JPH035234Y2

JPH035234Y2 -

Info

Publication number: JPH035234Y2
Application number: JP865884U
Authority: JP
Priority date: 1984-01-24
Filing date: 1984-01-24
Publication date: 1991-02-12
Also published as: JPS60121747U

Description

【考案の詳細な説明】従来の枝打機では樹幹旋回上昇に際し主機枠と
補助機枠との対向方向摺動離反動作を両機枠の左
右および上下方向において円滑に行うことは困難
であつたため上記両機枠が樹幹から外れ易い欠陥
があつた。[Detailed description of the invention] With conventional pruning machines, it was difficult to smoothly slide the main machine frame and the auxiliary machine frame in opposite directions and move away from each other in the horizontal and vertical directions of both machine frames when turning and raising the tree trunk. There was a defect that caused the frames of both machines to easily come off the tree trunk.

本案は上記両機枠を樹幹の両側に確実に保持す
ることを目的とするものであつてチエンソー１を
上方に突出させて設けた主機枠２とこれに対面す
る補助機枠３とを樹幹４を介して発条５で接続
し、主機枠２側に樹幹４に接する傾斜駆動装置６
を設け、補助機枠３に樹幹４に接する従動装置７
を設け、樹幹４の回りを旋回上昇する自動登攀枝
切断装置におて、両機枠２，３の一方に対向方向
案内杆８，８を設け、他方に同杆８，８に摺動自
在に嵌合する案内管９，９を設け、かつ上記一方
に上記案内杆８と直交する横向回動軸１０を軸支
し、同回動軸１０の両端部に傾斜昇降腕１１，１
１を設け、かつ両傾斜昇降腕１１，１１のそれぞ
れ先端部と補助機枠３とをリンク杆１２，１２で
接続してなる枝打機に関するものである。 The purpose of this proposal is to securely hold both the machine frames on both sides of the tree trunk, and the main machine frame 2, which is provided with the chain saw 1 protruding upward, and the auxiliary machine frame 3 facing it, are attached to the tree trunk 4. A tilting drive device 6 connected to the spring 5 through the main engine frame 2 side and in contact with the tree trunk 4
and a driven device 7 in contact with the tree trunk 4 on the auxiliary machine frame 3.
In an automatic climbing branch cutting device that rotates and ascends around a tree trunk 4, opposite direction guide rods 8, 8 are provided on one side of both machine frames 2, 3, and the same rods 8, 8 are slidable on the other side. Fitting guide tubes 9, 9 are provided, and a horizontal rotation shaft 10 perpendicular to the guide rod 8 is supported on one side, and inclined lifting arms 11, 1 are provided at both ends of the rotation shaft 10.
The present invention relates to a pruning machine in which the tip portions of both inclined lifting arms 11, 11 and the auxiliary machine frame 3 are connected by link rods 12, 12.

傾斜駆動装置６は第１図に示すように互に平行
な上下のクローラ６′，６′によつて形成され、従
動装置７は球面状遊動ローラ７′の偏心部分を樹
幹４に接触させて軸１３の回りに遊動させるよう
形成される。対向方向案内杆８，８は主機枠２の
左右両側に一端を固定した水平杆であつて案内管
９，９は補助機枠３の左右両側に固定する。又横
向回動軸１０は主機枠２に設けた水平管１４内に
回動自在に嵌合し、両端部の傾斜昇降腕１１，１
１は第２図に示すように下向に傾斜させ両腕１
１，１１の傾斜角度は同一に回動軸１０に支持さ
れる。リンク杆１２は昇降腕１１の下端および上
記案内管９にピン１５，１６によつて接続し、同
腕１１よびリンク杆１２の長さは左右同一であ
る。尚図中１７で示すものはチエンソー１および
駆動装置６の原動機、１８は両機枠２，３の引下
し用ローラ、１９は同ローラ１８の動作杆であ
る。 As shown in FIG. 1, the tilt drive device 6 is formed by upper and lower crawlers 6', 6' that are parallel to each other, and the driven device 7 is configured by bringing the eccentric portion of a spherical floating roller 7' into contact with the tree trunk 4. It is formed to be freely movable around an axis 13. The opposing direction guide rods 8, 8 are horizontal rods with one end fixed to the left and right sides of the main engine frame 2, and the guide tubes 9, 9 are fixed to the left and right sides of the auxiliary engine frame 3. Further, the horizontal rotation shaft 10 is rotatably fitted into a horizontal pipe 14 provided in the main engine frame 2, and the inclined lifting arms 11, 1 at both ends
1 has both arms 1 tilted downward as shown in Figure 2.
1 and 11 are supported by the rotating shaft 10 at the same angle of inclination. The link rod 12 is connected to the lower end of the lifting arm 11 and the guide tube 9 through pins 15 and 16, and the lengths of the arm 11 and the link rod 12 are the same on the left and right sides. Reference numeral 17 in the figure is the prime mover of the chain saw 1 and the drive device 6, 18 is a roller for pulling down both machine frames 2 and 3, and 19 is an operating rod of the roller 18.

従つて原動機１７を始動すると傾斜駆動装置６
が動作して両機枠２，３は樹幹４の回りを旋回上
昇し、チエンソー１によつて枝２０を切断するこ
とができる。旋回上昇に際し樹幹４の直径が順次
小となり、それに伴つて両機枠２，３は対向方向
案内杆８，８に沿つて発条５，５の力で近接する
と同時に上記両腕１１，１１は回動軸１０を中心
に回動下降し左右両側の案内管９，９は案内杆
８，８に沿つて摺動し、両側のリンク杆１２と昇
降腕１１との開き角は左右両側同時に同一角度に
保持され両機枠２，３の相対的位置は近接離反方
向のみ互に平行に変化するものである。 Therefore, when the prime mover 17 is started, the tilt drive device 6
operates, both machine frames 2 and 3 swing upwards around the tree trunk 4, and the chain saw 1 can cut the branch 20. During the upward swing, the diameter of the tree trunk 4 gradually decreases, and as a result, both the machine frames 2 and 3 approach each other along the opposing direction guide rods 8 and 8 by the force of the springs 5 and 5, and at the same time the arms 11 and 11 rotate. Rotating downward around the shaft 10, the guide tubes 9, 9 on both the left and right sides slide along the guide rods 8, 8, and the opening angles of the link rods 12 on both sides and the lifting arm 11 are the same at the same time on both the left and right sides. The relative positions of the two machine frames 2 and 3 are changed only in the direction of approach and separation in parallel to each other.

本案は上述のように構成したので両機枠２，３
は左右の上記昇降腕１１，１１が回動軸１０を介
して一体的に昇降回動し、かつ同両腕１１，１１
およびリンク杆１２，１２をそれぞれ同長に形成
し得て腕１１とリンク杆１２との開き角が必ず左
右同一に保持されると共に案内杆８に沿つて両機
枠２，３が近接離反するため、両機枠２，３の左
右の近接離反長が常に同一に保持されかつ両機枠
２，３の相互ひねりを防止し得て両機枠２，３を
樹幹４の両側に上下左右同一距離に保持し、旋回
上昇を円滑に行い、それに伴つてチエンソー１に
よる枝打作業を円滑に行うことができる。 Since this project is configured as described above, both machine frames 2 and 3
The left and right lifting arms 11, 11 move up and down integrally through the rotation shaft 10, and both arms 11, 11
Also, the link rods 12, 12 can be formed to have the same length, so that the opening angle between the arm 11 and the link rod 12 is always kept the same on the left and right sides, and the machine frames 2, 3 move toward and away from each other along the guide rod 8. , the left and right proximity and separation lengths of both machine frames 2 and 3 are always maintained the same, and mutual twisting of both machine frames 2 and 3 can be prevented, and both machine frames 2 and 3 are maintained at the same distance vertically and horizontally on both sides of the tree trunk 4. , Swinging and raising can be performed smoothly, and accordingly, pruning work with the chain saw 1 can be performed smoothly.

[Brief explanation of the drawing]

第１図は本案の枝打機を示す正面図、第２図は
同枝打機の側面図、第３図は同枝打機の平面図で
ある。１……チエンソー、２……主機枠、３……補助
機枠、４……樹幹、５……発条、６……傾斜駆動
装置、７……従動装置、８……対向方向案内杆、
９……案内管、１０……横向回動軸、１１……傾
斜昇降腕、１２……リンク杆。 FIG. 1 is a front view of the pruning machine of the present invention, FIG. 2 is a side view of the pruning machine, and FIG. 3 is a plan view of the pruning machine. 1... Chain saw, 2... Main machine frame, 3... Auxiliary machine frame, 4... Trunk, 5... Spring, 6... Incline drive device, 7... Follower device, 8... Opposing direction guide rod,
9... Guide tube, 10... Horizontal rotation axis, 11... Inclined lifting arm, 12... Link rod.

Claims

[Scope of utility model registration request]

A main engine frame 2 provided with a chain saw 1 projecting upward and an auxiliary engine frame 3 facing the main engine frame 3 are connected by a spring 5 via a tree trunk 4, and a tilting drive device 6 is provided on the main engine frame 2 side in contact with the tree trunk 4. , in an automatic climbing branch cutting device that rotates and ascends around the tree trunk 4 by providing a driven device 7 in contact with the tree trunk 4 on the auxiliary machine frame 3, both machine frames 2, 3
one side is provided with opposing direction guide rods 8, 8, the other side is provided with guide tubes 9, 9 which are slidably fitted to the same rods 8, 8, and the one side is provided with a horizontal rotation perpendicular to the guide rod 8. A shaft 10 is pivotally supported, inclined lifting arms 11 are provided at both ends of the rotating shaft 10, and both inclined lifting arms 1 are provided.
This pruning machine is formed by connecting the tip ends of 1 and 11 and an auxiliary machine frame 3 with link rods 12 and 12, respectively.