JPH0179901U

JPH0179901U -

Info

Publication number: JPH0179901U
Application number: JP1987175617U
Authority: JP
Priority date: 1987-11-17
Filing date: 1987-11-17
Publication date: 1989-05-29

Description

[Brief explanation of the drawing]

第１図は従来の暗渠掘さく機をトラクタに装着
した側面図、第２図は同平面図である。第３図は
本考案を装備する暗渠掘さく機をトラクタに装着
した全体側面図、第４図は同平面図、第５図はＡ
―Ａ′面の下方の部分の平面図である。第６図は
トラクタの進行方向が変化した場合に、シヤンク
刃は今まで進んでいた方向を一時的に保つた状態
を示す。第７図はシヤンク刃の上下方向を支持す
るための上下調節具の側面図、第８図は同平面図
である。第９図はシヤンク刃を挟み軸を中心に回
動自在にしてしかもツールバーに沿つてその任意
の位置に固定するため取付装置の側面図、第１０
図は同平面図である。５……ツールバー、６……固定具、８……軸受
、１０……取付具、１１……シヤンク刃、１３…
…方向保持バネ、１４……上下支持バネ、１６…
…弾丸体。 FIG. 1 is a side view of a conventional culvert excavator mounted on a tractor, and FIG. 2 is a plan view of the same. Figure 3 is an overall side view of a culvert excavator equipped with the present invention attached to a tractor, Figure 4 is a plan view of the same, and Figure 5 is A
- A plan view of the lower part of plane A'. FIG. 6 shows a state in which the shank blade temporarily maintains the direction in which it has been traveling when the direction of travel of the tractor changes. FIG. 7 is a side view of a vertical adjuster for supporting the shank blade in the vertical direction, and FIG. 8 is a plan view thereof. Figure 9 is a side view of the mounting device for making the shank blade rotatable around the pincer shaft and fixing it at any position along the tool bar;
The figure is a plan view of the same. 5...Tool bar, 6...Fixing tool, 8...Bearing, 10...Mounting tool, 11...Shank blade, 13...
...Direction holding spring, 14... Vertical support spring, 16...
...Bullet body.

Claims

[Scope of utility model registration request]

The shank blade 11 is held between the shank blade 11 mounts 10 which are rotatable by bearings 8, and the shank blades 11 are made to be able to slide vertically on the inside 15 of the shank blades 10, and the upper end 18 of the shank blades 11 and The upper and lower support springs 14 connect and support the mounting device (9th, 1st
The position of the shank blade 11 is determined by fixing the shank blade 11 at an arbitrary position on the tool bar 5 with the fixing device 6, and furthermore, the outer end 12 of the fixing device 10 and the tool bar 5 are fixed with the direction holding spring 13. A mounting structure for a shank blade in a culvert excavator, characterized in that the shank blade 11 is connected to an agricultural tractor or the like so that the orientation of the shank blade 11 is maintained in the working direction.