JPS61139996U - - Google Patents
Info
- Publication number
- JPS61139996U JPS61139996U JP2224885U JP2224885U JPS61139996U JP S61139996 U JPS61139996 U JP S61139996U JP 2224885 U JP2224885 U JP 2224885U JP 2224885 U JP2224885 U JP 2224885U JP S61139996 U JPS61139996 U JP S61139996U
- Authority
- JP
- Japan
- Prior art keywords
- cylinders
- switching valve
- small diameter
- receiving area
- pressure receiving
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
図面第１図はこの考案の第１実施例の回路図、
第２図は第２実施例の回路図、第３図は従来の回
路図である。
１１……切換弁、１４〜１６……通路、１７…
…大径シリンダ、１８，１９……小径シリンダ、
２０……バルブ機構としての電磁開閉弁、２１…
…ポンプ、２３……バルブ機構としてのプレツシ
ヤーシーケンス弁。
Figure 1 is a circuit diagram of the first embodiment of this invention;
FIG. 2 is a circuit diagram of the second embodiment, and FIG. 3 is a conventional circuit diagram. 11...Switching valve, 14-16...Passage, 17...
...Large diameter cylinder, 18,19...Small diameter cylinder,
20... Electromagnetic on-off valve as a valve mechanism, 21...
...Pump, 23...Pressure sequence valve as a valve mechanism.
Claims (1)
備え、両小径シリンダのピストンの受圧面積合計
に対して、大径シリンダのピストンの受圧面積を
等しいかあるいは大きくするとともに、これら各
シリンダとポンプとの間に切換弁を設け、この切
換弁を介して１台のポンプで上記各シリンダを伸
長動作させるフオークリフトにおいて、上記切換
弁と一方の小径シリンダとを連通させる通路に、
この通路を開閉するバルブ機構を設けたフオーク
リフトの油圧回路。 It is equipped with one large diameter cylinder and two small diameter cylinders, and the pressure receiving area of the large diameter cylinder piston is equal to or larger than the total pressure receiving area of the pistons of both small diameter cylinders, and each of these cylinders and the pump In a forklift in which a switching valve is provided between the switching valve and each of the cylinders is extended by one pump via the switching valve, a passage communicating between the switching valve and one of the small diameter cylinders,
The forklift hydraulic circuit is equipped with a valve mechanism that opens and closes this passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2224885U JPS61139996U (en) | 1985-02-19 | 1985-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2224885U JPS61139996U (en) | 1985-02-19 | 1985-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139996U true JPS61139996U (en) | 1986-08-29 |
Family
ID=30514371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2224885U Pending JPS61139996U (en) | 1985-02-19 | 1985-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011246216A (en) * | 2010-05-25 | 2011-12-08 | Nippon Yusoki Co Ltd | Hydraulic system and forklift equipped with the same |
| JP2012505133A (en) * | 2008-10-09 | 2012-03-01 | カスケード コーポレーション | Hydraulic clamping force equalization control |
-
1985
- 1985-02-19 JP JP2224885U patent/JPS61139996U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012505133A (en) * | 2008-10-09 | 2012-03-01 | カスケード コーポレーション | Hydraulic clamping force equalization control |
| JP2011246216A (en) * | 2010-05-25 | 2011-12-08 | Nippon Yusoki Co Ltd | Hydraulic system and forklift equipped with the same |