JPH0252891U - - Google Patents
Info
- Publication number
- JPH0252891U JPH0252891U JP13172888U JP13172888U JPH0252891U JP H0252891 U JPH0252891 U JP H0252891U JP 13172888 U JP13172888 U JP 13172888U JP 13172888 U JP13172888 U JP 13172888U JP H0252891 U JPH0252891 U JP H0252891U
- Authority
- JP
- Japan
- Prior art keywords
- hoisting machine
- hoisting
- loaded
- enables
- selection switch
- 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 1
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Description
第１図は本考案を適用した天井クレーンの概略
的正面図、第２図は同クレーンの安全装置の回路
図である。
図中、５は主巻上機、８は補巻上機、１０は切
換スイツチ、１１は論理回路である。
FIG. 1 is a schematic front view of an overhead crane to which the present invention is applied, and FIG. 2 is a circuit diagram of the crane's safety device. In the figure, 5 is a main hoisting machine, 8 is an auxiliary hoisting machine, 10 is a changeover switch, and 11 is a logic circuit.
Claims (1)
置において、上記主巻上機及び補巻上機のいずれ
か一方を選択可能な選択スイツチと、これら両巻
上機が共に荷重なしの時に両巻上機の作動を可能
とし、少なくとも一方の巻上機が荷重ありの時に
上記選択スイツチで選択した方の巻上機の作動を
可能とする論理回路とを備えたことを特徴とする
クレーンの安全装置。 In the safety device of a crane having a main hoisting machine and an auxiliary hoisting machine, there is a selection switch that can select either the main hoisting machine or the auxiliary hoisting machine, and when both hoisting machines are not loaded. A crane characterized in that it is equipped with a logic circuit that enables both hoisting machines to operate, and that enables the operation of the hoisting machine selected by the selection switch when at least one hoisting machine is loaded. safety equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13172888U JPH0252891U (en) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13172888U JPH0252891U (en) | 1988-10-11 | 1988-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0252891U true JPH0252891U (en) | 1990-04-17 |
Family
ID=31388063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13172888U Pending JPH0252891U (en) | 1988-10-11 | 1988-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0252891U (en) |
-
1988
- 1988-10-11 JP JP13172888U patent/JPH0252891U/ja active Pending
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