JPS6396090U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案を実施せる石積み用クレーンの
全体の概要側面図、第２図は同上の要部の斜視図
、第３図は同上の要部の縦断側面図である。 図面符号の説明、Ａ……石積み用クレーン、ａ
……作業車、ｂ……ブーム、１……車体、１０…
…クローラ、１１……ターンテーブル機構、１２
……旋回台、１３……駆動部、１４……キヤビン
、１５……ブラケツト、１６……油圧シリンダ、
２……機枠、２０……支軸、２１……取付金具、
２１ａ……主体部、２１ｂ……連結軸部、２１ｃ
……ストツパー、２１ｄ……係合ピン、２２……
支軸、２３……ガイド溝、３……クランプ爪、３
ａ……爪部、３０……連結軸、３１……連結部、
３２……連結軸、４……油圧シリンダ、４０……
シリンダ、４１……ピストンロツド、４２……油
圧ホース、４３……ストツパーピン、５……連結
軸、５０……リンク杆、６……クツシヨン材。 FIG. 1 is an overall schematic side view of a masonry crane in which the present invention can be implemented, FIG. 2 is a perspective view of the main parts of the same, and FIG. 3 is a vertical sectional side view of the main parts of the same. Explanation of drawing symbols, A...Masonry crane, a
...Work vehicle, b...Boom, 1...Vehicle body, 10...
... Crawler, 11 ... Turntable mechanism, 12
... Swivel base, 13 ... Drive section, 14 ... Cabin, 15 ... Bracket, 16 ... Hydraulic cylinder,
2... Machine frame, 20... Support shaft, 21... Mounting bracket,
21a... Main body part, 21b... Connection shaft part, 21c
...Stopper, 21d...Engagement pin, 22...
Support shaft, 23...Guide groove, 3...Clamp claw, 3
a...Claw part, 30...Connection shaft, 31...Connection part,
32...Connection shaft, 4...Hydraulic cylinder, 40...
Cylinder, 41...Piston rod, 42...Hydraulic hose, 43...Stopper pin, 5...Connection shaft, 50...Link rod, 6...Cushion material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 昇降回動するブームｂを装備する作業車ａの前
記ブームｂの先端部に、機枠２を、左右方向の支
軸２２と前後方向の支軸２０とにより前後方向お
よび左右方向の揺動を自在に吊下げ支架し、その
機枠２の下方には、側面視で略アングル状に形成
されて前後に対向する一対のクランプ爪３・３を
配位して、それらの各上端部を、前記機枠２の底
部の前後の中間部位に装設せる左右方向の連結軸
３０に、開閉回動自在に軸支し、機枠２内には上
下に伸縮作動する油圧シリンダ４を配位してそれ
の上端部を機枠２に連結し、下端部には前記連結
軸３０と平行する連結軸５を設け、その連結軸５
に前後に対向する一対のリンク杆５０・５０の各
上端部を軸着連結し、それら一対のリンク杆５０
・５０の各下端部を、前記一対のクランプ爪３・
３にそれぞれ連結軸３２・３２を介して連結し、
各クランプ爪３・３の内面にクツシヨン材６を設
け、前記油圧シリンダ４を作業車ａの油圧ポンプ
装置の回路に油圧ホース４２を介し接続せしめて
なる石積み用クレーン。 A machine frame 2 is attached to the tip of the boom b of a working vehicle a equipped with a boom b that rotates up and down, and is rocked in the front-rear direction and left-right direction by means of a left-right support shaft 22 and a front-rear support shaft 20. The machine frame 2 is freely suspended, and below the machine frame 2, a pair of clamp claws 3, 3, which are formed in a substantially angular shape when viewed from the side and face each other in the front and back, are disposed, and the upper ends of each of the clamp claws 3 are disposed. A hydraulic cylinder 4 is disposed within the machine frame 2 and is rotatably supported on a left-right connecting shaft 30 installed at the front and rear intermediate portions of the bottom of the machine frame 2 so as to be rotatable in opening and closing. Its upper end is connected to the machine frame 2, and its lower end is provided with a connecting shaft 5 parallel to the connecting shaft 30.
The upper ends of a pair of link rods 50, 50 facing each other in the front and back are connected by pivoting, and the pair of link rods 50
・Place each lower end of 50 with the pair of clamp claws 3・
3 via connecting shafts 32, 32, respectively,
A masonry crane is provided with a cushion material 6 on the inner surface of each clamp claw 3, and the hydraulic cylinder 4 is connected to the circuit of a hydraulic pump device of a work vehicle a via a hydraulic hose 42.