JPH0454026B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention is directed to transporting trays, which are arranged vertically in two levels on a steel frame installed in a parking space, in the left-right direction by the circulation drive of an end chain. The present invention relates to a circular circulation parking device in which the upper tray is pivoted down to the lower tier at both ends of the tray row, and at the same time the lower tray is pivoted upward to the upper tier.

(Prior Art) As the above-mentioned type of circular circulation parking device, for example, the Japanese Patent Publication No. 45-13613 “Double-layer Parking Device” has been proposed, and this device has an endless chain that moves in circulation with appropriate intervals. a chain lever arranged in a row; a pallet with one end pivoted on the chain lever;
A guide rail provided along the endless chain engages with a guide roller provided at the other end of the pallet and guides the roller, and a curved portion of the guide rail allows the pallet shaft to pass through. The pallet is provided with a guide rail opening/closing means provided to allow the pallet to pass through the curved portion of the guide rail, and rotation support means for horizontally rotating the pallet while supporting the guide roller when the pallet passes through the curved portion of the guide rail.

In addition, other proposals have also been made, such as ``Storage, storage and transportation equipment for cargo such as automobiles, etc.'' in 1983-665, ``Two-story parking device'' in 1987-28743, and ``Parking device'' in 1954. It has become publicly known.

(Problems to be Solved by the Invention) In the above-mentioned circular circulation parking devices, the lateral feeding speed of the pallet or container rows is the same, and the feeding speed of the pallets or containers at the turning parts at both ends of the row is If the traversal speed of the pallet or container is set to be the same as the traversal speed of the pallet or container, the circumferential speed at the revolving section must be made faster than the traversal speed in order for the loaded vehicle to interfere with or come into contact with the preceding loaded vehicle, and in practice, for example, When the pallet or container moves at a constant speed of 12 m/min, it must make one revolution, so the circumferential speed of the rotating section becomes 34 m/min, about three times as much.

Therefore, in each of the above-mentioned parking devices, a horizontal rotation support means, a parallelogram link means, or a mechanical conversion device is installed in the revolving part in order to accelerate the feeding speed of the pallet or container in the revolving part. Multiple structures result in high costs, and if the center of the destination (trailing) pallet or container does not reach the center of the driving wheel (driven wheel), the next pallet or container will be placed at the starting end (terminus) of the turning section. position)
Since the vehicle does not reach the target, driving becomes intermittent, and therefore,
There are difficulties in implementing high-speed specifications, and there is a drawback that it takes time to enter and exit the warehouse.

In addition, since the support for pallets or containers is unstable, there is a risk that they may fall off when turning and cause various problems. The circumferential speed of the rotating part becomes in direct proportion to the high speed, and the power must be increased, which becomes uneconomical.
Furthermore, there is also the disadvantage that the overall length of the apparatus increases to the extent that the pallets or containers in the revolving section protrude outward relative to the specified number of units to be accommodated, resulting in poor land utilization efficiency.

The object of the present invention is to provide a circular circulation parking system that has good space utilization efficiency and can shorten the time taken for cars to enter and leave the parking lot, reduce noise, and reduce costs by simplifying the structure through continuous high-speed movement. It is about providing.

(Means for solving the problem) Therefore, according to the present invention, the drive part frame,
An intermediate frame and a driven frame are arranged adjacent to each other on the same level to form a steel frame, and between a driving master wheel and a driven master wheel installed in opposing positions on the driving part frame and the driven part frame. An endless link chain is guided by upper and lower chain guides provided inside the steel frame so as to reciprocate and circulate, and the main driving sprocket, which is integrally attached to the inner surface of the main drive wheel, is equipped with a brake. Driven by the output shaft of a reducer directly connected to the prime mover, the main drive wheel on the opposite side is synchronously driven from the intermediate shaft of the reducer via a synchronous connection shaft, and the same number of wheels as accommodated in the link chain are driven. Attachment link plates having chain rollers with flanges at both ends of the lower part are installed at equal pitches, and the free ends of the attachment link plates are pivoted to support shafts provided on the longitudinal sides of each loading tray. By fixing the lower part of the tray horizontal holding plate, which has guide rollers attached to both upper ends thereof, to both the supporting shafts, a three-point support structure is achieved by the supporting shafts and both guide rollers, and the steel frame A semicircular outer guide rail and an arcuate inner guide rail that are continuous with the upper and lower running rails and are guided in a manner corresponding to the turning locus of both the guide rollers are connected to the driving part frame and the driven part. It is installed in a frame.

(Example) In FIGS. 1 and 2, 1 is a driving part frame, 2 is an intermediate part frame, and 3 is a driven part frame, and these frames are arranged adjacently on the same level, Upper and lower running rails 4 and 5 each having a rectangular cross section are located at the top and bottom of the frame.
are arranged in parallel to face each other, and an upper chain guide 6 and a lower chain guide 7, each having a cross-sectional shape with channels facing each other, are arranged in parallel at the inner lower position and the inner upper position of these rails. As shown in FIG. 3, semicircular outer guide rails 8 and 9 having a channel-shaped cross section and integrally connected thereto are provided at the driving end and driven end of the upper traveling rail 4 and the lower traveling rail 5, respectively. Arc-shaped inner guide rails 10 and 11 having the same cross section as described above are connected and provided oppositely, respectively, and as shown in the left half of FIG. A drive wheel 14 is rotatably attached to each support shaft 13 attached to a pair of fixed box-shaped brackets 12 arranged opposite each other, and a reamer bolt (not shown) is attached to the wheel as appropriate. A main drive sprocket 16 having two rows of racks 15 is fixed thereto. Further, above the lower chain guide 7, a drive base 17 is installed inside the drive unit frame 1, and on the drive base, an electric motor 18 with a brake, a reducer 21 having an output shaft 19, and an intermediate shaft 20 are installed. These electric motors and reduction gears are directly connected via a gear coupling 22, and a main drive sprocket 16 and a slave drive sprocket 23 attached to the output shaft.
An endless double drive chain 24 is mounted on the drive base 17, and the tension of the chain is adjusted by an idler 25 which is installed at a corner of the drive base 17 so that its position can be adjusted.

Next, a pair of plummer bearings 27 are provided on both sides of the bearing pedestal 26 which is bridged inside and above the drive unit frame 1, and the bearings have a central portion supported by an intermediate bearing 28 and a pair of plummer bearings 27 supported at both ends. A synchronous connection shaft 30 having a driven sprocket 29 is pivotally installed, and the driven sprocket 29 on the motor 18 side and the reducer 21
The drive sprocket 3 attached to the intermediate shaft 20 of
A drive chain 32 is mounted between the motor 18 and the motor 18.
When the motor is operated, the slave drive sprocket 23 attached to the output shaft 19 of the reducer 21 rotates, power is transmitted to the main drive sprocket 16 via the double drive chain 24, and the main drive wheel 14 integrated with the sprocket rotates. When a rotational movement is performed, the drive sprocket 31 attached to the intermediate shaft 20 of the reducer 21 rotates, and the power is transferred to the drive chain 32.
and the synchronous connection shaft 3 via the driven sprocket 29.
0 and is input to the driving main wheel (both not shown) through the drive sprocket and driven sprocket of the opposite speed reducer and the main drive sprocket having the same number of teeth, thereby causing the front and rear pair of The driving main wheels 14 are operated synchronously.

The power transmission system installed on the drive section frame 1 on the opposite side is completely the same as the power transmission system except for the electric motor 18 on the drive side, and only the mounting positions thereof are opposite to each other.

Furthermore, as shown in FIG.
A support shaft 34 is attached to a pair of box-shaped brackets 33 that are arranged opposite each other and are fixed at the center of the inner side of the support shaft 34.
A driven master wheel 35 is rotatably mounted on each of the master wheels, and the power transmission system for these master wheels is connected to an electric motor 18 on the driving side and a synchronous connecting shaft 30.
Since it is exactly the same as the power transmission system except for the one that is installed oppositely, the explanation will be omitted.

Next, an endless link chain 36 guided by an upper chain guide 6 and a lower chain guide 7 is mounted between the driving master wheel 14 and the driven master wheel 35. The same number of attachment link plates 37 as the number of machines accommodated in the automatic shop are installed at equal pitches, and a pair of flanged chain rollers 3 are installed at both ends of the base of these attachment link plates.
8 (total of 4 pieces), (total of 8 pieces for the attachment link plates 37 on the front and back or on both sides),
At the free end of the attachment link plate,
A metal bearing (head block) 39 is installed which can be divided into two parts by removing a reamer bolt (not shown) for rotatably supporting a load tray, which will be described later.

In addition, as shown in FIGS. 1, 3, 4, and 5, the loading trays 40 on which automobiles are placed, which are arranged in two rows (upper and lower), have an upper tray 41 and a smaller width tray. The lower tray bed 42 is formed integrally with the lower tray bed 42 via appropriate dowel pins (not shown), and is constructed so that it can be separated or assembled, and a pair of supporting shafts are provided at the central portions of both sides in the longitudinal direction of the lower tray bed. 43 are mounted opposite to each other, and these supporting shafts are pivotally supported by metal bearings or head blocks 39 mounted on the free end of the attachment link plate 37, thereby supporting the loading or unloading of the loading tray 40. It is configured to support the load in a loaded state and to be able to rotate freely. Further, at the free ends of both supporting shafts 43, there is a V plate 45 having two guide rollers 44 at the tips.
is rotatably mounted, and the loading tray 40 is always held horizontally during traveling or turning by the three-point support system of these guide rollers and the supporting shaft. A keystone plate (not shown) is installed to prevent water or oil leaking from parked cars from splashing onto cars parked below.

Next, tensioning devices 48 of the driving link chain 36 mainly consisting of a pressing bolt 46 and a coil spring 47 are provided oppositely below the intermediate frame 2 and the driven frame 3, so that both frames are The coil spring is tensioned by a strong compressive force to constantly absorb the expansion and contraction that occurs when the chain is driven and rotated.

Furthermore, the circular circulation parking device according to the present invention has the following features:
Normally, as shown in FIG. 2, a forklift 49 is buried underground and has an upper tray 41 of a loading tray 40 mounted on the drive frame 1 side and moves up and down.
is installed, and the forklift mainly consists of a pair of lift columns 51 and a drive roller chain 52 disposed opposite to the lifting frame 50, and the lower and upper portions of the lift columns on which the chains are mounted. The elevating frame 50 is made up of a driving sprocket 53 and a driven sprocket 54 installed in the frame 50, and the elevating frame 50 is raised or lowered by the rotation of the driving sprocket driven by a drive device (not shown) as appropriate. .

(Function) The operation of the circular parking system according to the present invention is based on the loading trays 40 in the upper and lower stages of the intermediate frame 2.
The transverse feed in the left-right direction and the rotational feed from the upper stage to the lower stage in the drive part frame 1 and the driven part frame 3, or vice versa, are smoothly and continuously performed by the drive of the brake-equipped prime mover 18. That is, as shown in FIG.
When started, the reducer 21 is driven via the gear coupling 22, the driven sprocket 23 attached to the output shaft 19 of the reducer rotates, and the double drive chain 24 mounted on the sprocket is rotated. The main drive sprocket 16 rotates counterclockwise (or in the direction of the hour hand), and the main drive wheel 14, which is integral with the sprocket, also rotates in the same direction. On the other hand, the rotation of the drive sprocket 31 attached to the intermediate shaft 20 of the reducer 21 causes the driven sprocket 29 to rotate via the drive chain 32, and the synchronous connecting shaft 30 integrated with the sprocket to rotate. The main drive wheel on the opposite side rotates synchronously by a completely similar drive mechanism except for the motor with a brake in the drive mechanism of the main drive wheel 14 on the side.

Therefore, the drive link chain 36, which is endlessly attached to the driving main wheel 14 and the driven main wheel 35, moves leftward (or rightward) by the rotation of the driving main wheel in the counterclockwise direction (or in the hourly direction). The loading tray 40, which is moved and attached to the link chain via the attachment link plate 37, is traversed to the left (or right).

Therefore, when storing a car, as shown in Fig. 3, for example, the parking device is activated and the loading tray A on which the car is to be loaded is moved horizontally to the left. A is horizontally supported by two horizontally holding guide rollers 44 and a supporting shaft 43 that pivots the vertical attachment link plate 37 (an isosceles triangle with this supporting shaft as its apex). position, and when the lateral feed is continued from this state, the guide rollers pass through the semicircular outer guide rail 8 and the arcuate inner guide rail 10, respectively, and at the same time pass through the attachment link plate. The loading tray 40 is rotated 90 degrees to the left, and the loading tray 40 is continuously circulated until it reaches the A' position, that is, the hoistway position (lift installation part), and is then stopped.

Note that the rotation direction of the loaded tray 40 that has been called out is appropriately determined by a sorting device (not shown).
The vehicle is driven to reach the lift section (A' position) via the closest route.

Next, when the elevating frame 50 of the forklift 49, which had been at the lowest level until then, is raised by the operation of the lift, the elevating frame forms a loading tray and an upper tray wider than the U-shaped tray bed 42. 41 is scooped up and reaches the solid line position shown in FIG. Next, the elevating frame 5
When a car gets on the upper tray 41 on top of the vehicle, the forklift 49 is operated to lower the elevating frame, and the upper tray is transferred to the lower tray bed 42 waiting at the solid line position of the turning section. The elevating frame descends to the lowest level. Subsequently, the loading tray 4 at position A′ with the car on it
0 is rotated to the upper stage (or lower stage) through the route closer to the storage area, and is then transversely fed to the right to be stored at a predetermined position. In this case, as mentioned above, the loading tray 40, the guide rollers 44 fit and slide on the semicircular outer guide rail 8 and the arcuate inner guide rail 10, respectively, and at each point where each guide roller is displaced, a U-shaped lower part is formed. This is brought about by supporting and shifting the eccentric load in an alternating manner through the interaction of the tray bed 42 with the carrying shaft 43, and also by the half-turn of the loading tray 40 in the swiveling section. The vehicle enters a standby state for entering and exiting a vehicle that has been moved one pitch laterally.

(Effects) Since the present invention is configured as described above, it can produce effects as described below.

(1) Although the feeding speed of the loading tray in the revolving section is slightly increased compared to the lateral feeding speed, it is less than half that of conventional equipment, resulting in stable continuous high-speed operation, shortening the receiving and shipping time, and downsizing the power. It is possible to improve economic efficiency and reduce noise.

(2) Unlike conventional equipment, there is no horizontal rotation support means, parallelogram link means, or mechanical conversion device to increase the speed at the rotating part, so the structure is simple and has a low failure rate. The length of the entire device is shortened, and the efficiency of land and space utilization is high, with emphasis on space saving.

(3) The loading tray is always maintained in a horizontal state even when traveling or turning using a three-point support system using the supporting shaft of the lower tray bed and two guide rollers attached to the tip of the V plate attached to the end of the supporting shaft. Because of this, there is no chance of the aforementioned load tray falling off, and there is no risk of trouble occurring.

(4) Since the flanged chain roller attached to the drive link chain reciprocates on the upper and lower guide rails with cross-sectional shapes facing each other, it is possible to keep the rollers parallel to the front-back position of the loading tray. Because of this, it is possible to travel while suppressing overturning or tilting of the tray.

[Brief explanation of drawings]

FIG. 1 is a plan view showing a circular circulation parking device according to the present invention, FIG. 2 is a front view showing the frame structure of the device according to the present invention, and FIG. FIG. 4 is a sectional view simultaneously showing half of the driving part and intermediate part as before, and FIG. 5 is a sectional view showing half of the driven part as before. Note that the correspondence between the main parts shown in the figures and the symbols is as follows. DESCRIPTION OF SYMBOLS 1... Drive section frame, 2... Intermediate section frame, 3... Driven section frame, 4... Upper stage running rail, 5... Lower stage running rail, 6... Upper stage chain guide, 7... Lower stage chain guide, 8 ,9...
semicircular outer guide rail, 10, 11... arcuate inner guide rail, 14... driving main wheel,
16... Main drive sprocket, 18... Electric motor with brake, 19... Output shaft, 20... Intermediate section, 2
DESCRIPTION OF SYMBOLS 1... Reduction gear, 30... Synchronous connection shaft, 35... Driven master wheel, 36... Driving link chain, 37... Attachment link plate, 3
8... Chain roller with flanges, 40... Loading tray, 43... Supporting shaft, 44... Guide roller, 45... Tray horizontal holding plate.

Claims (1)

[Claims] 1 Upper and lower 2 on a steel frame installed in the parking space.
The trays arranged in parallel on the tiers are transferred in the left-right direction by the circulation drive of an endless chain, and at both ends of the tray row, the upper tray is pivoted down to the lower tier, and at the same time, the lower tray is pivoted up to the upper tier. In the parking device of this type, a driving part frame, an intermediate part frame, and a driven part frame are arranged adjacently on the same level to form a steel frame, and the steel frame is installed opposite to the driving part frame and the driven part frame. An endless link chain is hung between the driving main wheel and the driven main wheel so as to reciprocate while being guided by upper and lower chain guides provided inside the steel frame, and is integrated with the inner surface of the driving main wheel. The main drive sprocket mounted on the main drive is driven by the output shaft of a reducer that is directly connected to the prime mover with a brake, and the main driving wheel on the opposite side is synchronously driven from the intermediate shaft of the reducer via a synchronous connection shaft. Attachment link plates having flanged chain rollers at both ends of the lower part of the same number as the number of units to be accommodated are attached to the link chain at equal pitches, and the attachment link plates are attached to the supporting shafts provided on the longitudinal sides of each loading tray. The free end of the attachment link plate is pivotally attached, and the lower part of the plate for horizontally holding the tray, which has guide rollers attached to both upper ends, is fixed to both the supporting shafts. Point-supported structure and no
The first drive unit controls a semicircular outer guide rail and an arcuate inner guide rail that are continuous with the upper and lower running rails installed on the steel frame and are guided in a manner corresponding to the turning locus of both guide rollers. A circular circulation parking device characterized by being installed in a frame and a driven part frame.