CN206152234U - Ball and service car are picked up to semi -automatic tennis - Google Patents
Ball and service car are picked up to semi -automatic tennis Download PDFInfo
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Abstract
本实用新型涉及一种半自动网球捡球和发球车,包括车体、底架和车轮,还包括:滚筒、导轨、球盒、储球筐和发球装置,所述滚筒通过其中心轴与置于底架上的竖直连接杆旋转连接,所述导轨置于滚筒后端,安装于底架上,并向上延伸至储球筐前端,呈一弧形结构,导轨上设有供球盒运行的开口槽型条,所述储球筐安装于车体前端,底部设有一小孔,通过软管与发球装置连接,所述滚筒表面还附有魔术贴。本实用新型可以方便快捷的捡起散落在较大范围内的网球,大大减少了场地工作人员的工作量和人们在运动训练中不必要的体力消耗,省时省力,同时也提高了捡球效率,工作可靠,使用方便,适合普及推广,可广泛配置在各体育训练场馆使用。
The utility model relates to a semi-automatic tennis ball picking and serving car, which includes a car body, an underframe and wheels, and also includes: a roller, a guide rail, a ball box, a ball storage basket and a ball serving device. The vertical connecting rod on the bottom frame is connected by rotation. The guide rail is placed at the rear end of the roller, installed on the bottom frame, and extends upward to the front end of the ball storage basket, forming an arc structure. Open groove bar, the ball storage basket is installed at the front end of the car body, a small hole is provided at the bottom, connected to the ball-serving device through a hose, and Velcro is attached to the surface of the roller. The utility model can conveniently and quickly pick up tennis balls scattered in a large range, which greatly reduces the workload of field staff and unnecessary physical consumption of people in sports training, saves time and effort, and improves the efficiency of picking up balls at the same time , reliable in work, easy to use, suitable for popularization and promotion, and can be widely configured and used in various sports training venues.
Description
技术领域technical field
本实用新型涉及一种捡球设备,尤其涉及一种半自动网球捡球和发球车,适用于网球训练场馆的较大数量的网球收集,属于体育辅助器材技术领域。The utility model relates to a ball picking device, in particular to a semi-automatic tennis ball picking and serving car, which is suitable for collecting a large number of tennis balls in tennis training venues and belongs to the technical field of sports auxiliary equipment.
背景技术Background technique
近年来,网球运动日益普及,越来越多的人愿意投入到网球运动中。但是,在网球训练中,尤其是在单人发球训练时,需要用到很多网球,因为网球场地面积较大,网球常常散落在较大的范围内,在打球的过程中,人们往往要花很多时间蹲在地上或者弯腰捡球,将网球收集起来,进行新一轮的练习,即耗费体力又浪费时间,捡球效率也低。In recent years, tennis has become increasingly popular, and more and more people are willing to devote themselves to tennis. However, in tennis training, especially when single-player serving training, a lot of tennis balls need to be used, because the area of the tennis court is relatively large, and the tennis balls are often scattered in a large range. It takes time to squat on the ground or bend over to pick up the ball, collect the tennis balls, and perform a new round of practice, which consumes energy and wastes time, and the efficiency of picking up the ball is also low.
为了提高捡球的效率,目前市场上也出现了一些网球捡球装置,但是类型不多,大都是由拉环、弹簧、球筒、挡条、销子、拉环筒、铁线等部件构成,制作工艺复杂,安装拆卸不便,且容量小,实用性不强,在捡球过程中还容易施力过重而损害网球,降低网球的使用寿命,给捡球的工作人员带来很大的不便。In order to improve the efficiency of picking up the ball, some tennis ball picking devices have also appeared on the market, but there are not many types, and most of them are composed of pull rings, springs, ball barrels, retaining bars, pins, pull ring barrels, iron wires and other components. , the production process is complex, installation and disassembly are inconvenient, and the capacity is small, and the practicability is not strong. In the process of picking up the ball, it is easy to apply too much force and damage the tennis ball, which reduces the service life of the tennis ball and brings great harm to the staff who pick up the ball. inconvenient.
综上,现有网球捡球存在依靠人力弯腰捡球较为不便,不但耗费时间,而且耗费体力,效率低下等问题。同时,现有的网球捡球装置有着容量小,操作不便的缺点。To sum up, it is inconvenient to rely on manpower to pick up the ball in the existing tennis ball, which not only consumes time, but also consumes physical strength and low efficiency. Simultaneously, existing tennis ball pick-up device has the shortcoming of little capacity, inconvenient operation.
发明内容Contents of the invention
针对上述现有技术的缺点,本实用新型的目的是提供一种操作方便,捡球效率高的半自动网球捡球和发球车,解决了现有技术中存在的人工捡球不方便,收捡劳累,捡球效率低和现有网球捡球装置容量小、实用性不强的问题。Aiming at the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a semi-automatic tennis ball picking and serving cart with convenient operation and high ball picking efficiency, which solves the inconvenience of manually picking up the ball in the prior art and the fatigue of picking up the ball. , the low efficiency of picking up the ball and the small capacity and poor practicability of the existing tennis ball picking device.
为了实现上述目的,本实用新型提供一种半自动网球捡球和发球车,包括车体、底架和车轮,其特征在于,还包括:滚筒、导轨、球盒、储球筐和发球装置,所述滚筒通过其中心轴与置于底架上的竖直连接杆旋转连接,所述导轨安装于底架上并置于滚筒后侧,导轨呈弧形结构并向上延伸至储球筐上侧;导轨上设有供球盒运行的条形开口槽,所述储球筐安装于车体前端,发球装置设于储球筐的下方,储球筐底部设有一小孔,小孔通过软管与发球装置连接,所述滚筒表面还附有魔术贴。In order to achieve the above object, the utility model provides a semi-automatic tennis ball picking and serving car, which includes a car body, an underframe and wheels, and is characterized in that it also includes: a roller, a guide rail, a ball box, a ball storage basket and a ball serving device. The drum is rotatably connected to the vertical connecting rod placed on the bottom frame through its central axis, the guide rail is installed on the bottom frame and placed on the rear side of the drum, and the guide rail is in an arc structure and extends upward to the upper side of the ball storage basket; The guide rail is provided with a strip-shaped opening slot for the ball box to run. The ball storage basket is installed at the front end of the car body, and the ball serving device is arranged below the ball storage basket. The ball serving device is connected, and the surface of the roller is also attached with Velcro.
优选地,所述球盒靠近滚筒一端呈梳子状,球盒上设有朝向滚筒凸出的梳齿结构,梳齿结构呈现出前端尖锐后端逐渐宽大和厚实的状态。Preferably, the end of the ball box close to the drum is in the shape of a comb, and the ball box is provided with a comb-tooth structure protruding toward the drum. The comb-tooth structure presents a state where the front end is sharp and the rear end is gradually wide and thick.
优选地,所述发球装置具有球道、击球筒、固定座、驱动装置、左右方向调整装置,击球筒设于球道和固定座之间,驱动装置设于击球筒下侧并带动击球筒移动,固定座上套设有弹簧,软管与球道连通。Preferably, the ball launching device has a fairway, a hitting cylinder, a fixing seat, a driving device, and a left and right direction adjustment device. The barrel moves, the fixed seat is covered with a spring, and the hose communicates with the ballway.
优选地,所述驱动装置还包括用于调节弹簧行程的调速电机,所述调速电机与弹簧连接。Preferably, the driving device further includes a speed-regulating motor for adjusting the stroke of the spring, and the speed-regulating motor is connected with the spring.
优选地,发球装置的下侧设有底板,底板上设有滑槽,球道的端部具有发球口,左右方向调整装置设于发球口的前侧,左右方向调整装置包括第一凸轮、摆动电机、橡皮筋和限位杆,摆动电机的输出端与第一凸轮的一端连接并带动第一凸轮转动,摆动电机安装在电机座上,限位杆竖直安装在发球装置的侧壁上并设于摆动电机的两侧,限位杆的下端置于所述滑槽内,限位杆与电机座之间通过橡皮筋连接,第一凸轮的长度大于摆动电机与限位杆之间的间距。Preferably, the lower side of the serving device is provided with a base plate, the base plate is provided with a chute, the end of the ball lane has a service opening, and the left and right direction adjustment device is arranged on the front side of the service opening, and the left and right direction adjustment device includes a first cam, a swing motor , a rubber band and a limit rod, the output end of the swing motor is connected to one end of the first cam and drives the first cam to rotate, the swing motor is installed on the motor seat, and the limit rod is vertically installed on the side wall of the ball serving device On both sides of the swing motor, the lower end of the limit rod is placed in the chute, the limit rod and the motor seat are connected by a rubber band, and the length of the first cam is greater than the distance between the swing motor and the limit rod.
优选地,所述发球装置与底板之间设有第二凸轮和仰角电机,仰角电机的输出端与第二凸轮连接,第二凸轮可通过仰角电机上下调整发球方向。Preferably, a second cam and an elevation motor are provided between the ball launching device and the bottom plate, the output end of the elevation motor is connected to the second cam, and the second cam can adjust the direction of serving the ball up and down through the elevation motor.
优选地,所述驱动装置包括减速齿轮、咬合齿轮、转动齿轮和发球驱动电机,咬合齿轮与击球筒底部的齿条啮合连接,咬合齿轮与减速齿轮同轴连接,减速齿轮与转动齿轮啮合连接,发球驱动电机的输出端与转动齿轮啮合连接并带动转动齿轮转动。Preferably, the driving device includes a reduction gear, an occlusal gear, a rotating gear and a driving motor for serving the ball, the occlusal gear is meshed with the rack at the bottom of the batting cylinder, the occlusal gear is coaxially connected with the reduction gear, and the reduction gear is meshed with the rotating gear , the output end of the ball driving motor is meshed with the rotating gear and drives the rotating gear to rotate.
优选地,所述咬合齿轮的圆周面上设有凸出的齿牙,并且只有部分的圆周面上设有凸出的齿牙。Preferably, protruding teeth are provided on the circumferential surface of the meshing gear, and only part of the circumferential surface is provided with protruding teeth.
优选地,所述发球装置配置有蓄电池和控制器,所述仰角电机、发球驱动电机、摆动电机和调速电机均受所述控制器的控制。Preferably, the ball serving device is equipped with a battery and a controller, and the elevation motor, ball driving motor, swing motor and speed regulating motor are all controlled by the controller.
优选地,所述车轮和滚筒通过皮带串联联动。Preferably, the wheels and the rollers are connected in series through a belt.
本实用新型半自动网球捡球和发球车,可利用滚筒将网球黏住,并通过球盒完成装球和倒球,将网球运送至储球筐内。本发明可以方便快捷的捡起散落在较大范围内的网球,大大减少了场地工作人员的工作量和人们在运动训练中不必要的体力消耗,省时省力,同时也提高了捡球效率。本实用新型工作可靠,使用方便,适合普及推广,可广泛配置在各体育训练场馆使用。The utility model semi-automatic tennis ball picking and serving cart can use the roller to stick the tennis ball, and complete the loading and pouring of the ball through the ball box, and transport the tennis ball to the ball storage basket. The invention can conveniently and quickly pick up the tennis balls scattered in a large range, greatly reducing the workload of field workers and unnecessary physical exertion of people in sports training, saving time and effort, and improving the efficiency of picking up balls at the same time. The utility model is reliable in work, convenient in use, suitable for popularization and popularization, and can be widely used in various sports training venues.
以下将结合附图对本实用新型的构思、具体结构及产生的技术效果作进一步说明,以充分地了解本实用新型的目的、特征和效果。The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.
附图说明Description of drawings
图1:本实用新型半自动网球捡球和发球车结构三维立体图;Figure 1: A three-dimensional perspective view of the structure of the semi-automatic tennis ball picking and serving cart of the utility model;
图2:本实用新型半自动网球捡球和发球车俯视图;Figure 2: a top view of the semi-automatic tennis ball picking and serving vehicle of the utility model;
图3:本实用新型发球装置立体示意图;Fig. 3: A three-dimensional schematic diagram of the serving device of the present invention;
图4:本实用新型发球装置主视图;Fig. 4: The front view of the serving device of the present utility model;
图5:本实用新型发球装置俯视图;Fig. 5: The top view of the serving device of the present utility model;
图6:本实用新型发球装置左视图。Figure 6: The left view of the ball serving device of the present utility model.
具体实施方式detailed description
为使本实用新型实施例的目的、技术方案和优点更加清楚,下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述。显然,所描述的实施例是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are some of the embodiments of the present utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
下面结合说明书附图对本实用新型作进一步详细描述。Below in conjunction with accompanying drawing, the utility model is described in further detail.
如图1和图2所示,本实用新型提供的一种半自动网球捡球和发球车,包括车体1、底架2、车轮3、滚筒4、导轨5、球盒6、储球筐7和发球装置8,所述滚筒4通过其中心轴与置于底架2上的竖直连接杆21旋转连接,所述导轨5置于滚筒4后端并安装于底架2上,导轨5呈弧形结构并向上延伸至储球筐7上侧。导轨5上设有供球盒6运行的条形开口槽51,所述储球筐7安装于车体1前端,底部设有一小孔71,小孔71通过软管9与发球装置8连接,所述滚筒4表面还附有魔术贴。所述球盒6靠近滚筒4一端呈梳子状,因为球盒6上设有朝向滚筒凸出的梳齿结构61,梳齿结构呈现出外端更稀疏内端更密的状态。As shown in Fig. 1 and Fig. 2, a kind of semi-automatic tennis ball picking and serving car provided by the utility model comprises car body 1, underframe 2, wheel 3, roller 4, guide rail 5, ball box 6, ball storage basket 7 and the ball-serving device 8, the drum 4 is rotatably connected with the vertical connecting rod 21 placed on the chassis 2 through its central axis, the guide rail 5 is placed on the rear end of the drum 4 and installed on the chassis 2, and the guide rail 5 is The arc structure extends upwards to the ball storage basket 7 upper sides. The guide rail 5 is provided with a strip-shaped opening groove 51 for the operation of the ball box 6. The ball storage basket 7 is installed on the front end of the car body 1, and the bottom is provided with a small hole 71. The small hole 71 is connected with the ball-serving device 8 through a hose 9. The surface of the cylinder 4 is also provided with Velcro. The end of the ball box 6 close to the drum 4 is in the shape of a comb, because the ball box 6 is provided with a comb structure 61 protruding toward the drum, and the comb tooth structure presents a state where the outer end is sparser and the inner end is denser.
本实用新型半自动网球捡球和发球车包含有车轮3,轻轻推动即可使捡球车开始移动,方便在场地中快速移动。本实用新型滚筒4表面附有一层魔术贴,可以将网球黏住,在捡球车移动的过程中,能够方便快捷的将散落在较大范围内的多个网球收集起来。The utility model semi-automatic tennis pick-up and serve cart includes wheels 3, which can be pushed lightly to make the pick-up cart start to move, which is convenient for quick movement in the field. The surface of the roller 4 of the utility model is provided with a layer of Velcro, which can stick the tennis balls, and can conveniently and quickly collect a plurality of tennis balls scattered in a large range during the moving process of the ball picking cart.
本实用新型球盒6可在导轨5上运动,完成装球和倒球动作。球盒6靠近滚筒4一端呈梳子状,外疏内密,可有效地将网球从滚筒4上剥离落至球盒6内,再经过在导轨5上运行,将球盒6输送至储球筐7上侧,将网球倒入储球筐7内存储网球。导轨5为双导轨设置,使得球盒6能够更加稳定的在其上运行。梳齿结构为前端细长尖锐,十分靠近魔术贴,后端逐渐变宽和厚实,这样的梳齿结构可以缓慢把网球取下来,避免网球受力而跳起来。The ball box 6 of the utility model can move on the guide rail 5 to complete the actions of loading and pouring the ball. The end of the ball box 6 close to the roller 4 is comb-shaped, sparse on the outside and dense on the inside, which can effectively peel off the tennis balls from the roller 4 and drop them into the ball box 6, and then run on the guide rail 5 to transport the ball box 6 to the ball storage basket 7 On the upper side, tennis balls are poured into the ball storage basket 7 to store tennis balls. The guide rail 5 is provided with double guide rails, so that the ball box 6 can run on it more stably. The comb tooth structure is slender and sharp at the front end, very close to the Velcro, and the rear end gradually becomes wider and thicker. This comb tooth structure can slowly remove the tennis ball and prevent the tennis ball from jumping up due to force.
实施中,当需要捡球时,推动本实用新型半自动网球捡球和发球车至网球散落的场地,推移过程中,附有魔术贴的滚筒可将散落在网球场地中的网球黏住,球盒将网球从滚筒上剥离,完成装球,继而球盒在导轨上运动,将网球输送至储球筐,完成倒球,网球即存储于储球筐中。本实用新型采用附有魔术贴的滚筒,以滚动的方式进行自动捡球,方便快捷,而且不会对网球造成损坏,不会降低网球使用寿命,网球捡拾效率高。此外,捡球完毕后,还可将网球倒入储球筐,用以存储网球,容量大,使用方便。During implementation, when the ball needs to be picked up, push the semi-automatic tennis ball picking and serving cart of the utility model to the field where the tennis balls are scattered. The tennis ball is peeled off from the roller to complete the ball loading, and then the ball box moves on the guide rail, and the tennis ball is transported to the ball storage basket, and the ball is poured, and the tennis ball is stored in the ball storage basket. The utility model adopts the roller with Velcro to automatically pick up the ball in a rolling manner, which is convenient and quick, and will not cause damage to the tennis ball, will not reduce the service life of the tennis ball, and has high tennis picking efficiency. In addition, after picking up the balls, the tennis balls can also be poured into the ball storage basket to store the tennis balls, which has a large capacity and is convenient to use.
发球装置8具有球道811、击球筒810、固定座812、驱动装置和左右方向调整装置。击球筒810设于球道811和固定座812之间,驱动装置设于击球筒810下侧并带动击球筒810横向移动,固定座812上套设有弹簧83,软管9与球道811连通。网球通过软管9进入球道811,击球筒810朝向固定座812移动并压缩弹簧83,压缩一定程度后,击球筒810被释放,瞬间产生很大的弹力击打网球,使网球发射出去。发球装置还包括用于调节弹簧83行程的调速电机,所述调速电机与弹簧83连接,调节弹簧83的行程后,弹簧83的压缩力变化,进而使弹簧83产生的击球力变化,网球发球的速度也随之改变。The ball-serving device 8 has a fairway 811, a batting cylinder 810, a fixing seat 812, a driving device and a left-right direction adjustment device. The batting cylinder 810 is arranged between the fairway 811 and the fixed seat 812, the driving device is arranged on the lower side of the batting cylinder 810 and drives the batting cylinder 810 to move laterally, the fixed seat 812 is provided with a spring 83, the hose 9 and the fairway 811 connected. The tennis ball enters the fairway 811 through the flexible pipe 9, and the batting cylinder 810 moves toward the fixed seat 812 and compresses the spring 83. After being compressed to a certain extent, the batting cylinder 810 is released, and instantly produces a large elastic force to hit the tennis ball to launch the tennis ball. The ball-serving device also includes a speed-regulating motor for adjusting the stroke of the spring 83. The speed-regulating motor is connected with the spring 83. After the stroke of the spring 83 is adjusted, the compression force of the spring 83 changes, thereby changing the hitting force produced by the spring 83. The speed of the tennis serve also changes accordingly.
发球装置的下侧设有底板10,底板10上设有滑槽817,滑槽817为弧形形状。球道811的端部具有发球口86,左右方向调整装置设于发球口的前侧,左右方向调整装置包括第一凸轮81、摆动电机82、橡皮筋84和限位杆85,摆动电机82的输出端与第一凸轮81的一端连接并带动第一凸轮81转动,摆动电机82安装在电机座815上,限位杆85竖直安装在发球装置8的侧壁上并设于摆动电机82的两侧,限位杆85的下端置于所述滑槽内。限位杆85与电机座815之间通过橡皮筋84连接,第一凸轮81的长度大于摆动电机82与限位杆85之间的间距,因此在第一凸轮81转动时,第一凸轮81的端部撞击限位杆85后,向限位杆85施加的作用力会推动限位杆在滑槽内左右滑动,进而推动发球装置的球道811左右移动,使网球发球后的飞行轨迹产生左右变化。The lower side of the ball-serving device is provided with a base plate 10, and the base plate 10 is provided with a chute 817, and the chute 817 is arc-shaped. The end portion of the fairway 811 has a tee opening 86, and the left-right direction adjustment device is located at the front side of the tee-off opening. end is connected with one end of the first cam 81 and drives the first cam 81 to rotate, the swing motor 82 is installed on the motor base 815, and the limit rod 85 is vertically installed on the side wall of the ball-serving device 8 and is arranged on both sides of the swing motor 82. On the side, the lower end of the limit rod 85 is placed in the chute. The limit rod 85 is connected with the motor base 815 by a rubber band 84, and the length of the first cam 81 is greater than the distance between the swing motor 82 and the limit rod 85, so when the first cam 81 rotates, the first cam 81 After the end hits the limit rod 85, the force applied to the limit rod 85 will push the limit rod to slide left and right in the chute, and then push the fairway 811 of the ball-serving device to move left and right, so that the flight track of the tennis ball after serving will change left and right. .
发球装置8与底板10之间设有第二凸轮11,第二凸轮11可上下调整发球方向,第二凸轮11也通过一个仰角电机110带动,仰角电机110的输出端与第二凸轮11连接,仰角电机110带动第二凸轮转动,第二凸轮使发球装置8会上下摆动,网球发球后的飞行轨迹产生上下变化。因此,结合左右方向调整装置和第二凸轮,可使网球的发球方向朝向任意一个方向。A second cam 11 is arranged between the serving device 8 and the base plate 10, and the second cam 11 can adjust the serving direction up and down. The second cam 11 is also driven by an elevation motor 110, and the output end of the elevation motor 110 is connected with the second cam 11. The elevation angle motor 110 drives the second cam to rotate, and the second cam makes the ball-serving device 8 swing up and down, and the flight trajectory of the tennis ball after the ball is served changes up and down. Therefore, in combination with the left and right direction adjustment device and the second cam, the serving direction of the tennis ball can be made to face any direction.
驱动装置包括减速齿轮87、转动齿轮813、咬合齿轮816和发球驱动电机814,咬合齿轮816与击球筒810底部的齿条啮合连接,咬合齿轮816与减速齿轮87同轴连接,减速齿轮87与转动齿轮813啮合连接,发球驱动电机814的输出端与转动齿轮813啮合连接并带动转动齿轮813转动,转动齿轮813带动减速齿轮87转动,减速齿轮87带动咬合齿轮816转动。咬合齿轮816的圆周面上设有凸出的齿牙,并且只有部分的圆周面上设有凸出的齿牙,另一部的圆周面是光滑的,发球驱动电机814通过减速机构齿轮咬合击球筒底部的齿条,击球筒810向后(图4的右侧)移动,击球筒810移动压缩弹簧83储能。当咬合齿轮816上最后一个齿牙咬合到齿条时候,球筒位置正好让一个网球掉入到球道811。继续旋转发球驱动电机814,咬合齿轮816也顺时针转动,当转动到最后一个齿牙脱离齿条,咬合齿轮816无法早咬住齿条,压缩弹簧83势能立即释放,弹簧83复位,击球筒810瞬间向左击打网球,实现发球。而发球力量大小,通过压缩弹簧长短实现(弹簧后部安装有调整发球力度的调速电机)。到咬合齿轮816继续转动时,其表面的第一个齿牙继续咬合住击球筒下面的齿条,击球筒810继续向右压缩弹簧83,以此往复运动。Driving device comprises reduction gear 87, rotating gear 813, meshing gear 816 and ball drive motor 814, and meshing gear 816 is meshed with the rack at the bottom of batting cylinder 810 and is connected, and meshing gear 816 is coaxially connected with reduction gear 87, and reduction gear 87 is connected with Rotating gear 813 meshes and connects, and the output end of serving driving motor 814 meshes and connects with rotating gear 813 and drives rotating gear 813 to rotate, and rotating gear 813 drives reduction gear 87 to rotate, and reduction gear 87 drives meshing gear 816 to rotate. The circumferential surface of the meshing gear 816 is provided with protruding teeth, and only part of the circumferential surface is provided with protruding teeth, and the circumferential surface of the other part is smooth. The rack at the bottom of the ball barrel, the hitting barrel 810 moves backward (the right side of FIG. 4 ), and the hitting barrel 810 moves to compress the spring 83 to store energy. When the last tooth on the meshing gear 816 engages the rack, the barrel position is just in time for a tennis ball to fall into the fairway 811. Continue to rotate the serving driving motor 814, and the meshing gear 816 also rotates clockwise. When the last tooth breaks away from the rack, the meshing gear 816 cannot bite the rack early, and the potential energy of the compression spring 83 is released immediately, and the spring 83 resets, and the batting cylinder 810 instantly hits the tennis ball to the left to serve. And the power of serving the ball is realized by the length of the compressed spring (the speed-regulating motor for adjusting the power of serving the ball is installed at the rear of the spring). When the engaging gear 816 continues to rotate, the first teeth on its surface continue to engage the rack below the batting cylinder, and the batting cylinder 810 continues to compress the spring 83 to the right, thereby reciprocating.
调整发球驱动电机814,通过改变电机行程长度,调整弹簧83压缩长度,从而改变发球机器击打力度。原理:弹簧胡克定律F=k*L,弹力F等于弹簧弹性系数k乘以压缩行程长度L。Adjust the driving motor 814 for serving the ball, and adjust the compression length of the spring 83 by changing the stroke length of the motor, thereby changing the striking force of the serving machine. Principle: Spring Hooke's law F=k*L, the elastic force F is equal to the spring coefficient k multiplied by the compression stroke length L.
发球装置8还配置有蓄电池和控制器,蓄电池向整个装置中所有的电机供电。控制器根据程序设定,通过4个电机来分别实现发球,调整发球力度和角度。Serving device 8 is also equipped with storage battery and controller, and storage battery supplies power to all motors in the whole device. According to the setting of the program, the controller realizes serving respectively through 4 motors, and adjusts the strength and angle of serving.
本实用新型车轮3和滚筒4通过皮带串联联动。具体实施中,当网球数量太少时,网球无法到达球盒,故通过增加皮带将车轮和滚筒串联起来联动,使得捡球效果更好。The wheel 3 and the drum 4 of the utility model are connected in series through a belt. In the specific implementation, when the number of tennis balls is too small, the tennis balls cannot reach the ball box, so the wheels and rollers are linked in series by adding belts, so that the ball picking effect is better.
本实用新型可以很方便、快捷的不用弯腰就可将将散落在场地中的网球收捡干净,大大减少了场地工作人员的工作量和人们在运动训练中不必要的体力消耗,省时省力,同时也提高了捡球效率,由于缩短了捡球时间,增加了练习者的练习时间,也就提高了网球练习的效率。本实用新型工作可靠,使用方便,适合普及推广,可广泛配置在各体育训练场馆使用。采用本实用新型半自动网球捡球和发球车,使用简单,能够同时捡起多个网球,同时便于网球的倒取,大大提高了使用者捡球效率。The utility model can clean up the tennis balls scattered in the field without bending over very conveniently and quickly, which greatly reduces the workload of the field staff and the unnecessary physical exertion of people in sports training, and saves time and effort , Also improved the efficiency of picking up the ball simultaneously, owing to shortening the time of picking up the ball, increased the practice time of the practitioner, also just improved the efficiency of tennis practice. The utility model is reliable in work, convenient in use, suitable for popularization and popularization, and can be widely used in various sports training venues. The utility model adopts the semi-automatic tennis ball picking and serving cart, which is easy to use, can pick up a plurality of tennis balls at the same time, is convenient for the tennis balls to be taken upside down, and greatly improves the ball picking efficiency of the user.
以上所述仅为本实用新型的较佳实施例而已,并不用以限制本实用新型,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本实用新型的保护范围之内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the present utility model. within the scope of the new protection.
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Cited By (9)
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CN106362371A (en) * | 2016-11-11 | 2017-02-01 | 湖北科技学院 | Semi-automatic tennis ball picking up and serving vehicle |
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TWI655023B (en) * | 2018-09-14 | 2019-04-01 | 崑山科技大學 | Smart tennis ball picking machine and method thereof |
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CN109276871B (en) * | 2018-10-16 | 2024-01-05 | 昆明理工大学 | Intelligent tennis service robot |
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