JPS647197U - - Google Patents
Info
- Publication number
- JPS647197U JPS647197U JP10198787U JP10198787U JPS647197U JP S647197 U JPS647197 U JP S647197U JP 10198787 U JP10198787 U JP 10198787U JP 10198787 U JP10198787 U JP 10198787U JP S647197 U JPS647197 U JP S647197U
- Authority
- JP
- Japan
- Prior art keywords
- lifting
- drive device
- lifting platform
- platform
- view
- 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
- 230000003028 elevating effect Effects 0.000 description 3
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
第１図乃至第６図は本考案の第１実施例を示し
、第１図は油圧回路図、第２図は側面図、第３図
は正面図、第４図は第２図のＡ−Ａ線矢視断面図
、第５図は可変リリーフ弁の断面図、第６図はグ
ラフ、第７図乃至第９図は本考案の第２実施例を
示し、第７図は油圧回路図、第８図は要部の平面
断面図、第９図は第８図のＢ−Ｂ線矢視図、第１
０図は本考案の第３実施例を示すブロツク図付き
側面図である。
１……車輌、２……車体、９……昇降装置、１
０，１４……固定・可動マスト、２０……昇降シ
リンダ（昇降駆動装置）、２１……昇降台、３２
……昇降用制御弁。
1 to 6 show a first embodiment of the present invention, in which FIG. 1 is a hydraulic circuit diagram, FIG. 2 is a side view, FIG. 3 is a front view, and FIG. 5 is a sectional view of the variable relief valve, FIG. 6 is a graph, FIGS. 7 to 9 show a second embodiment of the present invention, and FIG. 7 is a hydraulic circuit diagram. Figure 8 is a plan sectional view of the main part, Figure 9 is a view taken along the line B-B in Figure 8, and
FIG. 0 is a side view with a block diagram showing a third embodiment of the present invention. 1... Vehicle, 2... Vehicle body, 9... Lifting device, 1
0, 14... Fixed/movable mast, 20... Elevating cylinder (elevating drive device), 21... Elevating platform, 32
...Elevation control valve.
Claims (1)
１を昇降自在に備え、昇降台２１を昇降駆動する
昇降駆動装置２０を備えたものにおいて、 昇降台２１の高さが低い時に最大持上げ荷重が
大となるように、昇降駆動装置２０を制御する手
段を備えたことを特徴とする昇降装置。[Scope of claim for utility model registration] Lifting platform 2 on masts 10 and 14 erected on vehicle body 2
1, which can be raised and lowered freely, and is equipped with a lifting drive device 20 that drives the lifting platform 21 up and down, and the lifting drive device 20 is controlled so that the maximum lifting load is large when the height of the lifting platform 21 is low. A lifting device characterized by comprising means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10198787U JPS647197U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10198787U JPS647197U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647197U true JPS647197U (en) | 1989-01-17 |
Family
ID=31331481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10198787U Pending JPS647197U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647197U (en) |
-
1987
- 1987-07-02 JP JP10198787U patent/JPS647197U/ja active Pending