KR20160143193A - Angle adjustment for the pitching machine - Google Patents

Abstract

[0001] The present invention relates to a pitching machine capable of variously providing pitches of a baseball ball to be thrown by a pitching machine, and more particularly to a pitching machine in which a throwing space portion in which a baseball ball is thrown by rotation of a thrown- Axis or the Z-axis direction by the Z-axis rotating member or the Z-axis rotating member, the shape of the curve or the ball when it rotates in the X-axis direction, as well as the shape of a parabola, such as a forkball, To an angle adjusting device for a pitching machine capable of enhancing the performance of training through a baseball.
To this end, the angle adjusting device for a pitching machine according to the present invention is characterized in that at least two wheels are rotatably provided so that a throwing space part in which a baseball is thrown is formed on the upper part of the body part, and the baseball ball is thrown Wherein the pitching machine includes a rotating part for rotating the thrown-up space part, the rotating part including an X-axis rotating member rotatably engaged with the body part so that the throwing space part rotates in the X-axis direction, A Z-axis rotary member that is fixed to the X-axis rotary member and installed to be vertically movable by rotation, the Z-axial rotary member being rotatable in the Z-axis direction by raising and lowering, A Z-axis rotary member is rotatably installed, and the body is fixed to the ground, Stand includes a supporting member so as to have a predetermined height in the longitudinal phase adjustment is possibly provided.

Description

Technical Field [0001] The present invention relates to an angle adjusting apparatus for a pitching machine,

[0001] The present invention relates to a pitching machine capable of variously providing pitches of a baseball ball to be thrown by a pitching machine, and more particularly to a pitching machine in which a throwing space portion in which a baseball ball is thrown by rotation of a thrown- Axis or the Z-axis direction by the Z-axis rotating member or the Z-axis rotating member, the shape of the curve or the ball when it rotates in the X-axis direction, as well as the shape of a parabola, such as a forkball, To an angle adjusting device for a pitching machine capable of enhancing the performance of training through a baseball.

In general, a pitching machine is a machine that throws a ball at a batter for batting practice in baseball. In recent years, domestic players have won the World Baseball Classic (WBC) The domestic demand for pitching machines is on the rise.

Therefore, in recent years, many pitting machines have been filed. Such a pitching machine includes a tire method and a pitching arm method.

Particularly, in the tire method, a ball is inserted between two tires rotating at a high speed to throw a ball by a frictional force of a tire surface, or a ball of a baseball ball to be thrown is simple, Such as the 'training pitching machine' of Korean Patent No. 10-1324047, it is possible to throw the ball at a level that can control the speed of the ball being thrown, and thus there is a problem that the training of the trainee is not performed smoothly.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an angle adjusting device for a pitching machine in which a throwing baseball can be shot in various pitches such as a curve, a ball and a fork ball.

According to an aspect of the present invention, there is provided an angle adjusting apparatus for a pitching machine, comprising: at least two wheels rotatably mounted on an upper portion of a body portion so that a throwing space portion in which a baseball is thrown, The pitching machine includes a rotating part for rotating the throwing space part. The rotating part is rotatably coupled to the body part so that the throwing space part rotates in the X-axis direction, A Z-axis rotary member fixed to the X-axis rotary member so as to be vertically movable by rotation and provided so that the throttling space can be rotated in the Z-axis direction by raising and lowering, The X-axis rotary member or the Z-axis rotary member is rotatably installed, and the body is fixed to the ground Or step by step comprises a supporting member which is length adjustable and equipped so as to have a predetermined height from the ground and the body portion.

The X-axis rotary member has a length in the transverse direction, and a first shaft is protruded from one side of the lower portion to be rotatably engaged with the receiving member in a proper position, and a second shaft A vertical bar provided on the upper surface of the mounting bar to have a length in a vertical direction and having the Z axis rotation member installed on the outer surface thereof, And the upper portion is rotatably inserted into the rotating table, the rotating table being provided with the body portion rotatably inserted therein so that the throttling space portion can rotate in the X-axis direction, And a tightening means for pressing or loosening the inserted outer surface of the body portion to fix the body portion.

In addition, it is preferable that the vertical stand is provided on a pair of upper and lower sides of the mounting table so as to be adjacent to each other by a predetermined distance in the transverse direction, and the swivel stand is rotatable with the body.

The Z-axis rotating member is fixed to the X-axis rotating member and is rotatably fixed to the upper portion of the supporting plate so that the driving shaft is inserted through the through hole. The control unit rotates the forward / The upper portion is rotatably engaged with the drive shaft and the lower portion is rotatably engaged with the receiving member so that the throttling space can be rotated in the Z axis direction by rotation It is preferable to include a screw that ascends and descends.

The X-axis rotatable member is rotatably inserted into the first bearing. The X-axis rotatable member is rotatably inserted into the first bearing, Axis rotatable member is formed so as to be pierced by a pair of protrusions formed in a pair in a lateral direction adjacent to the fixed plate so as to be rotatable in place, And a first bearing formed on the support plate adjacent to the rotation piece and rotatably engaged with the Z-axis rotation member.

Preferably, the support member further includes a telescopic type height adjusting means capable of adjusting the length of the support plate in a stepwise manner below the support plate.

According to the present invention, the position of the throwing space portion in which the baseball ball is thrown by the rotation of the throwing member is rotated in the X-axis direction or the Z-axis direction by the X-axis rotating member or the Z- It is possible to improve the performance of the training through the baseball ball being thrown in various forms of parabolic shape such as a forkball or the like when the ball rotates in the Z axis direction as well as the shape of the curve or the ball.

1 is a view showing a conventional practice pitching machine.
2 is a use state view of an angle adjusting device for a pitching machine according to the present invention.
3 shows a Z-axis rotary member of an angle adjusting device for a pitching machine according to the present invention.
Figure 4 is a side view of the pitching machine prior to operating the Z-axis rotary member for Figure 2;
5 is a view showing a moving direction of a baseball ball to be thrown against FIG. 4;
Figure 6 is a side view of the pitching machine after operating the Z-axis rotary member for Figure 2;
7 is a view showing a moving direction of a baseball ball to be thrown against Fig. 6; Fig.
8 is a view showing a body portion of an angle adjusting device for a pitching machine according to the present invention.
Figure 9 is a view of the interior of the housing for Figure 8;
Fig. 10 is a view showing the movement of the rotary motor through the first through hole in Fig. 8; Fig.
11 is a view showing the movement of the housing through the second through hole in Fig.
Fig. 12 is a diagram comparing the outer diameter of the baseball hole with the area of the throwing space portion in Fig. 8;
13 is a view of the input member of Fig.
14 is a view showing an X-axis rotating member of an angle adjusting device for a pitching machine according to the present invention.
Fig. 15 is a view showing a state in which the body portion of Fig. 14 is rotated in the X-axis direction; Fig.
16 is a view showing a receiving member of an angle adjusting device for a pitching machine according to the present invention.
17 is a view illustrating a height adjusting means of an angle adjusting device for a pitching machine according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an angle adjusting apparatus for a pitching machine according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2, the angle regulating apparatus according to the present invention includes a rotation unit 100 including an X-axis rotation member 110, a Z-axis rotation member 120, and a support member 130 The throttling space 330 formed in the throwing member 300 for throwing the baseball ball B in the batting direction can be rotated in the X axis direction or the Z axis direction.

More specifically, the Z-axis rotary member 110 includes a support plate 111, a driving motor 113, and a screw 115 for rotating the thrusting space portion in the Z-axis direction.

Here, the support plate 111 is formed by bending the support plate 111 so as to have a "B" shape as a whole so that the drive motor 113 is fixedly installed. The support plate 111 includes a vertical table 123, Is fixed to the outer surface of the vertical base 123, which is positioned opposite to the direction in which the baseball ball B is thrown so that the mounting base 121 can rotate about the first axis 121a described later. The drive shaft 113a of the drive motor 113 installed in the upper portion is inserted into the support plate 111 or the upper portion of the screw 115 is inserted through the through hole 111a so as to be rotatably engaged with the drive motor 113, Is preferably formed by perforation.

The driving motor 113 is fixed to the upper portion of the supporting plate 111 so as to be electrically connected to the control unit fixed to the body portion and rotatably supported by the screw 115 located below the supporting plate 111 . At this time, the driving motor 113 uses a motor that can rotate in either a forward direction (clockwise direction) or a reverse direction (counterclockwise direction), and a screw 115 inserted through the first bearing 137 during rotation is loaded It is preferable that the rotation angle of the mounting table 121 is rotated so as to be within about 2 to 5 degrees.

The body part 200 includes a housing 210, a fixing part 220 and an insertion member 230 to allow the controller 400 and the throwing body 300 to be fixedly installed. The structure of the angle adjusting device will be briefly explained to facilitate understanding. The body portion 200 in the detailed description of the present invention is inserted into the rotation hole 125a formed in the rotation table 125 and is inserted into the fixing piece 220 for fixing the pair of housings 210 Although the throttling space 330 can be rotated in the X-axis direction around the fixed shaft 221 formed, it is only one embodiment, and if necessary, the fixed shaft 221 is formed in a single housing 210 and the throwing space 330 can be rotated in the X axis direction or the housing 210 formed in one piece is fixed to the vertical base 123 to be described later, Note that it is possible to rotate only in the Z-axis direction, not in the X-axis direction.

The housing 210 is formed so as to have a generally rectangular parallelepiped shape and the baseball ball B supplied through the input member 230 is adjacent to each other so as to be thrown in the batting direction by rotation of the throwing member 300 And fixed and fixed by the fixing piece 220. [ A rotation motor 211 for rotating the throwing member 300 is installed in the housing 210 so as to be electrically controllable by the control unit 400 and the motor shaft 211a of the rotation motor 211 is rotated And is detachably coupled to a center portion of the throwing member 300 having a predetermined diameter by being exposed to the outside through a first through hole 213 formed in the upper portion of the housing 210.

The position of the first through hole 213 formed in the upper portion of each of the housings 210 is determined by the combination of the motor shaft 211a exposed to the outside through the first through hole 213 and the thigh member 300 The outer surface of the baseball ball B supplied to the thrown-up space 330 through the input member 230 is brought into close contact with the outer surface of the baseball ball B (S1) of the space portion (330). In this case, although the interval of the thrown-up space 330 is described as being controlled by the plurality of first through-holes 213, this is only one embodiment, The spacing of the throttling space 330 may be adjusted through the second through hole 215 having a plurality of apertures formed adjacent to each other in the housing 210. [

Further, the interval between the plurality of second through holes 215 is formed to be equal to or smaller than the interval of the first through holes 213, so that it can be controlled more precisely than the first through holes 213, It is possible to more effectively utilize the space in the workplace than to adjust the throwing space 330 through the one through hole 213.

A plurality of second through holes 215 are formed adjacent to each other in the lengthwise direction of the housing 210 so that the second through holes 215 are formed not only in the throwing of the baseball ball B but also in the case of a tennis ball or a ball, By adjusting the interval S2 of the throwing space 330, not only the baseball game but also the athletes of other ball games can be used as an element necessary for training. At this time, the housing 210 has a hollow portion 217 formed therein so that the rotary motor 211 can move within the housing 210 according to the type of the hole to be thrown, It is preferable that a lid is formed so that the position of the rotary motor 211 installed inside the housing 210 can be easily changed.

The fixing piece 220 is fixedly coupled to the second through hole 215 formed in each of the pair of housings 210 disposed adjacent to each other through bolts or screws or the like, And is configured to rotate the body portion 200 so that the thrown-up space portion 330 can be rotated in the X-axis direction while being rotatably engaged with the rotation portion 100 of the present invention.

For example, the fixing piece 220 is formed to have a plate shape as a whole, and a pair of the fixing pieces 220 are respectively fastened to the front and rear surfaces of the pair of housings 210, 210 are fixed. At this time, a fixing shaft 221 is protruded from the outer surface of each fixing piece 220 so as to be inserted into the rotation hole 125a so as to be coupled therewith, and one of the pair of fixing pieces 220 is provided with a loading member 230 It is preferable that the fastening hole 223 is formed so that the baseball ball B supplied through the insertion member 230 can be thrown in the batting direction through the rotation of the throwing member 300.

The input member 230 is configured to provide a traveling path through which the baseball ball B can move from the outside toward the thrown-up space 330. For example, the input member 230 includes a charging ring 231, A moving body 233 and a moving body 235. [

The insertion ring 231 is provided so as to have a ring shape as a whole with a diameter width enough to insert a spherical baseball B so as to have a predetermined diameter width.

The coupling ring 233 is formed in a ring shape having the same diameter as the above-mentioned input ring 131. The tubular rod 233a is further formed in the direction of the direction in which the baseball ball B moves, So that the baseball ball B can be easily inserted into the throwing space 330. At this time, it is preferable that an insertion hole is formed in the lower part of the coupling ring 233 so as to be detachably coupled through the fastening hole 223 formed in the fastening piece 220 and the fastening means P.

The movable body 235 is formed by a plurality of bars in a columnar shape so as to minimize the friction area between the moving baseball ball B and the moving body 235, And the other end is connected to the coupling ring 233 so that the baseball ball B supplied through the insertion ring 231 can be guided in the direction of the coupling ring 233. [ At this time, the moving body 235 is installed in an arcuate shape so that the baseball ball B inserted through the insertion ring 231 can freely move in the direction of the coupling ring 233 by the inclination angle, It is preferable that it is formed so as to support only the lower portion of the baseball hole B so that the friction area can be further minimized.

The screw 115 is formed to have a length in the vertical direction and the upper portion is inserted through the support plate 111 to be rotatably coupled to the driving motor 113 and the lower portion is connected to the first bearing 137). The screw 115 rotates the mounting table 121 in the Z axis direction about the first axis 121a by the rotation of the driving motor 113 so that the throwing space portion can rotate in the Z axis direction And the X-axis rotational member 120 rotatably engaged with the body portion is supported.

The X-axis rotating member 120 includes a mounting base 121, a vertical base 123, a rotating base 125, and a tightening means 127 for rotating the position of the throwing space 330 in the X- .

Here, the mounting base 121 is formed to have a length in the transverse direction, and a second bearing 133a formed on the receiving member 130 and having a first shaft 121a protruding outwardly on both sides in the outer direction, And is rotatably coupled to the Z-axis rotating member 110 so that the Z-axis rotating member 110 serves as a center shaft for rotating the mounting base 121 when the mounting base 121 rotates. At this time, a protruding piece 121d having a buffer member 121c at the lower portion is further formed at the rear of the mounting base 121 so that the Z axis rotating member 110 may be undesirably bent around the first axis 121a 121 are rotated, it is preferable that the impact applied to the mounting table 121 is mitigated to improve the durability of the pitching machine.

The cushioning member 121c is made of a coil spring or a rubber having a high density and is made of a material that absorbs impact generated between the mounting base 121 and the base 131.

Further, the outer surface of the mounting table 121 may be provided with a goniometer (not shown) so that the operator can visually recognize the rotational angle of the screw 121 when the screw 115 is rotated.

The vertical bar 123 is spaced a predetermined distance apart from the vertical bar 123 in the vertical direction so that a pair of swiveling bars 125 can be installed to be rotatable with the pair of fixed axes 121 They are installed in pairs. At this time, a support plate 111 is fixed to one of the pair of vertical bars 123, and the upper part of each vertical bar 123 is formed to have a T shape as a whole to facilitate the installation of the rotation bar 125 .

The rotary table 125 is fixed to the upper part of the vertical table 123 by means of fastening means. The upper part of the rotary table 125 is rotatably inserted through the fixing shaft 121, The rotating hole 125a to be inserted is formed. Each of the rotation tables 125 is formed with a cutout 125b having a length perpendicular to the rotation hole 125a so as to facilitate attachment and detachment of the fixed shaft 121 inserted into the rotation hole 125a desirable.

The lower part of the rotation table 125 fixed to the upper part of the vertical table 123 is formed to have a shape corresponding to the upper part of the vertical table 123 to maximize the contact area with the upper part of the vertical table 123, And fixed by means of fastening means.

Further, the rotation table 125 may be omitted so that the vertical table 123 and the housing 210 can be directly fixedly installed, if necessary, so that the rotation direction of the thrown-up space 330 is rotated in the Z-axis direction by the Z- It is also possible to install it so that it can be rotated only by.

The tightening means 127 tightens the cutout portion 125b so as to press the fixed shaft 121 inserted through the turn hole 125a of the swivel base 125 so that the fixed shaft 121 is rotated A tightening bolt 127a inserted into the tightening hole 125c formed on the upper portion of the swiveling table 125 so as to be connected to the cutout 125b and the fastening bolt 127a And a tightening nut 127b screwed with the tightening bolt 127a inserted through the tightening bolts 127a and 125c to tighten the gap between the cutouts 125b by pressing the outer surface of the turn table 125 together with the tightening bolts 127a do.

The support member 130 is configured to support the body portion 200 such that the X-axis or Z-axis rotation members 120 and 110 are rotatably engaged with each other so that the body portion 200 is positioned above the ground surface. 133, a rotating piece 135 and a height adjusting means 139. [

Here, the support plate 131 is formed to have a plate shape as a whole, and a fixing plate 133 and a rotation piece 135 for rotatably engaging with the X-axis or Z-axis rotation members 120 and 110 are provided on the upper side, And a height adjustment means 139, which will be described later, is provided to adjust the vertical length between the ground and the body portion 200. In addition, At this time, the support plate 131 is rotatably engaged with the lower portion of the screw 115, and the first bearing 137 is formed so that the screw 115 can be rotated through the support plate 131 when the screw 115 is rotated downward .

The fixing plate 133 is formed to protrude from the upper surface of the support plate 131 so as to be rotatably engaged with the first shaft 121a formed on the mounting table 121. At this time, the second bearing 133a, which is rotatably engaged with the first shaft 121a, is provided on the opposed surfaces of the fixed plate 133 protruding from the pair, It is preferable that the mounting base 121 be rotatable about a first axis 121a which is rotatably engaged with the second bearing 133a.

The rotary shaft 135 is formed adjacent to the first bearing 137 in a pair so as to be adjacent to the first bearing 137 so that a second shaft 121b protruding from the mounting base 121 is rotatably inserted do. At this time, it is preferable that the rotary piece 135, into which the second shaft 121b is inserted, is perforated in the shape of an arc-shaped groove 135a along the rotation radius of the second shaft 121b.

Any one of the second shafts 121b inserted through the respective grooves 135a may be provided with a locking handle 135 for fixing the second shaft 121b rotating along the groove 135a to the rotary shafts 135 135b for preventing the second shaft 121b inserted into the long groove 135a from being separated from the long shaft 135a.

Therefore, the second shaft 121b, which rotates at a predetermined angle through the groove 135a in accordance with the rotation direction of the screw 115, is fixed by the locking handle 135b or by the separation prevention cap 135c by the projection member 200 can maintain the angle of the second shaft 121b which is rotated by the vibration generated during operation.

The lower portion of the height adjusting means 139 is fixedly supported on the ground and the upper portion of the height adjusting means 139 is fixedly coupled to the lower portion of the support plate 131 so that the body portion 100 has a predetermined height above the ground.

For example, the height adjusting means 139 has a rod shape as a whole, is made of a telescopic type that can be stepwise adjusted in length, and has a plurality of support angles 139a radially provided on the lower portion of the support plate 131, And each support angle 139a is rotatably coupled to the lower part of the support plate 131 so as to adjust the length or adjust the inclination angle according to the state of the ground. At this time, it is preferable that at least three supporting angles 139a provided at the lower part of the support plate 131 are installed to facilitate centering.

The control unit 400 controls the rotation speed of the throwing member 300 to which the baseball ball B is supplied or adjusts the position of the throwing space 330 in the Z axis direction through the input member 230 To control whether the drive motor 113 is operated or not.

For example, the control unit 400 is installed on the outer surfaces of the pair of housings 210 so as to control the speed of the throwing member 300 installed in each pair of the housings 210, 300).

That is, when the baseball ball B to be thrown by the rotation of the throwing member 300 is to be thrown in the form of a straightball, the control unit 400 controls the rotational speeds of the pair of throwing members 300 to be the same, In the case of throwing in the form of a curve or a ball, the control unit 400 controls the rotation speed of any one of the pair of throwing members 200 to be rotated quickly or slowly, It is possible to throw the ball (B).

In addition, the controller 400 may be configured such that the rotational speed of the plurality of switches or the throwing member 300 is displayed such that the operator or the trainer can visually check or control the rotational speed of the throwing member 300, do.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

First, when the throwing space 330 is to be rotated in the X-axis direction, the fastening bolt 127a provided on the rotating table 125 is loosened, and the fastening shaft 221 pressed against the rotating hole 125a is rotated So that it can rotate (freely) within the majors 125a. At this time, any one of the fixed shafts 221 inserted through the pair of swivel tables 125 is loosened so that the tightening means 127 is relatively stiffer than the other, It is preferable to prevent the body portion 200, which has been rotated through the rotation, from being reversely rotated in the home position.

Finally, the fastening means 127, which is loosened so that the fastening shaft 221 inserted through the rotation hole 125a can be fixed again by pressing, is tightened so that the thrusting space portion 330 can be rotated in the X axis do. At this time, the rotation angle of the thrown-up space 330 rotating in the X-axis direction is set such that the pair of housings 210 rotate in the clockwise or counterclockwise direction It is preferable that the rotation angle is less than 100 degrees so that the trainee who enters the batter seat can hit the baseball ball B that is thrown to the inside or outside of the player's body.

The baseball ball B thrown through the thrown-away space 330 which is rotating in the X-axis or Z-axis direction or is rotated is rotated by the rotation speed of the pair of throwing members 300 through the control unit 400 So that the trainer can be felt by the pitch of the curve or the ball.

Further, when the thrown-away space 330 is to be rotated in the Z-axis direction

First, the mount 121 is rotated about the first axis 121a which is rotatably and axially coupled to the second bearing 133a by rotating the rotation direction of the drive motor 113 forward or backward through the control unit 400 Thereby making it possible to rotate upward or downward.

The second shaft 121b protruding from the mounting base 121 that rotates with respect to the first shaft 121a is rotated along the arc groove 135a formed in the rotating piece 135, When the rotation is completed, the separation preventing cap 135c is tightened or the locking handle 135b is rotated so that the second shaft 121b can be locked within the rotation piece 135, The turning radius of the mounting table 121 does not change. At this time, it is preferable that the release preventing cap 135c and the toggle grip 135b are released so that the second shaft 121b can rotate along the groove 135a before the drive motor 113 operates. See also?)

The angular adjustment device according to the present invention having such a structure differs from the conventional art in that the position of the throwing space 330 in which the baseball ball B is thrown by the rotation of the throwing member 300 is referred to as an X- Axis direction or the Z-axis direction by the Z-axis rotating member 110 or the Z-axis rotating member 110, it is possible to provide a variety of shapes such as a curved line and a broken line when rotating in the X- It has the effect of enhancing the performance of the training through the ball (B) which is thrown into the pitch.

The specific embodiments of the present invention have been described above. It is to be understood, however, that the spirit and scope of the invention are not limited to these specific embodiments, but that various changes and modifications may be made without departing from the spirit of the invention, If you are a person, you will understand.

Therefore, it should be understood that the above-described embodiments are provided so that those skilled in the art can fully understand the scope of the present invention. Therefore, it should be understood that the embodiments are to be considered in all respects as illustrative and not restrictive, The invention is only defined by the scope of the claims.

100: rotating part 110: Z-axis rotating member
111: support plate 113: drive motor
115: screw 120: X-axis rotating member
121: Mounting base 123: Vertical stand
125: rotating table 127: tightening means
130: support member 131:
133: Fixing plate 135: Rotating piece
137: first bearing 139: height adjustment means

Claims (6)

At least two wheels are rotatably provided so as to form a throwing space portion in which a baseball ball is thrown on an upper portion of a body portion, and a pitching machine for throwing a baseball ball in a batting direction by rotation of the wheel,
Wherein the pitching machine includes a rotating portion for rotating the throwing space portion,
An X-axis rotary member rotatably coupled to the body portion such that the throttling space portion can rotate in the X-axis direction;
A Z-axis rotary member fixed to the X-axis rotary member and installed so as to be vertically movable by rotation, the Z-axis rotary member being capable of rotating the throttling space in the Z-axis direction by raising and lowering; And
The X-axis rotatable member or the Z-axis rotatable member is rotatably mounted, and the body is fixed to the ground or the body is stepwise adjustable in length so as to have a predetermined height on the ground surface. And an angle adjusting device for adjusting the angle of the pitching machine.
The apparatus according to claim 1, wherein the X-
And a second shaft projecting from the first shaft is rotatably engaged with the receiving member so as to be rotatable in place and a second shaft inserted through the receiving member is protruded and formed on the other side of the receiving member, A mounting table rotatable by a predetermined angle about an axis;
A vertical stand installed on the upper portion of the mounting table to have a length in a vertical direction and having the Z axis rotating member installed on its outer surface;
A rotating table provided at the upper portion of the vertical bar, the upper portion being rotatably inserted into the body so that the throwing space portion can rotate in the X-axis direction; And
And a tightening means that is inserted through the swivel rotatably and that presses or loosens the outer surface of the body inserted through the swivel by rotation, thereby fixing the body.
3. The apparatus of claim 2,
Wherein the pair of swivel brackets are provided on the upper portion of the mounting bracket so as to be adjacent to each other by a predetermined distance in the transverse direction, and the swivel bracket is installed to be rotatable with respect to the body portion.
[2] The apparatus according to claim 1, wherein the Z-
A supporting plate fixed to the X-axis rotating member and having a through hole formed therein;
A drive motor rotatably fixed on the support plate so that a drive shaft is inserted through the through hole and rotated in a forward direction or a reverse direction by a control unit; And
A screw having a length in a vertical direction as a whole and rotatably coupled to the drive shaft at an upper portion and a lower portion rotatably engaged with the receiving member so as to be able to rotate in a Z axis direction by rotation; And an angle adjusting device for adjusting the angle of the pitching machine.
2. The apparatus according to claim 1,
A base plate having a plate shape as a whole;
A pair of fixing plates protruding from an upper portion of the support plate and having a second bearing rotatably inserted into one side of the lower portion of the X-axis rotary member, the X-axis rotary member being rotatable;
The X-axis rotatable member is installed so that the X-axis rotatable member is rotatable around the fixed plate by forming an elongated groove protruding from the fixed plate in a pair in the lateral direction, A rotating piece; And
And a first bearing formed on the upper portion of the receiving plate adjacent to the rotating piece and rotatably engaged with the Z-axis rotating member.
6. The apparatus according to claim 5,
Further comprising a telescopic type height adjusting means for adjusting the length of the foot plate in a stepwise manner at a lower portion of the foot plate.

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