JPH10231635A - Moving stand for stadium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the generation of a level difference based on the installation of wheels for movement, to lighten labor for the maintenance of the wheels for movement while extending the tolerance of the accuracy of finishing of the surface of a ground floor, and to fix a moving stand surely. SOLUTION: Rubber wheels 4 rolled on a ground floor 3 and a guide means 5 setting the direction of movement are mounted on the lower section of the moving stand 2. Jacks 7 moving the moving stand 2 by transmitting rotational driving force by a driving source for travelling to parts of a plurality of the rubber wheels 4 and fixing the moving stand 2 are arranged. Support corresponding to the increase of weight by the time of the fixation of the moving stand 2 and an audience is conducted by the jacks 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stadium moving stand.

[0002]

2. Description of the Related Art In a multi-purpose stadium such as baseball and soccer or an indoor stadium, a technical example 1: Japanese Patent No. 25300
No.72 “Circular Stadium Moving Stand”, Technical Example 2:
As disclosed in Japanese Utility Model Laid-Open Publication No. Sho 53-120833, "Equipment with Moving Seats", Technical Example 3: Japanese Patent Laid-Open Publication No. 59-091272, "Equipment for moving a stand in a stadium," Some of them can be moved.

[0003] Focusing on the stand moving technology in these technical examples, in Technical Example 1, a guide rail is laid on the ground floor of a stadium, and the stand is supported by a plurality of pneumatic tires. , And the setting of a fixed state and a movable state of the stand portion is performed by raising and lowering a plurality of manual jacks. In the technical example 2, a rail is provided in a groove dug in the ground, and the wheel is supported by the rail to turn the seat. In the third technical example, a guide portion is provided on a fence of a fixed stand, and a movable stand supported by wheels is turned.

[0004]

However, the above technical examples have the following unsolved problems. The use of pneumatic tires increases maintenance effort to maintain the air volume. When the rails are provided in the grooves, the grooves and the rails that are exposed when the movable stand is moved become obstacles for walking. Even when the guide portion is provided on the fence of the fixed stand, the movement of the movable stand portion exposes the guide portion, which may impair the aesthetic appearance and hinder the game.

[0005] The present invention has been made in view of such circumstances, and achieves the following objects. 1) To reduce the level difference caused by the moving wheels. 2) To reduce the maintenance effort for moving wheels. 3) Securely secure the mobile stand. 4) Eliminate the formation of irregularities that hinder walking and competition.

[0006]

[MEANS FOR SOLVING THE PROBLEMS] Below the moving stand,
A technique is employed that includes a plurality of solid rubber wheels that roll on the ground floor while the weight of the mobile stand is hung, and guide means for setting the moving direction of the mobile stand. The rotational driving force generated by the traveling drive source is transmitted to a part of the plurality of rubber wheels, and the moving stand is moved to a desired position. In the guide means, a guide groove formed on the ground floor, a guide rail arranged to be able to move up and down in the guide groove, and a pressure contact with a side surface of the guide rail attached to a lower portion of the movable stand to perform positioning. And a guiding wheel. The upper surface of the guide rail at the time of descending is set to the same level as the surface of the ground floor, and a technique is adopted in which the supporting weight reducing means lands on the ground floor when not in operation and fixes the movable stand. At the lower part of the moving stand, a jack for fixing the moving stand is arranged while supporting the weight of the moving stand during operation to reduce the weight supporting burden of the rubber wheel, and the weight supporting of the moving stand during moving, It is performed by rubber wheels, and when the mobile stand is fixed and the audience supports the weight increase by the jack.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a moving stand for a stadium according to the present invention will be described below with reference to FIGS. In the figure, S is a stadium, 1 is a fixed stand, 2 is a movable stand, 3 is a ground floor, 4 is a rubber wheel, 5 is a guide means, 6 is a driving source for driving (driving electric motor), 7 is a jack, 8 Is a power supply means.

The stadium S is, for example, an all-weather dome stadium. It has a function of switching to a baseball ground B, a soccer ground F or the like according to the purpose.

As shown in FIG. 1, the movable stand 2 is provided with two bow-shaped ones as a whole, and as shown in FIGS. 2 and 3, it is made of a steel material having excellent strength. A support frame 21, a stair-shaped spectator seat 22 disposed above the support frame 21, an access passage 23 disposed at a front portion or an intermediate portion of the spectator seat 22, and a support frame 21.
Has a rubber mat 24 for fence arranged on the front of the vehicle, a dugout 25, a photographer's seat 26, an entrance 27 and the like.

The rubber wheel 4 is attached to the support leg 21a of the support frame 21, and is capable of supporting at least the entire weight of the unmanned moving stand 2. The rubber wheel 4 is solidly formed of urethane rubber having high hardness. Is formed.

The guide means 5 is arranged along the arc shape of the fence 11 and has a guide groove 51 formed in the ground floor 3 as shown in FIGS. 2, 3, 7 and 8. A guide rail 52 disposed in the guide groove 51 so as to be able to move up and down, an actuator 53 for driving the guide rail 52 to move up and down, and a guide rail 52 attached to the lower support leg 21 a of the support frame 21. And a pair of guide wheels 54 that are pressed against the side surface to perform positioning in the radial direction of rotation.

The operating range of the actuator 53 is set so that the upper surface of the guide rail 52 of the guide means 5 is at the same level as the surface of the ground floor 3 when descending.

In addition, as shown in FIG. 8, a receiving groove 55 is formed in the ground floor 3 and a liner 57 is inserted into a U-shaped groove block 56 made of concrete or the like loaded in the receiving groove 55. The actuator 53 is disposed through the guide groove 5 in the space surrounded by the liner 57 through the support base 58.
1 is formed, and the tread plate 59 is provided.
With U-shaped grooved block 56 and liner 5 using bolts 59a or the like.
7, the slit s between the guide groove 51 and the guide rail 52 is set to a small gap that allows the guide rail 52 to move up and down, and the gap g between the edge of the accommodation groove 55 and the tread plate 59. When the guide rail 52 is set at the lower position as a small gap, the surface of the ground floor 3 and the upper surface of the step plate 59 of the guide rail 52 are set to be at the same level.

As shown in FIGS. 2 and 3, the traveling drive source 6 is connected to a part of the plurality of rubber wheels 4 and requires, for example, a rotational driving force of an electric motor. The number of revolutions is reduced and transmitted to some of the plurality of rubber wheels 4. Therefore, as shown in FIG. 6, the driving wheels a and the driven wheels b are arranged in a dispersed state.

As shown in FIGS. 2 and 3, the jack 7 is disposed on the support leg 21a of the support frame 21, and transmits the weight of the movable stand 2 to the ground floor 3 to thereby reduce the weight of the movable stand 2. This is to reduce the weight supporting burden of the rubber wheel 4 by supporting the weight increase by a spectator who is fixed or fully occupied, and a manual or electric jack is applied. Even in such a jack 7, as shown in FIG. 6, the jack 7 is disposed in a dispersed state under the support frame 21.

The power supply means 8 supplies power for operating the actuator 53, the driving source 6 or the jack 7 in the guide means 5. For example, a groove is formed on the wall of the fence 11 along the circumferential direction thereof. The electrical insulation is performed by making a sliding brush in contact with the power supply rail arranged in the groove and making an electrical connection, and by pulling out an electric cable or the like through a normally closed slit in the rubber mat for fence. Power is supplied without impairing the safety and safety.

Hereinafter, a case where the mobile stand 2 and the ground floor 3 are switched according to the purpose of the game will be described.

[Unlocking of Moving Stand] When the plurality of jacks 7 are gradually lowered to release the weight support of the moving stand 2, the weight load of the moving stand 2 by the rubber wheels 4 increases. The entire weight is supported by the rubber wheel 4.

[Rotating Movement of the Moving Stand] While the weight of the moving stand 2 is supported by the rubber wheels 4, the traveling drive source 6
Is operated to transmit the rotational force to the rubber wheels 4 serving as the driving wheels a, the guide wheels 54 are guided by the guide rails 52 of the guide means 5, and the movable stand 2 turns in the laying direction of the guide rails 52. Will be moved.

[Fixation of the moving stand] After the moving stand 2 is turned to the required position (for example, the state shown by a solid line in FIG. 1), the jack 7 is raised to support the weight of the moving stand 2. Most of the weight of the movable stand 2 is supported by the jack 7, and at this time, the jack 7 bears the function as an outrigger, and the movable stand 2 is fixed. Further, the elastic deformation of the rubber wheel 4 is reduced by reducing the supporting weight or releasing the supporting weight, thereby suppressing the occurrence of fatigue due to the elastic deformation.

[Movement Stand Swiveling Direction] As shown by arrows in FIG. 1, the pair of movable stands 2 are simultaneously swiveled in one direction, for example, to switch positions. Therefore, when the moving stand 2 is turned in accordance with the baseball ground B or the soccer ground F, the traveling distance between the pair is different. There is a relationship in which the traveling distance of the shorter traveling distance is increased, and the traveling distances of the pair of moving stands 2 are averaged by repeating the turning movement a plurality of times.

[0022]

The following effects can be obtained by applying the stadium moving stand according to the present invention. (1) By moving the moving stand with a plurality of rubber wheels, the characteristics of the moving wheels can be made uniform, and the unbalance of the supporting load due to the occurrence of the level difference can be reduced. (2) Compared with the case where pneumatic tires are used, the maintenance effort for the moving wheels can be reduced. (3) By adopting a solid rubber wheel and reducing the vertical movement of the wheel itself, the allowable range of the finishing accuracy of the ground floor surface can be expanded. (4) By supporting the mobile stand with the plurality of jacks when the movable stand is fixed and by supporting the weight increase by the audience, the weight support of the rubber wheels can be reduced, and the durability can be improved. (5) By supporting the entire weight of the movable stand with the plurality of jacks, the movable stand can be securely fixed. (6) By setting the upper surface of the guide rail when descending to the same level as the surface of the ground floor, it is possible to reduce unevenness that hinders walking and competition.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a moving stand of a stadium according to the present invention.

FIG. 2 is a front sectional view showing one embodiment of a moving stand of a stadium according to the present invention.

FIG. 3 is a view taken along line CC of FIG. 1;

FIG. 4 is a view taken in the direction of arrows D-D in FIG. 1;

FIG. 5 is a view taken along the line EE in FIG. 1;

FIG. 6 is an arrangement diagram of rubber wheels and jacks shown in FIG. 2;

FIG. 7 is a front sectional view of a rubber wheel, guide means and the like shown in FIG. 1;

FIG. 8 is a front sectional view of a guide unit and the like shown in FIG. 1;

[Explanation of symbols]

 S stadium B baseball ground F soccer ground 1 Fixed stand 2 Moving stand 3 Ground floor 4 Rubber wheels 5 Guide means 6 Running drive source (Electric motor for running) 7 Jack 8 Power supply means 11 Fence 21 Support frame 21a Support leg 22 Audience Seat 51 guide groove 52 guide rail 53 actuator 54 guide wheel 59 tread plate s slit g gap

Claims (5)

[Claims] 1. A plurality of solid rubber wheels (4) that roll on a ground floor (3) under the weight of the movable stand under the movable stand (2); A moving stand for a stadium, wherein guide means (5) for setting a moving direction are provided. 2. A traveling drive source (6) for transmitting a rotational driving force to move a movable stand (2) is connected to a part of the plurality of rubber wheels (4). The moving stand of a stadium according to claim 1. The guide means (5) includes a guide groove (51) formed in the ground floor (3), a guide rail (52) arranged in the guide groove so as to be movable up and down, and a moving stand (5). 3. The moving stand of a stadium according to claim 1, further comprising: a guide wheel (54) attached to a lower portion of (2) for pressing against a side surface of the guide rail to perform positioning. 4. The moving stand of a stadium according to claim 3, wherein the upper surface of the guide rail (52) when descending is set at the same level as the surface of the ground floor (3). 5. A jack (7) under the movable stand (2) for supporting the weight of the movable stand during operation to reduce the weight supporting burden of the rubber wheels (4) and for fixing the movable stand. The moving stand of a stadium according to claim 1, 2, 3 or 4, wherein