JPH09273325A - Double-deck parking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily drive in a car by forming the front end of the step of the front end of a pallet to get in contact with the foundation face and making the pallet nearly horizontal at the raised position of the pallet loaded with a car and making the posts low. SOLUTION: A pallet body 20 is guided and supported in posts 10 erected from the ground G so as to be vertically movable by rollers 16 provided at the upper and lower parts of the right and left arms 15 erected and fixed at the rear side. And steps 30 are supported at the front end of the pallet body so as to be movable by a specified angle. The pallet body is fixed to the arms to make horizontal in the raised position loading with a car. The front half 30a of steps is inclined forward at the free condition and the rear half 30b is loaded with car wheels in the loading condition and the steps becomes nearly horizontal. Channel bars are used for the posts and the upper and lower rollers are fitted to be rotatable on respective flange inside faces of the front and rear sides of the post and guided to make vertically movable the pallet.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-stage parking apparatus, especially a rear-stage parking apparatus, which is equipped with a pallet for mounting a vehicle and which can be moved up and down so that another vehicle can be parked in the space below the raised pallet. The present invention relates to a two-stage parking device in which a pallet is supported by a cantilever.

[0002]

2. Description of the Related Art A two-tiered parking system of this type is shown in FIG.
As shown in FIG. 3, a pair of left and right arms 3 extending upward is fixed to the rear end of the pallet 2, and a pair of rollers 4 provided on the respective arms 3 vertically above and below each other are raised from the basic surface G. A rope 8 having one end attached to an arm 3 is used as a deceleration output shaft of a motor 6 by rollingly engaging the inner surfaces of the front and rear flanges of a column 1 having a groove-shaped cross section, which is movably supported. There is a device in which an elevating device 5 which is wound by a provided pulley 7 elevates and lowers it. In this type of two-tiered parking system, the pallet is almost horizontal, and a step with an inclined upper surface is fixed to the front end to make it easier for the vehicle to get in, and the tip of this step is in contact with the base surface in the lowest position. I have to. However, when the vehicle is mounted and raised, the tip of the pallet bends downward due to the weight of the vehicle, which may cause the vehicle to move to the front side, and in order to secure the space for the vehicle parked below. However, there is a problem in that the pallet must be raised further by the amount of this bending, and the height of the two-tier parking system becomes large.

In order to solve such a problem, in the prior art shown in FIG. 5, the lower portion of the flange portion 1b on the rear side of the column 1 is bent to the rear side. In this way, at the lowest position, the arm 3 pivots slightly clockwise as shown by the chain double-dashed line 2A, and the pallet 2 moves forward and the tip of the step 2a surely contacts the base surface G. Therefore, it is easy to get in the vehicle. Further, when the vehicle C is not mounted and the pallet 2 is flexed while the vehicle C is mounted, the pallet 2 is bent substantially horizontally as shown by a chain double-dashed line 2B in the raised position. Becomes

This prior art support column 1 uses, for example, channel steel, and as shown in FIGS. 5 and 6, the root of the rear flange portion 1b is cut off and slightly bent backward to form a triangular auxiliary. The plate 1d is applied and welded. Alternatively, the front flange portion, the rear flange portion 1b whose lower portion is bent, and the web portion therebetween (the portion corresponding to the auxiliary plate 1d is integrally provided on the lower portion) are made of a thick steel plate. It can also be cut out and integrally welded.

[0005]

In the channel steel forming the column 1, the flange portion 1b on the rear side must be bent, so that the flange portion 1b having a large thickness cannot be used. For example, in the case of 162 mm x 49.5 mm channel steel, only a plate thickness of about 9 mm can be used. Further, in the case where the front and rear flange portions cut out from the steel plate and the web portion between them are welded, too thick a plate cannot be used in order to prevent the column 1 from being deformed due to welding distortion.
Therefore, the column 1 needs the reinforcing material 1c.

Further, the force applied from the upper and lower rollers 4 for guiding and supporting the arm 3 acts so as to open the front and rear flange portions of the column 1, but the column 1 of the prior art described above is a sufficiently thick plate. Therefore, it is necessary to increase the pitch p between the upper and lower rollers 4 in order to prevent the front and rear flange portions from being deformed. Therefore, it is impossible to solve the problem that the height of the arm 3 becomes large and the height of the support column 1 becomes large. According to the present invention, as shown in FIGS.
It is an object of the present invention to solve the above-mentioned problems by means different from the prior art shown in FIG.

[0007]

In a two-stage parking apparatus according to the present invention, a step having an inclined upper surface for riding a vehicle is provided at a front end portion, and a pair of left and right arms extending upward is fixed to the rear end portion. A pallet, and a pair of rollers rotatably engaged with a pair of stanchions vertically provided on each arm and erected from a base surface so as to guide and support the pallet so that the pallets can be lifted and lowered by the struts; The pallet is provided with an elevating device provided between the column and the arm to elevate and lower the pallet. The pallet has a pallet body with a pair of arms standing upright at the rear end, and an intermediate part of the pallet body. The pallet body is fixed to the arm so that the pallet body is almost horizontal when the vehicle is mounted on the front end, and the pallet body is supported at the front end so that the pallet body can be swung by a predetermined angle around the horizontal axis.
The step consists of a front half that extends forward from the middle part and forms a slope for riding in the vehicle, and a second half that extends rearward from the middle part.In a free state, the front half descends forward and a load is applied to the latter half. It is characterized in that the upper surface of the latter half of the pallet is almost flush with the upper surface of the pallet body.

It is preferable that the frame of the pallet body has a pair of left and right outer vertical members projecting more forward than other portions, and the step supports the middle portion of the step so as to be swingable at the tip of the outer vertical member. .

When the vehicle is mounted and lifted, the pallet body is substantially horizontal, and the steps on which the wheels of the vehicle are mounted on the rear half of the pallet are also substantially horizontal. Further, when the vehicle is not mounted at the lowest position, the pallet body rises slightly to the front, but the first half of the step of forming the inclined surface for the vehicle to ride in is swayed so that the tip of the pallet moves downward. Touch the foundation.

According to the present invention, the channel steel is used as the support, and the upper and lower rollers are rollably engaged with the inner surfaces of the front and rear flanges of the support to guide and support the pallet so that the pallet can be moved up and down. Is preferred. With this structure, the support pillar can be formed by simply cutting the grooved steel, so that the rigidity of the grooved steel in the direction in which the flange portion opens can be increased by using a sufficiently thick wall.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the embodiments shown in FIGS. As shown in FIGS. 1 to 3, a pair of left and right struts 10 formed by cutting thick channel steel (for example, 162 mm × 49.5 mm and having a plate thickness of 18 mm) is used. They are arranged parallel to each other so that their release sides face outward, and are welded and connected by connecting members 11a and 11b at two upper and lower portions thereof, and the lower half portion is embedded in the foundation surface G and stands vertically. Each pillar 10
A pair of arms 15 fixed to the rear part of the pallet A described below and moved up and down by an elevating device 40 are guided and supported. As shown in FIGS. 1, 2 and 4, the pallet A comprises a pallet body 20 and a step 30 swingably attached to its front end.

As shown mainly in FIG. 2, the pallet body 20 is composed of a frame 21 and an upper plate 28 fixed to the upper surface of the frame 21, and a pair of rearwardly projecting frames 21 fixed to the above-described arm 15 is fixed to the arm 15. The support member 25 of FIG. The frame 21 includes left and right outer vertical members 22,
Front transverse member 23a and intermediate transverse member 23 connecting these
It has b and five reinforcing members 24a that connect both lateral members 23a, 23b, and the front portion of each outer vertical member 22 projects forward from the front lateral member 23a. The frame 21 further includes a pair of left and right support members 25, which are slightly inward of the outer vertical members 22 and whose front ends are fixed to the intermediate lateral members 23b and which extend in parallel to the outer vertical members 22 and rearward of them. . The rear end of each outer vertical member 22 is a rear auxiliary member 2
3d is connected to the outside of the intermediate portion of each support member 25,
The support members 25 are connected to each other by a rear lateral member 23c aligned with the rear auxiliary member 23d and a rear connecting member 26, and the intermediate lateral member 23b and the rear lateral member 23c are connected by a pair of reinforcing members 24b. Each of these members forming the frame 21 is a square pipe made of steel, each connecting portion is welded, and the supporting member 25 is wider and has a larger bending strength than the other members. The inner width between both support members 25 is made slightly larger than the outer width of both columns 10.

On the upper side of the frame 21, which is between the front lateral member 23a and the rear lateral member 23c, a rectangular upper plate 28 made of a steel plate having a non-slip uneven surface formed by embossing is fixed by welding or the like. Has been done. As shown in FIG. 1, the rear side wheel stopper 27 made of a square pipe that extends laterally rearward and upward from the rear transverse member 23c has its central portion and both ends fixed to the frame 21 via stays 27a and 27b. There is. At a position on one side of the upper surface of the upper plate 28, which is the front side of the wheel W that abuts or approaches the rear wheel stopper 27, a front wheel stopper 28a formed by bending a steel plate in a chevron shape is welded.

As shown in FIGS. 2 and 4, the step 30 mainly comprises a step frame 31 and a step upper plate 36 fixed to the upper surface of the step frame 31. It is swingably supported. The step frame 31 has a central transverse member 32, a rear transverse member 33, and six vertical members 34 that connect these by welding in parallel with each other in the lateral direction, and the base end is welded to the front surface of the central transverse member 32. It has a front reinforcing member 35 that extends forward. Vertical and horizontal members 32, 3
Reference numerals 3 and 34 denote square pipes, respectively, so that the rear lateral member 33 can be inserted between the outer lateral members 22 projecting forward from the front lateral member 23a of the pallet body 20 so that the rear lateral member 33 can be inserted more than the central lateral member 32. The vertical member 34, which is somewhat short and is the outermost side, is also arranged in accordance with this. The front reinforcing member 35 is a shallow upward groove formed by bending a steel plate, and the flange portions on both sides of the front reinforcing member 35 have a slope whose height decreases toward the tip and are connected by an auxiliary member 35a having an L-shaped cross section.

The upper plate 2 is provided above the step frame 31.
A step upper plate 36 made of a steel plate provided with anti-slip unevenness similar to that of No. 8 is fixed by welding or the like, and the tip end portion thereof winds the tip end of the front side reinforcing member 35. Each member 3 on the front side
5, 35a and a front half portion 30 of the step 30 having a sloped upper surface on a portion of the step upper plate 36 welded thereon
a, and each of the rear members 32, 33, 34 and a part of the step upper plate 36 welded thereon forms a rear half portion 30b extending rearward.

The two vertical members 34 on each of the left and right sides of the step frame 31 have the connecting pins 38 rotatably inserted into the holes 32a formed at the tips thereof, and the outer ends of the connecting pins 38 are at the pallet body. 20 is rotatably inserted into a hole provided at the tip of the outer vertical member 22 of each member 20, and both ends of each connecting pin 38 are retained by retaining rings or the like. This step 3
0 is supported by the front end of the pallet body 20 so as to be swingable about the left-right axis in the front-rear intermediate portion, and as shown by the solid line in FIG. The lower edges of the rear end portions of the rear surface 32 come into contact with each other so that the front half portion 30a
Is stopped in the front-lowering state, and as shown by the chain double-dashed line 30B in FIG. The lower surface of the lateral member 33 can be swung between the second position where the lower surface of the lateral member 33 contacts and is stopped. The center of gravity of the entire step 30 is on the front side of the connecting pin 38, and thus in the free state, as shown by the solid line in FIGS. 1 and 4,
The first half portion 30a is stopped at the first position where the front half 30a is lowered frontward. In step 30, a spring provided between the pallet body 20 and the pallet body 20 may cause the front half portion 30a to move downward in the free state.

When a load is applied to the upper surface of the rear half 30b of step 30, step 30 swings counterclockwise in FIGS. 1 and 4, and the second step shown by the chain double-dashed line 30B in FIG.
It becomes a position and is stopped. In this state, the pallet body 2
The upper plate 28 of 0 and the step upper plate 36 of step 30 are continuous in the upper surface without a step, and the downward bent portion 36a of the rear edge of the step upper plate 36 is a channel shape formed at the front edge of the upper plate 28 of the pallet body 20. The front edge portion 28b of the above is prevented from dropping earth and sand from the gap between the pallet body 20 and the step 30.

As shown in FIGS. 1 and 2, each arm 15
Is a pair of side plates 15a and 15b arranged in parallel with each other so as to sandwich a pair of left and right support members 25 extending rearward from the pallet body 20.
It is welded and connected by d. The lower end of the arm 15 is firmly fixed to the rear end of the support member 25 by bolting or welding and extends upward. Each arm 15
A roller 16 is rotatably provided on each of a pair of upper and lower support shafts 16a having a root portion fixed to the inner side plate 15a and extending inward to prevent the rollers 16 from coming off. The rollers 16 are inserted into the grooves of the columns 10 made of channel steel, and the upper and lower rollers 16 are fixed to the arm 15 and the arm 15 by abutting the inner surfaces of the front and rear flanges and rolling. The pallet body 20 is guided and supported so as to be able to move up and down. The mounting angle between the arm 15 and the pallet body 20 is 9
In the state where the vehicle C is not mounted on the pallet body 20 by making it slightly smaller than 0 degree, the solid line and the chain double-dashed line 20A in FIG.
When the vehicle C is mounted on the pallet body 20 and is raised to bend each part as shown in FIG. 2, the pallet body 20 is made almost horizontal as shown by the chain double-dashed line 20B in FIG.

Next, an elevating device 40 for elevating the arm 15 and the pallet A will be described. Mainly as shown in FIG. 3, the ball screw shaft 42 rotatably suspended and supported from the horizontal portion 11 c below the upper coupling member 11 a via the thrust bearing 45 has the upper coupling member 11 via the shaft joint 43.
It is rotated in both forward and reverse directions by the motor 41 supported by a. Connecting member 2 at the rear of frame 21 of pallet body 20
The bracket 46 fixed to 6 is supported on the flange of the ball nut 44 screw-engaged with the ball screw shaft 42 while being prevented from relative rotation, and when the motor 41 is rotated by this, the arm 15 and the pallet A are rotated. Moves up or down depending on the rotation direction of the motor 41.

When the pallet A is not mounted on the pallet A and is at the lowest position, the pallet body 20 is slightly raised as shown by the chain double-dashed line 20A in FIG.
In the step 30 of forming the inclined surface for riding in, the front half portion 30a is swung so that the front half portion is in the front downward direction, and the tip end thereof is in contact with the base surface G, as shown by a chain double-dashed line 30A. Therefore, it is easy to get in the vehicle C.

In the state where the vehicle C has reached the predetermined position as shown by the chain double-dashed line in FIG. 1, the wheels W are placed on the rear half 30b of the step 30 and a load is applied.
0 is the second position where the rear lateral member 33 contacts the rubber stopper 29a of the pallet body 20 (see the chain double-dashed line 30B in FIG. 4).
The upper surface of the rear half 30b of the step 30 is almost horizontal, and the upper surface is continuous with the upper surface of the pallet body 20 without any step. When the lifting device 40 is operated in this state to raise the pallet A, the pallet body 20 is bent by the weight of the vehicle C and becomes substantially horizontal as shown by the two-dot chain lines 20B and 30B in FIG. Is continuous with this and becomes almost horizontal. Therefore, it is not necessary to raise the pallet excessively in order to secure the space for the vehicle parked under the pallet A, and the vehicle C does not move.

In the two-stage parking apparatus of this embodiment, since the channel steel is used as the column 10, the column 10 can be formed only by cutting the channel steel, and the wall thickness is sufficiently thick. Can be used to increase the rigidity in the direction in which the flange of the channel steel opens. Therefore, even if the pitch P between the upper and lower rollers 4 rolling along the inner surfaces of the front and rear flanges of the support column 10 is reduced, the support column 10 is not likely to be deformed, and the height of the arm 15 is reduced, which in turn reduces the height of the arm 15. Prop 10
Height can be reduced.

[0023]

As described above, according to the present invention, when the vehicle is mounted and lifted, the pallet body and the steps are substantially horizontal, so that the vehicle on the pallet body does not move. Also, it is not necessary to raise the pallet excessively in order to secure a space for a vehicle parked under the pallet. Further, when the vehicle is not mounted at the lowermost position, the tip of the first half of the step is in contact with the base surface, so that the vehicle can be easily entered.

Further, if groove steel is used as the column, rigidity in the direction in which the flange portions of the groove steel with which the upper and lower rollers are engaged with each other can be increased, so that along the inner surface of this flange portion The pitch between the upper and lower rolling rollers can be reduced to reduce the height of the support column.

[Brief description of drawings]

FIG. 1 is an overall side view of one embodiment of a two-tiered parking system according to the present invention.

2 is an overall plan view of the embodiment shown in FIG. 1. FIG.

3 is a sectional view taken along line 3-3 of FIG.

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

FIG. 5 is an overall side view of an example of a two-stage parking device according to the related art.

6 is a sectional view taken along line 6-6 in FIG. 5;

[Explanation of symbols]

10 ... Struts, 15 ... Arms, 16 ... Rollers, 20 ... Pallet body, 21 ... Frame, 22 ... Outer vertical member, 30 ...
Step, 30a ... 1st half, 30b ... 2nd half, 40 ... Lifting device, A ... Pallet, C ... Vehicle, G ... Foundation surface.

Claims (3)

[Claims] 1. A pallet having a front end provided with a step having an inclined upper surface for riding in a vehicle, and a pair of left and right arms extending upward at the rear end fixed to the pallet, and the arms being vertically spaced from each other. Provided between each of the pair of rollers, which is rotatably engaged with a pair of columns provided upright from the foundation surface to guide and support the pallet so that the pallet can be moved up and down by the columns; and between the columns and the arms. In a two-tiered parking apparatus including an elevating device for elevating and lowering the pallet, the pallet includes a pallet body having a pair of arms vertically installed and fixed at a rear end thereof, and an intermediate portion in a left-right direction at a front end of the pallet body. The pallet body is fixed to the arm so that the pallet body is substantially horizontal when the vehicle is mounted and is raised. It consists of a front half that extends forward from the intermediate portion to form the inclined surface and a rear half that extends rearward from the intermediate portion. In the free state, the front half descends forward and the latter half when a load is applied to the latter half. A two-tiered parking device characterized in that the upper surface of the part is substantially aligned with the upper surface of the pallet body. 2. The frame of the pallet body has a pair of left and right outer vertical members projecting forward from other portions, and the step allows the middle portion thereof to swing to the tip of the outer vertical member. The two-stage parking device according to claim 1, which is supported. 3. A grooved steel is used as the pillar, and the upper and lower rollers are rollably engaged with the inner surfaces of the front and rear flanges of the pillar to guide and support the pallet so that the pallet can be moved up and down. The two-stage parking device according to claim 1 or 2, characterized in that.