CN107583875A - A kind of table tennis anti-pumping performance detection means - Google Patents
A kind of table tennis anti-pumping performance detection means Download PDFInfo
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- CN107583875A CN107583875A CN201710894867.XA CN201710894867A CN107583875A CN 107583875 A CN107583875 A CN 107583875A CN 201710894867 A CN201710894867 A CN 201710894867A CN 107583875 A CN107583875 A CN 107583875A
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- table tennis
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- pumping performance
- detection means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention discloses a kind of table tennis anti-pumping performance detection means, including zero initial velocity release device, bouncer, information collecting device, receipts ball funnel device, rotating-table apparatus, classified collection device, zero initial velocity release device can ensure the zero initial velocity release during test of table tennis anti-pumping performance, influence of the table tennis initial velocity to measurement result precision when eliminating the test of table tennis anti-pumping performance;The setting of bouncer simplifies the measurement to the swash plate angle that bounces;Classified by the high speed video camera shooting table tennis bound peak of information collecting device so as to obtain anti-pumping performance parameter and be entered planetary stage, accuracy is high;Rotating-table apparatus ensure that the storage and classification to table tennis.The present invention improves the precision of table tennis bound detection performance test.
Description
Technical field
The present invention relates to table tennis device for detecting performance, more particularly to a kind of table tennis anti-pumping performance detection means.
Background technology
Table tennis is as Chinese national ball game, with the continuous improvement of its competitiveness and the invention of seamless table tennis, to table tennis
The requirement of pang ball measurement accuracy and efficiency is also with regard to more and more higher.At present, it is not adapted to seamless table tennis and seamed table tennis simultaneously also
The realtime on-line monitoring method of ball, for needed for international top race with ball will from large-tonnage product artificial screening, efficiency is low,
False drop rate is high, and quality can not ensure.
According to the regulation of 40mm tablees tennis in national standard GB/T20045-2005, table tennis performance detection index include weight,
Five hardness, bias, circularity and spring parameters, judge table tennis anti-pumping performance by the overall merit to five parameters
Quality.The definition of table tennis elasticity on steel plate as defined in being freely dropped into 305mm height, its jumping height 240~
It is qualified between 260mm.National standard is tested using light-operated and spring swash plate pit for the anti-pumping performance of table tennis,
And table tennis is all that ball manually is placed on into test position before measuring, can not realize automatic measurement, that is, both
What method of testing cannot be guaranteed to automate carries out zero initial velocity release to tested table tennis so that table tennis anti-pumping performance is tested
Resultant error is larger.
The content of the invention
The purpose of the present invention is to overcome deficiency of the prior art, there is provided a kind of table tennis anti-pumping performance detection means, this
Device can ensure the zero initial velocity release during test of table tennis anti-pumping performance, and shoot table tennis bullet by high speed video camera
Peak is jumped so as to obtain anti-pumping performance parameter and be entered planetary stage classification.
The technical solution adopted in the present invention is:A kind of table tennis anti-pumping performance detection means, including scroll chuck structure
Zero initial velocity release device, bouncer, information collecting device, receive ball funnel device, rotating-table apparatus, classified collection device;
The zero initial velocity release device is fixedly installed on the top of the bouncer by fix bar;The bouncer is fixed and set
Put at the edge of the receipts ball funnel device;The revolvable lower section for being arranged on the receipts ball funnel device of the rotating-table apparatus;
The classified collection device includes multiple collection devices, under multiple collection device casees are arranged in around the rotating-table apparatus
At the falling sphere of ball mouth that is square and being located at the rotating-table apparatus;Described information harvester includes being arranged on table tennis bound highest
Side near point, the CCD (Charge Coupled Device, charge coupling device) for shooting table tennis bounce-back process
Camera device, and the information processing and disseminating device being connected respectively with the CCD camera devices and the rotating-table apparatus.
The bouncer includes the spring swash plate and level board in fixed angle arrangement, and is arranged in the spring tiltedly
Between plate and the level board, to determine the angle between the spring swash plate and the level board and simplify the measurement of angle
For the gauge block of measurement of length.
The gauge block is fixed between the spring swash plate and the level board by gauge block fixing device.
The receipts ball funnel device includes receiving ball funnel and goes out ball passage;The receipts ball funnel is centrally disposed on standard table tennis
Pang bound enters the position of the receipts ball funnel;It is described go out ball passage be connected to it is described receipts ball funnel centre bottom, and with institute
It is coaxially connected to state receipts ball funnel.
It is described go out ball passage internal diameter be more than table tennis external diameter.
The rotating-table apparatus includes the inclined-plane storage for going out ball passage lower section, energy left-right rotation positioned at the receipts ball funnel device
Ball device, the inclined-plane low spot of the inclined-plane storage ball device is ball mouth, and the baffle plate that can be moved up and down is provided with the ball mouth;
The movement of the baffle plate and the steering of inclined-plane storage ball device are driven by controlled motor, at the controlled motor and described information
Reason is connected with transfer device.
The internal diameter of the inclined-plane storage ball device is less than table tennis external diameter.
The beneficial effects of the invention are as follows:In the present invention, tested using scroll chuck structure as table tennis anti-pumping performance
Zero initial velocity release device, it is that spring steel plate is dropped down onto under zero initial velocity that can ensure the test of table tennis anti-pumping performance, is greatly subtracted
The error of small table tennis anti-pumping performance test;It will determine that angle is converted into measurement of length by using gauge block so that angle
It is it is determined that more accurate;Spring peak is obtained by CCD camera devices, the semaphore of required detection is few, and detection speed is fast, extraneous
Disturbing factor is few, and measurement is accurate, and precision is high;Ensure that ball is received in the classification of the star of table tennis by rotating-table apparatus, it is simple in construction, easily
In operation.
Brief description of the drawings
Fig. 1:A kind of table tennis anti-pumping performance structure of the detecting device schematic diagram of the present invention;
Fig. 2:A kind of zero initial velocity release device structural representation of table tennis anti-pumping performance detection means of the present invention;
Fig. 3:A kind of rotating-table apparatus structural representation of table tennis anti-pumping performance detection means of the present invention.
Accompanying drawing marks:1st, fix bar, 2, driving lever, 3, inner ring, 4, outer ring, 5, three-jaw mechanism, 6, spring swash plate, 7, horizontal
Plate, 8, gauge block, 9, gauge block fixing device, 10, CCD camera devices, 11, information processing and disseminating device, 12, receive ball funnel, 13,
Go out ball passage, 14, baffle plate, 15, inclined-plane storage ball device, 16, controlled motor, 17, classified collection device.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to Fig. 3, a kind of table tennis anti-pumping performance detection means, including zero initial velocity release device, spring
Device, information collecting device, receive ball funnel device, rotating-table apparatus, classified collection device 17.
The zero initial velocity release device is fixedly installed on the top of the bouncer by fix bar 1.At the beginning of described zero
Speed release device uses the scroll chuck structure in optical lens, specifically, the zero initial velocity release device includes driving lever
2nd, outer ring 4, inner ring 3 and three-jaw mechanism 5.The outer ring 4 is fixed in the fix bar 1, and is not had between outer ring 4 and fix bar 1
There is relative motion;The inner ring 3 is fixed in the outer ring 4 and can rotated in the outer ring 4;The driving lever 2 is fixed on institute
State on inner ring 3, and there is no relative motion between driving lever 2 and inner ring 3;The three-jaw mechanism 5 includes circumferentially disposed three
Individual corpus unguis, the bottom both sides of the corpus unguis are separately fixed on the outer ring 4 and the inner ring 3, wherein, the bottom of the corpus unguis
Side is rotatably connected by pin with the inner ring 3, and corpus unguis only rotates fortune relative to the fixed point of inner ring 3 (at pin)
It is dynamic;The bottom opposite side of the corpus unguis offers movement slots, and screw connects the corpus unguis and the outer ring 4 through the movement slots
And can be slided in the movement slots, corpus unguis does not only have rotary motion relative to the junction of outer ring 4 (at screw), also has level
It is mobile, ensure that the distance between pin and screw change by the movement slots on corpus unguis.Inner ring 3 is driven by the rotation of driving lever 2
Rotation so as to driving the rotation of three-jaw mechanism 5 to control the size of arc diameter determined by 3 points of the top of three corpus unguis.
When the rotate counterclockwise of driving lever 2, that is, when 3 rotate counterclockwise of inner ring, the diameter of a circle that three corpus unguis tops are formed is to subtract
Small, conversely, when driving lever 2 turns clockwise, that is, when inner ring 3 turns clockwise, what three corpus unguis tops were formed
Diameter of a circle is increased.Determine that table tennis is to rest on this zero initial velocity to discharge by the size of circle determined by this 3 points
It can be discharged in device or by zero initial velocity release device.When the diameter of a circle that three corpus unguis tops are formed is less than ping-pong
During footpath, table tennis is placed in zero initial velocity release device, moving 2, three corpus unguis are simultaneously mobile, three corpus unguis tops
The diameter of a circle formed becomes big, until more than the diameter of table tennis, table tennis is carried out at the beginning of zero by zero initial velocity release device
The Vertical Free falling of speed.
The bouncer includes the spring swash plate 6 and level board 7 in fixed angle arrangement, and is arranged in the spring
Between swash plate 6 and the level board 7, to determine the angle between the spring swash plate 6 and the level board 7 and by the survey of angle
Amount is reduced to the gauge block 8 of measurement of length, and the gauge block 8 is fixed on the spring swash plate 6 and described by gauge block fixing device 9
Between level board 7.It is described spring swash plate 6 and the level board 7 between fixed angle, by the height of gauge block 8 between the two with
And position of the gauge block 8 on level board 7 determines, due to being bounced relative to linear measure longimetry direct measurement between swash plate 6 and level board 7
Angle it is more inconvenient and error is larger, therefore will determine that angle problem is converted into measurement length issue, the height of gauge block 8 is mark
Quasi- height, therefore need to only determine that spring swash plate 6 can determine that level board 7 and bullet with the distance between the intersection of level board 7 and gauge block 8
Jump the angle between swash plate 6.The bouncer is fixedly installed on the edge of the receipts ball funnel device, surveys table tennis and falls
Bounce-back is hence into receipts ball funnel device on the spring swash plate 6.
Described information harvester includes being arranged on the side, anti-for shooting table tennis near table tennis bound peak
The CCD camera devices 10 of journey are bounced, and the controlled motor 16 with the CCD camera devices 10 and the rotating-table apparatus is connected respectively
The information processing and disseminating device 11 connect.Table tennis by dropped down onto under zero initial velocity release device spring swash plate 6 after can rebound, by
CCD camera devices 10 shoot the process of table tennis bounce-back, gather positional information of the table tennis in the spring courbette of swash plate 6, pass through
Information processing and disseminating device 11 obtains the height value of the peak of table tennis bounce-back and carries out the classification of table tennis star will classification
Information transmission is to rotating-table apparatus.
The receipts ball funnel device includes receiving ball funnel 12 and goes out ball passage 13.The collection funnel is used to receive spring tiltedly
Table tennis after the bounce-back of plate 6.To prevent table tennis from being bounced out in funnel funnel, it is described receive ball funnel 12 be centrally disposed on mark
Quasi- table tennis bound enters the position of the receipts ball funnel 12, and makees the sufficiently large table tennis for preventing error larger by ball funnel 12 is received
Bound goes out to receive ball funnel 12.It is described go out ball passage 13 be connected to the centre bottom of the receipts ball funnel 12, and with the receipts ball
Funnel 12 is coaxially connected, because table tennis is the release of zero initial velocity, as long as because table tennis bound error is little, can drop down onto
Go out near ball passage 13.It is described go out ball passage 13 internal diameter be more than table tennis external diameter, table tennis, which enters, to be received in ball funnel 12, due to
Gravity can enter in ball passage 13, subsequently enter rotating-table apparatus.
The revolvable lower section for being arranged on the receipts ball funnel device of the rotating-table apparatus.The rotating-table apparatus includes being located at
The go out lower section of ball passage 13, the inclined-plane of energy left-right rotation for receiving ball funnel device stores up ball device 15, and the inclined-plane stores up ball device
15 internal diameter is less than table tennis external diameter;The inclined-plane low spot of the inclined-plane storage ball device 15 is ball mouth, is set on the ball mouth
There is the baffle plate 14 that can be moved up and down;The movement of the baffle plate 14 and the steering of inclined-plane storage ball device 15 are driven by controlled motor 16
Dynamic, the controlled motor 16 is connected with described information processing with transfer device 11.Table tennis is entered by receipts ball funnel device to be turned
Disk device, fall on inclined-plane storage ball device 15, due to the presence of baffle plate 14, table tennis can't tumble;Due to controlled motor 16
Energy controlling baffle plate 14 is in vertical motion, and after baffle plate 14 moves down, table tennis can be tumbled freely into collection device, fallen
Enter in which ball collecting device is that controlled motor 16 fills inclined-plane storage ball according to the information that information processing and disseminating device 11 is handled
Put 15 and rotate to corresponding collection device.
The classified collection device 17 includes multiple collection devices, and multiple collection device casees are arranged in the rotating disk dress
Below around putting and at the falling sphere of the ball mouth of the rotating-table apparatus;In the present embodiment, collection device is three, respectively
Collect high-class product, certified products and defective work.When table tennis enters classified collection device 17, this time test is completed for representative.
Although the preferred embodiments of the present invention are described above in conjunction with accompanying drawing, the invention is not limited in upper
The embodiment stated, above-mentioned embodiment is only schematical, be not it is restricted, this area it is common
Technical staff in the case of present inventive concept and scope of the claimed protection is not departed from, may be used also under the enlightenment of the present invention
By make it is many in the form of, these are belonged within protection scope of the present invention.
Claims (7)
- A kind of 1. table tennis anti-pumping performance detection means, it is characterised in that the zero initial velocity release dress including scroll chuck structure Put, bouncer, information collecting device, receive ball funnel device, rotating-table apparatus, classified collection device;The zero initial velocity release Device is fixedly installed on the top of the bouncer by fix bar;The bouncer is fixedly installed on the receipts ball funnel The edge of device;The revolvable lower section for being arranged on the receipts ball funnel device of the rotating-table apparatus;The classified collection device Including multiple collection devices, multiple collection device casees are arranged in lower section around the rotating-table apparatus and are located at the rotating disk At the falling sphere of the ball mouth of device;Described information harvester includes the side near table tennis bound peak, use In the CCD camera devices of shooting table tennis bounce-back process, and it is connected respectively with the CCD camera devices and the rotating-table apparatus Information processing and disseminating device.
- A kind of 2. table tennis anti-pumping performance detection means according to claim 1, it is characterised in that the bouncer bag Include in fixed angle arrangement spring swash plate and level board, and be arranged in it is described spring swash plate and the level board between, with Determine the angle between the spring swash plate and the level board and the measurement of angle is reduced to the gauge block of measurement of length.
- A kind of 3. table tennis anti-pumping performance detection means according to claim 2, it is characterised in that the gauge block throughput Block fixing device is fixed between the spring swash plate and the level board.
- A kind of 4. table tennis anti-pumping performance detection means according to claim 1, it is characterised in that the receipts ball funnel dress Put including receiving ball funnel and going out ball passage;The standard table tennis bound that is centrally disposed on for receiving ball funnel enters the receipts ball funnel Position;It is described go out ball passage be connected to it is described receipts ball funnel centre bottom, and with it is described receipts ball funnel it is coaxially connected.
- A kind of 5. table tennis anti-pumping performance detection means according to claim 4, it is characterised in that it is described go out ball passage Internal diameter is more than table tennis external diameter.
- A kind of 6. table tennis anti-pumping performance detection means according to claim 1, it is characterised in that the rotating-table apparatus bag Include positioned at the going out below ball passage of the receipts ball funnel device, can left-right rotation inclined-plane storage ball device, the inclined-plane storage ball dress The inclined-plane low spot put is ball mouth, and the baffle plate that can be moved up and down is provided with the ball mouth;The movement of the baffle plate and described The steering of inclined-plane storage ball device is driven by controlled motor, and the controlled motor is connected with described information processing with transfer device.
- A kind of 7. table tennis anti-pumping performance detection means according to claim 6, it is characterised in that the inclined-plane storage ball dress The internal diameter put is less than table tennis external diameter.
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CN201710894867.XA CN107583875B (en) | 2017-09-28 | 2017-09-28 | Table tennis bounce performance detection device |
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CN201710894867.XA CN107583875B (en) | 2017-09-28 | 2017-09-28 | Table tennis bounce performance detection device |
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CN107583875B CN107583875B (en) | 2023-04-18 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108635780A (en) * | 2018-04-03 | 2018-10-12 | 南京信息工程大学 | A kind of table tennis ball pickup |
CN108918104A (en) * | 2018-04-27 | 2018-11-30 | 南华大学 | A kind of basketball performance parameter intelligent checking system |
CN110108319A (en) * | 2019-04-29 | 2019-08-09 | 张彩星 | Table tennis specification detection device |
CN110388855A (en) * | 2019-07-18 | 2019-10-29 | 西安工业大学 | A kind of test method and device of jumping height |
CN110479639A (en) * | 2019-08-16 | 2019-11-22 | 吉林师范大学 | A kind of device and its application method applied to table tennis recessiveness Crack Detection |
CN111307578A (en) * | 2020-02-25 | 2020-06-19 | 厦门市省力机械有限公司 | Bounce height testing machine |
CN112903221A (en) * | 2021-02-09 | 2021-06-04 | 诸暨博仕文弹簧有限公司 | Spring elasticity detection device with convenient positioning for spring test |
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CN205786141U (en) * | 2016-05-25 | 2016-12-07 | 关山 | A kind of table tennis and table tennis table elasticity special detector |
CN106345704A (en) * | 2016-09-23 | 2017-01-25 | 天津大学 | Seamless table tennis ball bounce performance detection and sorting device |
CN207494053U (en) * | 2017-09-28 | 2018-06-15 | 天津大学 | A kind of table tennis anti-pumping performance detection device |
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CN2593849Y (en) * | 2002-12-20 | 2003-12-24 | 胡誉 | Table tennis ball collector |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108635780A (en) * | 2018-04-03 | 2018-10-12 | 南京信息工程大学 | A kind of table tennis ball pickup |
CN108918104A (en) * | 2018-04-27 | 2018-11-30 | 南华大学 | A kind of basketball performance parameter intelligent checking system |
CN110108319A (en) * | 2019-04-29 | 2019-08-09 | 张彩星 | Table tennis specification detection device |
CN110388855A (en) * | 2019-07-18 | 2019-10-29 | 西安工业大学 | A kind of test method and device of jumping height |
CN110388855B (en) * | 2019-07-18 | 2021-07-20 | 西安工业大学 | Method and device for testing bounce height |
CN110479639A (en) * | 2019-08-16 | 2019-11-22 | 吉林师范大学 | A kind of device and its application method applied to table tennis recessiveness Crack Detection |
CN111307578A (en) * | 2020-02-25 | 2020-06-19 | 厦门市省力机械有限公司 | Bounce height testing machine |
CN112903221A (en) * | 2021-02-09 | 2021-06-04 | 诸暨博仕文弹簧有限公司 | Spring elasticity detection device with convenient positioning for spring test |
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