JPS632634U - - Google Patents
Info
- Publication number
- JPS632634U JPS632634U JP9739486U JP9739486U JPS632634U JP S632634 U JPS632634 U JP S632634U JP 9739486 U JP9739486 U JP 9739486U JP 9739486 U JP9739486 U JP 9739486U JP S632634 U JPS632634 U JP S632634U
- Authority
- JP
- Japan
- Prior art keywords
- operating means
- rotary solenoid
- instruction operating
- lowering
- switching valve
- 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
- 230000005284 excitation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案の油圧回路図で第２図は本考案
の電気制御回路図を示す。
１……指示操作手段、２……ロータリソレノイ
ド、３……可変抵抗器、４……切換弁、５……リ
フトシリンダ、６……油圧供給源、７……チエツ
クバルブ。
FIG. 1 is a hydraulic circuit diagram of the present invention, and FIG. 2 is an electrical control circuit diagram of the present invention. DESCRIPTION OF SYMBOLS 1...Instruction operation means, 2...Rotary solenoid, 3...Variable resistor, 4...Switching valve, 5...Lift cylinder, 6...Hydraulic pressure supply source, 7...Check valve.
Claims (1)
該励磁コイル２Ｃに供給する電流を制御する可変
抵抗器３および下降用指示操作手段１Ｄを直列に
接続して上記指示操作手段１を操作することによ
り下降時のみ作動するロータリソレノイド２と (ハ) 上記ロータリソレノイド２の作動と連動す
る切換弁４と (ニ) 上記切換弁４の作動により圧油が排出され
るリフトシリンダ５と (ホ) 上記リフトシリンダ５の排出側管路と油圧
供給源６からの圧油供給管路との間に介在せしめ
たチエツクバルブ７とを車体に設けてなるリフト
トラツクにおける油圧装置。[Scope of Claim for Utility Model Registration] (a) Instruction operating means 1 for instructing raising and lowering; and (b) excitation coil 2C of rotary solenoid 2, variable resistor 3 for controlling the current supplied to the excitation coil 2C, and lowering. A rotary solenoid 2 which operates only when descending by connecting the instruction operating means 1D in series and operating the instruction operating means 1, (c) a switching valve 4 which is interlocked with the operation of the rotary solenoid 2, and (d) the above. A lift cylinder 5 from which pressure oil is discharged by operation of the switching valve 4; and (e) a check valve 7 interposed between the discharge side pipe of the lift cylinder 5 and the pressure oil supply pipe from the hydraulic pressure supply source 6. A hydraulic system for a lift truck, which is provided on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9739486U JPS632634U (en) | 1986-06-24 | 1986-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9739486U JPS632634U (en) | 1986-06-24 | 1986-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632634U true JPS632634U (en) | 1988-01-09 |
Family
ID=30964270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9739486U Pending JPS632634U (en) | 1986-06-24 | 1986-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632634U (en) |
-
1986
- 1986-06-24 JP JP9739486U patent/JPS632634U/ja active Pending
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