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JP2013024014A - Bucket device - Google Patents

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Publication number
JP2013024014A
JP2013024014A JP2011163324A JP2011163324A JP2013024014A JP 2013024014 A JP2013024014 A JP 2013024014A JP 2011163324 A JP2011163324 A JP 2011163324A JP 2011163324 A JP2011163324 A JP 2011163324A JP 2013024014 A JP2013024014 A JP 2013024014A
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JP
Japan
Prior art keywords
bucket
lid
bracket
pin
actuator
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JP2011163324A
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Japanese (ja)
Inventor
Seiji Morioka
誠嗣 盛岡
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ISHIMOTO KENSETSU CO Ltd
KAIYO KAIHATSU KOGYO CO Ltd
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ISHIMOTO KENSETSU CO Ltd
KAIYO KAIHATSU KOGYO CO Ltd
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Priority to JP2011163324A priority Critical patent/JP2013024014A/en
Publication of JP2013024014A publication Critical patent/JP2013024014A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a bucket device in which an opening port of a bucket can be closed by a cover at an arbitrary angle of the bucket.SOLUTION: In a bucket device configured in such a manner that a bracket of a bucket is pin-connected to the tip of an operation arm with press-in of a bucket pin and an opening port of the bucket is closed by a cover, one end part of a lever (23) is integrally provided in a base part of the cover (20), the lever is rotatably connected to the bracket (11) of the bucket (10), a drive part (30A) of an actuator (30) is connected to the other end of the lever, and a base part of the actuator is rotatably connected to the bracket of the bucket.

Description

この発明はバケット装置に関し、例えば海岸や河川における浚渫工事に用いるのに適した油圧ショベル用のバケット装置に関する。   The present invention relates to a bucket apparatus, for example, a bucket apparatus for a hydraulic excavator suitable for use in dredging work on a coast or a river.

最近、海岸や河川の浚渫工事では油圧ショベルを利用した工事が増加する傾向にある。油圧ショベルで浚渫工事を行う場合、操作アーム先端にバケットをピン連結するとともに蓋を設け、バケットの開放口を蓋で閉鎖して土砂や泥水などがバケットの開放口からこぼれるのを防止することが行われている（特許文献１、特許文献２、特許文献３）。   Recently, coastal and river dredging works tend to increase work using hydraulic excavators. When dredging work with a hydraulic excavator, a bucket is pin-connected to the tip of the operation arm and a lid is provided, and the opening of the bucket is closed with a lid to prevent sediment and mud from spilling from the opening of the bucket. (Patent Literature 1, Patent Literature 2, Patent Literature 3).

特開２００５−３３０７９３号公報JP 2005-330793 A 特開２００３−３３６２８０号公報JP 2003-336280 A 特開２００９−１９４０５号公報JP 2009-19405 A

しかし、特許文献１記載のバケットでは蓋は操作アームの先端部に固定されているので、蓋で閉鎖できるバケットの角度が限定されてしまい、バケット作業の自由度が低い。   However, in the bucket described in Patent Document 1, since the lid is fixed to the distal end portion of the operation arm, the angle of the bucket that can be closed with the lid is limited, and the degree of freedom in bucket work is low.

また、特許文献２、３記載のバケットでは蓋をシリンダ又は駆動ギアによって開閉できるようにしているものの、シリンダの基部及び蓋の基部あるいは駆動ギアが操作アームに取付けられているので、蓋を開閉できる角度が制限されてしまい、バケット作業の自由度が低い。   Further, in the buckets described in Patent Documents 2 and 3, the lid can be opened and closed by a cylinder or a driving gear, but the lid can be opened and closed because the base of the cylinder and the base of the lid or the driving gear are attached to the operation arm. The angle is limited and the degree of freedom of bucket work is low.

本発明はかかる問題点に鑑み、バケットの任意の角度においてバケットの開放口を蓋で閉鎖できるようにしたバケット装置を提供することを課題とする。   This invention makes it a subject to provide the bucket apparatus which enabled it to close the opening of a bucket with a lid | cover in arbitrary angles of a bucket in view of this problem.

そこで、本発明に係るバケット装置は、操作アームの先端にバケットのブラケットをバケットピンの圧入によってピン連結するとともに、バケットの開放口を蓋で閉鎖するようにしたバケット装置において、上記蓋の基部にはレバーの一端部が一体的に設けられ、該レバーは上記バケットのブラケットに回動自在に連結され、上記レバーの他端部にはアクチュエータの駆動部分が連結され、上記アクチュエータの基部は上記バケットのブラケットに回動自在に連結されていることを特徴とする。   Therefore, in the bucket apparatus according to the present invention, in the bucket apparatus in which the bucket bracket is connected to the tip of the operation arm by press-fitting the bucket pin, and the opening of the bucket is closed with a lid. One end portion of the lever is integrally provided, the lever is rotatably connected to the bracket of the bucket, the actuator driving portion is connected to the other end portion of the lever, and the base portion of the actuator is the bucket It is connected with the bracket of this invention so that rotation is possible.

本発明の特徴の１つは蓋の基部とアクチュエータの基部をバケットのブラケットに取付けるようにした点にある。   One of the features of the present invention is that the base of the lid and the base of the actuator are attached to the bracket of the bucket.

これにより、蓋をバケットの開放口に対して任意に開閉動作させることができるので、バケットが操作アームに対してどのような角度であっても、蓋でバケットの開放口を閉鎖することができ、バケット作業の自由度を大幅に向上させることができる。   As a result, the lid can be arbitrarily opened and closed with respect to the opening of the bucket, so that the opening of the bucket can be closed with the lid regardless of the angle of the bucket with respect to the operation arm. The degree of freedom of bucket work can be greatly improved.

アクチュエータの基部はバケットのブラケットにピン連結されていればよいが、蓋開閉の自由度を向上させる上で、バケットのブラケットに対する操作アームのピン連結の位置とバケットの本体部分との間に回動自在に連結されるのが好ましい。   The base of the actuator only needs to be pin-connected to the bucket bracket. However, in order to improve the degree of freedom of opening and closing the lid, it rotates between the position of the operation arm pin connection to the bucket bracket and the main body of the bucket. It is preferable that they are connected freely.

アクチュエータは蓋を開閉させることができればよく、例えば駆動モータとラック・ピニオンの組み合わせを採用することができるが、構造の簡単さ及び動作の高速性の観点からは、エアーシリンダや油圧シリンダを用いるのがよい。   The actuator only needs to be able to open and close the lid. For example, a combination of a drive motor and a rack and pinion can be adopted. From the viewpoint of simplicity of structure and high speed of operation, an air cylinder or a hydraulic cylinder is used. Is good.

本発明のバケット装置は油圧ショベルの操作アームにセットして用いると、その効果が大きいが、台船の操作アームの先端にセットして用いることもできる。   Although the effect of the bucket device of the present invention is great when set on the operation arm of a hydraulic excavator, it can also be used by setting it at the tip of the operation arm of a carriage.

本発明に係るバケット装置の好ましい実施形態の全体構成を示す概略斜視図である。It is a schematic perspective view which shows the whole structure of preferable embodiment of the bucket apparatus which concerns on this invention. 上記実施形態を示す側面図である。It is a side view which shows the said embodiment. 上記実施形態の操作アームへの取付け状態を示す図である。It is a figure which shows the attachment state to the operation arm of the said embodiment. 上記バケット装置の動作の１例を示す図である。It is a figure which shows one example of operation | movement of the said bucket apparatus. 上記バケット装置の動作の他の例を示す図である。It is a figure which shows the other example of operation | movement of the said bucket apparatus. 上記バケット装置の動作のさらに他の例を示す図である。It is a figure which shows the further another example of operation | movement of the said bucket apparatus.

以下、本発明を図面に示す具体例に基づいて詳細に説明する。図１ないし図６は本発明に係るバケット装置の好ましい実施形態を示す。図において、バケット１０は前方面が開放され、開放口１０Ａの下縁には複数の掘削爪１０Ｂが相互に間隔をあけて取り付けられ、又バケット１０の上壁面には左右の取付けブラケット１１が相互に平行に配置され溶接等によってバケット１０の上壁面に固定され、左右の取付けブラケット１１の対向する位置には各々取付け穴が穿設されて２つのブッシュ１１Ａが取り付けられている。   Hereinafter, the present invention will be described in detail based on specific examples shown in the drawings. 1 to 6 show a preferred embodiment of the bucket device according to the present invention. In the figure, the front surface of the bucket 10 is open, a plurality of excavation claws 10B are attached to the lower edge of the opening 10A with a space therebetween, and the left and right mounting brackets 11 are attached to the upper wall surface of the bucket 10. Are attached to the upper wall surface of the bucket 10 by welding or the like, and mounting holes are drilled at opposite positions of the left and right mounting brackets 11 to attach two bushes 11A.

他方、油圧ショベル等ではブームの先端に操作アーム４０が連結され、操作アーム４０には油圧シリンダ４１が併設されるとともに、操作アーム４０の先端部４０Ａには先端部４０Ａの左右両側面を挟んで左右のリンク機構４２の一方のリンク４２Ｂの先端が連結ピンによって連結されている。このリンク機構４２は各々一対のリンク４２Ａ、４２Ｂの端部を連結ピンによって相互に回転可能に連結して構成され、リンク４２Ａ、４２Ｂの中間の連結ビンには油圧シリンダ４１のピストンロッド４１Ａの先端が共連結されている。   On the other hand, in a hydraulic excavator or the like, the operation arm 40 is connected to the tip of the boom, the operation arm 40 is provided with a hydraulic cylinder 41, and the left and right side surfaces of the tip 40A are sandwiched between the tip 40A of the operation arm 40. The ends of one link 42B of the left and right link mechanisms 42 are connected by a connecting pin. The link mechanism 42 is configured by connecting the ends of a pair of links 42A and 42B to each other by a connecting pin so as to be rotatable with each other. Are co-linked.

バケット１０の左右の取付けブラケット１１の２つのブッシュ１１Ａのうちの一方には操作アーム４０の先端部４０Ａが差し込まれ、バケットピンが圧入されることによってピン連結され、他方のブッシュ１１Ａの間にはリンク機構４１の他方のリンク４２Ａの先端が差し込まれ、バケットピンが圧入されることによって連結されている。   The tip 40A of the operating arm 40 is inserted into one of the two bushes 11A of the left and right mounting brackets 11 of the bucket 10, and the pin is connected by press-fitting the bucket pin, and between the other bush 11A. The tip of the other link 42A of the link mechanism 41 is inserted and connected by press-fitting a bucket pin.

また、取付けブラケット１１の先端部には取付け穴が対向して穿設され、取付け穴には取付けピン１５がバケット幅方向に圧入し、公知の方法、例えば取付けピン１５の外端部にＣ型リングを嵌め込むことによって抜け止めして取付けられ、取付けピン１５には左右一対のレバー２３の中間部位が回転自在に外嵌され、レバー２３の先端部は枢支ピン２２に固定され、枢支ピン２２は左右のブラケット２１によって蓋２０の基部に固定されており、こうしてレバー２３は蓋２０の基部に一体的に設けられ、レバー２３を取付けピン１５の回りに回動させることによって蓋２０をバケット１０の開放口１０Ａに対して開閉できるようになっている。   Further, a mounting hole is formed in the front end portion of the mounting bracket 11 so as to face the mounting bracket, and a mounting pin 15 is press-fitted in the bucket width direction into the mounting hole. A ring is fitted to prevent it from coming off, and an intermediate portion of the pair of left and right levers 23 is rotatably fitted to the mounting pin 15, and the tip end of the lever 23 is fixed to the pivot pin 22. The pin 22 is fixed to the base of the lid 20 by the left and right brackets 21, and thus the lever 23 is provided integrally with the base of the lid 20, and the lid 20 is rotated by rotating the lever 23 around the mounting pin 15. The bucket 10 can be opened and closed with respect to the opening 10 </ b> A.

左右のレバー２３の他端部には挿通穴が対向して穿設されてジョイントピン２４が挿通され、ジョイントピン２４にはピストンロッド（駆動部分）３０Ａの先端部が外嵌されている。他方、バケット１０の取付けブラケット１１後端縁のブッシュ１１Ａとバケット１０の上壁面との間に位置する部位には挿通穴１２が対向して穿設され、挿通穴１２には取付けピン１３が挿入され、公知の方法、例えば取付けピン１３の外端部にＣ型リングを嵌め込むことによって抜け止めして取付けられ、取付けピン１３にはピストンロッド３０Ａの油圧シリンダ（アクチュエータ）３０の基部が回転可能に外嵌されている。   The other end of the left and right levers 23 is formed with insertion holes facing each other and a joint pin 24 is inserted therethrough. The joint pin 24 is fitted with a tip end of a piston rod (drive portion) 30A. On the other hand, an insertion hole 12 is formed oppositely in a portion located between the bush 11A on the rear end edge of the attachment bracket 11 of the bucket 10 and the upper wall surface of the bucket 10, and an attachment pin 13 is inserted into the insertion hole 12. In a known manner, for example, a C-shaped ring is fitted to the outer end of the mounting pin 13 to prevent it from coming off, and the base of the hydraulic cylinder (actuator) 30 of the piston rod 30A is rotatable on the mounting pin 13. Is externally fitted.

また、バケット１０の開放口１０Ａの下端縁には複数の掘削爪１０Ｂが取り付けられ、蓋２０の先端縁には複数の爪２０Ｂが掘削爪１０Ｂの間に位置するように取り付けられている。   Also, a plurality of excavation claws 10B are attached to the lower end edge of the opening 10A of the bucket 10, and a plurality of claws 20B are attached to the tip edge of the lid 20 so as to be positioned between the excavation claws 10B.

バケット作業を行う場合、ブーム（図示せず）及び操作アーム４０を上下前後に揺動させることによってバケット１０を上下及び前後にスイングさせ、バケット１０で土砂や泥水をすくい、土砂や泥水を排出することができる。   When performing bucket work, swing the boom 10 up and down and back and forth by swinging a boom (not shown) and the operation arm 40 up and down, scoop up earth and sand and muddy water with the bucket 10, and discharge earth and sand and muddy water. be able to.

今、図４に示されるように、バケット１０を操作アーム４０の延長線上に位置する姿勢に保ち、油圧シリンダ３０を作動させ、ピストンロッド３０Ａを伸長させると、蓋２０を図４の（ａ）に示される開いた状態から、図４の（ｂ）に示すように徐々に閉じさせ、図４の（ｃ）に示すようにバケット１０の開放口１０Ａを完全に閉鎖した状態とすることができる。   Now, as shown in FIG. 4, when the bucket 10 is maintained in a posture positioned on the extension line of the operation arm 40, the hydraulic cylinder 30 is operated and the piston rod 30A is extended, the lid 20 is moved to the position shown in FIG. From the open state shown in FIG. 4, it is gradually closed as shown in FIG. 4B, and the opening 10A of the bucket 10 can be completely closed as shown in FIG. 4C. .

また、図５に示されるように、油圧シリンダ４１のピストンロッド４１Ａを少し収縮させ、バケット１０を操作アーム４０の延長線上よりも開いた姿勢に保ち、油圧シリンダ３０を作動させ、ピストンロッド３０Ａを伸長させると、蓋２０を図５の（ａ）に示される開いた状態から、図５の（ｂ）に示すように徐々に閉じさせ、図５の（ｃ）に示すようにバケット１０の開放口１０Ａを完全に閉鎖した状態とすることができる。   Further, as shown in FIG. 5, the piston rod 41A of the hydraulic cylinder 41 is slightly contracted to keep the bucket 10 in a position that is open from the extension line of the operation arm 40, the hydraulic cylinder 30 is operated, and the piston rod 30A is moved. When extended, the lid 20 is gradually closed as shown in FIG. 5 (b) from the open state shown in FIG. 5 (a), and the bucket 10 is opened as shown in FIG. 5 (c). The mouth 10A can be completely closed.

さらに、図６に示されるように、油圧シリンダ４１を作動させると、バケット１０を操作アーム４０に対して開いた姿勢から閉じた姿勢に動作させることができる。その際、バケット１０がどのような姿勢であっても、例えば図６の（ｃ）に示されるように、油圧シリンダ３０を作動させてピストンロッド３０Ａを伸長させると、蓋２０でバケット１０の開放口１０Ａを閉鎖することができる。   Further, as shown in FIG. 6, when the hydraulic cylinder 41 is operated, the bucket 10 can be moved from the open position to the closed position with respect to the operation arm 40. At this time, whatever the posture of the bucket 10 is, for example, as shown in FIG. 6C, when the piston rod 30 </ b> A is extended by operating the hydraulic cylinder 30, the bucket 10 is opened by the lid 20. The mouth 10A can be closed.

以上のように、蓋２０をバケット１０の開放口１０Ａに対して任意に開閉動作させることができるので、バケット１０が操作アーム４０に対してどのような角度であっても、蓋２０でバケット１０の開放口１０Ａを閉鎖することができ、バケット作業の自由度を大幅に向上させることができる。   As described above, the lid 20 can be arbitrarily opened and closed with respect to the opening 10 </ b> A of the bucket 10, so that the bucket 10 can be moved by the lid 20 regardless of the angle of the bucket 10 with respect to the operation arm 40. The opening 10A can be closed, and the degree of freedom of bucket work can be greatly improved.

１０ バケット
１０Ａ 開放口
１１ ブラケット
２０ 蓋
２１ ブラケット
２２ 枢支ピン
２３ レバー
３０ 油圧シリンダ（アクチュエータ）
３０Ａ ピストンロッド（駆動部分）
４０ 操作アーム
４１ 油圧シリンダ
10 Bucket 10A Open Port 11 Bracket 20 Lid 21 Bracket 22 Pivot Pin 23 Lever 30 Hydraulic Cylinder (Actuator)
30A piston rod (drive part)
40 Operating arm 41 Hydraulic cylinder

Claims (3)

操作アームの先端にバケットのブラケットをバケットピンの圧入によってピン連結するとともに、バケットの開放口を蓋で閉鎖するようにしたバケット装置において、
上記蓋（２０）の基部にはレバー（２３）の一端部が一体的に設けられ、該レバー（２３）は上記バケット（１０）のブラケット（１１）に回動自在に連結され、上記レバー（２３）の他端部にはアクチュエータ（３０）の駆動部分（３０Ａ）が連結され、上記アクチュエータ（３０）の基部は上記バケット（１０）のブラケット（１１）に回動自在に連結されていることを特徴とするバケット装置。 In the bucket apparatus in which the bracket of the bucket is connected to the tip of the operation arm by press-fitting the bucket pin, and the opening of the bucket is closed with a lid.
One end of a lever (23) is integrally provided at the base of the lid (20), and the lever (23) is rotatably connected to a bracket (11) of the bucket (10). 23) is connected to the drive portion (30A) of the actuator (30), and the base of the actuator (30) is rotatably connected to the bracket (11) of the bucket (10). The bucket apparatus characterized by this. 上記アクチュエータ（３０）の基部は、上記バケット（１０）のブラケット（１１）に対する操作アーム（４０）のピン連結の位置と上記バケット（１０）の本体部分との間に回動自在にピン連結されている請求項１記載のバケット装置。   The base of the actuator (30) is pivotally connected between the pin connection position of the operation arm (40) with respect to the bracket (11) of the bucket (10) and the main body of the bucket (10). The bucket apparatus according to claim 1. 上記アクチュエータ（３０）がシリンダであり、駆動部分（３０Ａ）がピストンロッドである請求項１又は２記載のバケット装置。
The bucket device according to claim 1 or 2, wherein the actuator (30) is a cylinder and the drive portion (30A) is a piston rod.
JP2011163324A 2011-07-26 2011-07-26 Bucket device Pending JP2013024014A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103465495A (en) * 2013-09-22 2013-12-25 江苏柳工机械有限公司 Trash compacting bucket

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JPH1136355A (en) * 1997-07-17 1999-02-09 Yamakawa Eng Kk Grapple bucket device
JP2000191390A (en) * 1998-12-25 2000-07-11 Hiroshi Onodera Compost turning device
JP2005330793A (en) * 2004-04-22 2005-12-02 Daiwa Kensetsu Kk Power shovel
US20080016729A1 (en) * 2004-03-26 2008-01-24 Guenter Holp Working Tool for a Piece of Earth-Moving Machinery
US20080282585A1 (en) * 2007-10-31 2008-11-20 Entek Manufacturing Inc. Prehensile bucket attachment

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Publication number Priority date Publication date Assignee Title
JPH1136355A (en) * 1997-07-17 1999-02-09 Yamakawa Eng Kk Grapple bucket device
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