KR20150128437A - Omni-directional treadmill - Google Patents

Omni-directional treadmill Download PDF

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Publication number
KR20150128437A
KR20150128437A KR1020140055817A KR20140055817A KR20150128437A KR 20150128437 A KR20150128437 A KR 20150128437A KR 1020140055817 A KR1020140055817 A KR 1020140055817A KR 20140055817 A KR20140055817 A KR 20140055817A KR 20150128437 A KR20150128437 A KR 20150128437A
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KR
South Korea
Prior art keywords
drive
driving
drive shaft
balls
shafts
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KR1020140055817A
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Korean (ko)
Inventor
김용훈
구경본
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김용훈
구경본
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Priority to KR1020140055817A priority Critical patent/KR20150128437A/en
Publication of KR20150128437A publication Critical patent/KR20150128437A/en

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/20—Input arrangements for video game devices
    • A63F13/21—Input arrangements for video game devices characterised by their sensors, purposes or types
    • A63F13/211—Input arrangements for video game devices characterised by their sensors, purposes or types using inertial sensors, e.g. accelerometers or gyroscopes
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/20—Input arrangements for video game devices
    • A63F13/21—Input arrangements for video game devices characterised by their sensors, purposes or types
    • A63F13/214—Input arrangements for video game devices characterised by their sensors, purposes or types for locating contacts on a surface, e.g. floor mats or touch pads
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/80—Special adaptations for executing a specific game genre or game mode
    • A63F13/816—Athletics, e.g. track-and-field sports
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A63B2022/0271—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills omnidirectional

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The present invention relates to a treadmill used for a virtual reality game or the like and, more specifically, relates to an omni-directional treadmill capable of stably forming walking, running, jumping, etc. of a user while the virtual reality game or the like is performed; surely preventing the user from being separated to the outside of a frame. The omni-directional treadmill of the present invention comprises: a ball array wherein a plurality of balls are separated at regular intervals, and arranged in a row and a column structure; a frame to accommodate the balls to be able to rotate at regular intervals; a first driving unit to rotate balls of a column unit between the balls along a first direction; and a second driving unit to rotate balls of a row unit between the balls along a second direction. The first driving unit includes a plurality of first driving shafts to deliver a driving force by being along a direction which is at right angles to the first direction to rotate the balls of the column unit in a direction facing a center of the frame from the first direction. The second driving unit includes a plurality of second driving shafts to deliver the driving force by being arranged in a direction which is at a right angle to the second direction to rotate the balls of the row unit in the direction facing the center of the frame. The first and second driving shafts are rotatably in contact with the outer side of the ball in a state of no interference.

Description

[0001] OMNI-DIRECTIONAL TREADMILL [0002]

The present invention relates to a treadmill for use in a virtual reality game and the like. More particularly, the present invention relates to a treadmill for use in a virtual reality game or the like, and more particularly, To the forward treadmill.

Virtual reality refers to a human-computer interface that allows a user to implement a specific environment or situation as if the user is interacting with the actual environment or environment.

The purpose of use is to allow people to show and manipulate the environment as if they were in the environment without ever having to experience it in a day-to-day environment. Specific examples include pilot training for tank aircraft, layout design of furniture, surgical training, and games. In a virtual reality system, the human participants and the actual virtual workspace are interconnected by hardware. Also, it helps the participant to visually feel what is happening in the virtual environment, and uses auditory tactile sense as auxiliary.

The system can detect changes in the user's viewpoint or operation and give appropriate changes corresponding to the changes to the virtual environment. In order to enhance the user's sense of reality, effectors such as a stereoscopic display device and a head-mounted display device are used. In order to detect a user's reaction, a data glove, a head position sensor A sensor of the < / RTI >

In addition, the treadmill is used to overcome the limitation of the physical movement space as well as realize the moving problem realistically in the virtual reality situation.

The treadmill is structured to allow the system to more effectively recognize movements such as walking, jogging, and jumping by the user, and in particular, to stably implement the movement of the user.

However, since the conventional treadmill has a very complicated structure, it is very difficult to commercialize the treadmill due to its very high manufacturing cost, and even if the structure is simple with a slippery bottom plate and the like, A safety holding device or the like is mounted, the feeling of comfort and the degree of freedom of operation are lowered.

In addition, in a conventional treadmill, there is a disadvantage that a user may fall off to the outside of the frame while the user moves on the treadmill, and there is a high risk that the user falls down and is injured.

US 7780573 B1 (Aug. 24, 2010)

The present invention has been developed to solve various drawbacks of the related art as described above, and it is possible to maintain the forward movement of the user more stably and to guide the movement of the user to the center of the frame when the user moves on the frame The present invention provides an omnidirectional treadmill capable of effectively preventing an outward departure.

According to an aspect of the present invention, there is provided a ball array transfer apparatus comprising:

A ball array having a plurality of balls spaced apart at regular intervals and arranged in rows and columns;

A frame rotatably receiving balls of the ball array;

A first driving unit that rotates balls in a row unit of the plurality of balls along a first direction; And

And a second driving unit that rotates the balls in the row unit among the plurality of balls along a second direction,

The first drive unit includes a plurality of first drive shafts extending along a direction orthogonal to the first direction so as to rotate the balls in the first direction in the direction toward the center of the frame, ,

Wherein the second driving unit includes a plurality of second driving shafts which are installed elongate in a direction orthogonal to the second direction so as to rotate the balls in row units in the direction toward the center of the frame,

And the first drive shaft and the second drive shaft are in rotational contact with the outer surface of the ball in a state in which they are not interfered with each other.

The plurality of first drive shafts are divided into a plurality of one first drive shafts and a plurality of second other first drive shafts based on a first center line of the frame, In a direction opposite to each other,

The plurality of second drive shafts are divided into a plurality of one second drive shafts and a plurality of second other drive shafts on the basis of the second center line of the frame, and the plurality of one second drive shafts and the plurality of second other drive shafts are divided into second drive shafts In the direction opposite to each other.

The first transmission mechanism includes a plurality of first transmission gears connected to end portions of one first drive shaft and second end portions of the other first drive shaft symmetrically adjacent to a first center line of the frame, A first side first driving belt installed to rotate the driving shafts in the same direction; a second side first driving belt provided to rotate the plurality of second side first driving shafts in the same direction; And a first drive motor for transmitting driving force to any one of the first drive shafts,

The one first side driving belt is wound on one side pulleys provided at the end of one side first driving shaft and the other side first driving belt is wound around the other side pulleys provided at the end of each other first driving shaft,

The second transmission mechanism includes a plurality of second transmission gears connected to end portions of one side second driving shaft and ends of the other second driving shaft symmetrically adjacent to a second center line of the frame and meshed with each other, And a second side driving belt provided to rotate the plurality of second side driving shafts in the same direction, and the second driving motor includes a second driving belt provided adjacent to the second center line of the frame And a second drive motor for transmitting driving force to any one of the second drive shaft on one side and the second drive shaft on the other side,

One side second driving belt is wound on one side second pulleys provided on the end of each one second driving shaft and the other side second driving belt is wound on the other second pulleys provided on the end of each other second driving shaft do.

The first pulleys have different diameters according to their positions, and the second pulleys have different diameters according to their positions.

Wherein the first drive unit further comprises a plurality of first sub-axes arranged symmetrically with respect to the first drive shaft with respect to each ball,

The second drive unit may further include a plurality of second sub-axes arranged symmetrically with respect to the second drive shaft with respect to each of the balls.

Wherein the first drive shaft is arranged so that a pair of the first drive shaft and the second drive shaft are in symmetrical rotational contact with each other, the first drive shaft is rotated by the first drive motor,

And the second drive shaft is arranged so that one pair of the second drive shaft rotates symmetrically with respect to each of the balls, and the second drive shaft is rotated by the second drive motor.

According to the present invention, the forward movement of the user can be more stably maintained, and when the user moves on the frame, the movement of the user is always guided to the center of the frame, thereby effectively preventing the external departure.

1 is a plan view of an omni-directional treadmill according to an embodiment of the present invention.
2 is a cross-sectional view taken along line AA in Fig.
3 is a cross-sectional view taken along the line BB in Fig.
4 is a cross-sectional view taken along line CC in Fig.
5 is a cross-sectional view taken along line DD of Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. For the sake of convenience, the size, line thickness, and the like of the components shown in the drawings referenced in the description of the present invention may be exaggerated somewhat. The terms used in the description of the present invention are defined in consideration of the functions of the present invention, and thus may be changed depending on the user, the intention of the operator, customs, and the like. Therefore, the definition of this term should be based on the contents of this specification as a whole.

1 to 5 are views showing a ball array transfer apparatus according to an embodiment of the present invention.

1 to 5, a ball array transfer apparatus according to an embodiment of the present invention includes a ball array 10 in which a plurality of balls 11 are spaced apart at regular intervals and arranged in a row / A first driving unit 20 that transmits a driving force to rotate the plurality of balls 11 in a first direction and a second driving unit 20 that transmits a driving force to rotate the plurality of balls 11 in a second direction 30).

The ball array 10 is arranged in a row / column structure with a plurality of balls 11 spaced apart at regular intervals, and is rotatably installed in the frame 50 as shown in Figs. 1, 2, and 4. Fig. An upper end of the ball 11 is installed so as to be exposed at an upper portion of the frame 50 so that the object to be conveyed is seated on the upper end of the ball 11. [

The first drive unit 20 transmits the driving force to rotate the balls 11 in the first direction (see arrow X direction in Fig. 1).

2 and 3, the first driving unit 20 drives the balls 11 arranged in columns (C1, C2, C3, C4) in a first direction (see arrow X direction) A plurality of first driving shafts 21a and 21b for transmitting a driving force to rotate the ball 50 toward the first center line XL of the frame 50 (see arrows K1 and K2 in Fig. 3) And a plurality of first auxiliary shafts 22 arranged symmetrically with respect to the first drive shafts 21a and 21b to support the balls 11 in rotation. Here, the first center line XL of the frame 50 means a center line orthogonal to one side parallel to the arrow X direction of the frame 50.

Each of the first drive shafts 21a and 21b directly drives and rotates the balls 11 arranged in each column unit such as a first column C1, a second column C2, a third column C3, a fourth column C4, The plurality of first driving shafts 21 are arranged to extend in a direction perpendicular to the first direction (see arrow Y direction in FIG. 2) between the column units C1, C2, C3, and C4 do.

The plurality of first drive shafts 21a and 21b are divided into a plurality of first drive shafts 21a and a plurality of second drive shafts 21b on the basis of the first center line XL of the frame 50, The one first drive shaft 21a and the plurality of other first drive shafts 21b are configured to rotate in mutually opposite directions by the first transmission mechanism 26. [

The first transmission mechanism 26 is connected to each end of one first drive shaft 21a and the other end of the other first drive shaft 21b symmetrically adjacent to the first center line XL of the frame 50, A first transmission belt 26a provided so as to rotate a plurality of first side drive shafts 21a in the same direction and a plurality of first side drive shafts 21b One of the first drive shaft 21a and the other first drive shaft 21b adjacent to the first center line XL of the frame 50, And a first drive motor 25 for transmitting a driving force to the first drive shafts 21a and 21b.

The plurality of first transmission gears 27 are disposed on the end portion of one side first drive shaft 21a and the end portion of the other side first drive shaft 21b adjacent to the first center line XL of the frame 50, So that one side first transmission belt 26a and the other side first transmission belt 26b rotate in opposite directions to each other.

According to an alternative embodiment, a crossed belt may be provided in place of the plurality of first transmission gears 27, through which one first drive shaft 11a and the other second drive shaft 11b are connected by a cross And may be configured to rotate in opposite directions to each other by a hook belt. Here, the cruciform belt refers to a general cruciform belt which is wound around a first pulley provided on one side first drive shaft 21a and the other side first drive shaft 21b.

One side first driving belt 26a is wound on one side first pulley 26c provided on the end of each first side driving shaft 21a and the other side first driving belt 26b is wound on the other side first driving shaft 21b, Side first pulleys 26d provided at the ends of the first pulleys 26d.

The drive force of the first drive motor 25 is transmitted to the one first drive shaft 21a adjacent to the first center line XL of the frame 50 via the plurality of first transmission gears 27 or the crucible belt, (See arrows K1 and K2 in FIGS. 2 and 3), and a plurality of one-side first drive shafts 21a are rotatably supported on the first drive shaft 21a via a first one of the first drive shafts 26a, 2 and 3) of the frame 50 and a plurality of the other first drive shafts 21b are rotatable in the direction toward the first center line XL of the frame 50 via the other first drive belt 26b, (Refer to the K2 direction in Figs. 2 and 3) toward the first center line XL of the first arm 50. [

On the other hand, the first pulleys 26c and 26d may have different diameters depending on their positions.

The diameter of the first pulleys 26c and 26d gradually decreases from the first center line XL of the frame 50 toward the outside thereof (d1> d2> d3) The rotational speed of the first driving shafts 21a and 21b located outside the first driving shaft 21a is increased, thereby effectively preventing the user from departing from the outside.

Alternatively, only the diameter of the first pulley disposed outermost among the first pulleys 26c and 26d may be configured to be the smallest (i.e., minimized) (d1 = d2 > d3). This is to simplify the assembly of the first pulleys 26c and 26d, to secure the installation space thereof, and to reduce the manufacturing cost effectively.

Considering that the diameter difference between the first pulleys 26c and 26d is too large, the user may lose the center due to a sudden change in speed, and the transfer force transmitted to the user may be reduced. It should be done.

The one first transmission belt 26a and the other first transmission belt 26b are arranged so that at least one first tension roller 28 is in rotational contact with the first transmission belt 26a and the other first transmission belt 26b, 26b are kept more taut, so that the one first driving shaft 21a and the other first driving shaft 21b can be more stably transmitted.

The first sub axis 22 and the first sub axis 21a and the first sub axis 21b are symmetrically arranged with respect to one ball 11 so that the first sub axis 22 is connected to the first drive axes 21a and 21b And serves to rotatably support the opposite side of the ball 11 driven by the ball. Like the first drive shafts 21a and 21b, the first sub-shaft 22 is provided along a direction (see arrow Y direction in FIG. 2) orthogonal to the first direction and is parallel to the first drive shaft 21 .

Particularly, the first sub-shaft 22 is not connected to the first drive motor 25 and the first transmission mechanism 26, and is configured to merely idle to rotate, so that no driving force is transmitted to the ball 11 side. That is, the first sub-shaft 22 is symmetrically disposed on the opposite side of the first drive shafts 21a and 21b to stably rotate the ball 11 to maintain the dynamic equilibrium of the ball 11 do. Both end portions of the first sub-shaft 22 are installed so as to be rotatably supported on the frame 50.

According to an alternative embodiment, the first sub-shaft 22 may be configured to receive the driving force of the first driving motor 25. [ In other words, the first sub-shaft 22 can be installed so as to directly drive the ball 11 together with the first drive shafts 21a and 21b. In particular, the first sub- So that the rotational force of the ball 11 can be increased.

Specifically, the first sub shaft 22 and the first drive shaft 21a and 21b are provided so as to be symmetrically and rotatably contacted with the respective balls 11, and the first sub shaft 22 is provided as a separate auxiliary motor The driving force of the first driving motor 25 may be transmitted through the first driving shaft 21 by being connected to the first driving shaft 21 by a mechanism (a plurality of auxiliary pulleys and a plurality of auxiliary winding motor sections) .

As the first auxiliary shaft 22 and the first driving shafts 21a and 21b rotate together with the ball 11, the rotational force of the ball 11 can be further increased, The driving performance of the ball 11 with respect to the ball 11 can be more stably and efficiently performed. Particularly, when only one first driving shaft 21a or 21b for each ball 11 is weak in driving force, for example, when the output of the driving motor is weak or there are many elements that cause resistance (or interference) The first auxiliary shaft 22 and the first driving shafts 21a and 21b rotate the balls together to thereby contribute to an increase in the rotational force of the balls 11. [

The second drive unit 30 transmits the driving force to rotate the balls 11 along the second direction (see arrow Y direction in Fig. 2).

2, the second drive unit 30 drives the balls 11 arranged in row units R1, R2, R3 and R4 in the second direction (see arrow Y direction) A plurality of second driving shafts 31a and 31b for transmitting a driving force to rotationally drive the first driving shafts 31a and 31b toward the second center line YL and the second driving shafts 31a and 31b arranged symmetrically with respect to the second driving shafts 31a and 31b And a plurality of second sub-shafts (32) for rotatably supporting the respective balls (11). Here, the second center line YL of the frame 50 means the center line of the other side parallel to the arrow Y direction of the frame 50.

Each of the second drive shafts 31a and 31b transmits a rotational force to the balls 11 arranged in each row unit such as one row R1, two rows R2, three rows R3, four rows R4, And the plurality of second driving shafts 31a and 31b are arranged in a direction perpendicular to the second direction (see the arrow X direction in FIG. 2) between the balls 11 in units of rows, .

The plurality of second driving shafts 31a and 31b are divided into a plurality of one second driving shafts 31a and a plurality of second other driving shafts 31b on the basis of the second center line YL of the frame 50, The one second driving shaft 31a and the plurality of second driving shafts 31b on the other side are configured to rotate in mutually opposite directions by the second transmission mechanism 36.

The second transmission mechanism 36 is connected to the end portions of the one second drive shaft 31a and the end portions of the other second drive shaft 31b symmetrically adjacent to the second center line YL of the frame 50, A plurality of second drive shafts 31b which are meshed with each other and a second transmission belt 36a which is provided to rotate the plurality of first drive shafts 31a in the same direction, One of the second drive shaft 31a and the other second drive shaft 31b adjacent to the second center line YL of the frame 50, And a second drive motor 35 for transmitting a driving force to the two drive shafts 31a and 31b.

The plurality of second transmission gears 37 are arranged in two, four, and so on with respect to the end portion of one second drive shaft 31a and the end portion of the other second drive shaft 31b adjacent to the second center line YL of the frame 50 And the even number of the second power transmission belt 36a and the second power transmission belt 36b on the other side are arranged so as to be engaged with each other so as to rotate in opposite directions to each other.

According to an alternative embodiment, a crossed belt may be provided in place of the plurality of second transmission gears 37, through which one side second drive shaft 31a and the other second drive shaft 31b are connected to each other through a cross And may be configured to rotate in opposite directions to each other by a hook belt. Here, the cruciform belt refers to a general cruciform belt that is wound around a second pulley provided on one side second driving shaft 31a and the other side second driving shaft 31b.

One second secondary transmission belt 36a is wound around one second pulley 26c provided at the end of each one second driving shaft 31a and the other second driving belt 36b is wound around each second secondary driving shaft 31b, Side second pulleys 36d provided at the ends of the second pulleys 36d.

The power of the second drive motor 35 is transmitted to the second center line of the frame 50 via the second transmission gears 37 of the second transmission mechanism 36 or the cruciform belt (not shown) The second drive shaft 31a and the other second drive shaft 31b adjacent to the first and second drive belts 36a and 36b are rotated in opposite directions (see arrows K3 and K4 in Figs. 4 and 5) The plurality of one second driving shafts 31a rotate in the direction toward the second center line YL of the frame 50 (see arrow K3 in Figs. 4 and 5) The other second driving shaft 31b rotates in the direction toward the second center line YL of the frame 50 (see arrow K4 in Figs. 4 and 5).

On the other hand, the second pulleys 36c and 36d may have different diameters depending on their positions.

The diameter of the second pulleys 36c and 36d gradually decreases from the second center line YL of the frame 50 toward the outside thereof (d1> d2> d3) The rotation speed of the second drive shafts 31a and 31b located outside the first drive shaft 31a is increased, thereby effectively preventing the user from departing from the vehicle.

Alternatively, only the diameter of the second pulley disposed outermost among the second pulleys 36c and 36d may be formed to be the smallest (i.e., d1 = d2 > d3). This is to simplify the assembly of the second pulleys 36c and 36d, to secure the installation space thereof, and to reduce the manufacturing cost effectively.

Considering that the diameter difference between the second pulleys 36c and 36d is too large, the user may lose the center due to a sudden change in speed, and the transfer force transmitted to the user may be reduced. It should be done.

The one second belt 36a and the other second belt 36b are arranged so that one or more second tension rollers 38 are in rotational contact with each other so that one second belt 36a and the other second belt 36b So that the one second driving shaft 31a and the other second driving shaft 31b can be more stably transmitted.

 The second sub axis 32 and the second drive axes 31a and 31b are symmetrically arranged with respect to one ball 11 so that the second sub axis 32 is connected to the second drive axes 31a and 31b And serves to rotatably support the opposite side of the ball 11 driven by the ball. Like the second drive shafts 31a and 31b, the second sub shaft 32 is provided along the direction perpendicular to the second direction (see the arrow X direction in FIG. 2), and the second drive shaft 31a and 31b Are arranged in parallel.

In particular, the second sub-shaft 32 is not connected to the second drive motor 35 and the second transmission mechanism 36, and is simply configured to idle to rotate, so that no driving force is transmitted to the ball 11 side. That is, the second sub-shaft 32 is symmetrically arranged on the opposite side of the second drive shafts 31a and 31b to stably rotate the ball 11 to maintain the dynamic equilibrium of the ball 11 do. Both ends of the second sub-shaft 32 are installed so as to be rotatably supported on the frame 50.

According to an alternative embodiment, the second sub-shaft 32 may be configured to receive the drive force of the second drive motor 35. [ That is, the second auxiliary shaft 32 directly drives the ball 11 together with the second driving shafts 31a and 21b as the driving force of the second driving motor 35 is transmitted, (32) is configured to rotate in the same rotational direction as the second drive shaft (31), thereby increasing the rotational force of the ball (11).

Specifically, the second auxiliary shaft 32 and the second driving shafts 31a and 31b are provided so as to be in symmetrical rotational contact with respect to the balls 11, and the second auxiliary shaft 32 is provided in a separate auxiliary transmission The driving force of the second driving motor 45 may be transmitted through the second driving shaft 31 by being connected to the second driving shaft 31 by a mechanism (a plurality of auxiliary pulleys and a plurality of auxiliary winding transmission sections) .

As the second auxiliary shaft 32 and the second driving shafts 31a and 31b drive the ball 11 together, the rotational force of the ball 11 can be further increased, The driving performance with respect to the ball 11 can be performed more stably and efficiently. When only one second driving shaft 21a or 21b for each ball 11 is weak in driving force, for example, when the output of the driving motor is weak or there are many elements causing resistance (or obstruction) at the time of rotation of the ball The second auxiliary shaft 32 and the second driving shafts 31a and 31b rotate the balls together, thereby contributing to an increase in the rotational force of the ball 11. [

The first drive shafts 21a and 21b and / or the first subordinate shaft 22 of the first drive unit 20 are connected to the second drive shafts 31a and 31b of the second drive unit 30 and / And are spaced apart from each other in the vertical direction so as not to interfere with each other with respect to the auxiliary shaft 32. 2 and 4, the first drive shafts 21a and 21b and / or the first sub-shaft 22 of the first drive unit 20 are connected to the second drive shaft 30 of the second drive unit 30, (31a, 31b) and / or the second sub-shaft (32), or vice versa.

The frame 50 is formed of the balls 11 of the ball array 10 and the first driving shaft 21 and the first subordinate shaft 22 of the first driving unit 20 and the second driving shaft 21 of the second driving unit 30 The frame 50 is constructed to accommodate the first drive shaft 31 and the second auxiliary shaft 32 and the like and in particular the frame 50 can be constructed in a wide variety of structures capable of rotationally supporting the balls 11 of the ball array 10 .

The balls 11 of the ball array 10 are moved toward the first center line XL of the frame 50 by the first drive unit 20 in the K1 and K2 directions And the ball 11 of the ball array 10 rotates symmetrically in the K3 and K4 directions toward the second center line YL of the frame 50 by the second drive unit 30. [ Always rotate in the direction of the center of the frame 50, that is, in the direction of the intersection where the first center line XL intersects with the second center line YL (see the K direction in FIG. 1). Accordingly, the user can be naturally guided to the original position, that is, the center of the frame 50, by the first and second driving units 20 and 30 regardless of the direction in which the ball array 10 is moved.

In addition, a separate sensor unit may be installed on the upper surface of the frame 50 to sense the moving speed or the moving position of the user in real time, and to detect the moving speed or the moving position of the first and second driving units 20 and 30 Driving can be properly controlled.

It is preferable that the first direction (X direction) and the second direction (Y direction) are orthogonal to each other (intersecting angle of 90 degrees) as illustrated in FIG. 2, And the second direction (Y direction) may have a crossing angle of 90 degrees or less.

In addition, although the balls 11 of the ball array 10 are based on an arrangement having row and column structures as described above, they may be arranged irregularly as required. Specifically, when the plurality of balls 11 are arranged in an irregular shape, only the specific balls 11 receive the rotational force from the first driving unit 20 and the second driving unit 30, In the case of balls that are not rotationally driven by the first and second driving units 20 and 30, they may be rotated or rotated in a simple manner such as a ball caster, Structure.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

10: Ball array 11: Ball
20: first drive unit 21a, 21b: first drive shaft
22: first auxiliary shaft 30: second driving unit
31a, 31b: second driving shaft 32: second auxiliary shaft
50: receiving housing

Claims (6)

A ball array having a plurality of balls spaced apart at regular intervals and arranged in rows and columns;
A frame rotatably receiving balls of the ball array;
A first driving unit that rotates balls in a row unit of the plurality of balls along a first direction; And
And a second driving unit that rotates the balls in the row unit among the plurality of balls along a second direction,
The first drive unit includes a plurality of first drive shafts extending along a direction orthogonal to the first direction so as to rotate the balls in the first direction in the direction toward the center of the frame, ,
Wherein the second driving unit includes a plurality of second driving shafts which are installed elongate in a direction orthogonal to the second direction so as to rotate the balls in row units in the direction toward the center of the frame,
Wherein the first drive shaft and the second drive shaft are in rotational contact with the outer surface of the ball in a state in which they are not interfered with each other. The method according to claim 1,
The plurality of first drive shafts are divided into a plurality of one first drive shafts and a plurality of second other first drive shafts based on a first center line of the frame, In a direction opposite to each other,
The plurality of second drive shafts are divided into a plurality of one second drive shafts and a plurality of second other drive shafts on the basis of the second center line of the frame, and the plurality of one second drive shafts and the plurality of second other drive shafts are divided into second drive shafts In a direction opposite to each other by said first and second treads. The method according to claim 1,
The first transmission mechanism includes a plurality of first transmission gears connected to ends of one first drive shaft and one end of the other first drive shaft symmetrically adjacent to a first center line of the frame and meshed with each other, One side first driving belt installed to rotate the first driving shafts in the same direction and the other side first driving belt installed to rotate the other first driving shafts in the same direction and the other side first driving belt provided symmetrically adjacent to the first center line of the frame And a first drive motor for transmitting driving force to any one of the first drive shaft and the other first drive shaft,
The one first side driving belt is wound on one side pulleys provided at the end of one side first driving shaft and the other side first driving belt is wound around the other side pulleys provided at the end of each other first driving shaft,
The second transmission mechanism includes a plurality of second transmission gears connected to the end portions of one side second drive shaft and the ends of the other second drive shaft symmetrically adjacent to the second center line of the frame and meshed with each other, The second drive belt being provided to rotate the first drive shafts in the same direction and the second drive belt installed to rotate the second drive shafts in the same direction; And a second drive motor for transmitting a driving force to any one of the second drive shaft on one side and the second drive shaft on the other side symmetrically adjacent to the second drive shaft,
One side second driving belt is wound on one side second pulleys provided on the end of each one second driving shaft and the other side second driving belt is wound on the other second pulleys provided on the end of each other second driving shaft An omnidirectional treadmill. The method of claim 3,
Wherein the first pulleys are of different diameters according to their positions and the second pulleys are of different diameters according to their positions. The method according to claim 1,
Wherein the first drive unit further comprises a plurality of first sub-axes arranged symmetrically with respect to the first drive shaft with respect to each ball,
Wherein the second drive unit further comprises a plurality of second sub-axes symmetrically arranged with respect to the second drive shaft with respect to each ball. The method according to claim 1,
Wherein the first drive shaft is arranged so that a pair of the first drive shaft and the second drive shaft are in symmetrical rotational contact with each other, the first drive shaft is rotated by the first drive motor,
And the second drive shaft is arranged so that one pair of the second drive shaft is in rotationally symmetrical contact with each of the balls, and the second drive shaft is rotated by the second drive motor.
KR1020140055817A 2014-05-09 2014-05-09 Omni-directional treadmill KR20150128437A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110013644A (en) * 2019-04-26 2019-07-16 赵思俨 A kind of splice floor board formula omnidirectional's treadmill chassis
CN110090396A (en) * 2018-09-25 2019-08-06 陶宏建 A kind of motion structure of universal treadmill
CN110115822A (en) * 2019-05-30 2019-08-13 李志松 The design of the multi-direction treadmill of novel passive

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090396A (en) * 2018-09-25 2019-08-06 陶宏建 A kind of motion structure of universal treadmill
CN110090396B (en) * 2018-09-25 2024-03-19 陶宏建 Exercise structure of universal running machine
CN110013644A (en) * 2019-04-26 2019-07-16 赵思俨 A kind of splice floor board formula omnidirectional's treadmill chassis
CN110115822A (en) * 2019-05-30 2019-08-13 李志松 The design of the multi-direction treadmill of novel passive

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