JP4642484B2 - Tooth for bucket with tooth and bucket for heavy machinery - Google Patents

Tooth for bucket with tooth and bucket for heavy machinery Download PDF

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JP4642484B2
JP4642484B2 JP2005010300A JP2005010300A JP4642484B2 JP 4642484 B2 JP4642484 B2 JP 4642484B2 JP 2005010300 A JP2005010300 A JP 2005010300A JP 2005010300 A JP2005010300 A JP 2005010300A JP 4642484 B2 JP4642484 B2 JP 4642484B2
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tooth
bucket
adapter
leveling plate
fitting
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JP2006200136A (en
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直道 小野寺
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株式会社オノデラ
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Description

本発明は、ツース付きバケット及び重機のバケット用のツースに関する。 The present invention relates to a toothed bucket and a heavy machine bucket .

本願発明のバケット用のツースに関連する先行技術文献情報としては、たとえば、下記特許文献１から特許文献３のものが有る。
特開平１０−２５９６２０号公報 特開平１１−１４８１４９号公報 特開平９−１３７４７７号公報 As prior art document information related to the tooth for a bucket of the present invention, for example, there are the following Patent Document 1 to Patent Document 3.
Japanese Patent Laid-Open No. 10-259620 JP 11-148149 A JP-A-9-137477

ところで、前記特許文献１ないし特許文献３に記載のものは、ツースをバケットのアダプターに対して固定する固定手段が、嵌合部の上部から固定及び固定解除操作するものであり、嵌合部の上部に露出している
しかしながら、固定手段が前記のような構成であると、整地作業中において地面の土砂や石等が固定手段に接触し、この接触により作業中に固定解除されてツースが脱落する可能性が有る。 By the way, as for the thing of the said patent document 1 thru | or patent document 3, the fixing means which fixes a tooth with respect to the adapter of a bucket performs fixing and releasing operation from the upper part of a fitting part, However, if the fixing means is configured as described above, the earth and sand, stones, etc. of the ground come into contact with the fixing means during the leveling work, and the contact is released during the work and the tooth falls off. There is a possibility to do.

そこで本発明は、整地作業中におけるツースの脱落を防止することを課題とし、この課題を解決する重機のバケット用のツースの提供を目的とする。   Therefore, an object of the present invention is to provide a tooth for a bucket of a heavy machine that solves this problem by preventing the drop of the tooth during leveling work.

本発明は、一つには、先端部分にアダプター部を備えたバケットと該アダプター部に着脱可能に取り付けられるツースを備えたツース付きバケットであって、前記ツースは前記アダプター部に嵌合する嵌合部と該嵌合部に一体形成された整地板とを備え、前記嵌合部の側部に形成された貫通孔と前記アダプター部の側部に形成された貫通孔と前記両貫通孔に貫通状に嵌合して前記嵌合部を前記アダプター部に連結するロックピンとで構成される固定手段が設けられ、前記ツースにおける整地板の左右端部を先端から後端へ高くなるように傾斜させて、当該ツースの左右端部の表面が前記バケットのサイドカッターの下端部に近接または接触するように構成されていることを特徴とする。 One aspect of the present invention is a bucket with a tooth including a bucket having an adapter portion at a tip portion and a tooth detachably attached to the adapter portion, and the tooth is fitted into the adapter portion. A mating portion and a leveling plate formed integrally with the fitting portion; and a through hole formed in a side portion of the fitting portion, a through hole formed in a side portion of the adapter portion, and the both through holes. A fixing means is provided that includes a lock pin that fits through and connects the fitting portion to the adapter portion, and the left and right end portions of the leveling plate in the tooth are inclined so as to increase from the front end to the rear end. And the surface of the right-and-left end part of the said tooth | gear is comprised so that it may adjoin or contact the lower end part of the side cutter of the said bucket, It is characterized by the above-mentioned.

また、本発明は、前述したツース付きバケットにおいて、前記ツースは、前記嵌合部と前記整地板を個別に備えた複数のツース部からなり、左右端部の各ツース部における整地板部を先端から後端へ高くなるように傾斜させていることを特徴とする。  Further, the present invention provides the above-described bucket with a tooth, wherein the tooth includes a plurality of tooth portions individually provided with the fitting portion and the leveling plate, and the leveling plate portion in each tooth portion at the left and right end portions is a tip. It is made to incline so that it may become high from a rear end.

また、本発明は、サイドカッターを備えたバケットの先端部分に着脱可能に取り付けられるツースにおいて、前記バケットの先端部分に設けられるアダプター部に嵌合する嵌合部と該嵌合部に一体形成された整地板とを備え、前記整地板は、左右端部の表面が前記サイドカッターの下端部に近接または接触するように、左右端部を先端から後端へ高くなるように傾斜させていることを特徴とする。  Further, the present invention is a tooth that is removably attached to a tip portion of a bucket provided with a side cutter, and is integrally formed with a fitting portion that fits into an adapter portion provided at the tip portion of the bucket. The leveling plate is inclined so that the left and right end portions become higher from the front end to the rear end so that the surfaces of the left and right end portions are close to or in contact with the lower end portion of the side cutter. It is characterized by.

本発明によれば、下記の優れた効果が期待できる。
固定手段が嵌合部の側部から固定操作及び固定解除操作するものであるので、整地作業中においてツースの脱落を防止することができる。また、ツースにおける整地板とサイドカッターとの隙間を小さくまたは無くすことによって、整地中にバケット側部位からの土砂の流出を抑制し、より確実な整地を行うことができる。また、ツースの着脱が迅速に行える効果が有り、ツースの破損時において破損したツースのみを交換すればよいので、ツース全体を交換することに比べて部品コストの低減が期待できる。 According to the present invention, the following excellent effects can be expected.
Since the fixing means performs the fixing operation and the fixing release operation from the side portion of the fitting portion, it is possible to prevent the tooth from falling off during the leveling work. Further, by reducing or eliminating the gap between the leveling plate and the side cutter in the tooth, it is possible to suppress the outflow of earth and sand from the bucket side part during leveling, and perform more reliable leveling. In addition, there is an effect that the tooth can be quickly attached and detached, and it is only necessary to replace the damaged tooth when the tooth is broken. Therefore, the cost of parts can be expected to be reduced as compared with replacing the whole tooth.

以下、本発明の重機のバケット用のツースを実施するための最良の形態を図面に基づいて説明する。
図１〜図４は、本発明の第１の形態を示し、図５は、本発明の第２の形態を示す。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The best mode for carrying out a tooth for a bucket of a heavy machine according to the present invention will be described below with reference to the drawings.
1 to 4 show a first embodiment of the present invention, and FIG. 5 shows a second embodiment of the present invention.

(第１の形態)
第１の形態のツース１は、バケットＡの先端部に固着された複数(図示では５個)のアダプター部２の一個毎に装着するピース状のものである。
前記ツース１は、第１ツース部１１〜第５ツース部１２から構成され、第１ツース部１１を第１アダプター部２１に、第２ツース部１２を第２アダプター部２２に、第３ツース部１３を第３アダプター部２３に、第４ツース部１４を第４アダプター部２４に、第５ツース部１５を第５アダプター部２５に装着することによって、一枚の板状を呈する整地板３を備えたツース１が構成される。 (First form)
The tooth 1 of the first form is a piece-like one that is attached to each of a plurality (five in the drawing) of adapter portions 2 fixed to the tip of the bucket A.
The tooth 1 includes a first tooth portion 11 to a fifth tooth portion 12, the first tooth portion 11 as a first adapter portion 21, the second tooth portion 12 as a second adapter portion 22, and a third tooth portion. 13 is attached to the third adapter part 23, the fourth tooth part 14 is attached to the fourth adapter part 24, and the fifth tooth part 15 is attached to the fifth adapter part 25. The provided tooth 1 is configured.

第１ツース部１１は、ツース１の一端部を構成するものであり、第５ツース部１５は、ツース１の他端部を構成するものである。
また、第２ツース部１２〜第４ツース部１４は、ツース１の前記第１ツース部１１と第５ツース部１５間の部位を構成するものである。
前記各ツース部は、前記各アダプター部に嵌合する嵌合部４と、前記整地板３の一部を構成する整地板部３１と、嵌合部４と第１アダプター部２１の装着状態を固定及び固定解除する固定手段５とから構成されている。 The first tooth portion 11 constitutes one end portion of the tooth 1, and the fifth tooth portion 15 constitutes the other end portion of the tooth 1.
Further, the second tooth portion 12 to the fourth tooth portion 14 constitute a portion between the first tooth portion 11 and the fifth tooth portion 15 of the tooth 1.
Each of the tooth portions includes a fitting portion 4 fitted to each adapter portion, a leveling plate portion 31 constituting a part of the leveling plate 3, and a fitting state of the fitting portion 4 and the first adapter portion 21. It comprises fixing means 5 for fixing and unfixing.

前記各アダプター部は、バケットＡの先端部から前方へ突出するように固着され、突出部分に前記嵌合部４が嵌合する。
各アダプター部の側部には、前記固定手段５の一部を構成する貫通孔５１が開孔されている。
前記嵌合部４には、前方から両側部に亘って一体的に前記整地板部３１が連設され、前記各アダプター部に装着した際に隣り合う整地板部３１同士が重なり合うように設けられている。
前記重なり合う整地板部３１の一方の表面と他方の裏面には、重なり合った際に段差を吸収するための重合段部３２が形成され、当該重合段部３２同士が重なり合うことによって前記各ツース部を装着した際に表面に段差の無い一枚の板状を呈する整地板３が形成される。
また、前記第１ツース部１１と第５ツース部１５における整地板部３１の端部を、先端から後端へ高くなるように傾斜させて、その端部の表面をバケットＡのサイドカッターＡ１の下端部に近接するように形成している。
また、嵌合部４には、その後端に前記各アダプター部に適合する形状の凹部４１が凹設され、側部には、前記固定手段５の一部を構成する貫通孔５２が開孔されている。
前記貫通孔５２は、前記貫通孔５１と、嵌合部４が対応するアダプター部に嵌合した状態において連通するように形成されている。 Each adapter part is fixed so as to protrude forward from the tip of the bucket A, and the fitting part 4 is fitted to the protruding part.
A through-hole 51 that constitutes a part of the fixing means 5 is opened in a side portion of each adapter portion.
The leveling plate portion 31 is integrally connected to the fitting portion 4 from the front to both sides, and is provided so that the adjacent leveling plate portions 31 overlap each other when the adapter portion is attached. ing.
On one surface and the other back surface of the overlapping leveling plate portion 31, a superposition step portion 32 is formed for absorbing a step when they overlap, and the superposition step portions 32 are overlapped with each other to form each tooth portion. The ground leveling plate 3 having a single plate shape with no step on the surface when mounted is formed.
Further, the end portions of the leveling plate portion 31 in the first tooth portion 11 and the fifth tooth portion 15 are inclined so as to increase from the front end to the rear end, and the surfaces of the end portions of the side cutter A1 of the bucket A are It forms so that it may adjoin to a lower end part.
Further, the fitting portion 4 is provided with a concave portion 41 having a shape adapted to each adapter portion at the rear end thereof, and a through hole 52 constituting a part of the fixing means 5 is opened in the side portion. ing.
The through hole 52 is formed to communicate with the through hole 51 in a state where the fitting portion 4 is fitted to the corresponding adapter portion.

前記固定手段５は、前記両貫通孔５１，５２と、当該貫通孔５１，５２に貫通状に嵌合して嵌合部４を前記各アダプター部に連結するためのロックピン５３とで構成されている(図３参照)。
前記ロックピン５３には、前記嵌合部４と各アダプター部との連結状態を保持する保持部(図示せず)が設けられている。
なお、前記保持部は、たとえば、ボルト・ナットで締め付けることによってロックピン５３を前記貫通孔５１，５２に固定する構成や、ボルトを締め付けることによってロックピン５３の側部が突出し、当該側部が前記貫通孔５１，４２の内面に押し付けられるその押し付け力によって固定する構成等により達成できる。 The fixing means 5 includes the through holes 51 and 52 and lock pins 53 for fitting the through holes 51 and 52 in a penetrating manner to connect the fitting part 4 to the adapter parts. (See FIG. 3).
The lock pin 53 is provided with a holding portion (not shown) that holds the connection state between the fitting portion 4 and each adapter portion.
For example, the holding portion may be configured such that the lock pin 53 is fixed to the through holes 51 and 52 by tightening with bolts and nuts, or the side portion of the lock pin 53 protrudes when the bolt is tightened. This can be achieved by a structure that is fixed by the pressing force pressed against the inner surfaces of the through holes 51 and 42.

(第２の形態)
第２の形態のツース１は、図５に示すように、すべての嵌合部４を整地板３によって一体に連設されているものである。
すなわち、前記第１の形態のツースは、前記各ツース部をそれぞれ嵌合突起４Ａへ嵌合することによってツースが構成されるものであるのに対して、第２の形態のツース１は、嵌合部４と整地板３が一体形成されてなるものであり、前記各アダプター部に対する着脱が迅速に行えるものである。
また、本形態のツース１の整地板３における左右端部の整地板部３１を先端から後端へ高くなるように傾斜させて、その端部の表面をバケットＡのサイドカッターＡ１の下端部に近接するように形成している。
なお、固定手段５および嵌合部４の構成は前記第１の形態と同様であるので、同符号を付すことにより説明は省略した。 (Second form)
As shown in FIG. 5, the tooth 1 of the second form is one in which all the fitting portions 4 are integrally connected by a leveling plate 3.
That is, the tooth of the first form is configured by fitting each of the tooth portions to the fitting projection 4A, whereas the tooth 1 of the second form is fitted. The joint portion 4 and the leveling plate 3 are integrally formed, and can be quickly attached to and detached from each adapter portion.
Further, the leveling plate portions 31 at the left and right end portions of the leveling plate 3 of the tooth 1 of the present embodiment are inclined so as to increase from the front end to the rear end, and the surface of the end portion is set to the lower end portion of the side cutter A1 of the bucket A. It forms so that it may adjoin.
In addition, since the structure of the fixing means 5 and the fitting part 4 is the same as that of the said 1st form, description was abbreviate | omitted by attaching | subjecting the same code | symbol.

なお、本発明は、例示した実施の形態に限定するものでは無く、特許請求の範囲の各項に記載された内容から逸脱しない範囲の構成による実施が可能である。   It should be noted that the present invention is not limited to the illustrated embodiments, and can be implemented with configurations within a range that does not deviate from the contents described in the respective claims.

本発明に係る第１の形態のツースの分解斜視図。The disassembled perspective view of the tooth of the 1st form which concerns on this invention. ツースを取り付けた平面図。The top view which attached the tooth. ツースを取り付けた側面図。The side view which attached the tooth. ツースを取り付けた正面図。The front view which attached the tooth. 本発明に係るツースの斜視図。The perspective view of the tooth which concerns on this invention.

符号の説明Explanation of symbols

Ａ：バケット
１：ツース
２：アダプター
３：整地板
４：嵌合部
４Ａ：嵌合突起
５：固定手段
１１：第１ツース部
１２：第２ツース部
１３：第３ツース部
１４：第４ツース部
１５：第５ツース部
２１：第１アダプター部
２２：第２アダプター部
２３：第３アダプター部
２４：第４アダプター部
２５：第５アダプター部
３１：整地板部
３２：重合段部
４１：凹部
５１：貫通孔
５２：貫通孔
５３：ロックピン A: bucket 1: tooth 2: adapter 3: leveling plate 4: fitting portion 4A: fitting protrusion 5: fixing means 11: first tooth portion 12: second tooth portion 13: third tooth portion 14: fourth tooth Part 15: 5th tooth part 21: 1st adapter part 22: 2nd adapter part 23: 3rd adapter part 24: 4th adapter part 25: 5th adapter part 31: Leveling plate part 32: Superposition step part 41: Recessed part 51: Through hole 52: Through hole 53: Lock pin

Claims (3)

先端部分にアダプター部を備えたバケットと該アダプター部に着脱可能に取り付けられるツースを備えたツース付きバケットであって、A bucket with a tooth including a bucket provided with an adapter portion at a tip portion and a tooth detachably attached to the adapter portion,
前記ツースは前記アダプター部に嵌合する嵌合部と該嵌合部に一体形成された整地板とを備え、The tooth includes a fitting portion that fits into the adapter portion, and a leveling plate that is integrally formed with the fitting portion,
前記嵌合部の側部に形成された貫通孔と前記アダプター部の側部に形成された貫通孔と前記両貫通孔に貫通状に嵌合して前記嵌合部を前記アダプター部に連結するロックピンとで構成される固定手段が設けられ、The through hole formed in the side portion of the fitting portion, the through hole formed in the side portion of the adapter portion, and the both through holes are fitted in a penetrating manner to connect the fitting portion to the adapter portion. A fixing means comprising a lock pin is provided,
前記ツースにおける整地板の左右端部を先端から後端へ高くなるように傾斜させて、当該ツースの左右端部の表面が前記バケットのサイドカッターの下端部に近接または接触するように構成されていることを特徴とするツース付きバケット。The left and right end portions of the leveling plate in the tooth are inclined so as to increase from the front end to the rear end, and the surface of the left and right end portions of the tooth is configured to be close to or in contact with the lower end portion of the side cutter of the bucket. Toothed bucket, characterized by 前記ツースは、前記嵌合部と前記整地板を個別に備えた複数のツース部からなり、左右端部の各ツース部における整地板部を先端から後端へ高くなるように傾斜させていることを特徴とする請求項１記載のツース付きバケット。The tooth includes a plurality of tooth portions individually provided with the fitting portion and the leveling plate, and the leveling plate portion in each tooth portion at the left and right end portions is inclined so as to increase from the front end to the rear end. The bucket with a tooth according to claim 1. サイドカッターを備えたバケットの先端部分に着脱可能に取り付けられるツースにおいて、
前記バケットの先端部分に設けられるアダプター部に嵌合する嵌合部と該嵌合部に一体形成された整地板とを備え、
前記整地板は、左右端部の表面が前記サイドカッターの下端部に近接または接触するように、左右端部を先端から後端へ高くなるように傾斜させていることを特徴とする重機のバケット用のツース。 In the tooth detachably attached to the tip of the bucket with a side cutter,
A fitting portion that fits into an adapter portion provided at a tip portion of the bucket, and a leveling plate that is integrally formed with the fitting portion,
The bucket for heavy machinery, wherein the leveling plate is inclined so that the left and right end portions become higher from the front end to the rear end so that the surfaces of the left and right end portions are close to or in contact with the lower end portion of the side cutter. Tooth.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0352290U (en) * 1989-09-29 1991-05-21
JP2000104293A (en) * 1998-09-30 2000-04-11 Yutani Heavy Ind Ltd Tooth connecting structure of excation backet
JP2001323518A (en) * 2000-05-16 2001-11-22 Okamoto Kaihatsu Kogyo:Kk Bucket used both as excavation and ground leveling device in civil engineering work shovel machine
JP2003147811A (en) * 2001-11-09 2003-05-21 Higuchi Seisakusho Co Ltd Excavating-cum-ground-leveling tool for bucket of shovel machine for civil engineering work

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0352290U (en) * 1989-09-29 1991-05-21
JP2000104293A (en) * 1998-09-30 2000-04-11 Yutani Heavy Ind Ltd Tooth connecting structure of excation backet
JP2001323518A (en) * 2000-05-16 2001-11-22 Okamoto Kaihatsu Kogyo:Kk Bucket used both as excavation and ground leveling device in civil engineering work shovel machine
JP2003147811A (en) * 2001-11-09 2003-05-21 Higuchi Seisakusho Co Ltd Excavating-cum-ground-leveling tool for bucket of shovel machine for civil engineering work

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