JPH0283890U

JPH0283890U -

Info

Publication number: JPH0283890U
Application number: JP16210488U
Authority: JP
Priority date: 1988-12-14
Filing date: 1988-12-14
Publication date: 1990-06-28

Description

[Brief explanation of drawings]

第１図は本考案の第１の実施例の平面図、第２
図は第１図の正面図、第３図は第２の実施例の正
面図、第４図は第３図の側面図、第５図は第３の
実施例の平面図、第６図は第５図の正面図、第７
図は従来例の説明図、第８図は他の従来例の説明
図である。１はアウトリガ、２はジブクレーン、３は下部
フレーム、４は旋回フレーム、５はジブ、６はビ
ーム、７はジヤツキ、８は座、１１は流体圧シリ
ンダ、１４は嵌入ピン、１６はブラケツト、１７
は位置固定ピン、１８は回転駆動装置、１９は螺
入スクリユーである。 Figure 1 is a plan view of the first embodiment of the present invention;
The figure is a front view of FIG. 1, FIG. 3 is a front view of the second embodiment, FIG. 4 is a side view of FIG. 3, FIG. 5 is a plan view of the third embodiment, and FIG. 6 is a front view of the second embodiment. Front view of Figure 5, No. 7
The figure is an explanatory diagram of a conventional example, and FIG. 8 is an explanatory diagram of another conventional example. 1 is an outrigger, 2 is a jib crane, 3 is a lower frame, 4 is a rotating frame, 5 is a jib, 6 is a beam, 7 is a jack, 8 is a seat, 11 is a fluid pressure cylinder, 14 is a fitting pin, 16 is a bracket, 17
1 is a position fixing pin, 18 is a rotary drive device, and 19 is a screw.

Claims

[Claims for Utility Model Registration] 1. A beam is extended from a frame equipped with a jib and a revolving frame for pivotally supporting the jib, and an outrigger having a jack with a seat at the lower end is attached to the beam so as to be able to rise and fall; , a crane characterized by being provided with an insertion pin that can be inserted into the ground. 2 Attach a fluid pressure cylinder to the outrigger,
The crane according to claim 1, wherein the fitting pin is connected to the hydraulic cylinder. 3. The crane according to claim 1 or 2, wherein a bracket for fixing the fitting pin via a position fixing pin is fixed to the seat. 4. Extend a beam to a frame equipped with a jib and a rotating frame that pivots the jib, and attach a beam to the beam.
1. A crane characterized in that an outrigger having a jack with a seat at its lower end is attached so as to be movable up and down, and a screw screw capable of being screwed into the ground is attached to the outrigger. 5. The crane according to claim 4, wherein a rotary drive device is attached to the outrigger, and the screw screw is connected to the rotary drive device.