JP4332957B2 - Reciprocating track truck - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a reciprocating track-equipped trolley having a trolley track and a trolley guided and reciprocated by the trolley track.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a reciprocating tracked cart that guides a cart on a cart track that has been laid has been used for transporting articles placed on the platform.
[0003]
[Problems to be solved by the invention]
By the way, for example, when transporting an article placed on the loading platform with a reciprocating tracked vehicle so as to cross the track of the automated guided vehicle with respect to an area where a track for guiding the automated guided vehicle is laid, The carriage track of the reciprocating tracked carriage must be arranged so as to intersect with the track of the automated guided vehicle in plan view. However, such an intersection has a considerable influence on the movement of the automated guided vehicle. There was a problem that. Therefore, the present invention is not intended to dispose the bogie track, such as an area where the automatic guided vehicle track is provided. An object is to provide a reciprocating tracked carriage that can be transported in a non-arranged area.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, the first invention includes a carriage track and a carriage that reciprocates along the carriage track by contacting and guiding the carriage track in the guide portion and reciprocating along the carriage track. In the reciprocating tracked carriage, the carriage track is provided in a different area with respect to a predetermined carriage track non-arrangement area, and the carriage is shifted to the side of the loading platform with respect to the loading platform. The carriage is reciprocated in the cart track non-arrangement area by being guided by the guide track in the guide section in a state where the cart is arranged on the cart track non-placement area side. .
In this way, the bogie track is provided in a different area from the predetermined bogie track non-arrangement area, and for the bogie, the side of the load platform is shifted with respect to the load platform, the guide is provided, and the cart is not disposed in the bogie track non-location area. By being guided to the truck track in the guide section in the state of being arranged on the side, the cargo bed is reciprocated in the truck track non-placement area.
[0005]
Further, in the second invention, another track is provided in the bogie track non-arrangement area, and the bogie track extends in a direction in which an extension line intersects the other track in a plan view. It is characterized by being.
In this way, the bogie track is arranged in a different area with respect to the bogie track non-arrangement area where the other track is provided so that the extension line extends in a direction intersecting the other track in plan view. As for the carriage, the position of the carriage is shifted to the side of the carriage and a guide section is provided so that the carriage is guided to the carriage track in the guidance section in a state where the carriage is arranged on the carriage track non-arrangement area side. Thus, the cargo bed is reciprocated in the bogie track non-arrangement area so as to cross the other track.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a reciprocating tracked carriage according to the present invention will be described with reference to FIGS.
The reciprocating tracked carriage 11 includes a carriage 13 having a loading platform 12 on which articles are placed, and a linear carriage laid on the floor F in parallel to the floor F to guide the traveling of the carriage 13. And a track 14.
[0007]
On the other hand, although not shown, a magnetic track (another track) is provided below the floor surface F in parallel with the floor surface F in the vicinity of the reciprocating tracked carriage 11 and is unmannedly conveyed by the magnetic track. The car is guided. A predetermined area in which the cart track 14 cannot be disposed because the automatic guided vehicle travels is defined as a cart track non-arranged area 16. The 13 loading platforms 12 are moved in a direction crossing the magnetic track.
[0008]
That is, the bogie track 14 is provided only in the bogie track arrangement area 17 that is different from the bogie track non-placement area 16, and its extension line intersects the magnetic track in plan view (specifically, It extends in the direction of (orthogonal).
[0009]
The carriage 13 includes a base 19, a loading platform 12 attached to the upper side of the base 19, and a pair of rotary shafts 20 and 21 that are rotatably supported in parallel with each other on both sides in the horizontal direction below the base 19. .., Which are coaxially fixed to both ends of the rotary shafts 20, 21, respectively, are disposed at the four corners of the base 19 and travel on the floor surface F, and driving for driving one rotary shaft 20. Device 23.
[0010]
Further, the carriage 13 is provided on the side of the loading platform 12 in the traveling direction by the traveling wheels 22, 22,... Extending along the traveling direction, and on the extending section 24, and the bogie track 14. And a guide portion 25 guided to the carriage track 14. Here, by providing such an extension portion 24, the guide portion 25 is provided on the side of the loading platform 12 while being displaced with respect to the loading platform 12.
[0011]
The guide portion 25 is formed by arranging two pairs of guide rollers 26 and 26 spaced apart from each other in a direction orthogonal to the extending direction of the extending portion 24 in the extending direction of the extending portion 24. These guide rollers 26, 26,... Are all supported rotatably around the vertical axis. As shown in FIG. 4, each set of guide rollers 26, 26 holds the carriage track 14 from both sides, so that the carriage 12 is moved along the carriage track 14 when traveling by the traveling wheels 22, 22,. The carriage 13 including the carriage is reciprocated. The carriage 13 is installed such that the carriage 12 is guided to the carriage track 14 in the guide section 25 in a state where the loading platform 12 is arranged on the carriage track non-arrangement area 16 side.
[0012]
Here, limit switches 27 and 28 are attached to an intermediate position in the extending direction of the extending portion 24 so as to be slightly separated from each other in the front-rear direction, and limit switches 27 are provided at both ends in the traveling direction of the carriage track 14. An actuating part 29 for actuating and an actuating part 30 for actuating the limit switch 28 are provided. When the limit switch 28 is in the retracted position where the limit switch 28 is turned on by the operating portion 30 on the opposite side of the bogie track 14 with respect to the bogie track non-arrangement area 16, the bogie 13 is retreated from the bogie track non-arrangement area 16 as a whole. On the other hand, when the limit switch 27 is in the advanced position where the limit switch 27 is turned on in the operation part 29 of the truck track 14 on the truck track non-placement area 16 side, a part of the carriage 13 including the carrier 12 is not placed on the truck track. The advancing state has entered the area 16. Then, the carriage 13 moves back and forth, that is, reciprocates in a direction crossing the carriage track non-arrangement area 16 between the retracted position and the advanced position.
[0013]
As a result of the above, when the automated guided vehicle travels in the destination in the cart track non-arrangement area 16, the cart 13 is in a retreat position outside the cart track non-location area 16 and waits without disturbing the travel. In the state where the automatic guided vehicle does not travel in the advance destination in the truck track non-arrangement area 16, if necessary, the carriage 13 is moved to the advance position in the truck track non-placement area 16 to be placed on the truck 13. The article is moved across the bogie track non-arrangement area 16.
[0014]
The loading platform 12 is provided with a chain conveyor 31. That is, the chain conveyor 31 includes shaft portions 32 (only one is shown) provided parallel to each other in the front-rear direction in the movement direction of the carriage 13, and sprockets 34, 34, .., And a pair of sprockets 34, 34 that are hung between the sprockets 34, 34, and a drive device 36 that drives one shaft portion 32. The drive direction of the carriage 13 is driven by the drive device 36. The article on the loading platform 12 is transferred in the same direction.
[0015]
According to such a reciprocating tracked carriage 11, the carriage track 14 is moved to a carriage track arrangement area 17 different from the carriage track non-placement area 16 provided with the magnetic track (other track) of the automated guided vehicle. The extension line is arranged so as to extend in a direction intersecting with the magnetic track of the automatic guided vehicle in a plan view, and the carriage 13 is shifted to the side of the loading platform 12 with respect to the loading platform 12 to guide the 25 so that the carriage 12 is guided to the carriage track 11 in the guide portion 25 in a state where the carriage 12 is arranged on the carriage track non-arrangement area 16 side, so that the carriage 12 crosses the magnetic track of the automatic guided vehicle. Then, the carriage is reciprocated in the bogie track non-arrangement area 16.
Therefore, the articles placed on the loading platform 12 of the carriage 13 cross the magnetic orbit of the automatic guided vehicle in the carriage track non-arrangement area 16 without arranging the carriage track 14 in the carriage track non-placement area 16 where the carriage cannot be arranged. Can be conveyed.
[0016]
【The invention's effect】
As described above in detail, according to the first invention, the carriage track is provided in a different area with respect to the predetermined carriage track non-arrangement area, and the carriage is shifted to the side of the loading platform with respect to the loading platform. By providing the guide part and guiding the carriage to the carriage track in the state where the carriage is arranged on the side of the truck track non-arrangement area, the carriage is reciprocated in the truck track non-arrangement area.
Therefore, the articles placed on the carriage platform can be transported in the truck track non-placement area without placing the truck track in the truck track non-placement area where the carriage track is impossible.
[0017]
Further, according to the second invention, the bogie track is extended to a different area with respect to the bogie track non-arrangement area where the other track is provided, and its extension line extends in a direction intersecting the other track in plan view. As for the cart, the guide is provided on the side of the loading platform by shifting the position with respect to the loading platform, and the loading platform is arranged on the cart track non-placement area side and guided to the carriage track in the guiding portion. By doing so, the loading platform is reciprocated in the cart track non-arrangement area so as to cross the other track.
Therefore, even if the carriage track is not arranged in the carriage track non-arrangement area where the arrangement is impossible, the article placed on the carriage bed can be transported across the other tracks in the carriage track non-arrangement area.
[Brief description of the drawings]
FIG. 1 is a front view showing an embodiment of a reciprocating tracked carriage according to the present invention.
FIG. 2 is a plan view showing an embodiment of a reciprocating track carriage according to the present invention.
FIG. 3 is a side view showing an embodiment of a reciprocating track carriage according to the present invention.
4 is a cross-sectional view taken along line AA in FIG. 1, showing an embodiment of a reciprocating tracked carriage of the present invention.
[Explanation of symbols]
11 Reciprocating Track Car 12 Cargo 13 Car 14 Car Track 16 Car Track Non-Arrangement Area 25 Guide Section

Claims (2)

In a reciprocating tracked carriage having a carriage track, and a carriage that contacts and guides the carriage track in a guide portion and reciprocates along the carriage track to reciprocate a cargo bed,
The carriage track, along with an extension of one end of a different area placement of the carriage track is to carriage track non arrangement area of No is provided so as to intersect with the carriage track non arrangement area in a plan view, the traveling of the carriage Actuators are provided at both ends in the direction,
The carriage is provided with the guide portion on the side of the loading platform while being shifted with respect to the loading platform, and spaced apart in the shifting direction of the loading platform and the guiding portion, and is operated by the operating portion. Two limit switches are provided, and the carriage is reciprocated in the truck track non-placement area by being guided by the guide track in the guide section in a state where the platform is arranged on the cart track non-placement area side. A reciprocating track truck characterized by that. When the carriage track different from other track on the carriage track non arrangement area is provided, said carriage track, an extension of the one end crosses in plan view with respect to the other track, the pallet is the 2. A reciprocating track cart according to claim 1, wherein said cart is provided so as to move across another track .

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