JPH0242961U

JPH0242961U -

Info

Publication number: JPH0242961U
Application number: JP12116788U
Authority: JP
Priority date: 1988-09-14
Filing date: 1988-09-14
Publication date: 1990-03-26

Description

[Brief explanation of drawings]

第１図は、本考案による土溜り防止構造を有す
る小旋回型バツクホーの側面図。第２図は、同要
部の作動状態説明図。第３図は、同要部の斜視図
。第４図は、タンク保護板の斜視図。第５図は、
土落下防止体を取付けた天蓋の正面図。第６図は
、同天蓋の斜視図。第７図は、シリンダ作動機構
説明図。Ａ：小旋回型バツクホー、２：旋回台、１０ａ
：立上り壁、１１：ブーム、１２：アーム、１３
：バケツト、１７：ブーム作動用シリンダ、１８
：アーム作動用シリンダ、１９：バケツト作動用
シリンダ、２０：土溜り防止体、２１：上部土溜
り防止板、２２：下部土溜り防止板。 FIG. 1 is a side view of a small swing type backhoe having a dirt-puddle prevention structure according to the present invention. FIG. 2 is an explanatory diagram of the operating state of the main parts. FIG. 3 is a perspective view of the main parts. FIG. 4 is a perspective view of the tank protection plate. Figure 5 shows
Front view of the canopy with a soil fall prevention device attached. Figure 6 is a perspective view of the canopy. FIG. 7 is an explanatory diagram of the cylinder operating mechanism. A: Small swing type backhoe, 2: Swivel base, 10a
: Standing wall, 11: Boom, 12: Arm, 13
: Bucket, 17: Boom operation cylinder, 18
: arm actuation cylinder, 19: bucket actuation cylinder, 20: dirt accumulation prevention body, 21: upper dirt accumulation prevention plate, 22: lower dirt accumulation prevention plate.

Claims

[Scope of claim for utility model registration] A pair of left and right rising walls 10 raised from the swivel base 2
Between a and 10a, the base end of the boom 11 is attached to be able to move up and down, the base end of the arm 12 is rotatably attached to the tip of the boom 11, and the base end of the bucket 13 is attached to the tip of the arm 12. , further rising wall 1
A boom operating cylinder 17 is interposed between 0a, 10a and the front wall of the boom 11, and an arm operating cylinder 18 is interposed between the tip of the boom 11 and the base end of the arm 12, A bucket operating cylinder 19 is interposed between the arm 12 and the bucket 13, and the boom 11 is raised and rotated by the telescopic operation of each cylinder 17, 18, and 19, and the bucket 13 is brought close to the boom 11 side. In the excavation equipment of the small swing type bucket hoe, in which the bucket 13 can be positioned directly above the swing base 2, there is a hole between the left and right rising walls 10a, 10a on the back of the base end of the boom actuating cylinder 17. Attach the upper center part of the lower dirt accumulation prevention plate 22 that covers the upper surface, and insert the front wall 1 of the boom 11 from the upper edge of the lower dirt accumulation prevention plate 22.
1a, the left and right width is at least 11
A dirt accumulation prevention structure for an excavation device in a small swing type excavator, which is formed by extending an upper dirt accumulation prevention plate 21 formed wider than the left and right width of the excavator.