CN103801066A - Ball throwing device for tennis service practices - Google Patents
Ball throwing device for tennis service practicesDownload PDFInfo
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- CN103801066A CN103801066ACN201410084486.1ACN201410084486ACN103801066ACN 103801066 ACN103801066 ACN 103801066ACN 201410084486 ACN201410084486 ACN 201410084486ACN 103801066 ACN103801066 ACN 103801066A
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Abstract
Translated fromChineseDescription
Translated fromChinese技术领域:Technical field:
本发明涉及机械领域，尤其涉及体育运动器材，特别涉及自动抛射装置，具体地是一种用于网球发球动作练习的抛球装置。The invention relates to the field of machinery, in particular to sports equipment, in particular to an automatic throwing device, in particular to a ball throwing device used for practicing tennis serve movements.
背景技术:Background technique:
网球是普及的竞技运动项目。对网球初学者而言，握拍、发球、击球是三大基本技术，其中发球是一项完全由运动员单方面支配的得分技术，在整场比赛中，成功发球技术对比赛胜负起到举足轻重的作用。发球技术包括平击发球、切削发球和上旋发球，三种不同性质的发球技术在握拍方法、抛球位置、击球点、反弹方向是有所不同的。要掌握好不同的三种类型发球和准确判断网球在空中的落点进行击打，需要经过反复练习和训练。由于发球过程中首先需要有一个上抛网球的过程，由运动员不断重复上抛网球的过程会减少其实际练习击打的时间。Tennis is a popular competitive sport. For tennis beginners, holding the racket, serving, and hitting are the three basic skills. Among them, serving is a scoring technique that is completely controlled by the player unilaterally. pivotal role. Serving techniques include flat serve, sliced serve and topspin serve. The three different types of serve techniques are different in the grip method, throwing position, hitting point and rebound direction. To master the different three types of serving and accurately judge the landing point of the tennis ball in the air to hit, it needs repeated practice and training. Because the process of throwing a tennis ball firstly needs to be arranged in the serving process, the process of constantly repeating the throwing tennis ball will reduce the time for its actual practice hitting.
发明内容：Invention content:
本发明的目的在于提供一种用于网球发球动作练习的抛球装置，所述的这种用于网球发球动作练习的抛球装置要解决现有技术中运动员不断重复上抛网球的过程导致其实际练习击打的时间减少的技术问题。The object of the present invention is to provide a ball throwing device used for tennis serving practice, said ball throwing device used for tennis serving practice to solve the problems caused by the players in the prior art constantly repeating the process of throwing the tennis ball up. A technical problem that reduces the time to actually practice hitting.
本发明的这种用于网球发球动作练习的抛球装置，包括一个底座，其中，所述的底座上固定设置有一个立柱，所述的立柱的上端设置有一个支撑轴，所述的支撑轴的轴向与立柱的长度方向垂直，支撑轴上设置有一个摆动杆，支撑轴与立柱之间、或者支撑轴与摆动杆之间、或者支撑轴与摆动杆和立柱之间设置有转动副，摆动杆包括有一个第一端和一个第二端，摆动杆中沿其长度方向设置有一个轨道，所述的轨道位于摆动杆的第一端与支撑轴的轴心位置之间，摆动杆的第二端连接有一个上下往返驱动装置，轨道在摆动杆的第一端处的末端设置有一个挡板，立柱的上端固定设置有一个限位杆，所述的限位杆的一端延伸到摆动杆的行程中，底座上通过连接件连接有一个网球篮，所述的网球篮呈漏斗状，网球篮的底部设置有一个出口，所述的出口位于摆动杆中轨道的上方，出口的下端设置有一个开关门板，所述的开关门板与一个驱动机构连接。The ball throwing device used for tennis serving practice according to the present invention includes a base, wherein a column is fixedly arranged on the base, and a support shaft is provided on the upper end of the column, and the support shaft The axial direction is perpendicular to the length direction of the column, a swing rod is arranged on the support shaft, and a rotating pair is arranged between the support shaft and the column, or between the support shaft and the swing rod, or between the support shaft, the swing rod and the column, The swing rod includes a first end and a second end, and a track is arranged along the length direction of the swing rod, and the track is located between the first end of the swing rod and the axis position of the support shaft, and the swing rod The second end is connected with an up and down reciprocating drive device, the end of the track at the first end of the swing rod is provided with a baffle plate, and the upper end of the column is fixedly provided with a limit rod, and one end of the limit rod extends to the swing During the stroke of the rod, a tennis basket is connected to the base through a connecting piece. The tennis basket is funnel-shaped, and an outlet is arranged at the bottom of the tennis basket. The outlet is located above the track in the swing rod, and the lower end of the outlet is arranged There is a switch door panel, and the switch door panel is connected with a driving mechanism.
进一步的，开关门板所连接的驱动机构与所述的上下往返驱动装置连接。Further, the driving mechanism connected to the switch door panel is connected to the above-mentioned up and down reciprocating driving device.
进一步的，摆动杆由一个主杆和一个延长杆构成，所述的延长杆的长度方向与所述的主杆的长度方向重合，摆动杆的第一端位于延长杆的一端，延长杆的另一端与主杆的一端连接，轨道分别位于主杆和延长杆上。Further, the swing rod is composed of a main rod and an extension rod, the length direction of the extension rod coincides with the length direction of the main rod, the first end of the swing rod is located at one end of the extension rod, and the other end of the extension rod One end is connected with one end of the main pole, and the tracks are respectively located on the main pole and the extension pole.
进一步的，摆动杆呈管状，所述的轨道由摆动杆的管腔构成，管腔在摆动杆的第一端设置有向上的出口。Further, the swing rod is in the shape of a tube, the track is formed by a lumen of the swing rod, and the lumen is provided with an upward outlet at the first end of the swing rod.
进一步的，所述的上下往返驱动装置包括一个电机，所述的电机固定设置在底座上，电机的输出轴上通过减速机构连接有一个曲柄，摆动杆的第二端与一个第一连杆的一端铰接，所述的第一连杆的另一端与所述的曲柄的一端铰接。Further, the up and down reciprocating driving device includes a motor, the motor is fixedly arranged on the base, a crank is connected to the output shaft of the motor through a reduction mechanism, and the second end of the swing rod is connected to the first connecting rod. One end is hinged, and the other end of the first connecting rod is hinged with one end of the crank.
进一步的，所述的开关门板的一侧与立柱、或者摆动杆、或者网球篮的底部出口侧壁铰接，开关门板上固定连接有一个拉杆，所述的拉杆的一端与一个第二连杆的一端铰接，所述的第二连杆的另一端与所述的曲柄的一端铰接。Further, one side of the switch door panel is hinged with the column, or the swing rod, or the bottom outlet side wall of the tennis basket, and a pull rod is fixedly connected to the switch door panel, and one end of the pull rod is connected to a second connecting rod. One end is hinged, and the other end of the second connecting rod is hinged with one end of the crank.
进一步的，底座的下侧设置有车轮，底座上设置有手推架。Further, the underside of the base is provided with wheels, and the base is provided with a trolley.
进一步的，摆动杆的第一端到支撑轴的轴心的距离大于摆动杆的第二端到支撑轴的轴心的距离。Further, the distance from the first end of the swing rod to the axis of the support shaft is greater than the distance from the second end of the swing rod to the axis of the support shaft.
进一步的，电机包括有一个控制端，所述的控制端与一个控制器连接。Further, the motor includes a control terminal, and the control terminal is connected with a controller.
进一步的，底座上设置有电源。Further, the base is provided with a power supply.
本发明的工作原理是：在网球篮中放置多个网球，开关门板阻挡网球篮中的网球落下。启动上下往返驱动装置后，摆动杆的第一端下移，同时，开关门板转动打开网球篮下端的出口，摆动杆的第一端下移到最底端时，网球篮下端的出口完全打开，一个网球落到摆动杆的轨道中，此时，摆动杆的第一端向上移动，同时，开关门板开始关闭网球篮下端的出口，阻挡下一个网球落下。摆动杆的第一端在上移过程中，落入轨道的网球沿轨道运动到摆动杆第一端的末端出口处并由挡板阻挡，上下往返驱动装置驱动摆动杆变向，网球在惯性作用下被向上抛出。限位杆可使摆动杆第一端的上移行程立刻中止，增加网球抛出时的初速度。摆动杆与限位杆的撞击能量由限位杆、立柱吸收。通过控制器调节上下往返驱动装置中的电机的运转速度，可以调节网球抛起的高度，适应不同的练习目的。The working principle of the present invention is as follows: a plurality of tennis balls are placed in the tennis basket, and a door plate is opened and closed to prevent the tennis balls in the tennis basket from falling. After starting the up and down reciprocating driving device, the first end of the swing rod moves down, and at the same time, the switch door panel rotates to open the outlet at the lower end of the tennis basket. When the first end of the swing rod moves down to the bottom end, the outlet at the lower end of the tennis basket is fully opened. A tennis ball falls in the track of swing bar, and at this moment, the first end of swing bar moves upwards, and simultaneously, switch door panel begins to close the outlet of tennis basket lower end, stops next tennis from falling. During the upward movement of the first end of the swing rod, the tennis balls falling into the track move along the track to the end exit of the first end of the swing rod and are blocked by the baffle. The up and down reciprocating drive device drives the swing rod to change direction. Down is thrown up. The limit rod can stop the upward movement of the first end of the swing rod immediately, so as to increase the initial velocity when the tennis ball is thrown. The impact energy of the swing rod and the limit rod is absorbed by the limit rod and the column. By adjusting the running speed of the motor in the up and down reciprocating driving device through the controller, the height of the tennis ball can be adjusted to adapt to different practice purposes.
本发明和已有技术相比较，其效果是积极和明显的。本发明利用上下往返驱动装置重复驱动摆动杆，利用网球篮和开关门板逐个释放网球，将摆动杆末端的网球抛出，免除了运动员重复上抛网球的动作，增加了运动员实际练习击打的时间。Compared with the prior art, the present invention has positive and obvious effects. The present invention uses the up and down reciprocating driving device to repeatedly drive the swinging rod, releases the tennis balls one by one by using the tennis basket and the switch door, and throws the tennis balls at the end of the swinging rod, avoiding the athlete's repeated action of throwing the tennis ball up and down, and increasing the time for the athlete to actually practice hitting .
附图说明： Description of drawings:
图1是本发明的一种用于网球发球动作练习的抛球装置的结构示意图。Fig. 1 is a structural schematic diagram of a ball throwing device used for tennis serving practice according to the present invention.
图2是本发明的一种用于网球发球动作练习的抛球装置的一个实施例的局部结构示意图。Fig. 2 is a schematic diagram of a partial structure of an embodiment of a ball throwing device used for tennis serving action practice according to the present invention.
具体实施方式：Detailed ways:
实施例1:Example 1:
如图1和图2所示，本发明的一种用于网球发球动作练习的抛球装置，包括一个底座11，其中，所述的底座11上固定设置有一个立柱10，所述的立柱10的上端设置有一个支撑轴15，所述的支撑轴15的轴向与立柱10的长度方向垂直，支撑轴15上设置有一个摆动杆3，支撑轴15与摆动杆3之间设置有转动副，摆动杆3包括有一个第一端和一个第二端，摆动杆3中沿其长度方向设置有一个轨道，所述的轨道位于摆动杆3的第一端与支撑轴15的轴心位置之间，摆动杆3的第二端连接有一个上下往返驱动装置，轨道在摆动杆3的第一端处的末端设置有一个挡板，立柱10的上端固定设置有一个限位杆2，所述的限位杆2的一端延伸到摆动杆3的行程中，底座11上通过连接件17连接有一个网球篮1，所述的网球篮1呈漏斗状，网球篮1的底部设置有一个出口，所述的出口位于摆动杆3中轨道的上方，出口的下端设置有一个开关门板，所述的开关门板与一个驱动机构连接。As shown in Fig. 1 and Fig. 2, a kind of ball-throwing device that is used for tennis serving action practice of the present invention comprises a
具体的，限位杆2的一端设置有撞击接触头18。Specifically, an
进一步的，开关门板所连接的驱动机构与所述的上下往返驱动装置连接。Further, the driving mechanism connected to the switch door panel is connected to the above-mentioned up and down reciprocating driving device.
进一步的，摆动杆3由一个主杆和一个延长杆4构成，所述的延长杆4的长度方向与所述的主杆的长度方向重合，摆动杆3的第一端位于延长杆4的一端，延长杆4的另一端通过连接套22与主杆的一端连接，轨道分别位于主杆和延长杆4上。Further, the
进一步的，摆动杆3呈管状，所述的轨道由摆动杆3的管腔构成，管腔在摆动杆3的第一端设置有向上的出口。Further, the
进一步的，所述的上下往返驱动装置包括一个电机9，所述的电机9固定设置在底座11上，电机9的输出轴上通过减速机构16连接有一个曲柄23，摆动杆3的第二端5与一个第一连杆7的一端铰接，所述的第一连杆7的另一端与所述的曲柄23的一端铰接。Further, the up and down reciprocating driving device includes a
进一步的，所述的开关门板的一侧与摆动杆3铰接，开关门板上固定连接有一个拉杆8，所述的拉杆8的一端与一个第二连杆6的一端铰接，所述的第二连杆6的另一端与所述的曲柄23的一端铰接。Further, one side of the switch door panel is hinged with the
进一步的，底座11的下侧设置有车轮12，底座11上设置有手推架14，手推架14中包括有扶手13。Further,
进一步的，摆动杆3的第一端到支撑轴15的轴心的距离大于摆动杆3的第二端到支撑轴15的轴心的距离。Further, the distance from the first end of the
进一步的，电机9包括有一个控制端，所述的控制端与一个控制器25连接。控制器25中设置有参数显示屏24、控制按钮28、控制按钮26和控制按钮27。Further, the
进一步的，底座11上设置有电源21。Further, a
具体的，底座11上设置有保护壳20，电源21、电机9和减速机构16均位于保护壳20内。Specifically, the
本实施例的工作原理是：在网球篮1中放置多个网球19，开关门板阻挡网球篮1中的网球19落下。启动上下往返驱动装置后，摆动杆3的第一端下移，同时，开关门板转动打开网球篮1下端的出口，摆动杆3的第一端下移到最底端时，网球篮1下端的出口完全打开，一个网球19落到摆动杆3的轨道中，此时，摆动杆3的第一端向上移动，同时，开关门板开始关闭网球篮1下端的出口，阻挡下一个网球19落下。摆动杆3的第一端在上移过程中，落入轨道的网球19沿轨道运动到摆动杆3第一端的末端出口处并由挡板阻挡，上下往返驱动装置驱动摆动杆3变向，网球19在惯性作用下被向上抛出。限位杆2可使摆动杆3第一端的上移行程立刻中止，增加网球19抛出时的初速度。摆动杆3与限位杆2的撞击能量由限位杆2、立柱10吸收。通过控制器25调节上下往返驱动装置中的电机9的运转速度，可以调节网球19抛起的高度，适应不同的练习目的。The working principle of this embodiment is: a plurality of
Claims (10)
Translated fromChinesePriority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410084486.1ACN103801066B (en) | 2014-03-10 | 2014-03-10 | A kind of ball-projecting device for tennis service action exercise |
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| CN201410084486.1ACN103801066B (en) | 2014-03-10 | 2014-03-10 | A kind of ball-projecting device for tennis service action exercise |
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| CN103801066B CN103801066B (en) | 2015-12-16 |
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| CN106422268A (en)* | 2016-11-22 | 2017-02-22 | 华南理工大学 | Launching mechanism capable of achieving automatic sequence arrangement |
| CN107198870A (en)* | 2017-07-11 | 2017-09-26 | 中国人民大学附属中学 | A kind of multi-functional ball supplemental training device |
| CN107519634A (en)* | 2014-12-16 | 2017-12-29 | 泉州泉港璟冠信息科技有限公司 | Shuttlecock playing image training robot |
| CN108579051A (en)* | 2018-05-02 | 2018-09-28 | 陕西师范大学 | A kind of tennis training machine of the rotatable tennis of band |
| CN109107133A (en)* | 2018-10-12 | 2019-01-01 | 温州职业技术学院 | A kind of tennis emitter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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|---|---|
| CN103801066B (en) | 2015-12-16 |
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