JP2000159096A - Hang-down transport device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To balance the force applied to guide roller by a load, minimize the running resistance, and lessen the overall height of a hang-down transport device so that a compact construction is accomplished. SOLUTION: A hang-down transport device is structured so that drive wheel 5 of a running body 1 is placed on the lower piece 3b of a rail 3 having an approx. channel-section to allow the running body 1 to run along the rail 3, a loading space 4 is suspended at the running body 1, and that the loading space 4 is elevated and sunk by a motor 11, wherein a running motor 2 to drive the drive wheel 5 is arranged at one side about the left-right direction pinching the vertical piece 3a of the rail 3 of the running body 1 running in the direction fore and aft, and at the other side, the elevating/sinking motor 11 is arranged for elevating and sinking the loading space 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging transport device that travels along a rail.

[0002]

2. Description of the Related Art As shown in FIG. 3, in this type of a conventional hanging transport device, a traveling motor for traveling a traveling body (1) is used.
(2) is a side of a vertical piece (3a) of a rail (3) having a U-shaped cross section,
That is, the lifting / lowering motor (11) which is mounted at a position shifted laterally from the center of the traveling body (1) and raises / lowers the carrier (4).
Is mounted near the center below the traveling body (1).

[0003]

In such a conventional configuration, a one-sided force F is always generated on the guide roller 6 by the motor load (W1) of the traveling motor (2). for that reason,
In addition to the running resistance of the wheel (5), the rolling resistance of the guide roller (6) is added, so that a running motor (2) having a large capacity is required. Further, since the lifting / lowering motor (5) is located below the rail (3), the overall height of the suspension / transportation device is inevitably increased. In addition, (7) in FIG. 3 is a suspension support shaft, (8) is a traveling vehicle, (9) is a winding drum, (10) is a suspension support belt, and (11) is an elevating motor. The description is omitted because it is the same as that in the description of the embodiment of the present invention.

[0004] In view of the above problems, the present invention balances the force applied by the load to the guide roller to minimize the running resistance and to reduce the overall height of the suspended transport device so as to be compact. It is an object of the present invention to provide a suspended transport device.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) A driving wheel of a traveling body is mounted on a lower piece of a rail having a substantially U-shaped cross section so that the traveling body travels along the rail, and a carrier is hung on the traveling body. In the hanging transport device configured to raise and lower the loading platform by a lifting motor, the driving wheels are driven to one side in the left-right direction across the vertical piece of the rail in the traveling body that travels in the front-rear direction. Arrange the traveling motor,
In addition, an elevating motor for elevating and lowering the carrier is disposed on the other side.

(2) In the above item (1), the lifting motor is mounted at substantially the same height as the rail.

[0007]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1 and FIG. 2, a traveling body (1) having a driving wheel (5) rolling on a lower piece (3b) of a rail (3) having a U-shaped cross section is provided with a suspension shaft (7). ) To suspend the traveling carriage (8).

The traveling body (1) is guided by a guide roller (6).
The upper and lower pieces (3c) and (3b) of the rail (3) hold the posture by sandwiching both ends of the upper piece (3c) and the lower piece (3b) on one side of the vertical piece (3a) of the rail (1). Traveling motor (2) arranged at the end of the traveling body on the side of the driving wheel (5) housed in the rail-shaped space
Thereby, the drive wheel (5) can be rolled.

Below the traveling carriage (8), a loading platform (4) is provided with a suspension belt (1) having its base end secured to a pair of left and right winding drums (9).
It is fixed to the free end of (0) and suspended.

An elevating motor (11) is mounted on the base plate (8a) of the traveling vehicle (8) on the side opposite to the traveling motor (2) around the vertical piece (3a) of the rail (3). ing. The elevating motor (11) occupies almost the same height position as the rail (3).

The output shaft of the lifting / lowering motor (11) and the above-mentioned winding drum (9) are connected by a chain or a timing belt (12). (13) shows an idler for adjusting the tension of the chain or the timing belt (12).

[0015] (15) is a holding object metal fitting which is urged downward by the spring (16), and (17) is a holding object such as a container placed on the loading platform (4).

The weight of the traveling motor (2) disposed on the traveling body (1) on one side with respect to the vertical piece (3a) of the rail (3).
(W1) is the base plate of the traveling vehicle (8) on the other side.
(8a) Balance with the weight (W2) of the elevating motor (11) disposed above. In other words, by mounting the lifting / lowering motor (11) having a weight of W2 on the opposite side of the traveling motor (2) having the weight (W1), the right and left weights of the rail (3) are substantially balanced.
The mounting position of the lifting motor (11) is determined.

By doing so, the guide roller
The force F ′ generated in (6) becomes small, and the rolling resistance, that is, the running resistance of this portion becomes small.
(2) can be reduced in size.

[0016]

According to the first aspect of the invention, the running resistance of the guide roller can be reduced, and the running motor can have a smaller capacity.

When the lifting motor is mounted at substantially the same height as the rails, the overall height of the apparatus can be reduced and made compact.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional front view of a main part of an embodiment of the present invention.

FIG. 2 is also a side view of a main part.

FIG. 3 is a vertical cross-sectional front view of a conventional hanging transport device.

[Explanation of symbols]

 (1) Traveling body (2) Traveling motor (3) Rail (3a) Vertical piece (3b) Lower piece (3c) Upper piece (4) Carrier (5) Drive wheel (6) Guide roller (7) Suspension shaft ( 8) Traveling trolley (8a) Base plate (9) Winding drum (10) Suspension belt (11) Lifting motor (12) Chain or timing belt (13) Idler (15) Carrier holding bracket (16) Spring (17 ) Conveyed goods

Claims (2)

[Claims] 1. A driving wheel of a traveling body is mounted on a lower piece of a rail having a substantially U-shaped cross section so that the traveling body travels along the rail, and a carrier is mounted on the traveling body. In a suspension transport device that is suspended and lifted by a lifting motor, the drive wheel is mounted on one side in the left-right direction of the traveling body that travels in the front-rear direction with the vertical piece of the rail interposed therebetween. A hanging transport device, comprising a traveling motor to be driven, and a lifting motor for lifting and lowering a carrier on another side. 2. The suspended transport device according to claim 1, wherein the lifting motor is mounted at substantially the same height as the rail.