Tray drainage system and mechanical parking device using same

Abstract

To provide a drainage system of a tray capable of securely draining water accumulated on an upper surface of the tray in a lower direction of the tray.SOLUTION: A drainage system of a tray is configured to include: a drainage mechanism 20 arranged in a tray 2; a motion part 30 opening the drainage mechanism 20 by acting on the drainage mechanism 20; and water guiding part 40 guiding water from the operation part 30, wherein the drainage mechanism 20 is configured to include a seal part 2C1 arranged on a lower side of an opening 2B passing through a floor of the tray 2 to seal water, and an open / close member 22 opening / closing the seal part 2C1, the motion part 30 is configured to include a motion member 34 opening the seal part 2C1 by moving the open / close member 22 in a direction separating from the seal member 2C1, the motion part 30 is configured to open the seal part 2C1 to drain water accumulated on the tray 2, and the water guiding part 40 is provided in a direction along lifting motion of a drainage part 38 provided on the motion part 30 to guide water from the drainage part 38 to a water storage part 16A.SELECTED DRAWING: Figure 8

Description

[Technical field]

[0001] The present invention relates to a drainage system for a tray and a mechanical parking device using the same. [Background technology]

[0002] Patent Document 1 describes a pallet with a water tank that is supported at both longitudinal ends and on which a vehicle is placed, the pallet having a pair of tire support surfaces that continuously support the left and right tires of the vehicle when the vehicle is loaded or unloaded, the tire support surfaces are formed horizontally and have a number of drainage holes in their longitudinal center through which the tires can pass, the drainage holes penetrating from the top to the bottom of the tire support surface, and further comprising a water tank fixed to the bottom surface of the tire support surface for collecting water that flows down from the drainage holes, the section modulus including the water tank in a cross section passing through the water tank and perpendicular to the longitudinal direction is set to be larger than the section modulus of the portion without the water tank.

[0003] Patent document 2 describes a multi-story parking system having floor panels on which vehicles are placed and which are arranged in a three-dimensional manner, in which drainage holes are provided in the floor panels, the lower opening edge of the drainage hole is a circularly continuing curve or a continuous line which includes some straight lines, and the upper opening edge of the drainage hole is a circular shape based on a curve or a line which includes some straight lines and has some discontinuous parts. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent Publication No. 2019-011579 [Patent Document 2] Patent Publication No. 2017-025665 Summary of the Invention [Problem to be solved by the invention]

[0005] However, the invention described in Patent Document 1 has multiple drainage holes on the tire support surface of the pallet, and a water tank for collecting water flowing down from the drainage holes is provided on the underside of the pallet, so the water tank protrudes from the underside of the pallet, making the height of the pallet larger than that of a pallet without a water tank. Also, rust occurs inside the water tank, which deteriorates significantly over time.

[0006] In addition, the invention described in Patent Document 2 has drainage holes provided in the floorboards and has processed upper and lower opening edges of the drainage holes, so that when there is water on the floorboards, the water constantly flows down from the drainage holes.

[0007] An object of the present invention is to provide a tray drainage system that reliably drains moisture that accumulates on the upper surface of the tray below the tray, and a mechanical parking device using the same. [Means for solving the problem]

[0008] The tray drainage system of the first embodiment is a tray drainage system comprising: a drainage mechanism provided on a tray on which an article is placed; an operating unit that acts on the drainage mechanism to open the drainage mechanism; and a moisture guide unit that guides moisture from the operating unit, wherein the drainage mechanism is provided below an opening that penetrates the floor of the tray, and comprises a sealing unit that seals in moisture, and an opening / closing member that opens and closes the sealing unit, and the operating unit comprises an operating member that moves the opening / closing member in a direction away from the sealing unit to open the sealing unit, and the operating unit opens the sealing unit to drain the moisture that accumulates in the tray, and the moisture guide unit is provided in a direction that follows the rising and lowering movement of a drainage unit provided in the operating unit, and guides the moisture drained from the drainage unit by allowing it to fall naturally to a water storage unit.

[0009] The tray drainage system of the second aspect is the tray drainage system of the first aspect, wherein the drainage mechanism comprises a tubular member provided below the opening, having openings at the top and bottom, and having the sealing portion formed at the top, a support member provided on the tubular member and movably supporting the opening / closing member, a sliding member connected to the opening / closing member and slidably supported by the support member, an actuated member provided on the opposite side of the sliding member from the opening / closing member and subjected to the action of the operating portion, and a biasing member provided between the support member and the actuated member and biasing the opening / closing member in a direction toward contact with the sealing portion.

[0010] The tray drainage system of the third aspect is a tray drainage system of the first or second aspect, in which the operating part has a water tank that is open at the top, and an operating member that is provided inside the water tank and extends toward the actuated member of the drainage mechanism, and moves forward and backward relative to the actuated member.

[0011] A tray drainage system according to a fourth aspect is the tray drainage system according to the third aspect, wherein the water receiving tank provided in the actuation unit has a drainage unit that drains moisture received from the drainage mechanism side.

[0012] A tray drainage system according to a fifth aspect is the tray drainage system according to any one of the first to fourth aspects, in which the operating section is provided in a lifting device that lifts and lowers the tray with the tray placed on it.

[0013] The tray drainage system of the sixth aspect is the tray drainage system of the first aspect, wherein the moisture guide section is arranged in a direction along the lifting and lowering direction of the lifting device, and the drainage section has an open section within which it is allowed to rise and fall.

[0014] The mechanical parking device of the seventh aspect comprises a tray for placing a vehicle, a boarding and alighting room where the vehicle gets on and off the tray, a storage room for storing the tray, a lifting device that connects the boarding and alighting room and the storage room and for placing the tray thereon, and a drainage system for the tray of any one of the first to sixth aspects. Effect of the Invention

[0015] According to the drainage system of the tray of the first aspect, water that accumulates on the tray can be drained more reliably than with a tank or a drain hole.

[0016] The drainage system of the tray according to the second aspect makes it possible to temporarily drain moisture that accumulates on the tray, compared to a tray that simply has holes in it.

[0017] The drainage system of the tray according to the third aspect makes it possible to temporarily drain moisture that accumulates on the tray, compared to a tray that simply has holes in it.

[0018] The tray drainage system according to the fourth aspect allows the water received in the water receiving tank to be drained downstream at a constant rate, compared to a tray having a hole or a tank.

[0019] According to the tray drainage system of the fifth aspect, compared to a system that requires manual operation, the water received in the water receiving tank can be automatically discharged downstream at a constant amount.

[0020] According to the tray drainage system of the sixth embodiment, compared to a tray having a hole or tank, the water received in the water receiving tank 32 can be drained downstream without storing the water along the way.

[0021] According to the mechanical parking device of the seventh aspect, moisture brought onto the tray by the vehicle can be drained from the tray to the downstream side at an appropriate timing. The moisture includes rainwater, meltwater from snow and ice, as well as water continuously drained by the drainage system of a fuel cell vehicle (FCV), and this moisture can be drained reliably. [Brief description of the drawings]

[0022] [Figure 1] FIG. 2 is a plan view showing the entire tray according to the first embodiment. [Diagram 2] 4 is a side cross-sectional view showing a drainage mechanism of the tray according to the first embodiment and a water receiving portion that opens and closes the drainage mechanism. FIG. [Diagram 3] 1 is a side cross-sectional view showing a state in which a drainage mechanism of the tray according to the first embodiment is opened by a water receiving portion. FIG. [Figure 4] 4 is a plan view showing the relationship between the water receiving portion and the drainage gutter according to the first embodiment. FIG. [Diagram 5] 3 is a side cross-sectional view of the drainage mechanism of the tray shown in FIG. 2 and the water receiving portion that opens and closes the drainage mechanism, viewed from a different angle. [Figure 6] 4 is a perspective view showing the relationship between a drain pipe of the water receiving portion and a drain gutter according to the first embodiment. FIG. [Figure 7] 4 is a plan view showing the relationship between the drain pipe, drain gutter, and lift of the water receiving portion in the first embodiment. FIG. [Figure 8] 1 is a side view showing a state in which a tray according to a first embodiment is placed on a lift and the lift rises and falls. FIG. [Figure 9] A side view showing the state in which moisture discharged from the drain pipe is guided into the drain gutter and flows down when the tray in the first embodiment is placed on a lift and descending. [Figure 10] This is a side view showing the state in which the tray of the first embodiment is placed on a lift and lowered, the tray is supported at the lower level L3, and moisture accumulated in the water receiving section is drained from the drainage gutter via the drainage member to the boiler area of ​​the lift pit. [Figure 11] 13 is a side view showing a state in which a tray according to a second embodiment is supported at a landing level L1 and a lift approaches the tray from below. FIG. [Figure 12] A side view showing the state in which a tray according to the second embodiment is placed on a lift, the water receiving portion opens the tray's drainage mechanism to receive moisture, and the moisture is drained into a drainage gutter. [Figure 13] A side cross-sectional view showing the entire mechanical parking device of the first embodiment. [Figure 14] FIG. 11 is a plan view showing the entire tray according to the third embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] An example of a tray drainage system according to this embodiment and a mechanical parking device using the same will be described with reference to the drawings. Note that the arrow W shown in the drawing indicates the device width direction, the arrow D indicates the device depth direction, and the arrow H indicates the device height direction. The device width direction W is sometimes referred to as the "short side direction of the tray", the device depth direction D is sometimes referred to as the "longitudinal direction of the tray", the direction along the device height direction H is sometimes referred to as the "up-down direction", the direction of the device height direction H is sometimes referred to as the "upper" or "upper part", the direction opposite the device height direction H is sometimes referred to as the "lower" or "lower part", and the view from the device height direction H side is sometimes referred to as the "plan view".

[0024] In addition, the moisture in the present embodiment refers to water only, water containing dust, water that is formed by melting ice and snow and contains ice particles and the like in part, and the like.

[0025] [First embodiment] <Basic configuration of tray drainage system> FIG. 1 is a plan view showing the entire tray 2. The tray 2 is rectangular in plan view, and a water-stopping member 2A is provided around the rectangular tray 2 to prevent moisture on the tray 2 from flowing down outside the tray 2. The water-stopping member 2A only needs to have a height and width sufficient to block the moisture on the tray 2, and in this embodiment, a round steel bar with a diameter of 19 mm is used. The upper surface of the tray 2 has a flat upper plate, and an opening 2B is provided at one location on a part of the upper plate of the tray 2, penetrating the upper plate in the vertical direction at a position where a drainage mechanism 20 described later is provided. From the periphery of the tray 2 toward the opening 2B, the flat tray 2 has a water gradient toward the side opposite to the device height direction H as a whole, and has a shape that collects moisture toward the drainage mechanism 20.

[0026] <Main components> FIG. 2 is a side cross-sectional view showing the drainage mechanism 20 of the tray 2 and the water receiving portion 30 that opens and closes the drainage mechanism 20. As shown in FIG.

[0027] [Drainage mechanism] 2, the drainage mechanism 20 includes a cylindrical member 2C provided below the opening 2B of the tray 2, having openings at the top and bottom, and having a sealing portion 2C1 formed at the top, a support member 2D provided on the cylindrical member 2C and movably supporting the opening / closing member 22, a sliding member 24 connected to the opening / closing member 22 and slidably supported by the support member 2D, an actuated member 26 provided on the opposite side of the opening / closing member 22 of the sliding member 24 and acting on a water receiving portion 30 described later, and a coil spring 28 provided between the support member 2D and the actuated member 26 and biasing the opening / closing member 22 in a direction to contact the sealing portion 2C1. Here, the water receiving portion 30 is an example of an actuating portion, the support member 2D is an example of a supporting portion, and the coil spring 28 is an example of a biasing member.

[0028] (Cylindrical member) 2, in this embodiment, the tubular member 2C is watertightly fixed to the lower part of the spacer 2E which is watertightly fixed around the periphery of the lower part of the opening 2B provided in the tray 2. The tubular member 2C is a cylindrical member as a whole, and has a sealing part 2C1 with an inclined surface formed in an upwardly opening shape at the upper part of the tubular member 2C, the central part in the vertical direction of the tubular member 2C is formed to have the same diameter, the lower side of the central part is expanded in diameter with an inclined surface in a shape that opens downwardly, and the part below the expanded diameter part extends downward while maintaining the expanded diameter.

[0029] Furthermore, a support member 2D is fixed inside the cylindrical member 2C at the vertical center of the cylindrical member 2C, for vertically slidably supporting a sliding member 24 (described later) fixed to an opening / closing member 22 (described later). In this embodiment, a cylindrical pipe is used as the support member 2D, and the support member 2D is fixed to a position where the sliding member 24 can be slidably supported by using a bracket fixed to the inner surface of the cylindrical member 2C, and supports the columnar sliding member 24.

[0030] (Opening and closing parts) 2, the opening / closing member 22 has a sliding member 24 fixed to the underside of the opening / closing member 22, extending in the vertical direction and having a predetermined dimension, and an actuated member 26 fixed to the lower part of the sliding member 24 and acting on an actuating member 34 provided in the water receiving part 30 described later. In this embodiment, the opening / closing member 22 is a disk-shaped member having a size and thickness for water-tightly sealing the sealing part 2C1 formed on the upper part of the tubular member 2C, and the circumferential part of this member has an inclined surface whose diameter tapers downward at an angle matching the inclination angle of the sealing part 2C1. The opening / closing member 22 is made of a resin material such as rubber.

[0031] (coil spring) 2 and 3, the coil spring 28 is provided between the support member 2D and the actuated member 26, and biases the opening / closing member 22 in a direction to contact the sealing portion 2C1. In this embodiment, the coil spring 28 is provided to be inserted into a sliding member 24 that connects the support member 2D provided on the cylindrical member 2C, the opening / closing member 22, and the actuated member 26, and biases the opening / closing member 22 downward in the device height direction H, i.e., toward the sealing portion 2C1.

[0032] Figure 2 is a side cross-sectional view showing the drainage mechanism 20 of tray 2 and the water receiving part 30 that opens and closes the drainage mechanism 20, Figure 4 is a plan view showing an overview of the water receiving part, and Figure 5 is a side cross-sectional view of the drainage mechanism of tray 2 and the water receiving part that opens and closes the drainage mechanism shown in Figure 2, viewed from a different angle.

[0033] [Water receiving part (operating part)] 2, 4, and 5, the water receiving section 30 has a water receiving tank 32 that is open upward, and an actuating member 34 that is provided inside the water receiving tank 32 and extends toward the actuated member 26 of the drainage mechanism 20, and moves forward and backward relative to the actuated member 26. The water receiving tank 32 provided in the water receiving section 30 also has a drainage hole 32A that drains the moisture received from the drainage mechanism 20 side. Here, the water receiving tank 32 is an example of a water receiving tank, and the drainage hole 32A is an example of a drainage section that is configured together with a drainage pipe 38 described later.

[0034] In this embodiment, the water receiving section 30 is provided in the lifting / lowering section 18. Specifically, the water receiving section 30 is provided on the upper part of the lifting / lowering section 18 and is configured to include a frame material 36 provided via a spacer 36B, a receiving material 36A fixed to the vertical middle part of the frame material 36, a water receiving tank 32 provided above the receiving material 36A and having an opening at the top, an operating member 34 provided inside the water receiving tank 32 and protruding above the opening of the water receiving tank 32, and a tip 34A provided on the upper part of the operating member 34 and protruding upward. Here, the lifting / lowering section 18 is an example of a lifting device.

[0035] A drain hole 32A is opened in the bottom of the water receiving tank 32, and a drain pipe 38 is connected to the drain hole 32A via an elbow pipe. The configuration of the downstream side of the drain pipe 38 will be described later. Here, the drain pipe 38 is one example of a drainage section configured together with the drain hole 32A.

[0036] [Drainage gutter] 4, 6, and 7, the drain gutter 40 is provided in a direction along the upward and downward movement of the drain pipe 38 provided in the water receiving section 30, and guides the water drained from the drain pipe 38 to the boiler room 16A by allowing it to fall naturally. Here, the drain gutter 40 is an example of a water guide section, and the boiler room 16A is an example of a water storage section.

[0037] 6, the drainage gutter 40 is disposed in a direction along the lifting direction of the lifting device 18, and has an open section 40D in which the drainage pipe 38 is allowed to move up and down. Specifically, the drainage gutter 40 has a first induction section 40A that faces closely to the drain outlet 38A of the drainage pipe 38 in a plan view and receives and guides downward water discharged from the drainage pipe 38, second induction sections 40B, 40B formed by continuously bending inward from both ends of the first induction section 40A to prevent water from scattering to the surroundings, third induction sections 40C, 40C formed by continuously bending inward from the ends of the second induction sections 40B, 40B opposite the first induction section 40A, and an open section 40D where these two third induction sections 40C, 40C face each other with a gap therebetween.

[0038] 7, the drain gutter 40 is installed on a cross beam 18D that connects two lift columns 18A, 18A that extend in the vertical direction at a distance in the device depth direction D, in a direction that allows the opening 40 to move the drain pipe 38 in the vertical direction. A plurality of cross beams 18D are arranged in the vertical direction to connect the lift columns 18A, 18A, and the drain gutter 40 is fixed to these multiple cross beams 18D.

[0039] The drain pipe 38 moves up and down inside the drain gutter 40 with the drain outlet 38A facing closely to the first guide portion 40A.

[0040] <Function of main parts> FIG. 3 shows the operation of the main parts, in which the drainage mechanism 20 of the tray 2 is opened by the water receiving portion 30.

[0041] Fig. 2 shows a state in which the drainage mechanism 20 and the water receiving portion 30 of the tray 2 are vertically separated, but in the state shown in Fig. 2, when moisture is brought to the upper portion of the tray 2 by an article placed on the upper portion of the tray 2, the moisture gathers at the position of the drainage mechanism 20, and the moisture accumulates at the upper portion of the tray 2. Fig. 2 does not show the moisture accumulating at the upper portion of the tray 2. In this state, the water receiving portion 30 rises in the direction of arrow A, that is, in the direction along the device height direction H from below toward the landing position L1 of the tray 2 relative to the drainage mechanism 20 provided on the tray 2.

[0042] As shown in Fig. 3, when the water receiving portion 30 is raised by the lifting portion 18, the water receiving portion 30 comes into contact with the drainage mechanism 20 provided on the tray 2. Specifically, the tip 34A of the operating member 34 protruding from inside the water receiving tank 32 of the water receiving portion 30 pushes up the actuated member 26 of the drainage mechanism 20 against the biasing force of the coil spring 28. The opening / closing member 22 provided on the actuated member 26 via the sliding member 24 is pushed upward from the sealing portion 2C1 of the tubular member 2C provided on the tray 2, opening the sealing portion 2C1. As a result, moisture that has accumulated around the drainage mechanism 20 in the upper part of the tray 2 passes through the inside of the tubular member 2C and flows down into the water receiving tank 32 of the water receiving portion 30, and then passes through the drainage hole 32A provided in the water receiving tank 32 and flows down into the drainage pipe 38.

[0043] As shown in FIG. 4, in the water receiving tank 32, drainage hole 32A that opens into the bottom of the water receiving tank 32 is provided in part of the bottom. Therefore, if the amount of moisture from the tray 2 is large, some of the moisture will accumulate in the water receiving tank 32 and gradually all of the moisture will flow down through drainage hole 32A, but if the amount of moisture from the tray 2 is not large, the moisture will not accumulate in the water receiving tank 32, but will pass through drainage hole 32A and flow down into the drainage pipe 38.

[0044] Here, the lifting unit 18 which lifts the water receiving unit 30 may be raised and lowered using various mechanisms capable of achieving lifting and lowering operations, such as a link mechanism, a cam mechanism, etc., using, for example, an electric motor or a hydraulic device. In this embodiment, the operation of the main parts will be specifically described using an example used in a mechanical parking device 1 as an example.

[0045] <Configuration of mechanical parking device> 13 shows a mechanical parking device 1. It is configured to include a tray 2 on which a vehicle 4 is placed, a boarding / deboarding room 12 where the vehicle 4 gets on and off the tray 2, a storage room 14 that stores the tray 2, and a lift 18 that connects the boarding / deboarding room 12 and the storage room 14 and places the tray 2 on. Specifically, the mechanical parking device 1 is configured by a building framework 10, including the boarding / deboarding room 12 where the vehicle 4 moves forward and backward at the landing position L1 of the tray 2, and the storage room 14 in which a storage device 14A that stores and parks the vehicle 4 is installed.

[0046] In the boarding / disembarking room 12, an opening 12B is formed in the floor so that the tray 2 can pass through, and the wall of the framework 10 is opened to form an entrance / exit 12A so that the vehicle 4 can advance and retreat, and an entrance / exit door (not shown) is installed at the entrance / exit 12A so that it can be opened and closed. A tray support device (not shown) that can advance and retreat with respect to the tray 2 located in the opening 12B is provided at the opening 12B so that the tray 2 can be supported or raised and lowered to the landing position L1.

[0047] In this embodiment, a storage device 14A formed in two levels, upper and lower, is installed on the body 10 in the storage room 14. Fig. 13 shows an example in which the level of the storage device 14A for storing vehicles 4 is the upper level L2, the level of the upper surface of the tray 2 in the upper level is the lower level L3, and the upper level L2 and the lower level L3 are separated vertically by a predetermined height dimension. The storage device 14A may be any type of storage device that uses trays, such as a puzzle-type flat circulation type, a horizontal circulation type, a box-type circulation type, or a circular circulation type.

[0048] The lift 18 connects the boarding / deboarding room 12 and the storage room 14, and raises and lowers the tray 2 placed thereon in response to the entrance or exit of the vehicle 4. In this embodiment, a lift pit 16 is formed below the boarding / deboarding room 12 in the storage room 14, and a lift column 18A is installed along the device height direction H from the lift pit 16 to the opening 12B of the boarding / deboarding room 12, and the lift 18 is provided on the lift column 18A so as to be able to rise and fall. The lift column 18A is supported by a support member 18B on the body 10 on the side opposite to the storage device 14A. In Figure 13, a tray 2 without a vehicle 4 placed on it is shown by virtual lines at the landing level L1 of the boarding / disembarking compartment 12, a tray 2 without a vehicle 4 placed on it is shown on the upper level of the storage device 14A, i.e., the upper level L2, and a tray 2 with a vehicle 4 placed on it is shown on the lower level of the storage device 14A, i.e., the lower level L3, and one tray 2 is raised and lowered in response to the entry or exit of a vehicle 4 into or out of the storage.

[0049] [Water receiving part (operating part) in mechanical parking system] 2, the water receiving part 30 has a water receiving tank 32 that is open at the top, and an actuating member 34 that is provided inside the water receiving tank 32 and extends toward the actuated member 26 of the drainage mechanism 20, and moves forward and backward relative to the actuated member 26. In addition, the water receiving tank 32 provided in the water receiving part 30 has a drainage hole 32A that drains the moisture received from the drainage mechanism 20 side.

[0050] As shown in Fig. 8, in this embodiment, the water receiving part 30 is provided on the lift 18, which is the lifting part. Specifically, the water receiving part 30 is provided on the upper part of the intermediate material 18C1 that constitutes part of the frame body 18C, which is the upper structure of the lift 18 (see also Fig. 7). The configuration of the water receiving part 30 is similar to that described above, so a description thereof will be omitted (see Figs. 2 and 3). Here, the lift 18 is an example of a lifting device.

[0051] 2 and 3, a drain pipe 38 is connected via an elbow pipe to a drain hole 32A that opens at the bottom of the water receiving tank 32. The water receiving tank 32 and the drain pipe 38 are similar in configuration to those described above, so a description thereof will be omitted.

[0052] (Kamaba) As shown in Figure 10, the boiler room 16A is a hole dug lower than the bottom surface of the lift pit 16, and temporarily stores the water drained from the drainage gutter 40. A drainage pump (not shown) is installed in the boiler room 16A, and when a certain amount of water has accumulated in the boiler room 16A, the drainage pump discharges the accumulated water to the outside.

[0053] <Drainage operation in the mechanical parking device of the first embodiment> The drainage operation of water accumulated in the tray 2 in the mechanical parking device 1 of the first embodiment will be described with reference to FIGS. 2, 3, and 8 to 10. FIG.

[0054] As shown in Fig. 8, the tray 2 is placed on the lift 18 and is positioned and stopped at the landing level L1 in the opening 12B. The tray 2 may be empty or may have a vehicle 4 placed on it, but Fig. 8 shows the tray 2 in an empty state with no vehicle 4 placed on it. Although not shown, a certain amount of moisture has accumulated on the upper surface of the tray 2.

[0055] The drainage mechanism 20 provided on the tray 2 has the opening / closing member 22 in an open state relative to the sealing portion 2C1, and water is drained into the water receiving tank 32 of the water receiving part 30 (see FIG. 3). The water receiving part 30 installed on the lift 18 opens the drainage mechanism 20 of the tray 2 to receive water, and the water received in the water receiving tank 32 of the water receiving part 30 is guided to the drainage gutter 40 via the drainage pipe 38.

[0056] Specifically, the tip 34A of the operating member 34 protruding from inside the water receiving tank 32 of the water receiving section 30 pushes up the operated member 26 of the drainage mechanism 20 against the biasing force of the coil spring 28. The opening / closing member 22 provided on the operated member 26 via the sliding member 24 is pushed up from the sealing portion 2C1 of the tubular member 2C provided on the tray 2, opening the sealing portion 2C1. As a result, moisture that accumulates around the drainage mechanism 20 in the upper part of the tray 2 passes through the inside of the tubular member 2C and flows down into the water receiving tank 32 of the water receiving section 30, and then passes through the drain hole 32A provided in the water receiving tank 32 and flows down into the drainage pipe 38 (see FIG. 3). The moisture that flows down the drainage pipe 38 flows down into the drainage gutter 40.

[0057] Next, when the lift 18 descends along the lift column 18A in the direction of the arrow B shown in Fig. 8, the lift 18 descends in the direction of the arrow B shown in Fig. 9. In this state, if the amount of moisture stored in the tray 2 is large, the opening / closing member 22 of the drainage mechanism 20 is in an open state separated from the sealed portion 2C1 by the operating member 34 provided in the water receiving tank 32, so that the moisture on the tray 2 is continuously drained into the drainage gutter 40 via the water receiving portion 30. On the other hand, if the amount of moisture stored in the tray 2 is small, the opening / closing member 22 of the drainage mechanism 20 remains in an open state separated from the sealed portion 2C1 by the operating member 34 provided in the water receiving tank 32, and drainage of moisture from the tray 2 is terminated, the water receiving tank 32 becomes empty, and no moisture flows down into the drainage gutter 40.

[0058] As shown in Fig. 9, the lift 18 leaves the landing level L1 of the tray 2 and descends in the direction of the arrow B, continuing to descend in the state before stopping at the upper level L2 of the storage device 14A. When the lift 18 stops at the upper level L2 of the storage device 14A, the tray 2 together with the mounting member 19 is located slightly above the frame body 18C of the lift 18, and the drainage mechanism 20 of the tray 2 and the water receiving part 30 of the lift 18 are separated (see Fig. 2), although this is not shown in the figure. Specifically, within the lifting range of the mounting member 19, a receiving member (not shown) protrudes so as to be able to support the mounting member 19, and the mounting member 19 is supported by the receiving member (not shown) while being supported on the lift 18, and rises above the frame body 18C, the tray 2 is stopped at the upper level L2, and the lift 18 is also stopped. At this time, the upper surface of the mounting member 19 is at the same level as the upper surface of the rail of the upper level L2 of the storage device 14A, and the tray 2 is allowed to move between the lift 18 and the storage device 14A. In this state, the drainage mechanism 20 provided on the tray 2 and the water receiving portion 30 provided on the lift 18 are separated, whereby the opening / closing member 22 of the drainage mechanism 20 provided on the tray 2 comes into watertight contact with the sealing portion 2C1 to enter a sealed state and seal the opening 12B (see FIG. 2). Since the drainage mechanism 20 and the water receiving portion 30 are separated from each other, the tray 2 is allowed to move between the lift 18 and the storage device 14A.

[0059] Next, the state in which the moisture that has flowed down the drainage gutter 40 is drained will be described. Figure 10 shows the state in which the tray 2 is placed on the lift 18 and lowered so that the tray 2 is supported on the lower level L3, and the moisture that has flowed down the drainage gutter 40 is drained into the boiler area 16A of the lift pit 16.

[0060] FIG. 10 shows the lift 18 in a state immediately before the tray 2 descends to the lower level L3 of the storage device 14A and stops. Although not shown, the tray 2 is located slightly above the frame body 18C of the lift 18 together with the mounting member 19, and the drainage mechanism 20 of the tray 2 and the water receiving portion 30 of the lift 18 are separated (see FIG. 2). Specifically, in the lifting range of the mounting member 19, a receiving member (not shown) protrudes so as to be able to support the mounting member 19, and the mounting member 19 is supported by the receiving member (not shown) while being supported on the lift 18, and rises above the frame body 18C, the tray 2 stops at the lower level L3, and the lift 18 is also stopped. At this time, the upper surface of the mounting member 19 is at the same level as the upper surface of the rail of the lower level L3 of the storage device 14A, and the tray 2 is made movable between the lift 18 and the storage device 14A. In this state, the drainage mechanism 20 provided on the tray 2 and the water receiving portion 30 provided on the lift 18 are separated, whereby the opening / closing member 22 of the drainage mechanism 20 provided on the tray 2 comes into watertight contact with the sealing portion 2C1 to enter a sealed state and seal the opening 12B. Because the drainage mechanism 20 and the water receiving portion 30 are separated from each other, the tray 2 is permitted to move between the lift 18 and the storage device 14A.

[0061] The water that flows down the drainage gutter 40 flows down through drainage member 44 connected to a connection part 42 disposed below the drainage gutter 40, and is stored in the boiler room 16A provided in the lift pit 16. The water stored in the boiler room 16A is discharged to the outside by a drainage pump (not shown).

[0062] When the water is drained into the boiler tank 16A of the lift pit 16 at the lower level L3 shown in FIG. 10, the water receiving tank 32 of the water receiving section 30 becomes empty. After that, when the lift 18 is raised in the direction of the arrow A shown in FIG. 10, the mounting member 19 descends to the side of the frame body 18C of the lift 18, and as shown in FIG. 3, the operating member 34 of the water receiving section 30 provided on the lift 18 moves the opening / closing member 22 of the drainage mechanism 20 provided on the tray 2 in a direction away from the sealing portion 2C1 to open the sealing portion 2C1. FIG. 10 shows this open state. Then, in order to allow the next vehicle 4 to enter or leave the warehouse, the mounting member 19 rises to the upper level L2 or passes through the upper level L2 and stops at the landing level L1. At this time, the receiving member (not shown) that protrudes into the lifting range of the mounting member 19 is retreated to a position that does not protrude into the lifting range. During this time, the drainage mechanism 20 provided on the tray 2 is kept in an open state, so that moisture that has accumulated on the tray 2 while it is stored in the storage device 14A, or moisture that is brought in by the vehicle 4 during the next entry and exit, is reliably drained from the tray 2.

[0063] <Drainage operation in the mechanical parking device of the second embodiment> 11 shows a second embodiment in which a lift 18 having a water receiving portion 30 approaches a tray 2. The second embodiment shows a type in which a special turntable (not shown) is arranged on the floor of the boarding / deboarding room 12, or a so-called seismically isolated boarding / deboarding room 12 in which the boarding / deboarding room 12 and the storage room 14 are separated in the vertical direction by a seismic isolation device. In the case of a type in which a special turntable is arranged on the floor of the boarding / deboarding room 12, the opening 12B is provided in the special turntable rather than in the structure 10.

[0064] As shown in Fig. 11, the tray 2 is supported by a tray support device (not shown) provided in the opening 12B. The lift 18 is supported by a lift column 18A and rises in the direction of arrow A. The tray 2 may be empty or may have a vehicle 4 placed thereon. Although not shown, a certain amount of moisture accumulates on the upper surface of the tray 2. The drainage mechanism 20 provided on the tray 2 is in a sealed state with the opening / closing member 22 in contact with the sealing portion 2C1 (see Fig. 2).

[0065] FIG. 12 shows a state in which the tray 2 is placed on the lift 18 and the water receiving section 30 opens the drainage mechanism 20 of the tray 2 to receive moisture. Specifically, the tip 34A of the operating member 34 protruding from inside the water receiving tank 32 of the water receiving section 30 pushes up the operated member 26 of the drainage mechanism 20 against the biasing force of the coil spring 28. The opening / closing member 22 provided on the operated member 26 via the sliding member 24 is pushed up from the sealing portion 2C1 of the tubular member 2C provided on the tray 2 to open the sealing portion 2C1. As a result, moisture that is accumulated around the drainage mechanism 20 at the top of the tray 2 passes through the inside of the tubular member 2C and flows down into the water receiving tank 32 of the water receiving section 30, and then passes through the drainage hole 32A provided in the water receiving tank 32 and flows down into the drainage pipe 38 (see FIG. 3). The moisture that flows down the drainage pipe 38 flows down into the drainage gutter 40.

[0066] Next, the lift 18 lifts the tray 2 above the landing level L1 and stops. In this state, the tray support device (not shown) retracts from the tray 2, and the lift 18 descends in the direction of arrow B.

[0067] The subsequent operations are the same as those in the first embodiment, and will be described with reference to FIGS. 9 and 10 which explain the operations in the first embodiment.

[0068] As shown in Fig. 9, the lift 18 leaves the landing level L1 of the tray 2 and descends in the direction of the arrow B, continuing to descend in the state before stopping at the upper level L2 of the storage device 14A. When the lift 18 stops at the upper level L2 of the storage device 14A, the tray 2 together with the mounting member 19 is located slightly above the frame body 18C of the lift 18, and the drainage mechanism 20 of the tray 2 and the water receiving part 30 of the lift 18 are separated (see Fig. 2), although this is not shown in the figure. Specifically, within the lifting range of the mounting member 19, a receiving member (not shown) protrudes so as to be able to support the mounting member 19, and the mounting member 19 is supported by the receiving member (not shown) while being supported on the lift 18, and rises above the frame body 18C, the tray 2 is stopped at the upper level L2, and the lift 18 is also stopped. At this time, the upper surface of the mounting member 19 is at the same level as the upper surface of the rail of the upper level L2 of the storage device 14A, and the tray 2 is allowed to move between the lift 18 and the storage device 14A. In this state, the drainage mechanism 20 provided on the tray 2 and the water receiving portion 30 provided on the lift 18 are separated, whereby the opening / closing member 22 of the drainage mechanism 20 provided on the tray 2 comes into watertight contact with the sealing portion 2C1 to enter a sealed state and seal the opening 12B (see FIG. 2). Since the drainage mechanism 20 and the water receiving portion 30 are separated from each other, the tray 2 is allowed to move between the lift 18 and the storage device 14A.

[0069] Next, the state in which the moisture that has flowed down the drainage gutter 40 is drained will be described. Figure 10 shows the state in which the tray 2 is placed on the lift 18 and lowered so that the tray 2 is supported on the lower level L3, and the moisture that has flowed down the drainage gutter 40 is drained into the boiler area 16A of the lift pit 16.

[0070] FIG. 10 shows the lift 18 in a state immediately before the tray 2 descends to the lower level L3 of the storage device 14A and stops. Although not shown, the tray 2 is located slightly above the frame body 18C of the lift 18 together with the mounting member 19, and the drainage mechanism 20 of the tray 2 and the water receiving portion 30 of the lift 18 are separated (see FIG. 2). Specifically, in the lifting range of the mounting member 19, a receiving member (not shown) protrudes so as to be able to support the mounting member 19, and the mounting member 19 is supported by the receiving member (not shown) while being supported on the lift 18, and rises above the frame body 18C, the tray 2 stops at the lower level L3, and the lift 18 is also stopped. At this time, the upper surface of the mounting member 19 is at the same level as the upper surface of the rail of the lower level L3 of the storage device 14A, and the tray 2 is made movable between the lift 18 and the storage device 14A. In this state, the drainage mechanism 20 provided on the tray 2 and the water receiving portion 30 provided on the lift 18 are separated, whereby the opening / closing member 22 of the drainage mechanism 20 provided on the tray 2 comes into watertight contact with the sealing portion 2C1 to enter a sealed state and seal the opening 12B. Because the drainage mechanism 20 and the water receiving portion 30 are separated from each other, the tray 2 is permitted to move between the lift 18 and the storage device 14A.

[0071] The water that flows down the drainage gutter 40 flows down through drainage member 44 connected to a connection part 42 disposed below the drainage gutter 40, and is stored in the boiler room 16A provided in the lift pit 16. The water stored in the boiler room 16A is discharged to the outside by a drainage pump (not shown).

[0072] When the water is drained into the boiler tank 16A of the lift pit 16 at the lower level L3 shown in FIG. 10, the water receiving tank 32 of the water receiving section 30 becomes empty. After that, when the lift 18 is raised in the direction of the arrow A shown in FIG. 10, the mounting member 19 descends to the side of the frame body 18C of the lift 18, and as shown in FIG. 3, the operating member 34 of the water receiving section 30 provided on the lift 18 moves the opening / closing member 22 of the drainage mechanism 20 provided on the tray 2 in a direction away from the sealing portion 2C1 to open the sealing portion 2C1. FIG. 10 shows this open state. Then, in order to allow the next vehicle 4 to enter or leave the warehouse, the mounting member 19 rises to the upper level L2 or passes through the upper level L2 and stops at the landing level L1. At this time, the receiving member (not shown) that protrudes into the lifting range of the mounting member 19 is retreated to a position that does not protrude into the lifting range. During this time, the drainage mechanism 20 provided on the tray 2 is kept in an open state, so that moisture that has accumulated on the tray 2 while it is stored in the storage device 14A, or moisture that is brought in by the vehicle 4 during the next entry and exit, is reliably drained from the tray 2.

[0073] <Third embodiment> Next, a third embodiment will be described with reference to FIG. The drainage system for the tray according to the third embodiment has a different configuration from that of the first embodiment in that a plurality of drainage mechanisms 20 are provided in the tray 2.

[0074] [Drainage mechanism] In this embodiment, two drainage mechanisms 20 are provided at a distance from each other in the center of the longitudinal direction of the tray 2 along the lateral direction of the tray 2. The position of the drainage mechanism 20 is not limited thereto, and may be any position as long as it can be aligned with the position of the water receiving portion 30 provided below the tray 2.

[0075] In this embodiment, by providing two drainage mechanisms 20, two water receiving parts 30 are also provided below the tray 2. When this is applied to the lift 18 of the mechanical parking device 1, the water receiving parts 30, the drainage gutter 40, and the boiler 16A may be provided in two separate systems, or two water receiving parts 30 may be provided, and two drainage pipes 38 from the two water receiving parts 30 may be led to one drainage gutter 40, with one drainage gutter 40 and one boiler 16A each, forming one system from the middle of the drainage system, or the water receiving tank 32 of the water receiving part 30 may be sized to correspond to the two drainage mechanisms 20, and the water receiving part 30, the drainage gutter 40, and the boiler 16A each may be formed into one system.

[0076] As described above in detail, the drainage system for a tray according to the present invention is a drainage system for a tray 2 comprising a drainage mechanism 20 provided on the tray 2 on which articles are placed, a water receiving portion 30 which acts on the drainage mechanism 20 to open the drainage mechanism 20, and a drainage gutter 40 which guides moisture from the water receiving portion 30. The drainage mechanism 20 is provided below the opening 2B penetrating the floor of the tray 2, and comprises a sealing portion 2C1 which seals in moisture, and an opening / closing member 22 which opens and closes the sealing portion 2C1. The water receiving portion 30 comprises an operating member 34 which moves the opening / closing member 22 in a direction away from the sealing portion 2C1 to open the sealing portion 2C1, and the water receiving portion 30 opens the sealing portion 2C1 to drain moisture accumulated in the tray 2. The drainage gutter 40 is provided in a direction following the upward and downward movement of the drainage pipe 38 provided on the water receiving portion 30, and guides the moisture drained from the drainage pipe 38 by allowing it to fall naturally to the boiler room 16A.

[0077] This allows moisture that accumulates on the tray 2 to be drained more reliably than with a tank or drain hole.

[0078] In addition, the drainage system of the tray according to the present invention has a drainage mechanism 20 which is provided below the opening 2B, has openings at the top and bottom, and has a sealing portion 2C1 formed at the top, a support member 2D provided on the tubular member 2C and movably supporting the opening / closing member 22, a sliding member 24 connected to the opening / closing member 22 and slidably supported by the support member 2D, an actuated member 26 which is provided on the opposite side of the sliding member 24 to the opening / closing member 22 and is acted upon by the water receiving portion 30, and a coil spring 28 which is provided between the support member 2D and the actuated member 26 and urges the opening / closing member 22 in a direction to contact the sealing portion 2C1.

[0079] This allows moisture that accumulates on the tray 2 to be temporarily drained, as compared to a tray that simply has holes in it.

[0080] In addition, in the tray drainage system of the present invention, the water receiving section 30 has a water receiving tank 32 that is open at the top, and an actuating member 34 that is provided inside the water receiving tank 32 and extends toward the actuated member 26 of the drainage mechanism 20, and moves forward and backward relative to the actuated member 26.

[0081] This allows moisture that accumulates on the tray 2 to be temporarily drained, as compared to a tray that simply has holes in it.

[0082] In addition, in the drainage system of the tray according to the present invention, the water receiving tank 32 provided in the water receiving portion 30 has the drainage hole 32A and the drainage pipe 38 for draining the moisture received from the drainage mechanism 20 side.

[0083] This allows the water received in the water receiving tank 32 to be discharged downstream at a constant rate, as compared to a tray having holes or a tank.

[0084] In addition, in the tray drainage system according to the present invention, the water receiving portion 30 is provided on the lift portion 18 or the lift 18 on which the tray 2 is placed and raised and lowered.

[0085] This allows the water received in the water receiving portion 30 to be automatically drained downstream at a constant amount, as compared to a type that requires manual operation.

[0086] In addition, in the tray drainage system according to the present invention, the drainage gutter 40 is arranged in a direction along the lifting direction of the lifting device 18, and has an opening 40D inside which the drainage pipe 38 is allowed to rise and fall.

[0087] This allows the water received by the water receiving tank 32 to be drained downstream without being stored in the middle, as compared to a tray having holes or a tank.

[0088] In addition, the mechanical parking device of the present invention comprises a tray 2 for placing a vehicle 4, a boarding and alighting room 12 where the vehicle 4 gets on and off the tray 2, a storage room 14 for storing the tray 2, a lift 18 that connects the boarding and alighting room 12 and the storage room 14 and for placing the tray 2 thereon, and a tray drainage system related to any of the above.

[0089] This allows moisture brought onto the tray 2 by the vehicle 4 to be drained downstream at an appropriate timing from the tray 2. The moisture includes rainwater, melted snow and ice, as well as water that is continuously drained by the drainage system of a fuel cell vehicle (FCV), and this moisture can be drained reliably.

[0090] The above describes the embodiments of the present invention, but these embodiments are merely examples, and various modifications can be made without departing from the gist of the present invention. It goes without saying that the scope of the present invention is not limited to these embodiments.

[0091] For example, although the tubular member 2C has been described as being cylindrical, this is not limiting and tubular members of other cross-sectional shapes, such as a square tube, may be used. In this case, it is preferable that the sealing portion 2C1 has a shape that allows it to be watertightly sealed with the opening / closing member 22.

[0092] In addition, although the support member 2D is a cylindrical pipe and the sliding member 24 is a columnar member, the support member 2D may have any shape as long as it allows moisture to pass downward, and the sliding member 24 may be a prismatic member. In this case, the support shape of the support member 2D may be formed into a prismatic shape in accordance with the cross-sectional shape of the sliding member 24.

[0093] In addition, although the opening / closing member 22 has been described as being disc-shaped, it is not limited to this and may be elliptical, angular, pyramidal, spherical, round, etc., in which case, the sealing portion 2C1 should be shaped so as to be in watertight contact with the opening / closing member 22.

[0094] In addition, while it has been explained that the coil spring 28 is arranged to be inserted into the sliding member 24 that connects the support member 2D provided on the tubular member 2C, the opening / closing member 22, and the actuated member 26, it is of course possible to use other spring materials such as a leaf spring without being limited to this.

[0095] In addition, although the drainage gutter 40 has been described as having a first induction section 40A, a second induction section 40B, a third induction section 40C, and an open section 40D, the present invention is not limited to this, and the cross-sectional shape of the drainage gutter 40 when viewed in a plan view may be any shape that has the open section 40D and has the function of guiding moisture and allowing it to flow down, such as a circle, an ellipse, a trapezoid, a triangle, etc.

[0096] Further, in the above description, the downstream side of the drain gutter 40 is provided with the connection portion 42 to be connected to the drain member 44, but this is not limiting, and the drain gutter 40 may be led directly to the boiler room 16A.

[0097] In addition, although it has been explained that the water-stopping member 2A is made of a round steel bar with a diameter of 19 mm, it is not limited to this and may be a round steel bar with a diameter of 25 mm, or a square steel bar with equivalent dimensions, or any material that exhibits water-stopping function.

[0098] In addition, the storage device 14A of the mechanical parking device 1 in this embodiment has been described as being of an upper and lower two-tier type, but it is not limited to this, and may be of a single tier type, or of a type with three or more tiers. Also, the number of vehicles 4 that can be stored may differ for each storage level, or the settings may be different for each storage level or within the same level based on the size of the vehicles 4 to be stored (for example, the storage height limit of the vehicle 4 or the storage planar dimension limit of the vehicle 4) or the storage weight limit of the vehicle 4, etc. [Explanation of symbols]

[0099] 1. Mechanical parking system 2 Tray 2A Water-stopping material 2B opening 2C Cylinder Part 2C1 Sealing part 2D support member (example of support part) 2E Spacer 4. Vehicles 10 Building structure 12 Boarding and disembarking areas 12A entrance / exit 12B opening 14 Storage Room 14A Enclosure 16 Lift Pit 16A Kamaba (An example of a water storage unit) 18 Lifting section, lift (an example of a lifting device) 18A Lift column 18B Support material 18C frame 18C1 Intermediate material 18D crossbeam 19. Mounting member 20 Drainage mechanism 22 Opening and closing members 24 Sliding member 26 Actuated member 28 Coil spring (an example of a biasing member) 30 Water receiving part (an example of an operating part) 32 Water receiving tank (an example of a water receiving tank) 32A Drain hole (an example of a drainage section formed with the drainage pipe 38) 34 Actuating member 34A Tip 36 Frame material 36A receiving material 36B Spacer 38 Drain pipe (an example of a drainage section formed with drainage hole 32A) 38A Drain port 40 Drainage gutter (an example of a water guide section) 40A First induction part 40B Second induction part 40C Third induction part 40D open section 42 Connection 44 Drainage material

Claims

1. A drainage system for a tray, comprising: a drainage mechanism provided in a tray on which an article is placed; an operating unit that acts on the drainage mechanism to open the drainage mechanism; and a moisture guide unit that guides moisture from the operating unit, the drainage mechanism is provided below an opening penetrating a floor of the tray, and is configured to include a sealing portion that seals out moisture, an opening / closing member that opens and closes the sealing portion, and an actuated member that is integral with the opening / closing member; the actuating unit is provided in a lifting device that lifts and lowers the tray, and includes a water receiving tank that is open at the top and has a drainage unit that drains moisture received from the drainage mechanism, and an actuating member that is provided inside the water receiving tank and extends toward the actuated member of the drainage mechanism, The operating member advances and retreats relative to the operated member to move the opening / closing member in a direction away from the sealing portion to open the sealing portion, whereby the moisture accumulated in the tray is drained, The moisture guide portion is fixedly disposed in the elevator shaft so as to extend in a direction along the lifting direction of the elevator device, and the drainage portion has an opening portion that allows the water drainage portion to rise and fall inside the moisture guide portion, The water drained from the water drain section falls naturally through the water guide section via the open section in accordance with the lifting operation of the lifting device of the water drain section provided in the actuation section, and is guided from the water guide section to the water storage section. Tray drainage system.

2. 2. The tray drainage system of claim 1, wherein the drainage mechanism comprises: a tubular member provided below the opening, having openings at the top and bottom, and having the sealing portion formed at the top; a support member provided on the tubular member and movably supporting the opening / closing member; a sliding member connected to the opening / closing member and slidably supported by the support member; an actuated member provided on the opposite side of the sliding member from the opening / closing member and subjected to the action of the operating portion; and a biasing member provided between the support member and the actuated member and biasing the opening / closing member in a direction toward contact with the sealing portion.

3. A mechanical parking device comprising: a tray for placing a vehicle, a boarding and alighting compartment where the vehicle gets on and off the tray, a storage compartment for storing the tray, a lifting device that connects the boarding and alighting compartment and the storage compartment and for placing the tray on it, and a drainage system for the tray as described in claim 1 or 2.

Images