Title:
【発明の名称】搬送車
Document Type and Number:
Japanese Patent JPH0712829
Kind Code:
B2
Abstract:
PURPOSE:To detect displacement in rotation of a conveyance vehicle based on a line of magnetic force and to enable instantaneous correction of the displacement by a method wherein an electromagnetic induction line to transmit a line of magnetic force to a conveyance passage is installed, and an electromagnetic induction antenna to receive the line of magnetic force is disposed to the conveyance vehicle. CONSTITUTION:By driving drive wheels 3, disposed to the four corners of the under surface of a car body 2, with the aid of respective drive motors 4, a conveyance vehicle 1 is run. In this case, when the conveyance vehicle 1 performs a spin turn in the position of an electromagnetic induction line 14 installed in a conveyance passage 13, the line 14 of electromagnetic force transmitted from the electromagnetic induction line 14 is received by electromagnetic induction antennas 10a - 10d disposed to the inner side of the respective drive wheels 3, and a change in a voltage is transmitted as a control signal to a control device 12. The control device 12 computes displacement in rotation, and outputs a correction signal to each motor 4 to correct rotation of each drive wheel 3.
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Inventors:
Fujiwara victory
Nakajima Setsuho
Nakao Akira
Nakajima Setsuho
Nakao Akira
Application Number:
JP31155088A
Publication Date:
February 15, 1995
Filing Date:
December 09, 1988
Export Citation:
Assignee:
Mitsui Miike Manufacturing Co., Ltd.
International Classes:
B60B19/00; B61B13/00; B62D9/00; B62D11/04; (IPC1-7): B62D9/00; B61B13/00
Domestic Patent References:
| JP62221707A | ||||
| JP61120666U | ||||
| JP5550830B2 |
Attorney, Agent or Firm:
Yanagihara