JPH041250Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention relates to a movable floor fall prevention mechanism for a multi-story parking system, and more specifically, to prevent the movable floor from sliding down when a vehicle is parked on the movable floor. To provide a safe movable floor fall prevention mechanism for a multi-level parking device, which can surely and stably stop a movable floor without any trouble and can prevent the movable floor from falling even if a hanging rope breaks.

[Technical background of the invention]

Conventionally, as a movable floor fall prevention mechanism in this type of multilevel parking system, hooks are provided on the hanging rods of the movable floor, and lock rods are attached to the columns of the fall prevention device, as described in Japanese Patent Application Laid-Open No. 59-220567. The hook is installed in such a way that when the lifting rope breaks, the above-mentioned hook engages with the locking rod, and the
As described in the above publication, a link mechanism is known in which a hook is engaged with a movable floor.

However, although the movable floor fall prevention mechanism has achieved its initial goal of safety, it has had problems with reliability when the rope breaks. Therefore, it is necessary to arrange the prevention mechanism at a plurality of locations to ensure safety, resulting in a problem that the structure of the mechanism becomes complicated and the structure of the entire multilevel parking system becomes large.

The present invention was devised in response to the above-mentioned problems, and its purpose is to prevent the movable floor of a safe multilevel parking system from falling by making it possible to stop the movable floor reliably and stably. The goal is to provide a mechanism.

[Means for Solving the Problems] The movable floor fall prevention mechanism of the multilevel parking system of the present invention, which is a means for achieving the above object, is constructed by erecting pillars at corner positions of the movable floor. In a multi-story parking system in which a movable floor is held in a horizontal state and the movable floor is moved up and down horizontally along the pillars, engaged members are provided on the main body side of the multi-story parking system such as the pillars, and the movable floor is An engaging member is provided at one end of the floor, and the engaging member engages an engaging body such as a roller that biases and engages the engaged member, and the engaging member engages the engaged member with the ground or the like. It has an engagement return lever that is brought into a returning state by contact, and a connecting member such as a rotating body or a rocking body that connects the engaging body and the engagement return lever, and the connecting member is used for returning engagement. It has an engaging part such as a notch that engages with the lever, and when the movable floor is lowered, the engaging body of the engaging member and the engaged member are disengaged, and when the movable floor is landed and ascends, the engaged state is released. The engaging body and the engaged member are configured to be in an engaged state.

Here, in the above configuration, the engaged member is usually a latch, and the engaging body of the engaging member is a pin or a roller.

[Effect]

The movable floor drop prevention mechanism of the multilevel parking system of the present invention based on the above configuration directly or indirectly engages and returns to engagement with the engaging portion of the connecting member when the movable floor is lowered from the state where the movable floor is stopped from raising and lowering. By bringing the movable floor into the engaged state with the lever, the engaging state of the engaging body of the engaging member and the engaged member is released, and the movable floor can be smoothly lowered by the electric motor. . In addition, when the movable floor descends and lands on the ground, etc., the engagement return lever comes into contact with the ground, etc., and the engagement with the engagement part of the connecting member is released. The biased engaging body acts to biasly engage the engaged member. When the movable floor is raised, the engaging body rises in a biased engagement state with the engaged member, and the moment the movable floor stops at an appropriate position, the engaging body of the engaging member The movable floor is engaged with and acts to prevent the movable floor from falling.

As described above, the movable floor fall prevention mechanism of the multi-level parking system of the present invention releases the meshing state of the engaging portion of the connecting member such as the rotating body or the rocking body even when the movable floor comes into contact with the ground etc. due to landing etc. Further, it has a special feature in that it includes an engagement return lever for maintaining the engagement with the engagement portion of the coupling member and forcing the engagement body and the engaged member to engage, Even with this configuration, the movable floor can be moved up and down in a stable manner.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

-Example 1- A movable floor fall prevention mechanism of a multilevel parking apparatus according to this example will be described with reference to FIGS. 1 to 8. Here, FIGS. 1 to 8 show embodiments of the present invention.
The figure is a side view, FIG. 2 is a perspective view of the engaging member, FIG. 3 is a plan view of FIG. 2, FIG. 4 is a rear view of FIG. 2, FIG. 5 is a perspective view of the rotating body, and FIG. 5 is a plan view of FIG. 5, FIG. 7 is an explanatory view of the operation of the rotating body, and FIG. 8 is a perspective view of an example of a multilevel parking system embodying this embodiment.

The movable floor fall prevention mechanism of the multi-story parking apparatus of this embodiment is roughly composed of a movable floor 1, an engaged member 8, an engaging body 4, a rotating body 13, and a wire rope 22.

The movable floor (it may have a shape other than the rectangular movable floor, for example, circular, triangular, etc.) 1 is an iron plate,
As shown in the multi-story parking system of FIG. 8, which will be described later, the four corners of the rectangular movable floor 1 are supported by four pillars 23a, 23b, 23c, and 23d, respectively. 23a, 23b, 23c, 23
A rectangular movable floor 1 is designed to move vertically and horizontally along the direction d.

The engaged member 8 is rack-shaped and is integrally formed on the rear side of the rear column of the four columns in the vehicle entrance/exit direction.

The engaging body 4 has an L-shaped arm shape and is rotatably supported by a pin 3 on a bent part of a bracket 2 attached to one side of the rear part of the movable floor 1, and is engaged with the upper part of the L-shaped arm. A dowel pin (or roller) 7 is provided. In the engaging body 4, a spring 6 is attached between a pin 5 projecting from the bracket 2 and a pin 5' projecting from the lower part of the L-shaped arm. , is pressed against and urged against the engaged member 8 to be engaged.

The rotating body 13 is provided at the front of the movable floor 1, is rotatably supported by the bracket 9 via a pin 10, and has a handle 12 at its tip.
The rotating body 13 is formed with a meshing part 11 such as a notch, and a spring 17 is provided between a pin 14 projecting from the corner of the meshing part 11 and a pin 16 projecting from the lower end of the bracket 9. The rotating body 13 is always urged to rotate clockwise (in the positive direction) in the figure. An engagement return lever (lock lever) 15 is fitted into the engagement portion 11 of the rotating body 13 by the biasing force of the spring 19. The engagement return lever 15 is pivotally supported by a pin 16, and a pin 18 protruding from the tip of the engagement return lever 15 and the rotating body 1
A spring 19 is provided between the lock lever 15 and the pin 10 at the center of the lock lever 15, and the spring 19 always urges the lock lever 15 toward the center of the rotating body 13.

The rope (traction device such as wire warp) 22 is
The pin 20 provided at the lower end of the engaging body 4 and the rotating body 13
It is tensioned between the piece 21 attached to the upper part of.

The movable floor fall prevention mechanism having the above-mentioned structure is embodied in a two-stage multilevel parking system shown in FIG. To explain this parking device, it is roughly composed of four pillars 23a, 23b, 23c, 23d, an electric motor 24, a movable floor 1, one chain 26a, and three wire ropes 26b, 26c, 26d. There is.

The four pillars 23a, 23b, 23c, and 23d are made of channel steel with one end open, and have a foot plate 2 at the lower end.
7 are fixed by welding (if necessary, fixed by assembly and engagement, etc.), and a top plate 28 is attached to the upper end.
are provided for each. And each pillar 23
a, 23b, 23c, 23d are four connecting members 2
The pillars 23 are arranged in a rectangular shape via 9, 29...
Supports 23c and 23d are arranged such that their open portions face each other with respect to a and 23b. The electric motor 24 is mounted on the top plate 28 of the support column 23a (it may be arranged in another position and operated in the same manner as in this structure), and a winding sheave 30 is directly connected thereto. ing. The electric motor 24 is designed to operate using a 100V power source for general household use.

The movable floor 1 is a steel plate with a slightly inclined vehicle entrance and exit, and each support column 23a, 23b, 23
Projecting pieces 1a, 1b, 1c, and 1d are provided at positions corresponding to the open grooves of the supports 23a, 23d, and 23d, respectively, and are adapted to slide along the grooves of each of the supports 23a, 23b, 23c, and 23d.

The chain 26a is unwound from the winding sheave 30 of the electric motor 24 and is wound up, and the lower end of the chain 26a is a piece 31 attached to a fixed part made of the projecting piece 1a of the movable floor 1. It is attached to.

One end of each of the wire ropes 26b, 26c, and 26d is fixed to the protruding piece 1a of the movable floor 1, and the other end of each of the wire ropes is fixed to the protruding piece 1b of the movable floor 1.
It is fixed to 1c and 1d.

That is, the wire rope 26b is connected to the support column 23a.
A pulley 32a attached to the lower part of the
The pulley 32g attached to the bottom of d and the pillar 2
Pulley 32e attached to 3c and support 23c
It is fixed to the protruding piece 1c of the movable floor 1 through a pulley 25b fixed to the lower surface of the top plate 28, and the fixation is as follows.
It is fixed with an adjustment bolt 33b that can adjust the length of the wire rope 26b.

The wire rope 26c is connected to a pulley 32c attached to the lower part of the column 23a, a pulley 32f attached to the lower part of the column 23d, and the top plate 2 of the column 23d.
It is fixed to the projecting piece 1d of the movable floor 1 with an adjustment bolt 33c through a pulley 25c fixed to the lower surface of the movable floor 1.

The wire rope 26d has a pulley 32b attached to the lower part of the column 23a, a pulley 32d attached to the lower part of the column 23b, and the top plate 2 of the column 23b.
It is fixed to the projecting piece 1b of the movable floor 1 with an adjustment bolt 33a through a pulley 25a fixed to the lower surface of the movable floor 1. Although not shown, a dome-shaped transparent or translucent roof is attached to the top of the device.

Next, to describe the operation of this embodiment, the first
In the state shown in the figure, the engaging body 4 is moved by the force of the spring 6 to the support column 2
It is in a state of being engaged with the engaged member 8 fixed in the groove a. From this state, as shown in FIG. 7, when the handle 12 of the rotating body 13 is lowered downward, the force of the spring 19 moves the rotating body 13 at a predetermined position, which is opposite to the positive direction (clockwise rotation) shown in FIG. direction (clockwise rotation), and the engagement return lever (lock lever) 1 is pressed against the engagement portion 11 of the rotating body 13.
5 is fitted into the rotating body 13, and the rotating body 13 is in a fixed state. Then, the pin 20 of the engaging body 4 is pulled by the wire rope 22, and the engaging pin 7 at the tip of the engaging body 4 is disengaged from the engaged member 8, thereby moving the movable floor 1 to the supports 23a, 23b, 23c, 23d. It becomes possible to descend along the groove.

The movable floor 1 has pillars 23a, 23b, 23c, 23
The engagement return lever 15 descends along the groove d.
When the lower end hits the ground, the engagement return lever 15 rotates around the pin 16, and the tip of the engagement return lever 15 automatically disengages from the engagement part 11 such as a notch of the rotating body 13, and the first Return to the state shown in the figure. Therefore,
When the rotating body 13 reaches a predetermined position on its way, the spring 1
It rotates in the positive direction (clockwise rotation) in FIG. 1 with a force of 7. Then, the wire rope 22 is loosened, the engaging body 4 is pressed against the engaged member 8 by the spring 6, and is automatically engaged with the engaged member 8 again.

After parking the vehicle on the movable floor 1, the electric motor 24 is activated to raise the movable floor 1. At this time, the engaging body 4 is urged by the rack-shaped buried engaging member 8 and hits the movable floor 1. When the movable floor 1 is stopped at a predetermined position, the pin 7 of the engaging body 4 is engaged with the engaged member 8 and acts to prevent it from sliding downward.

The multi-level parking device of this embodiment has the advantage that the present mechanism only needs to be placed in one location, whereas conventional devices need to be installed in multiple locations.

-Example 2- This example is different from the above-mentioned examples, and is a movable floor fall prevention mechanism of a multi-story parking device configured to automatically release the engagement state between the engaging body and the engaged member. It is.

Here, FIG. 9 is a schematic front view of the engaging member, the first
0 is a schematic vertical sectional view of FIG. 9, and FIG. 11 is a schematic side view of the engaged member. Note that the same numbers and symbols are given to the same parts or corresponding parts as in the first embodiment described above.

This embodiment consists of an engaging member 4, a connecting member 13 (corresponding to the rope 22 and rotating body 13 of the first embodiment), an engaging member having an engagement return lever (lock lever) 15, and an engaged member 8. It is configured.

The engagement member main body 34 is attached to the rear right support column 2 in FIG.
It is installed at the corner of the movable floor 1 corresponding to the groove 3a, and is formed by two plates 34, 34, between which an L-shaped engagement body 4, a connecting member 13 and an engagement return are installed. The levers 15 and 15 are respectively clamped and pivotally supported. In addition, one plate material 34
A guide roller 35 that rolls and moves up and down inside the groove of the support column 23a is disposed on the outside of the support column 23a. The L-shaped engaging body 4 is pivotally supported 4b at a bent portion 4a, and has an engaging pin 7 such as a roller or pin that engages with the engaged member 8 at the tip of the long side, and an engaging pin 7 such as a roller or pin that engages with the engaged member 8. The shaft 36 is supported by a link 13a that forms the connecting member 13 at the tip, and the shaft 36 and the plate 34 are connected by a spring 37, so that the engaging pin 7 is biased toward the engaged member 8. ing. The connecting member 13 is composed of a link 13a and a link 13b, and the rear end of the link 13a and the tip of the link 13b are supported by a shaft 38, and the rear end of the link 13b is connected between two plates 34, 34. The link 13a and the link 13b are pivotably supported by a pivot 39, and the link 13a and the link 13b are swingable about the pivot 39 as a fulcrum. Further, the rear end of the link 13b has an engaging portion 11 formed of a notch that engages with the engagement return lever 15. The engagement/return lever 15 is pivoted 40 at the center of the lever between two plates 34 , 34 , and a pin 41 disposed at the tip thereof is connected to the plate 34 by a spring 42 . The side is used as a fulcrum to constantly bias the connecting member 13 in the direction of the link 13b, and the rear end protrudes from the plate materials 34, 34, so that when the movable floor 1 descends and lands on the ground, etc. They are in contact with each other and are configured to swing about the shaft 40 as a fulcrum.

In FIG. 8, the engaged member 8 is a pillar 23a.
It is configured to be erected and fixed inside the groove along the support column 23a. Then, the engaged member 8
is formed of a rack, and is provided with a guide wall 44 at an upper end portion 43 for releasing the engagement state with the engagement body 4 described above. In other words,
An angle larger than the angle formed by the rack (while the angle of the rack is 30°, the angle of the guide wall 44 is
60°). In addition, the guide wall 4
At the location 4, a sensor is provided to detect the position of the movable floor 1 (the rising stop position of the movable floor, the disengagement position between the engaging body and the engaged member, etc.),
The movable floor 1 is configured to move by driving the electric motor 24 upon detection of the position by the sensor.

Next, to explain the operation of the present embodiment described above, when the movable floor 1 on which a car is parked is stopped at the raised position, the engaging body 4
The movable floor 1 is now engaged with the engaged member (rack) 8 fixed in the groove of the support column 23a with a force of 7. To lower it, electric motor 24
When the movable floor 1 is slightly raised by operating the movable floor 1, the engaging pin 7 of the engaging body 4 is guided to the guide wall 44 formed at the upper position of the rack-shaped engaged member 8, and the engaged member The biasing engagement with member 8 is released. That is, when the engaged state of the engaging body 4 and the engaged member 8 is shifted against the spring 37, the links 13a and 13b move, and the engaging portion 11 formed at the rear end of the link 13b moves. and engagement return lever 1
5 mesh (engage) with each other, and the engaging body 4 and the engaged member 8 are fixed in a disengaged state. When the sensor detects the release position, the electric motor 24 rotates in the reverse direction and the chain 25a
The movable floor 1 to which the chain 25a is fixed is moved to the supports 23a, 23b, 23c, 23d.
descend along the

When the movable floor 1 lands on the ground and the rear end of the engagement return lever 15 comes into contact with the ground, the shaft 4
0 as a fulcrum, its tip portion moves downward against the spring 42, and the engagement state between the tip portion of the engagement return lever 15 and the meshing portion 11 of the link 13b is released, thereby causing the spring 37 to work. . The links 13a and 13b and the engaging body 4 are connected to the shaft 39 and the shaft 3.
The engaged member (rack) 8 is biased by the spring 37 via the shaft 8 and the shaft 36, and the engaging pin 7 of the engaging body 4 and the engaged member 8 are brought into engagement.

Next, after parking the vehicle on the movable floor 1, when raising the movable floor 1, the electric motor 24 is activated and the chain 25a is wound up, so that the engaging body 4 can easily be attached to the engaged member. When the movable floor 1 is stopped at a predetermined position, the engaging pin 7 of the engaging body 4 is engaged with the engaged member 8 and slides downward. It acts as if there is no.

In the case of this embodiment, the engagement pin 7 of the engagement body 4 and the engaged member 8 are different from the mechanism of the first embodiment described above.
This has the advantage that the engagement state can be automatically released, and the structure is simpler.

It should be noted that the present invention is not limited to the above embodiments, and it is clear that modifications can be made without changing the gist of the present invention. Incidentally, the engaged member and the engaging member may be constructed by providing a support post between the two rear support posts, and the elastic force of each spring may be set to a desired state as appropriate. Further, the rotating body and the oscillating body (link) are not limited to the configuration shown in the embodiment, but may be configured with a cam configuration, or with three or more link mechanisms, for example. Good too.

[Effect of idea]

As is clear from the above description, according to the movable floor fall prevention device of the multistory parking system of the present invention, when a vehicle is parked on the movable floor, the movable floor does not slide down, and the movable floor can be reliably and stably prevented from falling. This has the effect of being able to stop the

Furthermore, the movable floor is not supported only by the ropes and chains, but also by the engaging parts, which prevents too much load from being applied to the ropes and chains, contributing to the prevention of accidents involving ropes and chains breaking. It is safe because even if the rope or chain breaks, it will prevent you from falling.

[Brief explanation of the drawing]

1 to 8 show one embodiment of the present invention, FIG. 1 is a side view, FIG. 2 is a perspective view of the engaging member, FIG. 3 is a plan view of FIG. 2, and FIG. 4 is a side view of the engaging member. Rear view of figure, 5th
The figure is a perspective view of the rotating body, Figure 6 is a plan view of Figure 5,
FIG. 7 is an explanatory diagram of the operation of the rotating body, FIG. 8 is a perspective view of an example of a multi-story parking system embodying this embodiment, and FIG.
11 show other embodiments of the present invention, FIG. 9 is a schematic front view of an engaging member, FIG. 10 is a schematic vertical sectional view of FIG. 9, and FIG. 11 is a schematic side view of an engaged member. It is a diagram. DESCRIPTION OF SYMBOLS 1... Movable floor, 4... Engaging body, 7... Engaging pin, 8... Engaged member, 13... Connecting member such as a rotating body or rocking body, 15... Engagement return lever, 23
...Strut.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) Supports are erected at the corners of a movable floor to hold the movable floor in a horizontal state, and the movable floor is moved vertically and horizontally along the supports. In the multi-story parking device, an engaged member is provided on the main body side of the multi-story parking device such as the support, and an engaging member is provided at one end of the movable floor, and the engaging member is biased and engaged with the engaged member. an engagement body, an engagement return lever that returns the engagement between the engagement body and the engaged member by contact with the ground, and the engagement body and the engagement return lever. The connecting member has a connecting member such as a rotating body or a rocking body, and the connecting member has an engaging part such as a notch that engages with the engagement return lever, and when the movable floor is lowered, the engaging member of the engaging member and the engaged member are released from the engaged state, and the engaging body and the engaged member are brought into the engaged state when the movable floor lands and rises. Movable floor fall prevention mechanism. (2) A movable floor fall prevention mechanism for a multi-story parking system according to claim 1, wherein the engaged member is easy and the engaging body of the engaging member is in the form of a pin or a roller.