JPH02183818A - Safety device for control lever - Google Patents
Safety device for control leverInfo
- Publication number
- JPH02183818A JPH02183818A JP412489A JP412489A JPH02183818A JP H02183818 A JPH02183818 A JP H02183818A JP 412489 A JP412489 A JP 412489A JP 412489 A JP412489 A JP 412489A JP H02183818 A JPH02183818 A JP H02183818A
- Authority
- JP
- Japan
- Prior art keywords
- lever
- control lever
- locking member
- operating lever
- fitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2004—Control mechanisms, e.g. control levers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/24—Safety devices, e.g. for preventing overload
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
- Mechanical Control Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（ａ）産業上の利用分野
本発明はバックホー等に用いる操作レバーの安全装置に
関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a safety device for a control lever used in a backhoe or the like.
（ｂ）従来の技術
従来、たとえばバックホーにおける掘削等の作業は操作
レバーの回動操作により行なっているが、ごの操作レバ
ーは身体の一部が接触する等によっても不用意に回動す
るものである。(b) Conventional technology Traditionally, for example, work such as digging with a backhoe has been performed by rotating the control lever, but the control lever can also be rotated inadvertently when a part of the body comes into contact with it. It is.
（Ｃ）発明が解決しようとげる課題
このため、切削装置のそばに作業Ωが居る時に、操作レ
バーが不用意に回動すると大ぎな人身事故を誘発させる
危険性があった。(C) Problems to be Solved by the Invention For this reason, if the operating lever is carelessly rotated when a worker is near the cutting device, there is a risk of causing a serious accident.
そこでこの発明の目的は、作業時以外に不用意に操作レ
バーに触れても操作レバーが回＃Ｊすることがないよう
に定位置にロックできるようにした操作レバーの安全装
置を提供することにある。Therefore, an object of the present invention is to provide a safety device for an operating lever that can be locked in a fixed position so that the operating lever will not rotate even if the operating lever is touched carelessly outside of work. be.
（ｄ、）課題を解決するための手段
上記目的を解決するためこの発明は、操作レバーに回転
可能かつ上下方向に１習動可能に外装した係止部材と、
前記操作レバーを取付Ｇブた支持部材に設りられ、前記
係止部材の下部と係脱自在となる係合孔を穿設した固定
部材と、前記係止部材を固定部材の係合孔との係合位置
に保持させる係合保持手段と、係止部材を係合孔との係
合解除位置に保持させる係合解除手段とを設けたことを
特徴とする。(d.) Means for Solving the Problems In order to solve the above objects, the present invention includes a locking member externally mounted on the operating lever so that it can rotate and move vertically;
a fixing member provided on a support member to which the operating lever is attached, and having an engagement hole that can be freely engaged with and detached from a lower part of the locking member; The present invention is characterized in that it includes an engagement holding means for holding the locking member in the engagement position, and an engagement release means for holding the locking member in the disengagement position with the engagement hole.
（ｅ）作用
係止部材を回転と上方に摺動ざぜることにより、係止部
材を固定部材の係合孔との係合解除位置に保持ざＵる。(e) Operation By rotating and sliding the locking member upward, the locking member is held in the disengaged position with the engagement hole of the fixing member.
すると操作レバーは回動できる状態となる。The operating lever is then ready to rotate.
次に係止部材を回転と下方に摺動させることにより、係
ＩＦ部材を係合孔との係合位置に保持さける。Next, by rotating and sliding the locking member downward, the locking IF member is held in the engagement position with the engagement hole.
すると操作レバーは回動できない状態となる。Then, the operating lever becomes unable to rotate.
（ｆ）実施例 以下、本発明の一実施例を図面について説明する。(f) Examples An embodiment of the present invention will be described below with reference to the drawings.
第１図乃至第３図において、（１）は運転室内に立支持
ブラケット（３）より’Ｊ６成されている。In FIGS. 1 to 3, (1) is a vertical support bracket (3) in the driver's compartment.
前記支持ブラケット（３）にはスペーサ（４）が固着さ
れ、このスペーサ−（４）にはＬ型材（５）がＸ−Ｘ軸
回りに回転可能に設けられている。A spacer (4) is fixed to the support bracket (3), and an L-shaped member (5) is provided on the spacer (4) so as to be rotatable around the XX axis.
前記ｌ−型材（５）にはボス（６）がＹ’−Ｙ軸回りに
回転可能に設けられている。A boss (6) is provided on the L-shaped member (5) so as to be rotatable around the Y'-Y axis.
（７）は前記ボス（６）に設けられた旋回用コントロー
ルワイヤで、Ｙ−Ｙ軸線上に位置している。(7) is a control wire for turning provided on the boss (6), and is located on the Y-Y axis.
（８）はステー（９）を介し一〇ポス（６）に設けられ
たスライド用コント〔１−ルワイＡ）で、Ｘ−Ｘ線上に
位置している。(8) is a slide control [1-Ruy A] provided at the 10th post (6) via the stay (9), and is located on the X-X line.
前記ボス（６）には操作レバー（１０）が立設してあり
、この操作レバー（１０）をＸ−Ｘ方向に回動Ｊること
により、スライド用コントロールワイＡノ（８）は作動
ｌるが、旋回用コントロールワイヤ（７）は作動せず、
Ｙ−Ｙ方向に回動することにより、旋回用コントロール
ワイヤ（７）は作動するが、スライド用コントロールワ
イヤ（８）は作動しない。An operating lever (10) is provided upright on the boss (6), and by rotating this operating lever (10) in the X-X direction, the slide control wire (8) is activated. However, the turning control wire (7) does not operate.
By rotating in the Y-Y direction, the swing control wire (7) is activated, but the slide control wire (8) is not activated.
１次に本発明の安全装胃を説明すると、（１１）は操作
レバー（１０）に外装した係止部材で、この係止部材（
月）は上部パイプ（１２）と、この上部パイプ（１２）
の下端に設けられ、上部パイプ（１２）の外周よりも更
に大ぎな外周を４４する下部パイプ（１３）とより構成
されており、操作レバー（１０）に対して回転用（’＋
’ｔでかつ上下方向に囲動可能としである。First, to explain the safety device of the present invention, (11) is a locking member externally attached to the operating lever (10), and this locking member (
month) is the upper pipe (12) and this upper pipe (12)
The lower pipe (13) is provided at the lower end of the upper pipe (12) and has an outer circumference larger than the outer circumference of the upper pipe (12).
't and can be moved vertically.
（１４）は前記支持部材（１）の円筒部材（２）内面と
、支持ブラケット（３）上面に同省したプレート状の固
定部材で、略中心部には前記係止部材（１１）の下部パ
イプ（１３）の外周と路面−の係合孔（１５）を１して
あり、下部パイプ（１３）を係脱自在としておる。(14) is a plate-shaped fixing member attached to the inner surface of the cylindrical member (2) of the support member (1) and the upper surface of the support bracket (3), and approximately in the center is a lower pipe of the locking member (11). There is one engagement hole (15) between the outer periphery of (13) and the road surface, so that the lower pipe (13) can be freely engaged and detached.
（１６） （１６）は基部パイプ（１３）の下面に下部
パイプ（１３）の外周方向に突出状に設けた左右一対の
規制片である。(16) (16) is a pair of left and right regulating pieces provided on the lower surface of the base pipe (13) so as to protrude in the outer circumferential direction of the lower pipe (13).
（１７）（１７）は前記係合孔（１５）に一体状に設け
られた左右一対の切欠溝て゛、前記規制片（１６，０１
６）が通過可能としである。(17) (17) is a pair of left and right notched grooves integrally provided in the engagement hole (15), and the regulation piece (16, 01).
6) is allowed to pass.
（１８）は下部パイプ（１３）とボス（６）間の操作レ
バー（１０）に外装され、係止部材（１１）を上方へ付
勢するて係止部材（１１）を回転さけ、規制片（１６）
（１６）を第２図の２点鎖線位置くロック位置）より
実線位置として切欠溝（１７）（１７）に合わける。(18) is mounted on the operating lever (10) between the lower pipe (13) and the boss (6), and urges the locking member (11) upward to prevent the locking member (11) from rotating. (16)
(16) is moved from the two-dot chain line position (locked position) in Fig. 2 to the solid line position and aligned with the notch grooves (17).
するとスプリング（１８）ノＪにより係（し部材（１１
）は上方に摺動して第１図１点鎖線位置（ロック解除位
置）となり、係止部材（月）と固定部材（１４）の係合
孔（１５）との係合が解除され、操作レバー（１０）は
自由に回動できる状態となる。Then, the spring (18) no.J engages the member (11).
) slides upward to the one-dot chain line position in Figure 1 (unlocked position), and the engagement between the locking member (moon) and the engagement hole (15) of the fixing member (14) is released, and the operation is disabled. The lever (10) is now free to rotate.
その後、操作レバー（１０）をＸ−Ｘ方向、Ｙ−Ｙ方向
に回動させて掘削等の作業を行なう。Thereafter, the operation lever (10) is rotated in the X-X direction and the Y-Y direction to carry out work such as excavation.
（１２）の上部に設けた丸棒で、係止部材（１１）を回
転おるいは上方に摺動させるものである。The locking member (11) is rotated or slid upward by a round bar provided at the top of the locking member (12).
本発明は前記の如き構成で、次に作用について説明する
。The present invention has the above-mentioned structure, and its operation will be explained next.
バックホーにおいて、掘削等の作業を行なう場合、操作
レバー（１０）をロック位置よりロック解除位置にする
のであるが、それにはまず丸棒（２１）をもつツク解除
位置）におる丸棒（２１）をもって、係止部材（１１）
を回転させて規制片（１６） （１６）を切欠溝（１７
）（１７）に合わせた後、係止部材（１１）をスプリン
グ（１８）力に抗して下方に１冨動させ、規制片（１６
） （１６）が切欠溝（１７）（１７）を通過して下部
パイプ（１３）が係合孔（１５）に係合した位置で下方
への摺動を止め、更に回転さけて規制片（１６） （１
６）を第２図２点鎖線位置（Ｏツク位置）とする。When performing work such as digging on a backhoe, the operating lever (10) is moved from the locked position to the unlocked position. Holding the locking member (11)
Rotate the regulation piece (16) (16) into the cutout groove (17).
) (17), move the locking member (11) downward one full turn against the force of the spring (18), and then release the regulating piece (16).
) (16) passes through the cutout grooves (17) (17) and stops sliding downward at the position where the lower pipe (13) engages with the engagement hole (15), and then prevents further rotation and removes the regulating piece ( 16) (1
6) is the position indicated by the two-dot chain line in FIG. 2 (O position).
このとき係止部材（１１）の下部パイプ（１３）が固定
部材（１４）の係合孔（１５）に係合しているので操作
レバー（ｉｏ）は回動することができない。At this time, the lower pipe (13) of the locking member (11) is engaged with the engagement hole (15) of the fixing member (14), so the operating lever (io) cannot be rotated.
次に安全装置の他の実施例を説明する。Next, another embodiment of the safety device will be described.
第４図、第５図において、係止部材（１１）の上部パイ
プ（１２）には略Ｊ形状の切欠溝（２２）が穿設され、
この切欠溝（２２）には操作レバー（１０）に設けた規
制枠（２３）が遊貫されている。In FIGS. 4 and 5, a substantially J-shaped notch groove (22) is bored in the upper pipe (12) of the locking member (11),
A regulating frame (23) provided on the operating lever (10) is loosely inserted into this notched groove (22).
規制枠（２３）が切欠溝（２３）の上部に位置している
場合（第４図実線位置）には係止部材（１１）と固定都
合（第４図１点鎖線位置）には係止部材（１１）と係合
孔（１５）との係合が解除されており、操作レバー（１
０）は回動することかできる。When the regulation frame (23) is located at the top of the notch groove (23) (solid line position in Figure 4), it is locked with the locking member (11) (position shown by the one-dot chain line in Figure 4). The engagement between the member (11) and the engagement hole (15) is released, and the operation lever (1
0) can be rotated.
（Ｑ）発明の効果
以上の如く本発明は、作業時以外には操作レバに外装し
た係止部材を固定部材の係合孔に係合させることにより
操作レバーをロック位置にするようにしたので、不用意
に操作レバーに触れても操作レバーが回動することなく
安全である。(Q) Effects of the Invention As described above, in the present invention, the operating lever is placed in the locked position by engaging the locking member mounted on the operating lever with the engagement hole of the fixed member when not in operation. , the control lever will not rotate even if touched carelessly, making it safe.
第１図は本発明の安全装置を装備した操作レバーの一部
縦断面した側面図、第２図はブーツと７−ラスチーとを
除いた第１図のＡ矢視図、第３図は第１図のＢ−８断面
図、第４図は安全装置の他の実施例の一部縦断面した側
面図、第５図はブーツとブーツステーとを除いた第４図
のＣ矢視図である。
（１）は支持部材、（１０）は操作レバー、（１１）は
係止部材、（１４）は固定部材、（１５）は係合孔であ
る。
出願人 極東開発工業株式会社
第１図
第２図
第３図
第
図
第
図Fig. 1 is a partially vertically sectional side view of an operating lever equipped with the safety device of the present invention, Fig. 2 is a view taken along arrow A in Fig. 1 with the boot and 7-lasty removed, and Fig. 3 is a side view of the control lever equipped with the safety device of the present invention. 1 is a sectional view taken along line B-8 in FIG. 1, FIG. 4 is a partially vertically sectional side view of another embodiment of the safety device, and FIG. 5 is a view taken along arrow C in FIG. 4 with the boot and boot stay removed. be. (1) is a support member, (10) is an operating lever, (11) is a locking member, (14) is a fixing member, and (15) is an engagement hole. Applicant: Kyokuto Kaihatsu Kogyo Co., Ltd. Figure 1 Figure 2 Figure 3 Figure 3
Claims (1)
た係止部材と、前記操作レバーを取付けた支持部材に設
けられ、前記係止部材の下部と係脱自在となる係合孔を
穿設した固定部材と、前記係止部材を固定部材の係合孔
との係合位置に保持させる係合保持手段と、係止部材を
係合孔との係合解除位置に保持させる係合解除手段とを
設けてなる操作レバーの安全装置。A locking member is rotatably and slidably mounted on the operating lever, and an engagement hole is provided in the support member to which the operating lever is attached, and is capable of engaging and disengaging from the lower part of the locking member. a fixing member, an engagement holding means for holding the locking member in an engagement position with an engagement hole of the fixing member, and an engagement release means for holding the locking member in a disengagement position with the engagement hole. A safety device for an operating lever that is equipped with a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP412489A JPH02183818A (en) | 1989-01-11 | 1989-01-11 | Safety device for control lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP412489A JPH02183818A (en) | 1989-01-11 | 1989-01-11 | Safety device for control lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02183818A true JPH02183818A (en) | 1990-07-18 |
Family
ID=11576037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP412489A Pending JPH02183818A (en) | 1989-01-11 | 1989-01-11 | Safety device for control lever |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02183818A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1069248A2 (en) * | 1999-07-10 | 2001-01-17 | Deere & Company | Operating device |
| JP2008215058A (en) * | 2007-02-09 | 2008-09-18 | Yanmar Co Ltd | Working machine operating lever |
-
1989
- 1989-01-11 JP JP412489A patent/JPH02183818A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1069248A2 (en) * | 1999-07-10 | 2001-01-17 | Deere & Company | Operating device |
| EP1069248A3 (en) * | 1999-07-10 | 2001-04-04 | Deere & Company | Operating device |
| JP2008215058A (en) * | 2007-02-09 | 2008-09-18 | Yanmar Co Ltd | Working machine operating lever |
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