JPH0283900U - - Google Patents
Info
- Publication number
- JPH0283900U JPH0283900U JP16128488U JP16128488U JPH0283900U JP H0283900 U JPH0283900 U JP H0283900U JP 16128488 U JP16128488 U JP 16128488U JP 16128488 U JP16128488 U JP 16128488U JP H0283900 U JPH0283900 U JP H0283900U
- Authority
- JP
- Japan
- Prior art keywords
- heavy object
- input
- pressure medium
- control device
- cylinder
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は、本考案による重量物上昇下降制御装
置を示すブロツク図である。
１は切替バルブ、３はシヤトルバルブ、３ａは
第１入力部、３ｂは第２入力部、３ｃは出口部、
４は調整器、４ａは排出部、６はシリンダ、７は
ピストンロツド、８は重量物である。
FIG. 1 is a block diagram showing a heavy object lifting/lowering control device according to the present invention. 1 is a switching valve, 3 is a shuttle valve, 3a is a first input part, 3b is a second input part, 3c is an outlet part,
4 is a regulator, 4a is a discharge part, 6 is a cylinder, 7 is a piston rod, and 8 is a heavy object.
Claims (1)
シリンダ６のピストンロツド７に設けられた重量
物８を上下動させるようにした重量物上昇下降制
御装置において、前記圧力媒体の入力を受ける第
１入力部３ａ及び第２入力部３ｂを有するシヤト
ルバルブ３と、前記シヤトルバルブ３に設けられ
前記シリンダ６に圧力媒体を供給するための出口
部３ｃと、前記切換バルブ１と前記第２入力部３
ｂとの間に設けられ排出部４ａを有する圧力の調
整器４とを備え、前記調整器４及びシヤトルバル
ブ３を介して供給された圧力媒体の押上力Ｆ１が
前記重量物８の重量Ｗよりも小さい時に前記重量
物８の下降がなされ、この状態における前記押上
力Ｆ１に手動による押上力Ｆを付加することによ
り前記重量物８を手動で持上げることができるよ
うに構成したことを特徴とする重量物上昇下降制
御装置。 In a heavy object lifting/lowering control device configured to vertically move a heavy object 8 provided on a piston rod 7 of a cylinder 6 using a pressure medium input from a switching valve 1, a first input section receives input of the pressure medium. 3a and a second input part 3b; an outlet part 3c provided in the shuttle valve 3 for supplying pressure medium to the cylinder 6; the switching valve 1 and the second input part 3;
and a pressure regulator 4 having a discharge part 4a, which is provided between the regulator 4 and the shuttle valve 3. The heavy object 8 is lowered when it is smaller than , and the heavy object 8 can be manually lifted by adding a manual push-up force F to the push-up force F1 in this state. Features: Heavy object lifting/lowering control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16128488U JPH0632960Y2 (en) | 1988-12-14 | 1988-12-14 | Heavy object up / down control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16128488U JPH0632960Y2 (en) | 1988-12-14 | 1988-12-14 | Heavy object up / down control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0283900U true JPH0283900U (en) | 1990-06-28 |
| JPH0632960Y2 JPH0632960Y2 (en) | 1994-08-31 |
Family
ID=31444078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16128488U Expired - Lifetime JPH0632960Y2 (en) | 1988-12-14 | 1988-12-14 | Heavy object up / down control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632960Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011025389A (en) * | 2009-07-29 | 2011-02-10 | Jatco Ltd | Tool elevating device |
-
1988
- 1988-12-14 JP JP16128488U patent/JPH0632960Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011025389A (en) * | 2009-07-29 | 2011-02-10 | Jatco Ltd | Tool elevating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632960Y2 (en) | 1994-08-31 |
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