CN212926243U

CN212926243U - Excavator bucket tooth convenient to installation

Info

Publication number: CN212926243U
Application number: CN202021524311.5U
Authority: CN
Inventors: 于万波; 李中宝; 郝春生
Original assignee: Chaoyang Duo Yuan Alloy Casting Co ltd
Current assignee: Chaoyang Duo Yuan Alloy Casting Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-09
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the field of excavator bucket tooth installation, in particular to an excavator bucket tooth convenient to install, which comprises a bucket, the right end of the inner side of the bucket is connected with a first sleeve block in a sliding way, the right end of the inner side of the first sleeve block is connected with a second sleeve block in a sliding way, a first threaded shaft is arranged on the inner side of the second sleeve block and penetrates through the second sleeve block, and first threaded shaft rotates with the second cover piece to be connected, the utility model discloses in, the sliding connection of locating piece and first cover piece and kicking block, the screwed connection of first threaded shaft and kicking block and the fixed connection of first threaded shaft and bucket tooth insert in the first cover piece with second cover piece and bucket tooth, rotate the latch, the kicking block in the first threaded shaft outside moves along first threaded shaft and jacks up the locating piece, fixes in the constant head tank in the first cover piece with the latch, has reduced the installation degree of difficulty of latch when avoiding the latch wearing and tearing.

Description

Excavator bucket tooth convenient to installation

Technical Field

The utility model relates to an excavator bucket tooth installation field specifically is an excavator bucket tooth convenient to installation.

Background

The bucket tooth of the excavator is an important consumable part on the excavator, is similar to a tooth of a person, is a combined bucket tooth consisting of a tooth holder and a tooth tip, and is connected with the tooth holder and the tooth tip through a pin shaft; according to the bucket tooth toothholder: the excavator bucket tooth can be divided into a vertical pin bucket tooth, a transverse pin bucket tooth and a rotary excavating bucket tooth.

The excavator bucket tooth is worn and torn seriously after using a period of time, needs to be changed, and current bucket tooth uses fixture block and locating pin to install fixedly, and this kind of mode has increased the degree of wear of bucket tooth, and the installation is very inconvenient, and the bucket tooth is the snap-on simultaneously on the scraper bowl edge, can not remove, when needs carry out the excavation of deep degree, needs to change other bucket teeth, has restricted the application scope of bucket tooth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator bucket tooth convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an excavator bucket tooth convenient to installation, includes the scraper bowl, the inboard right-hand member sliding connection of scraper bowl has first cover piece, the inboard right-hand member sliding connection of first cover piece has the second cover piece, the inboard of second cover piece is equipped with first threaded shaft, first threaded shaft runs through the second cover piece, and first threaded shaft rotates with the second cover piece and is connected, the right side fixedly connected with bucket tooth of first threaded shaft, the left side fixedly connected with second threaded shaft of first cover piece, and second threaded shaft rotates with the scraper bowl and is connected, the outside screwed connection of second threaded shaft has the cover tooth, and the cover tooth rotates with the scraper bowl and is connected, the outside meshing of cover tooth has the worm wheel.

Preferably, the outer side of the first threaded shaft is spirally connected with a top block, a convex block is arranged at the top end of the top block, a positioning block is slidably connected to the top end of the top block and is slidably connected with the first sleeve block, and the positioning block is arranged in a wedge shape.

Preferably, the right side of the positioning block is provided with a sliding groove, the inner side of the sliding groove is connected with a sliding block in a sliding manner, and the sliding block is fixedly connected with the second sleeve block.

Preferably, the inboard fixedly connected with pivot of worm wheel, and pivot and scraper bowl rotate and be connected, the outside meshing of worm wheel has the worm, the worm runs through the scraper bowl, and the worm rotates with the scraper bowl to be connected.

Preferably, the top end of the worm is provided with a hexagonal groove, and the worm is made of a special alloy plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the sliding connection of the positioning block, the first sleeve block and the top block, the spiral connection of the first threaded shaft and the top block and the fixed connection of the first threaded shaft and the bucket tooth are adopted, the second sleeve block and the bucket tooth are inserted into the first sleeve block, the latch is rotated, the top block outside the first threaded shaft moves along the first threaded shaft to jack up the positioning block, the latch is fixed in the positioning groove in the first sleeve block, and the mounting difficulty of the latch is reduced while the wear of the latch is avoided;

2. the utility model discloses in, the meshing of the screw connection of second threaded shaft and the cover tooth, worm wheel and cover tooth and worm and the fixed connection of second threaded shaft and first set of piece, use tool rotate the worm, and the worm drives the worm wheel and rotates in the scraper bowl through the pivot, and the worm wheel rotates the cover tooth that drives the meshing and begins to rotate, and the first set of piece of second threaded shaft control in the control cover tooth removes, extends the length of bucket tooth, and the practicality is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the worm wheel of the present invention;

fig. 3 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-bucket, 2-first set block, 3-second set block, 4-first threaded shaft, 5-bucket tooth, 6-top block, 7-positioning block, 8-sliding block, 9-sliding chute, 10-second threaded shaft, 11-set tooth, 12-worm wheel, 13-rotating shaft and 14-worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

an excavator bucket tooth convenient to mount comprises a bucket 1, a first sleeve block 2 is connected to the right end of the inner side of the bucket 1 in a sliding mode, a second sleeve block 3 is connected to the right end of the inner side of the first sleeve block 2 in a sliding mode, a first threaded shaft 4 is arranged on the inner side of the second sleeve block 3, the first threaded shaft 4 penetrates through the second sleeve block 3, the first threaded shaft 4 is rotationally connected with the second sleeve block 3, so that the bucket tooth 5 can be rotated to control the first threaded shaft 4 to move in the top block 6, the bucket tooth 5 is fixedly connected to the right side of the first threaded shaft 4, the second threaded shaft 10 is fixedly connected to the left side of the first sleeve block 2, and the second screw shaft 10 is rotatably connected with the bucket 1, the outer side of the second screw shaft 10 is spirally connected with a set tooth 11, and the sleeve tooth 11 is connected with the bucket 1 in a rotating mode, so that the sleeve tooth 11 can rotate on the second threaded shaft 10, the second threaded shaft 10 is controlled to move, and the outer side of the sleeve tooth 11 is meshed with a worm wheel 12.

The outer side of the first threaded shaft 4 is spirally connected with a top block 6, the top end of the top block 6 is provided with a convex block, the top end of the top block 6 is slidably connected with a positioning block 7, the positioning block 7 is slidably connected with the first sleeve block 2, the positioning block 7 is arranged in a wedge shape, the positioning block 7 is conveniently jacked up by the top block 6, and the second sleeve block 3 is clamped in a positioning groove in the first sleeve block 2 to be fixed; a sliding groove 9 is formed in the right side of the positioning block 7, a sliding block 8 is connected to the inner side of the sliding groove 9 in a sliding mode, the sliding block 8 is fixedly connected with the second sleeve block 3, the sliding block 8 can conveniently slide in the sliding groove 9, and the positioning block 7 is prevented from being separated; a rotating shaft 13 is fixedly connected to the inner side of the worm wheel 12, the rotating shaft 13 is rotatably connected with the bucket 1, a worm 14 is meshed with the outer side of the worm wheel 12, the worm 14 penetrates through the bucket 1, and the worm 14 is rotatably connected with the bucket 1, so that the worm 14 is meshed with the worm wheel 12 to rotate, the sleeve teeth 11 are driven to rotate, and the movement of the second threaded shaft 10 is controlled; the top end of the worm 14 is provided with a hexagonal groove, and the worm 14 is made of a special alloy plate material, so that the worm 14 can be conveniently rotated by using a tool.

The working process is as follows: after the bucket teeth 5 are used for a period of time, when the bucket teeth 5 are worn and need to be replaced, a new bucket tooth 5 is taken out, the bucket teeth 5 and the second sleeve blocks 3 are inserted into the first sleeve block 2, after the second sleeve block 3 is pushed to the bottom end of the first sleeve block 2, the bucket teeth 5 are rotated anticlockwise, the first threaded shaft 4 on the left side of the bucket teeth 5 rotates to drive the top block 6 on the outer side to move, the bump on the top block 6 moves to the lower side of the positioning block 7, the positioning block 7 is jacked upwards, the sliding block 8 in the positioning block 7 keeps moving at a vertical position in the sliding groove 9, the positioning block 7 is clamped in the positioning groove in the first sleeve block 2, the second sleeve block 3 is fixed in the first sleeve block 2, when deep excavation operation needs to be performed, a hexagonal bolt is clamped in the hexagonal groove on the worm 14, the worm 14 is rotated, the worm 14 rotates to drive the worm wheel 12 meshed with the outer side to rotate in the bucket 1 through the rotating shaft 13, the worm wheel 12 drives the sleeve gear 11 engaged with the outer side to start rotating, the second threaded shaft 10 in threaded connection with the inner side of the sleeve gear 11 starts moving rightwards, the second threaded shaft 10 pushes the first sleeve block 2 to move rightwards, the length of the bucket teeth 5 is extended, and the application range of the bucket teeth 5 is enlarged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an excavator bucket tooth convenient to installation, includes scraper bowl (1), its characterized in that: the utility model discloses a scraper bowl, including scraper bowl (1), inboard right-hand member sliding connection have first cover piece (2) of scraper bowl (1), the inboard right-hand member sliding connection of first cover piece (2) has second cover piece (3), the inboard of second cover piece (3) is equipped with first threaded shaft (4), second cover piece (3) are run through in first threaded shaft (4), and just first threaded shaft (4) rotate with second cover piece (3) and be connected, the right side fixedly connected with bucket tooth (5) of first threaded shaft (4), the left side fixedly connected with second threaded shaft (10) of first cover piece (2), and second threaded shaft (10) rotate with scraper bowl (1) and be connected, the outside screwed connection of second threaded shaft (10) has set tooth (11), and set tooth (11) rotate with scraper bowl (1) and be connected, the outside meshing of set tooth (11) has worm wheel (12).

2. The excavator tooth of claim 1, wherein: the outer side of the first threaded shaft (4) is spirally connected with an ejector block (6), the top end of the ejector block (6) is provided with a convex block, the top end of the ejector block (6) is slidably connected with a positioning block (7), the positioning block (7) is slidably connected with the first sleeve block (2), and the positioning block (7) is arranged in a wedge shape.

3. The excavator tooth of claim 2, wherein: the right side of the positioning block (7) is provided with a sliding groove (9), the inner side of the sliding groove (9) is connected with a sliding block (8) in a sliding mode, and the sliding block (8) is fixedly connected with the second sleeve block (3).

4. The excavator tooth of claim 1, wherein: the inboard fixedly connected with pivot (13) of worm wheel (12), and pivot (13) rotate with scraper bowl (1) and be connected, the outside meshing of worm wheel (12) has worm (14), scraper bowl (1) is run through in worm (14), and worm (14) rotate with scraper bowl (1) and be connected.

5. The excavator tooth of claim 4, wherein: the top end of the worm (14) is provided with a hexagonal groove, and the worm (14) is made of a special alloy plate.