JPH0414530A - Fitting structure of operating lever in operation car - Google Patents

Fitting structure of operating lever in operation car

Info

Publication number
JPH0414530A
JPH0414530A JP11653890A JP11653890A JPH0414530A JP H0414530 A JPH0414530 A JP H0414530A JP 11653890 A JP11653890 A JP 11653890A JP 11653890 A JP11653890 A JP 11653890A JP H0414530 A JPH0414530 A JP H0414530A
Authority
JP
Japan
Prior art keywords
lever
operating lever
operating
boarding
lock lever
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.)
Granted
Application number
JP11653890A
Other languages
Japanese (ja)
Other versions
JP2585453B2 (en
Inventor
Akira Tsuda
彰 津田
Shigeru Yuki
滋 幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP2116538A priority Critical patent/JP2585453B2/en
Publication of JPH0414530A publication Critical patent/JPH0414530A/en
Application granted granted Critical
Publication of JP2585453B2 publication Critical patent/JP2585453B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)

Abstract

PURPOSE:To raise the safety of driver by a method in which a lock lever is set on the position of an operating lever and projected to the pathway side during the operating period, and the lock lever is also allowed to approach the operating lever side during boarding and alighting period. CONSTITUTION:A lock lever 15 is set in a support tower 14 for keeping an operating lever 12 in an operating attitude and a boarding and alighting attitude. The lock lever 15 is pivotally attached to the horizontal shaft core Q of the support cylinder 14. A coupling recession 18 is formed on the base of the lever 15, and the first and second levers 20 and 21 are fixed to the bracket 19 of a slewing base. The distance of the lever 20 from the rocking shaft core P of the cylinder 14 is set up to be smaller than the lever 21. During operating period, the lever 15 is projected to the pathway S side and also allowed to approach the operating lever 12 side during boarding and alighting period. Unexpected falling-down of driver from the pathway for boarding and alighting during operation can thus be prevented.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はバックホウ、トラクタ等の作業車の操作レバー
取付構造に関するものである。詳しくは、運転座席の横
側位置に操作レバーを設け、この操作レバーを、前記座
席に対する乗降用の通路に突出させた操縦姿勢と、前記
通路から退避させた乗降姿勢とに移動可能構成するとと
もに、前記操作レバーを前記両姿勢に係止維持するため
のロックレバ−を設けてある作業車の操作レバー取付構
造に係る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an operating lever mounting structure for a work vehicle such as a backhoe or a tractor. Specifically, a control lever is provided on the side of the driver's seat, and this control lever is configured to be movable between a control position in which it protrudes into a passageway for getting on and off the seat and a position in which it is evacuated from the passageway. The present invention relates to an operating lever mounting structure for a working vehicle, which is provided with a lock lever for locking and maintaining the operating lever in both positions.

〔従来の技術〕[Conventional technology]

この種の作業車の操作レバー取付構造においては、従来
第６図に示すように、操作レバー（１２）を上部に備え
た支持塔（１４）を、その下部に設けた横軸心（Ｐ）周
りに前後揺動自在に設けることによって前記操作レバー
（１２）を座席（１１）に対する乗降用の通路に突出さ
せた操縦姿勢と、前記通路から退避させた乗降姿勢とに
移動可能に構成するとともに、前記操作レバーを前記両
姿勢に係止維持するためのロックレバ−を設けていた。Conventionally, in the operation lever mounting structure of this type of work vehicle, as shown in FIG. By providing the control lever (12) so as to be swingable back and forth around the seat, the operating lever (12) is configured to be movable between a control position in which it protrudes into a path for getting on and off the seat (11), and a boarding and alighting position in which it is retracted from the path. A lock lever is provided for locking and maintaining the operating lever in both positions.

すなわち、支持塔（１４）に横軸心（Ｑ）で枢着したロ
ックレバ−（１５）の係合凹部（１８）と旋回台（１）
側のロックレバ−（２０）、　（２１）とを係合させる
ことによって、支持塔（１４）を操縦姿勢（第６図の想
像線の状態）と乗降姿勢（第６図の実線の状態）とに係
止維持できるように構成してあった。That is, the engagement recess (18) of the lock lever (15) pivotally connected to the support tower (14) at the horizontal axis (Q) and the swivel base (1).
By engaging the side lock levers (20) and (21), the support tower (14) can be moved into the operating position (the state shown by the imaginary line in Figure 6) and the boarding position (the state shown by the solid line in Figure 6). It was constructed so that it could be kept locked in place.

つまり、座席（１１）に着座して作業車を操縦する場合
には操作レバー（１２）を手動操作し易いように、かつ
、前記通路（Ｓ）からの操縦者の不測の落下を牽制可能
に、支持塔（１４）を前に倒して前記通路（Ｓ）を塞ぐ
状態の操縦姿勢にするとともに、乗り降りの際には邪魔
にならないように支持塔（１４）を乗降姿勢に揺動移動
するといった具合に使用していた。In other words, when operating the work vehicle while seated on the seat (11), the control lever (12) can be easily operated manually, and the operator can be prevented from accidentally falling from the passageway (S). , the support tower (14) is tilted forward to take a control position that blocks the passageway (S), and the support tower (14) is swung to the boarding/disembarking position so as not to get in the way when boarding/disembarking. I was using it properly.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

しかしながら、前記従来技術によるとロックレバ−（１
５）は支持塔（１４）から前方へ向けて延出し、かつ、
ロックバー（２１）と保合解除用の揺動移動分よりも多
めに前方へ突出させた状態で配置して支持塔と一体移動
させることにより、ロックレバ−（１５）にも通路（Ｓ
）の遮断機能が加味されていたが、支持塔（１４）を乗
降姿勢にしても通路（Ｓ）側へ若干突出したロックバー
（１５）が妨げとなって意外に乗降し難いとともに、操
縦姿勢にした場合ではロックレバ−（１５）の突出が不
十分で前記通路（Ｓ）が十分に塞がれた状態になり難い
といった具合に、両姿勢のいずれにおいても改善の余地
が残されているものであった。However, according to the prior art, the lock lever (1
5) extends forward from the support tower (14), and
The lock lever (15) is also provided with a passageway (S
), but even if the support tower (14) is placed in the boarding/disembarking position, the lock bar (15) that protrudes slightly toward the aisle (S) side becomes an obstacle, making boarding and dismounting surprisingly difficult, and the control position In both positions, there is still room for improvement, such as the lock lever (15) not protruding sufficiently and the passageway (S) being difficult to close completely. Met.

本発明は上記不都合を解消することを目的とする。The present invention aims to solve the above-mentioned disadvantages.

〔課題を解決するための手段〕[Means to solve the problem]

上記目的を達成するために本発明は、冒頭に記載した作
業車の操作レバー取付構造において、前記ロックレバ−
を前記操作レバーの配設部位において該操作レバーと同
方向に移動する状態に設けるとともに、前記操作レバー
が操縦姿勢であるときには、前記ロックレバ−を前記操
作レバーから前記通路に張り出る方向へ突出させた状態
でロック作動可能に、かつ、前記操作レバーが乗降姿勢
であるときには、前記ロックレバ−を前記操作レバーに
近接させた状態で夫々ロック作動可能に構成してあるこ
とを特徴とする。In order to achieve the above object, the present invention provides the operation lever mounting structure for a work vehicle described at the beginning, in which the lock lever is
is provided in a position where the operating lever is disposed so as to move in the same direction as the operating lever, and when the operating lever is in a control position, the lock lever is made to protrude from the operating lever in a direction that extends into the passage. When the operating lever is in the getting-on/off position, the locking lever is configured to be able to be locked when the operating lever is close to the operating lever.

〔作用〕[Effect]

前記構成によれば、（イ）操作レバーを通路に突出させ
た操縦姿勢にすればロックレバ−は通路に大きく張り出
すことになり、これら両レバーが該通路を十分塞ぐよう
になるとともに、（０）乗降姿勢にすればロックレバ−
は操作レバーに近接するので、前記通路が十分に開口し
た状態となって乗り降りし易くなる。According to the above configuration, (a) if the control lever is placed in the operating position in which it protrudes into the passage, the lock lever will protrude greatly into the passage, and both levers will sufficiently block the passage; ) Lock lever when in boarding/disembarking position
Since it is close to the operating lever, the passageway is sufficiently opened, making it easy to get on and off the vehicle.

〔発明の効果〕〔Effect of the invention〕

従って、（イ）の作用により、作業車の稼働中に操縦者
の乗降用通路からの不測の落下が防止されて安全性を向
上し得たとともに、（Ｅｌ）の作用によって乗り降りし
易く乗降性に優れ、従来の不都合を解消した作業車の操
作レバー取付構造を提供することができた。Therefore, the effect of (B) prevents the operator from accidentally falling from the passageway for getting on and off while the work vehicle is in operation, improving safety, and the effect of (El) makes it easier to get on and off the vehicle. We were able to provide an operating lever mounting structure for a work vehicle that has excellent performance and eliminates the conventional inconveniences.

〔実施例〕〔Example〕

以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.

第３図に本発明に係る作業車の一例であるバックホウを
示している。このバックホウは、走行機体上に縦軸芯周
りで全旋回自在に旋回台（１）を搭載するとともに、こ
の旋回台（１）に掘削作業装置（２）を取り付け、上部
に運転部（３）を配設してある。FIG. 3 shows a backhoe which is an example of a working vehicle according to the present invention. This backhoe has a swivel base (1) mounted on the traveling body so that it can rotate freely around the vertical axis, an excavation work device (2) attached to the swivel base (1), and a driving unit (3) mounted on the top. are arranged.

前記掘削作業装置（２）は、スイングブラケット（４）
を介して格納揺動自在に取り付けられ、３個の油圧シリ
ンダ（５）、　（６）、　（７）により各別に揺動駆動
されるブーム（８）、アーム（９）及び、バスケット（
ｌＯ）から成り、この掘削作業装置（２）及び旋回台（
１）の駆動操作は、運転座席（１１）の横側に配設した
操作レバー（１２）の操作によって油圧制御バルブ（図
示せず）を制御することで行うよう構成してある。The excavation work device (2) includes a swing bracket (4)
A boom (8), an arm (9), and a basket (
1O), this excavation work equipment (2) and a swivel table (
The driving operation 1) is configured to be performed by controlling a hydraulic control valve (not shown) by operating an operating lever (12) disposed on the side of the driver's seat (11).

次に、前記操作レバー（１２）の取付部材構造について
説明する。Next, the structure of the mounting member for the operating lever (12) will be explained.

第１図、第２図に示すように、前記操作レバー（１２）
は、前後向き軸芯及び左右向き軸芯の周りで揺動操作自
在に、すなわち十字操作自在にレバー支持部材（１３）
に支持してあり、前記レバー支持部材（１３）は、下端
前部に設けた横軸芯（Ｐ）回りで前後揺動自在な支持塔
（１４）の上端部に取り付けである。As shown in FIGS. 1 and 2, the operating lever (12)
The lever support member (13) is swingable around the longitudinal axis and the left/right axis, that is, the lever support member (13) can be operated crosswise.
The lever support member (13) is attached to the upper end of a support tower (14) that is swingable back and forth about a horizontal axis (P) provided at the front of the lower end.

そして、支持塔（１４）を前後に揺動させることにより
、前記操作レバー（１２）を座席（１１）に対する乗降
用の通路に突出させた操縦姿勢と、前記通路から退避さ
せた乗降姿勢とに移動可能に構成するとともに、前記操
作レバー（１２）を前記両姿勢に係止維持するためのロ
ックレバ−（１５）を設けてある。By swinging the support tower (14) back and forth, the control lever (12) can be put into a control position in which it protrudes into the passageway for getting on and off the seat (11), and a position in which it is evacuated from the passageway. It is configured to be movable and is provided with a lock lever (15) for locking and maintaining the operating lever (12) in both positions.

前記ロックレバ−（１５）は、断面四角筒状の支持塔（
１４）の内部後面部位において横軸芯（Ｑ）で枢着して
あり、支持塔の側壁を迂回して前壁（１６）よりも若干
前となる支持塔前方位置へ延出してある。そして、支持
塔（１４）の内部においてロックレバ−（１５）の根元
部位に下向き開口状の係合凹部（１８）を形成するとと
もに、旋回台（１）側の立読ブラケット（１９）に横向
きの第１バー（２０）と第２バー（２１）を固定してあ
り、かつ、支持塔（１４）の揺動軸芯（Ｐ）から第１バ
ー　（２０）までの離間距離（Ｌｌ）を第２バー（２１
）のそれ（Ｌ２）よりも小に設定してある。The lock lever (15) has a support tower (
14) is pivoted at the transverse axis (Q) at the internal rear surface of the support tower, and extends to a position in front of the support tower, which is slightly in front of the front wall (16), bypassing the side wall of the support tower. Then, an engagement recess (18) with a downward opening is formed at the base of the lock lever (15) inside the support tower (14), and a horizontally facing engagement recess (18) is formed in the standing reading bracket (19) on the swivel base (1) side. The first bar (20) and the second bar (21) are fixed, and the distance (Ll) from the swing axis (P) of the support tower (14) to the first bar (20) is 2 bars (21
) is set smaller than that (L2).

作用を説明すると、支持塔（１４）を前方へ傾倒させて
操縦姿勢とした状態（第１図の想像線の状態）に係止維
持するには、ロックレバ−（１５）の係合凹部（１８）
を第１バー（２０）と係合したロック状態で現出させる
のであり、このときロックレバ−（１５）は通路（Ｓ）
に大きく張り出た状態になる。そして、支持塔（１４）
を後方へ傾倒させて乗降姿勢とし、この状態で係止維持
するには前記係合凹部（１８）が第２バー（２１）と係
合したロック状態（第１図の実線の状態）で現出させる
のであり、このときロックレバ−（１５）は、保合凹部
（１８）と第２バー（２１）との保合を解除するに必要
な最小限度の揺動移動分のみ支持塔（１４）の前壁（１
６）から前方に離れて位置している。つまり、支持塔（
１４）に近接した状態となっている。To explain the operation, in order to keep the support tower (14) locked in the state where it is tilted forward and set to the control position (the state shown by the imaginary line in Fig. 1), the engagement recess (18) of the lock lever (15) is )
appears in the locked state engaged with the first bar (20), and at this time the lock lever (15) is in the passage (S).
It will be in a state where it protrudes greatly. And the support tower (14)
To maintain the lock in this state by tilting the bar backwards to get on and off, the engaging recess (18) must be in the locked state (solid line in Figure 1) where it is engaged with the second bar (21). At this time, the lock lever (15) moves the support tower (14) only by the minimum swing movement necessary to release the locking recess (18) from the second bar (21). front wall (1
6) is located far away from the front. In other words, the support tower (
14).

〔別実施例〕[Another example]

第４図に示すようにロックレバ−（１５）の先端の握り
部（１５ａ）を支持塔（１４）の側方にずらし、かつ、
より後方側へ寄るように屈曲形成することにより、乗降
姿勢において前記握り部（１５ａ）が支持塔（１４）の
前壁（１６）よりも後方に寄るように構成し、乗降性を
より向上させたものでも良い。As shown in FIG. 4, shift the grip portion (15a) at the tip of the lock lever (15) to the side of the support tower (14), and
By bending the handle so that it is closer to the rear side, the grip portion (15a) is configured to be closer to the rear than the front wall (16) of the support tower (14) when getting on and off, thereby further improving the ease of getting on and off. It's okay to have something like that.

また、第５図に示すように支持塔（１４）をガイドレー
ル（２２）に沿って前後に平行移動自在にするとともに
、ロックレバ−（１５）下端の保合片（２３）を旋回台
（１）側の第１凹部（２４）と第２凹部（２５）とに係
合させることにより、支持塔（１４）を操縦姿勢と乗降
姿勢とに係止維持する構成としても良い。この場合では
、第１凹部（２４）を第２凹部（２５）よりも低位に設
けることによって両姿勢における支持塔（１４）に対す
るロックレバ−（１５）の相対位置を変更するのである
。In addition, as shown in FIG. 5, the support tower (14) can be freely moved back and forth in parallel along the guide rail (22), and the retaining piece (23) at the lower end of the lock lever (15) is attached to the swivel base (14). ) The support tower (14) may be engaged with the first recess (24) and the second recess (25) on the side so that the support tower (14) is kept locked in the control position and the boarding position. In this case, by providing the first recess (24) at a lower position than the second recess (25), the relative position of the lock lever (15) with respect to the support tower (14) in both positions is changed.

尚、特許請求の範囲の負に図面との対照を便利にする為
に符号を記すか、該記入により本発明は添付図面の構造
に限定されるものではない。It should be noted that the present invention is not limited to the structure shown in the accompanying drawings by adding reference numerals to the claims for convenience of comparison with the drawings.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明に係る作業車の操作レバー取付構造の実施
例を示し、第１図は該構造を示す側面図、第２図はロッ
クレバ−の付は根部構造を示す拡大側面図、第３図はバ
ックホウの側面図、２第４図、第５図はそれぞれ操作レ
バー取り付は構造の別実施例を示す側面図、第６図は従
来例を示す側面図である。The drawings show an embodiment of the operating lever mounting structure for a working vehicle according to the present invention, FIG. 1 is a side view showing the structure, FIG. 2 is an enlarged side view showing the base structure of the lock lever, and FIG. 2 is a side view of a backhoe, FIGS. 2, 4, and 5 are side views showing other embodiments of the structure in which the operating lever is attached, and FIG. 6 is a side view showing a conventional example.

Claims (1)

【特許請求の範囲】[Claims] 運転座席（１１）の横側位置に操作レバー（１２）を設
け、この操作レバー（１２）を、前記座席（１１）に対
する乗降用の通路（Ｓ）に突出させた操縦姿勢と、前記
通路（Ｓ）から退避させた乗降姿勢とに移動可能に構成
するとともに、前記操作レバー（１２）を前記両姿勢に
係止維持するためのロックレバー（１５）を設けてある
作業車の操作レバー取付構造であって、前記ロックレバ
ー（１５）を前記操作レバー（１２）の配設部位におい
て該操作レバー（１２）と同方向に移動する状態に設け
るとともに、前記操作レバー（１２）が操縦姿勢である
ときには、前記ロックレバー（１５）を前記操作レバー
（１２）から前記通路（Ｓ）に張り出る方向へ突出させ
た状態でロック作動可能に、かつ、前記操作レバー（１
２）が乗降姿勢であるときには、前記ロックレバー（１
５）を前記操作レバー（１２）に近接させた状態で夫々
ロック作動可能に構成してある作業車の操作レバー取付
構造。An operating lever (12) is provided on the side of the driver's seat (11), and the operating position is such that the operating lever (12) protrudes into the passageway (S) for getting on and off the seat (11), and the passageway ( An operating lever mounting structure for a work vehicle, which is configured to be movable from the boarding position to the boarding/dismounting position evacuated from S), and is provided with a lock lever (15) for locking and maintaining the operating lever (12) in both positions. The lock lever (15) is provided at a location where the operating lever (12) is disposed so as to move in the same direction as the operating lever (12), and the operating lever (12) is in a control posture. In some cases, the lock lever (15) can be locked in a state where it projects from the operating lever (12) in the direction of projecting into the passageway (S), and the operating lever (15)
2) is in the getting on/off position, the lock lever (1)
5) An operating lever mounting structure for a work vehicle, wherein the operating levers (12) are configured to be lockable when brought close to the operating lever (12).
JP2116538A 1990-05-02 1990-05-02 Work lever operation lever mounting structure Expired - Lifetime JP2585453B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2116538A JP2585453B2 (en) 1990-05-02 1990-05-02 Work lever operation lever mounting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2116538A JP2585453B2 (en) 1990-05-02 1990-05-02 Work lever operation lever mounting structure

Publications (2)

Publication Number Publication Date
JPH0414530A true JPH0414530A (en) 1992-01-20
JP2585453B2 JP2585453B2 (en) 1997-02-26

Family

ID=14689605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2116538A Expired - Lifetime JP2585453B2 (en) 1990-05-02 1990-05-02 Work lever operation lever mounting structure

Country Status (1)

Country Link
JP (1) JP2585453B2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6162970A (en) * 1984-09-04 1986-03-31 Seiko Epson Corp Dictionary for word processor of kana-kanji conversion
JPS6281665U (en) * 1985-11-12 1987-05-25
JPS6311727A (en) * 1986-06-30 1988-01-19 Hitachi Constr Mach Co Ltd Lever stand device for driver room for construction machine
JPS6419660U (en) * 1987-07-22 1989-01-31

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6162970A (en) * 1984-09-04 1986-03-31 Seiko Epson Corp Dictionary for word processor of kana-kanji conversion
JPS6281665U (en) * 1985-11-12 1987-05-25
JPS6311727A (en) * 1986-06-30 1988-01-19 Hitachi Constr Mach Co Ltd Lever stand device for driver room for construction machine
JPS6419660U (en) * 1987-07-22 1989-01-31

Also Published As

Publication number Publication date
JP2585453B2 (en) 1997-02-26

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