JP2001130406A - Reciprocating carriage on track - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reciprocating carriage on track capable of conveying an article mounted on a loading-space of the carriage in a no track area without installing a carriage track on the no track area where the carriage track can not be installed. SOLUTION: In this reciprocating carriage on track comprising a carriage track 14 and a carriage 13 kept into contact with the carriage track 14 and guided at a guide part 25 for reciprocating a loading-space 12, the carriage track 14 is installed on an area different from a predetermined no track area 16, the carriage 13 is provided with the guide part 25 on the side of the loading- space 12 while shifted from the loading-space 12, and the loading-space 12 is guided on the carriage track 14 at the guide part 25 in a state that it is located on the no-track area 16 to be reciprocated and moved in the no-track area 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reciprocating tracked bogie having a bogie track and a bogie guided by the bogie track and reciprocating.

[0002]

2. Description of the Related Art Heretofore, a reciprocating track bogie has been used in which a bogie is guided on an installed bogie track for transporting articles placed on a carrier thereof.

[0003]

By the way, for example, a reciprocating tracked vehicle is placed on the carrier of an area where a track for guiding the automatic guided vehicle is laid so as to cross the track of the automatic guided vehicle. When the conveyed articles are conveyed, the bogie trajectory of the reciprocating tracked bogie must be arranged so as to intersect with the trajectory of the automatic guided vehicle in plan view. There is a problem that this has a considerable effect on the movement of the vehicle. Therefore,
The present invention does not arrange the truck track in an area where the truck track cannot be arranged, for example, in a truck track non-placement area such as an area where the track of the automatic guided vehicle is provided, and disposes the articles placed on the carrier of the truck without the truck track. It is an object of the present invention to provide a reciprocating track bogie that can be transported in an area.

[0004]

In order to achieve the above object, a first aspect of the present invention is to provide a truck track and a guide section which contacts and guides the truck track to reciprocate along the truck track. In a reciprocating tracked truck having a truck that reciprocates a carrier, the truck track is provided in an area different from a predetermined truck track non-arranged area, and the truck is provided on the carrier side of the carrier. The guide portion is provided so as to be shifted to the opposite position, and the carrier is guided by the bogie track in the guide portion in a state where the carrier is arranged on the bogie track non-placement area side, so that the carrier is moved to the bogie track non-placement area. It is characterized by being reciprocated with. In this way, the bogie track is provided in a different area from the predetermined bogie track non-arranged area, and the bogie is provided with a guide portion which is shifted to the side of the bogie with respect to the bogie, and the bogie is positioned in the bogie track non-arranged area. By being guided on the bogie track at the guide portion while being disposed on the side, the carrier is reciprocated in the bogie track non-arranged area.

According to a second aspect of the present invention, another track is provided in the bogie track non-arranged area, and the bogie track is
It is characterized in that the extension line extends in a direction intersecting the other trajectory in plan view. In this way, the bogie track is arranged in an area different from the bogie track non-arranged area provided with another track so that an extension thereof extends in a direction intersecting the other track in plan view. For the bogie, a guide portion is provided on the side of the carrier so as to be displaced from the carrier, and the carrier is guided to the bogie track at the guide portion in a state where the carrier is arranged on the bogie track non-arranged area side. Thus, the carrier is reciprocated in the bogie track non-arranged area so as to cross the other track.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a reciprocating tracked carriage according to the present invention will be described below with reference to FIGS. The reciprocating tracked carriage 11 is a carriage 13 having a carrier 12 on which articles are placed, and a linear carriage laid on the floor F in parallel with the floor F to guide the traveling of the carriage 13. And a track 14.

On the other hand, in the vicinity of the reciprocating tracked vehicle 11, a magnetic track (other track) is provided below the floor surface F in parallel with the floor surface F (not shown). Guides the automatic guided vehicle. The predetermined area where the bogie track 14 cannot be arranged because the automatic guided vehicle travels is referred to as a bogie track non-arranged area 16. 13 is moved in a direction crossing the magnetic track.

In other words, the bogie track 14 is different from the bogie track non-placement area 16 in the bogie track layout area 1
7, and the extension of the extension extends in a direction intersecting (specifically, orthogonally) the magnetic orbit in plan view.

The cart 13 includes a base 19 and the base 19.
, A pair of rotating shafts 20 and 21 rotatably supported parallel to each other on both sides in the horizontal direction of a lower portion of the base 19, and at both ends of the rotating shafts 20 and 21, respectively. .. Are arranged on the four corners of the base 19 by being coaxially fixed and run on the floor F, and have driving devices 23 for driving one of the rotating shafts 20.

The truck 13 has traveling wheels 22, 22,
An extending portion 24 extending along the traveling direction to the side of the loading platform 12 in the traveling direction, and a guide provided on the extending portion 24 and in contact with the bogie track 14 and guided by the bogie track 14. And a part 25. Here, by providing such an extension portion 24, the guide portion 25 is provided on the side of the loading platform 12 at a position shifted from the loading platform 12.

The guide portion 25 includes a pair of guide rollers 26, 26 spaced apart from each other in a direction perpendicular to the direction in which the extension portion 24 extends. These guide rollers 2
Are supported rotatably about a vertical axis. As shown in FIG. 4, the guide rollers 26 of each set sandwich the bogie track 14 from both sides, so that the carriage 12 moves along the bogie track 14 when traveling with the running wheels 22, 22,. Is reciprocated. The cart 13 is provided with the guide unit 2 in a state where the carrier 12 is arranged on the cart track non-arrangement area 16 side.
5 is installed so as to be guided by the bogie track 14.

At this time, the limit switch 2 is slightly separated from the front and rear at an intermediate position of the extension portion 24 in the extension direction.
7 and 28 are attached, and an operation unit 29 for operating the limit switch 27 and an operation unit 30 for operating the limit switch 28 are provided at both ends of the bogie track 14 in the traveling direction. When the limit switch 28 is turned on by the operation unit 30 on the opposite side of the bogie track non-placement area 16 of the bogie track 14, the bogie 13 is entirely retracted from the bogie track non-placement area 16. State, while the bogie track 1
4, when the limit switch 27 is turned on by the operating portion 29 on the side of the bogie track non-arrangement area 16, the bogie 13 is partially advanced including the carrier 12 into the bogie track non-arrangement area 16. State. And the trolley 13
Moves back and forth, that is, reciprocates in a direction crossing the bogie track non-arranged area 16 between the retracted position and the advanced position.

As a result, when the automatic guided vehicle travels at the destination in the bogie track non-arranged area 16, the bogie 13 is located at the evacuation position outside the bogie track non-arranged area 16 and hinders its traveling. In a state where the automatic guided vehicle does not travel at the destination in the bogie track non-arranged area 16, the robot moves to the advanced position in the bogie track non-arranged area 16 as necessary, and The placed article is moved across the bogie track non-arranged area 16.

The carrier 12 is provided with a chain conveyor 31. That is, the chain conveyor 31 includes shaft portions 32 (only one of which is shown) provided in parallel with each other in the front-rear direction in the moving direction of the carriage 13, and these shaft portions 32.
Sprockets 34 attached to each end of the
, And a pair of sprockets 34, 34, chains 35, 35 hung on each other, and a driving device 36 for driving one of the shaft portions 32. The articles on the carrier 12 are transferred in the same direction as the moving direction.

According to such a reciprocating tracked vehicle 11, the bogie track 14 is different from the bogie track non-arranged area 16 provided with the magnetic track (other tracks) of the automatic guided vehicle. The extension line is arranged so as to extend in a direction intersecting the magnetic track of the automatic guided vehicle in plan view, and the position of the carriage 13 is shifted to the side of the carriage 12 with respect to the carriage 12. The guide 12 is provided on the bogie track 11 in a state where the carrier 12 is disposed on the bogie-trajectory non-placement area 16 side, so that the carrier 12 is moved along the magnetic track of the automatic guided vehicle. The vehicle is reciprocated in the bogie track non-arranged area 16 so as to intersect. Therefore, even if the bogie track 14 is not arranged in the bogie track non-arrangement area 16 where the bogie track 14 cannot be arranged, the bogie 1
The articles placed on the third carrier 12 can be conveyed across the magnetic track of the automatic guided vehicle in the bogie track non-arranged area 16.

[0016]

As described above in detail, according to the first aspect, the bogie trajectory is provided in an area different from the predetermined bogie trajectory non-arranged area, and the bogie is placed on the side of the bogie. By displacing the position and providing a guide section, the loading platform is guided to the bogie track in the guide section in a state where the loading platform is arranged on the bogie track non-arranged area side, so that the loading platform can be reciprocated in the bogie track non-arranged area. Become. Therefore, it is possible to convey the articles placed on the carrier of the truck in the non-carriage track arrangement area without disposing the carriage track in the bogie track non-arrangement area where the arrangement is impossible.

According to the second aspect of the present invention, the bogie trajectory is
An area different from the bogie track non-arranged area provided with another track is arranged so that an extension thereof extends in a direction intersecting the other track in a plan view. A guide portion is provided on the side of the carriage so as to be displaced with respect to the carriage, and the carriage is guided by the carriage track at the guide portion in a state where the carriage is arranged on the bogie track non-arrangement area side, so that the carriage is moved to the other track. Is reciprocated in the bogie track non-arranged area so as to intersect. Therefore, the articles placed on the carrier of the truck can be conveyed across the other tracks in the truck track non-arranged area without disposing the truck track in the bogie track non-arranged area where the truck track cannot be arranged.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a reciprocating track bogie according to the present invention.

FIG. 2 is a plan view showing one embodiment of a reciprocating tracked trolley of the present invention.

FIG. 3 is a side view showing one embodiment of the reciprocating tracked carriage of the present invention.

FIG. 4 is a cross-sectional view taken along the line AA in FIG. 1 showing one embodiment of the reciprocating tracked trolley of the present invention.

[Description of Signs] 11 Reciprocating tracked truck 12 Loading platform 13 Truck 14 Truck track 16 Truck track non-arranged area 25 Guide

Claims (2)

[Claims] 1. A reciprocating tracked truck having a bogie track and a bogie that contacts and guides the bogie track at a guide portion and reciprocates along the bogie track to reciprocate a carrier. A track is provided in a different area with respect to a predetermined bogie track non-arranged area, and the bogie is provided with the guide portion at a position shifted from the bogie on a side of the bogie, and the bogie is provided with the bogie. A reciprocating track bogie, wherein the carriage is reciprocated in the bogie track non-arranged area by being guided by the bogie track at the guide section in a state where the bogie is arranged on the rail non-arranged area side. 2. A truck is provided with another track in the bogie track non-arranged area, and the bogie track extends in a direction in which an extension of the bogie track intersects the other track in plan view. The reciprocating tracked trolley according to claim 1, wherein: