JPH036747Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The invention relates to movable bleachers for multipurpose halls used for various events such as baseball, field games, soccer games, tennis, concerts, trade fairs, and gatherings. .

[Prior Art] In recent years, construction of all-season, all-season type multipurpose halls has been planned in order to provide a base for international exchange through music and sports, and to make effective use of facilities. Each event in this multipurpose hall has its own unique format, and the seats in particular require a variety of functions in order to be versatile. For example, adjustment of the number of tiered beds, adjustment of width, ease of relocation, compact size, etc. are also required, as well as economic efficiency and workability.

Currently, there are two to three types of movable seats in multipurpose halls, including rail-type movable seats and retractable tiered seats.

[Problems to be solved by the invention] However, in the former method, regular shaped seats are relocated along a limited rail, and therefore seats cannot be arranged according to various events. In addition, the latter has a complicated mechanism and is not well managed in large-scale facilities such as baseball stadiums, so it is prone to breakdowns due to debris getting caught in it, requires a great deal of effort to maintain, and causes damage to the ground surface. There are problems with driving during land relocation.

The present invention was made in order to provide a movable grandstand that can be easily relocated, can be easily and compactly stored and expanded, and can be widely applied to various events.

[Means for solving the problem] The present invention divides a stair-type stand that goes down toward the front at predetermined intervals in the left-right direction into a plurality of stand units, and divides the stand unit into a plurality of stand units that move forward and backward. The stand section is divided into a plurality of stand sections at predetermined intervals in the direction, and the size of each stand section is determined so that the front stand section fits into the rear stand section, and a running wheel is provided on the pedestal section of each stand section. A connecting portion to which a towing vehicle can be connected is provided at the front end of each stand.

[Function] When relocating, the stand sections other than the rearmost stand section are pushed backwards by a towing vehicle such as a ground work vehicle, stored in the rearmost stand section to make it compact, and then towed all at once by the towing vehicle. and move it to the designated location. Once moved to the designated location, the towing vehicle pulls out the front stand from the rearmost stand.

[Example] Embodiments of the present invention will be described below based on the drawings.

Figures 1 to 3 show the structure of the movable seats provided on the ground 1 of the multipurpose hall.The stair-type stand 2, which goes down as you go forward, is divided into multiple seats at predetermined intervals in the left and right direction. The stand unit 3 is divided into four stand units 2 to 2 by dividing the stand unit 3 at predetermined intervals in the front and back direction.
It is divided into The stand parts 2 to 2 are provided with a fixed seat 5 on a stepped floor part 4,
The front end side of the stepped floor section 4 of 2 to 2 is rotatably attached to the pedestal section 8 via a horizontal shaft 7, and the rear end side is detachably connected to the pedestal rear column by a support pin 9. Each of the stand parts 2 to 2 is provided with running wheels 10 at both front and rear ends of the pedestal part 8.

The stand parts 2 to 2 are equipped with a winch (not shown) for raising and lowering the tiered floor, and the rear end of the tiered floor portion 4 is raised and lowered by winding and unwinding the wire of the winch, and the tiered floor portion is raised and lowered around the horizontal axis 7. It is designed to be able to rise and fall. And stand parts 2 to 2 so that the front stand part can be stored in the rear stand part.
The size of the stand portion 2 is determined so that the stand portions 2 to 2 can ultimately be stored within the stand portion 2 at the rearmost portion.

A running wheel box 11 provided on the frame portion 8 to rotatably support the running wheel 10 is provided with a screw jack 12, which is used when the stand portion is set in a fixed position. It has the role of a stopper that lifts the running wheel 10 above the ground 1 and takes the load, and has a height adjustment function.

Furthermore, as shown in FIG. 7, each of the stand sections 2 to 2 is integrally provided with a traction frame connecting bracket 13 on both sides of the front end, and is attached to the front of a ground work vehicle 14 used for moving the spectator seats on the ground and other operations. A towing bracket 15 is fixed to the towing bracket 15, a towing frame 17 is attached to the towing bracket 15 via a vertical pin 16 so as to be freely pivotable in the horizontal direction, and the front stand parts 2 to 2 are attached to the rearmost stand part 2.
The towing frame 17 and each of the connecting brackets 13 are removably connected to each other by connecting pins 18 in a state in which the stand unit is housed, so that the stand unit can be towed to a predetermined position on the ground plane. The ground work vehicle 14 is equipped with a crane 19 so that it can perform crane work in addition to towing work.

In this embodiment, a non-travelable stand portion 20 is provided at the front of each stand unit 3.

Then, a removable passage floor plate 21 having the length of one stand is passed between each of the stand parts 2 to 2 of the adjacent stand units 3 and between the frontmost adjacent stand part 20, so that the passageway can be moved forward and backward. A safe passage 6 is formed, and a gap 22 is formed between the left and right adjacent stand parts. 6' indicates a passageway in the left and right directions, 23 indicates fixed seats, and 24 indicates a net.

A procedure for moving the movable seats configured as described above to a predetermined position on the ground 1 in accordance with the event will be explained.

(a) The net support frame 25 is removed from the stand section 20 and lifted up by the crane 19 of the ground work vehicle 14 and stored in a warehouse or the like.

(b) Next, lift the handrail 26 with the crane 19,
Place it on the body of the ground work vehicle 14.

(c) Similarly, lift up the passageway bottom plates 21 on both sides of the stand section 20 using the crane 19 and place them on the body of the ground work vehicle 14.

(d) Similarly, lift the stand section 20 using the crane 19 and load it onto the vehicle body.

(e) Similarly, use the crane 19 to lift the passageway bottom plates 21 on both sides of the stand section 2 and load them onto the vehicle body.

(f) Retract the screw jack 12 of the stand section 2 to ground the running wheel 10.

(g) Connect the connecting bracket 13 at the tip of the stand portion 2 to the traction frame 17 of the ground work vehicle 14 using the connecting pin 18.

(h) Support pin 9 from the stepped floor part 4 of the stand part 2
is pulled out, and the winch of the stand part 2 is rewound to lower the rear part of the stepped floor part 4. The rear part of the stepped floor portion 4 may be lifted down by the crane 19 without using a winch.

(i) Move the ground work vehicle 14 forward and store the stand section 2 inside the stand section 2.

(j) Repeat steps (e) to (i) for the stand sections 2 and 2, and finally connect the stand sections 2 and 2 to the ground work vehicle 14 as shown in Figure 4, and place them in the stored state. Tow it into place and set it.

(k) After confirming that it is correctly set on the marking on the ground surface, extend the screw jack 12 of the stand section 2 to lift the running wheel 10 above the ground 1 and transfer the load to the screw jack 12. This serves as a brake to prevent the stand portion 2 from moving when the stand portions 2, 2, etc. are pulled out.

(l) Remove the connecting pin 18 from the connecting part between the towing frame 17 and the stand part 2.

(m) Reverse the ground work vehicle 14 and pull out the stand parts 2, 2, 2 as one body from inside the stand part 2.

(n) Screw jack 1 of stand section 2
Extend 2.

(o) Remove the connecting pin 18 that connects the towing frame 17 and stand section 2.

(p) Reverse the ground work vehicle 14 and pull out the stand parts 2, 2.

(q) Wind up the winch of the stand part 2, lift up the rear part of the stepped floor part 4 of the stand part 2, insert the support pin 9, and set it to the required slope.

(r) Then, pull out the stand part up to 2 in order and set it.

(s) The stand section 20 loaded on the body of the ground section work vehicle 14 is set in a predetermined position using the crane 19.

(t) The aisle floor plate 21 remains loaded on the vehicle body when the stand unit 3 in the center is set for the first time, but when setting the stand unit 3 adjacent to it, Set between stand units in reverse order.

The other stand units are also moved to predetermined positions, unfolded, and assembled using the above procedure.

When holding a trade show, stand section 2 at the rear
Then, the front stand parts 2 to 2 are stored in the above procedure, and the frontmost stand part 20 is propped up against the front as shown in FIG. 6, so that the ground 1 can be widely used. When leaning the stand part 20, the rear leg part of the stand part 20 is turned over 180 degrees so that the leg part is on the seat side.

FIG. 8 is a plan view showing another embodiment of the connection between the front end of each stand and the ground work vehicle 14, in which the cylinder 27 is used and the inside of the thick tube 28 is thick enough to accommodate the cylinder tube. This is a method in which a cylinder rod is attached to the stand unit 3 and is installed symmetrically from the center of the stand unit 3 so as to pass through the towing frame 17 and the towing frame connection bracket 13. According to this method, the ground work vehicle 1
The connecting portion can be attached and detached by expanding and contracting the thick tube 28 by remote control on the tube 4.

[Effects of the invention] According to the invention, as described above, (i) the stepped stand is divided into a plurality of stand parts at predetermined intervals in the front-rear direction and the left-right direction, and the front part is placed in the rearmost stand part. (ii) Since the stand can be stored, the grounds can be used widely for large-scale trade shows that do not require spectator seats. (iii) Since it is divided horizontally at predetermined intervals, it is possible to arrange the seats to suit events of all sizes; (iv) In addition to being transported, it can also be stored and unfolded using a ground work vehicle. (v) A connecting part is provided at the front end of the stand, so there is no need to get into the bottom of the stand when attaching or detaching, and it also makes it easier to perform ground work. Because the installation and removal work can be confirmed from the vehicle or remotely controlled, it can produce excellent effects such as allowing work to be carried out safely and efficiently.

[Brief explanation of the drawing]

Figure 1 is a plan view of the movable bleachers of the present invention, Figure 2 is a side view of the stand unit seen from the - direction in Figure 1, Figure 3 is a view in the direction of the arrow in Figure 2, and Figure 4 is the ground. A plan view of the vehicle being towed by a working vehicle, FIG. 5 is a side view of the same, FIG. 6 is a side view showing the stored state, FIG. 7 is an enlarged side view of the connection between the towing vehicle and the front end of each stand, and FIG. 8 FIG. 7 is a plan view showing another embodiment of the connecting portion. 1 is the ground, 2 is the stepped stand, 2~2
1 is a stand part, 3 is a stand unit, 10 is a running wheel, 13 is a towing frame connection bracket,
14 is a ground work vehicle, 17 is a towing frame,
18 indicates a connecting pin.

Claims (1)

[Scope of utility model registration request] A stair-type stand that goes down as you go forward is divided into a plurality of stand units by dividing it at predetermined intervals in the left-right direction, and the stand unit is divided at predetermined intervals in the front-rear direction into a plurality of stand parts. The size of each stand section is determined so that the front stand section fits into the rear stand section, and a running wheel is provided on the pedestal section of each stand section, and a connecting section to which a towing vehicle can be connected to the front end of each stand section. A movable viewing seat characterized by the provision of.