JPS63200591U - - Google Patents
Info
- Publication number
- JPS63200591U JPS63200591U JP9110087U JP9110087U JPS63200591U JP S63200591 U JPS63200591 U JP S63200591U JP 9110087 U JP9110087 U JP 9110087U JP 9110087 U JP9110087 U JP 9110087U JP S63200591 U JPS63200591 U JP S63200591U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- command
- cargo handling
- rope
- belt
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control And Safety Of Cranes (AREA)
Description
図は本考案の実施例を示すもので、第１図はブ
ロツク図であり、第２図はタルミ検出器の取付例
、第３図は荷役物運搬機の概略図である。
１……操作部、２……指令器、３……位相制御
回路、４……電動機、５……速度発電機、６…速
度帰還回路、７……位置保持回路、８……加算点
、９……駆動軸、１０……ベルト或いはロープ等
、１１……荷役物、１２……中立指令発生回路、
１３……上下指令判別回路、１４……タルミ検出
器、１５……タルミ検出回路、１６……ＡＮＤ回
路、１７……切替接点、２１……支柱、２２……
巻き取りドラム、２３，２４……アーム。
The figures show an embodiment of the present invention; FIG. 1 is a block diagram, FIG. 2 is an example of how a slump detector is installed, and FIG. 3 is a schematic diagram of a cargo handling machine. DESCRIPTION OF SYMBOLS 1... Operating unit, 2... Command device, 3... Phase control circuit, 4... Electric motor, 5... Speed generator, 6... Speed feedback circuit, 7... Position holding circuit, 8... Addition point, 9... Drive shaft, 10... Belt or rope, etc., 11... Cargo handling object, 12... Neutral command generation circuit,
13...Upper/lower command discrimination circuit, 14...Stagnation detector, 15...Stagnation detection circuit, 16...AND circuit, 17...Switching contact, 21...Strut, 22...
Winding drum, 23, 24... arm.
Claims (1)
荷役物運搬機において、指令器２、位相制御回路
３、電動機４及び速度発電機５からなるフイード
バツク回路に上下指令判別回路１３を加え、タル
ミ検出回路１５及びＡＮＤ回路１６を配設し、更
に中立指令発生回路１２を配設すると共に切替接
点１７を設けたことを特徴とするタルミ戻し装置
。 In a cargo handling machine that uses a belt or rope to transmit power, a vertical command discrimination circuit 13 is added to a feedback circuit consisting of a command unit 2, a phase control circuit 3, an electric motor 4, and a speed generator 5, and a stagnation detection circuit 15 is used. and an AND circuit 16, a neutral command generating circuit 12, and a switching contact 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9110087U JPH0221512Y2 (en) | 1987-06-12 | 1987-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9110087U JPH0221512Y2 (en) | 1987-06-12 | 1987-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63200591U true JPS63200591U (en) | 1988-12-23 |
| JPH0221512Y2 JPH0221512Y2 (en) | 1990-06-11 |
Family
ID=30951574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9110087U Expired JPH0221512Y2 (en) | 1987-06-12 | 1987-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221512Y2 (en) |
-
1987
- 1987-06-12 JP JP9110087U patent/JPH0221512Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221512Y2 (en) | 1990-06-11 |