CN221298009U

CN221298009U - Bucket of excavator

Info

Publication number: CN221298009U
Application number: CN202323176326.3U
Authority: CN
Inventors: 包大庆; 李树林; 周跃飞; 叶雄俊; 周南伟; 陈敏
Original assignee: Zhejiang Chuangchuang Construction Co ltd
Current assignee: Zhejiang Chuangchuang Construction Co ltd
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-07-09
Anticipated expiration: 2033-11-24

Abstract

The utility model relates to a bucket of an excavator, which comprises a bucket body of the bucket, wherein an arc-shaped connecting plate is welded and fixed on the back surface of the bucket body, lug plates are welded and fixed on two sides of the connecting plate, two groups of opposite bushings are respectively inserted and fixed on the lug plates on two sides of the connecting plate, a transverse T-shaped pin shaft is inserted and connected on the bushings, two groups of transverse T-shaped groove rails opposite to the pin shaft are inserted and arranged in the connecting plate, one end of each groove rail is abutted against a limit stop, and the limit stop and each T-shaped groove rail are fixed on the back surface of the bucket body; the middle part shaping of round pin axle head has the bodiness boss, is fixed with spacing chain on the lateral wall of bodiness boss, and the slider of "worker" font is fixedly connected with to the end of spacing chain, and the slider is inserted and is established on T type grooved rail, and the spiro union has stop bolt on the slider, and stop bolt's end is pressed and is leaned on T type grooved rail. The limiting structure for preventing the pin shaft from being completely separated from the bucket is arranged on the bucket, so that collision damage of the pin shaft can be prevented, and the subsequent pin shaft is convenient to reinstall on the bucket.

Description

Bucket of excavator

Technical field:

The utility model relates to the technical field of excavators, in particular to a bucket of an excavator.

The background technology is as follows:

An excavator is also called an excavator, and is an earth moving machine which excavates materials higher or lower than a carrying surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a storage yard. The materials excavated by the excavator are mainly soil, coal, silt and soil and rock after pre-loosening. In recent years, development of the construction machine is relatively rapid, and the excavator has become one of the most important construction machines in engineering construction. The excavator bucket is an important component part on the excavator, is a bucket-shaped component which is directly contacted with soil, has different bucket-shaped structures and is suitable for different working conditions; the excavator is characterized in that the arm of the excavator is hinged with the excavator through two pin shafts, the pin shafts are knocked out when the excavator is replaced, the pin shafts are generally directly dropped on the ground after being knocked out, and then the outer wall of the pin shaft is knocked, so that when the knocked damage is serious, the excavator is required to be polished and can be used; the pin shaft falling on the ground also needs to be remounted on the replaced bucket, and the pin shaft component on the bucket is not light, so that the pin shaft is inconvenient to reinsert into the bucket.

The utility model comprises the following steps:

The utility model aims at overcoming the defects of the prior art, and provides the excavator bucket, wherein the bucket is provided with the limiting structure for preventing the pin shaft from completely separating from the bucket, so that the pin shaft is prevented from collision damage, and the subsequent pin shaft is convenient to reinstall on the bucket.

The utility model provides a bucket of excavator, includes the bucket body of bucket, and the back welded fastening of bucket body has curved connecting plate, and the both sides welded fastening of connecting plate has the otic placode, and it is fixed with two sets of relative bush to peg graft respectively on the otic placode of connecting plate both sides, peg graft on the bush has the round pin axle of horizontal T type, its characterized in that: two groups of transverse T-shaped groove rails opposite to the pin shafts are inserted in the connecting plate, one end of each groove rail is abutted against a limit stop, and the limit stop and the T-shaped groove rails are fixed on the back surface of the bucket body;

The middle part shaping of round pin axle head has the bodiness boss, is fixed with spacing chain on the lateral wall of bodiness boss, and the slider of "worker" font is fixedly connected with to the end of spacing chain, and the slider is inserted and is established on T type grooved rail, and the spiro union has stop bolt on the slider, and stop bolt's end is pressed and is leaned on T type grooved rail.

Preferably, two ends of the T-shaped groove rail extend out of two side end faces of the connecting plate respectively, and the head of the pin shaft and limit stops on the T-shaped groove rail adjacent to the pin shaft are distributed on the same side of the connecting plate.

Preferably, a threaded bottom hole is formed in the side wall of the thickening boss on the pin shaft, a connector is screwed in the threaded bottom hole, and the limiting lock chain is fixed on the connector; the sliding block is provided with a hanging ring, and the tail end of the limiting lock chain is hung and buckled on the hanging ring.

Preferably, the heads of the two groups of pin shafts on the bucket body are respectively distributed on two sides of the connecting plate and positioned at two ends of the lug plate.

Preferably, a limiting sleeve is inserted at the tail end of the pin shaft at one end of the lug plate, a limiting bolt is fixedly inserted on the limiting sleeve, and the limiting bolt is inserted on the pin shaft at the inner side of the limiting sleeve;

The outer ring of the head part of the pin shaft at the other end of the lug plate is provided with a plurality of bolt through holes, the lug plate is provided with a plurality of threaded through holes opposite to the bolt through holes, the bolt through holes at the head part of the pin shaft are internally provided with fastening bolts, and the fastening bolts are fixedly connected in the threaded through holes of the lug plate in a threaded mode.

Preferably, a longitudinal hook is welded and fixed on the bucket body at the lower side of the connecting plate, and the hook is positioned in the middle of the bucket body.

The utility model has the beneficial effects that:

The limiting structure for preventing the pin shaft from being completely separated from the bucket is arranged on the bucket, so that collision damage of the pin shaft can be prevented, and the subsequent pin shaft is convenient to reinstall on the bucket.

Description of the drawings:

FIG. 1 is a schematic cross-sectional side view of the present utility model;

FIG. 2 is a schematic view of a rear view of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

fig. 4 is a partially enlarged schematic structural view at B in fig. 2.

In the figure: 1. a bucket body; 2. a connecting plate; 3. ear plates; 4. a bushing; 5. a pin shaft; 51. thickening the boss; 52. bolt through holes; 6. a grooved rail; 7. a limit stop; 8. a slide block; 9. limiting a lock chain; 10. a limit sleeve; 11. a limit bolt; 12. a connector; 13. a limit bolt; 14. a hook.

The specific embodiment is as follows:

Examples: referring to fig. 1 to 4, a bucket of an excavator comprises a bucket body 1 of the bucket, wherein an arc-shaped connecting plate 2 is welded and fixed on the back surface of the bucket body 1, lug plates 3 are welded and fixed on two sides of the connecting plate 2, two groups of opposite bushings 4 are respectively inserted and fixed on the lug plates 3 on two sides of the connecting plate 2, a transverse T-shaped pin shaft 5 is inserted and connected on the bushings 4, two groups of transverse T-shaped groove rails 6 opposite to the pin shaft 5 are inserted and arranged in the connecting plate 2, one end of each groove rail 6 abuts against a limit stop 7, and the limit stop 7 and the T-shaped groove rails 6 are both fixed on the back surface of the bucket body 1;

The middle part of the head part of the pin shaft 5 is provided with a thickening boss 51, the side wall of the thickening boss 51 is fixedly provided with a limit lock chain 9, the tail end of the limit lock chain 9 is fixedly connected with an I-shaped sliding block 8, the sliding block 8 is inserted into the T-shaped groove rail 6, the sliding block 8 is in threaded connection with a limit bolt 13, the tail end of the limit bolt 13 is pressed against the T-shaped groove rail 6, and the limit lock chain 9 can restrict the pin shaft 5 to be completely separated from a bushing 4 sleeved on the pin shaft 5;

In order to improve the strength of the excavator bucket, the lug plate 3 and the back surface of the bucket body 1 can be welded and fixed together, but the lug plate 3 is required to be provided with an avoiding notch opposite to the T-shaped groove rail 6 and the sliding block 8.

The both ends of T type grooved rail 6 stretch out the both sides terminal surface of connecting plate 2 respectively, and limit stop 7 on the head of round pin axle 5 and the adjacent T type grooved rail 6 of round pin axle 5 distributes in the homonymy of connecting plate 2, and when round pin axle 5 took out the bucket body, slider 8 moved along with round pin axle 5 based on limit chain 9, when leaning on limit stop 7, and round pin axle 5 just can 'T be moving, and then can' T break away from with the bush 4 of round pin axle 5 head part, can realize simultaneously that the end of round pin axle 5 all sets up in bush 4.

A threaded bottom hole is formed in the side wall of the thickening boss 51 on the pin shaft 5, a connector 12 is screwed in the threaded bottom hole, and the limiting lock chain 9 is fixed on the connector 12; the sliding block 8 is provided with the hanging ring 81, the tail end of the limiting lock chain 9 is hung and buckled on the hanging ring 81, and the limiting lock chain 9 can be separated from the pin shaft 5 based on the connector 12, so that the pin shaft 5 is convenient to install and detach.

The heads of the two groups of pin shafts 5 on the bucket body 1 are respectively distributed on two sides of the connecting plate 2 and positioned at two ends of the lug plate 3, and the two groups of pin shafts 5 are distributed in a staggered manner.

A limiting sleeve 10 is inserted at the tail end of the pin shaft 5 at one end of the lug plate 3, a limiting plug 11 is fixedly inserted on the limiting sleeve 10, and the limiting plug 11 is inserted on the pin shaft 5 at the inner side of the limiting sleeve 10; the group of pin shafts 5 are connected through bolts;

The outer ring of the head part of the pin shaft 5 at the other end of the lug plate 3 is provided with a plurality of bolt through holes 52, the lug plate 3 is provided with a plurality of threaded through holes 31 opposite to the bolt through holes 52, the bolt through holes 52 at the head part of the pin shaft 5 are inserted with fastening bolts, the fastening bolts are screwed and fixed in the threaded through holes 31 of the lug plate 3, and the other group is connected through bolts.

The longitudinal hooks 14 are welded and fixed on the bucket body 1 at the lower side of the connecting plate 2, the hooks 14 are positioned in the middle of the bucket body 1, the hooks 14 can support rib plates to assist in placing the bucket, and meanwhile, when the bucket is detached, the crane is connected through the hooks 14 to realize movement of the bucket.

Working principle: the utility model relates to a bucket of an excavator, the structure of which is shown in figures 1 and 2, a T-shaped groove rail 6, a sliding block 8 and a limit stop 7 are mainly arranged on the back surface of a bucket body 1, the sliding block 8 is arranged on the T-shaped groove rail 6, and the sliding block 8 is connected with a pin shaft 5 through a limit lock chain 9;

When the bucket is replaced, the limiting bolt 13 is loosened, the pin shaft 5 is knocked, the pin shaft 5 moves, and the sliding block 8 can move on the T-shaped groove rail 6 through the limiting lock chain 9; when the pin shaft 5 is separated from the lug plate 3 on one side of the bucket body 1 and the forearm of the excavator, when the tail end of the pin shaft 5 enters the lug plate 3 on the other side of the bucket body 1, the sliding block 8 is limited by the limiting stop block 7 and can not move any more, and meanwhile, the limiting lock chain 9 is also in a straightened state, so that the pin shaft 5 is restrained, and the pin shaft can be prevented from being completely separated from the bucket and falling on the ground; but also facilitates the reinsertion and the resetting of the subsequent pin shaft 5;

When a new bucket is replaced, the pin shaft 5 is installed; through removing slider 8, realize that most spacing chain 9 is hidden in the inboard of connecting plate 2, at locking limit bolt 13, realize slider 8 location, and then the excavator during operation, spacing chain 9 is difficult to cause the interference problem.

The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.

Claims

1. The utility model provides a bucket of excavator, includes bucket body (1) of bucket, and the back welded fastening of bucket body (1) has curved connecting plate (2), and the both sides welded fastening of connecting plate (2) has otic placode (3), and it is fixed with two sets of relative bush (4) to peg graft respectively on otic placode (3) of connecting plate (2) both sides, peg graft on bush (4) have round pin axle (5) of horizontal T type, its characterized in that: two groups of T-shaped groove rails (6) which are opposite to the pin shafts (5) and are transverse are inserted into the connecting plate (2), one end of each groove rail (6) is abutted against a limit stop (7), and the limit stop (7) and the T-shaped groove rails (6) are fixed on the back surface of the bucket body (1);

the middle part shaping of round pin axle (5) head has bodiness boss (51), is fixed with spacing chain (9) on the lateral wall of bodiness boss (51), and the end fixedly connected with "worker" font slider (8) of spacing chain (9), slider (8) are inserted and are established on T type grooved rail (6), and the spiro union has stop bolt (13) on slider (8), and the end of stop bolt (13) is pressed on T type grooved rail (6).

2. The excavator bucket of claim 1 wherein: the two ends of the T-shaped groove rail (6) respectively extend out of the end faces of the two sides of the connecting plate (2), and the head of the pin shaft (5) and limit stops (7) on the T-shaped groove rail (6) adjacent to the pin shaft (5) are distributed on the same side of the connecting plate (2).

3. The excavator bucket of claim 2 wherein: a threaded bottom hole is formed in the side wall of the thickening boss (51) on the pin shaft (5), a connector (12) is screwed in the threaded bottom hole, and the limiting lock chain (9) is fixed on the connector (12); a hanging ring (81) is formed on the sliding block (8), and the tail end of the limiting lock chain (9) is hung and buckled on the hanging ring (81).

4. The excavator bucket of claim 1 wherein: the heads of the two groups of pin shafts (5) on the bucket body (1) are respectively distributed on two sides of the connecting plate (2) and are positioned at two ends of the lug plate (3).

5. The excavator bucket of claim 4 wherein: a limiting sleeve (10) is inserted at the tail end of the pin shaft (5) at one end of the lug plate (3), a limiting plug pin (11) is fixedly inserted on the limiting sleeve (10), and the limiting plug pin (11) is inserted on the pin shaft (5) at the inner side of the limiting sleeve (10);

The outer ring of the head part of the pin shaft (5) at the other end of the lug plate (3) is provided with a plurality of bolt through holes (52), the lug plate (3) is provided with a plurality of threaded through holes (31) opposite to the bolt through holes (52), the bolt through holes (52) at the head part of the pin shaft (5) are internally inserted with fastening bolts, and the fastening bolts are fixedly connected in the threaded through holes (31) of the lug plate (3) in a threaded mode.

6. The excavator bucket of claim 1 wherein: a longitudinal hook (14) is welded and fixed on the bucket body (1) at the lower side of the connecting plate (2), and the hook (14) is positioned in the middle of the bucket body (1).