Anti-collision device of excavator bucket

By setting up anti-collision mechanisms and cleaning mechanisms on the inside of the excavator bucket teeth, the collision impact is alleviated and the inner wall of the bucket is cleaned, thus solving the problem of bucket tooth wear, extending the service life of the bucket and improving excavation efficiency.

CN223423321UActive Publication Date: 2025-10-10ASIAN CONSTR EQUIP GRP CO LTD
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Patent Information

Application Number
CN202422884614.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-10
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

When the existing excavator bucket is in use, the bucket teeth collide with the soil or stones, causing severe wear and tear. The impact cannot be effectively alleviated, which shortens the service life of the bucket.

Method used

设计了一种防撞装置,包括斗齿内侧的防撞机构,利用弹簧和阻尼件缓解碰撞冲击,并通过电机驱动的往复丝杆带动刮板清理铲斗内壁,防止物料堆积。

Benefits of technology

It effectively reduces the wear of bucket teeth, extends the service life of the bucket, keeps the bucket clean, and improves excavation efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223423321U_ABST
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Abstract

The utility model relates to the technical field of buckets, in particular to an anti-collision device of an excavator bucket, which comprises a bucket body, the bucket body comprises a bucket, the surface of the bucket is fixedly connected with a mounting block, and the surface of the mounting block is provided with bucket teeth; an anti-collision mechanism is arranged on the inner side of the bucket tooth and comprises a first movable groove, and the first movable groove is formed in the inner side of the bucket tooth. Through the elastic property of the spring, the telescopic rod can move on the inner side of the fixed rod, and the damping piece is arranged in a matched mode, so that when the bucket tooth conducts excavation, force generated by collision between the bucket tooth and materials such as soil or stones can be relieved to a certain extent under the matching effect of the spring and the damping piece, and the excavation efficiency is improved. Therefore, impact caused by collision can be reduced, loss of the bucket teeth can be reduced, the bucket teeth can be protected, the anti-collision performance of the bucket can be improved, the overall structure of the bucket can be protected, and the service life of the bucket can be prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bucket technology field, concretely is a kind of anti-collision device of excavator bucket. BACKGROUND

[0002] The excavator is a kind of heavy engineering machinery, mainly for digging, loading and transporting soil, rock, sand, ore and other materials. The excavator bucket is one of the main working devices of the excavator, usually installed at the front end of the excavator, used for excavating soil, rock, sand and other materials, which is usually composed of a bottom plate, a wall plate, a hanging ear plate, an ear plate, a tooth plate, a side plate, a bucket tooth and an edge tooth. The main function of the bucket is to excavate the material and load it onto the transport device of the excavator for transportation.

[0003] In the prior art, when the bucket is used, the bucket tooth, as an important part of the bucket, replaces the bucket to bear wear and tear. When excavating, the bucket tooth first contacts the soil or stone and a collision occurs, which will impact the bucket tooth. Since the impact cannot be well alleviated or the bucket tooth cannot be protected against collision, the impact easily causes wear and tear of the bucket tooth, which is not conducive to protecting the overall structure of the bucket and prolonging the service life of the bucket. Therefore, in order to solve the above problems, an anti-collision device for the excavator bucket is proposed. SUMMARY

[0004] The utility model aims at providing an anti-collision device for the excavator bucket to solve the problem mentioned in the background that when excavating, the bucket tooth first contacts the soil or stone and a collision occurs, which will impact the bucket tooth. Since the impact cannot be well alleviated or the bucket tooth cannot be protected against collision, the impact easily causes wear and tear of the bucket tooth, which is not conducive to protecting the overall structure of the bucket and prolonging the service life of the bucket.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-collision device for the excavator bucket, comprising a bucket body, the bucket body comprising a bucket, the surface of the bucket being fixedly connected with a mounting block, the surface of the mounting block being provided with a bucket tooth;

[0006] The inner side of the bucket tooth is provided with an anti-collision mechanism, the anti-collision mechanism comprising a first movable slot, the first movable slot being formed in the inner side of the bucket tooth, the mounting block being movable in the inner side of the first movable slot, the surface of the mounting block being fixedly connected with a fixed rod, the inner wall of the fixed rod being fixedly connected with a spring, the surface of the spring being fixedly connected with a telescopic rod, the inner side of the telescopic rod being provided with a second movable slot, the inner wall of the second movable slot being fixedly connected with a damping member.

[0007] Preferably, the anti-collision mechanism further comprises a connecting block fixedly connected to the inner wall of the first movable slot, a limiting slot is formed in the surface of the mounting block, one end of the connecting block is fixedly connected to the first movable slot, and the other end of the connecting block is movably connected to the limiting slot.

[0008] Preferably, one end of the spring is fixedly connected to the fixed rod, and the other end of the spring is fixedly connected to the telescopic rod, and the telescopic rod is movably arranged in the inside of the fixed rod.

[0009] Preferably, the other end of the telescopic rod away from the spring is fixedly connected to the inner wall of the first movable slot, one end of the damping member is fixedly connected to the fixed rod, and the other end of the damping member is fixedly connected to the second movable slot.

[0010] Preferably, the inner side of the bucket is provided with a cleaning mechanism, the cleaning mechanism comprises a fixed block fixedly connected to the surface of the bucket, a reciprocating screw rod movably connected to the inside of the fixed block, a motor fixedly installed on the surface of the fixed block, a moving block movably connected to the surface of the reciprocating screw rod, a scraper fixedly connected to the surface of the moving block, a limiting rod fixedly connected to the inner surface of the fixed block, and a third movable slot formed in the inner side of the bucket.

[0011] Preferably, the reciprocating screw rod is fixedly connected to the output end of the motor, the moving block is movably arranged in the inside of the third movable slot, the scraper is movably arranged in the inside of the bucket, and the moving block is movably connected to the limiting rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、Through the elastic property of the spring, the telescopic rod can be movably arranged in the inside of the fixed rod, and the damping member is arranged, so that when the bucket teeth are excavated, the force generated by the collision between the bucket teeth and the soil or the stone and other materials can be relieved to a certain extent under the cooperation of the spring and the damping member, thereby the impact caused by the collision can be reduced, the wear of the bucket teeth can be reduced, the protection of the bucket teeth can be realized, the anti-collision performance of the bucket can be improved, and the overall structure of the bucket and the service life of the bucket can be protected.

[0014] 2、The motor is rotated, the reciprocating screw rod is driven to rotate, the moving block is moved under the action of the reciprocating screw rod, the scraper is moved back and forth in the inside of the bucket, the scraper is rubbed against the inner wall of the bucket through the movement of the scraper, the inner wall of the bucket can be cleaned, the accumulation of the soil and the like in the bucket can be avoided, and the excavation and loading of the materials by the bucket can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural front view of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model in an exploded front view;

[0017] Figure 3 This is a side cross-sectional exploded schematic diagram of the structure of the mounting block and bucket teeth of the utility model;

[0018] Figure 4 This is an exploded rear view diagram of the structure of the reciprocating screw and scraper of the utility model;

[0019] Figure 5 It is a rear view schematic diagram of the structure of the fixed block and the third movable groove of the utility model.

[0020] In the figure: 1. bucket; 11. mounting block; 12. bucket tooth; 2. first movable groove; 21. connecting block; 22. limiting groove; 23. fixing rod; 24. spring; 25. telescopic rod; 26. second movable groove; 27. damping element; 3. fixing block; 31. reciprocating screw; 32. motor; 33. moving block; 34. scraper; 35. limiting rod; 36. third movable groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] The motor 32 used in this application is a product that can be directly purchased on the market. Its principle and connection method are existing technologies well known to those skilled in the art, so they will not be described here in detail.

[0024] An anti-collision device for an excavator bucket includes a bucket body, the bucket body including a bucket 1, a mounting block 11 being fixedly connected to the surface of the bucket 1, and bucket teeth 12 being provided on the surface of the mounting block 11. The arrangement of the bucket teeth 12 can crush soil or stone, thereby facilitating excavation by the bucket 1;

[0025] An anti-collision mechanism is provided on the inner side of the bucket tooth 12, and the anti-collision mechanism includes a first movable groove 2, which is opened on the inner side of the bucket tooth 12, and the mounting block 11 is movable on the inner side of the first movable groove 2. The surface of the mounting block 11 is fixedly connected with a fixed rod 23, and the inner wall of the fixed rod 23 is fixedly connected with a spring 24. The surface of the spring 24 is fixedly connected with a telescopic rod 25, and a second movable groove 26 is opened on the inner side of the telescopic rod 25. The inner wall of the second movable groove 26 is fixedly connected with a damping member 27. Through the setting of the damping member 27 and the elastic properties of the spring 24, the impact of the collision on the bucket tooth 12 during the excavation process can be slowed down, and the loss of the bucket tooth 12 can be reduced, thereby improving the anti-collision performance and service life of the bucket 1.

[0026] Furthermore, the anti-collision mechanism also includes a connecting block 21, which is fixedly connected to the inner wall of the first movable groove 2, and a limiting groove 22 is opened on the surface of the mounting block 11. One end of the connecting block 21 is fixedly connected to the first movable groove 2, and the other end of the connecting block 21 is movably connected to the limiting groove 22. By setting the connecting block 21 and opening the limiting groove 22, when the bucket tooth 12 collides during the excavation process and a certain movement occurs on the surface of the mounting block 11, the bucket tooth 12 can move more stably, and thus the bucket tooth 12 can better perform excavation and crushing.

[0027] Furthermore, one end of the spring 24 is fixedly connected to the fixed rod 23, and the other end of the spring 24 is fixedly connected to the telescopic rod 25. The telescopic rod 25 moves inside the fixed rod 23. Through the setting of the spring 24, the telescopic rod 25 can move inside the fixed rod 23, and then cooperate with the setting of the damping member 27 to effectively reduce the damage to the bucket tooth 12, thereby protecting the overall structure of the bucket 1.

[0028] Furthermore, one end of the telescopic rod 25 away from the spring 24 is fixedly connected to the inner wall of the first movable groove 2, one end of the damping member 27 is fixedly connected to the fixed rod 23, and the other end of the damping member 27 is fixedly connected to the second movable groove 26. Through the setting of the damping member 27, the bucket tooth 12 can alleviate the impact of the bucket tooth 12 during collision when digging and crushing soil or stone, thereby achieving protection of the bucket tooth 12.

[0029] Further, the inner side of the bucket 1 is provided with a cleaning mechanism, the cleaning mechanism comprises a fixed block 3, the fixed block 3 is fixedly connected to the surface of the bucket 1, the inner side of the fixed block 3 is movably connected with a reciprocating screw rod 31, the surface of the fixed block 3 is fixedly connected with a motor 32, the surface of the reciprocating screw rod 31 is movably connected with a moving block 33, the surface of the moving block 33 is fixedly connected with a scraper 34, the inner surface of the fixed block 3 is fixedly connected with a limiting rod 35, the inner side of the bucket 1 is provided with a third movable groove 36, through the rotation of the reciprocating screw rod 31, the moving block 33 can drive the scraper 34 to move back and forth in the bucket 1, thereby the scraper 34 can scrape the wall of the bucket 1, which can avoid the soil and the like from accumulating on the inner wall of the bucket 1, thereby facilitating the cleaning of the bucket 1.

[0030] Further, the reciprocating screw rod 31 and the output end of the motor 32 are fixedly connected, the moving block 33 moves in the inner side of the third movable groove 36, the scraper 34 moves in the inner side of the bucket 1, the moving block 33 and the limiting rod 35 are movably connected, through the arrangement of the limiting rod 35, the movement of the moving block 33 can be limited, which can avoid the moving block 33 from deviating under the action of the reciprocating screw rod 31, thereby facilitating the moving block 33 to stably drive the scraper 34 to move, so as to realize the cleaning of the scraper 34 to the bucket 1.

[0031] Working principle: in use, when excavating, the bucket tooth 12 collides with the material, the bucket tooth 12 is forced to move on the surface of the mounting block 11, thereby the connecting block 21 slides in the limiting groove 22, the telescopic rod 25 moves in the inner side of the fixed rod 23, and the spring 24 is deformed, and the arrangement of the damping member 27 can alleviate the impact generated by the collision, thereby reducing the damage to the bucket tooth 12, and realizing the protection of the whole bucket 1.

[0032] The motor 32 is electrically connected by an external power source, the staff starts the motor 32 by pressing the switch, the motor 32 rotates to drive the reciprocating screw rod 31 to rotate, the moving block 33 is limited by the limiting rod 35 and moves back and forth in the process of the reciprocating screw rod 31 rotating, the moving block 33 moves on the surface of the limiting rod 35 and in the inner side of the third movable groove 36, thereby the scraper 34 moves under the action of the moving block 33, which can realize the cleaning of the bucket 1.

[0033] The above are only preferred embodiments of the present invention and do not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. An anti-collision device for an excavator bucket, comprising a bucket body, the bucket body comprising a bucket (1), a mounting block (11) being fixedly connected to the surface of the bucket (1), and bucket teeth (12) being provided on the surface of the mounting block (11); It is characterized by: An anti-collision mechanism is provided on the inner side of the bucket tooth (12), and the anti-collision mechanism comprises a first movable groove (2), the first movable groove (2) is opened on the inner side of the bucket tooth (12), the mounting block (11) is movable on the inner side of the first movable groove (2), a fixed rod (23) is fixedly connected to the surface of the mounting block (11), a spring (24) is fixedly connected to the inner wall of the fixed rod (23), a telescopic rod (25) is fixedly connected to the surface of the spring (24), a second movable groove (26) is opened on the inner side of the telescopic rod (25), and a damping member (27) is fixedly connected to the inner wall of the second movable groove (26).

2. The anti-collision device for an excavator bucket according to claim 1, characterized in that: The anti-collision mechanism further comprises a connecting block (21), wherein the connecting block (21) is fixedly connected to the inner wall of the first movable groove (2), a limiting groove (22) is provided on the surface of the mounting block (11), one end of the connecting block (21) is fixedly connected to the first movable groove (2), and the other end of the connecting block (21) is movably connected to the limiting groove (22).

3. The anti-collision device for an excavator bucket according to claim 1, characterized in that: One end of the spring (24) is fixedly connected to the fixed rod (23), and the other end of the spring (24) is fixedly connected to the telescopic rod (25), and the telescopic rod (25) moves inside the fixed rod (23).

4. The anti-collision device for an excavator bucket according to claim 1, characterized in that: One end of the telescopic rod (25) away from the spring (24) is fixedly connected to the inner wall of the first movable groove (2), one end of the damping member (27) is fixedly connected to the fixed rod (23), and the other end of the damping member (27) is fixedly connected to the second movable groove (26).

5. The anti-collision device for an excavator bucket according to claim 1, characterized in that: A cleaning mechanism is provided on the inner side of the bucket (1), and the cleaning mechanism comprises a fixed block (3), the fixed block (3) is fixedly connected to the surface of the bucket (1), the inner side of the fixed block (3) is movably connected to a reciprocating screw rod (31), the surface of the fixed block (3) is fixedly mounted with a motor (32), the surface of the reciprocating screw rod (31) is movably connected to a moving block (33), the surface of the moving block (33) is fixedly connected to a scraper (34), the inner surface of the fixed block (3) is fixedly connected to a limiting rod (35), and a third movable groove (36) is provided on the inner side of the bucket (1).

6. The anti-collision device for an excavator bucket according to claim 5, characterized in that: The reciprocating screw rod (31) and the output end of the motor (32) are fixedly connected, the moving block (33) moves inside the third movable groove (36), the scraper (34) moves inside the bucket (1), and the moving block (33) and the limiting rod (35) are movably connected.