JPH04308189A - Unmanned conveying hoist - Google Patents

Abstract

PURPOSE:To automatically mode a hoist itself along a preset path. CONSTITUTION:A traveling beam 1 is traveled along a traveling rail 4 by the drive of a traveling motor 3, and a hoist main body 5 is traversed on the traveling beam 1 by the drive of a traversing motor 8. A controller 11 drives the traveling motor 3 and the traversing motor 8 so that a magnetic sensor 10 detects and traces a magnetic tape arranged on the ceiling.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unmanned conveyance hoist, in which the hoist body automatically travels and traverses along a guide line laid in advance.

0002

[Prior Art] In a hoist type crane, a traveling beam is driven by a traveling motor and travels on a traveling rail, and a hoist body moves sideways along the traveling beam, and a hook suspended from the hoist body moves up and down. ing. Each operation is executed by operating a push button on a hand push button section suspended from the hoist body.

In conventional hoist-type overhead cranes, the operator moves the hoist body by operating a push button at hand while visually confirming the movement. However, the hoist type overhead crane
When incorporating it into A (factory automation), it would be desirable to be able to make the hoist itself travel and traverse automatically, but there was no such thing in the past.

[0004] In view of the above-mentioned prior art, the present invention provides an unmanned transport hoist in which the hoist body can automatically move along a predetermined route.

[0005]

[Means for Solving the Problems] The structure of the present invention that solves the above problems includes: a traveling beam that travels along a traveling rail by driving a traveling motor; a hoist body that travels sideways along the traveling beam by driving a traversing motor; A guidance line is placed on a surface above the hoist body, a guidance line detection sensor is provided on the hoist body and detects the guidance line, and the guidance line detection sensor detects the guidance line in response to a detection signal from the guidance line detection sensor. The vehicle is characterized by comprising a control unit that controls driving of the traveling motor and the traversing motor so as to move along the vehicle.

[0006] When the hoist main body moves, the hoist main body moves by controlling the motor so that the guidance line detection sensor does not deviate from the guidance line.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows an embodiment of the invention. As shown in the figure, the running beam 1 has saddle units 2 on both sides, and the saddle units 2 have a built-in running motor 3. When the traveling motor 3 is driven, the traveling beam 1 travels on the traveling rail 4 in the direction A or B. The hoist main body 5 traverses on a traverse rail 6 laid on the traveling beam 1 and raises and lowers a hook 7. A traverse motor 8 and a hoisting motor are built into the hoist main body 5.

A support rod 9 is provided vertically on the upper surface of the hoist body 5.
is attached, and a magnetic sensor 10 is provided on the top of the support rod 9. On the other hand, the control unit 11 receives the signal detected by the magnetic sensor 10 and outputs a command to drive the traveling motor 3 and the traversing motor 8.

FIG. 2 shows the situation when looking at the ceiling from the floor. As shown in FIG. 2, a magnetic tape 13 is attached to the ceiling 12. The magnetic tapes 13 correspond one-to-one to the movement path along which the hoist main body 5 is moved. This magnetic tape 13 is detected by the magnetic sensor 10.

[0010] The hoist main body 5 moves automatically under the control of the control section 11. That is, the control unit 11 receives a detection signal from the magnetic sensor 10 and controls the drive motor 3 and the traverse motor 8 so that the magnetic sensor 10 detects and traces the magnetic tape 13. For this reason,
The hoist body 5 automatically moves along the magnetic tape 13.

In the above embodiment, a magnetic tape was used as the guide line and a magnetic sensor was used as the guide line detection sensor. However, when a light reflective tape or an electric wire carrying an alternating current is used as the guide line, the guide line detection An optical sensor or an electromagnetic coil may be used as the sensor.

0012

According to the present invention, as specifically explained in conjunction with the embodiments above, the hoist body can be automatically moved along a predetermined route.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a plan view showing a ceiling on which magnetic tape is arranged.

[Explanation of symbols]

1 Traveling beam 2 Saddle unit 3 Travel motor 4 Traveling rail 5 Hoist body 6 Traverse rail 7 Hook 8 Traverse motor 9 Support rod 10 Magnetic sensor 11 Control section

Claims (1)

[Claims] 1. A traveling beam that travels along a traveling rail by being driven by a traveling motor, a hoist body that travels sideways along the traveling beam by being driven by a traversing motor, and a guide line disposed on a surface above the hoist body. A guidance line detection sensor is provided in the hoist body and detects the guidance line, and upon receiving a detection signal from the guidance line detection sensor, the guidance line detection sensor controls the drive of the traveling motor and the traverse motor so that the guidance line detection sensor moves along the guidance line. An unmanned conveyance hoist characterized by having a control section.