JPS62161124U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of this invention, and FIG.
The voltage PV applied to the coil _L1 as the
and a graph showing changes in the voltage SV applied to the coil L ₂ , FIG. 2 (b) is a diagram for explaining the driving voltage supplied to the primary side M of the LIM in the same embodiment, and FIG. In the example, Fig. 3 A and B are graphs showing changes in the voltage PV applied to the coil _L1 and the voltage SV applied to the coil _L2 when the weight of the transported object increases. A front view and a plan view showing the configuration of a ground primary type conveyance device used as a drive source, FIG. 3C is a graph for explaining the traveling pattern of pallet 2 in the same conveyance device, and FIG. FIG. 2 is a perspective view showing the configuration of a secondary ground type conveyance device used as a source. M...Primary side of LIM (driving means), 2...Pallet (truck), 7...Secondary side conductor of LIM, 1
4... Track (conveyance path), 15... Power supply device, 16
a to 16c...Feeding line, 18a to 18c...Collector, 19...Voltage setting device (potential setting means), 2
0...Control wire, 20a...Conductor wire portion, 20b...Resistance wire portion, 21...Conductor wire, 22, 23...Contactor,
24...Tachometer generator (speed detection means), 2
5...Relay, _L1 , _L2 ...Coil, 26...
Fixed iron core, 27...Movable iron core, 28...Movable contact, 29...Fixed contact, 30...LIM control circuit,
32... Weight detector (weight detection means), 33...
Voltage regulation circuit (regulation means).

Claims (1)

[Scope of utility model registration request] a drive means for moving the cart along the conveyance path;
A control line provided along the conveyance path, a potential setting means for setting a predetermined potential distribution on the control line, a contact provided on the trolley and slidably in contact with the control line, and the trolley. speed detection means for detecting the moving speed of the conveyor, weight detection means for detecting the weight of the transported object loaded on the cart, and weight detection means for detecting the potential of the control line detected via the contactor. 1. A conveyance device comprising: an adjusting means for adjusting according to a detection result of the speed detecting means; and a control means for controlling on/off the driving means based on the outputs of the adjusting means and the speed detecting means.