JPS61127083U - - Google Patents
Info
- Publication number
- JPS61127083U JPS61127083U JP1139185U JP1139185U JPS61127083U JP S61127083 U JPS61127083 U JP S61127083U JP 1139185 U JP1139185 U JP 1139185U JP 1139185 U JP1139185 U JP 1139185U JP S61127083 U JPS61127083 U JP S61127083U
- Authority
- JP
- Japan
- Prior art keywords
- control lever
- hydraulic motor
- crawler
- operating mechanism
- neutral position
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Operation Control Of Excavators (AREA)
- Road Paving Machines (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Mechanical Control Devices (AREA)
Description
第１図ないし第５図は本考案の一実施例を示す
もので、第１図は概略構成図、第２図は制御レバ
ーと連結部材との連結部の正面図、第３図は同平
面図、第４図は同断面図、第５図は電気回路図、
第６図は従来のクローラ式道路作業車の動力伝達
装置の概略構成図である。
Ｃ……クローラ走行装置、Ｍ……油圧モータ、
Ｐ′……可変ポンプ、２９……制御レバー、３１
……連結部材（伝達手段）、３２……レバー遊動
片、３６……長孔（不感帯）、４８……プツシユ
プルケーブル（伝達手段）、４９……操縦席レバ
ー（操作機構）、ＬＳＷ１……第１リミツトスイ
ツチ（位置検知手段）、ＬＳＷ２……第２リミツ
トスイツチ（位置検知手段）、ＳＯＬ……旋回ク
ラツチソレノイド（クラツチ制御手段）。
Figures 1 to 5 show an embodiment of the present invention, in which Figure 1 is a schematic configuration diagram, Figure 2 is a front view of the connecting portion between the control lever and the connecting member, and Figure 3 is the same plane. Figure 4 is a sectional view of the same, Figure 5 is an electric circuit diagram,
FIG. 6 is a schematic diagram of a power transmission device for a conventional crawler-type road work vehicle. C...Crawler traveling device, M...Hydraulic motor,
P'...Variable pump, 29...Control lever, 31
... Connecting member (transmission means), 32 ... Lever floating piece, 36 ... Long hole (dead zone), 48 ... Push-pull cable (transmission means), 49 ... Cockpit lever (operation mechanism), LSW1 ... ...First limit switch (position detection means), LSW2...Second limit switch (position detection means), SOL...Swivel clutch solenoid (clutch control means).
Claims (1)
圧モータに、該旋回用油圧モータの回転方向及び
回転速度を制御する制御レバーを備えた可変ポン
プが連結され、かつ上記制御レバーに伝達手段を
介して操作機構が連結されて成り、該操作機構に
よつて車体の走行方向を操作するクローラ式道路
作業車において、上記伝達手段と制御レバーとの
連結部に、上記制御レバーの中立位置における該
制御レバーに対する上記操作機構の一定範囲内の
動きの伝達を無効にする不感帯が形成され、かつ
上記制御レバーの中立位置を検出する位置検知手
段が該制御レバー近傍に設けられると共に、上記
位置検知手段によつて上記制御レバーの中立位置
が検出された場合に、上記旋回用油圧モータによ
る上記クローラ走行装置の旋回駆動を停止させる
クラツチ制御手段が設けられたことを特徴とする
クローラ式道路作業車。 A variable pump equipped with a control lever that controls the rotation direction and rotation speed of the swing hydraulic motor is connected to a swing hydraulic motor that drives the crawler traveling device to swing, and an operating mechanism is connected to the control lever via a transmission means. in a crawler-type road working vehicle in which the driving direction of the vehicle body is controlled by the operating mechanism, the control lever is connected to the control lever at the connecting portion between the transmission means and the control lever. A dead zone for disabling transmission of movement within a certain range of the operating mechanism is formed, and position detection means for detecting the neutral position of the control lever is provided near the control lever, and the position detection means detects the neutral position of the control lever. A crawler type road work vehicle, characterized in that a clutch control means is provided for stopping the turning drive of the crawler traveling device by the turning hydraulic motor when a neutral position of a control lever is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1139185U JPH045427Y2 (en) | 1985-01-30 | 1985-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1139185U JPH045427Y2 (en) | 1985-01-30 | 1985-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61127083U true JPS61127083U (en) | 1986-08-09 |
| JPH045427Y2 JPH045427Y2 (en) | 1992-02-17 |
Family
ID=30493469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1139185U Expired JPH045427Y2 (en) | 1985-01-30 | 1985-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045427Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03169745A (en) * | 1989-11-30 | 1991-07-23 | Niigata Eng Co Ltd | Running device for working vehicle |
-
1985
- 1985-01-30 JP JP1139185U patent/JPH045427Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03169745A (en) * | 1989-11-30 | 1991-07-23 | Niigata Eng Co Ltd | Running device for working vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH045427Y2 (en) | 1992-02-17 |
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