JPH05125854A - Horizontal moving device and fixing device for cargo conveying pallet - Google Patents

Abstract

PURPOSE:To prevent a pallet from moving in conveying devices and a storage chamber, and shorten the time for the pallet to move horizontally. CONSTITUTION:Parts 10 to be held are provided on a pallet 24, and holding parts 27, each of which consists of opposite claws 32a, 32b driven to be opened and closed, and holds the part 10 to be held, are provided on the side of conveying devices 28 respectively. Further, notch parts 16 for fixing the pallet 24 in place, are provided at the conveying devices 28, and a storage chamber 29, and anchors 15 which are to be engaged with the notches 16, are provided on the pallet 24 so that they can be engaged and disengaged from the notches. Thus, the anchors 15 can be disengaged from the notch parts 16 by closing operation of the claws 32a, 32b and engagingly locked to the above notch parts 16 by opening operation of the claws.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pallet horizontal moving device used for loading or unloading cargo pallets or empty pallets into or out of a storage place by a transporter, and a fixing device therefor. Is. In addition,
In the following description, as an example, the case where the cargo is applied to a car parking lot is taken up.

[0002]

2. Description of the Related Art Conventionally, as a horizontal movement device for a pallet of a mechanical parking lot of this type, there is one disclosed in Japanese Patent Publication No. 58-20354. This is as shown in FIG.
Engagement claws 4 on the chain 40 wound endlessly on the carrier
9 is provided, and this engaging claw is provided with a protrusion 48 provided on the pallet.
The pallet 44 is horizontally moved by hooking it on.

[0003]

In the mechanical parking lot described above, the pallet is not locked to prevent movement of the pallet in the transport machine or the parking garage. There is a problem that the pallets come into contact with each other due to the displacement of the positions.

Further, since one engaging claw 49 is brought into contact with the projection 48 provided on the pallet to move horizontally, the force can be transmitted in the pallet traveling direction, but the force is not transmitted in the opposite direction. Therefore, since the braking force at the time of deceleration cannot be transmitted, there is a problem that braking cannot be performed suddenly in order to shorten the moving time because the braking force depends only on the frictional force of the support roller 50 and the like. SUMMARY OF THE INVENTION It is an object of the present invention to provide a horizontal movement device and a fixing device for a cargo transportation pallet that can solve the above problems.

[0005]

SUMMARY OF THE INVENTION A horizontal moving device for a pallet for transporting cargo according to the present invention comprises a carrier for placing a pallet and moving up and down in a hoistway vertically provided from an entrance / exit, and the hoistway. In a mechanical three-dimensional storage facility configured to have a storage room provided on each side of the storage space, and to stop the above-mentioned transporter at the parking room position and horizontally move the pallet between the storage chamber and the transporter. The pallet is provided with a gripped portion, and the pallet is provided with a gripping portion, which is a pair of facing claws that are driven to open and close, for gripping the gripped portion on the side of the carrying machine.

Further, the fixing device for the freight transport pallet is
A cutout portion for fixing the position of the pallet is provided in a part of the carrying machine and the storage chamber, and an anchor engaging with the cutout portion is detachably provided on the pallet, and the anchor is provided on the grip portion. It is characterized in that the claw is disengaged from the cutout portion by a closing operation, and the claw is opened to be engaged with the cutout portion.

[0007]

In the above structure, when the pallet is on the carrying machine and is transferred to the parking room which is the storage room, the gripped part on the carrying machine sandwiches the gripped part provided on the pallet. As a result, the anchor is removed from the notch on the transport machine to release the lock, and the pallet is horizontally transferred to a predetermined position in the parking room. Then, when the pawl is released, the anchor is hooked on the notch provided in the parking room and the pallet is fixed in position. When the pallet is in the parking room and the pallet is transferred onto the carrier, the same operation as above is performed.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 10 shows the overall structure of a mechanical multistory parking lot. A plurality of parking rooms 29 are provided on both sides of the vertical hoistway of the carrier 28. Then, at the entrance of the parking lot, a car is placed on the pallet 24 on the carrying machine, and the car is raised by the carrying machine together with the pallet 24 to a predetermined parking room position.
Cars transferred to the parking room 29 for parking, or conversely, a car placed on a pallet in the parking room and parked is transferred to a carrying machine together with the pallet, and the car is taken down to the entrance of the parking lot.
It is designed to be sent out.

Grasped portions 10 are provided at four corners of the pallet 24 so as to project orthogonally to the traveling direction of the pallet (FIGS. 1 and 4). The carrying unit 28 is provided with a gripping unit 27 for gripping the gripped unit 10 so as to be driven in the horizontal direction (FIGS. 1 and 2).

The pallet 24 is provided with a rotatable anchor 15 for positioning and fixing the pallet at a predetermined position (FIGS. 4 and 7). The notch 16 with which the anchor 15 is locked is formed in the rail 25 on which the carrier 28 and the pallet travel (FIG. 4). next,
Details of the grip portion 27 provided on the carrier 28 and the horizontal movement mechanism thereof will be described with reference to FIGS. First,
The structure of the claw block 23 of the grip portion 27 will be described with reference to FIG.

The claw block 23 incorporates a claw (abcd) 23a and a claw (ihj) 23b. The link (cef) and the link (gkh) are pin-connected to the claws 23a and 23b at points c and h, respectively. Also,
Link (fg) is the above link (cef) and link (gkh)
Are pin-connected at points f and g, respectively. Also,
The points b and j of the claws 23a and 23b are the claw blocks 23.
Guided by the slit 23c formed in the, it can be moved in the horizontal direction.

The ends of the traverse chain 22 are connected to the k and l points on both ends of the claw block 23. On the other hand, the ends of the claw opening / closing chain 21 are connected to both sides of the claw 23a at the point a.

The traverse chain 22 has the c of the claw block 23.
From the point, through turning sprockets 1f, 1g, 1h,
After being wound around the drive sprocket 3b driven by the traverse motor 4, it returns to the point 1 of the claw block 23 through the turning sprockets 1i, 1j, 1k.

On the other hand, the pawl opening / closing chain 21 is wound around the sprocket 2a of the opening / closing sprocket block 20 from the point a of the pawl 23a through the turning sprockets 1a, 1b, and is turned to pass through the turning sprocket 1c and traverse. The drive sprocket 3a driven by the motor 4 is wound, then wound on the sprocket 2b of the opening / closing sprocket block 20, and the direction is changed, and then the return sprocket 1a is returned to the point a of the claw 23a. There is.

The opening and closing sprocket block 20
Is moved in the A and B directions by an electric cylinder or the like (not shown). By moving the opening / closing sprocket block 20 in the A and B directions, the claw opening / closing chain 21
Moves and the point a of the claw 23a moves in the C and D directions, so that the claws 23a and 23b are opened and closed.

By driving the traverse motor 4, the coaxial drive sprockets 3a and 3b are simultaneously driven, and the pawl opening / closing chain 21 and the traverse chain 22 are simultaneously driven at a constant speed. As a result, the grip portion 27 is moved horizontally without opening and closing the claws. That is, the pallet can be moved in a state in which the grasped portion 10 of the pallet 24 is grasped by the grasping portion 27 provided on the carrier 27. Then, by applying a brake to the traverse motor 4, the pallet can be stopped at a predetermined position. Next, the structure of the positioning and fixing mechanism of the pallet 24 will be described with reference to FIGS.

A rod 11 having a plate 11a at its tip is attached to the pallet 24 so as to be able to move forward and backward, adjacent to the grasped portion 10 provided at the four corners of the pallet 24 (FIG. 7). Further, the shaft 14 is pivotally attached to the pallet 24. A lever 13 having an elongated hole 13a at its end is fixed to the shaft 14. A shaft 11b provided at the base end of the rod 11 is engaged with the elongated hole 13a. Thus, by driving the rod 11 back and forth,
The shaft 14 is adapted to rotate (FIG. 8).

On the other hand, a plate-shaped anchor 15 having an arcuate cross section is fixed to the shaft 14. Therefore, the anchor 15 is adapted to be rotated along with the rotation of the shaft 14. On the other hand, this anchor 15
The pallet is fixed in position by being biased by the compression spring 17 and engaging with the notch 16 formed in the traverse rail 25 at the stop position of the pallet 24.

When the pallet 24 is moved horizontally, the opening / closing sprocket block 20 is moved to close the claws 32a and 32b and hold the gripped portion 10 of the pallet 24. At this time, as shown in FIG. 7, the plate 11a is pushed by the claw 32a, and the shaft 14
Is rotated against the compression spring 17, and the anchor 15 is removed from the notch 16. In this state, the pallet 24 is horizontally moved by the pawl block 23 by driving the traverse motor 4.

By moving the pallet 24 to a predetermined position and then opening the claws 32a and 32b, the plate 11a can be moved forward, that is, the shaft 14 can be rotated, and the anchor 15 is pushed by the compression spring 17. The pallet 24 is fixed in position by being locked in the notch 16. The transporter itself is also provided with a notch (not shown) for positioning and fixing the pallet.

[0022]

The pallet horizontal movement and fixing device of the present invention is as described above. Since the grasped portion provided on the pallet is grasped by the grasping portion provided on the carrier, the pallet is horizontally moved.
Since the force can be transmitted not only in the traveling direction of the pallet but also in the opposite direction, the braking force at the time of deceleration can be transmitted. As a result, unlike the conventional case, it is possible to perform sudden braking for reducing the moving time without depending on the frictional force of the supporting roller or the like.

Further, an anchor that can be hung and removed on the transporter and a part of the cutout of the storage chamber is provided on the pallet, and the anchor is removed by closing the pawl of the pallet gripping portion, and the anchor is opened by opening the pawl. Since it can be hung, it can be locked to prevent movement of the pallet in the transport machine or storage room,
The pallet position will shift due to an earthquake or shaking when the machine is lifted,
It becomes safe without the pallets from colliding.

[Brief description of drawings]

FIG. 1 is a general floor plan of a parking lot of the present invention.

FIG. 2 is an enlarged view taken along the line II-II in FIG.

FIG. 3 is a plan view of a pallet.

FIG. 4 is a side view of a pallet.

FIG. 5 is a schematic diagram of a horizontal driving method of the claw block.

FIG. 6 is a schematic diagram of a claw block. Side view of pallet.

FIG. 7 is an enlarged view of a VII arrow portion of FIG.

FIG. 8 is a view on arrow VIII-VIII in FIG. 7.

FIG. 9 is a view on arrow IX-IX in FIG. 7.

FIG. 10 is an elevation view of a parking lot.

FIG. 11 is an explanatory diagram of a conventional pallet transfer device.

[Explanation of symbols]

10 ... Gripping part, 15 ... Anchor, 16 ... Notch part,
23a, 23b ... claws, 24 ... pallets, 27 ... grips,
28 ... transporting machine, 29 ... parking room (storage room).

Claims (2)

[Claims] 1. A carrying machine for placing a pallet and moving up and down in a hoistway provided in a vertical direction from an entrance / exit, and a storage chamber provided on a plurality of floors on both sides of the hoistway, the carrying machine comprising: In a mechanical three-dimensional storage facility configured to stop at the storage chamber position and transfer the pallet by horizontally moving the pallet between the storage chamber and the transporter, the pallet is provided with a grasped portion, and the pallet has the above-mentioned configuration on the transporter side. A horizontal movement device for a freight transport pallet, comprising: a gripping part for holding a gripped part, the gripping part being constituted by facing claws that are driven to open and close. 2. A notch portion for fixing the position of the pallet in a carrying machine and a part of the storage chamber, and an anchor that engages with the notch portion is detachably provided on the pallet. The cargo transport pallet is fixed according to claim 1, wherein the claw of the grip portion is removed from the notch by the closing operation and the claw is opened to be locked in the notch. apparatus.