JPS63160911A - Carry-in/out device - Google Patents

Abstract

PURPOSE:To make a drop preventive device receiving rail for the carry-in and out device for automated warehouse in a small size by installing a guide surface for the guide roller of an elevating/sinking table at the right and left side-faces of a prop, and by providing a drop preventive device receiving rail at the inner side-face of the prop. CONSTITUTION:The guide roller 19 of an elevating/sinking table is guided by the guide surface 16 of a prop 8 by taking up or paying off a chain on/from a drum, and a roller 31 is guided by the inner side-face 29, and the elevating/ sinking table rises and falls without swing. If at this time chain 23 is cut, the hanging force by the chain 23 is eliminated, and the inner ends of actuating links 37A, 37B are pulled up by the tensile force of a spring 41 through a middle folded link 38, while the sinking force of an elevating/sinking rod 43 or links 47A, 47B by their own weight is applied to the other end. Thereby nipping pieces 34, 34B are swung, and cam surfaces 35A, 35B receive, and biting into a rail 30 is made to provide prevention of drop. Thus a drop preventive rail can be constructed in a small size.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a loading/unloading device used, for example, in an automated warehouse, when loading and unloading cargo is transferred between a shelf and a cargo handling area.

Conventional technology Conventionally, as the equipment of this building, for example, Japanese Patent Application Laid-Open No. 56-1
The configuration of Japanese Patent No. 27572 is provided. This conventional example consists of a main body with a pair of front and rear intermediate posts erected, a carriage guided by the rain intermediate posts, a fork device installed on the carriage so that it can move in and out in the lateral direction, and a nine-wheel drive unit linked to the carriage. A lifting drive device having a lifting chain;
It consists of a fall prevention device installed on the carriage side. A guide member is provided on the inner surface of the intermediate post, and the guide roll on the carriage side is guided by the guide member, and the cam body of the drop prevention device acts on the guide member.

Problems to be Solved by the Invention According to the above conventional type, the guide member has a guide row μ.
The cam body acts on the guide member, and the cam body can be of a roller type that acts in a wedge-like manner on the guide member or a claw type that bites into the guide member. Large and strong materials must be used.

An object of the present invention is to provide a loading/unloading device that can downsize the rail on which the fall prevention device acts.

Means for Solving the Problems In order to solve the above-mentioned problems, the loading/unloading device of the present invention includes a traveling body having a pair of pillars erected after bending, a lifting platform guided by both pillars, and a lifting platform on the lifting platform. A guide loaf of the lifting platform forms a guide surface on the left and right side surfaces of the column, and a guide loaf of the lifting platform is provided on the inner side of the column. The receiver on which the fall prevention device can operate is equipped with a rail μ.

According to the configuration of the present invention, the lifting platform is stably raised and lowered by the guide loaf being guided by the guide surface formed on the support column itself. Furthermore, when the platform falls, the fall prevention device acts on the rail to prevent the platform from falling. In this way, the receiver and rail only need to be small because they act as a fall prevention device.

Embodiment An embodiment of the present invention will be described below based on the drawings.

In Figs. 1 and 2, l indicates shelves arranged in parallel with aisles 2, and a plurality of compartment storage spaces 3 in the vertical and horizontal directions.
has. 4 is a loading/unloading device disposed within the passage 2;
A traveling body 7 supported and guided by a floor rail p5 via wheels 6
and a pair of front and rear supports 8 erected from this traveling body 7,
The upper ends of these pillars 8 are connected, and the ceiling rail /I/9
The upper frame 10, which is guided through a loaf or the like, constitutes the main body of the K-yoshi. Lifting platform 1 arranged between the pillars 8
1 has a loading/unloading tool (fork) 12 that can be moved in and out in the lateral direction, and also has a lifting drive device [13] that is linked to the lifting platform 11.
A traveling drive device 14 interlocked with the wheels 6 is provided on the traveling body 7. 15 indicates theft. In FIGS. 1 to 5, the support column 8 has a rectangular cylindrical shape, and has guide surfaces 16 on both sides thereof. The lifting platform 11 has a loading/unloading tool 12
A base frame 17 is provided with a base frame 17, and a side frame 18 is provided upright from the front and rear ends of the base frame 17. On the outer surface of these side frames 18, there is a side frame 18 for preventing rolling that can freely face the kite surface 16. The guide loaf 19 is freely rotatably attached via the force ζ support shaft 20. In each side frame 18, the guide roller 19 is
There are two pairs, one on the left and one on the left, one on top and one on top. The elevating drive device 13 has a drum 22 that is interlocked with a motor 21, and after passing a first chain 23 wound around the drum 22 into one of the supports 8 via a lower chain #24, Fall prevention bag flt provided on both side frames 18 via iron ring 25
It is linked to 26. Further, the second chain 27 wound around the drum 22 in the opposite direction is attached to the inner surface 29 of the support column 8, which is interlocked with the base frame 17 after passing through the guide silver ring 28.
The support on which the fall prevention device 26 can be freely written is rail lL/30.
However, it is provided over the entire length in the height direction at the - side position. Then, the side frame 18
The structure is such that a pair of upper and lower rollers 31 are provided to prevent back and forth shaking. The fall prevention device 26 is attached to the side frame 18.
It has a pair of left and right rotating shafts 3aA, 33B in the front and back direction attached via bearings 32A, 32B, and these rotating shafts 33
At the outer ends of the receivers A and 33B, clamping pieces 34A and 34B that can freely act on the receiver Iv30 are attached. These pinched lice.

■ is a cam plate shape, and its outer part is a continuous claw-like cam surface 3
5A, 35B, and the rotating shaft axes 36A, 36
B's #id allows it to swing left and right. The rotating shaft 33A
, 33B are fixed to the intermediate portions of the actuating links 37A, 37B. These flF-dynamic links 37A, 37B
The inner ends of are connected by a bent link 38, and between the bent pin 39 of this bent link 38 and a locking pin 40 provided at the upper part of the side frame 18, the holding pieces 34A, 34B are connected.
A tension spring 4 is an example of an elastic body that biases the
1 is intervening. A vertical through hole 42 is formed in the top plate portion of the side frame 18, and a large diameter portion 44 is formed at the upper end of the lifting rod 43 inserted into the through hole 42, and a flange is connected to the lower end via a nut 45. 46, the lifting rod 43 can be raised and lowered within a certain range. The flange 46 and the outer ends of both operating links 37A, 37B are connected by links 47A, 47B, and the free end of the first chain 23 and the large diameter portion 44 are connected by a pin 48. Explain the effect of The loading/unloading device i14 operates by a combination of running action in the passageway 2, vertical movement of the lifting platform 11, and lateral movement of the loading/unloading tool 12, and moves the target compartment storage space through the loading/unloading tool 12. 3, the cargo 49 is received and delivered.

The lifting platform 11 is moved up and down by a motor 21.
2 in the forward and reverse directions and winds up or lets out the first chain 23. At this time, the guide loaf 19 is guided by the guide surface 16, so there is no left and right shaking, and the inner surface 29
Since the rollers 31 are guided by the rollers 31, there is no back-and-forth shaking.

The hanging deer acts on the lifting platform 11 side because the flap 46 attached to the lower end of the lifting rod 43 comes into contact with the lower surface 50 of the top plate of the side frame 18. At this time, the 7-way link 46 is at its upper limit, so both links 47A.

47B is pulled up, and the rotating shaft 33A is pulled up against the tension spring 41 so that the outer ends of the operating links 37A, 37B rise.
, 33B rotate, and the cam surfaces 3 of the clamping pieces 34A, 34B
It receives 5A and 35B and is spaced from Ray/l/30. Therefore, the lifting platform 11 can be moved up and down without any hindrance. When the first chain 23 is cut during the hanging season, the hanging deer by the first chain 23 is released. Then, the pulling force of the tension spring 41 pulls up the inner ends of the operating links 37A, 37B via the bent link 38, and the lowering of the weight of the lifting rod 43, links 47A, 47B, etc. causes the operating links 37A, 37B to pull up. The force pushing down the outer end is the rotating shaft 33A.
, 33B. As a result, the rotating shafts 33A, 33B
The clamping pieces 34A, 34B are connected to the axes 36A, 36 via
The cam surfaces 35A, 35 are forcibly swung around B.
The receiver B will be wedge-shaped into the relay/L'30. Therefore, the elevating body 11 has a pair of clamping pieces 34A.
, 34B strongly clamps the tray/L' 30, so that it is integrated with the column 8 I+ and is prevented from falling.

Effects of the Invention According to the present invention having the above configuration, the lifting platform can be stably raised and lowered by the guide roller being guided by the guide surface formed on the support column itself. When the lifting platform falls due to a breakage of the chain of the lifting drive device, etc., the fall prevention device acts on the rail to prevent the lifting platform from falling. In this way, the receiver can be downsized because only the fall prevention device acts and does not guide the lift platform up and down.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, the first being a side view and the second being a side view.
The figure is a front view, FIG. 3 is a partially cutaway side view of the fall prevention device, FIG. 4 is a front view of the same, and FIG. 5 is a cross-sectional plan view of the same. DESCRIPTION OF SYMBOLS 1... Shelf, 3... Compartment storage space, 4... Taking in and out device, 7... Traveling body, 8... Support column, 11... Elevating/descending platform, 12... Taking in/out tool, 13... Lifting drive device, 14... Traveling drive device, 16... Guide surface, 1
9... Guide roller, 23... First chain, 26.
... Fall prevention device, 29 ... Inner surface, 30 ... Receiver is rail, 31 ... Loaf, 34A, 34B ... Clamping piece, 41 ... Tension spring (elastic body), 49 ... ··load. Agent Yoshihiro Morimoto Figure 2 Figure 3 T-23 Figure 5

Claims (1)

[Claims] 1. It has a traveling body with a pair of front and rear columns erected, a lifting platform guided by both the columns, and a loading/unloading tool installed on the platform so as to be able to move in and out in the horizontal direction. , the guide rollers of the lifting platform form a guide surface that can freely face each other;
The loading/unloading device is characterized in that a receiving rail is provided on the inner surface of the column, on which a fall prevention device provided on the lifting platform can freely operate.