CN115475368A

CN115475368A - Basketball training device is used in confrontation exercise

Info

Publication number: CN115475368A
Application number: CN202211153245.9A
Authority: CN
Inventors: 张文博; 田云平; 王雷; 刘大明; 任杰; 从彪; 禹钧译
Original assignee: Liaoning Technical University
Current assignee: Liaoning Technical University
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-16

Abstract

The invention relates to a basketball training device for confrontation exercise, which comprises a fixing frame, wherein a sandbag is connected in a U-shaped opening of the fixing frame in a sliding manner, a plurality of pressure sensors are arranged in the sandbag and are uniformly distributed around the vertical axis of the sandbag, the pressure sensors are used for sensing hit positions and hit pressure signals, the pressure sensors are electrically connected with a control module, the hit pressure signals and the hit position signals are transmitted to the control module by the hit pressure sensors, a display screen is arranged on one side of the fixing frame and is electrically connected with a wireless signal receiver, the output end of the control module is also electrically connected with a wireless signal transmitter, the control module transmits the received hit pressure signals and the hit position signals through the wireless signal transmitter as electric signals, the wireless signal receiver searches and receives the signals and displays the signals through the display screen, and a coach can visually judge the contact position of the training personnel with the sandbag according to the hit position so as to judge whether the training personnel are in violation.

Description

Basketball training device is used in confrontation exercise

Technical Field

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

Background

Basketball is a sports event with a hand as the center, and is a core game item of sports meetings, in the actual game item, players must break through or block opposite players within the range allowed by rules by using strong and vigorous physical quality of the players to complete the game item of antagonism, and basketball players must be capable of bearing high-strength physical competence to meet the requirement of high-level games.

In an actual game project, blocking countermeasures among players generally occur at an inner line position, and mainly take the position of a center counter of two players in the game, and the players cannot generate intentional physical countermeasures in the process of blocking and breaking through to avoid offensive rules.

Most of the prior art devices only aim at the counterforce of the athlete, namely train the thrust required by the athlete to break the seal lock suddenly in a regular range, generally judge the counterforce of the athlete by compressing the deformation of the spring and then train the athlete pertinently, but the prior art devices often ignore the precondition that the athlete must perform physical confrontation in the rule, namely the athlete must ensure that the action of the athlete meets the specification in the physical confrontation process, basketball is a competitive sport item, and a coach is difficult to observe and fully analyze the action of the trainer in detail in the training process (not only the speed problem of the trainer, but also the coach often forms shielding in the action process so that the coach cannot observe deeply and carefully).

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a basketball training device for confrontation exercise, which has the advantages of helping a player to establish correct confrontation action and overcomes the defect that the device in the prior art can only help the player to determine the size of the confrontation force of the player and cannot help the player to determine whether the action of the player meets the standard or not.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a basketball training device is used in antagonism exercise, includes the mount, sliding connection has a sand bag in the U type opening of mount for "U" type and mount, be provided with the forced induction layer in the sand bag, wherein be provided with a plurality of pressure sensor in the forced induction layer, a plurality of pressure sensor evenly arrange around the vertical axle center of sand bag, and pressure sensor is used for responding to hit the position and hit the pressure signal, pressure sensor electric connection has control module, and the pressure sensor that hits in the actual training process will hit pressure signal and hit the position signal transmission and give control module, mount one side is provided with the display screen, display screen electric connection has wireless signal receiver, control module output still electric connection has wireless signal transmitter, and control module sends received hit pressure signal and hit the position signal through wireless signal transmitter with the signal of telecommunication, searches for, receives through the display screen display demonstration, can judge training personnel and sand bag contact position directly perceived according to hit the position signal distribution condition.

Preferably, a training pad is arranged on one side of the fixing frame, the U-shaped opening of the fixing frame faces the training pad, a plurality of piezoelectric induction sheets are arranged on the training pad and are arranged in a rectangular array, the control module is electrically connected with the piezoelectric induction sheets, the piezoelectric induction sheets are electrified under pressure in the actual training process and transmit electric signals to the control module, the control module sends the electric signals through a wireless signal transmitter, the electric signals are searched and received by a wireless signal receiver and displayed on a display screen, and the standing positions of the feet of a user and the hitting positions of the basketball of the user are judged according to the voltage value change frequency of the piezoelectric induction sheets in different areas.

Preferably, the control module is also electrically connected with a measuring and calculating instrument, the control module transmits the shot position signal and the shot pressure signal sensed by the pressure sensor to the measuring and calculating instrument, and the measuring and calculating instrument calculates a shot pressure value according to the shot position and the shot pressure signal and sends the shot pressure value to the control module.

Preferably, both ends difference fixedly connected with connecting rod about the sand bag, one end difference fixedly connected with slide is kept away from relatively to two connecting rods, the slide is semi-circular, and the slide is kept away from training relatively and fills up one side for the arcwall face, both ends are provided with the spout to the slide about the mount, and the spout is similar with the slide shape, and spout arcwall face diameter is greater than slide arcwall face diameter, be provided with a plurality of compression spring in the spout, a plurality of compression spring evenly arranges around the slide.

Preferably, the slide is close to training relatively and fills up one side level and is provided with a limiting plate, be provided with the spacing groove to the limiting plate in the mount, linear motion about the limiting plate is for the mount, the limiting plate is close to training relatively and fills up one end and rotates and be connected with a screw rod I, I keep away from resistance piece one end relatively and extend to outside the mount to screw rod I and mount spiro union.

Preferably, the mount lower extreme is close to training pad one side relatively around both ends rotate respectively and be connected with a telescopic link, both sides are respectively fixedly connected with a horizontal pole around the mount lower extreme, sliding connection has a slider on the horizontal pole, linear motion around the relative horizontal pole of slider is, and the slider rotates with the telescopic link to be connected, be provided with the spout to the slider on the horizontal pole, the spout has certain inclination, and the spout is close to mount one side relatively down the terminal surface relative altitude be greater than the spout and keeps away from mount one side down the terminal surface relative altitude relatively, and when the slider was located the spout and is close to mount one end relatively, the telescopic link was kept away from training pad one end relative altitude and is higher than mount down the terminal surface relative altitude relatively, and when the slider was located the spout and is close to mount one end relatively, terminal surface relative altitude equals mount down terminal surface relative altitude under the telescopic link, horizontal pole and telescopic link lower extreme are provided with the resistance piece.

Preferably, the telescopic link includes the internal thread pipe, internal thread pipe quantity is two, is provided with screw rod II between two internal thread pipes, screw rod II and internal thread pipe spiro union, screw rod II and the coincidence of internal thread pipe the central axis.

Preferably, both ends are fixedly connected with slewing mechanism respectively about the telescopic link, and the telescopic link passes through slewing mechanism and mount, slider sliding connection, slewing mechanism includes the installation piece, be provided with spherical groove in the installation piece to be connected with a connection ball at spherical inslot internal rotation.

Preferably, the sandbag is provided with a contact layer, a pressure induction layer, a buffer layer and a filling layer in sequence from outside to inside.

Compared with the prior art, the invention has the beneficial effects that:

the invention judges whether the trainee violates the rules or not by only contacting the sandbag with the shoulder and the back by utilizing the struck position sensed by the pressure sensor, is helpful for helping the coach to carry out specific training aiming at the trainee, and can accurately obtain the counter force of the trainee by the existence of the measuring and calculating instrument.

The invention judges the feet of the trainee and the shooting position of the basketball by utilizing the characteristic that the piezoelectric induction sheet is electrified under pressure to judge whether the action of the trainee is standard or not, and whether the best breakthrough state can be achieved or not is helpful for a coach to make a targeted plan.

The initial compression amount of the compression spring is changed by changing the initial position of the sliding plate so as to simulate opponents with different physical qualities, the larger the initial compression amount of the spring is, the larger the counterforce of the trainer on impacting the sandbag is, the larger the force of the trainer on displacing the sandbag is, generally, the better the physical quality of the opponent is, and the larger the initial counterforce required by the trainer for breakthrough is.

The invention further simulates opponents with different physical qualities by changing the relative position of the telescopic rod at one end relatively far away from the training pad, and in the actual use process, a trainer can simulate the size of the counterforce by adjusting the resistance provided by the device, and meanwhile, the larger the resistance of the device is, the larger the area of the bottom surface of the device is, the less the device is prone to overturn.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the sandbag of the present invention;

FIG. 3 is a schematic diagram of the circuit connection of the present invention;

FIG. 4 is a schematic view of the position relationship between the slide plate and the compression spring according to the present invention;

FIG. 5 is a schematic view of the connection between the telescopic rod and the connecting mechanism of the present invention.

In the figure: 1. a wireless signal receiver; 2. a display screen; 3. a piezoelectric sensing piece; 4. a training mat; 5. a connecting rod; 6. a sand bag; 601. a filling layer; 602. a buffer layer; 603. a pressure sensor; 604. a contact layer; 7. a fixed mount; 8. a control module; 9. a wireless signal transmitter; 10. a measuring and calculating instrument; 11. a compression spring; 12. a slide plate; 13. a limiting plate; 14. a screw I; 15. a cross bar; 16. a slider; 17. a rotating mechanism; 1701. mounting blocks; 1702. a connecting ball; 18. a telescopic rod; 1801. an internally threaded tube; 1802. a screw II; 19. a resistance block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-5, a basketball training device for confrontation exercise comprises a fixing frame 7, wherein the fixing frame 7 is U-shaped, a sandbag 6 is slidably connected in a U-shaped opening of the fixing frame 7, the sandbag 6 provides resistance for training of a trainer in the actual use process, and the trainer needs to confront the sandbag 6 to complete training of dribbling, basketball putting, passing and the like.

The sand bag 6 comprises a contact layer 604, a pressure sensing layer, a buffer layer 602 and a filling layer 601 from outside to inside in sequence, the contact layer 604 is used as the outermost layer of the sand bag 6 by a leather ring sleeve of an inner layer fixing rubber sponge, the leather ring sleeve is convenient to clean and resistant to friction, and the service life can be prolonged. The buffer layer 602 should be filled with sponge to simulate the elasticity of human muscle, and the soft nature of sponge can also weaken the uncomfortable feeling caused by the confrontation between the training person and the filling layer 601, optimizing the use experience. The filling layer 601 is used as a support layer of the sandbag 6, and hard materials with certain fluidity, such as sand grains, should be filled in the filling layer 601.

The pressure sensing layer is internally provided with a plurality of pressure sensors 603, the pressure sensors 603 are used for sensing a hit position and a hit pressure signal, in order to ensure that a player who does not make a fault generally only uses the shoulder and back to squeeze an opponent in the actual competition process, and seizes the opponent to achieve the aim of confrontation, and a teleoperator cannot use hands, elbows, shoulders and other parts to actively make injurious actions on the opponent. If a single point is sensed and the training personnel range can be judged if the single point is not continuous, and the training personnel belong to malicious collision at the moment.

The pressure sensor 603 is electrically connected with the control module 8, the control module 8 is further electrically connected with the measuring and calculating instrument 10, and the pressure sensor 603 which is impacted in the actual training process transmits an impact pressure signal to the control module 8.

Training pad 4 one side still is provided with

display screen

2, 2 electric connection of display screen has

wireless signal receiver

1, 8 outputs of control module still electric connection have wireless signal transmitter 9, and the estimate appearance 10 will be hit the pressure value and send with the signal of telecommunication through control module 8, wireless signal transmitter 9, by wireless signal receiver 1 search, receive through display screen 2 demonstration, thereby train can directly judge the actual working condition of a plurality of pressure sensor 603 according to the display screen 2 demonstration content in the in-service use thereby judge training personnel upper part of the body and sand bag 6 contact condition judge training personnel action whether rule violation of rules and regulations.

Control module 8 still electric connection has a measurement and calculation appearance 10, control module 8 gives measurement and calculation appearance 10 with the struck position signal that pressure sensor 603 sensed and the pressure signal that is struck, thereby it obtains the struck pressure value according to the position of being struck and the pressure signal that is struck to calculate through measurement and calculation appearance 10 helps the coach to judge out the sportsman counter-force magnitude value, thereby the coach can also judge out according to the pressure force value that the struck position central point is thereby accurately judged out and whether the coach can accurately judge the sportsman and rule violation for multiple spot contact or single-point contact between sand bag 6.

The utility model discloses a basketball stand, including mount 7, U type opening of mount 7 is provided with training pad 4, the training personnel should stand on training pad 4 at actual training in-process towards training pad 4, leans against sand bag 6 with the actual confrontation environment of simulation, thereby the sportsman generally contacts with the opponent with shoulder back skin in actual match in-process thereby guarantees that the basketball constantly is in motion control within range, and is convenient for the sportsman to do the action and breaks through the opponent.

The training pad 4 can be made of rubber to increase the friction between the training pad 4 and the ground so as to prevent the training personnel from being injured in the training process.

The training pad 4 is provided with a plurality of piezoelectric induction sheets 3, and the relative positions of the user feet, the basketball and the training pad 4 are detected by utilizing the piezoelectric effect. Piezoelectric effect some dielectrics, when deformed by an external force in a certain direction, produce polarization in their interior and exhibit opposite positive and negative charges on their opposite surfaces. When the external force is removed, it returns to an uncharged state, and this phenomenon is called positive piezoelectric effect.

The control module 8 is also electrically connected with the piezoelectric induction sheet 3, the feet and the basketball beating area of the trainer are all above the training mat 4 in the actual training process, when the feet and the basketball of the trainer are positioned above the piezoelectric induction sheet 3, the piezoelectric induction sheet 3 is electrified under pressure and transmits an electric signal to the control module 8, the control module 8 sends the electric signal through the wireless signal transmitter 9, the electric signal is searched and received by the wireless signal receiver 1 and is displayed by the display screen 2, the standing position of the feet and the basketball beating position of the user are judged according to the voltage value change frequency of the piezoelectric induction sheet 3 in different areas, generally speaking, the feet of the trainer stand in an area with slow frequency change speed, the feet of the athlete generally stand still or rub on the ground in a small range in the actual confrontation process, the data reflected on the display screen 2 should be local and long frequency data, the basketball beating generally changes periodically, the data reflected to the display screen 2 is dotted and periodic frequency, the accurate training staff or the feet position of the training staff and the basketball patting position of the training staff can be helped according to the piezoelectric induction sheet 3, the whole body state of the training staff in the training process can be intuitively obtained according to the feet position of the training staff and the contact area of the upper body of the training staff and the sand bag 6, so that whether the training staff adopts the standard confrontation posture or not is judged, namely whether the posture adopted by the training staff is the posture which is most beneficial to force development and breakthrough under the rule or not, the targeted training can be carried out on the training staff according to the data training staff, the basketball patting position can help the training staff to know whether the basketball is always in the control range of the training staff under the confrontation posture and whether the basketball patting position is beneficial to the training staff to complete the breakthrough training or not under the training staff so that the training staff can more comprehensively know the situation of the training staff, meanwhile, the positions of the two feet of the training personnel are combined with the human body structure, whether the knees and the soles of the user make a foul can be obtained, and under the general condition, due to the limited visual field (the sand bag 6 is that the opponent is positioned on the back of the training personnel), the training personnel can ensure that the lower limbs of the training personnel do not damage the opponent when the two feet of the training personnel are positioned on the training pad 4, namely, the training personnel do not make a foul.

The upper end and the lower end of the sandbag 6 are respectively fixedly connected with a connecting rod 5, the connecting rods 5 are connected with the fixed frame 7 in a sliding mode, so that the connecting mode is different from that of a traditional rope, the sandbag 6 cannot bear force to swing left and right, the sandbag 6 can fully simulate the counterforce of a human body, in actual confrontation, an opponent only keeps two states of immobility or pushing, and the opponent cannot confront the athlete after being pushed, so that the sandbag 6 cannot swing left and right to be more fit with the actual confrontation condition, and the correct confrontation posture of a trainer in a relatively real environment is better trained.

One end of each connecting rod 5, which is far away from the corresponding connecting rod, is fixedly connected with a sliding plate 12, each sliding plate 12 is semicircular, and one side, which is far away from the training mat 4, of each sliding plate 12 is an arc-shaped surface.

Both ends are provided with the spout to slide 12 about mount 7, and the spout is similar with slide 12 shape, and spout arcwall face diameter is greater than slide 12 arcwall face diameter in order to avoid making slide 12 only can the unilateral slide, make slide 12 sand bag 6 promptly can slide for mount 7 multi-angle, make training personnel can promote sand bag 6 according to self demand and slide for mount 7 multi-angle, thereby make training personnel can formulate different training plans not be in specific scene according to self demand, make training personnel can effectively deal with different confrontation scenes.

Be provided with a plurality of compression spring 11 in the spout, a plurality of compression spring 11 evenly arranges around slide 12, can slide for mount 7 through compression spring 11 and exert the buffering for sand bag 6, avoids training personnel direct and the resistance that mount 7 felt to confront, avoids causing the damage to training personnel because of training personnel prepares not enough or device trouble.

The sliding plate 12 is horizontally provided with a limiting plate 13 on one side relatively close to the training mat 4, a limiting groove is formed in the fixing frame 7 for the limiting plate 13, the limiting plate 13 moves linearly left and right relative to the fixing frame 7, namely the device can change the left-right movement distance of the sliding plate 12 by moving the limiting plate 13, most training actions of a trainer can cause the sliding plate 12 to move left in the actual use process, at the moment, the distance for limiting the left movement of the sliding plate 12 can increase the initial compression length of the compression spring 11, so that when a user pushes the sandbag 6 to slide relative to the fixing frame 7, the initial counter force and the buffer distance sensed by the sandbag 6 can change along with the movement of the sliding plate 12, the sliding plate 12 moves left, the initial counter force sensed by the trainer is larger, the buffer distance is larger, the corresponding physical quality of an opponent is better, and the strength value is larger.

The limiting plate 13 is close to one end of the training pad 4 relatively and is fixedly connected with a screw I14, one end, far away from the resistance block 19 relatively, of the screw I14 extends out of the fixing frame 7, the screw I14 is in threaded connection with the fixing frame 7, so that the relative position of the screw I14 and the fixing frame 7 is changed by rotating the screw I14, namely, the relative distance between the right end face of the screw I14 and the fixing frame 7 is changed, and the left and right positions of the limiting plate 13 are changed.

The lower end of the fixing frame 7 is relatively close to the front end and the rear end of one side of the training pad 4, the front end and the rear end of the lower end of the fixing frame are respectively and rotatably connected with a telescopic rod 18, the front side and the rear side of the lower end of the fixing frame 7 are respectively and fixedly connected with a cross rod 15, the cross rod 15 is connected with a sliding block 16 in a sliding mode, the cross rod 15 relative to the sliding block 16 makes front and rear linear motion, and the sliding block 16 is rotatably connected with the telescopic rod 18.

The horizontal pole 15 is provided with the spout to slider 16, the spout has certain inclination, and the spout is close to mount 7 one side relatively down the terminal surface relative altitude be greater than the spout and keeps away from mount 7 one side relatively down the terminal surface relative altitude, and the spout has certain inclination and makes along with slider 16 keeps away from mount 7, and the relative interval between training pad 4 one end and the ground is kept away from relatively to telescopic link 18 reduces gradually (supposing this device to place subaerial).

The lower ends of the fixing frame 7 and the telescopic rod 18 are provided with resistance blocks 19 for adding resistance to the fixing frame 7, the longitudinal section of each resistance block 19 is arc-shaped so as to avoid stress concentration and stroke conflict, and the resistance blocks 19 are made of rubber so as to utilize the characteristic of high static friction coefficient of the rubber.

When the slider 16 is located the spout and is close to mount 7 one end relatively, the telescopic link 18 is kept away from the relative height of training pad 4 one end and is higher than mount 7 lower terminal surface relative height so that this device accessible slider 16 relatively, when making slider 16 move towards keeping away from mount 7 one side, the relative interval between the training pad 4 one end of keeping away from relatively of telescopic link 18 and ground diminishes gradually, thereby the area of contact on the telescopic link 18 of resistance piece 19 and ground receives the whole gravity influence of this device to increase gradually and make the whole resistance that receives of mount 7 increase, the distance increase between the training pad 4 one end of keeping away from relatively of telescopic link 18 and mount 7 also can increase the stability of this device mount 7 through the mode of enlarging the bottom surface area simultaneously, prevent to overturn, this device can increase the counter force according to training personnel's demand promptly, and the larger counter force the better the effect of this device is prevented toppling.

When the sliding block 16 is positioned at one end of the sliding chute relatively close to the fixed frame 7, the relative height of the lower end surface of the telescopic rod 18 is equal to that of the lower end surface of the fixed frame 7 so as to ensure that the resistance block 19 can normally function.

The telescopic rod 18 comprises two internal thread tubes 1801, the number of the internal thread tubes 1801 is two, a screw II 1802 is arranged between the two internal thread tubes 1801, the screw II 1802 is in threaded connection with the internal thread tubes 1801, the central axes of the screw II 1802 and the internal thread tubes 1801 coincide so that a user can limit the internal thread tubes 1801 from rotating, the relative length of the telescopic rod 18 is changed by rotating the screw II 1802 in a threaded connection mode, the relative length of the telescopic rod 18 is fixed, meanwhile, the resistance block 19 is in contact with the ground, the resistance block 19 can limit the internal thread tubes 1801 from rotating relative to the screw II 1802, and the user can manually limit the internal thread tubes 1801 from rotating relative to the screw II 1802.

The left end and the right end of the telescopic rod 18 are respectively and fixedly connected with a rotating mechanism 17, and the telescopic rod 18 is in sliding connection with the fixed frame 7 and the sliding block 16 through the rotating mechanism 17;

the rotating mechanism 17 comprises a mounting block 1701, a spherical groove is formed in the mounting block 1701, a connecting ball 1702 is rotatably connected in the spherical groove, and the telescopic rod 18 can rotate vertically and horizontally as required through the mutual matching between the spherical groove and the connecting ball 1702.

The working principle is as follows: according to the invention, whether the trainee breaks rules or not is judged by using the hit position sensed by the pressure sensor 603 and only the contact between the shoulder and the back of the trainee and the sand bag 6, so that the trainee can be helped to carry out specific training aiming at the trainee, and whether the actions of the trainee are standard or not is judged by using the characteristic that the piezoelectric sensing piece 3 is electrified under the pressure, so that the best breakthrough state can be achieved or not, and the trainee can be helped to make a targeted plan.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a basketball trainer is used in confrontation exercise which characterized in that: the sand bag fixing device comprises a fixing frame (7), wherein the fixing frame (7) is U-shaped, and a sand bag (6) is connected in a U-shaped opening of the fixing frame (7) in a sliding manner;

a pressure sensing layer is arranged in the sandbag (6), a plurality of pressure sensors (603) are arranged in the pressure sensing layer, the pressure sensors (603) are uniformly distributed around the vertical axis of the sandbag (6), and the pressure sensors (603) are used for sensing the shot position and shot pressure signals;

the pressure sensor (603) is electrically connected with a control module (8), and the pressure sensor (603) which is impacted in the actual training process transmits an impact pressure signal and an impact position signal to the control module (8);

mount (7) one side is provided with display screen (2), display screen (2) electric connection has wireless signal receiver (1), control module (8) output still electric connection has wireless signal transmitter (9), and control module (8) will receive hit pressure signal and hit the position signal and pass through wireless signal transmitter (9) with signal of telecommunication and send, by wireless signal receiver (1) search, receive through display screen (2) demonstration, can judge training person and sand bag (6) contact position directly perceived according to hitting the position signal distribution condition.

2. The basketball training apparatus for confrontation exercise as claimed in claim 1, wherein: a training pad (4) is arranged on one side of the fixing frame (7), and a U-shaped opening of the fixing frame (7) faces the training pad (4);

the training mat (4) is provided with a plurality of piezoelectric induction pieces (3), and the piezoelectric induction pieces (3) are arranged in a rectangular array;

the control module (8) is further electrically connected with the piezoelectric sensing piece (3), the piezoelectric sensing piece (3) is electrified under pressure and transmits an electric signal to the control module (8) in the actual training process, the control module (8) sends the electric signal out through the wireless signal transmitter (9), the electric signal is searched and received by the wireless signal receiver (1) and displayed by the display screen (2), and the standing positions of the feet and the basketball patting positions of the training personnel are judged according to the voltage value change frequency of the piezoelectric sensing piece in different areas.

3. The basketball training apparatus for confrontation exercise as claimed in claim 1, wherein: control module (8) still electric connection has calculating instrument (10), and control module (8) are hit position signal and hit pressure signal transmission for calculating instrument (10) that are sensed with pressure sensor (603), and hit the pressure value and send control module (8) with hitting the pressure value according to being hit position and being hit pressure signal calculation through calculating instrument (10).

4. The basketball training apparatus for confrontation exercise as claimed in claim 1, wherein: the upper end and the lower end of the sand bag (6) are respectively fixedly connected with a connecting rod (5), the ends, far away from the opposite ends of the two connecting rods (5), are respectively fixedly connected with a sliding plate (12), the sliding plates (12) are semicircular, and the sides, far away from the training mat (4), of the sliding plates (12) are arc-shaped surfaces;

the upper end and the lower end of the fixed frame (7) are provided with sliding chutes aiming at the sliding plate (12), the sliding chutes are similar to the sliding plate (12) in shape, and the diameter of the arc-shaped surface of each sliding chute is larger than that of the arc-shaped surface of the sliding plate (12);

a plurality of compression springs (11) are arranged in the sliding groove, and the compression springs (11) are uniformly distributed around the sliding plate (12).

5. The basketball training apparatus for confrontation training as claimed in claim 4, wherein: a limiting plate (13) is horizontally arranged on one side, close to the training mat (4), of the sliding plate (12), a limiting groove is formed in the fixing frame (7) corresponding to the limiting plate (13), and the limiting plate (13) moves linearly left and right relative to the fixing frame (7);

limiting plate (13) are close to training pad (4) one end relatively and rotate and are connected with a screw rod I (14), screw rod I (14) are kept away from resistance piece (19) one end relatively and are extended outside mount (7) to screw rod I (14) and mount (7) spiro union.

6. The basketball training apparatus for confrontation exercise as claimed in claim 1, wherein: the front end and the rear end of the lower end of the fixing frame (7) which are relatively close to one side of the training mat (4) are respectively and rotatably connected with a telescopic rod (18);

the front side and the rear side of the lower end of the fixed frame (7) are respectively and fixedly connected with a cross rod (15), the cross rod (15) is connected with a sliding block (16) in a sliding manner, the sliding block (16) makes front-rear linear motion relative to the cross rod (15), and the sliding block (16) is rotatably connected with a telescopic rod (18);

a sliding groove is formed in the cross rod (15) and corresponds to the sliding block (16), the sliding groove has a certain inclination angle, and the relative height of the lower end face of the sliding groove on one side close to the fixed frame (7) is larger than that of the lower end face of the sliding groove on one side far away from the fixed frame (7);

when the sliding block (16) is positioned at one end of the sliding groove, which is relatively close to the fixed frame (7), the relative height of one end, which is relatively far away from the training pad (4), of the telescopic rod (18) is higher than the relative height of the lower end face of the fixed frame (7), and when the sliding block (16) is positioned at one end, which is relatively close to the fixed frame (7), of the sliding groove, the relative height of the lower end face of the telescopic rod (18) is equal to the relative height of the lower end face of the fixed frame (7);

and resistance blocks (19) are arranged at the lower ends of the cross rod (15) and the telescopic rod (18).

7. The basketball training apparatus for confrontation training as claimed in claim 6, wherein: the telescopic rod (18) comprises two internal threaded pipes (1801), the number of the internal threaded pipes (1801) is two, a screw II (1802) is arranged between the two internal threaded pipes (1801), the screw II (1802) is in threaded connection with the internal threaded pipes (1801), and the central axes of the screw II (1802) and the internal threaded pipes (1801) coincide.

8. The basketball training apparatus for confrontation training as claimed in claim 7, wherein: the left end and the right end of the telescopic rod (18) are respectively and fixedly connected with a rotating mechanism (17), and the telescopic rod (18) is in sliding connection with the fixed frame (7) and the sliding block (16) through the rotating mechanism;

the rotating mechanism (17) comprises a mounting block (1701), a spherical groove is formed in the mounting block (1701), and a connecting ball (1702) is rotatably connected in the spherical groove.

9. The basketball training apparatus for confrontation exercise as claimed in claim 1, wherein: the sand bag (6) is sequentially provided with a contact layer (604), a pressure induction layer, a buffer layer (602) and a filling layer (601) from outside to inside.