CN102210584A - Suspension type human body barycentre testing platform - Google Patents
Suspension type human body barycentre testing platform Download PDFInfo
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- CN102210584A CN102210584A CN 201110150634 CN201110150634A CN102210584A CN 102210584 A CN102210584 A CN 102210584A CN 201110150634 CN201110150634 CN 201110150634 CN 201110150634 A CN201110150634 A CN 201110150634A CN 102210584 A CN102210584 A CN 102210584A
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Abstract
The invention aims to provide a suspension type human body barycentre testing platform which comprises an outer frame, an inner frame, a movable frame, pressure sensors, a suspension sensor, a suspension mechanism and a carriage. The inner frame is connected with the outer frame through the suspension mechanism. The movable frame is mounted on one side of the outer frame. The pressure sensors are mounted on the outer frame and the movable frame respectively. The suspension mechanism comprises a tension sensor, a bearing connecting block, an ear-shaped connecting seats and a shaft. Each suspension mechanism includes two tension sensors, two bearing connecting blocks and two shafts, wherein the first bearing connecting block is assembled with the first ear-shaped connecting seat by the first shaft, and the second bearing connecting block is assembled with the second ear-shaped connecting seat by the second shaft; and the first bearing connecting block and the second bearing connecting block both are connected with the tension sensors. The suspension type human body barycentre testing platform can be used for the fields, such as medical rehabilitation, sports, bioresearch and the like, and can be used for measuring static and dynamic barycentre positions.
Description
Technical field
What the present invention relates to is a kind of device of measuring center of gravity.
Background technology
The gravity center of human body is one of important parameter in the researches on exercise biomechanics, can fully reflect human figure structure and Mass Distribution feature.The measurement of position of human center can provide reference frame for fields such as medical rehabilitation and sports.
The power of body balance can be directly estimated in the static measurement of position of human center.Equilibrium function is a critical function of human body, the exercises in the daily life, and stand, activity such as walking all relies on effective equilibrium function and ensures.Equilibrium function lowly is that the old people particularly accompanies the chronic to fall and the main cause of a series of serious problems of causing thus.Therefore, body balance detects and can be used as dizzy, vestibule pathological changes, the auxiliary diagnosis of brain lesions and the quantitative target of rehabilitation effect evaluation, and the progress and the curative effect of disease had the monitoring effect.Simultaneously, along with the raising of progress of science and technology and living standards of the people, people are also more and more higher to the requirement of rehabilitation appliances in recent years.As the medical apparatus and instruments of auxiliary patients ' recovery, it is very important keeping the control of patient's gravity balance and center of gravity, therefore just needs to understand normal person's walking and actual movement locus.The measurement of position of human center for the demarcation of the movement locus of healing robot, counterweight of disabled person's artificial limb etc., all has potential application prospect.
Position of human center often plays decisive role in sports.The detection of position of human center can and design new element for athletic sentific training scientific basis is provided, and the games results that obtain for the athlete provide safeguard.Simultaneously, the gravity center of human body highly also is the important indicator of selection of sportsmen.Different sports items are different to the specific requirement of athletes ' body quality, for example in spectator sports such as rhythmic gymnastics, require the gravity center of human body, because gravity center of human body's height than higher, player motion will relatively be unfolded, thus the achievement that can obtain easily; And in strength type such as wrestling sports items, just require lower gravity center of human body, because center of gravity is low, athletic stability will be relatively good, thereby be not easy to be fallen down by the other side.So the measurement of position of human center also can be selected the outstanding talent for sports foundation is provided.
Summary of the invention
The object of the present invention is to provide simple in structure, cost is low, and a kind of suspension gravity center of human body test platform that can use in medical rehabilitation field and sports field.
The object of the present invention is achieved like this:
A kind of suspension gravity center of human body of the present invention test platform, it is characterized in that: comprise outside framework, inner frame, removable framework, pressure transducer, suspension gear, bracing frame, inner frame connects outside framework by suspension gear, removable framework is installed in a side of outside framework, difference setting pressure pick off on outside framework and the removable framework, described suspension gear comprises pulling force sensor, the bearing contiguous block, ear type Connection Block, axle, the pulling force sensor of each suspension gear, the bearing contiguous block, axle has two respectively, first with the clutch shaft bearing contiguous block, the first ear type Connection Block is assembled together, second with the second bearing contiguous block, the second ear type Connection Block is assembled together, and the clutch shaft bearing contiguous block all links to each other with pulling force sensor with the second bearing contiguous block.
The present invention can also comprise:
1, described pressure transducer has four, first pressure transducer and second pressure transducer are installed on the outside framework by pressure sensor pad, the 3rd pressure transducer and the 4th pressure transducer are installed on the removable framework by pressure sensor pad, the equal sensor installation block in the position that inner frame is relative with pressure transducer.
2, on the described suspension gear bracing frame is installed.
3, fixing brassboard on the described inner frame.
Advantage of the present invention is: the present invention can be used for fields such as medical rehabilitation, sports, biological study, can measure static and dynamic position of centre of gravity.
Description of drawings
Fig. 1 is a vertical view of the present invention;
Fig. 2 is a half sectional view of the present invention;
Fig. 3 is a phantom of the present invention;
Fig. 4 is the front view of suspension gear;
Fig. 5 is the profile of suspension gear;
Fig. 6 is the inner frame sketch map;
Fig. 7 is the outside framework sketch map;
Fig. 8 is mobile framework sketch map;
The specific embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1~9, the present invention includes outside framework 1, inner frame 2, pressure transducer 3, removable framework 4, brassboard 5, suspension gear 6, bracing frame 7, pulling force sensor 11, as Fig. 1, Fig. 4, Fig. 5, shown in Figure 9.The internal and external frame structure all is to be welded with square steel tube, has so just reduced the weight of testboard greatly and can satisfy requirement of strength.Inner frame 2 is welded by composition backing 13, interior vertical framework 14, inner cross-frame frame 15, pick off block 16, as shown in Figure 6.Outside framework 1 by welding cushion block 17, pressure transducer backing plate 18, vertical framework 19, baffle plate welding block 20, outer crossing frame 21 are welded outward, as shown in Figure 7.Four pressure transducers 3 of horizontal direction are installed in respectively on outside framework 1 and the removable framework 4, and two pressure transducers each side are installed, and as shown in Figure 1, so just can measure the amount of force of horizontal direction; Removable framework 4 is welded by outer vertical framework 19 and baffle plate contiguous block 22, as shown in Figure 8, can finely tune in the horizontal direction, guarantees certain pretightning force that is fixed with of inner frame 2 horizontal directions; Brassboard 5 is fixed on the inner frame 2, and all test experiments all carry out on brassboard; Inner frame 2 is connected with outside framework 1 by suspension gear 6, has selected self-aligning ball bearing 8 in the suspension gear 6 for use, and shown in Fig. 4,5, bearing is realized the location by sleeve and bearing mounting blocks, guarantees that play does not take place bearing; Axle 12 is assembled together bearing contiguous block 10 and ear type Connection Block 9, and uses bolting; Adopt between pulling force sensor 11 and two the bearing mounting blocks and be threaded; Two ear type Connection Blocks 9 are installed in respectively on inner frame 2 and the bracing frame 7, have guaranteed that inner frame 2 and top brassboard 5 are in suspended state, just can know the size of pulling force like this by 11 output voltage values of the pulling force sensor on the suspension gear 6.
As shown in Figure 7, the outside framework 1 of center of gravity test platform adopts three square steel tubes to be welded, and guarantees that three limits are in a horizontal plane; Be welded to connect piece 22 and be welded in the outside framework diverse location respectively, be used for being connected of outside framework 1 and bracing frame 7 and pressure transducer 3; Pressure transducer 3 is by being bolted on the pressure transducer backing plate 18, thereby realizes pressure transducer 3 fixing on outside framework 1; As shown in Figure 5, inner frame 2 is to be welded by four square steel tubes, also is welded with pick off block 16 on the inner frame 2, and its effect is the force side of pick off 3 of withstanding pressure, thereby records the amount of force of horizontal direction; Brassboard 5 is by on two arms that are bolted to inner frame 2; As shown in Figure 7, be welded with two baffle plate contiguous blocks 22 and two pressure transducer backing plates 18 on the removable framework 4, be connected with outside framework 1 by baffle plate contiguous block 22, and can regulate the horizontal level of removable framework 4, two pressure transducers 3 are fixed on the removable framework 4 by pressure transducer backing plate 18; Suspension gear 6 is used for being connected of outside framework 1 and inner frame 2, and 9, one of two ear type Connection Blocks are by being bolted on the bracing frame 7, and one by being bolted on the inner frame 2; Pulling force sensor 11 two ends realize being connected by screw thread and two bearing mounting blocks 10 respectively, and the bearing contiguous block is connected with ear type Connection Block 9 by spools 12.
During the test of using gravity-center test platform, the tester stands in test platform or moves on test platform, the sensor output signal of installing on the test platform can change, sensor signal process signal processing circuit is amplified, Filtering Processing, signal is again through A/D conversion then, is transformed into digital quantity and sends computer to and handle.According to power and principle of moment balance, calculate tester's barycentric coodinates position by the test value of each pick off, the pick off of horizontal direction can also be measured the horizontal applied force in its motor process, for researchs such as gait analysis provide reference frame.Simultaneously, the test specification of center of gravity test platform is very extensive, and center of gravity test platform brassboard is designed and sized to 170cm * 55cm (long * wide), can satisfy the center of gravity test request under the multiple attitude such as mark time, walking, crouching are crouched.
The present invention can be used for fields such as medical rehabilitation, sports, biological study, can measure static and dynamic position of centre of gravity.
Claims (5)
1. suspension gravity center of human body test platform, it is characterized in that: comprise outside framework, inner frame, removable framework, pressure transducer, suspension gear, bracing frame, inner frame connects outside framework by suspension gear, removable framework is installed in a side of outside framework, difference setting pressure pick off on outside framework and the removable framework, described suspension gear comprises pulling force sensor, the bearing contiguous block, ear type Connection Block, axle, the pulling force sensor of each suspension gear, the bearing contiguous block, axle has two respectively, first with the clutch shaft bearing contiguous block, the first ear type Connection Block is assembled together, second with the second bearing contiguous block, the second ear type Connection Block is assembled together, and the clutch shaft bearing contiguous block all links to each other with pulling force sensor with the second bearing contiguous block.
2. a kind of suspension gravity center of human body test platform according to claim 1, it is characterized in that: described pressure transducer has four, first pressure transducer and second pressure transducer are installed on the outside framework by pressure sensor pad, the 3rd pressure transducer and the 4th pressure transducer are installed on the removable framework by pressure sensor pad, the equal sensor installation block in the position that inner frame is relative with pressure transducer.
3. want device 1 or 2 described a kind of suspension gravity center of human body test platforms according to right, it is characterized in that: on the described suspension gear bracing frame is installed.
4. a kind of suspension gravity center of human body test platform according to claim 1 and 2 is characterized in that: fixing brassboard on the described inner frame.
5. a kind of suspension gravity center of human body test platform according to claim 3 is characterized in that: fixing brassboard on the described inner frame.
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CN201110150634A CN102210584B (en) | 2011-06-07 | 2011-06-07 | Suspension type human body barycentre testing platform |
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CN201110150634A CN102210584B (en) | 2011-06-07 | 2011-06-07 | Suspension type human body barycentre testing platform |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102551669A (en) * | 2011-12-20 | 2012-07-11 | 东南大学 | Measuring device and measuring method for human body gravity center positions in space station zero gravity environment |
CN105092153A (en) * | 2014-05-13 | 2015-11-25 | 天津航天瑞莱科技有限公司 | High-precision large-scale structural component centroid measurement system and method |
CN111637959A (en) * | 2020-06-11 | 2020-09-08 | 中汽研汽车检验中心(天津)有限公司 | Method for testing position and quality of mass center of each part of human body |
CN113017635A (en) * | 2019-12-09 | 2021-06-25 | 杭州聚陆医疗器械有限公司 | Manufacturing method of integrated multifunctional muscle strength evaluation device |
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JPH08215176A (en) * | 1995-02-17 | 1996-08-27 | Anima Kk | Gravity center oscillation meter |
JP2003339671A (en) * | 2002-05-24 | 2003-12-02 | Biospace Co Ltd | Weighing machine with function to measure posture balance in human body |
CN1830390A (en) * | 2006-03-22 | 2006-09-13 | 山东师范大学 | Human body centre-of gravity dynamic position measuring instrument and its measuring method |
WO2009093632A1 (en) * | 2008-01-23 | 2009-07-30 | Panasonic Electric Works Co., Ltd. | Device for evaluating balance of center of gravity |
CN101917902A (en) * | 2007-12-27 | 2010-12-15 | 国立大学法人筑波大学 | Detector for position of gravitational center and wearing-type motion assisting device equipped with detector for position of gravitational center |
CN102078195A (en) * | 2010-10-29 | 2011-06-01 | 大连理工大学 | Human body balance function tester |
CN202128465U (en) * | 2011-06-07 | 2012-02-01 | 哈尔滨工程大学 | Suspension-type human body gravity center measuring platform |
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2011
- 2011-06-07 CN CN201110150634A patent/CN102210584B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08215176A (en) * | 1995-02-17 | 1996-08-27 | Anima Kk | Gravity center oscillation meter |
JP2003339671A (en) * | 2002-05-24 | 2003-12-02 | Biospace Co Ltd | Weighing machine with function to measure posture balance in human body |
CN1830390A (en) * | 2006-03-22 | 2006-09-13 | 山东师范大学 | Human body centre-of gravity dynamic position measuring instrument and its measuring method |
CN101917902A (en) * | 2007-12-27 | 2010-12-15 | 国立大学法人筑波大学 | Detector for position of gravitational center and wearing-type motion assisting device equipped with detector for position of gravitational center |
WO2009093632A1 (en) * | 2008-01-23 | 2009-07-30 | Panasonic Electric Works Co., Ltd. | Device for evaluating balance of center of gravity |
CN102078195A (en) * | 2010-10-29 | 2011-06-01 | 大连理工大学 | Human body balance function tester |
CN202128465U (en) * | 2011-06-07 | 2012-02-01 | 哈尔滨工程大学 | Suspension-type human body gravity center measuring platform |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102551669A (en) * | 2011-12-20 | 2012-07-11 | 东南大学 | Measuring device and measuring method for human body gravity center positions in space station zero gravity environment |
CN102551669B (en) * | 2011-12-20 | 2013-08-28 | 东南大学 | Measuring device and measuring method for human body gravity center positions in space station zero gravity environment |
CN105092153A (en) * | 2014-05-13 | 2015-11-25 | 天津航天瑞莱科技有限公司 | High-precision large-scale structural component centroid measurement system and method |
CN113017635A (en) * | 2019-12-09 | 2021-06-25 | 杭州聚陆医疗器械有限公司 | Manufacturing method of integrated multifunctional muscle strength evaluation device |
CN113017636A (en) * | 2019-12-09 | 2021-06-25 | 杭州聚陆医疗器械有限公司 | Integrated multifunctional muscle strength evaluation device |
CN113017636B (en) * | 2019-12-09 | 2022-11-11 | 杭州聚陆医疗器械有限公司 | Integrated multifunctional muscle strength evaluation device |
CN113017635B (en) * | 2019-12-09 | 2022-11-11 | 杭州聚陆医疗器械有限公司 | Manufacturing method of integrated multifunctional muscle strength evaluation device |
CN111637959A (en) * | 2020-06-11 | 2020-09-08 | 中汽研汽车检验中心(天津)有限公司 | Method for testing position and quality of mass center of each part of human body |
CN111637959B (en) * | 2020-06-11 | 2021-12-03 | 中汽研汽车检验中心(天津)有限公司 | Method for testing position and quality of mass center of each part of human body |
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