, the embodiment of the utility model provides a bucket tooth assembly for an excavator, including a bucket 1:

[0024] A bucket tooth mounting seat 2 is fixedly provided at the front end of one side of the bucket 1. A plurality of mounting grooves 4 are provided on the bucket tooth mounting seat 2. The inner walls of the plurality of mounting grooves 4 are connected to the bucket teeth 3 through a connecting mounting mechanism:

[0025] The connecting and installing mechanism includes limit slots 5 opened on both sides of the inner wall of the installation groove 4, the two limit slots 5 are connected with the corresponding limit blocks 17 through insertion, the two limit blocks 17 are fixedly arranged at one end of the two movable seats 7, the two movable seats 7 are slidably connected with the bottom of the inner wall of the strip groove 6, the strip groove 6 is opened at the bottom of the bucket tooth 3, and a rotating shaft 11 is rotatably provided at the middle position of the bottom end of the bucket tooth 3, and a double-headed arc-shaped progressive disk 10 is fixedly provided at the top end of the rotating shaft 11, and the edge position of the double-headed arc-shaped progressive disk 10 contacts the side walls of the two movable seats 7.

[0026] Specifically, through holes 8 are provided at the middle positions of both sides of the inner wall of the strip-shaped groove 6 , and the through holes 8 are inserted and connected with the limiting plug blocks 17 . The size of the through holes 8 matches the size of the limiting plug blocks 17 .

[0027] Specifically, a limit wrench 9 is fixedly provided at the bottom end of the rotating shaft 11 .

[0028] Specifically, connecting ears 13 are fixedly provided on both sides of the two movable seats 7, and the two symmetrically arranged connecting ears 13 on one side are slidably connected to the sliding rod 12, and one end of the two groups of sliding rods 12 are respectively fixedly connected to the edge positions on both sides of the inner wall of the strip groove 6.

[0029] Specifically, springs 14 are sleeved on both sides of the outer walls of the two sliding rods 12 , and one end of the two springs 14 contacts one side of the corresponding connecting ear 13 .

[0030] Specifically, the two limiting inserts 17 are each provided with a strip-shaped limiting groove 15 , and the interior of the strip-shaped limiting groove 15 is fixed to the interior of the mounting groove 4 by a limiting bolt 16 .

[0031] Working principle: When in use, first insert the end position of the bucket tooth 3 into the inside of the limit slot 5 on the bucket tooth mounting seat 2, then adjust the position of the perforation 8 and the limit slot 5, and then turn the limit wrench 9, rotate 90 degrees, thereby driving the double-headed arc progressive disk 10 at the top of the rotating shaft 11, and the double-headed arc progressive disk 10 will rotate from the vertical direction to the horizontal state. The length in the horizontal state is greater than the state in the vertical direction. Therefore, during the process of rotating 90 degrees, the double-headed arc progressive disk 10 will simultaneously drive the two limit plugs 17 to move to the inside of the limit slot 5, and then fix it with the mounting groove 4 through the limit bolt 16, and the connecting ear 13 is arranged between the connecting ears 13, and the connecting ear 13 is interlaced and connected with the slide rod 12, and the springs 14 arranged at both ends of the outer wall of the slide rod 12 can play a role in stabilizing the sliding.

[0032] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0033] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A bucket tooth assembly for an excavator, comprising a bucket (1): Features: A bucket tooth mounting seat (2) is fixedly provided at the front end of one side of the bucket (1), and a plurality of mounting grooves (4) are provided on the bucket tooth mounting seat (2). The inner walls of the plurality of mounting grooves (4) are connected to the bucket teeth (3) via a connecting mounting mechanism: The connection and installation mechanism comprises limit slots (5) provided on both sides of the inner wall of the installation groove (4), the two limit slots (5) being interlacedly connected with corresponding limit plugs (17), the two limit plugs (17) being fixedly arranged at one end of the two movable seats (7), the two movable seats (7) being slidably connected with the bottom of the inner wall of the strip groove (6), the strip groove (6) being provided at the bottom of the bucket tooth (3), a rotating shaft (11) being rotatably provided at the middle position of the bottom end of the bucket tooth (3), a double-headed arc-shaped progressive disc (10) being fixedly provided at the top end of the rotating shaft (11), and the edge position of the double-headed arc-shaped progressive disc (10) being in contact with the side walls of the two movable seats (7).

2. The bucket tooth assembly for an excavator according to claim 1, characterized in that: A through hole (8) is provided at the middle position of both sides of the inner wall of the strip-shaped groove (6), the through hole (8) is connected with the limit plug block (17) through insertion, and the size of the through hole (8) matches the size of the limit plug block (17).

3. The bucket tooth assembly for an excavator according to claim 1, characterized in that: A limit spanner (9) is fixedly provided at the bottom end of the rotating shaft (11).

4. The bucket tooth assembly for an excavator according to claim 1, characterized in that: Connecting ears (13) are fixedly provided on both sides of the two movable seats (7), and the sliding rod (12) is slidably connected between two symmetrically arranged connecting ears (13) on one side, and one end of the two groups of sliding rods (12) is fixedly connected to the edge positions on both sides of the inner wall of the strip groove (6).

5. The bucket tooth assembly for an excavator according to claim 4, characterized in that: Springs (14) are sleeved on both sides of the outer walls of the two sliding rods (12), and one end of the two springs (14) contacts one side of the corresponding connecting ear (13).

6. The bucket tooth assembly for an excavator according to claim 1, characterized in that: The two limiting inserts (17) are each provided with a strip-shaped limiting groove (15), and the interior of the strip-shaped limiting groove (15) is fixed to the interior of the mounting groove (4) via a limiting bolt (16).

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