KR200175330Y1 - The motion base device - Google Patents

Abstract

The present invention relates to a motion base apparatus used in a training simulator, a game simulator, and the like, and more particularly, to a motion base apparatus capable of dynamically and realistically realizing virtual reality using three hydraulic cylinders including a double rod cylinder.

In the present invention, three hydraulic cylinders are installed between the support plate and the upper plate in a triangular composition so as to vertically and oscillate the upper plate, and a first cylinder of the three hydraulic cylinders is disposed on the support plate. The motion base device is fixedly installed and connected to the upper plate and the free refraction means, and the second cylinder and the third cylinder are respectively connected to the support plate and the upper plate by the free refraction means, wherein the first cylinder includes a plurality of piston rods. Is provided is composed of a plurality of rod cylinder which is moved up and down by the action of hydraulic pressure, it is possible to be characterized in that it is connected to the free refraction means is connected to one coupling member on the upper end of the plurality of piston rod.

Description

Motion base device

The present invention relates to a motion base apparatus used for a training simulator, a game simulator, and the like, and more particularly, to a motion base apparatus capable of dynamically and realistically realizing virtual reality using three hydraulic cylinders.

The present applicant has filed a 'motion base device' in '1998 Patent Application No. 47481'.

1 is a plan view showing the above-described invention, FIG. 2 is a front view of the above-described invention, and FIG. 3 is a side view of the above-described invention.

Motion base device of the prior application is composed of a support plate (1) which is located on the lower side, and an upper plate (2), which is spaced apart above the support plate (1), and the occupant (2 ') is installed, Three hydraulic cylinders C ₁ (C ₂ ) (C ₃ ) are erected vertically between the plate 1 and the top plate 2 and arranged in an equilateral triangle composition.

Such a hydraulic cylinder (C ₁ ) (C ₂ ) (C ₃ ) is configured to move the upper plate (2) up and down and oscillate simultaneously while each cylinder is independently linearly moved by the hydraulic device (3). .

In addition, among the three hydraulic cylinders (C ₁ ) (C ₂ ) (C ₃ ), the first cylinder (C ₁ ) is installed in a fixed state on the support plate (1) to free the upper plate (2). Connected by the universal joint 6, which is a refraction mechanism, the other two second and third cylinders C ₂ and C ₃ are jointed with the universal joint 7 and the support plate 1 and the upper plate 2, respectively. Each is connected by block 8.

The hydraulic cylinder (C ₁ ) (C ₂ ) (C ₃ ) is made of a double-acting cylinder, the piston rod (11a) 12a connected to the universal joint (6) 7 in the upper side is embedded The piston rods 11a and 12a are linearly moved in accordance with the state where the hydraulic oil is provided into the cylinder, thereby moving the upper plate 2 up and down.

That is, the first cylinder C ₁ only serves to move the upper plate 2 in the vertical direction, and the second and third cylinders C ₂ and C ₃ are free of two joints 7. While refracting, the upper plate 2 is moved in the vertical direction, and the upper plate 2 swings in the left and right directions by the vertical displacement difference between the cylinders C ₁ , C ₂ , and C ₃ . do.

Here, the combination in which each of the cylinders C ₁ , C ₂ , and C ₃ is installed is referred to as first, second, and third operating parts 11, 12, and 13, and the third cylinder C ₃ in FIG. 2. ) Is installed in the same manner as the second operation unit 12 provided with the second cylinder (C ₂ ) is omitted in consideration of the complexity of the drawing.

On the other hand, the first operating portion 11 is provided with a guide mechanism (4) to help the first cylinder (C ₁ ) to perform a stable vertical movement without receiving a lateral force, the first, second, 3, the linear sensor 5 is provided in the actuating part 11, 12, 13 so that each cylinder operation height can be detected.

Here, the guide mechanism (4) for supporting the first operating portion (11) is a fixed guide (4a) standing in the vertical direction on the upper surface of the support plate 1, the universal joint (6) and the piston rod (11a) It consists of a movement guide (4b) is coupled between the upper end of the extending in the downward direction, the movement guide (4b) is able to move up and down along the fixing guide (4a).

The oil tank T, the hydraulic pump P, the fan cooler H ₃ , and the accumulator AC are located next to a space in which the three hydraulic cylinders C ₁ , C ₂ , and C ₃ are installed. ), A hydraulic valve 3 composed of a valve block VB, a supply line FL, a return line RL, and the like.

Here, when the guide mechanism (4) is installed in the first cylinder (C ₁ ) to limit the vertical movement of the piston rod, the mechanism is stably fixed, the occurrence of the movement due to external impact is suppressed, the vertical movement is stable It is configured to be made.

However, in the above-described prior invention, a predetermined tolerance and play may occur due to the fact that a ball bearing is installed between the fixed guide 4a and the movement guide 4b of the guide mechanism 4, and the universal joint 6 is the case that tolerance such as is present, so that the rotation, albeit that the first cylinder (C _1), a piston rod (11a) is linearly moved in the smile to be generated.

As such, when the piston rod 11a rotates to a certain degree, yawing motion occurs during the operation of the mechanism, so that the stability of the simulation is lowered and the wear resistance of the first operating part 11 is weakened. Problems that can be damaged arise.

The present invention has been made to solve the above problems, by providing a double rod cylinder on the side of the first operation of the three operating parts consisting of three hydraulic cylinders to prevent the rotation of the piston rod without installing a separate guide mechanism The present invention provides a motion base device that can be prevented to improve stability during operation of the device and can reduce manufacturing costs.

1 is a planar configuration diagram showing a motion base apparatus of the present application;

2 is a front view showing a motion base device of the prior application;

3 is a side view showing a motion base apparatus of the prior application;

4 is a front view showing a motion base device according to the present invention,

5 is a side view of a motion base device according to the present invention;

6 is a partial cutaway view of a first cylinder which is a main part of the present invention;

7 is a detailed side view of the first cylinder, which is an essential part of the present invention.

<Description of the code | symbol about the principal part of drawing>

C ₁ , C ₂ , C ₃ : 1st, 2nd, 3rd cylinder 20, 30: 2nd, 3rd operation part

23, 33: piston rod 51: support plate

52: upper plate 52 ': the aircraft

60: linear sensor 70, 70A: universal joint

80: joint block 90: first operating portion

91: cylinder tube 91a, 91b: port

92a, 92b: cylinder chamber 93a, 93b: piston

94a, 94b: piston rod 95: fixed block

96: coupling member

Motion base apparatus of the present invention for realizing the above problems, three hydraulic cylinders are provided to be arranged in a triangular composition between the support plate and the upper plate to move the upper plate up and down and rocking movement, of the three hydraulic cylinders In the motion base device is fixedly mounted on the support plate is connected to the upper plate and the free refraction means, the second cylinder and the third cylinder is connected to the support plate and the upper plate by free refraction means respectively, The first cylinder is composed of a plurality of rod cylinder which is provided with a plurality of piston rod is moved up and down by the action of hydraulic pressure, is connected to the free deflection means is connected to one coupling member on the upper end of the plurality of piston rod It becomes possible by this.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention.

4 is a front view of the motion base apparatus according to the present invention, Figure 5 is a side view of the motion base apparatus according to the present invention.

The motion base device of the present invention is composed of a support plate 51 and an upper plate 52 which is spaced apart from the upper side of the support plate 51 and in which an occupant 52 'is installed at an upper portion thereof. Three hydraulic cylinders (C ₁ ) (C ₂ ) (C ₃ ) are erected vertically and placed in an equilateral triangle between the upper plate (52) and the upper plate (52), and the hydraulic cylinders (C ₁ ) (C ₂ ) (C ₃ ) is configured to move the upper plate 52 up and down and oscillate movement while each cylinder is independently linearly moved by the hydraulic pressure.

Of the three hydraulic cylinders (C ₁ ) (C ₂ ) (C ₃ ), the first cylinder (C ₁ ) is installed in a fixed state on the support plate (51), so that the upper plate (52) and the free refraction mechanism In the universal joint 70, and the other two second and third cylinders C ₂ and C _{3 are} connected to the support plate 51 and the upper plate 52 by the universal joint 70A and the joint block ( 80 respectively.

That is, the first cylinder C ₁ only serves to move the upper plate 52 in the vertical direction, and the second and third cylinders C ₂ and C ₃ are free of two joints 70A. While refracting, the upper plate 52 is moved in the vertical direction and the upper plate 52 swings in the left and right directions by the vertical displacement difference between the cylinders C ₁ , C ₂ , and C ₃ . do.

6 and 7 are a partial cutaway detail view and a side detail view of the first cylinder.

The first cylinder C ₁ includes two piston rods 94a and 94b positioned parallel to each other in a vertical direction and includes a double rod cylinder that is vertically moved by the action of hydraulic pressure. The upper end portions of the 94a and 94b are connected by one coupling member 96 to the universal joint 70.

When the first cylinder C _{1 is} provided with a double rod cylinder, it is possible to completely limit the rotational movement of the piston rod to prevent the yawing movement without having to provide a separate guide mechanism, such as the prior art. .

The first cylinder C ₁ includes two pistons 93a and 93b to which the two piston rods 94a and 94b are connected, and two pistons 93a and 93b respectively. Cylinder chambers 92a and 92b are formed.

The cylinder chambers 92a and 92b are double-acting cylinders in which hydraulic pressure is provided or discharged from the upper and lower portions of the piston, respectively, and the upper cylinder chamber and the lower cylinder chamber each have hydraulic pressure through the same ports 91a and 91b. It is configured to be provided.

Here, providing hydraulic pressure through the same ports 91a and 91b as described above allows two pistons 93a and 93b and piston rods 94a and 94b to realize the same linear motion without generating different displacements. I would have to.

The first cylinder C ₁ as described above is installed on the support plate 51 to be completely fixed through the fixing block 95.

In addition, the coupling member 96 is a means for connecting the two piston rods 94a and 94b to the universal joint 70 as one, and the two piston rods 94a and 94b have one coupling pin 96a. It is connected to the coupling plate (96b) installed in the lower portion of the universal joint (70) through.

Meanwhile, the first cylinder C ₁ exemplifies that two cylinder chambers, a piston, and a piston rod are provided in one cylinder tube, but two independent cylinders are arranged in parallel in the vertical direction to clamp the mechanism, and the like. Fixed to each other, and may be configured such that the hydraulic pressure is provided through the same valve so that the piston rods of each cylinder are linearly moved equally to each other.

Next, referring to FIGS. 5 and 6, the second and third cylinders C ₂ and C _{3 are} formed of a single rod-type double acting cylinder different from the first cylinder, and the universal joint 70A upwards. Piston rods (23) (33) connected to the () is inherent to move the piston rod (23) (33) linearly in accordance with the state that the hydraulic oil is provided into the cylinder to move the upper plate (52) up and down.

If the combination provided with each of the cylinders C ₁ , C ₂ , and C _{3 is} referred to as the first, second, and third operating parts 90, 20, 30, the first, second, and third The actuators 90, 20, and 30 are each provided with a linear sensor 60 so as to detect each cylinder operating height.

Referring to the operation of the motion base device according to the present invention configured as described above are as follows.

The following table shows the operating state of the present invention as a table.

First cylinder Second cylinder Third cylinder Vertical movement (HEAVE) Increase Increase Increase descent descent descent ROLL - Increase descent - descent Increase Post-war tilt (PITCH) Increase descent descent descent Increase Increase

By adjusting the pressure oil provided to each of the cylinders C ₁ , C ₂ , and C _{3 as} described above, the height of each of the operation parts 90, 20, 30 is adjusted so that the vehicle 52 'is vertically and horizontally Free to move in the direction.

Of course, when the up, down, left, and right operations of the passenger vehicle are simultaneously linked, a more dynamic virtual boarding situation can be produced.

In particular, since the first cylinder (C ₁ ) is made of a double rod cylinder, it is possible to implement a more stable simulation situation by preventing the yawing motion of the entire mechanism when the passenger vehicle moves in the up, down, left and right directions.

Therefore, the motion base device of the present invention constructed and operated as described above has a double rod cylinder on the side of the first operation part, thereby preventing yawing motion that may occur during operation of the device without installing a separate guide mechanism. Since it is possible to improve the stability of the operation of the mechanism, there is an advantage that can reduce the manufacturing cost by not installing the guide mechanism.

Claims (3)

Three hydraulic cylinders are installed in a triangular composition between the support plate and the upper plate to move the upper plate up and down and oscillate, and a first cylinder of the three hydraulic cylinders is fixedly installed on the support plate to provide the upper portion. In the motion base device connected to the plate and the free refraction means, the second cylinder and the third cylinder are respectively connected to the support plate and the upper plate by the free refraction means, The first cylinder is provided with a plurality of piston rod is provided with a plurality of rod cylinder which is moved up and down by the action of hydraulic pressure, the upper end of the plurality of piston rod is characterized in that connected to the free deflection means through the same coupling member Motion base unit. The method of claim 1, The plurality of rod cylinder is a motion base device, characterized in that made of the same number of pistons each connected in a state where the plurality of piston rods are located in parallel, and the same number of cylinder chambers in which the piston is inherent. The method of claim 2, The cylinder chamber is made of a double-acting cylinder type, characterized in that the upper cylinder chamber and the lower cylinder chamber is configured to provide hydraulic pressure through the same port, respectively.