CN114307097A

CN114307097A - Basketball stand device for basketball shooting training

Info

Publication number: CN114307097A
Application number: CN202210151831.3A
Authority: CN
Inventors: 毕中旋; 王婷; 刘刚; 樊梦兵; 郭文慧
Original assignee: Xinjiang Vocational & Technical College Of Communicaitons
Current assignee: Xinjiang Vocational & Technical College Of Communicaitons
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-04-12
Anticipated expiration: 2042-02-18
Also published as: CN114307097B

Abstract

The invention provides a basketball stand device for basketball shooting training, which comprises a base, a support, a backboard, a transverse rotating shaft, a rack and a power rotating shaft, wherein a basket track groove is formed in the backboard, a moving seat is connected in the basket track groove in a sliding manner, and a basket is fixed on the moving seat; the transverse rotating shaft is rotatably connected with the bracket, the front end of the transverse rotating shaft is connected with the backboard through a first universal ball head, the side wall of the transverse rotating shaft is connected with one end of the telescopic rod through a second universal ball head, and the other end of the telescopic rod is connected with the movable seat through a third universal ball head; the left end of the rack is connected with the backboard in a sliding way through a first sliding block; the lower end of the power rotating shaft is connected with an output shaft of the stepping motor; the power rotating shaft is connected with the transverse rotating shaft through a bevel gear meshing mechanism and meshed with the rack through a gear; the stepping motor is in signal connection with the microprocessor. The invention can create a dynamic complex shooting environment for the trainee, thereby more truly realizing the shooting environment in the relative position change of the shooter relative to the backboard and the basket in the match.

Description

Basketball stand device for basketball shooting training

Technical Field

The invention relates to the field of basketball sports training instruments, in particular to a basketball stand device for basketball shooting training.

Background

Basketball is a physical opponent team sport that is hand-centered. Basketball has the function of strengthening heart and lung, and playing basketball properly often plays a good role in the aspects of the motion system, cardiovascular system, nervous system and the like of the human body; the team cooperation consciousness of people can be developed by frequent basketball shooting, compared with a life arena, the basketball court has the advantages that the application of attack, breakthrough, defense, cooperation and various tactics can enable one person to pay more attention to team cooperation in working and learning at ordinary times, and the work is handled more fruitfully and professionally.

The core links of basketball shooting include passing and shooting, especially, shooting is more difficult, shooting in games is often in complex sports environment, for example, the shooting is often confronted with various interferences from other players, so basically shooting in running, a trained player can accurately hit the basketball in motion, when shooting in running, a player must accurately judge the motion position relationship between the basketball hoop and the basketball in motion, so as to quickly and accurately judge the hand-out speed and force of the basketball according to the relative motion state between the basketball and the basketball, shooting in motion is not necessarily to be performed right at the basketball backboard, and shooting is likely to be performed at various positions such as the side surface of the backboard, therefore, the factors such as the position of a trainer relative to the backboard and the relative motion relative to the basketball must be comprehensively considered in basketball shooting training, only by simultaneously considering the two factors, the basketball shooting training effect can be better improved.

Disclosure of Invention

The present invention has been made to overcome the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a basketball stand apparatus for basketball shooting training, which can create a dynamic and complex shooting environment for a trainer, thereby more truly representing the shooting training environment in a moving state in which the relative position of a shooter with respect to a backboard and a basket changes in a game.

The technical scheme of the invention is as follows: the utility model provides a basketball stands device of basketball shooting training, includes the base, is fixed with the support on the base, still includes:

the basket track groove is formed in the backboard, penetrates through the thickness of the backboard, and is connected with a moving seat in a sliding mode, and a basket is fixed on the moving seat;

the transverse rotating shaft is rotatably connected with the bracket, the front end of the transverse rotating shaft is connected with the rear surface of the backboard through a first universal ball head, the side wall of the transverse rotating shaft is connected with one end of the telescopic rod through a second universal ball head, and the other end of the telescopic rod is connected with the movable seat through a third universal ball head;

the left end of the rack is hinged with a first sliding block, the first sliding block is in sliding connection with a transverse sliding groove formed in the rear surface of the backboard, and the rack is in sliding connection with the bracket;

the power rotating shaft is rotatably connected to the base, and the lower end of the power rotating shaft is connected with an output shaft of the stepping motor; the power rotating shaft is connected with the transverse rotating shaft through a bevel gear meshing mechanism and is meshed with the rack through a gear; the stepping motor is in signal connection with the microprocessor through the motor controller.

A first pressure sensor is arranged at one end of the basket track groove, a second pressure sensor is arranged at the other end of the basket track groove, and the first pressure sensor and the second pressure sensor are respectively in signal connection with the microprocessor; when the microprocessor receives the pressure generated by the movement of the movable seat and detected by the first pressure sensor, the microprocessor controls the stepping motor to change the rotation direction of the stepping motor from the current rotation direction to a reverse rotation state; when the microprocessor receives the pressure generated by the movement of the moving seat and detected by the second pressure sensor, the microprocessor controls the stepping motor to reversely change the rotating state of the stepping motor again, so that the basket reciprocates on the backboard along the basket track groove.

The moving seat comprises a cylinder, the cylinder penetrates through the basket track groove, a dovetail slide block is arranged on the side wall of the cylinder, the dovetail slide block is connected with a dovetail slide groove in a sliding mode, and the dovetail slide groove is formed in the inner side wall of the basket track groove in the moving direction; the front end and the rear end of the column body are respectively provided with a limiting head extending out of the basket track groove, the basket is fixed on the limiting head arranged at the front end of the column body, and the limiting head arranged at the rear end of the column body is connected with the telescopic rod through the third universal ball head.

The side wall of the cylinder is provided with two dovetail slide blocks which use the central axis of the cylinder as a symmetry axis, two inner side walls along the direction of the track groove of the basket are respectively provided with one dovetail slide groove, and the two dovetail slide blocks and the two dovetail slide grooves are in one-to-one correspondence and are in sliding connection.

A guide groove is formed in the back face of the rack along the longitudinal direction of the rack, a guide block is connected in the guide groove in a sliding mode, and the guide block is fixed on the support; the rack is hinged with the first sliding block through a hinge shaft, wherein the axis of the hinge shaft is vertical to the horizontal plane.

The two racks are arranged horizontally and leftwards and rightwards along the backboard and are parallel, and the distance between the plane where the center line of the transverse rotating shaft is located and the horizontal plane is equal to the distance between the two racks.

The bevel gear meshing mechanism comprises a first bevel gear and a second bevel gear which are meshed with each other, wherein the first bevel gear is coaxially connected with the power rotating shaft, and the second bevel gear is coaxially connected with the transverse rotating shaft.

The transverse rotating shaft is fixedly and coaxially connected with an inner ring of a first bearing, the first bearing is arranged in a first bearing seat, and the first bearing seat is fixed on the support; the power rotating shaft is fixedly and coaxially connected with the inner ring of the second bearing, the second bearing is arranged in a second bearing seat, and the second bearing seat is fixed on the rotating shaft support.

The telescopic rod comprises a sleeve, a rod body is sleeved in the sleeve in a sliding mode, the end of the sleeve is connected with the second universal ball head, and the end of the rod body is connected with the third universal ball head.

The basket track groove is an arc-shaped groove, the lowest point of the arc-shaped groove is the middle point of the arc-shaped groove, and the distance between the two ends of the arc-shaped groove is smaller than the diameter of a circle corresponding to the arc-shaped groove.

The invention has the beneficial effects that: the invention provides a basketball stand device for basketball shooting training, which can create a dynamic complex shooting environment for a trainer, thereby more truly realizing the shooting training environment under the motion state of a shooting player relative to the change of the relative positions of a backboard and a basket in a match. Specifically, the invention controls the stepping motor to realize reciprocating forward rotation and reverse rotation through the microprocessor, thereby driving the power rotating shaft to realize circulating forward rotation and reverse rotation, driving the gear to rotate forward and reverse in the forward rotation and reverse rotation processes of the power rotating shaft, driving the rack to reciprocate back and forth by the circulating forward rotation and reverse rotation of the gear, thereby driving the backboard to swing left and right, and realizing forward shooting and side shooting training simultaneously by standing at the front position of the backboard relative to a shooting trainer, meanwhile, the transverse rotating shaft can also drive the transverse rotating shaft to reciprocate forward and reverse by the circulating forward rotation and reverse rotation of the bevel gear meshing mechanism in the circulating forward and reverse rotation processes of the power rotating shaft, the transverse rotating shaft simultaneously drives the basket fixed on the movable seat to reciprocate along the basket track groove by the telescopic rod, and the invention applies reciprocating pressure to the first pressure sensor and the second pressure sensor back and forth by the movable seat, the invention can feed back signals for the microprocessor to repeatedly change the rotation direction of the stepping motor, thereby realizing the closed-loop reciprocating motion of backboard swinging and basket motion in a linkage manner, creating a dynamic complex shooting environment for a trainer, and more truly presenting the shooting training environment in a motion state when a shooter changes relative positions relative to the backboard and the basket in a game.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the backboard and the basket;

FIG. 3 is a top view of the backboard, rack and transverse shaft assembly of the present invention;

FIG. 4 is a schematic view of a movable base according to the present invention;

fig. 5 is a block diagram of the electrical system connection of the present invention.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, the embodiment of the invention provides a basketball stand device for basketball shooting training, which comprises a base 1, wherein a support 23 is fixed on the base 1, and the basketball stand device further comprises a backboard 3, a transverse rotating shaft 12, a rack 16, a power rotating shaft 2, a microprocessor 25, a power supply 24 and the like. Referring to fig. 2, a basket track groove 4 penetrating through the thickness of the backboard 3 is formed in the backboard 3, a moving seat 6 is connected in the basket track groove 4 in a sliding manner, a basket 5 is fixed at one end, located on the front surface of the backboard 3, of the moving seat 6, and the basket 5 can reciprocate along the basket track groove 4 through the reciprocating motion of the moving seat 6 along the basket track groove 4, so that a dynamic basket motion state is provided for a basketball shooting trainer, and a real-time change state of the relative position between a basketball to be shot and the basket is realized; the transverse rotating shaft 12 is rotatably connected with the bracket 23, the front end of the transverse rotating shaft 12 is connected with the rear surface of the backboard 3 through a first universal ball head 18, the side wall of the transverse rotating shaft 12 is connected with one end of a telescopic rod 10 through a second universal ball head 11, and the other end of the telescopic rod 10 is connected with one end of the movable seat 6, which is positioned on the rear surface of the backboard 3, through a third universal ball head 9; the rack 16 is used for pulling the backboard 3 to swing left and right, the left end of the rack 16 is hinged with a first sliding block 20, the first sliding block 20 is connected with a transverse sliding groove 19 formed in the rear surface of the backboard 3 in a sliding mode, the rack 16 is connected with the support 23 in a sliding mode along the longitudinal direction of the rack 16, each universal ball head can well adapt to the swinging of the backboard and the movement of the moving seat at the same time, the telescopic rod 10 can adapt to the rotation of the transverse rotating shaft 12 and the movement of the moving seat at the same time, and therefore the telescopic rod can well adapt to the extension or the shortening of adaptability, the moving seat can be well stirred under the driving of the rotation of the transverse rotating shaft 12, and the moving seat can reciprocate along the basket track groove 4; the power rotating shaft 2 is rotatably connected to the base 1 through a rotating shaft bracket 27, the lower end of the power rotating shaft 2 is connected with an output shaft of a stepping motor 28, and the stepping motor 28 is fixed on the base 1; the upper end of the power rotating shaft 2 is rotationally connected with the transverse rotating shaft 12 through a bevel gear meshing mechanism, the upper end of the power rotating shaft 2 is meshed with the rack 16 through a gear 17, and the gear 17 is fixedly and coaxially connected with the power rotating shaft 2; specifically, the bevel gear engagement mechanism includes a first bevel gear 14 and a second bevel gear 15 that are engaged with each other, wherein the first bevel gear 14 is coaxially connected to the power rotating shaft 2, and the second bevel gear 15 is coaxially connected to the transverse rotating shaft 12. The stepping motor 28 is in signal connection with the microprocessor 25 through a motor controller, the microprocessor 25 controls the stepping motor 28 to rotate forwards and backwards circularly according to set conditions, and the microprocessor 25 controls the stepping motor 28 to rotate forwards and backwards circularly according to the set fixed empirical time interval under the specific set conditions, so that the moving seat reciprocates along the basket track groove 4, and the microprocessor 25 can also control the stepping motor 28 to rotate forwards and backwards circularly by detecting whether the moving seat 6 moves to two ends of the basket track groove 4, so that the moving seat reciprocates along the basket track groove 4; the stepping motor 28 and the microprocessor 25 are respectively electrically connected with the power supply 24. The invention realizes reciprocating forward rotation and reverse rotation by controlling the stepping motor through the microprocessor, thereby driving the power rotating shaft to realize circulating forward rotation and reverse rotation, driving the gear to rotate forward and reverse in the process of forward rotation and reverse rotation of the power rotating shaft, driving the rack to reciprocate back and forth by the circulating forward rotation and reverse rotation of the gear, thereby driving the backboard to swing left and right, and realizing forward shooting and side shooting training at the same time by the position of the basketball training person standing in front of the backboard, meanwhile, the transverse rotating shaft can also drive the transverse rotating shaft to reciprocate forward and reverse by the circulating forward rotation and reverse rotation of the bevel gear meshing mechanism in the process of circulating forward and reverse rotation of the power rotating shaft, and the transverse rotating shaft simultaneously drives the basket fixed on the moving seat to reciprocate along the track groove by the telescopic rod, and a dynamic complex shooting environment can be created for the basketball training person, thereby more truly presenting the shooting training environment in the moving state of the shooting person relative to the change of the relative position of the backboard and the basket in the game. The invention has simple structure and is easy to realize.

Further, referring to fig. 2 and 5, a first pressure sensor 7 is disposed at one end of the basket track groove 4, and a second pressure sensor 8 is disposed at the other end of the basket track groove, and the first pressure sensor 7 and the second pressure sensor 8 are respectively in signal connection with the microprocessor 25; when the microprocessor 25 receives the pressure generated by the movement of the movable seat 6 detected by the first pressure sensor 7, the microprocessor 25 controls the stepping motor 28 to change the rotation direction from the current rotation direction to the reverse rotation state; when the microprocessor 25 receives the pressure generated by the movement of the moving seat 6 detected by the second pressure sensor 8, the microprocessor 25 controls the stepping motor 28 to reverse again the rotation state thereof, thereby achieving the reciprocation of the basket 5 on the backboard 3 along the basket path slot 4. The first pressure sensor and the second pressure sensor are pressed back and forth by the movable seat, and signals for changing the rotation direction of the stepping motor are fed back to the microprocessor, so that the closed-loop reciprocating motion of backboard swinging and basket motion can be realized in a linkage manner.

Further, referring to fig. 2 and 4, the moving seat 6 includes a cylinder 6-1, the cylinder 6-1 passes through the basket track groove 4, a dovetail slide block 6-2 is arranged on a side wall of the cylinder 6-1, the dovetail slide block 6-2 is connected with a dovetail slide groove in a sliding manner, and the dovetail slide groove is formed along an inner side wall of the basket track groove 4; the front end and the rear end of the column body are respectively provided with a limiting head 6-3 extending out of the basket track groove 4, the basket 5 is fixed on the limiting head 6-3 arranged at the front end of the column body 6-1, and the limiting head 6-3 arranged at the rear end of the column body 6-1 is connected with the telescopic rod 10 through the third universal ball head 9. Specifically, two dovetail slide blocks 6-2 which take the central axis of the cylinder 6-1 as a symmetry axis are arranged on the side wall of the cylinder 6-1, one dovetail slide groove is formed in each of the two inner side walls along the direction of the basket track groove 4, and the two dovetail slide blocks 6-2 and the two dovetail slide grooves are in one-to-one correspondence and are in sliding connection. The sliding connection of the dovetail slide block and the dovetail slide groove can prevent the basket ring surface of the basket from being not parallel to the horizontal plane caused by the rotation of the cylinder 6-1 around the self axis in the basket track groove 4.

Furthermore, a guide groove 21 is formed in the back of the rack 16 along the longitudinal direction of the rack 16, a guide block 22 is connected in the guide groove 21 in a sliding manner, and the guide block 22 is fixed on the bracket 23; the rack 16 is hinged to the first slider 20 by means of a hinge axis, the axis of which is perpendicular to the horizontal plane. Specifically, referring to fig. 3, the number of the racks 16 is two, and the racks 16 are disposed along the backboard 3 in the horizontal direction, and the two racks 16 are parallel, and the distance a between the horizontal plane where the center line 29 of the horizontal rotating shaft 12 is located and the two racks 16 is equal. The invention can not only support the backboard 3, but also drive the backboard to swing left and right through the rack 16 and the transverse rotating shaft 12.

Further, the transverse rotating shaft 12 is fixedly and coaxially connected with an inner ring of a first bearing 13, the first bearing 13 is arranged in a first bearing seat, and the first bearing seat is fixed on the bracket 23; the power rotating shaft 2 is fixedly and coaxially connected with an inner ring of a second bearing 26, the second bearing 26 is arranged in a second bearing seat, and the second bearing seat is fixed on the rotating shaft support 27.

Further, the telescopic rod 10 comprises a sleeve, a rod body is sleeved in the sleeve in a sliding mode and can be freely extended or shortened under the external action, the end of the sleeve is connected with the second universal ball head 11, and the end of the rod body is connected with the third universal ball head 9. The basket track groove 4 is an arc-shaped groove, the lowest point of the arc-shaped groove is the middle point of the arc-shaped groove, and the distance between two ends of the arc-shaped groove is smaller than the diameter of a circle corresponding to the arc-shaped groove.

In conclusion, the basketball stand device for basketball shooting training disclosed by the invention can create a dynamic complex shooting environment for a trainer, so that the shooting training environment under the motion state of a shooting player relative to the change of the relative positions of a backboard and a basket in a match can be more truly realized. Specifically, when the invention works, the microprocessor controls the stepping motor to realize reciprocating forward rotation and reverse rotation, so as to drive the power rotating shaft to realize circulating forward rotation and reverse rotation, the gear is driven to rotate forward and reverse in the forward rotation and reverse rotation processes of the power rotating shaft, the circulating forward rotation and reverse rotation of the gear drives the rack to reciprocate back and forth, so as to drive the backboard to swing left and right, so that a shooting trainer can simultaneously train forward shooting and side shooting relative to the position of the basketball shooting trainer standing in front of the backboard, meanwhile, the transverse rotating shaft can also drive the transverse rotating shaft to reciprocate forward and reverse through the circulating forward rotation and reverse rotation of the bevel gear meshing mechanism in the circulating forward and reverse rotation processes of the power rotating shaft, the transverse rotating shaft simultaneously drives the basketball basket fixed on the moving seat to reciprocate along the basketball track groove through the telescopic rod, and the invention applies reciprocating pressure to the first pressure sensor and the second pressure sensor through the moving seat, the invention can feed back signals for the microprocessor to repeatedly change the rotation direction of the stepping motor, thereby realizing the closed-loop reciprocating motion of backboard swinging and basket motion in a linkage manner, creating a dynamic complex shooting environment for a trainer, and more truly presenting the shooting training environment in a motion state when a shooter changes relative positions relative to the backboard and the basket in a game.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. The utility model provides a basketball stands device of basketball shooting training, includes base (1), is fixed with support (23) on base (1), its characterized in that still includes:

the basket track groove (4) penetrating through the thickness of the backboard (3) is formed in the backboard (3), the basket track groove (4) is connected with a moving seat (6) in a sliding mode, and a basket (5) is fixed on the moving seat (6);

the transverse rotating shaft (12) is rotatably connected with the support (23), the front end of the transverse rotating shaft (12) is connected with the rear surface of the backboard (3) through a first universal ball head (18), the side wall of the transverse rotating shaft (12) is connected with one end of a telescopic rod (10) through a second universal ball head (11), and the other end of the telescopic rod (10) is connected with the movable seat (6) through a third universal ball head (9);

the left end of the rack (16) is hinged with a first sliding block (20), the first sliding block (20) is in sliding connection with a transverse sliding groove (19) formed in the rear surface of the backboard (3), and the rack (16) is in sliding connection with the bracket (23);

the power rotating shaft (2) is rotatably connected to the base (1), and the lower end of the power rotating shaft (2) is connected with an output shaft of the stepping motor (28); the power rotating shaft (2) is connected with the transverse rotating shaft (12) through a bevel gear meshing mechanism, and the power rotating shaft (2) is also meshed with the rack (16) through a gear (17); the stepping motor (28) is in signal connection with the microprocessor (25) through a motor controller.

2. The basketball stand device for basketball shooting training according to claim 1, characterized in that the basket track groove (4) is provided with a first pressure sensor (7) at one end and a second pressure sensor (8) at the other end, and the first pressure sensor (7) and the second pressure sensor (8) are respectively connected with the microprocessor (25) through signals; when the microprocessor (25) receives the pressure generated by the movement of the movable seat (6) detected by the first pressure sensor (7), the microprocessor (25) controls the stepping motor (28) to change the rotation direction from the current rotation direction to a reverse rotation state; when the microprocessor (25) receives the pressure generated by the movement of the moving seat (6) detected by the second pressure sensor (8), the microprocessor (25) controls the stepping motor (28) to reversely change the rotation state of the stepping motor again, so that the basket (5) reciprocates on the backboard (3) along the basket track groove (4).

3. The basketball stand device for basketball shooting training according to claim 1, characterized in that the moving seat (6) comprises a cylinder (6-1), the cylinder (6-1) passes through the basket track slot (4), a dovetail slide block (6-2) is arranged on the side wall of the cylinder (6-1), the dovetail slide block (6-2) is connected with a dovetail slide slot in a sliding way, and the dovetail slide slot is opened along the inner side wall of the basket track slot (4); the front end and the rear end of the column body are respectively provided with a limiting head (6-3) extending out of the basket track groove (4), the basket (5) is fixed on the limiting head (6-3) arranged at the front end of the column body (6-1), and the limiting head (6-3) arranged at the rear end of the column body (6-1) is connected with the telescopic rod (10) through the third universal ball head (9).

4. A basketball stand device for basketball shooting training as claimed in claim 3, characterized in that the side wall of the column body (6-1) is provided with two dovetail type sliding blocks (6-2) which take the central axis of the column body (6-1) as the symmetry axis, and two inner side walls along the basket track groove (4) are respectively provided with one dovetail type sliding groove, and the two dovetail type sliding blocks (6-2) and the two dovetail type sliding grooves are in one-to-one correspondence and are connected in a sliding manner.

5. The basketball stand device for basketball shooting training according to claim 1, characterized in that a guide groove (21) is formed in the back surface of the rack (16) along the longitudinal direction of the rack (16), a guide block (22) is connected in the guide groove (21) in a sliding manner, and the guide block (22) is fixed on the bracket (23); the rack (16) is hinged with the first sliding block (20) through a hinge shaft, wherein the axis of the hinge shaft is vertical to the horizontal plane.

6. A basketball stand device for basketball shooting training as claimed in claim 5, characterised in that said racks (16) are two in number, arranged laterally and left and right along the backboard (3), and said two racks (16) are parallel, the plane perpendicular to the horizontal plane in which the centre line (29) of said lateral rotation axis (12) is located being equidistant from said two racks (16).

7. A basketball stand apparatus for basketball shooting training according to claim 1, characterised in that said bevel gear engagement mechanism comprises a first bevel gear (14) and a second bevel gear (15) engaging with each other, wherein the first bevel gear (14) is coaxially connected with the power shaft (2) and the second bevel gear (15) is coaxially connected with the transverse shaft (12).

8. A basketball stand assembly for basketball shooting training as claimed in claim 1, characterised in that said transversal rotation shaft (12) is fixedly and coaxially connected to the inner ring of a first bearing (13), said first bearing (13) being arranged in a first bearing housing fixed to said support (23); the power rotating shaft (2) is fixedly and coaxially connected with an inner ring of a second bearing (26), the second bearing (26) is arranged in a second bearing seat, and the second bearing seat is fixed on the rotating shaft support (27).

9. A basketball stand device for basketball shooting training according to claim 1, characterised in that said telescopic rod (10) comprises a sleeve in which a rod is slidably fitted, the end of said sleeve being connected to a second ball gimbal (11), the end of said rod being connected to a third ball gimbal (9).

10. The basketball stand device for basketball shooting training as claimed in claim 1, wherein said basket trajectory groove (4) is an arc-shaped groove, the lowest point of the arc-shaped groove is the middle point of the arc-shaped groove, and the distance between the two ends of the arc-shaped groove is smaller than the diameter of the circle corresponding to the arc-shaped groove.