JP2000282698A - Moving stand - Google Patents

Abstract

(57) [Summary] [Problem] To install stair units manually and easily even during use of an arena. A moving stand (2) movable on a ground floor (3), and a storage section (7) having an opening (9) on one surface.
And an opening 9 on the ground floor 3 arranged in the storage section 7.
And a staircase unit 6 that rolls freely through the space.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile stand in a stadium, and more particularly to a mobile stand having stairs for ascending and descending with a ground floor.

[0002]

2. Description of the Related Art For example, in a multipurpose stadium such as baseball or soccer or an indoor stadium, Japanese Patent Publication No. 2530072
No. "Movement stand for circular stadium", Shokai 53-
As shown in "Equipment with a moving spectator seat" in JP-A-120833 and "Mounting device for a stand in a stadium" in JP-A-59-091272, etc. Stands and movable seats) can be moved relative to the ground floor.

[0003] In this mobile stand, stairs are installed to get down from the grandstand to the ground floor in an emergency or the like. As this kind of stairs, a portable stair unit stored in a place different from the moving stand was used by being wrapped around the moving stand as needed.

[0004]

However, the conventional moving stand as described above has the following problems. If the floor height in front of the seat is large, the portable staircase unit itself becomes large, sometimes weighing as much as one ton. Therefore, since it is impossible to operate the stair unit manually, a lifting machine such as a mobile crane or a forklift is required. However, the stair unit may be installed even during an event using the arena, and in such a situation, it is extremely difficult to install the stair unit using a large lifting machine.

The present invention has been made in consideration of the above points, and has as its object to provide a mobile stand that can easily and stably install a stair unit even during use of an arena. Things.

[0006]

In order to achieve the above object, the present invention employs the following constitution. The moving stand according to claim 1, wherein the moving stand is movable on a ground floor, and has a storage unit having an opening on one surface;
A stair unit arranged in the storage section and rolling on the ground floor via the opening so as to be able to come and go freely.

Therefore, in the mobile stand of the present invention, when the stair unit is not used, the stair unit can be stored in the storage section. When the stair unit is used, the stair unit can be pulled out from the storage section through the opening by rolling the stair unit on the ground floor.

[0008] The mobile stand according to the second aspect is the first aspect.
In the mobile stand described above, the stair unit includes a plurality of divided bodies that are vertically divided so as to roll on the ground floor.

Therefore, in the moving stand of the present invention, the divided bodies can be stored in the storage section in a state of being vertically overlapped. Therefore, the length of the storage section in the depth direction can be reduced.

The mobile stand according to the third aspect is the second aspect.
In the moving stand according to the present invention, at least one of the divided bodies rolls with the other divided body as a guide.

Therefore, in the moving stand according to the present invention, when the divided body rolls, the other divided body is used as a guide, so that the rolling stand can be smoothly rolled. In addition, by using the divided body as a guide, it is not necessary to separately provide a guide member.

[0012] The moving stand according to the fourth aspect is the first aspect.
4. The moving stand according to any one of items 1 to 3, further comprising an elevating device that moves the stair unit up and down in the storage unit.

Therefore, in the moving stand according to the present invention, the stair unit can be prevented from coming into contact with the ground floor by moving the moving stand by raising the stair unit in the storage portion. By lowering the stair unit on the ground floor, the stair unit can be used.

According to a fifth aspect of the present invention, there is provided a mobile stand.
In the moving stand according to any one of Items 1 to 4, a handrail is detachably provided on the stair unit.

Therefore, in the moving stand according to the present invention, the handrail is attached to the stair unit when the stair unit is used, and the handrail is detached from the stair unit when the stair unit is stored in the storage unit. Height can be reduced.

The mobile stand according to the sixth aspect is the first aspect.
5. The mobile stand according to any one of items 1 to 4, wherein a handrail is provided on the stair unit so as to be freely foldable.

Therefore, in the moving stand according to the present invention, the handrail is raised when the stair unit is used, and when the stair unit is stored in the storage portion, the height of the stair unit is reduced by folding the handrail. be able to.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a mobile stand according to the present invention will be described with reference to FIGS. FIG. 2 is a plan view of a stadium on which the mobile stand of the present invention is provided. The stadium S is, for example, an all-weather dome stadium. The stadium S includes a fixed stand 1 and movable stands 2 and 2 that can move on a ground floor 3 along a fence 1 a of the fixed stand 1. Is switched to baseball ground B or soccer ground F according to the purpose of the game.

That is, the state shown in FIG. 2 shows a state in which the mobile stands 2 and 2 are at predetermined positions on the side of the soccer ground F when playing soccer at the stadium S, and is not shown when playing baseball. The moving stands 2 are moved to predetermined positions indicated by two-dot chain lines 2 and 2 by the moving mechanism and locked. The moving positions of the moving stands 2 and 2 are not limited to these two types.

Each of the movable stands 2 is formed in a substantially arcuate shape in a plan view, and as shown in FIG. 1, a stepped audience member is provided on an upper part of a support frame 4 made of a steel material having excellent strength. Seat 5 is provided. As shown in FIG. 3, a storage section 7 for storing the stair unit 6 is provided below the support frame 4 so as to be located between the plurality of support legs 8 of the support frame 4.

A guide member 12 having a vertical surface 12a at the tip and having a T-shaped cross section is provided on the storage portion 7 side of each support leg 8.
As shown in FIG.
The pair is fixed so as to extend in the direction (in FIG. 1, the left-right direction), and to sandwich the stair unit 6 as shown in FIG. The opening 9 is formed in the storage part 7 so as to open toward the front (one side) of the support frame 4, and is configured to be opened and closed by a door (not shown) having a rubber mat for fence attached to the front. Has become.

FIG. 4 is a view showing the extended stair unit 6. As shown in this figure, the step unit 6 is divided into three (plural) divided bodies 6a, 6b in the vertical direction,
6c. The divided body 6a has a step portion 16a.
And a leg 15a vertically suspended to support the step 16a. Steps 16a
The upper side is rotatable by a small angle around the horizontal axis 24, and a rigging screw 30 is provided between the rotation tip side and the leg 15a. The leg 15a is supported by a support frame 14a that extends in the horizontal direction along each guide member 12. In the support frame 14a,
The outriggers 23, 2 are located at the lower ends of the legs 15a.
3 are provided. Each outrigger 23 is provided with a screw jack 23a that is manually raised and lowered.
Most of the weight relating to the divided body 6a can be supported via the "a". Also, as shown in FIG.
4a has a rubber vertical roller 19a and a horizontal roller 20a.
Are provided. The vertical rollers 19a roll around the horizontal axis so as to advance and retreat toward the opening 9 side. As shown in FIG. 4, two vertical rollers 19a are provided on each support frame 14a at predetermined intervals. I have. Horizontal roller 20a
Are arranged on the vertical surface 12a of the guide member 12, and are provided at predetermined intervals so as to abut on the vertical surface 12a even when the divided body 6a is pulled out from the storage section 7. In the divided body 6a, handrails 17a are detachably provided on both sides in the width direction of the step portion 16a.

As shown in FIG. 3, the divided body 6b is arranged in a space formed by the step 16a and the leg 15a of the divided body 6a, and is vertically extended so as to support the step 16b and the step 16b. And a leg portion 15b vertically provided at the bottom. Each leg 15b is supported by a support frame 14b extending in the horizontal direction along each guide member 12. Each leg 15b is provided on the support frame 14b.
Outriggers 23, 23 are provided at the lower end of the. The support frame 14b is provided with a vertical roller 19b and a horizontal roller 20b made of rubber. The vertical roller 19b rolls forward and backward about a horizontal axis toward the opening 9 side.
b are provided two at a predetermined interval. The horizontal roller 20a rolls on the support frame 14a of the divided body 6a, and is provided at a predetermined interval so as to be in contact with the support frame 14a even when the divided body 6b is pulled out from the storage unit 7. ing. Also, in the divided body 6b,
Handrails 17b are detachably provided on both sides in the width direction of the stairs 16b.

The divided body 6c is formed by the step portion 16 of the divided body 6b.
b, is arranged in a space formed by the legs 15b, and is composed of a step 16c and legs 15c vertically suspended to support the step 16c. Leg 15
c is supported by a support frame 14c that extends in the horizontal direction along each guide member 12. The support frame 14c has a front end side of the stair portion 16c and legs 15c.
Outriggers 23, 23 are provided at the lower end of the. The support frame 14c is provided with rubber vertical rollers 19c and horizontal rollers 20c. The vertical roller 19c rolls around the horizontal axis toward the opening 9 so as to be able to advance and retreat.
Two are provided at a predetermined interval in c. The horizontal roller 20c rolls on the support frame 14b of the divided body 6b, and is provided at a predetermined interval so as to be in contact with the support frame 14b even when the divided body 6c is pulled out of the storage unit 7. ing. These stairs 16a-1
6c are provided so as to extend between the ground floor 3 and the support frame 4 and to have a predetermined gap between adjacent stairs. In the divided body 6c, handrails 17c are provided detachably on both sides in the width direction of the step portion 16c.

On the other hand, the storage unit 7 is provided with a lifting device 31 for raising and lowering the stair unit 6. As shown in FIG. 5, the lifting device 31 includes a manual hydraulic jack 35 having a lower end fixed to the support leg 8 via a connecting plate 33 and an upper end of the cylinder fixed to the connecting plate 34;
A shaft body 37 integrally fixed to the cylinder via a connecting plate 34 and a nut 36 and slidably held in a vertical direction on a holding frame 39 provided on the support leg 8;
And a fork 38 having a rectangular shape in a plan view and fixed to the lower end of the front end and extending in the direction toward the opening 9.

As shown in FIG. 6, the hydraulic jack 35
The fork 38 is arranged in the middle in the length direction, and the shaft bodies 37 are arranged in pairs so as to sandwich the hydraulic jack 35. Further, as shown in FIG. 7, the hydraulic jack 35, the shaft 37
Are arranged along one side edge of the fork 38. Then, as shown in FIG. 5, the width of the fork 38 is set to a value that supports only one side of each of the vertical rollers 19a to 19c of the divided bodies 6a to 6c.

A method of using the stair unit 6 in the mobile stand 2 having the above configuration will be described below. As shown in FIG. 1, in advance, the stair unit 6 separates the lower support portion 23 b of the outrigger 23 from the ground floor 3,
With the handrails 17 removed, they are stacked vertically and stored in the storage unit 7. At this time, the stair unit 6
As shown in FIG. 6, it is placed on a fork 38 and lifted away from the ground floor 3.

When the stair unit 6 is used, after the door is opened, the hydraulic jack 35 is operated, and the fork 38 is lowered via the connecting plate 34 and the shaft 37 to land on the ground floor 3. . Here, when the artificial turf is not laid on the ground floor 3 in the storage section 7, a rubber mat having a predetermined thickness is laid beforehand at a position where the fork 38 lands. When the fork 38 arrives on the floor, an inclined plate 40 that is inclined toward the opening 9 is laid in accordance with the end face of the fork 38 on the opening 9 side.

Subsequently, the divided body 6c located at the lower part of the staircase unit 6 is moved by a predetermined amount such that the horizontal roller 20c does not come off the rolling state of the divided body 6b onto the support frame 14b. Pull it out to the front as a guide. Accordingly, the vertical roller 19c of the divided body 6c rolls on the fork 38, the inclined plate 40, and the ground floor 3, and stops at a predetermined position. Then, similarly, the divided bodies 6b and 6a are sequentially pulled out to the position where the divided body 6c is stopped. At this time, the divided body 6b is
b rolls on the support frame 14a of the divided body 6a, and the divided body 6a is connected to the vertical surface 1 of the guide member 12 by the horizontal roller 20a.
By rolling on 2a, left and right sideswing is prevented, and each is smoothly pulled out. The weights of the divided bodies 6a to 6c are supported by the vertical rollers 19a to 19c, respectively.

Next, the divided body 6c is pulled out again from the storage portion 7 and stopped at a position where the divided body 6a is arranged as a step. Similarly, divided body 6b, divided body 6a
Are sequentially pulled out to the position where the divided body 6c is stopped. As a result, the divided body 6a stops at a predetermined position. further,
The divided bodies 6c and 6b are pulled out to a position where the divided bodies 6b are arranged as steps, and stopped. As a result, the divided body 6b stops at a predetermined position. Thereafter, the divided body 6c is pulled out to a position where it is arranged as a stair and stopped. As a result, all of the divided bodies 6a to 6c stop at the predetermined positions.

After confirming that the divided bodies 6a to 6c are pulled out to predetermined positions, the divided bodies 6a to 6c are fixed by a fixing mechanism (not shown), and the screw jack 23a is manually extended at the outrigger 23, and Support part 2
3b is grounded to the ground floor 3. At this time, when artificial grass is laid at the position where the stair unit 6 is arranged, an iron plate or the like is laid beforehand at the position where the outrigger 23 is grounded. Subsequently, in the divided body 6a, the rigging screw 30 is adjusted to make the corrugated floor horizontal. After that, by attaching the handrails 17a to 17c to the divided bodies 6a to 6c, the setting of the stair unit 6 is completed, and the vertical movement between the audience seat 5 and the ground floor 3 becomes possible.

When the stair unit 6 is to be stored in the storage section 7, the outrigger 23 is contracted, the handrails 17a to 17c are removed from the divided bodies 6a to 6c, and then the divided bodies 6a to 6c are sequentially removed in the reverse procedure. Push it into the storage unit 7. And
Each of the divided bodies 6a to 6c is connected to a fork 38 via an inclined plate 40.
Push up. Note that the inclined plate 40 is not always necessary, and may be configured such that an inclined surface is formed on the end surface of the fork 38 on the opening 9 side. Thereafter, the hydraulic jack 35 is operated to move the vertical roller 19 (19a) as shown in FIG.
19c) is lifted and separated from the ground floor 3 and then fixed to the movable stand 2 by a fixing mechanism (not shown). Thus, the storage of the stair unit 6 is completed.

In the mobile stand according to the present embodiment, the stair unit 6 can be moved manually, so that the stair unit 6 can be easily installed even when using the arena. For this reason, a hoist or the like becomes unnecessary, and equipment costs can be reduced. In addition, since the stair unit 6 is stored in the storage section 7 provided below the support frame 4, it is not necessary to transport the stair unit 6 from another storage section, and the stair unit 6 can be quickly moved in and out in a short time. it can.

In the mobile stand according to the present embodiment,
Even when the stair unit 6 is stored in the storage unit 7, the stair unit 6 is raised and separated from the ground floor 3, so that the stair unit 6 and the ground floor 3 can be in contact with each other without damaging the moving stand 2. Can be moved.

Further, in the moving stand of the present embodiment, the stair unit 6 is vertically divided into the divided bodies 6a to 6c, so that the stair unit 6 can be vertically stacked and stored in the storage direction (in the horizontal direction in FIG. 1). ), The depth dimension can be made smaller, and more compact storage is possible.

In the moving stand of the present embodiment, the horizontal roller 20a of the divided body 6a rolls on the guide member 12, and the horizontal rollers 20b, 20c of the divided bodies 6b, 6c.
Are the support frames 14a, 1
By rolling the 4b, the stair unit 6 is used as a guide in the left and right direction when the stair unit 6 is pulled out. In addition to smooth pulling out, there is no need to provide a separate guide member. Can be realized.

In the mobile stand according to the present embodiment,
Since the handrails 17a to 17c are detachable from the divided bodies 6a to 6c, the height of the staircase unit 6 at the time of storage can be reduced. The same effects as described above can be obtained even if the handrails 17a to 17c are not detachable but can be folded inside the stair unit 6 in the width direction.

In the above embodiment, the staircase unit 6 is divided, but the invention is not limited to this. The staircase unit 6 is not divided depending on the height of the audience seat 5 or the size of the storage unit 7 in the depth direction. An integrated structure may be used.

In the above-described embodiment, the structure in which the stair unit 6 is inserted into and out of the movable stand 2 is shown. However, the stair-shaped audience seat 5 has the same unit structure as the stair unit 6, and this audience seat is The present invention can also be applied to a unit in which the unit is moved in and out of the fixed stand 1.

[0040]

As described above, in the moving stand according to the first aspect, the storage section has an opening on one surface, and the stair unit stored in the storage section rolls on the ground floor to open the opening. It is configured to be able to come and go through the. This makes it possible for the mobile stand to move the stair unit manually, and to easily install the stair unit even when the arena is in use. Can be reduced. In addition, an effect that the stair unit can be taken in and out quickly can be obtained in a short time.

The moving stand according to the second aspect is configured such that the stair unit is divided into a plurality in the vertical direction.
Thus, in the movable stand, the stair units can be stacked vertically in storage, so that the depth dimension can be reduced in the storage direction, and an effect that the storage can be stored more compactly is obtained.

The moving stand according to claim 3 is configured such that at least one of the divided bodies rolls with the other divided body as a guide. As a result, in this mobile stand,
In addition to the ability to smoothly pull out the divided body, there is no need to provide a separate guide member, and the effect of achieving downsizing of equipment and reduction of equipment cost can be obtained.

According to a fourth aspect of the present invention, there is provided a moving stand, wherein the elevating device moves up and down the stair unit in the storage section. Thereby, in the moving stand, the stair unit can be separated from the ground floor when stored, and an excellent effect that the moving stand can be moved without being damaged due to contact between the stair unit and the ground floor is exhibited. Things.

The moving stand according to the fifth aspect is configured such that a detachable handrail is provided on the stair unit.
As a result, in this movable stand, there is an effect that the height of the staircase unit when stored can be reduced.

The moving stand according to the sixth aspect has a structure in which a stair unit is provided with a foldable handrail. As a result, in this movable stand, there is an effect that the height of the staircase unit when stored can be reduced.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment of the present invention, and is a front view in which a divided staircase unit is stored in a storage unit.

FIG. 2 is a plan view of a stadium where a mobile stand according to the present invention is arranged.

FIG. 3 is a left side view of FIG.

FIG. 4 is a view showing the embodiment of the present invention, and is a front view in which a staircase unit is pulled out of a storage unit.

FIG. 5 is a view showing an embodiment of the present invention, and is a partially enlarged view showing a supporting state of a lifting device and a roller.

FIG. 6 is a front view of the lifting device.

FIG. 7 is a plan view of the lifting device.

[Explanation of symbols]

 2 Moving stand 3 Ground floor 6 Stair unit 6a, 6b, 6c Divided body 7 Storage section 9 Opening 17a, 17b, 17c Handrail 31 Lifting device

Claims (6)

[Claims] 1. A movable stand movable on a ground floor, comprising: a storage portion having an opening on one surface; and a rolling stand disposed in the storage portion and rotatable on the ground floor via the opening. And a stair unit. 2. The mobile stand according to claim 1, wherein the stair unit has a plurality of divided bodies each vertically divided so as to roll on the ground floor. . 3. The moving stand according to claim 2, wherein at least one of the divided bodies rolls with another divided body as a guide. 4. The moving stand according to claim 1, further comprising a lifting device that moves the stair unit up and down in the storage unit. 5. The moving stand according to claim 1, wherein a handrail is detachably provided on the stair unit. 6. The mobile stand according to claim 1, wherein a handrail is foldably provided on the stair unit.