| 对射箭反曲弓的生物力学测试研究 |
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| 引用本文： | 杨成,张晓林,张明洪.对射箭反曲弓的生物力学测试研究[J].成都体育学院学报,2016(4):87-92. |
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| 作者姓名： | 杨成 张晓林 张明洪 |
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| 作者单位： | 西南石油大学，四川 成都610500; 成都理工大学，四川 成都610059 |
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| 基金项目： | 西南石油大学人文专项基金资助“杰出人才”项目(2015RW044) |
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| 摘 要： | 构建反曲弓响应在线检测系统,对弓(含弦)系统所受的载荷相关参数进行静态与动态检测,为提高射箭运动训练水平提供数据参考。方法：采用碳素工字钢自制试验台架,台架的长度取发射器和弓拉满弦的长度之和,对国家射箭队运动员使用的反曲弓进行静态与动态特性测试,对2名射箭运动员的实射进行测试。结论：静态测试中,弓片上测点的静态应变响应与通过弦线对弓片所施加的载荷之间的关系以及拉力与拉距的关系均为线性关系；动态测试中,弓片未安装弓弦时的应变响应频率为46.88Hz,安装弓弦后的响应频率全部为13.67Hz；并且安装减振器后的弓片响应波形更平滑。从弓箭系统单杆减振器安装效果评价上来看,安装在弓柄上部比装在弓柄下部的减振效果更好,而组合减振器比单杆减振器效果更好；细箭比粗箭更适合反曲弓系统；螺钉紧固程度越紧,弓系统的整体性越好,但其松紧程度对该型号反曲弓系统的固有频率没有影响。2名射箭运动员用同一弓箭时的动态响应不同,训练射箭运动员技术动作的目的是尽量使运动员把能量集中在弓系统箭飞行的方向上。
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| 关 键 词： | 射箭 反曲弓 运动生物力学 静态 动态 |
Biomechanical test of archery recurve bow |
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| YANG Cheng,ZHANG Xiaolin,ZHANG Minghong.Biomechanical test of archery recurve bow[J].Journal of Chengdu Physical Education Institute,2016(4):87-92. |
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| Authors: | YANG Cheng ZHANG Xiaolin ZHANG Minghong |
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| Abstract: | To establish a recurve bow response online measurement system and to conduct both the static and dynamic measurement of load-related parameters of the bow system ( including bowstring) so as to provide reference data for upgrading archery training level. Methods: A self-made carbon steel testing bench having the total length of the emitter and the bow at full draw, was used for both the static and dynamic test of the recurve bow used by the national archery team players and for the test of two archers’ arrow shooting. Conclusion: In the static test, both the relationship between the static strain response of the measuring point on the bow blades and the load transmitted onto the bow blades via the string, and the relationship between the pulling force and the pulled distance were linear; In the dynamic test, the strain response frequency of the bow limb without bow-string was 46. 88Hz. When the bow blades were installed with the bowstring, all the strain response frequencies were 13. 67Hz. When the shock absorber was installed, the bow limb had smoother response waves. In terms of effect, the single shock absorber had a better damping effect when installed on the upper part of the bow grip than when installed on the lower part. The combined shock absorber had a better effect than the single shock absorber;As compared with thick arrows, thin arrows are more suitable for the recurve bow system. The tighter the screws were fastened, the better overall performance the bow system had. However, the screws’ tightness had no effect on the intrinsic frequency of the recurve bow system of the type. The two archers had different dy-namic responses when they used the same bow and arrows. Therefore, the purpose of archer training is to make his energy focused on the arrow’ s flying direction. |
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| Keywords: | Archery Recurve Bow System Biomechanics Static State Dynamic State |
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