JPS6140828B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in an elevating device for transporting parking pallets from a horizontal circulation type parking facility provided on an upper floor or basement to an entrance provided on the first floor. .

Conventionally, for example, a large number of parking pallets with wheels for movement at the four corners were arranged in two rows, and the pallets were moved alternately vertically and horizontally so that there was always an empty space at one end of each row. However, these parking spaces are formed in one or multiple layers on the upper or basement floors, and the parking pallets are carried in and out of the parking lot using a lifting device mounted on the first floor. It had been.

In this case, two rails are provided on the lift main body to match the rails provided on the parking space side when the lift is stopped at a predetermined position, so that parking pallets can be transferred to each other, and the lift lifting mechanism is not limited in stroke. A chain sprocket system is generally used because it is free from damage and requires low equipment costs.

However, since the load on the lift body is approximately 2 tons including vehicles and parking pallets, the lifting chain will have a considerable length when fully loaded, and the lifting chain will need to be guided when the lift is raised or lowered. Distortion also occurs in the guide column. Therefore, due to the influence of both of these factors, there is a step between the rail on the lift body side and the rail on the parking device side due to a considerable height difference between the no-load state and the full-load state. The wheels generate an impact sound when passing the step.

Although the difference in height can be reduced by further increasing the strength of the chain, guide column, lift body, etc., the equipment cost will increase considerably.

In view of the above-mentioned current situation, the present invention has been developed to provide a rail provided on the lift body side by fitting a shaft portion fixedly arranged at two suitable positions on the left and right sides of the lift body with an elongated hole cut vertically in the rail. It is capable of vertically swinging at an appropriate angle using the shaft as a fulcrum, and movable side and fixed side locking devices are provided on each side of the lift body and the parking device section so that they can be engaged and disengaged, and the two locking devices are engaged. The opposite ends of the rails on the lift body side and the horizontal rails on the parking device side should match, and the transfer of the parking pallet between the parking device and the lift body should be performed with the locking tools engaged. This invention relates to an elevating device in a horizontal circulation parking facility, in which the lift-side rail swings in the vertical direction about one of the shafts as a fulcrum, thereby preventing the occurrence of a level difference in the connecting portion. It is.

To explain in detail based on the embodiment shown in the figure, reference numeral 1 denotes a known horizontal circulation type parking device located in an upper parking space S ₁ and a lower parking space S ₂ formed in the basement, respectively.
A metal fitting connects a parking pallet 5 which is horizontally circulated by an appropriate drive device (not shown) on each of two vertical rails 3 and two horizontal rails 4 arranged in a rectangular shape using moving wheels 2 provided at four corners. A large number of rows 6 and 7 are connected in the horizontal direction, and one end of each row facing each other is left as an empty space.

8 is a hoistway formed on the side of one parking row,
The upper part communicates with an entrance 9 formed on the ground.

Reference numeral 10 denotes a lifting device installed in the hoistway 8, in which a lift guide column 11 made of an H-shaped member and a balance weight guide column 12 made of an L-shaped member are erected in parallel at the front and rear of the hoistway wall on the side opposite to the parking device. Upper and lower guide wheels 13 and 14 are arranged diagonally, respectively, and are vertically spaced apart from each other at appropriate intervals on the front and back surfaces of the lift guide column 11, and the guide column 11 on the opposite side of the guide wheels is slightly disposed. A lift main body 17 having upper and lower fall preventing members 15 and 16 with an interval of A long hole 20 is cut in the vertical direction so that it can fit with the shaft 19 fixed to the shaft 18, and the rail 21 is supported so as to be able to swing up and down at an appropriate angle using one of the shafts 19 as a fulcrum. 17 is arranged on the side of the parking device 1 in front and rear so as to coincide with the horizontal rail 4 on the parking device side when the parking device 1 is stopped, and also has a rod facing the parking device side and movable back and forth by electromagnetic force. The tool 22 is integrally fixed to the rail 21, and the lift main body 17 is configured to be able to be raised and lowered by a drive mechanism 24 connected to a balance weight 23 via a chain, a relay sprocket, an electric motor, etc. as appropriate.

Reference numeral 25 denotes a fixed side locking device fixed to the side of the lifting device 1 and the floor side of the entrance/exit 9, which has a flap-like opening toward the lift side, stops at the side, and allows the rod portion to advance. It is arranged with a hole that can be engaged with the movable side locking tool 22.

In the normal state, the rail 21 has the upper end of the elongated hole 20 supported by a shaft 19 fixed to the brackets 18 provided on the left and right sides, but when it is stopped on the side of the parking device 1, the locking tools 22 and 25 are supported. In the engaged state, when the lift body 17 side becomes lower due to a load, it swings in an upward slope to the right using the left shaft 19 as a fulcrum, and when the lift body 17 side becomes higher due to load reduction, the right shaft 19 swings. It acts as a fulcrum and swings downward to the right. Further, when the lift body 17 is in a normal ascending and descending state, the fall prevention members 15 and 16 are slightly separated from the guide columns due to the contact of the guide wheels 13 and 14 with the front and back surfaces of the guide column 11, allowing the lift body 17 to freely move up and down. However, if a force acts in the direction of pushing the right end side of the lift body 17 upward, downward facing teeth are formed on the surface so as to contact the front and back surfaces of the guide column 11 and prevent the lift body 17 from descending. be. At this time, at least the lower guide wheel 14 is spaced apart from the guide column 11.

Next, the operation when the vehicle enters and leaves the warehouse will be explained. First, the empty lift main body 17 stops on the side of the parking device 1, and the movable side locking tool 22 moves forward to engage with the fixed side locking tool 25. At this time, set a limit switch (not shown) as appropriate to
The right end of the rail 21 supported by the right side 19 is stopped at the same height as the extended end of the horizontal rail 4.

When the left wheel 2 of the parking pallet 5 on which a vehicle is mounted from the parking device 1 side rides on the rail 21, the lift body 17, which has changed from the no-load state to the loaded state, will descend slightly due to the elongation of the chain, etc., but the locking tool 22 ,2
Since the right end side is supported by the engagement of 5, the rail 21 has an upward-sloping shape with the left shaft 19 as a fulcrum, and the right end of the rail 21 and the extended end of the horizontal rail 4 pass through the right wheel 2 without a step. As a result, the state shown in FIG. 5 is reached. _L1 shown in the figure is the amount of descent of the lift main body 17 at the right side bracket 18.

Next, when transferring the parking pallet 5 with vehicles mounted on the lift body 17 to the parking device 1,
At this time, the lift main body 17 stops the rail 21 in alignment with the extension of the horizontal rail 4 with the chain under the mounting extended. After the locking tools 22 and 25 are engaged, when the parking pallet 5 mounted on the parking device 1 is pulled toward the parking device 1 by the drive on the parking device 1 side, the wheels 2 on the right side of the pallet are transferred onto the horizontal rail 4 and at the same time the pallet is lifted. By reducing the load on the main body 17 by half, the elongation of the chain is restored to some extent, and the lift main body 17 rises slightly. However, due to the engagement of the locking tools 22 and 25, the rail 21 is tilted downward to the right with the right shaft 19 as a fulcrum, as shown in FIG.
The connecting portion between the vehicle and the horizontal rail 4 remains level-free, and the left wheel 2 is also smoothly transferred to the parking device 1 side. _L2 shown in FIG. 6 is the amount of rise of the lift body 17 at the bracket 18 during the transfer.

Figure 7 shows the lift body 1 as shown in Figure 5 above.
This shows a case where the suspension chain breaks due to a shock or the like during the transfer as soon as the parking pallet 5 loaded with vehicles is transferred onto the lift body 17.
is inclined downwardly to the left around the engagement point of the locking tools 22, 25, thereby preventing the fall prevention members 15, 16 from falling.
are bitten into the front and back surfaces of the guide column 11, and the lift main body 17 is held in that position by three-point support with the engagement point of the locking tool, and is prevented from falling. However, in this case, each parking pallet 5 connected on the parking device 1 side through the connection by the connecting fittings 6 and 7 also plays a part in preventing the pallet from falling. L ₃ in Fig. 7 is the right bracket 1 in the fall prevention state.
This is the amount of descent of the lift body at part 8.

Incidentally, the above-mentioned fall prevention effect is similarly effective when a vehicle rides on the empty pallet at the loading/unloading port 9.

As detailed above, when using the lifting device according to the present invention, there is no difference in level that tends to occur in the rail connection part due to the influence of the chain elongation due to the difference in load between the no load and the full load on the lift body. This prevents noise by smoothing the passage of wheels when transferring parking pallets, and furthermore, by adding a fall prevention member with a slight distance from the guide pillar surface on the opposite side of the guide wheels, it is possible to prevent the chain from breaking in the event of a chain breakage. It is also possible to prevent the lift body from falling even when the lift body is in use, and by adding a relatively simple structure, it is possible to obtain an extremely safe lifting device with less noise.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a side view of the overall arrangement, and FIG. 2 is a side view of the overall arrangement.
~ A plan view as viewed from arrow A, FIGS. 3 and 4 are enlarged detailed side views and plan views showing only essential parts, and FIGS. 5 to 7 are action explanatory views. In the figure, 1 is a horizontal circulation parking device, 2 is a moving wheel, 5 is a parking pallet, 8 is a hoistway, 10 is a lifting device, 11 is a guide column, 17 is a lift body, 19
20 is an elongated hole, 21 is a rail, and 22 and 25 are locking devices on the movable side and the fixed side.

Claims (1)

[Claims] 1. Arranged on the side of a parking device part formed by horizontally circulating a large number of parking pallets having wheels for movement at four corners along vertical and horizontal rails arranged in a rectangular shape, The parking pallet is carried in and out of the warehouse by a lifting device that is moved up and down by a chain that engages with sprockets provided at the top and bottom, and the lifting device includes guide columns that stand upright in the front and back; 2 pieces that engage with the front and back surfaces of the guide column 1
A lift main body having a set of guide wheels is fitted with shafts fixedly placed at two suitable points on the left and right sides of the lift main body, so that the lift main body can be moved up and down using one of the shafts as a fulcrum and vertically swinging at an appropriate angle. It is composed of a front and rear rail with two elongated holes in the direction, and a movable side locking tool that is fixed integrally with the rail and has a rod that can move forward and backward toward the parking device side, and At the fixed position, a fixed side locking tool having a hole that can engage with the rod tip of the movable side locking tool that has a flap-shaped opening and extends toward the lift side is disposed, and the lift main body is stopped at a predetermined position. By engaging both of the locking tools at this position, the front and rear rails on the lift body side, the horizontal rails provided on the parking device side, and their opposing ends are made to match, and the loading and unloading of the parking pallet is done by locking both of the locking tools. An elevating device for a horizontal circulation type parking facility, characterized in that the elevating device operates as if the device were in an engaged state. 2. The elevating device in the horizontal circulation parking facility according to claim 1, wherein the fixed side locking tool is also arranged on the side of the entrance/exit.