CN210562382U

CN210562382U - Excavator bucket tooth

Info

Publication number: CN210562382U
Application number: CN201921309780.2U
Authority: CN
Inventors: 黄望业
Original assignee: Zhejiang Jiwang Forging Technology Co ltd
Current assignee: Zhejiang Jiwang Forging Technology Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-19
Anticipated expiration: 2029-08-13

Abstract

The utility model relates to an excavator bucket tooth, which comprises a tooth holder and a tooth tip, wherein the tooth holder comprises a clamping part and a connecting seat, and a first through hole is transversely arranged on the connecting seat; the tooth tip comprises a tooth tip seat and a tooth tip head, a connecting groove sleeved outside the connecting seat is formed in the tooth tip seat, extending walls covering the clamping part are formed on the upper side and the lower side of the connecting groove in the tooth tip seat, and a second through hole coaxial with the first through hole is formed in the tooth tip seat; the tooth point seat front end is equipped with the mounting groove, the tooth point seat is equipped with the third through-hole at second through-hole front end, the third through-hole runs through the mounting groove, tooth point tip rear end be equipped with mounting groove assorted linking arm, have the fourth through-hole with the coaxial setting of third through-hole on the linking arm, the cover is equipped with first connecting piece in first through-hole and the second through-hole, the cover is equipped with the second connecting piece in third through-hole and the fourth through-hole. By adopting the design, the service life of the bucket tooth can be prolonged, and the production cost is reduced.

Description

Excavator bucket tooth

Technical Field

The utility model relates to an excavator technical field, concretely relates to excavator bucket tooth.

Background

The excavator bucket tooth comprises a tooth holder fixed with the excavator bucket in a welding mode and a tooth tip fixed with the tooth holder in a connecting mode. In the working process, the tooth tip can be in long-term frictional contact with substances such as excavated sediment and the like, and can form serious abrasion after being used for a period of time, so that the tooth tip needs to be replaced. In the prior art, after the tooth tip is worn and scrapped, the tooth tip needs to be integrally replaced, so that great waste is caused; meanwhile, the toothholder can also cause abrasion in the use process, although the abrasion speed is not as fast as the tooth tip, the toothholder still can cause serious abrasion in the long-term use process and needs to be replaced, the existing toothholder is usually fixed with the excavator bucket through welding, and the replacement is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a can prolong bucket tooth life, practice thrift manufacturing cost's excavator bucket tooth.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an excavator bucket tooth which characterized in that: the excavator bucket tooth holder comprises a tooth holder and a tooth tip, wherein the tooth holder comprises a clamping part connected with an excavator bucket and a connecting seat matched and connected with the tooth tip, and a first through hole is transversely formed in the connecting seat; the tooth tip comprises a tooth tip seat connected with the connecting seat and a tooth tip arranged at the front end of the tooth tip seat, a connecting groove sleeved outside the connecting seat is formed in the tooth tip seat, extending walls covering the clamping part are formed on the upper side and the lower side of the connecting groove in the tooth tip seat, and a second through hole coaxial with the first through hole is formed in the tooth tip seat; the tooth point seat front end is equipped with the mounting groove, the tooth point seat is equipped with the third through-hole at second through-hole front end, the third through-hole runs through the mounting groove, tooth point tip rear end be equipped with mounting groove assorted linking arm, have the fourth through-hole with the coaxial setting of third through-hole on the linking arm, the cover is equipped with first connecting piece in first through-hole and the second through-hole, the cover is equipped with the second connecting piece in third through-hole and the fourth through-hole.

Furthermore, the cross section of the mounting groove is square, and the cross section of the connecting arm is correspondingly square to prevent the connecting arm from rotating relative to the mounting groove.

Further, the first connecting piece is a pin. The use of pins for attachment is a relatively common practice.

Further, the second connecting piece comprises a first connecting post rod and a second connecting post, a screw hole is formed in one end, close to the inner side, of the first connecting post, a screw rod in threaded connection with the screw hole is arranged at one end, close to the inner side, of the second connecting post, radially protruding bosses are arranged at the outer ends of the first connecting post and the second connecting post, and regular hexagonal grooves are formed in the middle of the bosses; the diameter of the outer end of the third through hole is larger than the inner diameter so as to limit the boss. The first connecting column and the second connecting column which are connected through threads are fixedly connected, so that the device is convenient to detach and operate.

Further, the end of the extension wall is provided with a slope for smooth transition with the clamping portion.

Compared with the prior art, the utility model has the advantages of it is following: the tooth point is arranged into the tooth point seat and the tooth point head, and after the tooth point head is worn and scrapped, only the tooth point head needs to be replaced without replacing the whole tooth point, so that materials can be saved, waste is avoided, and meanwhile, the production cost is saved; the tooth point seat is provided with the two extending walls for coating the clamping parts, so that the tooth point seat can be protected, the replacement frequency of the tooth point seat is reduced, and more time and labor are consumed due to the fact that the tooth point seat needs to be replaced by detaching and welding, so that manpower and material resources can be saved, and the use and maintenance cost of the excavator is reduced; the first connecting column and the second connecting column which are connected through threads are used for fixedly connecting the tooth tip seat and the tooth tip, so that the tooth tip seat is convenient to detach and convenient to operate.

Drawings

Fig. 1 is a schematic structural view of an excavator bucket tooth according to a preferred embodiment of the present invention;

fig. 2 is an explosion structure diagram of the excavator bucket tooth according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the terms of orientation and positional relationship indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of protection of the present invention.

As shown in fig. 1 to 2, which are schematic structural views of a preferred embodiment of the present invention, as shown in the drawings, the excavator tooth includes a tooth holder 1 and a tooth tip 2, the tooth holder 1 includes a clamping portion 11 connected to an excavator (not shown in the drawings) and a connecting seat 12 connected to the tooth tip 2 in a matching manner, and a first through hole 13 is transversely formed in the connecting seat 12; the tooth tip 2 comprises a tooth tip seat 21 connected with the connecting seat 12 and a tooth tip 22 arranged at the front end of the tooth tip seat 21, a connecting groove sleeved outside the connecting seat 12 is formed in the tooth tip seat 21, extending walls 29 covering the clamping part 11 are formed on the upper side and the lower side of the connecting groove of the tooth tip seat 21, and a second through hole 23 which is coaxial with the first through hole 13 is formed in the tooth tip seat 21; tooth point seat 21 front end is equipped with mounting groove 24, tooth point seat 21 is equipped with third through-hole 25 at second through-hole 23 front end, third through-hole 25 runs through mounting groove 24, tooth point 22 rear end be equipped with mounting groove 24 assorted connecting arm 26, have the fourth through-hole 27 with the coaxial setting of third through-hole 25 on the connecting arm 26, the cover is equipped with first connecting piece in first through-hole 13 and the second through-hole 23, the cover is equipped with the second connecting piece in third through-hole 25 and the fourth through-hole 27.

Because the toothholder 1 and the bucket 2 are welded and fixed, if the toothholder is worn seriously, the replacement is troublesome, so the design idea is carried out according to the wearing speed of the bucket teeth in work and the convenience of disassembly. Although the abrasion of the tooth holder 1 is small relative to the tooth tip 2, the original welding slag needs to be cleaned up during replacement, which is very troublesome, the abrasion is reduced as much as possible, and the replacement frequency is reduced, so that the tooth tip holder 21 is protected by arranging the extension wall 29, and the tooth tip holder is replaced less or not; the front end part of the bucket tooth is the position which is most easily worn and needs to be frequently replaced, so the tooth tip 2 is designed into the tooth tip 22 and the tooth tip seat 21, when the tooth tip 22 is replaced, the tooth tip seat 21 does not need to be replaced, the price of the tooth tip 22 is low, the replacement is convenient, and the cost can be saved. In actual use, the tip 22 can be replaced half a year to a year, the tip seat is typically replaced two to three years, and the seat is typically not replaced or replaced during overhaul.

In this embodiment, the first connecting member is a pin 3. The second connecting piece comprises a first connecting post rod 41 and a second connecting post 42, a screw hole (not shown in the figure) is formed in one end, close to the inner side, of the first connecting post 41, a screw rod 43 in threaded connection with the screw hole is formed in one end, close to the inner side, of the second connecting post 42, bosses 44 protruding in the radial direction are formed in the outer ends of the first connecting post 41 and the second connecting post 42, and a regular hexagonal groove 45 is formed in the middle of each boss 44 so as to facilitate screwing or unscrewing during mounting and dismounting; the outer end diameter of the third through hole 25 is larger than the inner diameter so as to limit the boss 44. The first connecting column 41 and the second connecting column 42 which are connected through threads are connected and fixed, so that the device is convenient to detach and operate.

In this embodiment, the section of the mounting groove 24 is square, and the section of the connecting arm 26 is correspondingly square to prevent the connecting arm 26 from rotating relative to the mounting groove 24.

In this embodiment, the end of the extension wall 29 is provided with a bevel 28 to facilitate a smooth transition with the grip 11.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an excavator bucket tooth which characterized in that: the excavator bucket tooth holder comprises a tooth holder and a tooth tip, wherein the tooth holder comprises a clamping part connected with an excavator bucket and a connecting seat matched and connected with the tooth tip, and a first through hole is transversely formed in the connecting seat; the tooth tip comprises a tooth tip seat connected with the connecting seat and a tooth tip arranged at the front end of the tooth tip seat, a connecting groove sleeved outside the connecting seat is formed in the tooth tip seat, extending walls covering the clamping part are formed on the upper side and the lower side of the connecting groove in the tooth tip seat, and a second through hole coaxial with the first through hole is formed in the tooth tip seat; the tooth point seat front end is equipped with the mounting groove, the tooth point seat is equipped with the third through-hole at second through-hole front end, the third through-hole runs through the mounting groove, tooth point tip rear end be equipped with mounting groove assorted linking arm, have the fourth through-hole with the coaxial setting of third through-hole on the linking arm, the cover is equipped with first connecting piece in first through-hole and the second through-hole, the cover is equipped with the second connecting piece in third through-hole and the fourth through-hole.

2. The excavator tooth of claim 1, wherein: the cross-section of mounting groove is square, what the cross-section of linking arm corresponds sets up to square in order to prevent that the relative mounting groove of linking arm from rotating.

3. The excavator tooth of claim 2, wherein: the first connecting piece is a pin.

4. The excavator tooth of claim 3, wherein: the second connecting piece comprises a first connecting post rod and a second connecting post, a screw hole is formed in one end, close to the inner side, of the first connecting post, a screw rod in threaded connection with the screw hole is formed in one end, close to the inner side, of the second connecting post, radially protruding bosses are arranged at the outer ends of the first connecting post and the second connecting post, and regular hexagonal grooves are formed in the middle of the bosses; the diameter of the outer end of the third through hole is larger than the inner diameter so as to limit the boss.

5. The excavator tooth of claim 1, wherein: the end of the extension wall is provided with a bevel to facilitate a smooth transition with the grip.