CN103487321A - Ball holding device for measuring football field lawn ball rebound rate - Google Patents
Ball holding device for measuring football field lawn ball rebound rate Download PDFInfo
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- CN103487321A CN103487321A CN201310464938.4A CN201310464938A CN103487321A CN 103487321 A CN103487321 A CN 103487321A CN 201310464938 A CN201310464938 A CN 201310464938A CN 103487321 A CN103487321 A CN 103487321A
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- optical axis
- ball
- mount pad
- electromagnet
- football
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Abstract
The invention aims to provide a ball holding device for measuring a football field lawn ball rebound rate. The device can effectively meet the functional requirements of a rebound rate measuring machine on football holding, and has the characteristics of simple structure, light weight, reliable performance, and easy control. The ball holding device includes: a connecting seat, supporting optical shafts, a ball frame installation seat, a ball frame, an electromagnet installation seat, a sucking disc electromagnet, a rotation shaft, a lever, a counterweight and other instruments. By adjusting the installation positions of the connecting seat, the ball frame installation seat and the like on the supporting optical shafts, the drop position of a football can be controlled. Being able to meet the measurement requirements of a variety of circumstances, the ball holding device has a simple structure and reliable performance, and most components and parts are processed from aluminum profiles, thus the overall mass is light.
Description
Technical field
The present invention relates to Football Field Turf ball bounce-back rate measuring technique, concrete, relate to a kind of ball chuck of measuring Football Field Turf ball bounce-back rate and hold device.
Background technology
Ball bounce-back rate is to detect an important technology requirement of natural lawn, football pitch performance, national standard " request for utilization of natural material sports field and the method for inspection " (GB/T1995.1-2006) is stipulated, ball bounce-back rate refers to football Vertical Free the fall height that rebounds afterwards to the surface, place and the number percent that starts height of drop, acceptance value should be 15%～55%, and optimum value should be 20%～50%.
Granted publication CN2921821Y(application number 200620040181.1) Chinese patent literature discloses a kind of ground ball proving installation that vertically rebounds; comprise straight-bar, the supporting seat be connected with the bottom of straight-bar and be connected to the fixed mechanism for the fixing test ball on straight-bar, the said fixed mechanism for the fixing test ball comprises cross bar, outer montant, interior montant, fixed bar, reseting elastic element and dragrope; Outer montant is fixed on the outer end of cross bar, one end of interior montant is by the rotating the inner that is connected to cross bar of pin, fixed bar is fixed on the cross bar between interior montant and straight-bar, reseting elastic element is fixed between interior montant and fixed bar, and an end of said dragrope is connected with the other end of interior montant.
Granted publication CN 200952988Y(application number 200620120036.4) Chinese patent literature discloses a kind of lawn rebound resilience instrument, it comprises support and service platform, described service platform is arranged on the top of described support, described support is provided with the service thimble that can move up, described service platform is provided with base plate, described base plate comprises the trap that can start to fore-telling, described trap be positioned at described service thimble above, connection between each several part all can adopt takes out the mode of connecing or other dismountable syndetons, described support bar can be formed by 3 sections grafting, the base of described support bar also can adopt connected structure.
Said apparatus exists measuring accuracy low, the defects such as operation inconvenience.Until at present, the simple eye estimate mode of the many employings of the domestic measurement to ball bounce-back rate, measuring accuracy is low, yet there are no the report of relevant device for accurately measuring.
Summary of the invention
The object of the present invention is to provide a kind of ball chuck of measuring Football Field Turf ball bounce-back rate to hold device, this device can effectively meet the functional requirement of bounce-back rate measuring machine to football clamping, and simple in structure, quality light, dependable performance, be convenient to control.
The technical solution used in the present invention is: a kind of ball chuck of measuring Football Field Turf ball bounce-back rate is held device, it comprises: Connection Block, be L-type, and by the standard aluminum corner brace, processed, the two ends, side are provided with the optical axis hole, and bottom is bolted on the top of measuring machine lifting device; Support optical axis, 2, pass respectively the optical axis hole at two ends, described mount pad side, and be fixed on the side of described mount pad by the optical axis bearing; Ball frame mount pad, be L-type, by the standard aluminum corner brace, processed, and the two ends, side are provided with the optical axis hole, by the optical axis bearing, is fixed on described support optical axis, with the two ends of the described support optical axis in described Connection Block office; The ball frame, an end is bolted on the bottom of described ball frame mount pad, and its middle part is provided with the circular hole that a diameter is slightly larger than the football diameter, and football can be fallen smoothly, does not have again large rocking; The electromagnet mount pad, be L-type, by the standard aluminum corner brace, processed, and the two ends, side are provided with the optical axis hole, is fixed on the middle part of described support optical axis by the optical axis bearing; The sucker electromagnet, be arranged on the bottom of described electromagnet mount pad by screw, it provides ball chuck to hold required power; Rotating shaft, be arranged on the side of described ball frame mount pad by two vertical optical axis bearings; Lever, be " second " font, and middle part is sleeved in described rotating shaft, with described rotating shaft, forms revolute pair; Balancing weight, top is bolted on an end of described lever, bottom is slightly larger in diameter in the column type of described sucker electromagnet diameter, when the energising of described sucker electromagnet and its tightly be attached together.Described lever is partial to described ball frame one side with the center of gravity of combining of described balancing weight, and after making described sucker electromagnet dead electricity, football can be from the free-falling of described ball frame, and does not produce deflection.
Further, described Connection Block, described ball frame mount pad and the installation site of described electromagnet mount pad on described support optical axis are all adjustable, can require to adjust easily according to measuring.
The present invention has the following advantages:
1, by adjusting Connection Block, ball frame mount pad etc. in the installation site of supporting on optical axis, the position, whereabouts of football can be controlled, the measurement requirement in multiple situation can be met.
2, simple in structure, dependable performance, and multiple component adopts aluminium section bar to process greatly, and total quality is light.
The accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is that ball chuck of the present invention is held view.
Fig. 3 is ball let-down view of the present invention.
Description of reference numerals: 1-Connection Block; 2-supports optical axis; 3-optical axis bearing; 4-ball frame mount pad; 5-ball frame; 6-electromagnet mount pad; 7-sucker electromagnet; The 8-rotating shaft; The vertical optical axis bearing of 9-; The 10-lever; The 11-balancing weight.
Embodiment
Below by drawings and Examples, the present invention is described in further detail.
Embodiment: a kind of ball chuck of measuring Football Field Turf ball bounce-back rate is held device, and structure as Figure 1-3, comprising: Connection Block 1, be L-type, by the standard aluminum corner brace, processed, the two ends, side are provided with the optical axis hole, and bottom is bolted on the top of measuring machine lifting device; Support 2,2, optical axis, pass respectively the optical axis hole at mount pad 1 two ends, side, and be fixed on the side of mount pad 1 by optical axis bearing 3; Ball frame mount pad 4, be L-type, by the standard aluminum corner brace, processed, and the two ends, side are provided with the optical axis hole, is fixed on and supports on optical axis 2 by optical axis bearing 3, with the two ends of Connection Block 1 office support optical axis 2; Ball frame 5, one ends are bolted on the bottom of ball frame mount pad 4, and its middle part is provided with the circular hole that a diameter is slightly larger than the football diameter, and football can be fallen smoothly, does not have again large rocking; Electromagnet mount pad 6, be L-type, by the standard aluminum corner brace, processed, and the two ends, side are provided with the optical axis hole, is fixed on the middle part of supporting optical axis 2 by optical axis bearing 3; Sucker electromagnet 7, be arranged on the bottom of electromagnet mount pad 6 by screw, it provides ball chuck to hold required power; Rotating shaft 8, be arranged on the side of ball frame mount pad 4 by two vertical optical axis bearings 9; Lever 10, be " second " font, and middle part is sleeved in rotating shaft 8, with rotating shaft 8, forms revolute pair; Balancing weight 11, top is bolted on an end of lever 10, bottom is slightly larger in diameter in the column type of sucker electromagnet 7 diameters, when sucker electromagnet 7 energising and its tightly be attached together.Lever 10 and balancing weight 11 combine center of gravity deflection ball frame 5 one sides, after making sucker electromagnet 7 dead electricity, football can be from 5 free-fallings of ball frame, and do not produce deflection.
Further, Connection Block 1, ball frame mount pad 4 and electromagnet mount pad 6 are all adjustable in the installation site of supporting on optical axis 2, can require to adjust easily according to measuring.
Concrete steps when the present invention uses are:
1, sucker electromagnet 7 energisings, tightly be adsorbed on sucker electromagnet 7 balancing weight 11, and drive lever 10 rotations, makes it be fixed on horizontal level.
2, football is put into to ball frame 5, the football bottom is blocked and can't be fallen by lever 10, in clamp position.
3, lifting device promotes this invention and moves to specified altitude assignment.
4, sucker electromagnet 7 outages, make lever 10 in free state, football free-falling under Action of Gravity Field.
5, after measurement mechanism completes measurement, lifting device drives this invention and gets back to initial position, waits for lower task.
Claims (5)
1. a ball chuck of measuring Football Field Turf ball bounce-back rate is held device, it is characterized in that,
Comprise:
Connection Block, be L-type, and the two ends, side are provided with the optical axis hole, and bottom is bolted on the top of measuring machine lifting device;
Support optical axis, 2, pass respectively the optical axis hole at two ends, described mount pad side, and be fixed on the side of described mount pad by the optical axis bearing;
Ball frame mount pad, be L-type, and the two ends, side are provided with the optical axis hole, by the optical axis bearing, is fixed on described support optical axis, with the two ends of the described support optical axis in described Connection Block office;
The ball frame, an end is bolted on the bottom of described ball frame mount pad, and its middle part is provided with the circular hole that a diameter is slightly larger than the football diameter;
The electromagnet mount pad, be L-type, and the two ends, side are provided with the optical axis hole, is fixed on the middle part of described support optical axis by the optical axis bearing;
The sucker electromagnet, be arranged on the bottom of described electromagnet mount pad by screw;
Rotating shaft, be arranged on the side of described ball frame mount pad by two vertical optical axis bearings;
Lever, be " second " font, and middle part is sleeved in described rotating shaft, with described rotating shaft, forms revolute pair;
Balancing weight, bottom is slightly larger in diameter in the column type of described sucker electromagnet diameter, and top is bolted on an end of described lever.
2. ball chuck according to claim 1 is held device, it is characterized in that, described Connection Block, ball frame mount pad and to state the installation site of electromagnet mount pad on described support optical axis all adjustable.
3. ball chuck according to claim 1 is held device, it is characterized in that, described Connection Block is processed by the standard aluminum corner brace.
4. ball chuck according to claim 1 is held device, it is characterized in that, described ball frame mount pad is processed by the standard aluminum corner brace.
5. ball chuck according to claim 1 is held device, it is characterized in that, described electromagnet mount pad is processed by the standard aluminum corner brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464938.4A CN103487321B (en) | 2013-10-09 | 2013-10-09 | A kind of ball clamping device measuring Football Field Turf ball rebound rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464938.4A CN103487321B (en) | 2013-10-09 | 2013-10-09 | A kind of ball clamping device measuring Football Field Turf ball rebound rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103487321A true CN103487321A (en) | 2014-01-01 |
| CN103487321B CN103487321B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310464938.4A Expired - Fee Related CN103487321B (en) | 2013-10-09 | 2013-10-09 | A kind of ball clamping device measuring Football Field Turf ball rebound rate |
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| CN (1) | CN103487321B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3496765A (en) * | 1967-03-24 | 1970-02-24 | Richard K Rathmell | Ball testing device |
| CN2921821Y (en) * | 2006-03-14 | 2007-07-11 | 华东理工大学 | Ground ball rebound tester |
| CN200952988Y (en) * | 2006-06-14 | 2007-09-26 | 全国畜牧总站 | Lawn resilience meter |
| CN101059419A (en) * | 2007-06-06 | 2007-10-24 | 宋立山 | Ball rebound height measurer |
| CN202153201U (en) * | 2011-07-15 | 2012-02-29 | 芜湖宏明塑料制品有限公司 | Falling ball test frame for plastic parts |
| CN102706797A (en) * | 2012-06-08 | 2012-10-03 | 聊城大学 | Mechanical system of device for measuring rebound rate of football on football playground |
| CN202710446U (en) * | 2012-06-08 | 2013-01-30 | 聊城大学 | Clamping device for football rebound rate measuring device of football field |
| CN103267696A (en) * | 2013-05-16 | 2013-08-28 | 国家体育总局体育科学研究所 | Rebound property detector of movement surface course |
| CN203479621U (en) * | 2013-10-09 | 2014-03-12 | 聊城大学 | Ball clamping device of ball bounce rate measuring machine of lawn of football field |
-
2013
- 2013-10-09 CN CN201310464938.4A patent/CN103487321B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3496765A (en) * | 1967-03-24 | 1970-02-24 | Richard K Rathmell | Ball testing device |
| CN2921821Y (en) * | 2006-03-14 | 2007-07-11 | 华东理工大学 | Ground ball rebound tester |
| CN200952988Y (en) * | 2006-06-14 | 2007-09-26 | 全国畜牧总站 | Lawn resilience meter |
| CN101059419A (en) * | 2007-06-06 | 2007-10-24 | 宋立山 | Ball rebound height measurer |
| CN202153201U (en) * | 2011-07-15 | 2012-02-29 | 芜湖宏明塑料制品有限公司 | Falling ball test frame for plastic parts |
| CN102706797A (en) * | 2012-06-08 | 2012-10-03 | 聊城大学 | Mechanical system of device for measuring rebound rate of football on football playground |
| CN202710446U (en) * | 2012-06-08 | 2013-01-30 | 聊城大学 | Clamping device for football rebound rate measuring device of football field |
| CN103267696A (en) * | 2013-05-16 | 2013-08-28 | 国家体育总局体育科学研究所 | Rebound property detector of movement surface course |
| CN203479621U (en) * | 2013-10-09 | 2014-03-12 | 聊城大学 | Ball clamping device of ball bounce rate measuring machine of lawn of football field |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局: "《中华人民共和国国家标准 GB/T 19995.1-2005》", 17 November 2005 * |
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| CN103487321B (en) | 2015-08-12 |
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Granted publication date: 20150812 Termination date: 20181009 |