Mechanical parking

Abstract

To provide a palletized mechanical parking lot with a high level of safety.SOLUTION: A mechanical parking lot 10 consists of: a boarding room 12; a parking room provided on a different floor from the boarding room 12; a lift path 96 connecting the boarding room 12 and the parking room; a pallet 32 on which a vehicle is loaded; a lift frame 88 on which the pallet 32 is mounted; a lifting device 94 for raising and lowering the lift frame 88 in the lift path 96; and a tilt correction mechanism for correcting tilt of the pallet 32 relative to the lift frame 88.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a mechanical parking lot. [Background Art]

[0002] Generally, mechanical parking lots are known as parking lots that can efficiently park a large number of vehicles in a small space. Various structures have been proposed for mechanical parking lots. One such structure is a pallet-type mechanical parking lot, in which a vehicle is placed on a pallet, and the pallet is moved vertically and horizontally using rails or grooves to be transported to a vacant pallet space. Further, by combining this pallet-type mechanical parking lot with a lift (lifting mechanism) and three-dimensional parking layers, a mechanical parking lot with further improved parking efficiency has also been proposed (see, for example, Patent Document 1). [Prior Art Documents] [Patent Documents]

[0003] [Patent Document 1] Japanese Unexamined Patent Application Publication No. 2009-197417 [Summary of the Invention] [Problem to be Solved by the Invention]

[0004] In a mechanical parking lot as described above, a vehicle is transported from a parking layer to the entrance / exit cabin by raising and lowering a lift frame on which a pallet is mounted within a hoistway. However, when a pallet is mounted on the lift frame in an inclined state, the vehicle may interfere with the surrounding area when entering the entrance / exit cabin from the hoistway, which may cause damage to a part of the vehicle.

[0005] The present invention has been made in view of such circumstances, and an object of the present invention is to provide a highly safe pallet-type mechanical parking lot. [Means for Solving the Problem]

[0006] To solve the above problems, a mechanical parking system according to one aspect of the present invention comprises a passenger boarding / alighting room, a parking room located on a different floor from the passenger boarding / alighting room, an elevator shaft communicating with the passenger boarding / alighting room and the parking room, a pallet on which vehicles are loaded, a lift frame on which the pallet is mounted, a lifting device for raising and lowering the lift frame within the elevator shaft, and a tilt correction mechanism for correcting the inclination of the pallet relative to the lift frame.

[0007] Furthermore, any combination of the above components, or any substitution of the components or expressions of the present invention between methods, apparatus, systems, etc., are also valid embodiments of the present invention. [Effects of the Invention]

[0008] According to the present invention, a highly safe pallet-type mechanical parking system can be provided. [Brief explanation of the drawing]

[0009] [Figure 1] This is a cross-sectional view of a mechanical parking system according to an embodiment. [Figure 2] Figure 1 is a floor plan of the B1F parking area. [Figure 3] This diagram shows how vehicles loaded onto pallets are transported through an elevator shaft to the passenger compartment. [Figure 4] This is a schematic diagram illustrating the state in which the pallet is tilted relative to the lift frame. [Figure 5] This is a schematic plan view illustrating the correction of pallet tilt in a mechanical parking system according to the first embodiment. [Figure 6] This is a schematic plan view illustrating the correction of pallet tilt in a mechanical parking system according to a second embodiment. [Figure 7] Figures 7(a) and 7(b) are schematic side views illustrating the operation of the pallet guide mechanism. [Figure 8] This is a schematic plan view illustrating the correction of pallet tilt in a mechanical parking system according to a third embodiment. [Modes for carrying out the invention]

[0010] In the following, identical or equivalent components and members shown in each drawing will be denoted by the same reference numeral, and redundant explanations will be omitted as appropriate. Furthermore, the dimensions of the members in each drawing will be enlarged or reduced as appropriate for ease of understanding. Additionally, some members that are not important for explaining the embodiment will be omitted from the drawings.

[0011] Figure 1 is a cross-sectional view of a mechanical parking garage 10 according to an embodiment. Figure 2 is a plan view of the B1F parking space 14 in Figure 1. The B2F parking spaces 16 and B3F parking spaces 18 are configured in the same way as the B1F parking space 14.

[0012] The mechanical parking system 10 is a so-called underground mechanical parking system located in the basement of a building 104 situated above ground, extending down to the third basement level. However, the mechanical parking system 10 may also be an above-ground mechanical parking system located within a building above ground.

[0013] The mechanical parking system 10 includes a B1F parking space 14 on the first basement level, a B2F parking space 16 on the second basement level, a B3F parking space 18 on the third basement level, multiple pallets 32, a first transfer device 56, multiple second transfer devices 58, a lift frame 88, four masts 90 provided as supports at the four corners of a roughly rectangular elevator shaft 96, and a lifting device 94. Note that two masts 90 may be provided at two corners of the elevator shaft 96.

[0014] The pallet 32 ​​is a flat plate-shaped member, and its upper surface on which the vehicle is mounted, i.e., the vehicle mounting surface 32a, is approximately rectangular. The mechanical parking system 10 is a pallet-type parking system that uses the pallet 32. This pallet-type mechanical parking system 10 is configured to park the vehicle 20 in the parking space by raising and lowering the pallet 32 ​​with the vehicle 20 mounted on it using a lifting device 94, or by moving it two-dimensionally in the vertical and horizontal directions using a first transfer device 56 and a second transfer device 58.

[0015] The B1F parking room 14, B2F parking room 16, and B3F parking room 18 each include 10 parking spaces. These 10 parking spaces are arranged in a matrix of 5 rows in the vertical direction (x-direction in the drawings) and 2 columns in the horizontal direction (y-direction in the drawings) substantially orthogonal to the vertical direction when viewed in a plan view. Each parking space is substantially rectangular in plan view and is configured to be capable of accommodating a pallet 32. A parking space is one parking area (one unit of parking) in a parking room where a vehicle 20 can be parked together with the pallet 32.

[0016] A boarding / alighting room 12 for allowing vehicles to enter the mechanical parking lot 10 and retrieve vehicles from the mechanical parking lot 10 is provided inside a building 104. The boarding / alighting room 12 is provided on a different floor from the parking rooms. The boarding / alighting room 12 is provided at the upper end of a hoistway 96. The boarding / alighting room 12 is provided with a substantially rectangular pallet opening 100 in plan view that communicates the boarding / alighting room 12 with the hoistway 96.

[0017] The hoistway 96 is provided along the vertical direction (z-direction). The hoistway 96 communicates with each of the B1F parking room 14, B2F parking room 16, and B3F parking room 18. At the lower end of the hoistway 96, a lifting device 94 for lifting and lowering a lift frame 88 is installed. Four masts 90 are provided at the four corners of the hoistway 96.

[0018] The lift frame 88 is supported by the four masts 90 so as to be capable of lifting and lowering, and is lifted and lowered along the hoistway 96 by the lifting device 94. A first transfer device 56 is provided on an upper portion of the lift frame 88. Note that for the lift frame 88, the four masts 90, and the lifting device 94, the lift frame, four masts, and lifting device described in Japanese Patent Application Laid-Open No. 2009-197417 previously filed by the present applicant can be respectively applied.

[0019] A pallet 32 is mounted on an upper portion of a first transfer device 56. The first transfer device 56 is configured to be capable of moving the pallet 32 in one in-plane direction (the x-direction in the figure). A second transfer device 58 is provided in each parking space, and moves the pallet 32 in the x-direction and the y-direction across the parking spaces. The y-direction is a direction orthogonal to both the x-direction and the z-direction. For the first transfer device 56 and the second transfer device 58, the conveying device described in Japanese Patent Publication No. 7-29681 previously filed by the present applicant can be applied. As shown in Fig. 2, between adjacent parking spaces, a fall-prevention roller 38 that supports the pallet 32 when the pallet 32 moves across the parking spaces is installed.

[0020] Fig. 3 shows a state where a vehicle 20 mounted on a pallet 32 is conveyed to the entrance / exit room 12 through a hoistway 96. The pallet 32 is mounted on a lift frame 88. As shown in Fig. 3, guide members 101 are provided at four corners of a peripheral edge portion 100a of a pallet opening 100. The guide member 101 may be formed of a resin material (for example, MC Nylon (registered trademark)). The guide member 101 has a tapered surface, and has a function of correcting the inclination of the pallet 32 when the pallet 32 is inclined relative to the lift frame 88, so that the pallet 32 can be accommodated in the pallet opening 100.

[0021] Since the entrance / exit room 12 is a place where people get on and off the vehicle 20, for safety, the size of the pallet opening 100 is set such that the pallet 32 can be accommodated therein without interfering with the peripheral edge portion 100a, and the gap between the pallet 32 and the peripheral edge portion 100a is as small as possible. On the other hand, the size of the hoistway 96 below the pallet opening 100 is set to a size obtained by adding a sufficient margin to the size of the pallet 32, so that the pallet 32 can pass through without interfering with the constituent elements of the hoistway 96.

[0022] Figure 4 is a schematic diagram illustrating the state in which the pallet 32 ​​is tilted relative to the lift frame. When the pallet 32 ​​rises and fits into the pallet opening 100, if there is no vehicle loaded on the pallet 32, the tilt of the pallet 32 ​​is corrected by the guide member 101 as described above. However, if a vehicle 20 is loaded on the pallet 32, the vehicle 20 will pass through the pallet opening 100 before the pallet 32, and therefore the tilt of the pallet 32 ​​is not corrected. As a result, there is a risk that a part of the vehicle 20 and the peripheral edge 100a of the pallet opening 100 may interfere with each other, potentially damaging a part of the vehicle 20. Therefore, the following describes an embodiment for correcting the tilt of the pallet 32 ​​relative to the lift frame 88.

[0023] (First Embodiment) Figure 5 is a schematic plan view illustrating the correction of the tilt of the pallet 32 ​​in a mechanical parking system according to the first embodiment.

[0024] As shown in Figure 5, the first transfer device 56 is provided on the lift frame 88, and includes a first drive wheel 148, a second drive wheel 150, a first driven wheel 152, a second driven wheel 154, a first drive motor 164, and a second drive motor 166. The first drive wheel 148, the second drive wheel 150, the first driven wheel 152, and the second driven wheel 154 are rotatably supported by a bearing mechanism (not shown). The first drive motor 164 rotates the first drive wheel 148. The second drive motor 166 rotates the second drive wheel 150. The first drive wheel 148 and the second drive wheel 150 are positioned at two diagonally opposite corners of the first transfer device 56, and the first driven wheel 152 and the second driven wheel 154 are positioned at the remaining diagonally opposite corners. In other words, the pair of first drive wheels 148 and first driven wheels 152, and the pair of second drive wheels 150 and second driven wheels 154 are positioned side by side, spaced apart in the longitudinal direction of the lift frame 88, when viewed in the direction in which the pallet 32 ​​is moved by the first transfer device 56.

[0025] The pallet 32 ​​comprises a pallet board 33 and rails 170 arranged in a grid pattern on the underside of the pallet board 33. The rails 170 include a first horizontal rail 172, a second horizontal rail 174, a first vertical rail 176, and a second vertical rail 178. The first horizontal rail 172 and the second horizontal rail 174 are metal rails with a cross-section that extends horizontally and is approximately "H" shaped. They are fixed to the underside of the pallet board 33, spaced apart in the vertical direction. The first vertical rail 176 and the second vertical rail 178 are metal rails with a cross-section that extends vertically and is approximately "H" shaped. They are fixed to the underside of the pallet board 33, spaced apart in the horizontal direction.

[0026] The first drive wheels 148 and the first driven wheels 152 support the first longitudinal rail 176 of the pallet 32. The second drive wheels 150 and the second driven wheels 154 also support the first longitudinal rail 176 of the pallet 32. By rotating the first drive wheels 148 and the second drive wheels 150 with the first drive motor 164 and the second drive motor 166, the pallet 32 ​​can be moved longitudinally (in the x-direction) via the first longitudinal rail 176 and the second longitudinal rail 178.

[0027] Figure 5 shows the state in which the pallet 32 ​​is tilted relative to the lift frame 88. The mechanical parking system according to the first embodiment is equipped with a pallet stopper on the lift frame 88 as a tilt correction mechanism to correct the tilt of the pallet 32 ​​relative to the lift frame 88. The pallet stopper is sized and shaped to stop the pallet 32.

[0028] In the first embodiment shown in Figure 5, two pallet stoppers (first pallet stopper 50 and second pallet stopper 52) are spaced apart on one longitudinal side of the lift frame 88. Looking in the direction in which the pallet 32 ​​is moved by the first transfer device 56, the first pallet stopper 50 is positioned offset outward (to the left) from the pair of first drive wheels 148 and first driven wheels 152, and the second pallet stopper 52 is positioned offset outward (to the right) from the pair of second drive wheels 150 and second driven wheels 154. With respect to one pair of drive wheels and driven wheels, the direction in which the other pair of drive wheels and driven wheels is located is "inward," and the opposite direction is "outward."

[0029] In another embodiment, when viewed in the direction in which the pallet 32 ​​is moved by the first transfer device 56, the first pallet stopper 50 may be positioned in a position that overlaps with the pair of the first drive wheel 148 and the first driven wheel 152 (indicated by the reference numeral "50a" in Figure 5), and the second pallet stopper 52 may be positioned in a position that overlaps with the pair of the second drive wheel 150 and the second driven wheel 154 (indicated by the reference numeral "52a" in Figure 5).

[0030] Furthermore, if there are three or more sets of drive wheels and driven wheels, the pallet stopper is positioned at a location that overlaps with the outermost set of wheels or at a position offset outward from the outermost set of wheels, when viewed in the direction in which the pallet 32 ​​is moved by the first transfer device 56.

[0031] The accuracy of tilt correction can be improved by positioning the pallet stopper in a location that overlaps with the drive wheel and driven wheel pair, or outside of the drive wheel and driven wheel pair. Furthermore, the accuracy of tilt correction can be improved by positioning two pallet stoppers on one of the long sides of the lift frame 88 compared to positioning them on the short side.

[0032] There may be more than two pallet stoppers. Also, the pallet stoppers do not need to be separate and may be connected. To improve the accuracy of tilt correction, it is desirable that both ends of connected pallet stoppers be positioned in a location that overlaps with the drive wheel and driven wheel pair, or outside the drive wheel and driven wheel pair, when viewed in the direction in which the pallet is moved by the first transfer device 56.

[0033] In the first embodiment, if the pallet 32 ​​is tilted relative to the lift frame 88, the first drive motor 164 and the second drive motor 166 are used to rotate the first drive wheel 148 and the second drive wheel 150 to move the pallet 32, and the pallet 32 ​​is stopped against the first pallet stopper 50 and the second pallet stopper 52. For example, as shown in Figure 5, if the pallet 32 ​​is tilted, when the first drive wheel 148 and the second drive wheel 150 are rotated to move the pallet 32, a part of the pallet 32 ​​first comes into contact with the second pallet stopper 52. If the first drive wheel 148 and the second drive wheel 150 are rotated further in this state, the pallet 32 ​​rotates around the second pallet stopper 52 as a pivot point, and a part of the pallet 32 ​​comes into contact with the first pallet stopper 50. This corrects the tilt of the pallet 32 ​​relative to the lift frame 88. According to the first embodiment, the tilt of the pallet 32 ​​can be corrected before the vehicle 20 passes through the pallet opening 100, thus providing a highly safe mechanical parking system that can prevent damage to the vehicle 20.

[0034] This first embodiment is cost-effective because it only requires adding a pallet stopper to the configuration of a conventional mechanical parking system. Furthermore, in the first embodiment, the pallet 32 ​​is stopped by the pallet stopper, which is advantageous in terms of the stopping accuracy of the pallet 32.

[0035] (Second Embodiment) Figure 6 is a schematic plan view illustrating the correction of the tilt of the pallet 32 ​​in a mechanical parking system according to the second embodiment.

[0036] Figure 6 shows a state in which the pallet 32 ​​is tilted relative to the lift frame 88. The mechanical parking system according to the second embodiment includes a pallet guide mechanism 60 that engages with a rail protruding from the lower surface of the pallet 32 ​​to guide the pallet 32 ​​to a predetermined position, as a tilt correction mechanism to correct the tilt of the pallet 32 ​​relative to the lift frame 88. The predetermined position is a position in which the pallet 32 ​​does not tilt relative to the lift frame 88. In this second embodiment, two pallet guide mechanisms 60 are arranged at diagonal positions on either side of the center of the lift frame 88. In other words, pallet guide mechanisms 60 are arranged at two diagonally opposite corners of the four corners of the lift frame 88.

[0037] Figures 7(a) and 7(b) are schematic side views illustrating the operation of the pallet guide mechanism. Figure 7(a) shows the pallet 32 ​​tilted relative to the lift frame 88. As shown in Figure 7(a), the pallet guide mechanism 60 is provided on the lift frame 88. The pallet guide mechanism 60 is positioned below the first transverse rail 172 and in a position where it can engage with the first transverse rail 172.

[0038] The pallet guide mechanism 60 includes an engaging portion 62 that can engage with the first transverse rail 172 from below, and a lifting portion 68 that raises and lowers the engaging portion 62. The engaging portion includes two rollers 64 and a support 66 that rotatably supports the rollers 64. The two rollers 64 are arranged on the support 66 at a predetermined distance apart. The lifting portion 68 includes a mechanism for moving the engaging portion 62 up and down in the vertical direction. This mechanism is not particularly limited, but may include a power source such as a motor and a gear mechanism that transmits power from the power source.

[0039] In Figure 7(a), the engaging portion 62 is in a lowered position. When the lifting portion 62 is raised by the lifting portion 68, one of the rollers 64 comes into contact with the first transverse rail 172, and as shown in Figure 7(b), the rotation of the roller 64 guides the first transverse rail 172 to the left. That is, the pallet 32 ​​moves to the left. The first transverse rail 172 is locked between the two rollers 64 and stops at a predetermined position. After that, the lifting portion 62 is lowered by the lifting portion 68, and the engagement between the first transverse rail 172 and the engaging portion 62 is released.

[0040] Figures 7(a) and 7(b) illustrate the operation of one pallet guide mechanism 60, but the same operation is performed in the other pallet guide mechanism 60. This allows the tilt of the pallet 32 ​​relative to the lift frame 88 to be corrected. The second embodiment also allows the tilt of the pallet 32 ​​to be corrected before the vehicle 20 passes through the pallet opening 100, thus providing a highly safe mechanical parking system that can prevent damage to the vehicle 20.

[0041] When a pallet 32 ​​is stopped against a pallet stopper, the pallet 32 ​​needs to be moved at a relatively fast speed, and the sound produced when the pallet stopper and the pallet 32 ​​collide tends to be loud. In this second embodiment, no collision sound is produced, which is advantageous in terms of noise reduction.

[0042] In this second embodiment, the tilt of the pallet 32 ​​was corrected using rails on the underside of the pallet 32. However, the tilt of the pallet 32 ​​may also be corrected by providing a structure protruding from the underside of the pallet separately from the rails and guiding this structure with the pallet guide mechanism 60.

[0043] (Third embodiment) Figure 8 is a schematic plan view illustrating the correction of the tilt of the pallet 32 ​​in a mechanical parking system according to the third embodiment.

[0044] Figure 8 shows a state in which the pallet 32 ​​is tilted relative to the lift frame 88. The mechanical parking system according to the second embodiment includes a tilt correction mechanism for correcting the tilt of the pallet 32 ​​relative to the lift frame 88, which includes a pallet stopper provided on the lift frame 88 and a pallet guide mechanism 60 that engages with a rail protruding from the lower surface of the pallet 32 ​​to guide the pallet 32 ​​to a predetermined position.

[0045] In the third embodiment shown in Figure 8, one pallet stopper 80 is positioned approximately in the center of one of the longitudinal sides of the lift frame 88. The pallet stopper is positioned inward from the drive wheels and driven wheels in the longitudinal direction of the lift frame 88. That is, in the longitudinal direction of the lift frame 88, the pallet stopper 80 is positioned to the right of the first drive wheel 148 and the first driven wheel 152, and to the left of the second drive wheel 150 and the second driven wheel 154. The pallet stopper 80 is sized and shaped to stop the pallet 32.

[0046] Furthermore, in the third embodiment shown in Figure 8, a pallet guide mechanism 60 is positioned at one of the four corners of the lift frame 88. The configuration of the pallet guide mechanism 60 is the same as that described in Figures 7(a) and 7(b).

[0047] In the third embodiment, if the pallet 32 ​​is tilted relative to the lift frame 88, the first drive motor 164 and the second drive motor 166 are used to rotate the first drive wheel 148 and the second drive wheel 150 to move the pallet 32 ​​and stop it against the pallet stopper 80. Figure 8 shows the state in which the pallet 32 ​​is stopped against the pallet stopper 80. Then, as described in Figures 7(a) and 7(b), the pallet guide mechanism 60 is driven to guide the pallet 32 ​​to a predetermined position. This corrects the tilt of the pallet 32 ​​relative to the lift frame 88. The third embodiment also corrects the tilt of the pallet 32 ​​before the vehicle 20 passes through the pallet opening 100, thus providing a highly safe mechanical parking system that can prevent damage to the vehicle 20.

[0048] This third embodiment can be described as a combination of the first and second embodiments. In the third embodiment, the pallet 32 ​​is stopped against the pallet stopper 80 only once, and the movement speed required is not as high as when rotating the pallet 32 ​​with one pallet stopper as a pivot point, as in the first embodiment. Therefore, this third embodiment is advantageous in terms of noise reduction compared to the first embodiment. Also, since it is not necessary to stop at a high speed, the strength required of the pallet stopper 80 can be reduced, which is advantageous in terms of cost.

[0049] Furthermore, in the third embodiment, the pallet 32 ​​is stopped by the pallet stopper 80, which is advantageous in terms of the stopping accuracy of the pallet 32 ​​compared to the second embodiment, in which the pallet 32 ​​is not stopped.

[0050] Furthermore, in the third embodiment, since there is only one pallet guide mechanism 60, it is cost-effective compared to the second embodiment, which uses two pallet guide mechanisms 60. In addition, the space occupied by the pallet guide mechanism 60 can be reduced, and the weight of the lift frame 88 can be reduced.

[0051] Any combination of the embodiments and modifications described above is also useful as an embodiment of the present invention. The new embodiments resulting from these combinations possess the combined effects of the respective embodiments and modifications. [Explanation of Symbols]

[0052] 10 Mechanical parking system, 12 Passenger compartment, 32 Pallet, 50 First pallet stopper, 52 Second pallet stopper, 56 First transfer device, 58 Second transfer device, 60 Pallet guide mechanism, 62 Engaging part, 64 Roller, 66 Support, 68 Lifting part, 80 Pallet stopper, 88 Lift frame, 94 Lifting device, 96 Hoistway, 100 Pallet opening, 101 Guide member, 104 Building, 148 First drive wheel, 150 Second drive wheel, 152 First driven wheel, 154 Second driven wheel, 164 First drive motor, 166 Second drive motor, 170 Rail, 172 First transverse rail, 174 Second transverse rail, 176 First longitudinal rail, 178 Second longitudinal rail.

Claims

1. Boarding and alighting compartments, An opening provided on the lower surface of the passenger compartment, A parking area located on a different floor from the aforementioned passenger boarding / alighting area, A hoistway communicating with the passenger compartment and the parking area, The pallet on which the vehicle is loaded, A lift frame on which the pallet is mounted, A lifting device for raising and lowering the lift frame within the elevator shaft, The system includes a tilt correction mechanism for correcting the inclination of the pallet in the horizontal plane relative to the lift frame, A mechanical parking system that prevents interference between the peripheral edge of the opening and the vehicle mounted on the pallet by correcting the inclination of the pallet in the horizontal plane using the correcting mechanism before the vehicle mounted on the pallet passes through the opening from below.

2. A passenger compartment, A parking area located on a different floor from the aforementioned passenger boarding / alighting area, A hoistway communicating with the passenger compartment and the parking area, The pallet on which the vehicle is loaded, A lift frame on which the pallet is mounted, A lifting device for raising and lowering the lift frame within the elevator shaft, A tilt correction mechanism for correcting the inclination of the pallet in the horizontal plane relative to the lift frame, A transfer device for moving the pallet is provided on the lift frame, Equipped with, The tilt correction mechanism includes a pallet stopper provided on the lift frame, A mechanical parking system in which the pallet is moved by the transfer device and the pallet is stopped against the pallet stopper, thereby correcting the inclination of the pallet in the horizontal plane relative to the lift frame.

3. The transfer device is equipped with first wheels and second wheels for moving the pallet. The first and second wheels are positioned side by side, spaced apart in the direction in which the pallet is moved by the transfer device. The pallet stopper includes a first pallet stopper and a second pallet stopper. The mechanical parking system according to claim 2, wherein, with respect to the direction in which the pallet is moved by the transfer device, the first pallet stopper is positioned in a position overlapping with the first wheel or offset outward from the first wheel, and the second pallet stopper is positioned in a position overlapping with the second wheel or offset outward from the second wheel.

4. The tilt correction mechanism is arranged side by side in the longitudinal direction of the lift frame, The mechanical parking system according to claim 3, wherein the first pallet stopper and the second pallet stopper are arranged on the longitudinal side of the lift frame.

5. The pallet includes a pallet board and a structure protruding from the lower surface of the pallet board. The mechanical parking system according to claim 1, wherein the tilt correction mechanism comprises a pallet guide mechanism that engages with the structure to guide the pallet to a predetermined position.

6. The mechanical parking system according to claim 5, wherein the pallet guide mechanism includes an engaging portion that can engage with the structure from below, and a lifting portion that raises and lowers the engaging portion.

7. The mechanical parking system according to claim 5 or 6, wherein the structure is a rail provided on the lower surface of the pallet board.

8. The mechanical parking system according to claim 5 or 6, wherein the tilt correction mechanism includes two pallet guide mechanisms positioned diagonally opposite each other with respect to the center of the lift frame.

9. A passenger compartment, A parking area located on a different floor from the aforementioned passenger boarding / alighting area, A hoistway communicating with the passenger compartment and the parking area, The pallet on which the vehicle is loaded, A lift frame on which the pallet is mounted, A lifting device for raising and lowering the lift frame within the elevator shaft, A tilt correction mechanism for correcting the inclination of the pallet in the horizontal plane relative to the lift frame, A transfer device for moving the pallet is provided on the lift frame, Equipped with, The pallet includes a pallet board and a structure protruding from the lower surface of the pallet board. The tilt correction mechanism includes a pallet stopper provided on the lift frame and a pallet guide mechanism that engages with the structure to guide the pallet to a predetermined position. A mechanical parking system in which the pallet is moved by the transfer device, the pallet is stopped against the pallet stopper, and the pallet is guided by the pallet guide mechanism, thereby correcting the inclination of the pallet in the horizontal plane relative to the lift frame.

10. The mechanical parking system according to claim 9, wherein the tilt correction mechanism includes one pallet stopper and one pallet guide mechanism.

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