JPH09242365A - Solid housing tower - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solid parking device, in which a lifting-lowering mechanism can be constituted simply at low cost and the lifting-lowering mechanism can be arranged at an extremely low place. SOLUTION: A lift chain 26 supports the front end side of a lift frame 18 while lifting and lowering the front end side of the lift frame 18 by driving a motor 23 for lifting and lowering. The rear end side of a lifting-lowering lift 17 is interlocked with the lifting-lowering operation of the front end side and elevated and brought down through a guide sprocket 21A, a balance chain 20 and a guide sprocket 21B. Accordingly, the lifting-lowering lift 17 is elevated and brought down in a lifting-lowering space while holding an approximately horizontal state.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a three-dimensional storage tower such as a three-dimensional parking device.

[0002]

2. Description of the Related Art As conventional multi-dimensional parking devices, there are those shown in FIGS. 8 and 9. In the three-dimensional parking apparatus, the storage spaces K are juxtaposed on both left and right sides of a vertically elevating space S extending in the vertical direction. The elevator space S and the storage space K are divided into a plurality of floors. The traverse tray 51 on which the vehicle C is placed is accommodated in each floor of the storage space K, and can be traversed between the same floors of the storage space K and the elevating space S when the vehicle C is loaded or unloaded. . The elevating lift 52 is provided so as to be able to ascend and descend in the elevating space S. The traverse tray 51 and the lifting lift 52 have alternating comb-shaped forks (not shown). Therefore,
The traverse tray 51 and the elevating lift 52 pass each other through the fork portion in the elevating space S, so that the automobile C is delivered between the both 51 and 52.

By the way, the above-mentioned multi-level parking device is provided with a lift 5
Winch 53 as an elevating mechanism for vertically moving 2
It has. The winch 53 is arranged at the center of the uppermost part in the lifting space S, and four wires 54 hung from the winch 53 are connected to both front and rear ends of the lifting lift 52. Therefore, the lifting / lowering lift 52 is raised or lowered in the lifting / lowering space S by winding or unwinding the wire 54 by the winch 53.

[0004]

However, in the above-mentioned prior art, one winch 53 is arranged at the center of the uppermost part in the ascending / descending space S, and the winch 53 winds and unwinds the four wires 54. I was going. For this reason, the winch 53 must be arranged at a high position so that the winch 53 does not interfere with the vehicle C on the traverse tray 51 or the lifting / lowering lift 52 on the uppermost floor, and the overall height of the multi-level parking device is high. .

Here, the four wires 54 may be wound and unwound by a winch provided for each of them. In this way, the winches can be arranged closer to the side of the ascending / descending space S, and even if the winches are arranged lower than the above technology, the vehicle C on the traverse tray 51 or the ascending / descending lift 52 on the top floor can be arranged. Can be prevented from being interfered with. However, providing a large number of winches leads to high cost of the lifting mechanism, and the control circuit for synchronously controlling each winch is complicated.

The present invention has been made by paying attention to the problems existing in the above-mentioned prior art, and the purpose thereof is to make it possible to easily and inexpensively construct an elevating mechanism and to arrange the elevating mechanism at a position as low as possible. An object of the present invention is to provide a multi-level parking device capable of doing.

[0007]

In order to achieve the above object, according to the invention of claim 1, a first rotating body rotatably arranged at one end of the lifting lift and another end of the lifting lift are provided. The second rotating body is rotatably arranged and is bridged between the first and second rotating bodies, and one fixed end side of the second rotating body is raised along the rising direction of the lifting lift via the first rotating body. A lifting member for supporting the other end side of the lifting lift and lifting and lowering the other end of the rope-like member whose other fixed end side is lowered along the descending direction of the lifting lift via the second rotating body. It is a three-dimensional storage tower equipped with and.

According to the second aspect of the present invention, each floor of the storage space accommodates a traverse tray on which stored items are placed, and the traverse tray is capable of traversing between the same floors of the storage space and the elevating space. Further, the traverse tray and the elevating lift are provided with alternating forks, and are configured such that the stored items are delivered between the two by passing the forks.

According to a third aspect of the present invention, the elevating lift has a lift frame that supports a fork, the lift frame has a hollow shape, and the cord-shaped member is inserted through an inner space of the lift frame. .

According to a fourth aspect of the present invention, the fork is inserted and fixed to the lift frame through a fork support hole formed in the lift frame. According to the invention of claim 5, a fork receiving member for receiving an end portion of the fork inserted into the internal space of the lift frame is disposed, and a fork is provided behind the fork receiving member. An insertion space for the cord-shaped member that does not interfere is formed.

(Operation) In the invention of claim 1 having the above structure, the other end of the lifting lift is supported by the lifting means. Therefore, the one end side of the lift is the first rotating body,
The second rotary body and the cord-shaped member are linked to each other and are held at the same height as the other end side. Then, when the other end side of the elevating lift is moved up and down by the elevating means, the first rotating body, the second rotating body, and the cord-shaped member are linked, and one end side is also moved up and down in the same manner as the other end side.

According to the second aspect of the invention, the traverse tray and the elevating lift pass each other's fork portions so that the stored items are delivered. The stored items transferred to the traverse tray are stored by traversing the traverse tray from the elevating space to the storage space. Further, the stored items transferred to the elevating lift are conveyed to a predetermined exit position by elevating the elevating lift.

According to the third aspect of the invention, the cord-shaped member is inserted through the inner space of the lift frame. Therefore, a dedicated space for arranging the cord-shaped member is not required around the lift frame.

According to the fourth aspect of the present invention, the fork is inserted and fixed to the lift frame through a fork supporting hole formed in the lift frame. Therefore, as compared with fixing the fork to the side surface of the lift frame by welding or the like, sufficient mounting strength can be secured by simple processing.

Here, depending on the insertion position of the fork, the fork may interfere with the cord-shaped member inserted into the inner space of the lift frame. Therefore, in the invention of claim 5, the fork receiving member is arranged in the inner space of the lift frame, and the fork receiving end that may interfere with the cord-like member is received by the fork receiving member, Further insertion into the inner space is prevented. Therefore, behind the fork receiving member, an insertion space for the cord-shaped member is formed, which is not interfered by the fork and hinders its insertion.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment in which the three-dimensional storage tower of the present invention is embodied in a three-dimensional parking device will be described below.

As shown in FIGS. 1 to 5, the main frames 11A to 11D are erected vertically in the four corners of the site. The elevating space S is the main frame 11
It is partitioned and formed in the center of the space surrounded by A to 11D, and extends in the vertical direction along the main frames 11A to 11D. The storage space K is partitioned and formed adjacent to both left and right sides of the elevator space S.
~ 11D extending in the vertical direction.

The elevating frames 12A to 12D are arranged at the four corners of the elevating space S and extend in the vertical direction along the elevating space S. Each of the elevating frames 12A to 12D has a U-shaped cross section, and the elevating frames 12A and 12B located on the front side of the elevating space S and the elevating frames 12C and 12D located on the rear side are the same. It is arranged with the U-shaped openings facing each other.

A pair of first roller frames 13 extending in the left-right direction are provided horizontally between the front elevating frames 12A and 12B and between the rear elevating frames 12C and 12D, respectively. A plurality of the first roller frames 13 are provided at predetermined intervals along the vertical direction. The elevating space S is divided into a plurality of floors by the first guide rail 13. The plurality of first guide rollers 14 are rotatably provided on the facing surfaces of the first roller frames 13 on each floor.

The pair of second roller frames 15 extending in the left-right direction are provided between the front main frames 11A and 11B and the elevating frames 12A and 12B, and between the rear main frames 11C and 11D and the elevating frames 12C and 12D. Each is crossed. Same second roller frame 15
Are provided at predetermined intervals along the vertical direction, and are respectively arranged at the same height position as the first roller frame 13. Each storage space K is divided into a plurality of floors by the second roller frame 15, and a storage room K1 is formed in each floor. The plurality of second guide rollers 16 are rotatably provided on the facing surfaces of the second roller frames 15 in the accommodation chamber K1 on each floor.

The ascending / descending lift 17 has a pair of lift frames 18 extending in the front-rear direction on both left and right sides of the ascending / descending space S, and comb teeth projecting from the lift frames 18 toward the lift frames 18 opposed to each other. The forks 19A and 19B each have a shape.

As shown in FIGS. 4 to 7, the lift frame 18 is hollow, and a pair of steel members 18a, 18b having a U-shaped cross section are welded together with their end faces abutting each other. It is configured by The plurality of fork insertion holes 18c are formed in the facing surfaces of the steel materials 18a of the respective lift frames 18 which face each other. The forks 19A and 19B are inserted into the lift frame 18 through the respective fork insertion holes 18c, and are welded and fixed by the insertion end portion which is in contact with the inner surface of the other steel material 18b and the contact portion with the fork insertion hole 18c. . Same fork 19
Of A and 19B, a group (19A) on the front side of the lift frame 18 also serves as a wheel stopper for the automobile C. For this reason,
The pair of forks 19A on the center side is arranged at a lower position compared to the forks 19A on both sides so that the wheels of the vehicle C are slightly dropped when the vehicle C is placed on the lifting lift 17. It is set up.

Here, a plate-shaped fork receiving member 33.
Between the steel materials 18a and 18b are fixedly arranged at a position corresponding to the front fork 19A group. The fork receiving member 33 has a fork insertion hole 33a that allows insertion of only the forks 19A on both sides in the fork 19A group. Therefore, the insertion ends of the pair of forks 19 </ b> A on the center side are received by the wall surface of the fork receiving member 33 and fixed to the same by welding. As a result, as shown in FIGS. 5 and 7, the fork receiving member 3
3, in the inner space of the lift frame 18 behind which receives the fork 19A on the center side,
An insertion space M is formed from the front end side to the rear end side of the fork 19A, 19B without interference.

The front and rear ends of each lift frame 18 are inserted into the openings of the front and rear lift frames 12A to 12D, respectively. The elevating lift 17 is configured to be able to ascend and descend in the elevating space S by an elevating mechanism described later.

A traverse tray 28 for mounting the car C
A and 28B are composed of a pair of fork frames 29 arranged in parallel in the front-rear direction, and a guide frame 30 having a U-shaped cross section fixed between the end portions of both fork frames 29. . Also, the same traverse tray 2
The fork 8 has comb-shaped forks 31 that alternately project from the forks 19 of the lifting lift 17 on both left and right sides thereof. The traverse trays 28A and 28B are fitted into the second guide roller 16 with the "U" -shaped inner space of the guide frame 30, respectively.
5 supported. Same traverse tray 28A, 28B
Is always housed in the storage room K1 on each floor,
When the vehicle C is loaded or unloaded, the vehicle C is guided and supported by the second guide roller 16 and the first guide roller 14, and can be moved laterally between the storage room K1 and the elevator space S on the same floor.

As described above, the traverse trays 28A, 28B
As a traverse mechanism for traversing, the chain portion 35 is provided on the upper surface of the guide frame 30 of each traverse tray 28A, 28B. The chain portion 35 extends along the longitudinal direction of the guide frame 30 (the moving direction of the traverse trays 28A and 28B).

The first and second bearings 36 and 37 are arranged on the upper surfaces of the front and rear first and second roller frames 13 and 15 near the elevating frames 12A to 12D, respectively. Each pair of the first transverse sprocket 38 is rotatably supported by the first bearing 36. Each pair of second traverse sprocket 39 is rotatably supported by the second bearing 37. As shown in the enlarged circle in FIG. 4, the first and second traverse sprockets 38, 3
9 has tooth portions 38a, 39a formed on the outer peripheral side thereof,
The traverse trays 28A and 28B are arranged so as to intersect with the movement trajectory of the chain portion 35. It should be noted that the first and second sprocket wheels 38 and 39 are used for the traverse tray 28.
While A and 28B are moved between the storage chamber K1 and the ascending / descending space S, at least one of them is always in a positional relationship of being meshed with the chain portion 35.

The interlocking shaft 40 is rotatably mounted between the front and rear second roller frames 15. Sprockets 38b, 39b, 40a, 40b are fixed to the rotary shafts of the first and second traverse sprockets 38, 39 and both ends of the interlocking shaft 40, respectively. The endless drive chain 41 is wound around the front and rear sprockets 38b, 39b, 40a, 40b, respectively. The drive chain 41 includes the lifting frame 12A so as not to interfere with the lifting space S.
It is routed outside of ~ 12D.

Traverse motor 42 consisting of a brake motor
A and 42B are respectively arranged in the upper part of the 2nd bearing 37 in the 2nd roller frame 15 of the front side, and are meshed with the drive chain 41 of the front side by the sprocket 42a attached to the drive shaft. Therefore, by driving the traverse motors 42A and 42B, the first and second traverse sprockets 38 and 39 on the front side are rotated, and the first and second traverse sprockets on the rear side via the interlocking shaft 40. 38 and 39 are also rotated in the same direction. Then, by the rotation of the first and second traverse sprockets 38 and 39, the traverse trays 28A and 28B are stored in the storage chamber K.
It is possible to traverse between the same floors of 1 and the elevator space S.

The loading / unloading room F is provided on the lowest floor of the ascending / descending space S, and the loading / unloading room F serves as an entrance / exit of the automobile C to / from the multilevel parking apparatus. The floor 32 is provided in the lower part of the loading / unloading room F, and although not shown, the left and right sides of the floor 32 have the same shape as the forks 31 of the traverse trays 28A and 28B, that is, the forks 19 of the lifting lift 17. And a fork that alternates with is formed.

Next, the lifting mechanism will be described. As shown in FIGS. 1 to 7, the pair of balance chains 20 as the cord-shaped members are arranged on both left and right sides in the ascending / descending space S. The guide sprocket 21 </ b> B as the first rotating body is arranged inside each lift frame 18 on the rear end side. The guide sprocket 21A as the second rotating body is rotatably arranged on the front end side inside each lift frame 18. Both guide sprockets 21A and 21B are rotatable in the same plane.

The balance chain 20 is inserted into the insertion space M of each lift frame 19 in a substantially horizontal state and is stretched between the guide sprockets 21A and 21B. The rear end side of the balance chain 20 is raised by passing through the guide sprocket 21B, and the raised end is fixed to the upper ends of the rear elevating frames 12C and 12D. In addition, the front end side of each balance chain 20
It is descended by passing through the guide sprocket 21A, and its descending end is the front elevating frames 12A, 12B.
Is fixed to the lower end portion.

The counter shaft 22 is rotatably mounted between the upper ends of the elevating frames 12A and 12B on the front side, and is rotated in the forward and reverse directions by an elevating motor 23 fixed to the upper end of one elevating frame 12B. Is driven to rotate. The pair of drive sprockets 24 are fixedly arranged on the counter shaft 22 at positions corresponding to the inner spaces of the elevating frames 12A and 12B. Lift chain 2
6 is wound around each drive sprocket 24. One end of the lift chain 26 is fixed to the front end of the lifting lift 17, and a balance weight 27 is attached to the other end. The balance weight 27 adjusts the weight balance between the lifting lift 17 side and the lift chain 26.

Here, the balance chain 20 has substantially the same length as the height difference between the ascending end and the descending end of the balance chain 20 plus the distance (crossover distance) between the guide sprockets 21A and 21B in the lift frame 18. have.
Therefore, the front end side of the lift frame 18 is the lift chain 2
6 is suspended and supported by the guide sprocket 2
1B, balance chain 20, and guide sprocket 21
Due to the linkage of A, the rear end side of the lift frame 18 is also held at substantially the same height as the front end side. In other words, the lift 23
Balanced in a substantially horizontal state.

When the lift chain 26 is fed in one direction or the other direction by driving the lifting motor 23, the front end side of the lifting lift 17 will be positively moved up or down. The rear end side of the lifting lift 17 is moved up and down by interlocking with the lifting operation on the front end side via the guide sprocket 21A, the balance chain 20, and the guide sprocket 21B. Therefore, as shown by the chain double-dashed line in FIG. 5, the elevator lift 17 is guided in the elevator frames 12A to 12D to ascend and descend in the elevator space S while maintaining a substantially horizontal state.

Next, the operation of the multi-storied parking apparatus having the above structure will be described. (Housing operation) In order to put the car C into the multilevel parking device, the elevating lift 17 is moved and arranged below the floor 32. In this state, the automobile C is loaded into the loading / unloading chamber F and stopped on the floor 32. Then, the lift 17
By raising, the fork 19 of the lift 17 and the fork of the floor 32 pass each other, and the vehicle C on the floor 32 is delivered to the lift 17.

The elevating lift 17 on which the automobile C is mounted is elevated in the elevating space S and stopped at a position above the floor to which the predetermined storage room K1 belongs. After that, the traverse trays 28A and 28B in the storage room K1 are traversed to the ascending / descending space S. In this state, the lifting lift 17 is lowered so that the forks 19 and the traverse trays 28A, 2 of the lifting lift 17 are lowered.
The 8C fork 31 passes each other, and the automobile C is transferred from the elevating lift 17 to the traverse trays 28A and 28B. Traverse trays 28A and 28B that received car C
Is laterally moved into the storage room K1, and the automobile C is stored in a predetermined storage room K1.

(Outgoing operation) In order to take out the car C from the multi-story parking apparatus, the storage room K in which the car C is stored is stored.
The traverse trays 28A and 28B of No. 1 are traversed to the elevation space S. In this state, by raising the elevating lift 17, the fork 19 of the elevating lift 17 and the fork 31 of the traverse trays 28A, 28B pass each other, and the vehicle C receives the elevating lift 17 from the traverse trays 28A, 28B. Passed.

The elevating lift 17 on which the car C is placed is temporarily stopped at a position above the floor of the storage room K1, and the traverse trays 28A, 28B located in the elevating space S between them.
Is laterally moved to its own storage room K1. Then, the lift 17 is lowered to the lowest floor, the fork 19 of the lift 17 and the fork of the floor 32 pass each other, and the automobile C is transferred from the lift 17 to the floor 32. The unloading is completed by moving the automobile C out of the loading / unloading chamber F.

The present embodiment having the above configuration has the following effects. (1) The lift frame 18 of the lifting lift 17 is supported by the lift chain 26 only on the front end side thereof, and the guide sprockets 21A and 21B and the balance chain 2 are provided.
With the linkage of 0, the lift frame 18 is held in a substantially horizontal state. Further, in order to move the lift frame 18 up and down, it is only necessary to wind and lift the lift chain 26. Therefore, the lifting motor 23 can be arranged laterally of the lifting space S, and the lifting motor 23 and the lift chain 2 can be arranged.
Even if 6 etc. are placed in a low position (a position where they are wrapped with the space on the top floor), the traverse trays 28A, 28B on the top floor
And, it is not interfered with by the car C on the lifting lift 17. Therefore, the overall height of the multi-level parking device can be reduced as compared with the conventional one. Further, since only the front end side of the lift frame 18 needs to be positively moved up and down, the number of lifting motors 23 can be reduced as compared with the conventional one, and the lifting mechanism can be configured at low cost.

(2) By connecting both drive sprockets 24 by the counter shaft 22, the lifting motor 2
3 is common. Therefore, only one drive source (elevating motor 23) is required to raise and lower the elevating lift 17.
The control circuit is also simple. As a result, the lifting mechanism can be constructed at low cost.

(3) The balance chain 20 is inserted into the inner space of the lift frame 18. Therefore, it is not necessary to secure a space for arranging the balance chain 20 around the lift frame 18, which contributes to space saving of the lifting mechanism.

(4) The forks 19A and 19B are inserted and fixed to the lift frame 18 through the fork insertion holes 18c. Here, in a conventional lifting lift, a plurality of forks are welded and fixed to a mounting plate, and the mounting plate is further welded and fixed to a side surface of the lift frame. Therefore, the lift frame supports the fork in a cantilever manner, and when the fork and the mounting plate are welded, unless sufficient melting is performed, it is not possible to secure the mounting strength to withstand the weight of the automobile C. . However, in this embodiment,
The ends of the forks 19A and 19B are welded and fixed to the steel material 18b and the fork receiving member 33, and the intermediate position thereof is supported by the inner edge of the fork insertion hole 18c. Therefore, it is possible to obtain a predetermined attachment strength without melting the welded portion so much. In other words, with the same welding method, the fork 19
The mounting strength of A and 19B to the lift frame 18 can be increased.

(5) The insertion end of the fork 19A (center side) arranged at a height different from that of the other forks 19A and 19B is welded and fixed to the fork receiving member 33. Therefore, behind the fork receiving member 33, the insertion space M which is not interfered with the fork fork 19A (center side) can be secured. As a result, in this embodiment, even if the forks 19A and 19B are arranged at different heights, the balance chain 20 is inserted into the inner space of the lift frame 18, and the forks 19A and 19B are inserted and fixed in the lift frame 18. I was able to materialize what I did at the same time.

The following embodiments can be carried out without departing from the spirit of the present invention. (1) Both drive sprockets 24 are rotationally driven by separate lifting motors. In this way, the counter shaft 22 that takes up space can be eliminated.

(2) In the above embodiment, the automobile C was delivered by the forks 19A, 19B and 31 provided alternately, but the transverse trays 28A and 28
B may be placed on the lifting lift 17 as it is and moved between the respective storage chambers K1 and the loading / unloading chambers F.

(3) The storage space K should be embodied in a multilevel parking apparatus formed only on one side of the ascending / descending space S. (4) As a three-dimensional storage tower for storing stored items other than the automobile C, for example, it should be embodied in an automated warehouse or the like.

The technical idea that can be understood from the above embodiment will be described. The first and second rotating bodies 21A, 21
The solid storage tower according to any one of claims 1 to 5, wherein B and the cord-shaped member 20 are in a meshing relationship.

In this way, the first and second rotating bodies 2
Engagement of the cord members 20 with 1A, 21B is ensured.

[0050]

According to the inventions of claims 1 and 2 having the above construction, the lifting mechanism can be constructed simply and inexpensively. Further, it is possible to arrange the lifting mechanism in the lowest possible position. Therefore, the overall height of the multi-level parking device can be reduced.

According to the third aspect of the present invention, it is not necessary to secure a space for disposing the cord-shaped members around the lifting lift, which contributes to space saving of the lifting lift. According to the invention of claim 4, the fork can be easily and surely fixed to the lift frame.

According to the invention of claim 5, the fork does not interfere with the cord-like member, and the inventions of claims 3 and 4 can be embodied at the same time.

[Brief description of drawings]

FIG. 1 is a front view showing a multi-level parking device.

FIG. 2 is a plan view showing a multilevel parking device.

FIG. 3 is a partially enlarged view of FIG. 1;

FIG. 4 is a sectional view taken along line AA of FIG. 2;

5 is a sectional view taken along line BB of FIG.

FIG. 6 is an exploded perspective view of a lift frame.

7 is a sectional view taken along line CC of FIG.

FIG. 8 is an enlarged view of a main part showing a conventional multilevel parking apparatus.

FIG. 9 is an enlarged view of a main part showing a conventional multilevel parking apparatus.

[Explanation of symbols]

Reference numeral 17 ... Elevating lift, 18 ... Lift frame constituting the elevating lift, 21A ... Guide sprocket as a second rotating body, 21B ... Guide sprocket as a first rotating body, 20 ... Balance chain as a cord-like member, 23 ... Elevating A lifting motor constituting the means, 26 ... Similarly a lift chain, S ... lifting space, K ... storage space.

Claims (5)

[Claims] 1. A storage space divided into a plurality of floors, an elevating space arranged in parallel in the storage space and also divided into a plurality of floors, and an elevating lift arranged to be able to ascend and descend in the elevating space. In the three-dimensional storage tower, a first rotating body rotatably arranged on one end side of the lifting lift, a second rotating body rotatably arranged on the other end side of the lifting lift, and While being bridged between the second rotating bodies, one fixed end side of the second rotating body is lifted along the rising direction of the lifting lift via the first rotating body, and the other fixed end side of the lifting lift is passed through the second rotating body. A three-dimensional storage tower comprising: a rope-shaped member lowered along a descending direction; and an elevating means for supporting the other end of the elevating lift and elevating the other end. 2. A traverse tray on which stored items are placed is housed on each floor of the storage space, and the traverse tray is capable of traversing between the storage space and the elevating space in the same floor. The three-dimensional storage tower according to claim 1, wherein the traverse tray and the elevating lift are provided with alternating forks, and are configured to deliver stored items between the two by passing the forks. 3. The lift frame includes a lift frame that supports a fork, the lift frame is hollow, and the cord-shaped member is inserted through an inner space of the lift frame. Three-dimensional storage tower. 4. The three-dimensional storage tower according to claim 3, wherein the fork is inserted and fixed in the lift frame through a fork support hole formed in the lift frame. 5. A fork receiving member for receiving an end portion of a fork inserted into the inner space of the lift frame is arranged, and a fork is not interfered with behind the fork receiving member. The three-dimensional storage tower according to claim 4, wherein an insertion space for the cord-shaped member is formed.