JPH0444277U

JPH0444277U -

Info

Publication number: JPH0444277U
Application number: JP8652890U
Authority: JP
Priority date: 1990-08-18
Filing date: 1990-08-18
Publication date: 1992-04-15

Description

[Brief explanation of the drawing]

第１図は本考案に係るデジタル多段速制御用操
作スイツチの構成を示す概略説明（一部断面）図
、第２図は第１図のＡ−Ａ矢視図、第３図はスイ
ツチ接点の説明図、第４図はレバーの操作位置の
段階区分とスイツチ接点のＯＮ、ＯＦＦの組み合
せの関係を示す説明図、第５図はスイツチ接点と
リレーとの関係を示す説明図、第６図はインバー
タの端子とスイツチとのＯＮ、ＯＦＦの組み合わ
せによる全デジタル５段速運転の関係を示す説明
図、第７図はリレーとインバータの端子との関係
を示す説明図である。１……スイツチボツクス、１ａ……段部、２…
…レバーガード、３……つまみ、４……ボルト、
５……レバー、６……扇形ギヤ、７……ピン、８
……ピニオン、９……軸固定枠、１０……ブツシ
ユ、１１……カラー、１２……カム軸、１３……
板カム、１４……接点取り付けベース、１５……
ナイロンビス、１６……可動接点、１７……固定
接点、１８……トーシヨンスプリング、ｓｗ_１〜
ｓｗ_６……スイツチ接点、ＳＷ_１０〜ＳＷ_３０…
…インバータのスイツチ、Ｔ_１〜Ｔ_７……インバ
ータの端子、Ｘ_１〜Ｘ_６……リレー。 Fig. 1 is a schematic explanatory (partially cross-sectional) view showing the configuration of the digital multi-speed control operation switch according to the present invention, Fig. 2 is a view taken along arrow A-A in Fig. 1, and Fig. 3 is a diagram showing the switch contacts. An explanatory diagram, Fig. 4 is an explanatory diagram showing the relationship between the stage classification of the operating position of the lever and the combination of ON and OFF of the switch contact, Fig. 5 is an explanatory diagram showing the relationship between the switch contact and the relay, and Fig. 6 is FIG. 7 is an explanatory diagram showing the relationship between the ON and OFF combinations of the inverter terminal and the switch in a fully digital five-speed operation, and FIG. 7 is an explanatory diagram showing the relationship between the relay and the inverter terminal. 1... Switch box, 1a... Step part, 2...
...lever guard, 3...knob, 4...bolt,
5...Lever, 6...Sector gear, 7...Pin, 8
... Pinion, 9 ... Shaft fixing frame, 10 ... Button, 11 ... Collar, 12 ... Camshaft, 13 ...
Plate cam, 14... Contact mounting base, 15...
Nylon screw, 16...Movable contact, 17...Fixed contact, 18...Torsion spring, sw ₁ ~
sw ₆ ... switch contact, SW ₁₀ to _{SW 30} ...
...Inverter switch, _T1 to _T7 ...Inverter terminal, _X1 to _X6 ...Relay.

Claims

[Scope of utility model registration request]

In an inverter crane speed control device that enables digital multi-speed operation using an operating switch having multiple operating positions, the operating switch includes a gear mechanism coupled to a rotatable lever and a cam interlocked with the gear mechanism. A shaft, a plurality of plate cams with different cam stage positions fixed to the camshaft at appropriate intervals, and turning ON and OFF respectively by rotation of each plate cam.
A protective case houses a switch contact that is turned F and a spring that holds the lever in a neutral position, and the switch contact that is turned
An operation switch for digital multi-speed control, characterized in that various combinations of N and OFF are formed differently.