JPH0642900Y2 - Work vehicle pedal support structure - Google Patents
Work vehicle pedal support structureInfo
- Publication number
- JPH0642900Y2 JPH0642900Y2 JP1987083617U JP8361787U JPH0642900Y2 JP H0642900 Y2 JPH0642900 Y2 JP H0642900Y2 JP 1987083617 U JP1987083617 U JP 1987083617U JP 8361787 U JP8361787 U JP 8361787U JP H0642900 Y2 JPH0642900 Y2 JP H0642900Y2
- Authority
- JP
- Japan
- Prior art keywords
- pedal
- brake
- locking portion
- brake pedal
- boss
- 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.)
- Expired - Lifetime
Links
Landscapes
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Mechanical Control Devices (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 この考案は、ブレーキペダルや変速ペダルを支持する作
業車のペダル支持構造に関するものである。TECHNICAL FIELD The present invention relates to a pedal support structure of a work vehicle that supports a brake pedal and a speed change pedal.
従来の技術 従来、油圧式無段変速装置を有する四輪車体の作業車に
おいては、油圧式無段変速装置に連結された変速ペダル
及びブレーキ装置に連結されたブレーキペダルが設けら
れている。そして、これらの変速ペダル及びブレーキペ
ダルは作業車のシヤーシ等に固定されたボスに支持され
ており、変速ペダル用のボスとブレーキペダル用のボス
とは別個に設けられている。2. Description of the Related Art Conventionally, in a four-wheeled vehicle having a hydraulic continuously variable transmission, a shift pedal connected to the hydraulic continuously variable transmission and a brake pedal connected to the brake device are provided. The shift pedal and the brake pedal are supported by a boss fixed to the chassis of the work vehicle, and the boss for the shift pedal and the boss for the brake pedal are provided separately.
考案が解決しようとする問題点 変速ペダル用のボスとブレーキペダル用のボスとが別個
に設けられており、これらのボスを設置するために広い
設置スペースを必要とし、作業車の小型化を図ることが
困難である。Problems to be solved by the invention Since the boss for the speed change pedal and the boss for the brake pedal are provided separately, a large installation space is required to install these bosses, and the work vehicle is downsized. Is difficult.
また、ブレーキペダルを駐車ブレーキ位置に回動した際
にはその位置でブレーキペダルを固定するとともに変速
ペダルを中立位置で固定することが安全対策上必要であ
る。しかし、ブレーキペダルの回動中心と変速ペダルの
回動中心とが離れている場合、ブレーキペダルと変速ペ
ダルとを一つの固定部材で同時に固定しようとすれば固
定部材が大型化し、大型化した固定部材の大きな移動ス
ペースを確保し、また、固定部材と他の部品との干渉を
防止しなければならず、固定部材や他の部品の取付けに
制約を受ける。したがつて、ブレーキペダルと変速ペダ
ルとを一つの固定部材で同時に固定することは困難であ
る。一方、リンク機構等の採用により二以上の固定部材
を同時に作動させようとすれば構造が複雑になる。Further, when the brake pedal is rotated to the parking brake position, it is necessary to fix the brake pedal at that position and the transmission pedal at the neutral position as a safety measure. However, if the center of rotation of the brake pedal and the center of rotation of the speed change pedal are distant from each other, if the brake pedal and the speed change pedal are simultaneously fixed by one fixing member, the size of the fixing member becomes large, and the size of the fixing member becomes large. It is necessary to secure a large space for moving the member and prevent interference between the fixing member and other parts, which limits the attachment of the fixing member and other parts. Therefore, it is difficult to simultaneously fix the brake pedal and the speed change pedal with one fixing member. On the other hand, the structure becomes complicated if two or more fixing members are simultaneously operated by employing a link mechanism or the like.
問題点を解決するための手段 作業車の機枠部材にボスをほぼ水平に取付け、このボス
に油圧式無段変速装置に連結された変速ペダルとブレー
キ装置に連結されたブレーキペダルとを回動自在に取付
け、前記変速ペダルにその回動中心から離反した位置に
中立用係止部を形成し、前記ブレーキペダルにその回動
中心から離反した位置に駐車用係止部を形成し、前記ボ
スと変位した位置に設けられた支軸に固定部材を回動自
在に取付け、この固定部材に前記変速ペダルを中立位置
に位置させた状態で前記中立用係止部に係合する変速ペ
ダル用係止部と前記ブレーキペダルを駐車ブレーキ位置
に操作した状態で前記駐車用係止部に係合するブレーキ
ペダル用係止部とを形成し、前記変速ペダルを中立位置
に位置させるととも前記ブレーキペダルを駐車ブレーキ
位置に位置させた状態で前記固定部材を回動させて前記
中立用係止部と前記変速ペダル用係止部及び前記駐車用
係止部と前記ブレーキペダル用係止部とをそれぞれ係合
させるようにした。Means for Solving the Problems A boss is mounted substantially horizontally on the machine frame member of the work vehicle, and a speed change pedal connected to the hydraulic continuously variable transmission and a brake pedal connected to the brake device are rotated on the boss. It is freely attached, a neutral locking portion is formed on the shift pedal at a position away from the rotation center, and a parking locking portion is formed on the brake pedal at a position away from the rotation center. A fixing member is rotatably attached to a support shaft provided at a displaced position, and the gear pedal engaging member engages with the neutral locking portion in a state where the gear pedal is located at the neutral position on the fixing member. A stop portion and a brake pedal engaging portion that engages with the parking engaging portion in a state where the brake pedal is operated to the parking brake position, and the shift pedal is located at a neutral position and the brake pedal is also provided. To park The fixing member is rotated in the state of being positioned at the vehicle brake position to engage the neutral locking portion, the shift pedal locking portion, the parking locking portion, and the brake pedal locking portion, respectively. I tried to combine them.
作用 一つのボスが変速ペダルの支持とブレーキペダルの支持
とに用いられており、変速ペダルとブレーキペダルとは
広い設置スペースを要することなく設置されている。ま
た、変速ペダルとブレーキペダルとの回動中心が一致す
るため、ブレーキペダルの固定と変速ペダルの固定とを
行なう固定部材が小型かつ簡単な構造となる。Operation One boss is used to support the speed change pedal and the brake pedal, and the speed change pedal and the brake pedal are installed without requiring a large installation space. Further, since the rotation centers of the speed change pedal and the brake pedal coincide with each other, the fixing member for fixing the brake pedal and the speed change pedal has a small and simple structure.
実施例 この考案の一実施例を図面に基づいて説明する。油圧式
無段変速装置（図示せず）を有する四輪車体の作業車１
の機枠部材であるシヤーシ２にはこのシヤーシ２を左右
方向に貫通する状態でボス３が固定され、ボス３の内周
部には支軸４が軸心回りに回動自在に挿通されている。
前記支軸４の内方端には連結金具５が固定され、この連
結金具５と前記油圧式無段変速装置を作動させる変速レ
バー６との間にはロツド７が連結されている。また、前
記支軸４の外方端側には変速ペダル８と変速ペダル固定
用レバー９とがスプリングピン10により一体的に連結さ
れている。Embodiment An embodiment of the present invention will be described with reference to the drawings. Four-wheel vehicle working vehicle 1 having a hydraulic continuously variable transmission (not shown)
A boss 3 is fixed to a chassis 2 which is a machine frame member of the chassis 2 in a state of penetrating the chassis 2 in the left-right direction, and a support shaft 4 is inserted into an inner peripheral portion of the boss 3 so as to be rotatable about its axis. There is.
A connecting fitting 5 is fixed to an inner end of the support shaft 4, and a rod 7 is connected between the connecting fitting 5 and a speed change lever 6 for operating the hydraulic continuously variable transmission. A speed change pedal 8 and a speed change pedal fixing lever 9 are integrally connected by a spring pin 10 to the outer end side of the support shaft 4.
つぎに、前記ボス３の外周部には筒体11が外嵌され、こ
の筒体11にはブレーキ装置（図示せず）に連結されたブ
レーキペダル12が固定されている。なお、筒体11の内周
面と前記ボス３の外周面との間及び前記ボス３の内周面
と前記支軸４の外周面との間には潤滑剤としてのグリー
スが供給されるものであり、筒体11の外周面にグリース
ニツプル13が固定され、筒体11及びボス３にはグリース
供給穴14が形成されている。Next, a cylinder 11 is fitted on the outer peripheral portion of the boss 3, and a brake pedal 12 connected to a brake device (not shown) is fixed to the cylinder 11. Grease as a lubricant is supplied between the inner peripheral surface of the cylinder 11 and the outer peripheral surface of the boss 3 and between the inner peripheral surface of the boss 3 and the outer peripheral surface of the support shaft 4. The grease nipple 13 is fixed to the outer peripheral surface of the cylindrical body 11, and the grease supply hole 14 is formed in the cylindrical body 11 and the boss 3.
前記シヤーシ２には略Ｌ字形をした固定部材であるペダ
ル固定用プレート15が支軸16の軸心回りに回動自在に取
付けられ、このペダル固定用プレート15の一端には回動
操作用のレバー17が連結されている。また、前記ペダル
固定用プレート15の他端側には前記ブレーキペダル12に
固定された係止片18に係止される鋸刃状の係止部19が形
成されている。さらに、ペダル固定用プレート15を駐車
ブレーキ位置に回動操作した際に前記変速ペダル固定用
レバー９に固定された係合ピン20に係合する切欠部21が
形成されている。A pedal fixing plate 15 that is a substantially L-shaped fixing member is rotatably attached to the chassis 2 about the axis of the support shaft 16. One end of the pedal fixing plate 15 is used for rotating operation. The lever 17 is connected. Further, a saw blade-shaped engaging portion 19 that is engaged with an engaging piece 18 fixed to the brake pedal 12 is formed on the other end side of the pedal fixing plate 15. Further, there is formed a notch 21 that engages with the engagement pin 20 fixed to the shift pedal fixing lever 9 when the pedal fixing plate 15 is rotated to the parking brake position.
このような構成において、変速ペダル８を踏み込んでボ
ス３の軸心回りに矢印ａ方向に回動させると、変速ペダ
ル８と変速ペダル固定用レバー９と連結金具５とが一体
的に回動し、さらに、ロツド７を介して連結金具５に連
結された変速レバー６が矢印ａ′方向に回動し、油圧式
無段変速装置が変速ペダル８の踏み込み量に応じて無段
階に変速される。また、ブレーキペダル12を踏み込んで
ボス３の軸心回りに矢印ｂ方向に回動させるとブレーキ
装置が作動し、作業車が制動される。なお、図示しない
スプリングにより変速ペダル８は中立位置に回動する向
きに付勢され、及びブレーキペダル12はブレーキ解除位
置に回動する向きに付勢されている。In such a configuration, when the speed change pedal 8 is depressed to rotate about the axis of the boss 3 in the direction of the arrow a, the speed change pedal 8, the speed change pedal fixing lever 9, and the connecting fitting 5 rotate integrally. Further, the speed change lever 6 connected to the connecting fitting 5 via the rod 7 rotates in the direction of the arrow a ', and the hydraulic continuously variable transmission is steplessly changed according to the depression amount of the speed change pedal 8. . Further, when the brake pedal 12 is depressed and rotated around the axis of the boss 3 in the direction of arrow b, the brake device operates and the work vehicle is braked. The gear shift pedal 8 is biased by a spring (not shown) in the direction of turning to the neutral position, and the brake pedal 12 is biased in the direction of turning by the brake release position.
ここで、変速ペダル８とブレーキペダル12とが共通のボ
ス３により支持されており、変速ペダル８とブレーキペ
ダル12とを設置するための広い設置スペースが不要とな
る。なお、変速ペダル固定用レバー９のボス部22は前記
筒体11の一端に当接する位置に配置され、このボス部22
により筒体11はボス３からの抜け出しが防止されてい
る。Here, the speed change pedal 8 and the brake pedal 12 are supported by the common boss 3, so that a large installation space for installing the speed change pedal 8 and the brake pedal 12 is unnecessary. The boss portion 22 of the shift pedal fixing lever 9 is arranged at a position where it abuts on one end of the cylindrical body 11.
As a result, the tubular body 11 is prevented from coming out of the boss 3.
つぎに、駐車時においては、ブレーキペダル12を駐車ブ
レーキ位置で固定する必要があり、ブレーキペダル12を
踏み込んだ後にレバー17を上方に引き上げてペダル固定
用プレート15を支軸16の軸心回りに矢印ｃ方向に回動さ
せる。この回動により係止部19が係止片18に係止され、
ブレーキペダル12は駐車ブレーキ状態に維持される。一
方、ブレーキペダル12が駐車ブレーキ状態になってお
り、かつ、変速ペダル８が中立位置に位置している状態
でペダル固定用プレート15を回動させると、このペダル
固定用プレート15の回動により切欠部21が係合ピン20に
係合し、変速ペダル固定用レバー９の回動動作が規制さ
れる。これにより、変速ペダル固定用レバー９と一体的
に回動自在な変速ペダル８の回動動作も規制される。Next, at the time of parking, it is necessary to fix the brake pedal 12 at the parking brake position, and after depressing the brake pedal 12, the lever 17 is pulled up to move the pedal fixing plate 15 around the axis of the support shaft 16. Rotate in the direction of arrow c. By this rotation, the locking portion 19 is locked to the locking piece 18,
The brake pedal 12 is maintained in the parking brake state. On the other hand, when the pedal fixing plate 15 is rotated while the brake pedal 12 is in the parking brake state and the speed change pedal 8 is in the neutral position, the rotation of the pedal fixing plate 15 causes The notch 21 engages with the engagement pin 20, and the rotation operation of the shift pedal fixing lever 9 is restricted. As a result, the rotational movement of the speed change pedal 8 which is rotatable integrally with the speed change pedal fixing lever 9 is also restricted.
なお、筒体11の内周面と前記ボス３の外周面との間及び
前記ボス３の内周面と前記支軸４の外周面との間の滑動
する部分へのグリースの供給は共通化されているグリー
スニツプル13から行なえ、滑動する部分の保守を容易に
行なえる。It should be noted that the supply of grease to the sliding portions between the inner peripheral surface of the cylindrical body 11 and the outer peripheral surface of the boss 3 and between the inner peripheral surface of the boss 3 and the outer peripheral surface of the support shaft 4 is common. It is possible to start from the grease nipple 13 that is installed, and the sliding part can be easily maintained.
考案の効果 この考案は上述のように一つのボスを変速ペダルの支持
とブレーキペダルの支持とに共通させたことにより、変
速ペダルとブレーキペダルとの設置を狭い設置スペース
内において行なうことができ、これによつて作業車の小
型化を図ることができ、また、変速ペダルとブレーキペ
ダルとの回動中心が一致するために、駐車時においてブ
レーキペダルと変速ペダルとを同時に固定する固定部材
の小型化及び構造の簡単化を図ることができる等の効果
を有する。Effect of the Invention According to the present invention, as described above, one boss is commonly used for supporting the speed change pedal and the brake pedal, so that the speed change pedal and the brake pedal can be installed in a narrow installation space. As a result, the work vehicle can be downsized, and since the centers of rotation of the shift pedal and the brake pedal coincide with each other, the size of the fixing member that fixes the brake pedal and the shift pedal at the same time during parking is small. This has the effect of making it possible to simplify the structure and the structure.
図面はこの考案の一実施例を示すもので、第１図は側面
図、第２図はその背面図、第３図は駐車時の状態を示す
側面図である。 １……作業車、２……シヤーシ（機枠部材）、３……ボ
ス、８……変速ペダル、12……ブレーキペダル、15……
ペダル固定プレート（固定部材）The drawings show an embodiment of the present invention. FIG. 1 is a side view, FIG. 2 is a rear view thereof, and FIG. 3 is a side view showing a state during parking. 1 ... Work vehicle, 2 ... Chassis (machine frame member), 3 ... Boss, 8 ... Shift pedal, 12 ... Brake pedal, 15 ...
Pedal fixing plate (fixing member)
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０５Ｇ 5/00 Ｚ 8009−3Ｊ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location G05G 5/00 Z 8009-3J
Claims (1)
け、このボスに油圧式無段変速装置に連結された変速ペ
ダルとブレーキ装置に連結されたブレーキペダルとを回
動自在に取付け、前記変速ペダルにその回動中心から離
反した位置に中立用係止部を形成し、前記ブレーキペダ
ルにその回動中心から離反した位置に駐車用係止部を形
成し、前記ボスと変位した位置に設けられた支軸に固定
部材を回動自在に取付け、この固定部材に前記変速ペダ
ルを中立位置に位置させた状態で前記中立用係止部に係
合する変速ペダル用係止部と前記ブレーキペダルを駐車
ブレーキ位置に操作した状態で前記駐車用係止部に係合
するブレーキペダル用係止部とを形成し、前記変速ペダ
ルを中立位置に位置させるととも前記ブレーキペダルを
駐車ブレーキ位置に位置させた状態で前記固定部材を回
動させて前記中立用係止部と前記変速ペダル用係止部及
び前記駐車用係止部と前記ブレーキペダル用係止部とを
それぞれ係合させるようにしたことを特徴とする作業車
のペダル支持構造。1. A boss is mounted on a machine frame member of a work vehicle substantially horizontally, and a speed change pedal connected to a hydraulic continuously variable transmission and a brake pedal connected to a brake are rotatably attached to the boss. , A neutral locking portion is formed on the shift pedal at a position separated from the rotation center thereof, and a parking locking portion is formed on the brake pedal at a position separated from the rotation center thereof, which is displaced with the boss. A fixing member rotatably attached to a support shaft provided at a position, and a locking portion for a shift pedal, which engages with the neutral locking portion in a state where the shift pedal is positioned at the neutral position on the fixing member; A brake pedal engaging portion that engages with the parking engaging portion in a state where the brake pedal is operated to the parking brake position, and the shift pedal is positioned at a neutral position, and the brake pedal is used as a parking brake. position The fixing member is rotated in a state of being positioned so that the neutral locking portion and the shift pedal locking portion and the parking locking portion and the brake pedal locking portion are engaged with each other. A pedal support structure for a work vehicle characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987083617U JPH0642900Y2 (en) | 1987-05-29 | 1987-05-29 | Work vehicle pedal support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987083617U JPH0642900Y2 (en) | 1987-05-29 | 1987-05-29 | Work vehicle pedal support structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63189930U JPS63189930U (en) | 1988-12-07 |
| JPH0642900Y2 true JPH0642900Y2 (en) | 1994-11-09 |
Family
ID=30937367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987083617U Expired - Lifetime JPH0642900Y2 (en) | 1987-05-29 | 1987-05-29 | Work vehicle pedal support structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642900Y2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755670U (en) * | 1980-09-17 | 1982-04-01 | ||
| JPS57111623U (en) * | 1980-12-27 | 1982-07-10 | ||
| JPS59195025U (en) * | 1983-06-14 | 1984-12-25 | 株式会社クボタ | Work vehicle safety equipment |
| JPH0534997Y2 (en) * | 1985-08-16 | 1993-09-06 |
-
1987
- 1987-05-29 JP JP1987083617U patent/JPH0642900Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63189930U (en) | 1988-12-07 |
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