JPH0735031Y2 - Pallet fall prevention device in a two-story garage - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention is designed to accommodate two cars in a vertical direction by placing the car on a pallet and moving it upward, and then storing another car in the space below the pallet. In the two-storey garage, the pallet lifted by mounting the car can be automatically locked and supported at the stop position, and the lock can be automatically released when the pallet is lowered. The present invention relates to a pallet fall prevention device in a two-story garage.

[0002]

2. Description of the Related Art Recently, due to soaring land prices in cities,
A two-story garage that uses a three-dimensional space has emerged as an automobile garage. This two-story garage is of a type in which a pallet on which an automobile is mounted is raised to a predetermined height, and a plurality of chains that are normally operated by a motor are used to raise and lower the pallet. . The means for stopping the pallet thus moved to the raised position so as not to drop at that position is usually a plurality of chains used for lifting and lowering the pallet.
That is, a pallet on which an automobile is placed is suspended by a plurality of chains for raising and lowering the pallet at its raised position. For this reason, when the pallet is in the raised position, not only the weight of the car but also the weight of the pallet is applied to the chain, so that a large tension is always applied to the chain and the life of the chain is shortened. Not only that, but if the chain is cut for some reason, the pallet may drop. Moreover, when a large tension is applied to the chain for raising and lowering the pallet, a large force is exerted on the chain gears around which the chain is mounted and peripheral members such as the shaft supporting the chain gear. As a result of the action, there is no choice but to design so that the strength of these members becomes high.

Preventing the pallet from falling is indispensable in a two-story garage, and in order to solve this problem, pins provided on the columns of the garage on both sides of the pallet are lifted after the pallet is lifted. There was something to project from the pillar. However, this pin does not support the weight of the car and the pallet, but supports the lower part of the pallet when one of the chains is cut, and merely serves as a safety function. However, the chain has a problem in that the weight of the automobile and the pallet is the same as in the conventional case.

[0004]

SUMMARY OF THE INVENTION According to the present invention, a pallet that has been loaded with an automobile and moved to a raised position can be securely supported at this position without requiring human labor to prevent the pallet from falling and support the pallet. In this state, it is an object to ensure that the chain used for raising and lowering the pallet does not bear the weight of the automobile or pallet at all.

[0005]

In order to solve this problem, the means adopted by the present invention are a vehicle-mounted pallet which can be raised and lowered via a chain driven by a motor.
In a two-story garage equipped with a plurality of pillars that are erected in the front-rear direction so as to sandwich both sides of this pallet, a predetermined height near the upper part of the pair of vertical beam pillars that connect the upper ends of the pillars in the front-rear direction. And a bracket protruding inward from each of the hanging metal fitting fixing portions is provided on each of the hanging metal fitting fixing portions, and an upper end portion of the hanging metal fitting having a locking pin at a lower end of the bracket is connected to the hanging metal fitting. The stop pin is pivotally attached to the side of the pallet at the set rising end so that it can come into contact with and separate from the side of the pallet, and when the pallet rises to a position where it can be opposed to each of the locking pins on both sides of the pallet A fastener having a downward hook forming an engaging groove capable of engaging with a pin is fixed, and the retaining pin and the engaging groove are attached to the fastener when the pallet is further raised from the set rising end and then lowered. Relation with The lies in the structure to provide a baffle plate to disturb.

[0006]

The operation of the motor raises the pallet on which the automobile is placed. When this pallet reaches near the specified rising end, the hooks of the respective stoppers provided on both sides of the pallet push the locking pins of the suspenders in the direction away from the side of the pallet. Rotate in the direction away from the pallet about the axis. When the pallet is further raised and the engagement between the hook and the locking pin is released, the suspending metal member is rotated in the opposite direction to the front and the locking pin is positioned below the engaging groove in the lower portion of the suspending metal member. Then, when the pallet is slightly lowered, the locking pins engage with the engaging grooves, so that the pallet is supported by suspending the front and rear sides of the pallet at the same time.
The fall is prevented. When lowering the pallet, the motor is operated to raise the pallet slightly, and the baffle located below the engaging groove of the stopper causes the locking pin of the hanging bracket to move away from the side of the pallet. Press to. As the pallet moves up, the locking pin moves away from the baffle plate and then moves below the baffle plate. When the raising / lowering pallet is lowered in this state, the locking pin of the hanging fitting rotates the baffle plate upward, so that the baffle plate covers the engagement groove.
For this reason, since the locking pin does not engage with the engaging groove, the pallet is lowered without being supported by the hanging metal fitting.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A two-story garage 1 according to the present invention is shown in FIGS. In each figure, the support columns 2 are provided upright on the front and rear sides of the garage 1 on both sides of a pallet 3 for raising and lowering, which will be described later, at a predetermined interval. The shape of the pillar 2 is the same as that used in the conventional two-story garage, and the inside of the pillar 2 that opposes each other is provided with a guide portion 2a that opens in the vertical direction. The pallet 3 is for mounting a car C, has a length and width substantially the same as the length and width of the car C to be mounted, and has a predetermined thickness.
Its shape is the same as that of the conventional pallet, and the entry side of the automobile is a sloped surface 3a which is inclined downward. A pair of rear vehicle stops 4 having a predetermined height are provided on both upper sides of the rear end of the pallet 3, and a pair of front vehicle stops 5 are provided in front of the rear vehicle stops 4. Each post 2 on both sides of the pallet 3
Guide square rods 6 projecting into the guide portions 2a are fixed to the portions facing the guide portions 2a, and the pallet 3 is guided by the support columns 2 via the guide rods 6 to move up and down.

As shown in FIGS. 5 and 6, the vertical portions 7 are provided on both sides.
A pair of vertical beams 7 having a U-shape in cross section are fixed to the upper portions of the columns 2 and 2 on both sides with the lower surfaces thereof facing upward. The vertical beams 7 project from the front pillar 2 and the rear pillar 2 by a predetermined length in the front-rear direction.
The rear cross beam 8 is a member having a U-shaped cross section and having a predetermined width, and its both ends are fixed to the rear ends of the vertical beams 7, 7 on both sides with its opening facing downward. The front ends of the vertical beams 7 and 7 are also joined by a narrow front beam 9. A pair of vertical plates 10 each having a predetermined height and width have a lower portion on both vertical portions 7 of the vertical beam 7.
It is fixed to the inner surface of a. An appropriate number of the vertical plates 10 are arranged in parallel in the front-rear direction of the vertical beams 7, but the space in the front-rear direction is narrowed in the upper part of the column 2 as shown in FIG. The upper portions of the vertical plates 10 on both sides of the vertical beam 7 are fixed to the upper joint material 11 having a rectangular cross section.

The motor 12 has its shaft 12a parallel to the rear surface 8a of the rear cross beam 8 and is fixed to the upper surface of the rear cross beam 8 via a pedestal 13. The motor is located above the motor 12.
There is a drive shaft 15 arranged parallel to the rotary shaft 12a, and the drive shaft 15 is rotatably supported by an appropriate number of bearings 16 provided on the rear cross beam 8. As shown in FIG. 3, the drive shaft 15 is provided with a driven chain gear 17, and the chain gear 17 is a drive chain gear 14 mounted on the motor shaft 12a. It can be rotated by. As shown in FIGS. 1 and 4,
Both ends of the drive shaft 15 project above the vertical beams 7, 7 on both sides, and the first inner chain gear 18,
18 are attached to each of the first inner chain
On the outer side of the gears 18 and 18 at the end of the drive shaft 15.
Outer chain gears 19, 19 are mounted respectively. The upper side of the inner chains 20 on both sides is the first
The inner chain gear 18 and the first inner chain gear 1
8, a front shaft rotatably supported by a pair of bearings (neither shown) mounted on a coupling member for coupling the inner and outer vertical plates 10, 10 above the front support column 2 It is mounted on a second inner chain gear 22 fixed to 21. The second inner chain of this inner chain 20
The portion extending downward from the gear 22 is located in the guide portion 2a of the front support 2, and the lower end thereof is fixed to the front guide rod 6 of the pallet 3. The other end of each inner chain 20 extends forward from the lower side of the first inner chain gear 18 and joins the inner and outer vertical plates 10, 10 located rearward of the rear column 2. It is wound around a third inner chain gear 24 fixed to a rear shaft 23 that is rotatably supported by a pair of bearings (not shown) attached to the coupling member. A weight 25 is fixed to an end portion of the chain gear 24 extending downward from the front portion thereof. The weight 25 has the same function as a weight attached to a general elevator or the like, and each chain 20,
26 is applied with tension, and the power required by the motor 12 when the pallet 3 is moved up and down is reduced. This weight 25
Is located directly below the third inner chain gear 24 when the pallet 3 is on the floor F, and its lower surface is located on or directly above the floor F when the pallet 3 is at the rising end.

The outer chains 26 on both sides have a first outer chain gear 19 on the upper side thereof and the first outer chain, respectively.
In front of the gear wheel 19 and above the rear support column 2,
A second outer chain gear 2 fixed to a rear shaft 27 that is rotatably supported by a pair of bearings (neither shown) attached to a coupling member that couples the outer vertical plates 10, 10.
It is hung on 8 and. The portion of the outer chain 26 that extends downward from the second outer chain gear 28 is the rear column 2.
Of the pallet 3 is fixed to the guide bar 6 on the rear side of the pallet 3. The lower side of the outer chain 26 is wound around a third outer chain gear 29 attached to the rear shaft 23 in parallel with the third inner chain gear 24, and then extends downward and its lower end is a weight 25. It is fixed.

Next, the pallet drop prevention device 30 is shown in FIG.
And FIG. 6 will be described. In each figure, the hanging metal fitting 31 is composed of an upper hanging metal fitting 32 and a lower hanging metal fitting 33. The upper suspension metal fitting 32 is formed by forming a pair of side plates 34, which are rectangular plate members, in parallel with each other and connecting one end inside thereof with a square block 35 to form a U shape. A shaft hole 36 into which a support shaft 45, which will be described later, is inserted, is formed in each of the side plates 34 at the end opposite to the block 35. A hole 37 is formed in the block 35 in a direction perpendicular to the shaft hole 36, and a connecting bolt 38 is inserted into the hole 37 from the inside of the block 35. The lower hanging bracket 33 has a pair of side plates 39 made of rectangular plate materials.
One end of 39 is joined by a block 40 to form a U shape. The side plate 39 has substantially the same shape as the side plate 34 of the upper hanging fitting 32, but has a longer length and a narrower width than the side plate 34. The lower suspension metal fitting 33 has a screw hole 40a into which the coupling bolt 38 is screwed into the block 40, and a locking pin 41 is attached to the end portion on the opposite side of the block 40. Then, in order to assemble the upper hanging metal fitting 32 and the lower hanging metal fitting 33, first, the coupling bolt 38 is inserted from the inside of the upper hanging metal fitting 32 into the hole 37 of the block 35 through the washer 42, and is projected from the block 35. The nut 43a is screwed into the threaded portion 38a of the coupling bolt 38 via the washer 42. Next, after another nut 43b is screwed into the coupling bolt 38, the nut 43b of the coupling bolt 38 is screwed into the threaded portion 38a below the nut 43b of the coupling bolt 38 into the screw hole 40a of the block 40 of the lower suspension fitting 33 through the washer 42. Then, after the axis line of the shaft hole 36 of the top hanging metal fitting 32 and the axis line of the locking pin 41 are made parallel, the nut 43a is tightened to the connecting bolt 38 to connect the connecting bolt 38 to the block 35.
And the lower hanging metal fitting 33 is fixed to the coupling bolt 38 by rotating the nut 43b in a loosening direction, the hanging metal fitting 31 is assembled.

The hanging fitting 31 assembled as described above
Is a plate in which both side plates 34 of the upper hanging metal fitting 32 are fixed to the upper outer side of a hanging metal fitting fixing portion A formed by a vertical plate 10 standing upright on the vertical beam 7 near the upper part of the pillar 2 of the garage 1. The bracket 4 inserted into the outer side of the bracket 4
It is supported by a support shaft 45 which is inserted and supported in a hole 44a at the tip end of No. 4 and a shaft hole 36 of both side plates 34. In this way, the four hanging metal fittings 31 are attached to the hanging metal fitting fixing portion A in the vicinity of each of the columns 2, and the respective locking pins 41 are near the set rising end of the pallet 3 and of the pallet 3. It is located outside the side surface 3b.

The stopper 46, which constitutes the pallet drop prevention device 30 together with the suspender 31, is a plate-shaped member, and its thickness is narrower than the space between the inner side surfaces of both side plates 39 of the lower suspender 33, as shown in FIG. Has become. The stopper 46 is fixed to the side of the pallet 3 at a position where it can be engaged with the locking pin 41 of the suspension 31 by protruding from the side surface 3b. The height of the fastener 46 is the same as the height of the pallet 3, and the upper portion thereof has a portion having the same height as the upper surface of the pallet 3 and an inclined surface 46a inclined downward from this portion. Has a downward arc surface. An arcuate engagement groove 47 is formed on the lower side of the inclined surface 46a, and a hook 48 facing downward is formed outside the engagement groove 47. The side of the engaging groove 47 opposite to the hook 48 is a locking surface 46b parallel to the side surface 3b of the pallet 3. A pair of baffles 49 are provided below the engaging groove 47 in the stopper 46. The baffle plate 49 has a narrow width, and the upper and lower surfaces of the tip end portion thereof are inclined surfaces 49a inclined in a taper shape. The baffle plate 49 has a rectangular protruding piece 50 fixed to a predetermined height at the center of one surface of the baffle plate 49. The baffle plate 49 has the projecting piece 50 facing inward, and the end portion on the opposite side of the projecting piece 50 is pivotally attached to both side surfaces of the stopper fitting 46 by the pin 51 so as to be vertically rotatable. The baffle plate 49 attached to the stopper 46 in this manner
As a result of its own weight, as shown in FIG. 6, the inner end portion of the protruding piece 50 normally comes into contact with the locking surface 46b and stops, and
It is inclined downward about 45 degrees with respect to the locking surface 46b, and a sufficient clearance is formed between the upper surface of the baffle plate 49 and the engaging groove 47 for the locking pin 41 to be fitted therein. Here, the lateral width of the stoppers 46 to which the baffle plates 49 are attached on both sides is narrower than the distance between the inner side surfaces of the both side plates 39 of the lower suspension member 33, and the stoppers 46 are located at the centers of their engaging grooves 47. The line and the center line of the locking pin 41 of the hanging fitting 31 are parallel to each other, and the locking pin 41 can be fitted into the engaging groove 47.

In order to raise the automobile C placed on the pallet 3 of the two-story garage 1 to the second floor side, a raising switch (not shown) of a switch box provided on the front surface of the front support column 2 is turned on. Then, when the motor 12 is started and the drive shaft 15 is rotated as in the conventional case, the inner chains on both sides are
The chain 20 and the outer chain 26 are respectively chains of the drive shaft.
Since the pallet 3 is lifted up, the weights 25 on both sides are lowered. As shown in FIG. 7, when the pallet 3 approaches the set rising end, the inclined surface 46 a of the stopper 46 comes into contact with the locking pin 41 of the suspension 31. Then, as the pallet 3 rises, the stopper 46 ascends while its inclined surface 46a pushes the locking pin 41 away from the pallet 3 (see FIG. 8). When the pallet 3 further rises, the hook 48 of the stopper 46
Is disengaged from the locking pin 41, and the force pressing the locking pin 41 in the direction away from the pallet 3 does not act, so that the locking pin 41 contacts the locking surface 46b of the stopper fitting 46. Turn to. The locking pin 41 is the baffle plate 4.
When the pallet 3 rises until it comes into contact with the upper surface of 9 (see FIG.
Since the motor 12 is set so as to automatically stop its operation and rotate slightly in the opposite direction, the pallet 3 is lowered slightly and the locking pin 41 is locked by the stopper metal fitting 46. Engage with the engaging groove 47 (see FIG. 10). Since the motor 12 is set to operate and stop for a short time even after the engagement pin 4 is engaged with the engagement groove 47 of the stopper metal fitting 46, the chains 20 and 26 are not provided. Looseness occurs. As a result, the weight of the automobile and the pallet acts on the locking pin 41 and does not act on the chains 20 and 26 at all. In the pallet 3, as described above, the four stoppers 46 are surely supported at the rising end positions by the retaining pins 41 of the four suspenders 31, and the pallets 3 are surely prevented from falling. It

Next, when lowering the pallet 3 at the rising end position as shown in FIG. 10, when the lowering switch of the motor 12 is turned on, the pallet 3 slightly rises and then The rotation of the motor 12 is set so that the pallet 3 descends. In this case, pallet 3
As the locking pin 41 of the hanging metal fitting 31 abuts on the upper surface of the baffle plate 49 of the stopper metal fitting 46 as it rises, it is pushed up by the inclined surface 49a of the baffle metal plate 49, and as shown in FIG. Since they are separated from each other, the hanging metal fitting 31 itself has the side surface 3 of the pallet 3 about the support shaft 45 of the bracket 44.
Rotate in the direction away from b. When the pallet 3 is further raised, the engagement pin 41 is disengaged from the tip of the baffle plate 49 and enters below the baffle plate 49, as shown in FIG. At this time, the baffle plate 49 is in a state in which the inner end of the projecting piece 50 contacts the locking surface 46b of the stopper fitting 46 and is inclined downward. When the locking pin 41 or the baffle plate 49 enters below, the motor 12 automatically stops and rotates in the opposite direction to the front to lower the pallet 3,
The locking pin 41 abuts the lower surface of the baffle plate 49, and then rises along the lower surface of the baffle plate 49 to push up the baffle plate 49, that is, as shown in FIG. And rotate it counterclockwise. As for the baffle plate 49 rotated as described above, the outer end of the projecting piece 50 abuts on the lower end of the hook 48 of the stopper fitting 46 to cover the lower part of the engaging groove 47. Therefore, the locking pin 41 ascends along the inclined surface 49a of the baffle plate 49 without engaging with the engaging groove 47 and moves to the outside thereof without engaging with the stopper 46.
The pallet 3 descends as it is. As the pallet 3 descends, as shown in FIG. 14, the locking pin 41 of the suspension fitting 31 returns to the original position along the inclined surface 46 a of the stopper fitting 46. In this way, since the hanging metal fitting 31 returns to the original state after the pallet 3 is lowered, when the pallet 3 is lifted next time, the pallet 3 has four hanging metal fittings 3 as described above.
It will be automatically supported by 1.

In this embodiment, the hanging metal fitting 31 is divided into an upper hanging metal fitting 32 and a lower hanging metal fitting 33, and the two hanging metal fittings 32 and 33 are connected by a connecting bolt 38.
The lower suspension fitting 33 is movable in the axial direction of the coupling bolt 38 because the locking pin 41 of each suspension fitting 31 allows the pallet 3 to move.
Suspension metal fitting 3 so that the pallet 3 becomes horizontal when supporting the
This is because the length of 1 is adjusted.

[0017]

EFFECTS OF THE INVENTION The present invention is a two-story garage in which a pallet on which a car is placed is raised to store the car on the second floor. A hanging metal fitting fixing member of a predetermined height is provided near the upper part of the column at the upper part of the vertical beam connected in the direction, and the locking pin provided at the lower end is parallel to the side surface of the pallet near the set rising end of the pallet. In this way, the upper end of the pallet is attached to the bracket of the hanging metal fixture fixing member, and the hook is provided on the side of the pallet with the engaging groove that can be engaged with the locking pin of the hanging metal fixture. The pallet on which the vehicle is placed rises because the stopper is fixed by covering the engaging groove when moving up and down from the end and blocking the engagement between the locking pin and the engaging groove. When you reach the end Tsu with engagement grooves of the studs of the bets is suspended in each of the corresponding hanging engaging pins to engage the pallet with the hanging bracket fitting, the drop can be prevented. That is, when the pallet on which the vehicle is placed is raised and stored in the second floor, the loads of the vehicle and the pallet do not act on the plurality of chains for raising and lowering the pallet. In this way, since the pallet on which the vehicle is placed is supported by the plurality of suspension fittings attached to the columns, it is safe even when the pallet on which the vehicle is placed is stored on the second floor. In addition, the structure is such that the load of the automobile and pallet acts on the chain only when the pallet is moved up and down, the life of the chain is significantly longer than that of the conventional two-story garage, and the chain The risk of cutting is also reduced. Further, the engagement pin provided on the hanging fitting and the hook provided on the side surface of the pallet can be disengaged only by raising and lowering the pallet, and no external power is required. As described above, according to the pallet fall prevention device of the present invention, high safety can be ensured at a relatively low cost, and its practical value is extremely large.

[Brief description of drawings]

FIG. 1 is a side view of a two-story garage equipped with a pallet fall prevention device according to the present invention.

FIG. 2 is a plan view of a two-story garage equipped with a pallet fall prevention device according to the present invention.

FIG. 3 is a front view of a two-story garage equipped with a pallet fall prevention device according to the present invention.

FIG. 4 is a perspective view of a chain mechanism for moving the pallet 3 up and down.

FIG. 5 is a side view of the pallet fall prevention device of the present invention.

FIG. 6 is a front view of the pallet drop prevention device of the present invention.

FIG. 7 is an operation explanatory view of the pallet fall prevention device showing a state in which the pallet 3 is lifted up and its stopper 46 approaches the vicinity of the lower portion of the hanging bracket 31.

8 is an operation explanatory view of the pallet fall prevention device showing a state in which the pallet 3 is lifted from the state of FIG. 7 and the stopper metal fitting 46 is in contact with the locking pin 41 of the hanging metal fitting 31. FIG.

9: The pallet 3 is further raised from the state of FIG. 8, and the locking pin 41 of the hanging fitting 31 is engaged with the engaging groove 47 of the stopper fitting 46.
FIG. 7 is an operation explanatory view of the pallet fall prevention device showing a state where the pallet fall prevention device has entered below.

FIG. 10: The pallet 3 is slightly lowered from the state of FIG. 9, and the locking pin 41 of the hanging fitting 31 engages with the engaging groove 47 of the stopper fitting 46 of the pallet 3 to prevent the pallet 3 from falling. It is an action explanatory view showing the state where it was supported by the device.

11 is an operation explanatory view of the pallet fall prevention device showing a state in which the pallet 3 is slightly raised to lower the pallet 3 from the state of FIG.

FIG. 12 is an operation explanatory view of the pallet fall prevention device showing a state where the pallet 3 has been raised to the rising end from the state of FIG. 11.

13 is an operation explanatory view of the pallet fall prevention device showing a state where the pallet 3 is started to be lowered from the pallet rising end position of FIG.

FIG. 14 is an operation explanatory view of the pallet fall prevention device showing a state where the pallet 3 is further lowered from the position of the pallet 3 in FIG.

[Explanation of symbols]

 A: Fixing part for hanging metal fittings C: Automobile 1: Two-story garage 2: Support pillar 3: Pallet 7: Vertical beam 10: Vertical plate 11: Upper connecting material 12: Motor 20: Inner chain 26: Outer chain 30: Pallet drop prevention device 31: Hanging fitting 32: Upper hanging fitting 33: Lower hanging fitting 38: Coupling bolt 41: Locking pin 44: Bracket 45: Spindle 46: Stop fitting 47: Engaging groove 48: Hook 49: Baffle

Claims (2)

[Scope of utility model registration request] 1. A pallet for mounting on a vehicle, which can be moved up and down through a chain driven by a motor, and a plurality of columns vertically arranged so as to sandwich both sides of the pallet. In a two-story garage, a hanging metal fitting fixing portion of a predetermined height is provided near the upper part of the vertical pillar connecting the upper ends of the pillars in the front-rear direction, and each hanging metal fitting fixing portion projects inward from the hanging metal fitting fixing portion. A bracket is provided, and the upper end of a hanging metal fitting having a locking pin at the lower end of the bracket is attached to the side of the pallet where the locking pin is at the set rising end so that it can be brought into and out of contact with the side of the pallet. Then, at locations where the locking pins can be opposed to both side surfaces of the pallet, a fastener having a hook having an engaging groove that engages with the locking pin when the pallet is raised is fixed.
In addition, this stopper is provided with a baffle plate that interferes with the engagement between the locking pin and the engagement groove when the pallet is further raised from the set rising end and then lowered. apparatus. 2. The hanging metal fitting comprises: an upper hanging metal fitting pivotally mounted on a bracket of a hanging metal fitting fixing member by a support shaft; and a lower hanging fitting equipped with a locking pin at a lower end portion for locking in an engaging groove of a stopper fitting. The second floor according to claim 1, comprising a metal fitting and an assembling bolt for connecting both the hanging metal fittings so that the distance between the axes of the support shaft of the upper hanging metal fitting and the locking pin of the lower hanging metal fitting can be adjusted. Pallet fall prevention device in a building garage.