JP3676530B2 - Drilling bucket equipment - Google Patents

Drilling bucket equipment Download PDF

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Publication number
JP3676530B2
JP3676530B2 JP35920596A JP35920596A JP3676530B2 JP 3676530 B2 JP3676530 B2 JP 3676530B2 JP 35920596 A JP35920596 A JP 35920596A JP 35920596 A JP35920596 A JP 35920596A JP 3676530 B2 JP3676530 B2 JP 3676530B2
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Japan
Prior art keywords
tooth
end portion
view
height
bucket
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JP35920596A
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JPH10183698A (en
Inventor
邦彦 今西
仁 余喜多
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Komatsu Ltd
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Komatsu Ltd
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2833—Retaining means, e.g. pins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/285—Teeth characterised by the material used
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2858—Teeth characterised by shape

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、油圧ショベル等の建設機械の掘削バケット装置に係り、特に、先端上面部に超硬質粒子を分散、鋳ぐるみして摩耗寿命の長いツースを用いた掘削バケット装置に関する。
【０００２】
【従来の技術】
油圧ショベル等の建設機械の掘削用バケットのツースは図１に示すように、バケット１の先端部に固設された複数個のツース取付用アダプタ２に、それぞれ刃部となるツース３がピン４を介して取着されている。
【０００３】
図８はツース取付用アダプタ２を挿入して取着した従来のツース２０の側面断面図、図９は平面図、図１０は図８のＢ−Ｂ断面図である。
図８および図９において、ツース３０の先端部２１は食い込みを良くするために尖った形状にしてあり、基端部に向かって順次高さを増すほぼＶ字形状をしている。そして、後端部にはツース取付用アダプタ２に挿入する挿入穴３２およびピン４を挿入するピン穴３３が設けられている。ツース３０の断面形状は図１０に示すように矩形断面である。
ツース３０を取着するときは、ツース取付用アダプタ２に挿入穴３２に挿入し、ピン穴３３にピン４を挿入してツース取付用アダプタ２に貫通し、抜け止めとしている。
【０００４】
ツースについては従来から各種の提案がなされているが、その一例としては特開平７−３０３９５６号および実公平７−２７４２号がある。
【０００５】
本特許出願人が先に出願している特開平７−３０３９５６号は、ツース鋳造時に、ツースの先端上面部に超硬質粒子を分散、鋳ぐるむ製造方法に関するものであり、ツース上面部の摩耗寿命の向上を目的としたものである。
【０００６】
また、本特許出願人が先に出願している実公平７−２７４２号は、ツースの幅方向において中間部は厚肉で、その外側は薄肉にしたほぼ十字型の断面形状とし、摩耗を幅方向の両端から生じさせて中間部を摩耗しにくくし、シャープエッジを確保して切れ味を持続させようとするものである。
【０００７】
【発明が解決しようとする課題】
しかしながら、一般に岩質が硬いときには図１１に示すようにバケット１を岩盤面３０に対して傾け、最外側のツース３０Ａを岩に集中的に食い込ませてくずす作業を行う。そのため図１２のバケット全体のツースの摩耗状態を示す図の斜線部に示すようにバケット１の両外側のツース３０Ａと３０Ｅが早期に摩耗する。しかも外側が早く摩耗して片べりし、図１３に示すようにツース３０の側面に穴３４があいてツース取付用アダプタ２が損傷する。
また、図１４に示すようにツース３０の挿入穴３２（図８に示す）の入口部の上面３５は岩や砂が矢印Ｋのように流れるため、削られて摩耗し、図１５に示すようにＰ部が摩耗してツース取付用アダプタ２が露出し、この部分を損傷せしめるとの問題がある。
【０００８】
上記の問題点に対しては、前記の特開平７−３０３９５６号および実公平７−２７４２号は効果を発揮しない。
【０００９】
本発明は上記の問題点に着目してなされたもので、ツース側面部の片べりを少なくするとともに、ツース取付用アダプタの挿入穴の入口部の摩耗寿命を延長してツース取付用アダプタを損傷する恐れの少ない、寿命の長い掘削バケット装置を提供することを目的としている。
【００１０】
【課題を解決するための手段および作用効果】
上記の目的を達成するために、本発明に係る掘削バケット装置の第１発明は、建設機械の掘削用バケットの先端に固設されたツース取付用アダプタと、このアダプタの基端部に挿入して取着し、側面視が先端部から基端部に向かって順次高さを増すほぼＶ字形状のツースとを備えた掘削バケット装置において、ツースの幅方向の両端部の上下に、側面視で先端部から基端部に向かって順次高さを増していき基端部近傍で該高さを減らす第１の壁部を設けるとともに、ツース取付用アダプタが挿入される挿入口の上下の縁部に、所要の高さの第２の壁部を設け、さらに両側面の中央部にツース先端部の幅より広い幅になるような隆起部を有する掘削用ツースを設けた構成としたものである。
上記構成によれば、ツース側面の肉厚が厚くなって摩耗代が増加し、かつ、表面積が広くなって発熱を抑えることができるため、側面の摩耗寿命が大幅に長くなり、従ってツースの寿命は大幅に延長される。また、第２の壁部を設けたので、挿入穴の入口部の磨耗寿命が大幅に向上し、ツース取付用アダプタを損傷する恐れは減少する。
【００１１】
第２発明は、第１発明の構成において、前記ツースは鋳造品であり、その両側面に設けた前記隆起部は、超硬質粒子を分散鋳ぐるみした構成を有することを特徴とする。
上記構成によれば、両側面の隆起部には硬化層が形成され、第１発明の作用効果に加えて側面の摩耗寿命はさらに長くなり、摩耗によってツースに穴があいてツース取付用アダプタを損傷するという恐れは大幅に減少する。
【００１３】
【発明の実施の形態】
以下に本発明に係る掘削バケット装置の実施例について、図面を参照して詳述する。
図２はツースの側面断面図、図３は平面図、図４は斜視図であり、図５は図２のＡ−Ａ断面図である。
図２および図４において、ツース３は側面視が、先端部から基端部に向かって順次高さを増すほぼＶ字形状をしており、基端部にはツース取付用アダプタ２を挿入する挿入穴５およびピン４を挿入するピン穴６が設けられている。
図２乃至図５に示すように、ツース３の幅方向の両端部の上下には先端部から基端部に向かって順次高さを増す壁部１０Ａ，１０Ｂ，１０Ｃおよび１０Ｄが設けられるとともに、両側面の中央部にはツース３の先端部の幅Ｗ１より広い幅Ｗ２になるような隆起部１１Ａ，１１Ｂが設けられている。
【００１４】
本ツースは鋳造品であり、図４に示す隆起部１１Ｂの頂点の稜線部、すなわちハッチング部（図示しないが反対側の隆起部１１Ａも同様である）には、鋳造時に超硬質粒子を分散鋳ぐるみにして硬化層を形成している。
【００１５】
以下に、硬化層の形成方法について説明する。
図６は鋳型の平面断面図であり、鋳型２０は鋳型２１，２２から構成され、ツース３用の空隙部２７を形成している。
鋳型２１の両側面には複数個の保持部材２３が配置されている。そして、保持部材２３の一部は空隙部２７に突出するとともに、他部は鋳型２１に埋め込まれている。この保持部材２３は軟鋼、銅、ニッケルあるいは樹脂等の溶湯に溶融可能な材料が使用されている。保持部材２３には、タングステン炭化物（たとえばＷ2 Ｃ）系の超硬合金粒２４と黒鉛粉末２５からなる硬化層形成材２６が充填されている。
【００１６】
上記のような鋳型２０に鋳鋼溶湯を注入する。溶湯を注入すると保持部材２３は溶融し、内部の硬化層形成材２６は溶湯と接触する。つぎに比重の大きいタングステン炭化物系の超硬合金粒２４はその表面が少し溶湯に溶解しつつ主に下方に移動して分散し、黒鉛粉末２５は主として溶湯に固溶して拡散する。これら分散、拡散は溶湯の冷却・凝固によりほぼ完了し、ツース３の鋳造品が得られる。
【００１７】
図７は鋳造後のツース３の模式的平面断面図であり、母材１３の中には前述の超硬合金粒２４および黒鉛粉末２５の分散、拡散部に部分的硬化層１４が形成される。
そのため、ツース３の両側面の中央部から先端部にかけて硬度が向上するとともに、表面積が増大しているために発熱が抑えられ、摩耗代も増加するため大幅な摩耗寿命の向上が図られる。
したがって、ツース３の側面が摩耗して穴があき、ツース取付用アダプタ２を損傷する恐れは大幅に減少する。
【００１８】
図２乃至図４に示すように、ツース３の基端部に設けられた挿入穴５の入口部の上下の縁部には高さＨの壁部１２Ａ、１２Ｂが設けられている。これによって挿入穴５の入口部の摩耗寿命は大幅に向上する。そのため、この部分に摩耗により穴があき、ツース取付用アダプタ２を損傷する恐れは減少する。
【００１９】
したがって、ツース３の全体寿命は大幅に向上し（従来のものに比して２．５倍の寿命が予想される）、ツース３の交換頻度も減少して大幅なコストの低減が図れる。
【図面の簡単な説明】
【図１】ツースを装着したバケットの斜視図である。
【図２】本発明のツースの側面断面図である。
【図３】同、平面図である。
【図４】同、斜視図である。
【図５】図２のＡ−Ａ断面図である。
【図６】本発明のツースを鋳造する鋳型の平面断面図である。
【図７】図６の鋳型により鋳造されたツース３の平面断面図である。
【図８】従来のツースの側面断面図である。
【図９】同、平面図である。
【図１０】図６のＢ−Ｂ断面図である。
【図１１】バケットによる岩盤掘削作業の説明図である。
【図１２】バケット全体のツースの摩耗状況を示す平面図である。
【図１３】片べりしたツースの平面図である。
【図１４】ツース上面の摩耗状況の説明図である。
【図１５】ツース上面の摩耗状況を示す斜視図である。
【符号の説明】
１ バケット
２ ツース取付用アダプタ
３ ツース
５ 挿入穴
１０Ａ，１０Ｂ，１０Ｃ，１０Ｄ，１２Ａ，１２Ｂ 壁部
１１Ａ，１１Ｂ 隆起部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an excavation bucket apparatus for construction machines such as a hydraulic excavator, and more particularly to an excavation bucket apparatus using a tooth having a long wear life by dispersing and casting ultra-hard particles on an upper surface portion of a tip.
[0002]
[Prior art]
As shown in FIG. 1, the tooth of a bucket for excavation of a construction machine such as a hydraulic excavator is provided with a plurality of tooth mounting adapters 2 fixed to the tip of the bucket 1, and a tooth 3 serving as a blade portion is a pin 4. Has been attached via.
[0003]
8 is a side sectional view of a conventional tooth 20 with the tooth mounting adapter 2 inserted and attached, FIG. 9 is a plan view, and FIG. 10 is a sectional view taken along line BB in FIG.
8 and 9, the distal end portion 21 of the tooth 30 has a pointed shape for better biting, and has a substantially V-shape that gradually increases in height toward the proximal end portion. The rear end is provided with an insertion hole 32 for insertion into the tooth mounting adapter 2 and a pin hole 33 for insertion of the pin 4. The cross-sectional shape of the tooth 30 is a rectangular cross section as shown in FIG.
When attaching the tooth 30, the tooth mounting adapter 2 is inserted into the insertion hole 32, the pin 4 is inserted into the pin hole 33, and the tooth mounting adapter 2 is penetrated to prevent the removal.
[0004]
Various proposals have been made for tooth, and examples thereof include Japanese Patent Application Laid-Open No. 7-303756 and Japanese Utility Model Publication No. 7-2742.
[0005]
Japanese Patent Application Laid-Open No. 7-303956 filed earlier by the present patent applicant relates to a manufacturing method in which ultra-hard particles are dispersed and cast on the upper surface of the tip of the tooth during the casting of the tooth. The purpose is to improve the service life.
[0006]
In addition, Japanese Utility Model Application No. 7-2742 previously filed by the applicant of the present patent application has an approximately cross-shaped cross-sectional shape in which the middle portion is thick in the width direction of the tooth and the outside thereof is thin, and wear is reduced. It is generated from both ends of the direction so that the middle part is not easily worn, and a sharp edge is secured to maintain the sharpness.
[0007]
[Problems to be solved by the invention]
However, generally, when the rock is hard, as shown in FIG. 11, the bucket 1 is tilted with respect to the rock surface 30, and the outermost tooth 30A is intensively cut into the rock and crushed. For this reason, the teeth 30A and 30E on both outer sides of the bucket 1 are quickly worn as indicated by the shaded portion in the figure showing the wear state of the teeth of the entire bucket in FIG. In addition, the outside wears out quickly and slips, and as shown in FIG. 13, there is a hole 34 on the side surface of the tooth 30 and the tooth mounting adapter 2 is damaged.
Further, as shown in FIG. 14, the upper surface 35 of the entrance portion of the insertion hole 32 (shown in FIG. 8) of the tooth 30 is shaved and worn because rocks and sand flow as shown by an arrow K, and as shown in FIG. Further, there is a problem that the P portion is worn and the tooth mounting adapter 2 is exposed, and this portion is damaged.
[0008]
With respect to the above problems, the above-mentioned Japanese Patent Application Laid-Open Nos. 7-303956 and 7-2742 are not effective.
[0009]
The present invention has been made by paying attention to the above-mentioned problems, and reduces the side slip of the tooth and extends the wear life of the inlet portion of the insertion hole of the tooth mounting adapter to damage the tooth mounting adapter. It is an object of the present invention to provide a long-life drilling bucket device that is less likely to occur.
[0010]
[Means for solving the problems and effects]
In order to achieve the above object, a first invention of a digging bucket apparatus according to the present invention is a tooth mounting adapter fixed to the tip of a digging bucket of a construction machine, and is inserted into a base end portion of the adapter. In the excavation bucket apparatus provided with a substantially V-shaped tooth that increases in height from the distal end portion toward the proximal end portion in a side view, And providing a first wall portion that gradually increases in height from the distal end portion toward the proximal end portion and reduces the height in the vicinity of the proximal end portion , and upper and lower edges of the insertion opening into which the tooth mounting adapter is inserted. in part, provided with a second wall portion of the required height, and further has a configuration in which a drilling tooth having a raised portion such that the width wider than the width of the tooth tip in the center of both side surfaces is there.
According to the above arrangement increases the wear allowance thickness of the tooth side is thicker, and it is possible to suppress the heat generation table area becomes wider, wear life aspect becomes much longer, thus tooth of Lifespan is greatly extended. Further, since the second wall portion is provided, the wear life of the inlet portion of the insertion hole is greatly improved, and the risk of damaging the tooth mounting adapter is reduced.
[0011]
The second invention is, in the configuration of the first invention, wherein the tooth is a casting, said raised portion provided on both side surfaces thereof is characterized by having the structure insert casting dispersed ultrahard particles.
According to the above configuration, the hardened layer is formed on the raised portions on both side surfaces, the wear life of the side surfaces is further increased in addition to the effects of the first invention, and there is a hole in the tooth due to wear, and the adapter for attaching the tooth The risk of damage is greatly reduced.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the excavation bucket device according to the present invention will be described in detail with reference to the drawings.
2 is a side sectional view of the tooth, FIG. 3 is a plan view, FIG. 4 is a perspective view, and FIG. 5 is a sectional view taken along the line AA of FIG.
2 and 4, the tooth 3 has a substantially V shape in which the height is gradually increased from the distal end portion toward the proximal end portion, and the tooth mounting adapter 2 is inserted into the proximal end portion. An insertion hole 5 and a pin hole 6 into which the pin 4 is inserted are provided.
As shown in FIGS. 2 to 5, wall portions 10A, 10B, 10C, and 10D that increase in height sequentially from the distal end portion toward the proximal end portion are provided above and below the both end portions in the width direction of the tooth 3. Raised portions 11 </ b> A and 11 </ b> B are provided at the center portions of both side surfaces so as to have a width W <b> 2 wider than the width W <b> 1 of the tip portion of the tooth 3.
[0014]
This tooth is a cast product, and super hard particles are dispersedly cast at the time of casting in the ridge line portion at the apex of the raised portion 11B shown in FIG. 4, that is, the hatched portion (not shown, but the raised portion 11A on the opposite side is the same). A hardened layer is formed as a whole.
[0015]
Below, the formation method of a hardened layer is demonstrated.
FIG. 6 is a plan sectional view of the mold, and the mold 20 is composed of the molds 21 and 22, and forms a gap 27 for the tooth 3.
A plurality of holding members 23 are arranged on both side surfaces of the mold 21. A part of the holding member 23 protrudes into the gap 27 and the other part is embedded in the mold 21. The holding member 23 is made of a material that can be melted into a molten metal such as mild steel, copper, nickel, or resin. The holding member 23 is filled with a hardened layer forming material 26 composed of tungsten carbide (for example, W 2 C) cemented carbide grain 24 and graphite powder 25.
[0016]
A molten cast steel is poured into the mold 20 as described above. When the molten metal is injected, the holding member 23 is melted, and the internal hardened layer forming material 26 comes into contact with the molten metal. Next, the tungsten carbide cemented carbide particles 24 having a large specific gravity move mainly downward while being slightly dissolved in the molten metal, and the graphite powder 25 is mainly dissolved and diffused in the molten metal. These dispersion and diffusion are almost completed by cooling and solidification of the molten metal, and a cast product of Tooth 3 is obtained.
[0017]
FIG. 7 is a schematic plan sectional view of the tooth 3 after casting. In the base material 13, the above-mentioned cemented carbide alloy particles 24 and graphite powder 25 are dispersed, and a partially hardened layer 14 is formed in the diffusion portion. .
Therefore, the hardness is improved from the center part to the tip part of both side surfaces of the tooth 3, and since the surface area is increased, heat generation is suppressed and the wear allowance is also increased, so that the wear life is greatly improved.
Therefore, the possibility that the side surface of the tooth 3 is worn and perforated and the tooth mounting adapter 2 is damaged is greatly reduced.
[0018]
As shown in FIGS. 2 to 4, wall portions 12 </ b> A and 12 </ b> B having a height H are provided at the upper and lower edges of the entrance portion of the insertion hole 5 provided at the base end portion of the tooth 3. As a result, the wear life of the inlet portion of the insertion hole 5 is greatly improved. For this reason, a hole is formed in this portion due to wear, and the risk of damaging the tooth mounting adapter 2 is reduced.
[0019]
Therefore, the overall life of the tooth 3 is greatly improved (a life that is 2.5 times longer than that of the conventional one is expected), and the replacement frequency of the tooth 3 is also reduced, thereby significantly reducing the cost.
[Brief description of the drawings]
FIG. 1 is a perspective view of a bucket equipped with a tooth.
FIG. 2 is a side cross-sectional view of the tooth of the present invention.
FIG. 3 is a plan view of the same.
FIG. 4 is a perspective view of the same.
5 is a cross-sectional view taken along the line AA in FIG.
FIG. 6 is a plan sectional view of a mold for casting the tooth of the present invention.
7 is a cross-sectional plan view of the tooth 3 cast by the mold of FIG. 6. FIG.
FIG. 8 is a side sectional view of a conventional tooth.
FIG. 9 is a plan view of the same.
10 is a cross-sectional view taken along the line BB in FIG.
FIG. 11 is an explanatory diagram of a rock excavation work using a bucket.
FIG. 12 is a plan view showing a state of tooth wear on the entire bucket.
FIG. 13 is a plan view of a tooth that has been slipped.
FIG. 14 is an explanatory diagram of a wear state on the upper surface of the tooth.
FIG. 15 is a perspective view showing a state of wear on the upper surface of the tooth.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bucket 2 Adapter for tooth attachment 3 Tooth 5 Insertion hole 10A, 10B, 10C, 10D, 12A, 12B Wall part 11A, 11B Raised part

Claims (2)

建設機械の掘削用バケットの先端に固設されたツース取付用アダプタと、このアダプタの基端部に挿入して取着し、側面視が先端部から基端部に向かって順次高さを増すほぼＶ字形状のツースとを備えた掘削バケット装置において、ツースの幅方向の両端部の上下に、側面視で先端部から基端部に向かって順次高さを増していき基端部近傍で該高さを減らす第１の壁部を設けるとともに、ツース取付用アダプタが挿入される挿入口の上下の縁部に、所要の高さの第２の壁部を設け、さらに両側面の中央部にツース先端部の幅より広い幅になるような隆起部を有する掘削用ツースを設けたことを特徴とする掘削バケット装置。Tooth mounting adapter fixed to the tip of a construction machine excavation bucket and inserted into the base end of this adapter for attachment, and the side view gradually increases in height from the tip to the base end In the excavation bucket device provided with the substantially V-shaped tooth, the height is gradually increased from the distal end portion to the proximal end portion in the side view in the upper and lower sides of both ends in the width direction of the tooth in the vicinity of the proximal end portion. A first wall portion for reducing the height is provided , a second wall portion having a required height is provided at the upper and lower edges of the insertion slot into which the tooth mounting adapter is inserted , and the center portions on both side surfaces are further provided . An excavation bucket device having an excavating tooth having a raised portion that is wider than the width of the distal end portion of the tooth. 請求項１記載の掘削バケット装置において、前記ツースは鋳造品であり、その両側面に設けた前記隆起部は、超硬質粒子を分散鋳ぐるみした構成を有することを特徴とする掘削バケット装置。In excavating bucket according to claim 1, wherein said tooth is casting, said raised portion provided on both side surfaces thereof, the bucket apparatus characterized by having the configuration insert casting dispersed ultrahard particles.
JP35920596A 1996-12-26 1996-12-26 Drilling bucket equipment Expired - Fee Related JP3676530B2 (en)

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JP35920596A JP3676530B2 (en) 1996-12-26 1996-12-26 Drilling bucket equipment

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Application Number Priority Date Filing Date Title
JP35920596A JP3676530B2 (en) 1996-12-26 1996-12-26 Drilling bucket equipment

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JPH10183698A JPH10183698A (en) 1998-07-14
JP3676530B2 true JP3676530B2 (en) 2005-07-27

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Families Citing this family (19)

* Cited by examiner, † Cited by third party
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US6477796B1 (en) * 2000-07-06 2002-11-12 Caterpillar Inc Tooth assembly for implements
JOP20190303A1 (en) 2006-02-17 2017-06-16 Esco Group Llc Wear assembly
US8061064B2 (en) 2007-05-10 2011-11-22 Esco Corporation Wear assembly for excavating equipment
US8191291B2 (en) * 2008-07-09 2012-06-05 Esco Corporation Wear member for excavating equipment
KR100937341B1 (en) 2009-10-22 2010-01-20 주식회사 태강기업 Grapple tooth for Crane-grab
EP2494113B1 (en) 2009-10-30 2019-03-06 ESCO Group LLC Wear assembly for excavating equipment
BR112013002053A2 (en) * 2010-07-29 2018-01-30 Bradken Resources Pty Ltd dig tooth set
US20120297649A1 (en) * 2011-05-27 2012-11-29 Caterpillar, Inc. Ground engaging tool tooth tip
US8943717B2 (en) 2011-10-08 2015-02-03 Caterpillar Inc. Implement tooth assembly with tip and adapter
US9062436B2 (en) 2011-10-07 2015-06-23 Caterpillar Inc. Implement tooth assembly with tip and adapter
US9057177B2 (en) 2011-10-08 2015-06-16 Caterpillar Inc. Implement tooth assembly with tip and adapter
US8943716B2 (en) 2011-10-10 2015-02-03 Caterpillar Inc. Implement tooth assembly with tip and adapter
ITUD20120134A1 (en) * 2012-07-25 2014-01-26 F A R Fonderie Acciaierie Roiale S P A PROCEDURE FOR THE MANUFACTURE OF STEEL JETS AND STEEL JETS SO MADE
CN107654230A (en) * 2017-10-28 2018-02-02 浙江华莎驰机械有限公司 A kind of mining bucket tooth
CL2018000987A1 (en) * 2018-04-17 2018-10-05 Soc Comercial E Industrial Foresta Limitada Linear penetration and excavation system for an electric shovel bucket
KR102279475B1 (en) * 2018-10-10 2021-07-20 성보공업주식회사 Device for casting bucket of excavator, preparation method for bucket of excavator using the same and bucket for excavator prepared therefrom
CN113302365B (en) * 2019-01-11 2023-03-10 蒂森克虏伯工业解决方案股份公司 Tooth for mounting to an excavator bucket
DE112021000685T5 (en) * 2020-04-09 2023-01-05 Komatsu Ltd. Wear-resistant component
CN111719613A (en) * 2020-07-24 2020-09-29 三一重机有限公司 Excavator bucket and excavator

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