CN101618272B

CN101618272B - Volleyball launcher

Info

Publication number: CN101618272B
Application number: CN200910144141XA
Authority: CN
Inventors: 丁峰; 刘正士; 张焱
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-16
Filing date: 2009-07-16
Publication date: 2011-01-05
Anticipated expiration: 2029-07-16
Also published as: CN101618272A

Abstract

The invention relates to a volleyball launcher. The volleyball launcher is characterized in that a driving gear and a driven gear which have the same external dimension and are mutually meshed are arranged, batting plate springs arranged radially are respectively and fixedly connected on a driving gear shaft and a driven gear shaft, wherein the batting plate spring at the right side fixedly connected on the driving gear shaft and the left side batting plate spring fixedly connected on the driven gear shaft are provided with batting positions which are mutually opposite and both positioned in the same horizontal position, and the batting plate springs move upwards in the batting positions. According to the collision theory, the rotational speed of the motor is improved by a method of launching volleyball through the plate springs in a beating manner, i.e., the ball launching speed can exceed 140 km/h so as to meet the use requirements of high-strength training of the professional volleyball athletes.

Description

Volleyball launcher

Technical field

The present invention relates to the sports apparatus of ball game, particularly be used for improving the sports apparatus of volleyball skill, a kind of device that is used to launch vollyball of more specifically saying so.

Background technology

The equipment for volleyballer training use tool can replace the sending out of the long-term and simulated race intensity stably of training mate person, slam-shot, thereby improves the athletic level of training of professional vollyball and games results greatly.The patent No.: 200610085971.6 titles: the patent of invention of " simple equipment used for volleyballer training " is the equipment for volleyballer training use tool.But existing exercising device sends the underspeed 120km/h of vollyball, and the not enough reason of ball speed is that these exercising devices adopt the friction-type service robot as the vollyball emitter, and the speed saturated conditions has appearred in friction-type service robot when ball speed does not reach 120km/h.The sending out of world high performance athlete, slam-shot speed can reach 140km/h, and therefore, the friction-type service robot can not satisfy the instructions for use of professional athlete high pressure training.

Summary of the invention

The present invention is for avoiding above-mentioned the deficiencies in the prior art part, a kind of volleyball launcher is provided, surpassing 140km/h so that exercising device sends the speed of vollyball.

Technical solution problem of the present invention adopts following technical scheme:

The design feature of volleyball launcher of the present invention is that identical, intermeshing driving gear of appearance and size and driven gear are set, on driving gear shaft and driven gear shaft, be fixedly connected with the batting leaf spring that is disposed radially respectively, wherein, connect firmly at the right side on driving gear shaft batting leaf spring and have each other for relative and be in a batting position on the horizontal level together with connecting firmly at the batting leaf spring of the left side on the driven gear shaft, on described batting position, the direction of motion of described batting leaf spring up.

The design feature of volleyball launcher of the present invention also is:

Variable transmission mechanism is set, and described variable transmission mechanism is intermeshing active elliptic gear and driven elliptic gear, on described batting position, is to be meshing with each other with the far-end of active elliptic gear and the near-end of driven elliptic gear; Active elliptic gear axle in the described variable transmission mechanism is a motor driving shaft, and described driven elliptic gear axle is coaxial with driving gear shaft.

Described driving gear and driven gear are helical teeth cylinder travelling gear.

Setting has the drive motors of the output of rotating, and between the output shaft of described drive motors and active elliptic gear axle tape handler is set.

Compared with the prior art, beneficial effect of the present invention is embodied in:

1, the present invention adopts leaf spring to impact the mode of penetrating ball according to the collision principle, and the rotating speed that improves motor can make ball speed surpass 140km/h, and has satisfied the instructions for use of vollyball professional athlete high pressure training with this.

2, the present invention adopts the leaf spring batting, and at the leading portion of batting process, leaf spring is pushed by vollyball and is out of shape, storage of potential energy; At the back segment of batting process, the distance at leaf spring and vollyball center increases gradually, and the potential energy that leaf spring stores under the restoring force effect gradates the kinetic energy into vollyball, helps improving ball speed, and the vollyball distortion is little, and wearing and tearing are few, and the life-span is long.

3, the present invention is provided with the variable transmission mechanism of elliptic gear transmission, and leaf spring is that speed change is rotated at complete cycle, and reaches maximum (top) speed in the batting zone, helps improving ball speed; Beyond the batting zone, relative slowly running kept somewhere the time enough window for vollyball accurately being sent to the batting position.

4, the present invention is by adopting cylindrical helical gear drive, the smooth rotation of the leaf spring that helps batting.

5, the present invention adopts the band transmission, helps reducing the influence of elliptic gear vibration to drive motor.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is structural representation on the other direction of the present invention.

Fig. 3 is the present invention's schematic diagram of batting.

Fig. 4 is another mode bit schematic diagram of the present invention.

Fig. 5 is the present invention's process start position schematic diagram of batting.

Fig. 6 is the present invention's course end position view of batting.

Number in the figure: 1 drive motors, 2 driving pulleys, 3 are V band, 4 driven pulleys, 5 active elliptic gear axles, 6 active elliptic gears, 7 driving gear shafts, 8 driven elliptic gears, 9 driving gears, 10 driven gear shafts, 11 driven gears, 12 right sides batting leaf spring, 13 left sides batting leaf spring, 14 vollyballs.

Below pass through the specific embodiment, and the invention will be further described in conjunction with the accompanying drawings.

The specific embodiment

Referring to Fig. 1 and Fig. 2, identical, intermeshing driving gear 9 of appearance and size and driven gear 11 are set, on driving gear shaft 7 and driven gear shaft 10, be fixedly connected with the batting leaf spring that is disposed radially by key respectively, wherein, the right side batting leaf spring 12 that connects firmly on driving gear shaft 7 has each other for relative and with being in a batting position on the horizontal level with connecting firmly at the batting leaf spring 13 of the left side on the driven gear shaft, and in batting, the direction of motion of the leaf spring of batting up.

In concrete the enforcement, the corresponding structure setting also comprises:

It is intermeshing active elliptic gear 6 and driven elliptic gear 8 that variable transmission mechanism is set, on batting position shown in Figure 3, be to be meshing with each other, so that driven elliptic gear obtains maximum velocity of rotation with the major axis far-end of active elliptic gear 6 and the major axis near-end of driven elliptic gear 8; At this moment, a pair of batting leaf spring is the level of state, and at a distance of be recently, should maintain appropriate gap between a pair of batting leaf spring, in case the gap moves interference when too small, and squeezes during excesssive gap and breaks vollyball.Under location status shown in Figure 4, driven elliptic gear rotating speed is minimum, obtains enough hello ball time windows with this.

Active elliptic gear axle 5 in the variable transmission mechanism is a motor driving shaft, and driven elliptic gear axle is coaxial with driving gear shaft 7.

Smooth rotation for the leaf spring that helps batting, driving gear 9 and driven gear 11 are set to helical gears, wherein, driving gear 9 is dextrorotation, driven gear 11 is left-handed, driving gear 9 and driven gear 11 are except rotation direction, and its appearance and size is identical, and axis is in the same horizontal plane.

Setting has the drive motors 1 of the output of rotating, at the output shaft of drive motors 1 and initiatively between the elliptic gear axle 5 tape handler is set, comprise connecting firmly at the driving pulley on the output shaft of drive motors 12, connecting firmly the driven pulley 4 on active elliptic gear axle 5, and the V that implements transmission between driving pulley 2 and driven pulley 4 is with 3.

Batting process such as Fig. 5, shown in Figure 6, the arrow A direction of motion of leaf spring of representing to bat among the figure, vollyball 14 is under the impacting of batting leaf spring, along the accelerated motion of direction shown in the arrow B among Fig. 5, until fly out at a high speed along direction shown in Fig. 6 arrow B.At the leading portion of batting process, the batting leaf spring is pushed by vollyball 14 and is out of shape storage of potential energy; At the back segment of batting process, the centre distance of batting leaf spring and vollyball 14 increases gradually, and the potential energy that the batting leaf spring stores under the restoring force effect gradates the kinetic energy into vollyball 14, helps improving ball speed.

Vollyball position shown in Figure 5 is to feed the desired location that ball is sent to.When batting process shown in Figure 6 finishes, can in the lateral or by the bottom, upwards feed ball, for batting is next time prepared.During this time, two batting leaf springs have been kept somewhere the time enough window for vollyball is sent to desired location like this to rotate than low velocity.

Claims

1. volleyball launcher, it is characterized in that being provided with identical, intermeshing driving gear of appearance and size (9) and driven gear (11), on driving gear shaft (7) and driven gear shaft (10), be fixedly connected with the batting leaf spring that is disposed radially respectively, wherein, connect firmly the right side on the driving gear shaft (7) batting leaf spring (12) with connect firmly left side batting leaf spring (13) on driven gear shaft (10) and have each other for relative and be in a batting position on the horizontal level together, on described batting position, the direction of motion of described batting leaf spring up.

2. volleyball launcher according to claim 1, it is characterized in that being provided with variable transmission mechanism, described variable transmission mechanism is intermeshing active elliptic gear (6) and driven elliptic gear (8), on described batting position, be to be meshing with each other with the far-end of active elliptic gear (6) and the near-end of driven elliptic gear (8); Active elliptic gear axle (5) in the described variable transmission mechanism is a motor driving shaft, and driven elliptic gear axle is coaxial with driving gear shaft (7).

3. volleyball launcher according to claim 1 is characterized in that described driving gear (9) and driven gear (11) are helical teeth cylinder travelling gear.

4. volleyball launcher according to claim 2 is characterized in that being provided with the drive motors (1) with the output of rotating, and between the output shaft of described drive motors (1) and active elliptic gear axle (5) tape handler is set.