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CN206876327U - A kind of platform device for force measurement of left and right artificial limb motion - Google Patents

A kind of platform device for force measurement of left and right artificial limb motion Download PDF

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Publication number
CN206876327U
CN206876327U CN201720701479.0U CN201720701479U CN206876327U CN 206876327 U CN206876327 U CN 206876327U CN 201720701479 U CN201720701479 U CN 201720701479U CN 206876327 U CN206876327 U CN 206876327U
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CN
China
Prior art keywords
fixed
bearing
roller
strip main
artificial limb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720701479.0U
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Chinese (zh)
Inventor
李鹏祥
宋燕美
夏费
夏费一
杨加静
毕厚海
董自强
许海飞
赵改平
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Publication date
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Priority to CN201720701479.0U priority Critical patent/CN206876327U/en
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Publication of CN206876327U publication Critical patent/CN206876327U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of platform device for force measurement of left and right artificial limb motion includes:Two L-type strip main frames, be arranged in parallel;Bearing, below strip main frame;Four axially hollow rollers, it is arranged on the both ends of two strip main frames;Two drum shafts, two rollers are axially penetrated through, be rotatablely connected with roller;Eight bearings, are arranged on roller both ends;Four outer bearing bearings, drum shaft is fixed on strip main frame;Four groups of inner bearing bearing accessories and inner bearing support, the inner of roller is fixed on bearing;Two belts, the surface for being coated on two rollers form transmission belt;Two lateral frames, strip main frame front and back end is fixed on through transmission belt;Eight weighing sensors, one group is correspondingly arranged with four rollers two-by-two;Two pieces of slide plates, are arranged between belt and weighing sensor, are supported and fixed by weighing sensor;More circular shafts, are arranged on slide plate, with belt contacts;More outer shafts, are coated on circular shaft both ends;Four dynamometers, are fixed on main frame, are contacted with roller point.

Description

A kind of platform device for force measurement of left and right artificial limb motion
Technical field
It the utility model is related to a kind of platform device for force measurement of left and right artificial limb motion, specifically a kind of measurement artificial limb mould The platform device for force measurement of frictional force and ground support reaction during plan normal gait over the ground.
Background technology
Triaxial residual stresses are applied to more both at home and abroad at present:1. gait analysis, force plate/platform can be applied to biomethanics survey Examination, the asymmetry of trickleer change and power during gait can be recorded and run.2. equilibrium analysis, equilibrium analysis needs Force plate/platform is wanted accurately to record the minor variations of centre of body weight, Center of Pressure and ground reaction force.3. sports Analysis, in Biomechanics test, force plate/platform can make sportsman improve running order, and professional athlete reaches their life The limit is managed, the action of amateur optimizes, and can avoid the impact unfavorable to body.
The domestic research on dynamic force measurement platform is less, there is not yet specific product, and study one-dimensional force plate/platform more, Only measure when human normal is walked to the support reaction on ground.Existing research is carried out on the basis of both feet while standing Research, few device for measuring force on measurement monopodia ground support reaction.
Utility model content
The utility model is, and asking without monopodia dynamometry single in order to solve above-mentioned force plate/platform institute mechanical meaurement species Topic is, and it is an object of the present invention to provide a kind of platform device for force measurement of left and right artificial limb motion.
The platform device for force measurement of artificial limb motion in left and right provided by the utility model, including two strip main frames, section are in " L " Type, it is arranged in parallel;Bearing, it is arranged on below two strip main frames;Four rollers, between two bar shaped main frames, and The rear and front end of two strip main frames is separately positioned on, each roller has the hollow of axial direction;Two drum shafts, axially pass through respectively The hollow space of two rollers is worn, is correspondingly rotated and is connected with roller;Eight bearings, four roller both ends are separately positioned on, used It is fixed in by roller on drum shaft;Four outer bearing bearings, for being fixed on strip main frame with the both ends of drum shaft by two; Four inner bearing bearing accessories, it is separately fixed on the inner bearing of roller;Four inner bearing supports, respectively with inner bearing bearing Accessory connects, and is fixed on bearing;Two belts, it is respectively coated by and forms transmission in the outer surface of two rollers of correspondence Band, for driving two corresponding rollers to rotate;Two lateral frames, pass through transmission belt along the direction vertical with strip main frame respectively It is fixed on strip main frame rear and front end;Eight weighing sensors, on fixed lateral frame, two-by-two one group respectively with four rollers pair It should set, for measuring the support reaction of lower artificial limb normal gait over the ground;Two pieces of slide plates, it is parallel with belt respectively to be arranged on belt Between weighing sensor, and supported and fixed by weighing sensor;More circular shafts, are arranged on slide plate, with belt contacts, are used for Reduce the frictional force between belt and slide plate;More outer shafts, it is equal with circular shaft quantity, circular shaft both ends are coated on, for increasing circular shaft Intensity;Four dynamometers, are fixed on main frame, are contacted respectively with four roller points, and angle during for gathering Walk Simulation accelerates Degree.
The platform device for force measurement of artificial limb motion in left and right provided by the utility model, can also have the feature that, wherein, Dynamometer bottom is provided with dynamometer data wire, is connected with computer, for by data transfer to computer.
The platform device for force measurement of artificial limb motion in left and right provided by the utility model, can also have the feature that, wherein, Gravity sensor is provided with gravimetric data line, is connected with computer, for by data transfer to computer.
The effect of utility model and effect
The platform device for force measurement of left and right artificial limb motion according to involved by the utility model because simultaneously using dynamometer and Weighing sensor, therefore when left and right artificial limb is placed in Walk Simulation on the device, artificial limb can be obtained when simulating normal gait Ground support reaction and frictional force over the ground, so as to provide a relatively objective data evaluation to artificial limb.The device is also set up There are two row's rollers, collect data respectively, so as to obtain ground support reaction of the wall scroll artificial limb when simulating normal gait and right The frictional force on ground.Other dynamometer and gravity sensor are connected with computer, directly can be exported measurement data, realize inspection in real time Survey.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the platform device for force measurement of artificial limb motion in left and right of the present utility model;
Fig. 2 is the complete section structural representation of the platform device for force measurement of artificial limb motion in left and right of the present utility model;
Fig. 3 is the structural representation of new middle dynamometer of the present utility model;
Fig. 4 is the structural representation of drum in the utility model;
Fig. 5 is the structural representation of the utility model middle slide plate;
Fig. 6 is the structural representation of main frame in the utility model;
Fig. 7 is the structural representation of weighing sensor in the utility model;And
Fig. 8 is the structural representation of the utility model China and foreign countries bearing spider.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with The composition of the platform device for force measurement that lower embodiment combination accompanying drawing moves to left and right artificial limb provided by the utility model, operation principle with And beneficial effect is specifically addressed.
Fig. 1 is the overall structure diagram of the platform device for force measurement of artificial limb motion in left and right of the present utility model.
Fig. 2 is the complete section structural representation of the platform device for force measurement of artificial limb motion in left and right of the present utility model.
As shown in Figure 1-2, the platform device for force measurement of the left and right artificial limb motion in the present embodiment include two strip main frames 1, In four 9, eight, drum axle, 10, four, bearing inner bearing bearing accessories 11, four of outer bearing bearing 13, four of drum 4, two 3, two pieces of the weighing sensor of lateral frame 12, eight of belt 6, two of the support of bearing 2, two slide plate 8, more circular shafts 7, more outer shafts 14th, four dynamometers 5.
Fig. 6 is the structural representation of main frame in the utility model.
As shown in figs. 1 and 6, two strip main frames 1, section is L-shaped, arranged in parallel.
Bearing, it is arranged on below two strip main frames.
Fig. 4 is the structural representation of drum in the utility model.
As shown in figs. 1 and 4, four rollers 4, between two bar shaped main frames 1, and two strip main frames are separately positioned on 1 rear and front end, each roller 4 have the hollow of axial direction.
Two drum shafts 9, the hollow space of two rollers 4 is axially penetrated through respectively, is correspondingly rotated and is connected with roller 4.
Eight bearings 10, four both ends of roller 4 are separately positioned on, for roller 4 to be fixed on into drum shaft 9.
Fig. 8 is the structural representation of the utility model China and foreign countries bearing spider.
As shown in Figures 2 and 8, four outer bearing bearings 13, for being fixed on strip main frame 1 with the both ends of drum shaft 9 by two On.
Four inner bearing bearing accessories 11, it is separately fixed on the inner bearing 10 of roller 4
Four inner bearing supports 2, it is connected, is fixed on bearing with inner bearing bearing accessory 11 respectively.
Two belts 6, it is respectively coated by and forms transmission belt in the outer surface of two rollers 4 of correspondence, for drives two Individual corresponding roller 4 rotates.
Two lateral frames 12, it is fixed on respectively along the direction vertical with strip main frame 1 through transmission belt before and after strip main frame 1 Both ends.
Fig. 7 is the structural representation of weighing sensor in the utility model.
As shown in figs. 2 and 7, eight weighing sensors 3, on fixed lateral frame 12, two-by-two one group respectively with four rollers 4 It is correspondingly arranged, for measuring the support reaction of lower artificial limb normal gait over the ground;
Gravity sensor 3 is provided with gravimetric data line, is connected with computer, for by data transfer to computer.
Fig. 5 is the structural representation of the utility model middle slide plate.
As shown in figures 2 and 5, two pieces of slide plates 8, it is parallel with belt 6 respectively to be arranged between belt 6 and weighing sensor 3, And fixation is supported by weighing sensor 3.
More circular shafts 7, are arranged on slide plate 8, are contacted with belt 6, for reducing the frictional force between belt 6 and slide plate 8.
More outer shafts 14, it is equal with the quantity of circular shaft 7, the both ends of circular shaft 7 are coated on, for increasing the intensity of circular shaft 7.
Fig. 3 is the structural representation of new middle dynamometer of the present utility model.
As shown in figs. 1 and 3, four dynamometers 5, it is fixed on main frame 1, is contacted respectively with four 4 points of rollers, for gathering Angular acceleration during Walk Simulation;
The bottom of dynamometer 5 is provided with dynamometer data wire, is connected with computer, for by data transfer to computer.
The operation logic of the platform device for force measurement of wheel left and right artificial limb motion in the present embodiment described further below and use Method.
During simulation, artificial limb moves on belt 6, and belt 6 will drive the circular shaft 7 on slide plate 8 to rotate, under slide plate 8 Eight weighing sensors 3 measure Gravity changer during artificial limb simulation normal gait.When belt 6 drives the rotation of drum 4 simultaneously, drum 4 drive the rotation of the top rubber pullover of dynamometer 5 again, and the bottom of dynamometer 5 is connected with data wire, the data of encoder are transferred into electricity Brain, the parameters such as angular acceleration are shown, so as to calculate horizontal friction force by computer.
Because the bottom of gravity sensor and dynamometer has data wire to be connected with computer, therefore simulation can be detected in real time Frictional force and ground support reaction during motion over the ground.
The effect of embodiment and effect
The platform device for force measurement of left and right artificial limb motion according to involved by the utility model because simultaneously using dynamometer and Weighing sensor, therefore when left and right artificial limb is placed in Walk Simulation on the device, artificial limb can be obtained when simulating normal gait Ground support reaction and frictional force over the ground, so as to provide a relatively objective data evaluation to artificial limb.Additionally, due to the dress Install and be equipped with two row's rollers, collect data respectively, it is anti-so as to obtain ground branch of the wall scroll artificial limb when simulating normal gait Power and frictional force over the ground.And because dynamometer and gravity sensor are connected with computer, directly can export measurement data, Therefore real-time detection can be realized.
Further due to dynamometer fix contacted again on main frame with drum wall point, avoid junction produce torque and Cause statically indeterminate mechanical structure.Circular shaft is added between belt and slide plate, the friction being effectively reduced between belt and slide plate Power.Meanwhile the data difference based on prosthesis gait and normal gait, its deficiency in actual applications can be analyzed, so it is right The improvement of artificial limb provides direction, makes prosthesis more reasonable.
Above-mentioned embodiment is preferred case of the present utility model, is not intended to limit the scope of protection of the utility model.

Claims (3)

  1. A kind of 1. platform device for force measurement of left and right artificial limb motion, it is characterised in that including:
    Two strip main frames, section is L-shaped, arranged in parallel;
    Bearing, it is arranged on below two strip main frames;
    Four rollers, between two strip main frames, and the rear and front end of two strip main frames is separately positioned on, Each roller has the hollow of axial direction;
    Two drum shafts, the hollow space of two rollers is axially penetrated through respectively, is correspondingly rotated and is connected with the roller;
    Eight bearings, four roller both ends are separately positioned on, for the roller to be fixed on into the drum shaft;
    Four outer bearing bearings, the both ends of two drum shafts are fixed on the strip main frame;
    Four inner bearing bearing accessories, are separately fixed on the inner bearing of the roller;
    Four inner bearing supports, it is connected, is fixed on the bearing with the inner bearing bearing accessory respectively;
    Two belts, it is respectively coated by and forms transmission belt in the outer surface of two rollers of correspondence, for drives two The corresponding roller rotates;
    Two lateral frames, it is fixed on the strip main frame through the transmission belt along the direction vertical with the strip main frame respectively Rear and front end;
    Eight weighing sensors, on the fixed lateral frame, one group is correspondingly arranged with four rollers respectively two-by-two, is used for The support reaction of the lower artificial limb normal gait of measurement over the ground;
    Two pieces of slide plates, it is parallel with the belt respectively to be arranged between the belt and the weighing sensor, and by described Weighing sensor support is fixed;
    More circular shafts, are arranged on the slide plate, and belt contacts, for reducing the friction between the belt and slide plate Power;
    More outer shafts, it is equal with the circular shaft quantity, the circular shaft both ends are coated on, for increasing the circular shaft intensity;
    Four dynamometers, are fixed on the main frame, are contacted respectively with four roller points, during for gathering Walk Simulation Angular acceleration.
  2. A kind of 2. platform device for force measurement of left and right artificial limb motion according to claim 1, it is characterised in that:
    Wherein, the dynamometer bottom is provided with dynamometer data wire, is connected with computer, for by data transfer to computer.
  3. A kind of 3. platform device for force measurement of left and right artificial limb motion according to claim 1, it is characterised in that:
    Wherein, the weighing sensor is provided with gravimetric data line, is connected with computer, for by data transfer to computer.
CN201720701479.0U 2017-06-16 2017-06-16 A kind of platform device for force measurement of left and right artificial limb motion Expired - Fee Related CN206876327U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720701479.0U CN206876327U (en) 2017-06-16 2017-06-16 A kind of platform device for force measurement of left and right artificial limb motion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720701479.0U CN206876327U (en) 2017-06-16 2017-06-16 A kind of platform device for force measurement of left and right artificial limb motion

Publications (1)

Publication Number Publication Date
CN206876327U true CN206876327U (en) 2018-01-12

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ID=61332882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720701479.0U Expired - Fee Related CN206876327U (en) 2017-06-16 2017-06-16 A kind of platform device for force measurement of left and right artificial limb motion

Country Status (1)

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CN (1) CN206876327U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112896905A (en) * 2021-03-11 2021-06-04 机械工业第九设计研究院有限公司 Automatic three-dimensional storage device for large and medium-sized stamping dies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112896905A (en) * 2021-03-11 2021-06-04 机械工业第九设计研究院有限公司 Automatic three-dimensional storage device for large and medium-sized stamping dies

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180112

Termination date: 20180616