JPH035765U

JPH035765U -

Info

Publication number: JPH035765U
Application number: JP6425289U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-21
Anticipated expiration: 2004-05-31
Also published as: JPH0745650Y2

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示しており、第１図
は斜視図、第２図は分解斜視図、第３図は変更後
の斜視図、第４図は他の変更後の斜視図、第５図
は縦断面図、第６図は連結受け部廻りの断面図、
第７図Ａはベルクランク廻りの断面図、第７図Ｂ
は抜け止めピンの正面図、第８図Ａないし第８図
Ｄは操作パターンを示す説明図である。１…コントロールボツクス、２…第１操作レバ
ー、３…第２操作レバー、４…第１ジヨイント、
５…第１ブラケツト、６…第１操作側ロツド、７
…第１連結受け部、８…第２操作側ロツド、９…
第３連結受け部、１０…カラー、１２…第２ジヨ
イント、１３…第２ブラケツト、１４…操作側ロ
ツド、１５…第２連結受け部、１６…第４操作側
ロツド、１７…第４連結受け部、１９，２０，２
１，２２，２３，２４，２５，２６…ベルクラン
ク、３６…第１従動側ロツド、４２…第２従動側
ロツド、４７…第４従動側ロツド、４９…第３従
動側ロツド、Ｘ，Ｙ…軌跡。 The drawings show one embodiment of the present invention, FIG. 1 is a perspective view, FIG. 2 is an exploded perspective view, FIG. 3 is a perspective view after a change, and FIG. 4 is a perspective view after another change. Figure 5 is a longitudinal sectional view, Figure 6 is a sectional view around the connection receiving part,
Figure 7A is a cross-sectional view of the bell crank area, Figure 7B
8 is a front view of the retaining pin, and FIGS. 8A to 8D are explanatory diagrams showing operation patterns. 1... Control box, 2... First operating lever, 3... Second operating lever, 4... First joint,
5...First bracket, 6...First operation side rod, 7
...First connection receiving part, 8...Second operation side rod, 9...
Third connection receiving part, 10...Collar, 12...Second joint, 13...Second bracket, 14...Operation side rod, 15...Second connection reception part, 16...Fourth operation side rod, 17...Fourth connection support Part, 19, 20, 2
1, 22, 23, 24, 25, 26...bell crank, 36...first driven rod, 42...second driven rod, 47...fourth driven rod, 49...third driven rod, X, Y …Trajectory.

Claims

[Claims for Utility Model Registration] (1) First and second operating levers provided on the left and right sides of the control box, and a first operating rod having one end connected to a first joint interlocked with the first operating lever. , a second operating rod having one end connected to a first connection receiving portion formed on the first bracket that is interlocked with the first operating lever; and a third operating rod having one end connected to a second joint that is interlocked with the second operating lever. an operating rod, a fourth operating rod having one end connected to a second connection receiving portion formed on a second bracket interlocking with the second operating lever, and the other ends of each of the first to fourth operating rods. a plurality of bell cranks to which are connected, and a plurality of driven rods having one end connected to each of the bell cranks, the first bracket being on a rotation locus of one end of the fourth operating rod with the other end as a rotation center; a third connection receiving portion formed on the second operating rod on a rotation locus of one end of the second operating rod with the other end as a rotation center; An operating lever device for a work machine, comprising a fourth connection receiving portion to which two operating side rods can be connected. (2) Claim (1) characterized in that a rod end assembly bolt is interposed between a portion of the second and fourth operating rods and the connection receiving portion.
The operating lever device of the described work machine. (3) Claim (1) characterized in that a pivot shaft is interposed between the other end of the operating rod and the bell crank, and a retaining pin is provided on the pivot shaft.
) Operation lever device for the work machine described in ). (4) The operating lever device for a work machine according to claim (2), wherein a collar is interposed between the rod end assembly bolt and the bracket.