阅读说明：本技术 一种可以自动捡球的乒乓球发球机器人 (Table tennis service robot capable of automatically picking up balls ) 是由 朱亚云 于 2020-07-03 设计创作，主要内容包括：本发明公开了一种可以自动捡球的乒乓球发球机器人,包括底板、基座、四组行走机构、发球机构、捡球机构、寻球机构以及供电机构,所述底板水平设置,所述基座固定安装在在所述底板的上部,四组所述行走机构均固定安装在所述底板的底部,且四组所述行走机构对称设置。本发明,其可以代替教练或者陪练给训练运动员发球用于乒乓球训练,这样可以有效降低人力负担,同时可以有效节约教练或者陪练的时间和力气,具备可以自动捡球的功能,可解决现状中训练完之后地面上会存在大量乒乓球需要人力去收集而导致的费时费力的问题,智能化程度较高,可以精准找到掉落的乒乓球,避免盲目工作,有效提高该机器人的工作效率。(The invention discloses a table tennis service robot capable of automatically picking up a table tennis, which comprises a bottom plate, a base, four groups of walking mechanisms, a service mechanism, a ball picking mechanism, a ball searching mechanism and a power supply mechanism, wherein the bottom plate is horizontally arranged, the base is fixedly arranged at the upper part of the bottom plate, the four groups of walking mechanisms are fixedly arranged at the bottom of the bottom plate, and the four groups of walking mechanisms are symmetrically arranged. The invention can be used for serving balls for training athletes instead of coaches or accompanying exercises for table tennis training, so that the labor load can be effectively reduced, the time and strength of coaches or accompanying exercises can be effectively saved, the invention has the function of automatically picking up the balls, can solve the problem that a large number of table tennis balls are collected by manpower after training in the current situation, thereby wasting time and labor, has higher intelligent degree, can accurately find the dropped table tennis balls, avoids blind work and effectively improves the working efficiency of the robot.)

1. The table tennis service robot capable of automatically picking up the table tennis is characterized by comprising a bottom plate (1), a base (2), four groups of walking mechanisms (3), a service mechanism (4), a ball picking mechanism (5), a ball searching mechanism (6) and a power supply mechanism (7), wherein the bottom plate (1) is horizontally arranged, the base (2) is fixedly arranged on the upper portion of the bottom plate (1), and the four groups of walking mechanisms (3) are fixedly arranged at the bottom of the bottom plate (1).

2. The ping-pong service robot capable of automatically picking up balls according to claim 1, wherein four sets of said traveling mechanisms (3) are symmetrically arranged, the ball serving mechanism (4) is arranged on the base (2) and the bottom plate (1), the ball picking mechanism (5) is arranged on the base (2), the ball picking mechanism (5) is matched with the ball serving mechanism (4), the ball searching mechanism (6) is arranged at the upper part of the base (2), the ball searching mechanism (6) is respectively electrically connected with the four groups of the travelling mechanism (3), the ball serving mechanism (4) and the ball picking mechanism (5), the power supply mechanism (7) is arranged on the base (2), the power supply mechanism (7) is respectively and electrically connected with the four groups of the travelling mechanism (3), the service mechanism (4), the ball picking mechanism (5) and the ball searching mechanism (6);

each group of travelling mechanisms (3) comprises a vertical plate (301), a connecting shaft (303), a first driving motor (304) and travelling wheels (302), the vertical plate (301) is vertically and fixedly installed at the bottom of the bottom plate (1), the connecting shaft (303) is fixedly and horizontally installed at the bottom end of the vertical plate (301) through a rolling bearing, the first driving motor (304) is fixedly installed at the bottom of the bottom plate (1) through an assembling seat (305), a rotating shaft of the first driving motor (304) is fixedly connected with one end of the connecting shaft (303), the travelling wheels (302) are fixedly installed at the end part of the other end of the connecting shaft (303), and the travelling wheels (302) are perpendicular to the connecting shaft (303);

wherein the ball serving mechanism (4) comprises a ball inlet channel (403), a conveying channel (406), an accelerating channel (415), a ball placing hopper (401), a throwing pipeline (410), a first high-pressure air pump (404), a fitting groove (407) and a second high-pressure air pump (408), the ball inlet channel (403) is horizontally arranged at the bottom of the interior of the base (2), the conveying channel (406) is vertically arranged in the interior of the base (2), the conveying channel (406) is communicated with the ball inlet channel (403), the accelerating channel (415) is arranged at the upper part of the interior of the base (2) in an arc shape, the accelerating channel (415) is communicated with the conveying channel (406), the bottom end of the ball placing hopper (401) is communicated with the ball inlet channel (403) through an arc-shaped bent pipe (402), and the ball placing hopper (401) is positioned at one side of the base (2), throw pipeline (410) slope and install fixedly on the another side of base (2), just the bottom of throwing pipeline (410) with channel (415) is linked together with higher speed, first high compression pump (404) are through fixing base (414) fixed mounting in the bottom of bottom plate (1), just the gas outlet fixed mounting of first high compression pump (404) has first jet-propelled pipe (405), first jet-propelled pipe (405) are kept away from the one end of first high compression pump (404) stretch into advance ball passageway (403) with the juncture of transfer passage (406), join in marriage dress groove (407) and fix and set up base (2) dorsad on a side of throwing pipeline (410), second high compression pump (408) fixed mounting in join in marriage the inside of dress groove (407), just the gas outlet fixed mounting of second high compression pump (408) has second jet-propelled pipe (409), one end of the second air injection pipe (409) far away from the second high-pressure air pump (408) extends into the junction of the conveying channel (406) and the accelerating channel (415);

pick up ball mechanism (5) and include second driving motor (507), square sleeve pipe (501), square connecting wall (502), fixed plate (509), lead screw (506), mount pad (503), first electric putter (504) and grab ball subassembly (8), second driving motor (507) through supporting seat (505) fixed mounting base (2) dorsad put on the side of ball fill (401), square sleeve pipe (501) level and fixedly install the upper portion of base (2), square connecting wall (502) is slided and is installed the inside of square sleeve pipe (501), just the surface of square connecting wall (502) with the inner wall of square sleeve pipe (501) is laminated mutually and is set up, fixed plate (509) fixed mounting square sleeve pipe (501) are close to the one end tip of second driving motor (507), lead screw (506) pass through antifriction bearing level and fixedly install the center of fixed plate (509) in The position department, just the one end of lead screw (506) pass through shaft coupling (508) with the axis of rotation fixed connection of second driving motor (507), the other end spiro union of lead screw (506) is in the inside of square connection wall (502), mount pad (503) fixed mounting square connection wall (502) dorsad the one end tip of second driving motor (507), just mount pad (503) are located the outside of square sleeve pipe (501), first electric putter (504) are vertical and fixedly install the inside of mount pad (503), grab ball subassembly (8) and install the flexible end tip of first electric putter (504), just grab ball subassembly (8) with put ball fill (401) and cooperate the setting.

3. The ping-pong service robot capable of automatically picking up balls according to claim 2, wherein the ball catching assembly (8) comprises a first gantry-shaped fixing frame (801), a second gantry-shaped fixing frame (814), a second electric push rod (802), a circular shaft (810), a first connecting cross piece (806), a second connecting cross piece (811), a first connecting vertical piece (807), a second connecting vertical piece (812), a first movable piece (804), a second movable piece (813), a third movable piece (803), a first clamping block (808) and a second clamping block (809), the first gantry-shaped fixing frame (801) is vertically and fixedly installed at the telescopic end of the first electric push rod (504), the second gantry-shaped fixing frame (814) is vertically and fixedly installed at the bottom of the first gantry-shaped fixing frame (801), the second electric push rod (802) is vertically and fixedly installed inside the first gantry-shaped fixing frame (801), the telescopic end of the second electric push rod (802) movably extends into the second gantry-shaped fixing frame (814), the circular shaft (810) is horizontally and fixedly installed inside the bottom of the second gantry-shaped fixing frame (814), one end of the first connecting transverse plate (806) and one end of the second connecting transverse plate (811) are hinged on the circular shaft (810), the first connecting vertical plate (807) is fixedly installed at the other end part of the first connecting transverse plate (806), the first connecting vertical plate (807) is arranged perpendicular to the first connecting transverse plate (806), the second connecting vertical plate (812) is fixedly installed at the other end part of the second connecting transverse plate (811), the second connecting vertical plate (812) is arranged perpendicular to the second connecting transverse plate (811), one end of the first movable plate (804) is hinged and connected with the upper end of the first connecting vertical plate (807), one end of the second movable piece (813) is hinged to the upper end of the second connecting vertical piece (812), the third movable piece (803) is vertically and fixedly installed at the telescopic end of the second electric push rod (802), the bottom end of the third movable piece (803) is hinged to the other end of the first movable piece (804) and the other end of the second movable piece (813), the first clamping block (808) is fixedly installed at the bottom end of the first connecting vertical piece (807), the second clamping block (809) is fixedly installed at the bottom end of the second connecting vertical piece (812), and an accommodating cavity for clamping a table tennis ball is formed between the second clamping block (809) and the first clamping block (808).

4. The ping-pong service robot capable of automatically picking up balls according to claim 3, wherein a circular blocking piece (805) is further fixedly sleeved on the middle portion of the circular shaft (810), the circular blocking piece (805) is located between the first connecting cross piece (806) and the second connecting cross piece (811), and the circular blocking piece (805) is respectively attached to the first connecting cross piece (806) and the second connecting cross piece (811).

5. The table tennis service robot capable of automatically picking up the table tennis according to claim 1, wherein a first side cover (411) is further fixedly installed at the notch of the assembling slot (407) through a first bolt (413), and a plurality of through holes (412) are uniformly formed on the first side cover (411).

6. The ping-pong ball serving robot capable of automatically picking up balls according to claim 3, wherein the ball searching mechanism (6) comprises a square box body (601), a box cover (603), four assembling blocks (605), four cameras (606) and a controller (607), the square box body (601) is fixedly arranged on the upper part of the base (2) through two support rods (602), the box cover (603) is fixedly arranged on the upper part of the square box body (601), the four assembling blocks (605) are respectively and fixedly arranged on the four side surfaces of the square box body (601) through cross rods (604), the four cameras (606) are respectively embedded at the bottoms of the four assembling blocks (605), the controller (607) is fixedly arranged in the square box body (601), and the controller (607) is respectively connected with the first driving motor (304), The first high-pressure air pump (404), the second high-pressure air pump (408), the second driving motor (507), the first electric push rod (504), the second electric push rod (802) and the camera (606) are electrically connected.

7. The ping-pong service robot capable of automatically picking up balls according to claim 6, wherein the power supply mechanism (7) comprises a mounting groove (701), a storage battery (702), a second side cover (703) and a charging interface (705), the mounting groove (701) is opened on a side of the base (2) opposite to the mounting groove (407), the storage battery (702) is fixedly mounted inside the mounting groove (701), the storage battery (702) is respectively electrically connected with the controller (607), the first driving motor (304), the first high pressure air pump (404), the second high pressure air pump (408), the second driving motor (507), the first electric push rod (504), the second electric push rod (802) and the camera (606), the second side cover (703) is fixedly mounted at a notch of the mounting groove (701) through a second bolt (704), the charging interface (705) is embedded on one side face of the base (2), and the charging interface (705) is electrically connected with the storage battery (702).

8. The ping-pong ball serving robot capable of automatically picking up the table tennis according to claim 7, wherein a touch display screen (9) is further embedded on one side surface of the base (2) embedded with the charging interface (705), and the touch display screen (9) is electrically connected with the controller (607) in a bidirectional way through a data line.

9. The ping-pong ball serving robot capable of automatically picking up the balls according to claim 7, wherein a power switch (10) is further fixedly installed on one side surface of the base (2) embedded with the charging interface (705), and the power switch (10) is electrically connected with the storage battery (702).

10. The ping-pong ball serving robot capable of automatically picking up balls according to claim 7, wherein a plurality of radar sensors (11) are fixedly mounted on the peripheral edge of the bottom plate (1), and the plurality of radar sensors (11) are electrically connected with the controller (607).

Technical Field

The invention relates to the technical field of robots, in particular to a table tennis serving robot capable of automatically picking up a table tennis.

Background

Table tennis, known as the "ball" of China, is a popular ball game in the world, including attack, confrontation and defense. The match is divided into a plurality of groups, such as single play, double play, mixed double play and the like; in 2001, 21 is divided into one part before 9/1 day, and 11 is divided into one part at present; three-two-win, five-win and seven-win are adopted. The table tennis ball is spherical, weighs 2.53-2.70 grams, and is white or orange, and is a novel plastic ball made of high molecular polymer.

Disclosure of Invention

The technical task of the invention is to provide a table tennis service robot capable of automatically picking up balls, which can be used for serving balls for training athletes instead of coaches or accompanying exercises for table tennis training, so that the labor burden can be effectively reduced, the time and strength of coaches or accompanying exercises can be effectively saved, the robot has the function of automatically picking up balls, the problem that a large number of table tennis balls need to be collected by manpower on the ground after training in the current situation, the time and the labor are wasted can be solved, the intelligence degree is high, the dropped table tennis balls can be accurately found, the blind work is avoided, the work efficiency of the robot is effectively improved, and the problem is solved.

The technical scheme of the invention is realized as follows:

the table tennis service robot comprises a bottom plate, a base, four groups of walking mechanisms, a service mechanism, a ball searching mechanism and a power supply mechanism, wherein the bottom plate is horizontally arranged, the base is fixedly arranged on the upper part of the bottom plate, the four groups of walking mechanisms are fixedly arranged at the bottom of the bottom plate, the four groups of walking mechanisms are symmetrically arranged, the service mechanism is arranged on the base and the bottom plate, the ball searching mechanism is arranged on the base, the ball searching mechanism is matched with the service mechanism, the ball searching mechanism is arranged on the upper part of the base, the ball searching mechanism is respectively and electrically connected with the four groups of walking mechanisms, the service mechanism and the ball searching mechanism, the power supply mechanism is arranged on the base, and the power supply mechanism is respectively and electrically connected with the four groups of walking mechanisms, The service mechanism is electrically connected with the ball picking mechanism and the ball searching mechanism;

each group of travelling mechanisms comprises a vertical plate, a connecting shaft, a first driving motor and travelling wheels, wherein the vertical plate is vertically and fixedly arranged at the bottom of the bottom plate, the connecting shaft is fixedly and horizontally arranged at the bottom end of the vertical plate through a rolling bearing, the first driving motor is fixedly arranged at the bottom of the bottom plate through a mounting seat, a rotating shaft of the first driving motor is fixedly connected with one end of the connecting shaft, the travelling wheels are fixedly arranged at the other end part of the connecting shaft, and the travelling wheels are perpendicular to the connecting shaft;

wherein, the ball serving mechanism comprises a ball inlet channel, a conveying channel, an accelerating channel, a ball placing hopper, a throwing pipeline, a first high-pressure air pump, a matching groove and a second high-pressure air pump, the ball inlet channel is horizontally arranged at the bottom inside the base, the conveying channel is vertically arranged inside the base, the conveying channel is communicated with the ball inlet channel, the accelerating channel is arranged at the upper part inside the base in an arc shape and is communicated with the conveying channel, the bottom end of the ball placing hopper is communicated with the ball inlet channel through an arc-shaped bent pipe, the ball placing hopper is positioned at one side of the base, the throwing pipeline is obliquely and fixedly arranged on the other side surface of the base, the bottom end of the throwing pipeline is communicated with the accelerating channel, and the first high-pressure air pump is fixedly arranged at the bottom of the bottom plate through an air pump fixing seat, just the gas outlet fixed mounting of first high compression pump has first jet-propelled pipe, first jet-propelled pipe is kept away from the one end of first high compression pump stretches into advance the ball passageway with delivery channel's juncture, join in marriage the fixed seting up of dress groove the base dorsad on the side of throwing out the pipeline, second high compression pump fixed mounting be in join in marriage the inside in dress groove, just the gas outlet fixed mounting of second high compression pump has the jet-propelled pipe of second, the jet-propelled pipe of second is kept away from the one end of second high compression pump stretches into delivery channel with the juncture of passageway with higher speed.

Preferably, the ball picking mechanism comprises a second driving motor, a square sleeve, a square connecting wall, a fixing plate, a screw rod, a mounting seat, a first electric push rod and a ball catching assembly, the second driving motor is fixedly mounted on one side surface of the base, which is back to the ball placing hopper, through a supporting seat, the square sleeve is horizontally and fixedly mounted on the upper portion of the base, the square connecting wall is slidably mounted inside the square sleeve, the outer surface of the square connecting wall is attached to the inner wall of the square sleeve, the fixing plate is fixedly mounted at one end portion, close to the second driving motor, of the square sleeve, the screw rod is horizontally and fixedly mounted at the center position of the fixing plate through a rolling bearing, and one end of the screw rod is fixedly connected with a rotating shaft of the second driving motor through a coupler, the other end spiro union of lead screw is in the inside of square connection wall, mount pad fixed mounting square connection wall dorsad the one end tip of second driving motor, just the mount pad be located square sheathed tube outside, first electric putter is vertical and install fixedly the inside of mount pad, grab the ball subassembly and install first electric putter's flexible end tip, just grab the ball subassembly with put the ball fill and cooperate the setting.

Preferably, the ball catching assembly comprises a first gantry-shaped fixing frame, a second electric push rod, a circular shaft, a first connecting transverse sheet, a second connecting transverse sheet, a first connecting vertical sheet, a second connecting vertical sheet, a first movable sheet, a second movable sheet, a third movable sheet, a first clamping block and a second clamping block, the first gantry-shaped fixing frame is vertically and fixedly arranged at the end part of the telescopic end of the first electric push rod, the second gantry-shaped fixing frame is vertically and fixedly arranged at the bottom of the first gantry-shaped fixing frame, the second electric push rod is vertically and fixedly arranged in the first gantry-shaped fixing frame, the telescopic end of the second electric push rod movably extends into the second gantry-shaped fixing frame, the circular shaft is horizontally and fixedly arranged in the bottom of the second gantry-shaped fixing frame, one end of the first connecting transverse sheet and one end of the second connecting transverse sheet are both hinged on the circular shaft, the first connecting vertical piece is fixedly arranged at the end part of the other end of the first connecting transverse piece, the first connecting vertical piece is perpendicular to the first connecting transverse piece, the second connecting vertical piece is fixedly arranged at the end part of the other end of the second connecting transverse piece, the second connecting vertical piece is perpendicular to the second connecting transverse piece, one end of the first movable piece is hinged with the upper end of the first connecting vertical piece, one end of the second movable piece is hinged with the upper end of the second connecting vertical piece, the third movable piece is vertically and fixedly arranged at the end part of the telescopic end of the second electric push rod, the bottom end of the third movable piece is hinged with the other end of the first movable piece and the other end of the second movable piece respectively, the first clamping block is fixedly arranged at the end part of the bottom end of the first connecting vertical piece, and the second clamping block is fixedly arranged at the end part of the second connecting vertical piece, and an accommodating cavity for clamping table tennis is arranged between the second clamping block and the first clamping block.

Preferably, the middle part of the circular shaft is further fixedly sleeved with a circular blocking piece, the circular blocking piece is located between the first connecting transverse piece and the second connecting transverse piece, and the circular blocking piece is attached to the first connecting transverse piece and the second connecting transverse piece respectively.

Preferably, a first side cover is fixedly installed at the notch of the assembling groove through a first bolt, and a plurality of through holes are uniformly formed in the first side cover.

As preferred, look for ball mechanism and include square box body, lid, four and join in marriage dress piece, four cameras and controller, square box body is in through two bracing piece fixed mounting the upper portion of base, lid fixed mounting be in the upper portion of square box body, four join in marriage the dress piece and all pass through horizontal pole difference fixed mounting on four sides of square box body, four the camera inlays the dress respectively and is in four the bottom of joining in marriage the dress piece, controller fixed mounting be in the inside of square box body, just the controller respectively with first driving motor first high-pressure air pump second driving motor first electric putter second electric putter and camera electric connection.

Preferably, the power supply mechanism comprises a mounting groove, a storage battery, a second side cover and a charging interface, the mounting groove is formed in the base, the base faces away from a side face of the mounting groove, the storage battery is fixedly mounted inside the mounting groove, the storage battery is respectively connected with the controller, the first driving motor, the first high-pressure air pump, the second driving motor, the first electric push rod, the second electric push rod and the camera in an electric connection mode, the second side cover is fixedly mounted at a notch of the mounting groove through a second bolt, the charging interface is embedded on the side face of the base, and the charging interface is electrically connected with the storage battery.

Preferably, a touch display screen is further embedded on one side surface of the base, where the charging interface is embedded, and the touch display screen is electrically connected with the controller in a bidirectional mode through a data line.

Preferably, a power switch is fixedly mounted on one side surface of the base, on which the charging interface is embedded, and the power switch is electrically connected with the storage battery.

Preferably, a plurality of radar sensors are fixedly mounted on the peripheral edge of the bottom plate, and the plurality of radar sensors are electrically connected with the controller.

Compared with the prior art, the invention has the advantages and positive effects that:

1. according to the invention, the ball serving mechanism is used for completing ball serving work and can replace a coach or an accompanying person to serve balls for a trainer for table tennis training, so that the labor load can be effectively reduced, and the time and strength of the coach or the accompanying person can be effectively saved;

2. according to the robot, the arranged ball picking mechanism is used for picking up table tennis balls falling from the ground of a training field and supplying the picked table tennis balls to the ball serving mechanism, so that the robot has the function of automatically picking up the table tennis balls, and the problem that in the current situation, a large number of table tennis balls need to be manually collected on the ground after training, so that time and labor are wasted can be solved;

3. according to the invention, four groups of walking mechanisms are arranged for realizing that the robot can turn to walk, the ball searching mechanism is arranged for searching the table tennis balls falling on the ground, when the table tennis balls on the ground are found, the four groups of walking mechanisms are controlled to work to enable the robot to move towards the found table tennis balls, when the robot walks to the front of the found table tennis balls, the ball picking mechanism is controlled to pick up the found table tennis balls, and the picked table tennis balls are supplied to the ball serving mechanism for use, so that the robot has higher intelligent degree, can accurately find the falling table tennis balls, avoids blind work, and effectively improves the working efficiency of the robot.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a table tennis service robot capable of automatically picking up a table tennis according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a table tennis service robot from another perspective capable of automatically picking up balls according to an embodiment of the present invention;

FIG. 3 is a second schematic structural view of another perspective of a table tennis service robot capable of automatically picking up balls according to an embodiment of the present invention;

fig. 4 is a third schematic structural view of another perspective of a table tennis service robot capable of automatically picking up a table tennis according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a traveling mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a ball searching mechanism according to an embodiment of the invention;

FIG. 7 is a schematic structural view of a ball picking mechanism according to an embodiment of the present invention;

FIG. 8 is an enlarged schematic view of the detail view A of FIG. 7;

FIG. 9 is a schematic structural view of a ball capture assembly according to an embodiment of the present invention;

FIG. 10 is a partial structural view of a table tennis service robot capable of automatically picking up balls according to an embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view of FIG. 10;

fig. 12 is a schematic view of the structure of fig. 11 after changing the viewing angle.

In the figure:

1. a base plate; 2. a base; 3. a traveling mechanism; 301. a vertical plate; 302. a traveling wheel; 303. a connecting shaft; 304. a first drive motor; 305. assembling a base; 4. a service mechanism; 401. a ball placing hopper; 402. an arc-shaped bent pipe; 403. a goal passage; 404. a first high-pressure air pump; 405. a first gas lance; 406. a delivery channel; 407. assembling the groove; 408. a second high-pressure air pump; 409. a second gas lance; 410. throwing out the pipeline; 411. a first side cover; 412. a through hole; 413. a first bolt; 414. a fixed seat; 415. an acceleration channel; 5. a ball picking mechanism; 501. a square sleeve; 502. a square connecting wall; 503. a mounting seat; 504. a first electric push rod; 505. a supporting seat; 506. a screw rod; 507. a second drive motor; 508. a coupling; 509. a fixing plate; 6. a ball searching mechanism; 601. a square box body; 602. a support bar; 603. a box cover; 604. a cross bar; 605. assembling the block; 606. a camera; 607. a controller; 7. a power supply mechanism; 701. mounting grooves; 702. a storage battery; 703. a second side cover; 704. a second bolt; 705. a charging interface; 8. a ball catching assembly; 801. a first gantry-shaped mount; 802. a second electric push rod; 803. a third movable piece; 804. a first movable piece; 805. a circular baffle plate; 806. a first connecting cross piece; 807. a first connecting riser; 808. a first clamping block; 809. a second clamp block; 810. a circular shaft; 811. a second connecting cross piece; 812. a second connecting riser; 813. a second movable plate; 814. a second gantry-shaped fixing frame; 9. a touch display screen; 10. a power switch; 11. a radar sensor.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention is further described with reference to the following figures and specific examples.