JP2003301476A - Back hoe attachment - Google Patents

Back hoe attachment

Info

Publication number
JP2003301476A
JP2003301476A JP2002110361A JP2002110361A JP2003301476A JP 2003301476 A JP2003301476 A JP 2003301476A JP 2002110361 A JP2002110361 A JP 2002110361A JP 2002110361 A JP2002110361 A JP 2002110361A JP 2003301476 A JP2003301476 A JP 2003301476A
Authority
JP
Japan
Prior art keywords
bucket
back hoe
claw
backhoe
gripping device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002110361A
Other languages
Japanese (ja)
Inventor
Akira Matsuda
晃 松田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP2002110361A priority Critical patent/JP2003301476A/en
Publication of JP2003301476A publication Critical patent/JP2003301476A/en
Pending legal-status Critical Current

Links

Abstract

<P>PROBLEM TO BE SOLVED: To provide a back hoe attachment which dispenses with mounting/ demounting works and which has more safety in the exchanging works as compared with conventional back hoes and which can grip an objective material in a simple work without fitting a catching device when such a large stone or roots of trees that can not be scraped up by a bucket come out while earth and sand are excavated by the back hoe. <P>SOLUTION: When the bucket of a back hoe rotates around a support point, a claw-shaped gripping device moves in the reverse direction against the rotary direction of the bucket and it can hold a material or remove it. When the back hoe is used for usual way, it is removed. The claw-shaped gripping device is fixed by a pin so as not to move. <P>COPYRIGHT: (C)2004,JPO

Description

【発明の詳細な説明】 【0001】 【発明が属する技術分野】本発明は、土の中より出土し
た固形物などを掴むための土木機械に関する。 【0002】 【従来の技術】従来、バックホーで土砂など掘削中、土
の中からバケットで掬えない大きさの石や木の根などが
出土した場合、バケットを取り外し、爪状の掴むための
装置を取り付け除去作業をしていた。 【0003】爪状の掴む装置は重量もあり、通常バック
ホーとは別であり、急遽必要な場合など何時でもバック
ホーの近くに有るとは限らず、倉庫より使用する現場ま
で運搬の必要がある。 【0004】取り付ける場合も、重量がありピンで固定
する作業も、正確に位置合わせが必要で難しく大変な作
業であった。 【0005】 【発明が解決しようとする課題】従来、バックホーの付
属装置として使用してきた、物を掴むための爪状の装置
は、通常バックホーと分離しており、確実に使用する事
が判っている時などはバックホーと一緒に運搬すれば良
いのだが、急遽必要な場合が多く必要になってから倉庫
に取りに行く事が多かった。 【0006】取り付ける場合にも、重量が有り正確に位
置をあわせ取り付けるのが大変だった。又、取り付け時
にも重量があり、危険性も伴う作業であった。 【0007】 【課題を解決するための手段】図面を参照し説明する。
斜線の部分1、2、3、5、10をバックホーのバケッ
トの部分及びバックホーの腕部分に取り付ける。 【0008】6の油圧シリンダーが延び、9のバケット
が7を支点に反時計回りに回転動作をする。このときバ
ケットに固定されている3が同じく7を支点に回転動作
をする。3の回転動作に伴い2の連結金具が動作し、2
の動作に伴い1が4を支点に時計回りに回転動作をす
る。従いバケット9が反時計回りに動作すると、爪状の
腕1が時計回りに動作するため、物を掴んだり放したり
する事が出来る。 【0009】爪状の腕1を使用しないときは2の連結金
具を取り外し、2で使用していたピンを図3の様に爪1
に開けてある穴8と10とをピンで固定して動作しない
ようにする。 【0010】本発明は、解決するためにかかる構造にす
る事で、取り付けられた状態で通常の掘削作業を行い、
土より出土した石などバケットで掬う事が出来ない場合
は図3の10に取り付けられているピンを抜き、図1の
ように、図1の2の連結金具にピンを取り付け使用す
る。 【0011】 【発明の実施の形態】次に、本発明の好ましい実施形態
を図を参照して説明する。図1は本発明を使用するとき
物を掴む前の爪が開いた状態の図であり、図2は物を掴
んだ状態の図である。図3は本発明の爪を使用しないと
き、取り外さず、バックホーの腕の部分に固定して通常
の掘削作業を行える状態の図である。 【0012】 【発明の効果】本発明は、上述のような構造にする事で
作用する。そのため建設現場など土砂掘削中にバケット
で掬う事が出来ない大きさの石、木の根などが出土して
も別の装置を取り付けることもなく除去作業が出来る様
になった。切り替え作業も簡単で別の装置を取り付ける
こともなく危険性もない、この様に目的を達成すること
が出来るようになった。
Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a civil engineering machine for grasping solids or the like unearthed from soil. 2. Description of the Related Art Conventionally, when rocks or tree roots of a size that cannot be scooped by a bucket are excavated from the soil while excavating earth and sand with a backhoe, a device for removing the bucket and grasping in the form of a claw is provided. I was doing the attachment removal work. A claw-shaped gripping device is heavy and is usually different from a backhoe, and is not always located near the backhoe at any time such as when it is required in a hurry, and must be transported from a warehouse to a site where it is used. [0004] In the case of mounting, the work of fixing with a pin which is heavy and heavy is a difficult and difficult work that requires accurate positioning. [0005] The claw-shaped device for grasping an object, which has been conventionally used as an auxiliary device of the backhoe, is usually separated from the backhoe, and has been found to be used reliably. When you are there, you can transport it with the backhoe, but in many cases you need it in a hurry and often go to the warehouse. [0006] Also in the case of mounting, it was heavy and it was difficult to accurately position and mount. In addition, the work was heavy and dangerous at the time of installation. A description will be given with reference to the drawings.
The hatched portions 1, 2, 3, 5, and 10 are attached to the backhoe bucket portion and the backhoe arm portion. The hydraulic cylinder 6 extends, and the bucket 9 rotates counterclockwise around 7 as a fulcrum. At this time, 3 fixed to the bucket also rotates around 7 as a fulcrum. With the rotation of 3, the connecting fitting 2 operates,
1 rotates clockwise with 4 as a fulcrum. Accordingly, when the bucket 9 operates counterclockwise, the claw-shaped arm 1 operates clockwise, so that the object can be grasped or released. When the claw-shaped arm 1 is not used, the connecting bracket 2 is removed and the pin used in 2 is used as shown in FIG.
Holes 8 and 10 are fixed with pins to prevent operation. According to the present invention, by adopting such a structure to solve the problem, a normal excavation work is performed in a mounted state,
When it is not possible to scoop with a bucket such as a stone excavated from the soil, the pin attached to 10 in FIG. 3 is pulled out, and as shown in FIG. 1, the pin is attached to the connection fitting 2 in FIG. Next, a preferred embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a state in which a nail is opened before grasping an object when using the present invention, and FIG. 2 is a diagram showing a state grasping an object. FIG. 3 is a view showing a state in which when the claw of the present invention is not used, it is fixed to the arm portion of the backhoe without being removed, and normal excavation work can be performed. The present invention operates by adopting the above-described structure. Therefore, even if stones, tree roots, and the like that cannot be scooped by a bucket during excavation at a construction site are excavated, the removal operation can be performed without installing another device. The switching operation is simple, there is no need to attach another device, and there is no danger, and the object can be achieved in this way.

【図面の簡単な説明】 【図1】本発明を使用するときの状態を示す。 【図2】目的物を掴んでいる状態を示す。 【図3】本発明を使用しない時の状態を示す。 【符号の説明】 1 爪 2 連結金具 3 バケット本体に固定された金具 4 1が回転する支点 5 バックホー腕に固定された金具 6 油圧シリンダー 7 バケットが回転する支点 8 1を固定する穴 9 バケット 10 8にピンをいれて1を固定するためのバックホー
腕に固定された金具 11 目的物
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a state when the present invention is used. FIG. 2 shows a state where an object is being grasped. FIG. 3 shows a state when the present invention is not used. [Description of Signs] 1 Claw 2 Connecting metal fitting 3 Metal fitting 4 fixed to bucket body 4 Support point for rotating 5 Metal fitting fixed to backhoe arm 6 Hydraulic cylinder 7 Hole 9 for fixing supporting point 8 1 for rotating bucket 9 Bucket 10 Hardware 11 fixed to backhoe arm for pinning 8 and fixing 1

Claims (1)

【特許請求の範囲】 【請求項1】バックホーのバケット開口部分側の腕に取
り付け、バケットが支点を中心に動作すると、バケット
の動く力でバケットの動きと反対方向に動作し、物を掴
むことが出来き、取り付けたまま簡単な切り替え作業で
使用出来る事を特徴とする爪状の装置。
Claims: 1. When a bucket is attached to an arm of a backhoe on an opening side of a backhoe and the bucket is operated about a fulcrum, the bucket is moved in a direction opposite to the movement of the bucket by a moving force of the bucket to grasp an object. A claw-shaped device that can be used for simple switching work while attached.
JP2002110361A 2002-04-12 2002-04-12 Back hoe attachment Pending JP2003301476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002110361A JP2003301476A (en) 2002-04-12 2002-04-12 Back hoe attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002110361A JP2003301476A (en) 2002-04-12 2002-04-12 Back hoe attachment

Publications (1)

Publication Number Publication Date
JP2003301476A true JP2003301476A (en) 2003-10-24

Family

ID=29393521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002110361A Pending JP2003301476A (en) 2002-04-12 2002-04-12 Back hoe attachment

Country Status (1)

Country Link
JP (1) JP2003301476A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200451302Y1 (en) 2008-12-31 2010-12-08 황규관 Claws for excavators fixed device
WO2011132819A1 (en) * 2010-04-20 2011-10-27 Jung Kyung-Rae Grapple device of excavator
KR101131524B1 (en) 2011-09-27 2012-04-24 주식회사 제이케이 Safety apparatus of gripper for a excavator
KR101498650B1 (en) * 2013-10-02 2015-03-11 주식회사 경원테크 Safety locking device of claws for excavators
CN105256851A (en) * 2015-11-05 2016-01-20 徐州徐工挖掘机械有限公司 Excavator hydraulic type thumb clamp mechanism and excavator work device
KR101621169B1 (en) 2014-10-28 2016-05-13 이정광 apparatus for forefinger of an excavator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200451302Y1 (en) 2008-12-31 2010-12-08 황규관 Claws for excavators fixed device
WO2011132819A1 (en) * 2010-04-20 2011-10-27 Jung Kyung-Rae Grapple device of excavator
CN102301074A (en) * 2010-04-20 2011-12-28 郑澃来 Grapple device of excavator
KR101131524B1 (en) 2011-09-27 2012-04-24 주식회사 제이케이 Safety apparatus of gripper for a excavator
KR101498650B1 (en) * 2013-10-02 2015-03-11 주식회사 경원테크 Safety locking device of claws for excavators
KR101621169B1 (en) 2014-10-28 2016-05-13 이정광 apparatus for forefinger of an excavator
CN105256851A (en) * 2015-11-05 2016-01-20 徐州徐工挖掘机械有限公司 Excavator hydraulic type thumb clamp mechanism and excavator work device

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