CN207221245U - A kind of tennis service device applied to mobile platform - Google Patents
A kind of tennis service device applied to mobile platform Download PDFInfo
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- CN207221245U CN207221245U CN201720920059.1U CN201720920059U CN207221245U CN 207221245 U CN207221245 U CN 207221245U CN 201720920059 U CN201720920059 U CN 201720920059U CN 207221245 U CN207221245 U CN 207221245U
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Abstract
The utility model discloses a kind of tennis service device applied to mobile platform, including release mechanism, serving mechanism, flexion-extension adjusting mechanism；Serving mechanism includes substrate and three serving wheels, just can extrude by a tennis between three serving wheels；Release mechanism includes release fork, guide rail, steering engine one；Guide rail is fixed on the back side of substrate, and release fork is slidably fitted on guide rail；Tennis can push release forward under the action of release fork, and formed between release direction and three serving wheels to go out sphere vertical；Pitching adjusting mechanism includes two support shafts, two supporting racks, steering engine two；Two support shafts are individually fixed at left and right sides of substrate front side, and the outer end of two support shafts is respectively pivoted on two supporting racks, and one of support shaft drives rotation by steering engine two；The centre of sphere of the axial line axial line of two support shafts right through tennis.The utility model is compact-sized, small, service life length, and service placement and direction of rotation accurately control.
Description
Technical field
Sports equipment field is the utility model is related to, is especially a kind of tennis service device applied to mobile platform.
Background technology
Tennis is favored, but when training is with just practicing, be required for coach to feed by masses very much as a popular movement
Ball and training mate, waste of manpower resource.To solve the above-mentioned problems, occurs miscellaneous tennis serve machine on the market at present.
Such as：The Chinese patent of Patent No. 2013200286654 discloses a kind of tennis serve machine, and the tennis serve machine is by golf emitter
Structure, serving mechanism, pitch adjusting mechanism three parts composition.But there are following shortcoming for the tennis serve machine：First, pitch
Adjusting mechanism on chassis overhang, and is coordinated and is formed with elevation angle motor by lower flywheel-bracket hinge.Elevation angle motor and lower flywheel branch
Frame is connected, for driving lower flywheel-bracket swing rotary, so as to adjust the pitch angle of transmitting tennis.The flexion-extension adjusting mechanism is located at
The lower section of complete machine, the moment of torsion that recoil produces during service is very big, and the impact to motor is big, and loss is serious, the final complete machine that influences
Service life.Required moment of torsion is also big, it is necessary to which big steering engine drives when adjusting pitch angle.In addition, if complete machine is mounted to move
On moving platform, powerful moment of torsion can also cause to damage to whole mobile platform caused by that service.2nd, release mechanism includes
One curved conveyance conduit, its speed release produced completely by gravity fall, stability is poor, and ball rubs in dropping process
Wipe that power is excessive is easy for blocking.In addition, release mechanism is separated with the flywheel in serving mechanism, have to the flexion-extension adjustment of service very big
Limitation, and to service precision controlling have an impact.If ball and three flywheels at the same time do not touch can produce it is larger
Energy loss, causes ball drive distance to shorten.3rd, serving mechanism is made of flywheel that is three etc. big and being angularly distributed, the structure
Rotation ability, preceding rotation speed and service frequency are restricted before and after designing the ball sent.
To solve the above-mentioned problems, this case is given birth to therefrom.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided and it is a kind of compact-sized, it is small, use the longevity
Life length, and the tennis service device applied to mobile platform that service placement and direction of rotation accurately control.
To achieve these goals, the technical solution of the utility model is as follows：A kind of tennis applied to mobile platform is sent out
Ball device, including release mechanism, serving mechanism, flexion-extension adjusting mechanism；The serving mechanism includes substrate and three pass through respectively
Motor drives rotating serving wheel；Three serving wheels are arranged at the front of substrate, serve a ball in two of which under serving wheel and one
Wheel；The axial line of the lower serving wheel is horizontally disposed, and two upper serving wheels are oblique to be symmetrically disposed on lower serving wheel
Top, just can extrude by a tennis between three serving wheels；The middle part of the substrate corresponds to three serving wheels
Position is engraved structure；The diameters of two upper serving wheels are more than the diameter of lower serving wheel, upper serving wheel a diameter of 98~
102mm, a diameter of 73~77mm of lower serving wheel；The angle of plane is 108~112 degree where two upper serving wheels；It is described to send
Ball machine structure includes release fork, guide rail, steering engine one；The guide rail is fixed on the back side of substrate, and release fork is slidably fitted on guide rail,
And it can be slid back and forth under the driving of steering engine one along guide rail；A tennis can just be shelved on release fork, tennis can be
Push release forward under the action of release fork, and formed between release direction and three serving wheels to go out sphere vertical；It is described
Pitching adjusting mechanism includes two support shafts, two supporting racks, steering engine two；Two support shafts are individually fixed in substrate front side or so
Both sides, two supporting racks are located at the left and right sides of substrate respectively；The outer end of two support shafts is respectively pivoted on two supporting racks,
One of support shaft drives rotation by the steering engine two being arranged on supporting rack, and then drives whole substrate rotary oscillation；Two
The axial line of support shaft is on same horizontal linear, and axial line is right through the tennis for being squeezed in three serving wheel middles
The centre of sphere.
Further, the angle of plane is 110 degree where two upper serving wheels.
Further, the serving wheel is connected and formed with one heart by two wheels, is formed in the wheel rim middle part of serving wheel
The annular groove of one radial direction.
Further, the release fork main body is made of two inclined tab being symmetrical set, between two inclined tab just
A tennis can be shelved；The inclined tab rear end is connected on angle-square-shaped lath, and angle-square-shaped lath is made of level board and vertical panel；
The rear end of the level board is vertically provided with cylinder；The steering engine one is fixed on guide rail, is fixed with the output shaft of steering engine one
Swing rod, swing rod are stretched between the vertical panel and cylinder of release fork；When swing rod is swung forward under the driving of steering engine one, swing rod impact
Release, is pitched past be pushed forward by vertical panel；Under the driving of steering engine one during swing backward, swing rod impact cylinder, pitches release backward swing rod
Push away.
Further, the release mechanism further includes falling sphere lasso, and falling sphere lasso is fixed on substrate back, and its just position
In the surface of release fork slip approach；When tennis falls in falling sphere lasso, when release fork is in front extreme position, net
Ball is held on the level board of release fork；When release fork is in rear extreme position, tennis falls on two inclined tab of release fork
On.
After adopting the above technical scheme, the utility model compared with prior art, has the following advantages：
First, the axial line of two support shafts in adjusting mechanism is pitched on same horizontal linear, and axial line is just
Through the centre of sphere for the tennis for being squeezed in three serving wheel middles, recoil caused by service, since torque is almost nil, production
Raw moment of torsion can very little, to the impact force of steering engine almost without the service life of steering engine can be extended.And the used time is also in device
Immediate vicinity, only need less torsion small steering engine can be used to can be achieved with regard to pitch angle can be adjusted.Meanwhile installed in shifting
It is also small to the impact force of mobile platform since moment of torsion is small caused by service when on moving platform, it can substantially reduce to mobile platform
Caused by damage, prolong the service life.
2nd, release mechanism is pitched by release coordinates with steering engine come release, service fast response time, stabilization.Serving mechanism leads to
Cross substrate and form one with serving wheel, due to serving mechanism and serving wheel synchronous movement, adjusted when can thoroughly release service to pitching
Whole limitation.Release mechanism is vertical all the time with going out sphere with serving wheel release direction, it can be ensured that ball and three serving wheels during goal
It is tangent at the same time, energy loss is reduced, lifting service precision, drop point and rotation direction to ball can be controlled more accurately.
3rd, in actual tennis tournament, tennis is based on front and rear rotation.By the angle of plane where two upper serving wheels by 120
Degree is reduced to 108~112 degree, and since downward component becomes larger, frictional force also becomes larger therewith, front and rear rotation during so as to strengthen service
Ability.
4th, in actual tennis tournament, preceding rotating situation rotates after being more than.By the diameter design of two upper serving wheels into big
In the diameter of lower serving wheel, linear velocity higher that bull wheel can provide, contributes to the faster ball of rotary speed before being sent to, further
Rotation ability before reinforcement.In addition, when ball is sent in a flash, all wheel rotor speeds for participating in service can all reduce, and small wheel speed is extensive
Complex velocity is fast, its rotating speed drop it is fast, liter it is also fast, be conducive to quickly adjust direction of rotation and the speed of next ball, improve hair
Ball frequency.
5th, whole device is compact-sized, small, suitable for promoting the use of.
Brief description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the axonometric drawing of the utility model.
Fig. 3 is sectional view along A-A in Fig. 1.
Fig. 4 is the structure diagram of release mechanism in the utility model.
Fig. 5 is the structure diagram of another angle of release mechanism in the utility model.
Fig. 6 is the structure diagram that release is pitched in the utility model.
Fig. 7 is the distributed architecture schematic diagram of three serving wheels in the utility model.
Fig. 8 is the force analysis figure of upper serving wheel in the utility model.
Shown in figure：1st, release mechanism 11, release fork 111, inclined tab 112, level board 113, vertical panel 114, cylinder
12nd, guide rail 13, steering engine 1, swing rod 15, falling sphere lasso 2, serving mechanism 21, substrate 22, motor 23, upper serving wheel
24th, lower serving wheel 25, annular groove 3, pitch adjusting mechanism 31, support shaft 32, supporting rack 33, steering engine 24, ball α,
The angle of plane where two upper serving wheels.
Embodiment
The utility model is further elaborated below by drawings and examples.
As Fig. 1 to Fig. 3 shows：A kind of tennis service device applied to mobile platform, including release mechanism 1, serving mechanism
2nd, adjusting mechanism 3 is pitched.Serving mechanism 2 includes substrate 21 and three drive rotating serving wheel by motor 22 respectively.Three
Serving wheel is arranged at the front of substrate 21, serving wheel 23 and a lower serving wheel 24 in two of which.The axle center of lower serving wheel 24
Line is horizontally disposed, two upper oblique tops for being symmetrically disposed on lower serving wheel 24 of serving wheel 23, three serving wheels it
Between just can extrude by a tennis.The position that the middle part of substrate 21 corresponds to three serving wheels is engraved structure, tennis
It can launch from hollow out position.More than not in emphasis, the primary object of the utility model be it is following some：
The diameter of serving wheels 23 is more than the diameter of lower serving wheel 24 on two, preferably, two are gone up the straight of serving wheel 23
Footpath is 100mm, a diameter of 75mm of lower serving wheel 24.Certainly, the utility model does not make specific restriction to the diameter of serving wheel,
In other embodiments, the diameter of upper serving wheel 23 can be between 98~102mm, and the diameter of lower serving wheel 24 can be 73~77mm
Between.
Pitching adjusting mechanism 3 includes two support shafts 31, two supporting racks 32, steering engines 2 33.Two support shafts 31 are distinguished
The front of substrate 21 left and right sides is fixed on, two supporting racks 32 are located at the left and right sides of substrate 21 respectively, and are fixed on corresponding
On mobile platform.The outer end of two support shafts 31 is respectively pivoted on two supporting racks 32, and one of support shaft 31 is by setting
Rotation is driven in the steering engine 2 33 on supporting rack 32, and then drives whole 21 rotary oscillation of substrate.Steering engine 2 33 drives support shaft
31 rotate to be conventional technical means, and concrete structure is not repeating.The axial line of two support shafts 31 on same horizontal linear,
And axial line is right through the centre of sphere for the tennis for being squeezed in three serving wheel middles.
As shown in Figure 7 and Figure 8：The angle α of two 23 place planes of upper serving wheel is 108~112 degree.Preferably, two
The angle α of a 23 place plane of upper serving wheel is 110 degree.When α reduces, upper serving wheel puts on the downward component on tennis
F1 becomes larger, and frictional force also becomes larger therewith, the ability of front and rear rotation during so as to strengthen service.
As shown in Figure 5：Serving wheel is connected with one heart by two wheels to be formed, and one is formd in the wheel rim middle part of serving wheel
The annular groove 25 of radial direction.It is so designed that, the contact point of tennis and serving wheel increases at 6 points from 3 points, can improve service essence
Degree.
As shown in Figs. 4-6：Release mechanism 1 includes release fork 11, guide rail 12, steering engine 1.Guide rail 12 is fixed on substrate 21
The back side, release fork 11 is slidably fitted on guide rail 12, and can be slid back and forth under the driving of steering engine 1 along guide rail 12.Send
Can just shelve a tennis on ball fork 11, tennis can push release forward under the action of release pitches 11, and release direction with
Formed between three serving wheels to go out sphere vertical, ball and three serving wheels are tangent at the same time during goal.
Release is pitched 11 main bodys and is made of two inclined tab being symmetrical set 111, can just be shelved between two inclined tab 111
One tennis.111 rear end of inclined tab is connected on angle-square-shaped lath, and angle-square-shaped lath is made of level board 112 and vertical panel 113.
The rear end of level board 112 is vertically provided with cylinder 114.Steering engine 1 is fixed on guide rail 12, solid on the output shaft of steering engine 1
Surely there is swing rod 14, swing rod 14 is stretched between the vertical panel 113 and cylinder 114 of release fork 11.Swing rod 14 drives in steering engine 1
Under when swinging forward, swing rod 14 impacts vertical panel 113, release fork 11 toward being pushed forward, makes it along 12 forward slip of guide rail.Swing rod
14 in swing backward under steering engine 1 drives, and swing rod 14 impacts cylinder 114, release fork 11 toward pusher, makes it along guide rail
12 slide backward.
Release mechanism 1 further includes falling sphere lasso 15, and falling sphere lasso 15 is fixed on 21 back side of substrate, and it is placed exactly in release
Fork 11 slides the surface of approach.When tennis is from 15 inner whereabouts of falling sphere lasso, when release fork 11 is in front extreme position, net
Ball is held on the level board 112 of release fork 11.When release fork 11 is in rear extreme position, tennis falls on release fork 11
In two inclined tab 111.
Infrared sensor is set on the inner wall of falling sphere lasso 15.When infrared sensor is detected in falling sphere lasso 15 without ball
When, with the ball feeding device that the utility model is used cooperatively toward a ball is sent in falling sphere lasso 15, to ensure that the utility model can connect
It is continuous to launch tennis incessantly.
Utility model works principle is as follows：
During work, the utility model is installed on mobile platform by two supporting racks 32（Such as robot）.First, with
The ball feeding device that the utility model is used cooperatively send tennis 4 to falling sphere lasso 15, and the fork of release at this time 11 is located behind extreme
Position, tennis 4 are dropped down onto under falling sphere lasso 15 in two inclined tab 111 of release fork 11.Then, release fork 11 is in steering engine 1
Ball forward slip in the lump is pushed under effect, when release fork 11 be pushed into front extreme position when, tennis 4 and three it is high-speed rotating
Serving wheel contacts, and tennis 4 is squeezed at a high speed under rotation in three serving wheels and press against between three serving wheels, and moment launches
Go out.At the same time, next tennis 4 has been fallen into falling sphere lasso 15, and is held on the level board 112 of release fork 11.
After ball is launched, release fork 11 is reset to rear extreme position under the action of steering engine 1, is held on level board 112
Tennis 4 fall into release fork 11 two inclined tab 111 on.Then, release fork 11 continues release forward, into next transmitting stream
Journey, is circulated with this.Rotating speed by controlling three serving wheels can control the drop point of ball, direction of rotation, by controlling steering engine 2 33
Controllable whole device is swung up and down, and then controls service direction.
Foundation embodiment described above is enlightenment, and by above-mentioned description, relevant staff completely can be not
In the range of deviateing this item utility model thought, various changes and amendments are carried out.The technical scope of this item utility model
It is not limited to the content described in specification.
Claims (5)
1. a kind of tennis service device applied to mobile platform, including release mechanism, serving mechanism, flexion-extension adjusting mechanism；Its
It is characterized in that：The serving mechanism includes substrate and three drive rotating serving wheel by motor respectively；Three serving wheels are set
It is placed in the front of substrate, serving wheel and a lower serving wheel in two of which；The axial line of the lower serving wheel is in the horizontal direction
Set, two upper oblique tops for being symmetrically disposed on lower serving wheel of serving wheel, just can extrude between three serving wheels logical
Cross a tennis；The position that the middle part of the substrate corresponds to three serving wheels is engraved structure；The diameter of two upper serving wheels
More than the diameter of lower serving wheel, a diameter of 98~102mm of upper serving wheel, a diameter of 73~77mm of lower serving wheel；On two
The angle of plane is 108~112 degree where serving wheel；The release mechanism includes release fork, guide rail, steering engine one；The guide rail
The back side of substrate is fixed on, release fork is slidably fitted on guide rail, and can be slid back and forth under the driving of steering engine one along guide rail；
A tennis can be just shelved on the release fork, tennis can push release, and release direction forward under the action of release fork
Formed between three serving wheels to go out sphere vertical；It is described flexion-extension adjusting mechanism include two support shafts, two supporting racks,
Steering engine two；Two support shafts are individually fixed at left and right sides of substrate front side, and two supporting racks are located at the left and right sides of substrate respectively；
The outer end of two support shafts is respectively pivoted on two supporting racks, and one of support shaft is by the steering engine two that is arranged on supporting rack
Driving rotation, and then drive whole substrate rotary oscillation；The axial line of two support shafts is on same horizontal linear, and axle center
The centre of sphere of the line right through the tennis for being squeezed in three serving wheel middles.
A kind of 2. tennis service device applied to mobile platform according to claim 1, it is characterised in that：Two upper hairs
The angle of plane is 110 degree where ball wheel.
A kind of 3. tennis service device applied to mobile platform according to claim 1, it is characterised in that：The service
Wheel is connected with one heart by two wheels to be formed, and the annular groove of a radial direction is formd in the wheel rim middle part of serving wheel.
A kind of 4. tennis service device applied to mobile platform according to claim 1, it is characterised in that：The release
Fork main body is made of two inclined tab being symmetrical set, and a tennis can be just shelved between two inclined tab；After the inclined tab
End is connected on angle-square-shaped lath, and angle-square-shaped lath is made of level board and vertical panel；The rear end of the level board is vertically arranged
There is cylinder；The steering engine one is fixed on guide rail, and swing rod is fixed with the output shaft of steering engine one, and swing rod stretches to hanging down for release fork
Between straight panel and cylinder；When swing rod is swung forward under the driving of steering engine one, release, is pitched past be pushed forward by swing rod impact vertical panel；Pendulum
For bar under the driving of steering engine one during swing backward, swing rod impact cylinder, pitches release toward pusher.
A kind of 5. tennis service device applied to mobile platform according to claim 4, it is characterised in that：The release
Mechanism further includes falling sphere lasso, and falling sphere lasso is fixed on substrate back, and it is placed exactly in the surface of release fork slip approach；
When tennis falls in falling sphere lasso, when release fork is in front extreme position, tennis is held on the level board of release fork；
When release fork is in rear extreme position, tennis is fallen in two inclined tab of release fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720920059.1U CN207221245U (en) | 2017-07-27 | 2017-07-27 | A kind of tennis service device applied to mobile platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720920059.1U CN207221245U (en) | 2017-07-27 | 2017-07-27 | A kind of tennis service device applied to mobile platform |
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| Publication Number | Publication Date |
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| CN207221245U true CN207221245U (en) | 2018-04-13 |
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ID=61856094
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| CN201720920059.1U Active CN207221245U (en) | 2017-07-27 | 2017-07-27 | A kind of tennis service device applied to mobile platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045655A (en) * | 2018-10-08 | 2018-12-21 | 张海亭 | A kind of universal automatic kicking apparatus for tennis training |
| CN109276871A (en) * | 2018-10-16 | 2019-01-29 | 昆明理工大学 | A kind of intelligent tennis ball pitching robot |
| CN109276870A (en) * | 2018-10-09 | 2019-01-29 | 厦门理工学院 | A kind of service robot |
| CN109529291A (en) * | 2018-12-17 | 2019-03-29 | 昆明理工大学 | A kind of ball training machine people |
| CN110404241A (en) * | 2018-04-26 | 2019-11-05 | 陈鸽 | A kind of intelligent tennis serve machine of extensive angle |
| GB2601127A (en) * | 2020-11-18 | 2022-05-25 | Charles Pryor Henry | Ball-projection machine |
-
2017
- 2017-07-27 CN CN201720920059.1U patent/CN207221245U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404241A (en) * | 2018-04-26 | 2019-11-05 | 陈鸽 | A kind of intelligent tennis serve machine of extensive angle |
| CN109045655A (en) * | 2018-10-08 | 2018-12-21 | 张海亭 | A kind of universal automatic kicking apparatus for tennis training |
| CN109045655B (en) * | 2018-10-08 | 2020-05-15 | 桐乡市倍特科技有限公司 | A universal automatic service device for tennis training |
| CN109276870A (en) * | 2018-10-09 | 2019-01-29 | 厦门理工学院 | A kind of service robot |
| CN109276871A (en) * | 2018-10-16 | 2019-01-29 | 昆明理工大学 | A kind of intelligent tennis ball pitching robot |
| CN109276871B (en) * | 2018-10-16 | 2024-01-05 | 昆明理工大学 | Intelligent tennis service robot |
| CN109529291A (en) * | 2018-12-17 | 2019-03-29 | 昆明理工大学 | A kind of ball training machine people |
| CN109529291B (en) * | 2018-12-17 | 2024-01-05 | 昆明理工大学 | Ball training robot |
| GB2601127A (en) * | 2020-11-18 | 2022-05-25 | Charles Pryor Henry | Ball-projection machine |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180927 Address after: 311200 Hongxing Road, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang 389 Patentee after: Zhejiang Shenzhen cool robot Co., Ltd. Address before: 312000 G523 room 526 Ting Shan Road, Yuecheng District, Shaoxing, Shaoxing, Zhejiang Patentee before: SHAOXING KAIJIAN TECHNOLOGY CO., LTD. |