JPS6145472U - skid steer loader - Google Patents
skid steer loaderInfo
- Publication number
- JPS6145472U JPS6145472U JP13098384U JP13098384U JPS6145472U JP S6145472 U JPS6145472 U JP S6145472U JP 13098384 U JP13098384 U JP 13098384U JP 13098384 U JP13098384 U JP 13098384U JP S6145472 U JPS6145472 U JP S6145472U
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- hydraulic
- skid steer
- steer loader
- circuit
- 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
Landscapes
- Operation Control Of Excavators (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Feedback Control In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案を具体化したスキンドステアショベルの
側面図、第２図は走行レバー付近を示す要部斜視図、第
３図は油圧回路図、第４図は本考案の別例を示す油圧回
路、図、第５図は従米のスキ、ツドステアローダの走行
レバー付近を示す要部側面図である。
車輪・・・１１、走行レバー２０，２１、ロツド・・・
２２，２５、走行油圧ポンプ・・・２３，２６、走行モ
ータ・・・２９，３１、電磁バルブ・・・３０，３２，
４４、制御板・・・４０，４１、リミットスイッチ・・
・４２，４３。Figure 1 is a side view of a skinned steer excavator that embodies the present invention, Figure 2 is a perspective view of the main parts showing the vicinity of the travel lever, Figure 3 is a hydraulic circuit diagram, and Figure 4 is another example of the present invention. The hydraulic circuit shown in FIG. 5 is a side view of the main part showing the vicinity of the travel lever of the swivel steer loader. Wheels...11, travel levers 20, 21, rods...
22, 25, Travel hydraulic pump... 23, 26, Travel motor... 29, 31, Solenoid valve... 30, 32,
44, Control board...40,41, Limit switch...
・42,43.
Claims (1)
て左側車輪及び右側車輪を互いに独立して前転及び後転
可能なスキツドステアローダにおいて、前記走行レバー
が前記車輪を停止状態に保持する中立位置を含む所定領
域内に位置するときには車輪停止保持信号を発する中立
位置検出装置を設けるとともに、前記信号に基づいて車
輪駆動用油圧回路に接続される車輪停止保持用バイパス
回路を設けたことを特徴とするスキツドステアローダ。 ２ 前記車輪は走行油圧モータにより駆動され、前記バ
イパス回路は同モータに作動油を送り込むための走行油
圧ポンプと前記油圧モータとの間に介在された電磁バル
により切換形成されるものであり、前記走行油圧ボンプ
め閉回路を構成して前記油圧モータへの作動油流入番停
止するものである実用新案登録請求の範囲第１項に記載
のスキッドステアロダ。 ＝３ 前記バイパス回路は、左走行油圧ポンプと左走行
油圧モータとの閉回路及び右走行油圧ポンプと右走行油
圧モータとの閉回路の間に介在された電磁バルブにより
切換形成されるものであり、前記両閉回跨から分流する
ものである実用新案登録請求の範囲第１項に記載のスキ
ッドステアローダ。 ４ 前記中立位置検出装置は前記走行レバーの伝達系に
止着された制御板と、前記走行レバーが中立状態のとき
同制御板と対向するりミットスイツチとから構成されて
いる実用新案登録請求の範囲第１〜３項のいずれか１項
に記載のスキツドステアローダ。[Claims for Utility Model Registration] 1. A skid steer loader in which a left wheel and a right wheel can be rotated forward and backward independently of each other via a hydraulic circuit by operating a pair of left and right travel levers, wherein the travel lever is A neutral position detection device is provided that issues a wheel stop holding signal when the wheel is located within a predetermined area including a neutral position that holds the wheel in a stopped state, and the wheel stop holding device is connected to a wheel drive hydraulic circuit based on the signal. A skid steer loader characterized by being equipped with a bypass circuit. 2. The wheels are driven by a traveling hydraulic motor, and the bypass circuit is switched and formed by an electromagnetic valve interposed between a traveling hydraulic pump for feeding hydraulic oil to the motor and the hydraulic motor; The skid steer loader according to claim 1, wherein a travel hydraulic pump closing circuit is configured to stop the flow of hydraulic oil into the hydraulic motor. =3 The bypass circuit is switched and formed by an electromagnetic valve interposed between a closed circuit between the left hydraulic pump and the left hydraulic motor and a closed circuit between the right hydraulic pump and the right hydraulic motor. , the skid steer loader according to claim 1, wherein the flow is branched from both closed circuits. 4. The neutral position detection device comprises a control plate fixed to the transmission system of the travel lever, and a limit switch that faces the control plate when the travel lever is in the neutral state. A skid steer loader according to any one of ranges 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13098384U JPS6145472U (en) | 1984-08-29 | 1984-08-29 | skid steer loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13098384U JPS6145472U (en) | 1984-08-29 | 1984-08-29 | skid steer loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6145472U true JPS6145472U (en) | 1986-03-26 |
Family
ID=30689575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13098384U Pending JPS6145472U (en) | 1984-08-29 | 1984-08-29 | skid steer loader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6145472U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142129A (en) * | 1986-12-03 | 1988-06-14 | Komatsu Ltd | Controller for construction machine |
| JPS63142130A (en) * | 1986-12-03 | 1988-06-14 | Komatsu Ltd | Controller for construction machine |
| JPH02144750U (en) * | 1989-05-08 | 1990-12-07 | ||
| JP2002242231A (en) * | 2001-02-22 | 2002-08-28 | Komatsu Ltd | Reverse action detecting device for work vehicle |
-
1984
- 1984-08-29 JP JP13098384U patent/JPS6145472U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142129A (en) * | 1986-12-03 | 1988-06-14 | Komatsu Ltd | Controller for construction machine |
| JPS63142130A (en) * | 1986-12-03 | 1988-06-14 | Komatsu Ltd | Controller for construction machine |
| JPH02144750U (en) * | 1989-05-08 | 1990-12-07 | ||
| JP2002242231A (en) * | 2001-02-22 | 2002-08-28 | Komatsu Ltd | Reverse action detecting device for work vehicle |
| JP4522002B2 (en) * | 2001-02-22 | 2010-08-11 | 株式会社小松製作所 | Work vehicle reverse operation detection device |
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