CN219157826U

CN219157826U - Safe and stable wear-resisting excavator bucket tooth

Info

Publication number: CN219157826U
Application number: CN202222966484.8U
Authority: CN
Inventors: 俞艳艳; 刘自军
Original assignee: Jiangsu Rock Precision Casting Co ltd
Current assignee: Jiangsu Rock Precision Casting Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-06-09
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a safe and stable wear-resistant excavator bucket tooth, which comprises a bucket, wherein a tooth seat is welded on the lower side of the bucket, a tooth tail is inserted into the inner side of the tooth seat, a tooth head is welded on the bottom of the tooth tail, a connecting component is arranged between the tooth tail and the tooth seat, the connecting component comprises a plunger rod, the plunger rod is inserted into the inner side of the tooth seat, one end of the plunger rod extends to the inner side of the tooth tail, a pull head is fixedly connected to one end of the plunger rod away from the tooth tail, and a connecting block is fixedly connected to the outer wall of the plunger rod. This safe and stable wear-resisting formula excavator bucket tooth utilizes extension spring and the spring that sets up can make the inserted bar spacing to the tooth tail fast, simple to operate, and pulling the pull belt drives the plug and can conveniently dismantle the tooth tail fast, and it is simple and convenient to change, and the stability of installation is good, has effectively strengthened the wearability of tooth head through the wearing layer that sets up, has improved the durability of this excavator bucket tooth, has prolonged life, has improved the practicality.

Description

Safe and stable wear-resisting excavator bucket tooth

Technical Field

The utility model relates to the technical field of excavator equipment, in particular to a safe and stable wear-resistant excavator bucket tooth.

Background

An excavator, also called an excavator, is an earth moving machine that excavates material above or below a face of a carrier with a bucket and loads the material into a transport vehicle or unloads the material to a storage yard. The materials excavated by the excavator are mainly soil, coal, silt and soil and rock after pre-loosening.

The bucket in the excavator is the spare part of most direct contact material, be equipped with a plurality of bucket tooth subassemblies on the bucket and be used for breaking open the material, consequently, when carrying out the excavation work, the bucket tooth subassembly receives impact force and is great, consequently, the loss is great, need regularly change, the bucket tooth subassembly includes bucket tooth head, tooth holder and pin, the tooth holder welds at the bucket edge, link together bucket tooth head and tooth holder through single pin, when using a period to change bucket tooth head, because the pin is interference fit, though connect very steadily, dismantle and install inconvenient, has caused inconvenience, so put forward a safe and stable wear-resisting excavator bucket tooth to solve the problem that above-mentioned in.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the safe and stable wear-resistant excavator bucket tooth which has the advantages of convenience in replacement and the like, and solves the problem that the excavator bucket tooth is inconvenient to replace and maintain.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the safe and stable wear-resistant excavator bucket tooth comprises a bucket, wherein a tooth seat is welded on the lower side of the bucket, a tooth tail is inserted into the inner side of the tooth seat, a tooth head is welded on the bottom of the tooth tail, and a connecting assembly is arranged between the tooth tail and the tooth seat;

the connecting assembly comprises a plunger rod, the plunger rod is inserted into the inner side of the tooth holder, one end of the plunger rod extends to the inner side of the tooth tail, one end of the plunger rod, away from the tooth tail, is fixedly connected with a pull head, the outer wall of the plunger rod is fixedly connected with a connecting block, one side of the connecting block, close to the tooth tail, is fixedly connected with a tension spring, and one side of the connecting block, close to the pull head, is fixedly connected with a compression spring.

Further, the inside of toothholder has seted up the mounting groove, the tooth tail and the inboard clearance fit of mounting groove.

Further, the inside of tooth tail has seted up the recess, the inboard clearance fit of inserted bar and recess, and the both sides of tooth tail all are provided with inserted bar and recess.

Further, the inner wall of the mounting groove is fixedly connected with a bump, one side of the tooth tail, which is close to the mounting groove, is provided with a notch, and the bump and the notch correspond to each other.

Further, the pull head is located the outside of toothholder, connecting block, extension spring and pressure spring all are located the inside of toothholder.

Further, the upper and lower both sides of inserted bar all are provided with the connecting block, the one end that connecting block was kept away from to extension spring and pressure spring all with the inside fixed connection of toothholder.

Further, the outside fixedly connected with wearing layer of tooth head, the wearing layer comprises high manganese steel.

Compared with the prior art, the utility model provides the safe and stable wear-resistant excavator bucket tooth, which has the following beneficial effects:

this safe and stable wear-resisting excavator bucket tooth utilizes extension spring and the spring that sets up can make the inserted bar spacing to the tooth tail fast, simple to operate, and pulling the pull belt drives the plug and can conveniently dismantle the tooth tail fast, and it is simple and convenient to change, and the stability of installation is good, has effectively strengthened the wearability of tooth head through the wearing layer that sets up, has improved the durability of this excavator bucket tooth, has prolonged life, has improved the practicality, has solved the inconvenient problem of changing the maintenance of excavator bucket tooth.

Drawings

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

FIG. 2 is a bottom view of the bump structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1 bucket, 2 tooth holders, 3 tooth tails, 4 tooth heads, 5 wear-resisting layers, 6 inserted bars, 7 pullers, 8 connecting blocks, 9 tension springs, 10 compression springs, 11 mounting grooves, 12 convex blocks and 13 grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a safe and stable wear-resistant excavator bucket tooth comprises a bucket 1, wherein a tooth holder 2 is welded on the lower side of the bucket 1, a tooth tail 3 is inserted on the inner side of the tooth holder 2, a tooth head 4 is welded on the bottom of the tooth tail 3, a mounting groove 11 is formed in the inner side of the tooth holder 2, the tooth tail 3 is in clearance fit with the inner side of the mounting groove 11, a lug 12 is fixedly connected to the inner wall of the mounting groove 11, a notch is formed in one side, close to the mounting groove 11, of the tooth tail 3, the lug 12 corresponds to the notch, and the tooth tail 3 can be prevented from being reversely inserted by the arrangement of the lug 12, so that the installation and butt joint are facilitated.

It should be noted that, the outside fixedly connected with wearing layer 5 of tooth head 4, wearing layer 5 comprises high manganese steel, and high manganese steel has fine toughness and impact resistance, has improved the wearability of tooth head 4 greatly, has increased tooth head 4's life.

In this embodiment, be provided with coupling assembling between tooth tail 3 and the toothholder 2, coupling assembling includes inserted bar 6, and inserted bar 6 peg graft to the inboard of toothholder 2, and the one end of inserted bar 6 extends to the inboard of tooth tail 3, and recess 13 has been seted up to the inboard of tooth tail 3, and the inboard clearance fit of inserted bar 6 and recess 13, and the both sides of tooth tail 3 all are provided with inserted bar 6 and recess 13, utilize the inserted bar 6 of both sides to stabilize spacing to tooth tail 3.

It should be noted that, the one end fixedly connected with pull head 7 of tooth tail 3 is kept away from to inserted bar 6, and pull head 7 is located the outside of toothholder 2, has made things convenient for pulling inserted bar 6 to remove to adjust, fixedly connected with connecting block 8 on the outer wall of inserted bar 6, one side fixedly connected with extension spring 9 that connecting block 8 is close to tooth tail 3, one side fixedly connected with pressure spring 10 that connecting block 8 is close to pull head 7.

Wherein, connecting block 8, extension spring 9 and pressure spring 10 all are located the inside of toothholder 2, and the upper and lower both sides of inserted bar 6 all are provided with connecting block 8, and extension spring 9 and pressure spring 10 keep away from the inside fixed connection of connecting block 8 all with toothholder 2, make the position of connecting block 8 can keep stable through extension spring 9 and pressure spring 10's elastic potential energy, when inserted bar 6 extends to recess 13 inboard, extension spring 9 and pressure spring 10 are the natural state.

When the tooth head 4 is required to be replaced, the pull head 7 is pulled to drive the inserting rod 6 to move, so that the inserting rod 6 is separated from the tooth tail 3, the inserting rod 6 drives the connecting block 8 to move synchronously, the connecting block 8 compresses the pressure spring 10 and expands the tension spring 9, the tooth head 4 and the tooth tail 3 are disassembled and replaced, the connecting block 8 is reset by utilizing elastic potential energy of the tension spring 9 and the spring 10, the inserting rod 6 is reset, the replaced tooth tail 3 is fixed, and replacement is completed.

The beneficial effects of the embodiment are as follows:

this safe and stable wear-resisting formula excavator bucket tooth utilizes extension spring 9 and the spring 10 that set up to make the inserted bar 6 spacing to tooth tail 3 fast, simple to operate, and pulling pull head 7 drives plug 6 and can conveniently dismantle tooth tail 3 fast, and it is simple and convenient to change, and the stability of installation is good, has effectively strengthened the wearability of tooth head 4 through wearing layer 5 that set up, has improved the durability of this excavator bucket tooth, has prolonged life, has improved the practicality.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a safe and stable wear-resisting formula excavator bucket tooth, includes scraper bowl (1), the downside welding of scraper bowl (1) has toothholder (2), peg graft in the inboard of toothholder (2) has tooth tail (3), the bottom welding of tooth tail (3) has tooth head (4), its characterized in that: a connecting component is arranged between the tooth tail (3) and the tooth seat (2);

the connecting assembly comprises a plunger (6), the plunger (6) is inserted into the inner side of the tooth holder (2), one end of the plunger (6) extends to the inner side of the tooth tail (3), one end of the plunger (6) away from the tooth tail (3) is fixedly connected with a pull head (7), a connecting block (8) is fixedly connected to the outer wall of the plunger (6), a tension spring (9) is fixedly connected to one side of the connecting block (8) close to the tooth tail (3), and a compression spring (10) is fixedly connected to one side of the connecting block (8) close to the pull head (7).

2. The safety and stability wear-resistant excavator tooth of claim 1, wherein: the inner side of the tooth holder (2) is provided with a mounting groove (11), and the tooth tail (3) is in clearance fit with the inner side of the mounting groove (11).

3. The safety and stability wear-resistant excavator tooth of claim 1, wherein: the inner side of the tooth tail (3) is provided with a groove (13), the inserted link (6) is in clearance fit with the inner side of the groove (13), and the two sides of the tooth tail (3) are provided with the inserted link (6) and the groove (13).

4. The safety and stability wear-resistant excavator tooth of claim 2, wherein: the inner wall of the mounting groove (11) is fixedly connected with a lug (12), one side of the tooth tail (3) close to the mounting groove (11) is provided with a notch, and the lug (12) and the notch correspond to each other.

5. The safety and stability wear-resistant excavator tooth of claim 1, wherein: the pull head (7) is located outside the tooth holder (2), and the connecting block (8), the tension spring (9) and the pressure spring (10) are all located inside the tooth holder (2).

6. The safety and stability wear-resistant excavator tooth of claim 1, wherein: connecting blocks (8) are arranged on the upper side and the lower side of the inserted link (6), and one ends, far away from the connecting blocks (8), of the tension springs (9) and the compression springs (10) are fixedly connected with the inside of the tooth holder (2).

7. The safety and stability wear-resistant excavator tooth of claim 1, wherein: the outer side of the tooth head (4) is fixedly connected with a wear-resistant layer (5), and the wear-resistant layer (5) is made of high manganese steel.