CN102607366A - Basketball specification detecting device - Google Patents
Basketball specification detecting device Download PDFInfo
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- CN102607366A CN102607366A CN2012100546685A CN201210054668A CN102607366A CN 102607366 A CN102607366 A CN 102607366A CN 2012100546685 A CN2012100546685 A CN 2012100546685A CN 201210054668 A CN201210054668 A CN 201210054668A CN 102607366 A CN102607366 A CN 102607366A
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Abstract
The invention discloses a basketball specification detecting device, comprising a detection table bracket, wherein a fine-adjusting device is arranged at the bottom of the detection table bracket; an elastic detection platform, a 120 cm standard line and a 140 cm standard line are arranged on the detection table bracket; and the elastic detection platform is provided with a perimeter detecting device, an elasticity detecting device and a weight detecting device. According to the basketball specification detecting device disclosed by the invention, the defect of lacking strictness in the conventional artificial experience measurement method is solved, the weight detecting device, a diameter measuring (the perimeter detecting) device and the elasticity detecting device are combined integrally, so that a special basketball specification detecting device is formed; the basketball specification detecting device aims at detecting the specification of a basketball scientifically, strictly, comprehensively, conveniently and quickly, and clearly judging whether the detected basketball meets requirements of Basketball Rule issued by an international basketball federation, thereby more scientifically and strictly providing a guarantee for basketball competitions and trainings.
Description
Technical field
The present invention relates to a kind of sports apparatus pick-up unit, especially a kind of basketball specification pick-up unit.
Background technology
Basketball specification to match usefulness in " basketball rules " of International Basketball Association promulgation explicitly calls for, that is: the circumference of basketball must not be less than 0.749 meter (74.9 centimetres), must not be greater than 0.780 meter (78 centimetres); Weight must not be less than 567 grams, must not be more than 650 grams; After the basketball inflation, ball is fallen on the ground in court from 1.80 meters height (measuring from the bottom of ball), the height that bounce-back is got up must not be lower than 1.20 meters, also must not be higher than 1.40 meters (measuring from the top of ball).
At present, what both at home and abroad the big event pre-games was used the elastomeric check of basketball is the artificial experience method, that is: testing staff's holding stands on the basketball court; According to self experience; With hand basketball is placed about 1.80 meters height, ask the player to withdraw rapidly then, ball is freely fallen; Bounce-back is got up according to self body part corresponding height whether this ball elasticity to be met the requirements again and is made guestimate; Need to measure by rule, meausring apparatus in addition as for girth, weight, though the method is feasible, shortcoming is to lack enough science and preciseness.
Through retrieval, do not see demonstration about the pick-up unit of basketball specification.
Summary of the invention
The objective of the invention is for overcoming the deficiency of above-mentioned prior art; A kind of basketball specification pick-up unit is provided; This device overcomes the drawback that traditional " artificial experience mensuration " lacks preciseness, and weight measurement, diameter measurement (girth detection), elastomeric check device are integrated, and is convenient and swift.For Basketball Match and training provide scientific basis.
For realizing above-mentioned purpose, the present invention adopts following technical proposals:
A kind of basketball specification pick-up unit; Comprise the monitor station support; Said monitor station frame bottom is provided with micromatic setting; The monitor station support is provided with elastomeric check platform, 120 centimetres of standard liness and 140 centimetres of standard liness, and said elastomeric check platform is provided with girth pick-up unit, elastomeric check device and Weight detecting device.
Said micromatic setting is the horizontal alignment screw that is arranged at the monitor station frame bottom.
The table top upper edge of said elastomeric check platform is 180 centimetres apart from floor level.
Said girth pick-up unit comprises two vertical fixing on the elastomeric check platform and first fixing chuck plate that is parallel to each other and second fixing chuck plate, is provided with parallel with aforementioned two fixing chuck plates and a vernier clamp that can move left and right between said first fixing chuck plate and second fixing chuck plate; Said first fixing chuck plate is fixed with fixedly rule of a vernier caliper parallel with the elastomeric check platform respectively with the second fixing chuck plate rear and front end; The vernier clamp is provided with and is enclosed within the fixedly vernier on the rule of vernier caliper; Vernier is provided with and is fastened to the fixedly trip bolt on the rule of vernier caliper, and the vernier clamp is provided with the vernier clamp push-pull handle that passes first fixing chuck plate.
The size and the shape of said first fixing chuck plate and second fixing chuck plate are identical.
The said vernier caliper fixedly two ends of rule is individually fixed on first fixing chuck plate and second fixing chuck plate, and all vertical with said two fixing chuck plates.
Said vernier caliper fixedly rule is a steel ruler, and this steel ruler also is the sliding rail of vernier clamp.
Said vernier caliper fixedly " 0 " scale mark of rule flushes with the interior edge of second fixing chuck plate; The interior edge of vernier clamp flushes with vernier graduation read line on the vernier caliper.
The fixedly rule of said vernier caliper is marked with between qualified scale area.
When vernier clamp and first fixing chuck plate were close to, the distance between the interior edge of second fixing chuck plate and the interior edge of vernier clamp was greater than 25 centimetres.
Said elastomeric check device is included in the inside diameter that is provided with between first fixing chuck plate and second fixing chuck plate on the elastomeric check platform greater than 25 centimetres circular small opening; On vertical side of elastomeric check platform and transverse side, be respectively equipped with vertical equity appearance and lateral level.
Said Weight detecting device is the electronic scale that is arranged at elastomeric check platform one side, and said electronic scale is provided with annular pad and display screen.
The present invention can realize following detection:
1, diameter measurement (girth detection): utilize the vernier measurement mechanism to record the diameter of tested ball, whether meet rule request by the tested ball girth of the corresponding qualified scale interval judgement of rule.
Operation steps is following:
(1) unscrews vernier caliper trip bolt on the vernier caliper of both sides, the vernier clamp can be slided under external force smoothly;
(2) outwards spur vernier clamp push-pull handle, the vernier clamp is pressed close to fixing chuck plate mutually, the reading that makes vernier caliper is greater than 25 centimetres;
(3) tested ball is lifted between the vernier clamp and second fixing chuck plate;
(4) inwardly slowly promote vernier clamp push-pull handle, tested ball (is guaranteed that elastic deformation does not take place ball to be detected) gently be clipped between the vernier clamp and second fixing chuck plate;
(5) screw vernier caliper trip bolt on the vernier caliper of both sides;
(6) rule of vernier caliper is partly observed from both sides, see that vernier graduation is whether between qualified scale area in.
(7) turn ball to be detected repeats above six steps, its different parts diameter is carried out two to three times measure, repeatedly observation.
(8) whether the girth of ball to be detected being met rule request and make science judgment, is the qualified ball of using between the qualified scale area of reading on the rule part of vernier caliper.Otherwise be the defective ball of using: if vernier graduation less than 23.84 centimetres, then girth is less than 74.9 centimetres; If greater than 24.83 centimetres, then girth is greater than 78 centimetres.
2, elastomeric check: utilizing highly is 180 centimetres platform, makes that ball is own to be fallen, and after the back bounce-back of landing was got up, utilization highly was that two standard liness of 140 centimetres and 120 centimetres judge whether tested ball elasticity meets rule request.
Operation steps is following:
(1) finely tunes four terminal horizontal alignment screws in monitor station support below repeatedly; Observe the change in location of the built-in observation bubble of level meter of vertical equity appearance and lateral level; Fine setting repeatedly; All be in the middle of level meter scale until two bubbles, thereby realize that elastomeric check platform and 140 centimetres of standard liness and 120 centimetres of standard liness are in horizontality;
(2) fully unscrew vernier caliper trip bolt on the vernier caliper of both sides, the vernier clamp can easily be slided under external force;
(3) outwards spur vernier clamp push-pull handle, the vernier clamp is pressed close to fixing chuck plate mutually, the reading that makes vernier caliper is greater than 25 centimetres;
(4) tested ball is put between the vernier clamp and second fixing chuck plate, and made its bottom flush (thereby the bottom that guarantees the tested ball of free-falling initial instant is 180 centimetres apart from floor level) with the upper edge of elastomeric check platform;
(5) inwardly promote vernier clamp push-pull handle, by being pressed between the vernier clamp and second fixing chuck plate, make tested ball be in relative static conditions in tested ball;
(6) outwards spur vernier clamp push-pull handle gently, drive the vernier clamp gradually away from second fixing chuck plate, when the spacing of the vernier clamp and second fixing chuck plate during greater than the diameter of tested ball, the free-falling of tested club;
(7) rapidly sight line is moved between 140 centimetres of standard liness and the 120 centimetres of standard liness; Observe tested ball free-falling land the back height that rises of first bounce, observe its top whether between these two standard liness;
(8) above seven steps are carried out two to three times repeatedly; Whether the elasticity of ball to be detected is met rule request make science judgment; After the basketball inflation; Ball is fallen on the ground in court from 1.80 meters height (measuring from the bottom of ball), and the height that bounce-back is got up must not be lower than 1.20 meters, also must not be higher than 1.40 meters (measuring from the top of ball).
3, weight detecting: utilize subsidiary weighing scale device to carry out weighing, judge whether its weight meets rule request to detecting ball weight.
The concrete operations step is following:
At first, electronic scale annular pad is placed on effective weighing table top of electronic scale, the adjustment electronic scale makes the weight display screen be shown as zero (peeling is handled).
Then ball is placed in the annular pad on the electronic scale and (prevents that tested ball from rolling), make ball be in metastable state.
Whether the last definite weight that on electronic scale weight display screen, observes ball to be detected (weight show be accurate to " 0.1 gram ") meets rule request to the weight of tested ball and makes science judgment, and weight must not be less than 567 grams, must not be more than 650 grams.
The invention has the beneficial effects as follows; Compared with prior art; The present invention has overcome the drawback that traditional " artificial experience mensuration " lacks preciseness; Weight measurement, diameter measurement (girth detection), elastomeric check device are integrated, constitute basketball specification special detection device, its purpose is realization science, rigorous, comprehensively, quickly and easily the basketball specification is detected; Judge clearly whether ball to be detected meets " basketball rules " requirement of International Basketball Association promulgation, thus for Basketball Match with train more science, rigorous providing safeguard.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is a side view of the present invention;
Fig. 3 is a local enlarged diagram of the present invention;
Fig. 4 is a vertical view of the present invention;
Among the figure: 1, vernier clamp; 2, first fixing chuck plate; 3, vernier caliper; 4, vernier clamp push-pull handle; 5, elastomeric check platform; 6, vertical equity appearance; 7, lateral level; 8,140 centimetres of standard liness; 9,120 centimetres of standard liness; 10, monitor station support; 11, horizontal alignment screw; 12, second fixing chuck plate; 13, tested basketball; 14, fixing rule; 15, circular small opening; 16, electronic scale; 17, between qualified scale area; 18, trip bolt; 19, the built-in observation bubble of level meter; 20 level meter scales; 21, weight display screen; 22, electronic scale annular pad.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Girth detects:
Shown in Fig. 1 (one-piece construction synoptic diagram of the present invention): on elastomeric check platform 5 table tops, designed vernier clamp 1, first fixing chuck plate 2 and 12 3 risers of second fixing chuck plate, these three risers are vertical with elastomeric check platform 5 table tops;
Shown in Fig. 4 (vertical view of the present invention): vernier clamp of the present invention 1, first fixing chuck plate 2 and second fixing chuck plate, 12 both sides are designed with two vernier calipers 3 respectively, its fixedly rule 14 be steel ruler, also be the sliding rail of vernier clamp 1 simultaneously.
Shown in Fig. 4 (vertical view of the present invention) and Fig. 3 (local enlarged diagram of the present invention): vernier clamp 1 of the present invention is that an interlock is whole with the vernier three that the vernier clamp pushes away on handle 4 and the vernier caliper 3.And the random pull of plate body that two horizontal push-pull handles of vernier clamp push-pull handle 4 can pass first fixing chuck plate 2; Push-and-pull vernier clamp 1 slides; Thereby realization: under the external force effects that vernier clamp push-pull handle 4 inwardly promotes or outwards spurs, the vernier on vernier clamp 1 and the vernier caliper 3 slides synchronously.Wherein higher because of the degree of accuracy demand, so " pull bar passes through groove " on " pull bar " of two horizontal push-pull handles of vernier clamp push-pull handle 4 and first fixing chuck plate 2 must be accurate.
Shown in Fig. 2 (side view of the present invention): the rule part 14 on the vernier caliper 3 is horizontally fixed between first fixing chuck plate 2 and second fixing chuck plate 12, keeps level relatively with elastomeric check platform 5.
Shown in Fig. 3 (local enlarged diagram of the present invention): vernier caliper fixedly " 0 " scale mark of rule 14 (its scale is accurate to 0.01 centimetre) definitely flushes with the interior edge of second fixing chuck plate 12; The interior edge of vernier clamp 1 definitely flushes with vernier graduation read line on the vernier caliper 3.
Shown in Fig. 3 (local enlarged diagram of the present invention): be marked with between qualified scale area 17 at the fixedly rule 14 of vernier caliper 3, its interval value is between 23.84 centimetres to 24.83 centimetres.Rule request: the circumference of basketball must not be less than 0.749 meter (74.9 centimetres, promptly diameter is 23.84 centimetres), must not be greater than 0.780 meter (78 centimetres, promptly diameter is 24.83 centimetres).
Shown in Fig. 3 (local enlarged diagram of the present invention): when outside pulling vernier clamp push-pull handle 4 is close to the vernier clamp 1 and first fixing chuck plate 2; Distance between the interior edge (being vernier caliper 3 vernier graduation read lines) of interior edge of second fixing chuck plate 12 (being fixedly " 0 " scale of rule 14 of vernier caliper) and vernier clamp 1 is greater than 25 centimetres, so that basketball to be detected 13 can smooth and easyly be put into this surveyed area.
When whether the girth that detects tested ball 13 met rule request, operation steps was following:
(1) unscrews vernier caliper trip bolt 18 on the both sides vernier caliper 3, vernier clamp 1 can be slided under external force smoothly;
(2) outwards spur vernier clamp push-pull handle 4, vernier clamp 1 is pressed close to fixing chuck plate 2 mutually, the reading that makes vernier caliper 3 is greater than 25 centimetres;
(3) tested ball 13 is lifted between the vernier clamp 1 and second fixing chuck plate 12;
(4) inwardly slowly promote vernier clamp push-pull handle 4, tested ball 13 (is guaranteed that elastic deformation does not take place ball 13 to be detected) gently be clipped between the vernier clamp 1 and second fixing chuck plate 12;
(5) screw vernier caliper trip bolt 18 on the both sides vernier caliper 3;
(6) the rule part 14 of vernier caliper 3 observation from both sides sees that vernier graduation is whether between qualified scale area in 17.
(7) turn ball 13 to be detected repeats above six steps, its different parts diameter is carried out two to three times measure, repeatedly observation.
(8) whether the girth of ball to be detected is met rule request and make science judgment, be the qualified ball of using in 17 between the qualified scale area of reading on the rule part 14 of vernier caliper 3.Otherwise be the defective ball of using: if vernier graduation less than 23.84 centimetres, then girth is less than 74.9 centimetres; If greater than 24.83 centimetres, then girth is greater than 78 centimetres.
Elastomeric check:
Shown in Fig. 1 (one-piece construction synoptic diagram of the present invention): the vertical lateral layout at elastomeric check platform 5 has vertical equity appearance 6; Transverse side is designed with lateral level 7.
Shown in Fig. 1 (one-piece construction synoptic diagram of the present invention): be positioned at flexibility test platform 5 middle parts and be designed with circular small opening 15, its inside diameter is greater than 25 centimetres (to guarantee can smooth and easyly passing through this small opening when tested ball 13 free-fallings).
Shown in Fig. 1 (one-piece construction synoptic diagram of the present invention) and Fig. 3 (local enlarged diagram of the present invention): be designed with built-in observation bubble 19 of built-in level meter and level meter scale 20 on vertical equity appearance 6 and the lateral level 7 respectively;
Shown in Fig. 2 (side view of the present invention):
(1) mesa designs of elastomeric check platform 5 is an abswolute level, 180 centimetres far from ground of its upper edges;
140 centimetres of the upper edges of (2) 140 centimetres of standard liness 8 far from ground;
120 centimetres of the lower edges of (3) 120 centimetres of standard liness 9 far from ground;
(4) elastomeric check platform 5 and 140 centimetres of standard liness 8 and 120 centimetres of standard liness 9 are designed to keep being parallel to each other;
(5) end is designed with horizontal alignment screw 11 respectively below four monitor station supports 10.
It is following whether the elasticity of utilizing the present invention to detect ball 13 to be detected meets rule request practical operation step:
(1) finely tunes the terminal horizontal alignment screw 11 in four monitor station support 10 belows repeatedly; Observe the change in location of the built-in observation bubble 19 of level meter of vertical equity appearance 6 and lateral level 7; Fine setting repeatedly; All be in the middle of level meter scale 20 until two bubbles, thereby realize that elastomeric check platform 5 and 140 centimetres of standard liness 8 and 120 centimetres of standard liness 9 are in horizontality;
(2) fully unscrew vernier caliper trip bolt 18 on the both sides vernier caliper 3, vernier clamp 1 can easily be slided under external force;
(3) outwards spur vernier clamp push-pull handle 4, vernier clamp 1 is pressed close to fixing chuck plate 2 mutually, the reading that makes vernier caliper 3 is greater than 25 centimetres;
(4) tested ball 13 is put between the vernier clamp 1 and second fixing chuck plate 12, and made its bottom flush (thereby the bottom that guarantees the tested ball 13 of free-falling initial instant is 180 centimetres apart from floor level) with the upper edge of elastomeric check platform 5;
(5) inwardly promote vernier clamp push-pull handle 4, by being pressed between the vernier clamp 1 and second fixing chuck plate 12, make tested ball 13 be in relative static conditions in tested ball 13;
(6) outwards spur vernier clamp push-pull handle 4 gently, drive vernier clamp 1 gradually away from second fixing chuck plate 12, when the spacing of vernier clamp 1 and second fixing chuck plate 12 during greater than the diameter of tested ball 13, tested ball 13 is understood free-fallings;
(7) rapidly sight line is moved between 140 centimetres of standard liness 8 and the 120 centimetres of standard liness 9; Observe tested ball 13 free-fallings land the back height that rises of first bounce, observe its top whether between these two standard liness;
(8) above seven steps are carried out two to three times repeatedly; Whether the elasticity of ball 13 to be detected is met rule request make science judgment; After the basketball inflation; Ball is fallen on the ground in court from 1.80 meters height (measuring from the bottom of ball), and the height that bounce-back is got up must not be lower than 1.20 meters, also must not be higher than 1.40 meters (measuring from the top of ball).
Weight detecting: utilize the weight of the subsidiary 16 pairs of tested basketballs 13 of electronic scale of the present invention to detect, thereby whether the weight of judging tested ball 13 meets rule request.
The concrete operations step is following:
At first, electronic scale annular pad 22 is placed on effective weighing table top of electronic scale 16, adjustment electronic scale 16 makes weight display screen 21 be shown as zero (peeling is handled).
Then ball is placed in the annular pad 22 on the electronic scale 16 and (prevents that tested ball 13 from rolling), make ball be in metastable state.
Whether the last definite weight that on electronic scale weight display screen 21, observes ball 13 to be detected (weight show be accurate to " 0.1 gram ") meets rule request to the weight of tested ball 13 and makes science judgment, and weight must not be less than 567 grams, must not be more than 650 grams.
Though the above-mentioned accompanying drawing specific embodiments of the invention that combines is described; But be not restriction to protection domain of the present invention; One of ordinary skill in the art should be understood that; On the basis of technical scheme of the present invention, those skilled in the art need not pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. basketball specification pick-up unit; It is characterized in that; Comprise the monitor station support; Said monitor station frame bottom is provided with micromatic setting, and the monitor station support is provided with elastomeric check platform, 120 centimetres of standard liness and 140 centimetres of standard liness, and said elastomeric check platform is provided with girth pick-up unit, elastomeric check device and Weight detecting device.
2. basketball specification pick-up unit as claimed in claim 1 is characterized in that, said micromatic setting is the horizontal alignment screw that is arranged at the monitor station frame bottom.
3. basketball specification pick-up unit as claimed in claim 1 is characterized in that the table top upper edge of said elastomeric check platform is 180 centimetres apart from floor level.
4. basketball specification pick-up unit as claimed in claim 1; It is characterized in that; Said girth pick-up unit comprises two vertical fixing on the elastomeric check platform and first fixing chuck plate that is parallel to each other and second fixing chuck plate, is provided with parallel with aforementioned two fixing chuck plates and a vernier clamp that can move left and right between said first fixing chuck plate and second fixing chuck plate; Said first fixing chuck plate is fixed with fixedly rule of a vernier caliper parallel with the elastomeric check platform respectively with the second fixing chuck plate rear and front end; The vernier clamp is provided with and is enclosed within the fixedly vernier on the rule of vernier caliper; Vernier is provided with and is fastened to the fixedly trip bolt on the rule of vernier caliper, and the vernier clamp is provided with the vernier clamp push-pull handle that passes first fixing chuck plate.
5. basketball specification pick-up unit as claimed in claim 4 is characterized in that the size and the shape of said first fixing chuck plate and second fixing chuck plate are identical; The said vernier caliper fixedly two ends of rule is individually fixed on first fixing chuck plate and second fixing chuck plate, and all vertical with said two fixing chuck plates.
6. basketball specification pick-up unit as claimed in claim 5 is characterized in that, said vernier caliper fixedly rule is a steel ruler, and this steel ruler also is the sliding rail of vernier clamp; Said vernier caliper fixedly " 0 " scale mark of rule flushes with the interior edge of second fixing chuck plate; The interior edge of vernier clamp flushes with vernier graduation read line on the vernier caliper.
7. basketball specification pick-up unit as claimed in claim 6 is characterized in that said vernier caliper fixedly rule is marked with between qualified scale area.
8. basketball specification pick-up unit as claimed in claim 4 is characterized in that, when vernier clamp and first fixing chuck plate were close to, the distance between the interior edge of second fixing chuck plate and the interior edge of vernier clamp was greater than 25 centimetres.
9. basketball specification pick-up unit as claimed in claim 1 is characterized in that, said elastomeric check device is included in the inside diameter that is provided with between first fixing chuck plate and second fixing chuck plate on the elastomeric check platform greater than 25 centimetres circular small opening; On vertical side of elastomeric check platform and transverse side, be respectively equipped with vertical equity appearance and lateral level.
10. basketball specification pick-up unit as claimed in claim 1 is characterized in that said Weight detecting device is the electronic scale that is arranged at elastomeric check platform one side, and said electronic scale is provided with annular pad and display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054668.5A CN102607366B (en) | 2012-03-05 | 2012-03-05 | Basketball specification detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054668.5A CN102607366B (en) | 2012-03-05 | 2012-03-05 | Basketball specification detecting device |
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| CN102607366A true CN102607366A (en) | 2012-07-25 |
| CN102607366B CN102607366B (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210054668.5A Expired - Fee Related CN102607366B (en) | 2012-03-05 | 2012-03-05 | Basketball specification detecting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486940A (en) * | 2013-10-10 | 2014-01-01 | 山东师范大学 | Tennis ball specification detecting device |
| CN104748798A (en) * | 2015-04-15 | 2015-07-01 | 山东师范大学 | Table tennis specification detecting instrument |
| CN106767253A (en) * | 2016-12-25 | 2017-05-31 | 重庆太乙机械有限公司 | Motor car pull bar automatic detection tool |
| CN108981543A (en) * | 2018-07-25 | 2018-12-11 | 吕先刚 | No. five football diameters of one kind accurately measure device |
| CN110788023A (en) * | 2019-10-31 | 2020-02-14 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Intelligent detection equipment for specification of spherical product |
| CN112090781A (en) * | 2020-08-13 | 2020-12-18 | 安徽省羽乐体育用品有限公司 | Elastic screening device for badminton head |
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| CN2055590U (en) * | 1989-04-12 | 1990-04-04 | 北京市革制品厂 | Auto-check device for games ball |
| JPH09257627A (en) * | 1996-03-22 | 1997-10-03 | M Ii C:Kk | Ball-inspecting apparatus |
| CN201132451Y (en) * | 2007-12-27 | 2008-10-15 | 高雪晴 | Novel measuring rule |
| CN202470957U (en) * | 2012-03-05 | 2012-10-03 | 山东师范大学 | Basketball standard detection device |
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| CN87202858U (en) * | 1987-03-09 | 1988-02-17 | 天津大学 | Spherometor for football, basketball and volleyball |
| CN2055590U (en) * | 1989-04-12 | 1990-04-04 | 北京市革制品厂 | Auto-check device for games ball |
| JPH09257627A (en) * | 1996-03-22 | 1997-10-03 | M Ii C:Kk | Ball-inspecting apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486940A (en) * | 2013-10-10 | 2014-01-01 | 山东师范大学 | Tennis ball specification detecting device |
| CN103486940B (en) * | 2013-10-10 | 2016-05-04 | 山东师范大学 | Tennis specification checkout gear |
| CN104748798A (en) * | 2015-04-15 | 2015-07-01 | 山东师范大学 | Table tennis specification detecting instrument |
| CN106767253A (en) * | 2016-12-25 | 2017-05-31 | 重庆太乙机械有限公司 | Motor car pull bar automatic detection tool |
| CN108981543A (en) * | 2018-07-25 | 2018-12-11 | 吕先刚 | No. five football diameters of one kind accurately measure device |
| CN110788023A (en) * | 2019-10-31 | 2020-02-14 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Intelligent detection equipment for specification of spherical product |
| CN110788023B (en) * | 2019-10-31 | 2021-12-17 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Intelligent detection equipment for specification of spherical product |
| CN112090781A (en) * | 2020-08-13 | 2020-12-18 | 安徽省羽乐体育用品有限公司 | Elastic screening device for badminton head |
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|---|---|
| CN102607366B (en) | 2014-01-08 |
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