JPS61172820U - - Google Patents
Info
- Publication number
- JPS61172820U JPS61172820U JP5724685U JP5724685U JPS61172820U JP S61172820 U JPS61172820 U JP S61172820U JP 5724685 U JP5724685 U JP 5724685U JP 5724685 U JP5724685 U JP 5724685U JP S61172820 U JPS61172820 U JP S61172820U
- Authority
- JP
- Japan
- Prior art keywords
- travel
- neutral position
- drive
- switching valve
- hydraulic 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 238000009429 electrical wiring Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Description
図面は本考案の一実施例を示し、第１図は油圧
回路図、第２図はソレノイド切換弁の作動説明図
、第３図は駆動ポンプと走行レバーとの関係を示
す略体図、第４図は走行レバーと検知手段との対
応を示す水平断面図、第５図は検知手段とソレノ
イド切換弁との電気配線図、第６図はパワーシヨ
ベルの正面図、第７図は従来の油圧回路図である
。
６，７……駆動ポンプ、９，１０……走行モー
タ、１１……前輪、１２……後輪、１６，１７…
…走行レバー、２０……ソレノイド切換弁、２４
，２５……リミツトスイツチ。
The drawings show an embodiment of the present invention, in which Fig. 1 is a hydraulic circuit diagram, Fig. 2 is an explanatory diagram of the operation of the solenoid switching valve, Fig. 3 is a schematic diagram showing the relationship between the drive pump and the travel lever, and Fig. Figure 4 is a horizontal sectional view showing the correspondence between the travel lever and the detection means, Figure 5 is the electrical wiring diagram between the detection means and the solenoid switching valve, Figure 6 is a front view of the power shovel, and Figure 7 is the conventional hydraulic circuit. It is a diagram. 6, 7... Drive pump, 9, 10... Travel motor, 11... Front wheel, 12... Rear wheel, 16, 17...
... Travel lever, 20 ... Solenoid switching valve, 24
, 25...Limit switch.
Claims (1)
走行モータと、この走行モータと連繋する左右の
駆動ポンプを配設し、該駆動ポンプには走行、操
舵用の走行レバーをそれぞれ連繋するとともに、
前記走行モータと駆動ポンプとの間の油圧回路に
ソレノイド切換弁を介装し、また、前記左右の走
行レバーの中立位置に前記ソレノイド切換弁と継
電する検知手段を配設して、該左右の走行レバー
を中立位置に設定した時、前記走行モータへの油
圧回路を遮断する構成としたスキツドステア式産
業車両における車両中立位置保持構造。 A pair of travel motors that independently drive the left and right front and rear wheels in conjunction with each other, and left and right drive pumps that are connected to the travel motors are provided, and travel levers for travel and steering are connected to the drive pumps, respectively. ,
A solenoid switching valve is interposed in the hydraulic circuit between the travel motor and the drive pump, and a detection means for relaying power to the solenoid switching valve is disposed at the neutral position of the left and right travel levers. A vehicle neutral position holding structure in a skid steer type industrial vehicle configured to cut off a hydraulic circuit to the travel motor when a travel lever of the vehicle is set to the neutral position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5724685U JPS61172820U (en) | 1985-04-16 | 1985-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5724685U JPS61172820U (en) | 1985-04-16 | 1985-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61172820U true JPS61172820U (en) | 1986-10-27 |
Family
ID=30581590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5724685U Pending JPS61172820U (en) | 1985-04-16 | 1985-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61172820U (en) |
-
1985
- 1985-04-16 JP JP5724685U patent/JPS61172820U/ja active Pending