CN103691121B - The training of laser type discus force at the core and movable information feedback supervising device - Google Patents
The training of laser type discus force at the core and movable information feedback supervising device Download PDFInfo
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Abstract
The training of laser type discus force at the core and movable information feedback supervising device, it relates to the training of a kind of discus force at the core and movable information feedback supervising device, to solve the problem of carrying out laser type force at the core training tool and movable information feedback monitoring means under existing discus special project shortage is combined in labile state, it comprises discus power apparatus and the balance training with information feedback function; Described discus power apparatus comprises circular orbit, sliding extension bar, gliding mass, toggle, pressure sensor, two laser velocimeters, multiple lifter and the multiple elastic mounts consistent with lifter quantity; The arranged beneath of circular orbit has the balance training with information feed back, and described balance training comprises pedal, balance base, control circuit and three distance measuring sensors.The present invention is used for the training of discus force at the core and the monitoring of movable information feedback of laser velocimeter.
Description
Technical field
The present invention relates to the training of a kind of discus force at the core and movable information feedback supervising device, belong to sports technology field.
Background technology
From anatomical angle, the core of human body is backbone, hip joint and pelvis, they are in the binding site of upper and lower extremities, there is the pivotal role formed a connecting link, force at the core comprises core stability strength and core drive strength, core stability strength refer to core position fixation muscles or some be not only fixation muscles but also be the strength ability making body-defence displacement or rotation that the intramuscular of former dynamic flesh produces when shrinking.Core drive strength refers to that Skeletal Muscle Contraction makes health produce the strength of displacement or rotation, and force at the core is not only the major impetus that human body core stability is formed, and can also initiatively have an effect in flowing.Force at the core training is often carry out under stable condition, can make more small muscle group particularly periarticular auxiliary flesh take exercises, improve the ability that sportsman stablizes joint at the volley and controls center of gravity, the posture of core muscles training is determined by the action completing match, the strengthening exercise means close to special action are selected in modern high-level discus throw special strength training, incorporate up-to-date training idea, utilize Athletes information to player motion technical process monitor can in conjunction with discus special project carry out under labile state the training of laser type force at the core and movable information feedback supervising device home and abroad also do not occur.
Summary of the invention
The present invention is according to principles such as sport biomechanics, electronics, mechanics, for solving the problem of carrying out laser type force at the core training tool and movable information feedback monitoring means under existing discus special project shortage is combined in labile state, and then a kind of laser type discus force at the core is provided to train and movable information feedback supervising device.
The present invention is the technical scheme taked that solves the problem:
Laser type discus force at the core training of the present invention and movable information feedback supervising device comprise discus power apparatus and the balance training with information feedback function; Described discus power apparatus comprises circular orbit, sliding extension bar, gliding mass, toggle, pressure sensor, two laser velocimeters, multiple lifter and the multiple elastic mounts consistent with lifter quantity;
Each described elastic mounts comprises upper flat plate, lower flat board and between upper flat plate and lower flat board and the spring affixed with the two, circular orbit is in tilted layout, the below of circular orbit is provided with multiple lifters of arranging ringwise, the top of each lifter is connected with the lower surface of circular orbit, and the lower end of each lifter connects with the upper flat plate of corresponding elastic mounts;
One of them lifter is disposed adjacent with toggle, described toggle comprises crank, connecting rod and the first motor, the output of the first motor is connected with one end of crank, the other end of crank and one end of connecting rod hinged, the other end of connecting rod and the lower end of one of them lifter described hinged;
Gliding mass is set in circular orbit and the two is slidably connected, gliding mass is equipped with sliding extension bar, the end be positioned at outside circular orbit of sliding extension bar is provided with limited block, length direction along sliding extension bar in the bar section being positioned at inside circular orbit of sliding extension bar is processed with multiple through hole, discus is arranged on the upper surface of sliding extension bar, and discus is by being arranged on bolt in through hole and sliding extension bar removably connects, pressure sensor is arranged on the upper surface of discus, the below of circular orbit is provided with two laser velocimeters in a distance, the emission of light of two laser velocimeters can aim at discus,
The arranged beneath of circular orbit has the balance training with information feedback function, described balance training comprises pedal, balance base, control circuit and three distance measuring sensors, pedal is tabular, balance base position domed base, the plane of described domed base is fixedly connected with the bottom surface of pedal, and the center superposition of the plane center line of described domed base and pedal; Described pedal bottom surface is fixed with three distance measuring sensors, be respectively with reference to distance measuring sensor, front distance measuring sensor and left distance measuring sensor, described three distance measuring sensors are separately fixed at pedal bottom edge place, wherein the line of front distance measuring sensor and left distance measuring sensor is through the center of pedal, with reference to the line of distance measuring sensor and pedal centre perpendicular to the line of front distance measuring sensor and left distance measuring sensor; With reference to the reference distance signal input part of the signal output part connection control circuit of distance measuring sensor, the front end distance signal input of the signal output part connection control circuit of front distance measuring sensor, the left end distance signal input of the signal output part connection control circuit of left distance measuring sensor;
The pressure signal input end of the signal output end connection control circuit of pressure sensor, the signal output end of control circuit 3 connects the display input of display,
The display output of control circuit connects the display input of display;
Control circuit is embedded in the control module of software simulating, and described control module comprises as lower unit:
Data acquisition unit, for gathering reference distance signal, front end distance signal and left end distance signal that three distance signal inputs input all simultaneously at interval of the sampling time;
Comparing unit, deducts reference distance signal acquisition longitudinal separation difference signal with the front end distance signal received; Reference distance signal acquisition left and right range difference signal is deducted with the left end distance signal received;
Display unit, for by longitudinal separation difference signal with left and right range difference signal changes digital information into or graphical information sends to display display translation;
Electric-motor drive unit, the signal difference for being obtained by comparing unit sends to the first motor-drive circuit, and the first motor-drive circuit controls the start and stop of the first motor.
When the signal that three distance measuring sensors export is analog signal, described control circuit 3 comprises three signal conditioning circuits, A/D change-over circuit and controller; Described control module is embedded in controller, and the signal input part of described three signal conditioning circuits is the reference distance signal input part of controller, front end distance signal input and left end distance signal input respectively; The signal output part of described three signal conditioning circuits connects three input end of analog signal A1, A2 and A3 of A/D change-over circuit respectively, the signals collecting signal input part of the digital signal output end connection control device of described A/D change-over circuit, the A/D changeover control signal output of described controller connects the changeover control signal input of A/D change-over circuit, the drive singal output of the signal input part connection control device of the first motor-drive circuit, the display drive signals output of described controller connects the signal input part of display.
The control circuit of the special force at the core training of the superfine long discus of above-mentioned laser type and information feed back supervising device can also comprise three zeroing circuits, described three zeroing circuits are corresponding with three signal conditioning circuits respectively, and the signal output part of each zeroing circuit connects the zeroed signal input of a signal conditioning circuit.
The special force at the core training of the superfine long discus of laser type of the present invention and information feed back supervising device can also comprise keyboard, the keyboard signal input of the signal output part connection control device of described keyboard; Described control module also comprises as lower unit:
Key information collecting unit, for receiving the key information of input through keyboard;
Key information decoding unit, for judging the content obtaining key information, when key information position sampling time information, using this sampling time information as sampling time information; When key information is for exporting numerical monitor information, send numerical monitor order to display unit; When key information bit image display information, send graphics display command to display unit;
Display unit, sends corresponding display information to display according to the order received.
The special force at the core training of laser type discus of the present invention and information feed back supervising device can also comprise communication drive circuit, the signal of communication output of the signal input part connection control device of described communication drive circuit, described control module also comprises communication unit, and the signal difference that described communication unit is used for comparing unit obtains sends to communication drive circuit.
The invention has the beneficial effects as follows: the present invention is according to the correlation theory such as sport biomechanics and electricity, and in conjunction with the feature that discus throw special strength is practised, utilize the balance strength building new theory with information feed back, by the balance training with information feedback function of a labile state, be effective to the training of raising discus force at the core.The speed of laser velocimeter test exercise.
Balance training with information feedback function of the present invention in the training process, the poised state of health when can show training athlete in real time also carries out effective dose monitoring, and then allow trainer know its state of training, and then adjust its attitude in real time.
The distance of comparing unit to the Distance geometry before measurement distance sensor measurement distance ground with reference to distance measuring sensor measuring distance ground compares, the distance on the Distance geometry left distance measuring sensor measuring distance ground with reference to distance measuring sensor measuring distance ground is compared, when balance base tends to balance, longitudinal separation difference signal is equal with left and right range difference signal, electric-motor drive unit Received signal strength difference sends to the first motor-drive circuit, first motor-drive circuit controls the first electric motor starting, circular orbit swings, realize the special force at the core training of the difficult discus of people under pedal poised state under circular orbit trail change, when balance base comparatively puts on unbalance dynamic, electric-motor drive unit Received signal strength difference sends to the first motor-drive circuit, first motor-drive circuit controls the first machine operation to be stopped, circular orbit is static, realizes the special force at the core training of people's discus that circular orbit track is static under pedal non-equilibrium state, pressure sensor detects the rate curve of discus final force in real time, and then to the real-time effective monitoring of whole stroking technique process.
Laser type discus force at the core of the present invention training and movable information feedback supervising device is utilized to carry out the training of discus force at the core, sportsman overcomes labile state and keeps correct firmly posture, needs to coordinate to transfer by waist, pelvis, hip joint and lower limb to raise the meat fiber participation activating more core position and stablize having an effect of balance and action.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention, Fig. 2 is the I place enlarged drawing in Fig. 1, Fig. 3 is the top view of Fig. 2, Fig. 4 is the upward view of pedal and balance base connector, Fig. 5 is the structural representation of the balance training with information feedback function of detailed description of the invention eight, Fig. 6 is the structural representation of the balance training with information feedback function of detailed description of the invention nine, Fig. 7 is the structural representation of the balance training with information feedback function of detailed description of the invention ten, Fig. 8 is the structural representation of the balance training with information feedback function of detailed description of the invention 11, Fig. 9 is the structural representation of the balance training with information feedback function described in detailed description of the invention mode 12, Figure 10 is the structural representation of the another kind described in detailed description of the invention 12 with the balance training of information feedback function, Figure 11 is the A-A profile of Figure 10, it is the structural representation of a kind of balance training with information feedback function described in detailed description of the invention 13, Figure 12 is the partial enlarged drawing of stopping means 10 part in Figure 11, Figure 13 is the C-C sectional view of Figure 12, Figure 14 is the D-D sectional view of Figure 13, Figure 15 be described in detailed description of the invention six laser type discus force at the core training and movable information feedback supervising device overall structure schematic diagram, Figure 16 is the principle schematic of electric part of the present invention, Figure 17 is the principle schematic of the another kind of electric part of the present invention.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1-Fig. 4 and Figure 16 illustrates, the training of laser type discus force at the core and the movable information feedback supervising device of present embodiment comprise discus power apparatus and the balance training with information feedback function; Described discus power apparatus comprises circular orbit 12, sliding extension bar 25, gliding mass 24, toggle, pressure sensor 26, two laser velocimeters 28, multiple lifter 13 and the multiple elastic mounts consistent with lifter quantity;
Each described elastic mounts comprises upper flat plate 18, lower dull and stereotyped 20 and between upper flat plate 18 and lower dull and stereotyped 20 and the spring 19 affixed with the two, circular orbit 12 is in tilted layout, the below of circular orbit 12 is provided with multiple lifters 13 of arranging ringwise, the top of each lifter 13 is connected with the lower surface of circular orbit 12, and the lower end of each lifter 13 connects with the upper flat plate 18 of corresponding elastic mounts;
One of them lifter 13 is disposed adjacent with toggle, described toggle comprises crank 16, connecting rod 17 and the first motor 15, the output of the first motor 15 is connected with one end of crank 16, the other end of crank 16 and one end of connecting rod 17 hinged, the other end of connecting rod 17 and the lower end of one of them lifter 13 described hinged;
Gliding mass 24 is set in circular orbit 12 and the two is slidably connected, gliding mass 24 is equipped with sliding extension bar 25, the end be positioned at outside circular orbit 12 of sliding extension bar 25 is provided with limited block 25-2, length direction along sliding extension bar 25 in the bar section being positioned at inside circular orbit 12 of sliding extension bar 25 is processed with multiple through hole 25-1, discus 27 is arranged on the upper surface of sliding extension bar 25, and discus 27 is by being arranged on bolt in through hole 25-1 and sliding extension bar 25 removably connects, pressure sensor 26 is arranged on the upper surface of discus 24, the below of circular orbit 12 is provided with two laser velocimeters 28 in a distance, the emission of light of two laser velocimeters 28 can aim at discus 24,
The arranged beneath of circular orbit 12 has the balance training with information feedback function, described balance training comprises pedal 1, balance base 2, control circuit 3 and three distance measuring sensors, pedal 1 is tabular, balance base 2 domed base, the plane of described domed base is fixedly connected with the bottom surface of pedal 1, and the center superposition of the plane center line of described domed base and pedal 1; Described pedal 1 bottom surface is fixed with three distance measuring sensors, be respectively with reference to distance measuring sensor 40, front distance measuring sensor 41 and left distance measuring sensor 42, described three distance measuring sensors are separately fixed at pedal 1 bottom edge place, wherein the line of front distance measuring sensor 41 and left distance measuring sensor 42 is through the center of pedal 1, with reference to the line at distance measuring sensor 40 and pedal 1 center perpendicular to the line of front distance measuring sensor 41 and left distance measuring sensor 42; With reference to the reference distance signal input part of the signal output part connection control circuit 3 of distance measuring sensor 40, the front end distance signal input of the signal output part connection control circuit 3 of front distance measuring sensor 41, the left end distance signal input of the signal output part connection control circuit 3 of left distance measuring sensor 42;
The pressure signal input end of the signal output end connection control circuit 3 of pressure sensor 26, the signal output end of control circuit 3 connects the display input of display 6;
The display output of control circuit 3 connects the display input of display 6;
Control circuit 3 is embedded in the control module of software simulating, and described control module comprises as lower unit:
Data acquisition unit, for gathering reference distance signal, front end distance signal and left end distance signal that three distance signal inputs input all simultaneously at interval of the sampling time;
Comparing unit, deducts reference distance signal acquisition longitudinal separation difference signal with the front end distance signal received; Reference distance signal acquisition left and right range difference signal is deducted with the left end distance signal received;
Display unit, for by longitudinal separation difference signal with left and right range difference signal changes digital information into or graphical information sends to display display translation;
Electric-motor drive unit, the signal difference for being obtained by comparing unit sends to the first motor-drive circuit 11, first motor-drive circuit 11 to control the start and stop of the first motor 15.
The described sampling time is the random time parameter between 0.5 second to 3 seconds.
In present embodiment, the model of described three distance measuring sensors is identical, and the signal of output is data signal.
The signal that the pressure sensor of present embodiment exports is data signal.
The balance training of information feedback function is had when practical application described in present embodiment, balance base 2 is placed in smooth region, the single pin of trainer or both feet stand on pedal 1, after training starts, when pedal 1 run-off the straight, the distance on three distance measuring sensor difference measuring distance ground, and the signal of output corresponding expression distance is to control circuit, embed the control module of carrying in control circuit to process three distance signals, obtain the poised state of pedal, and by this poised state by display display translation, simultaneously, the signal difference (longitudinal separation difference signal or left and right range difference signal) that the electric-motor drive unit of control circuit obtains comparing unit processes, longitudinal separation difference signal is equal with left and right range difference signal, represent that pedal tends to balance, longitudinal separation difference signal or left and right range difference signal are sent to the first motor-drive circuit 11 by electric-motor drive unit, first motor-drive circuit 11 controls the first motor 15 and starts, circular orbit reciprocally swinging, longitudinal separation difference signal is greater than or less than left and right range difference signal, represent pedal swinging, longitudinal separation difference signal or left and right range difference signal send to the first motor-drive circuit 11, first motor-drive circuit 7 to control the first motor 15 to stop by electric-motor drive unit, and circular orbit stops swinging.
When showing in digital form, can adopt the data representation longitudinal separation difference with sign and left and right range difference, sign represents incline direction, the absolute value representation gradient of numeral, and the larger then corresponding digital absolute value that tilts is larger.
When showing in a graphical form, the overall perspective view picture of balance training can be shown, then show the heeling condition of described balance training according to gradient.Can also easy image be passed through, such as, only show the poised state of pedal.
Laser velocimeter is prior art, adopts Shenzhen Zhen Shangyou Science and Technology Ltd. or other company to manufacture.
Present embodiment adopts upper flat plate and lower flat board to be convenient to improve the stability of discus power apparatus.
The discus power apparatus of present embodiment can also comprise two bandages, 35, two bandages 35 and be connected on discus, and hand is bundled in discus for trainer by bandage, makes hand fully grasp discus.
The lifter of present embodiment can regulate the height of circular orbit, to adapt to the exercise of different height trainer.
Detailed description of the invention two: illustrate in conjunction with Figure 17, control circuit 3 described in present embodiment comprises three signal conditioning circuits, A/D change-over circuit and controller 4, described control module is embedded in controller 4, and the signal input part of described three signal conditioning circuits is the reference distance signal input part of controller 4, front end distance signal input and left end distance signal input respectively, the signal output part of described three signal conditioning circuits connects three input end of analog signal A1 of A/D change-over circuit respectively, A2 and A3, the signals collecting input of the digital signal output end connection control device 4 of described A/D change-over circuit, the A/D changeover control signal output of described controller 4 connects the changeover control signal input of A/D change-over circuit, the signal output part of described pressure sensor 26 connects the input end of analog signal of A/D change-over circuit, the signal output part of the signal input part connection control device 4 of the first motor-drive circuit 11, the display drive signals output of described controller 4 connects the signal input part of display 6.
The output signal of three distance measuring sensors in present embodiment is analog signal, and this analog signal is by sending to A/D change-over circuit after signal conditioning circuit process, and this A/D change-over circuit sends to controller after converting analog signal to data signal.
Controller in present embodiment can adopt chip microcontroller.Other is identical with detailed description of the invention one.
Detailed description of the invention three: in conjunction with Figure 17 explanation, control circuit 3 described in present embodiment also comprises three zeroing circuits, described three zeroing circuits are corresponding with three signal conditioning circuits respectively, and the signal output part of each zeroing circuit connects the zeroed signal input of a signal conditioning circuit.
Present embodiment adds zeroing circuit, before actual use, first the balance training with information feedback function described in present embodiment is placed on smooth ground, then pedal 1 is kept to be in plateau, now, by zeroing circuit adjustment voltage driven displays show value be zero.After carrying out aforementioned operation, then start training, and then can ensure that the gradient measuring the pedal obtained is more accurate.
Present embodiment can set up communication drive circuit 7, the signal of communication output of the signal input part connection control device of described communication drive circuit 7; Add communication drive circuit 7 in present embodiment, the measurement result data that controller obtains can be sent by this communication drive circuit 7, and then realize remote data transmission.Other is identical with detailed description of the invention two.
Detailed description of the invention four: illustrate in conjunction with Figure 17, also comprise keyboard 5 with the balance training of information feedback function described in present embodiment, the keyboard signal input of the signal output part connection control device 4 of described keyboard 5; Described control module also comprises as lower unit:
Key information collecting unit, for receiving the key information that keyboard 5 inputs;
Key information decoding unit, for judging the content obtaining key information, when key information is sampling time information, using this sampling time information as sampling time information; When key information is for exporting numerical monitor information, send numerical monitor order to display unit; When key information is image display information, send graphics display command to display unit;
Display unit, sends corresponding display information to display 6 according to the order received;
Add keyboard 5 in present embodiment, the setting to parameter can be realized, such as, the sampling time in sampling interval can be set, or the kind of set and display signal is numeral or figure etc.
Present embodiment can set up communication drive circuit 7, and described control module also comprises communication unit, and the signal difference that described communication unit is used for comparing unit obtains sends to communication drive circuit 7.The measurement result data that control module obtains are sent by this communication drive circuit 7, and then realize remote data transmission.
Communication drive circuit 7 described in present embodiment can be existing various serial communication drive circuit or radio communication drive circuit.Described serial communication drive circuit is USB serial communication drive circuit, RS485 serial communication drive circuit, RS232 serial communication drive circuit or network service drive circuit.Set up and in the training process measurement result can be sent to long-range equipment in real time, and then realize the function of physical training condition remote monitoring.Other is identical with detailed description of the invention two.
Detailed description of the invention five: composition graphs 1 illustrates, each described lifter 13 described in present embodiment is electric pushrod.Setting like this, circular orbit height regulates reliable convenient, is easy to control.Other is identical with any embodiment of detailed description of the invention one to four.
Detailed description of the invention six: in conjunction with Figure 15 explanation, each described lifter 13 described in present embodiment comprises column 13-1, sleeve pipe 13-2 and jackscrew 13-3, column 13-1 is arranged in sleeve pipe 13-2 and the two is removably connected by jackscrew 13-3, the lower surface of sleeve pipe 13-2 is connected with upper flat plate 18, the other end of connecting rod 17 and the sleeve pipe 13-2 of one of them lifter 13 described hinged.Setting like this, circular orbit height regulates reliable convenient, is easy to control.Other is identical with any embodiment of detailed description of the invention one to five.
Detailed description of the invention seven: composition graphs 5-Fig. 7 explanation, the first base 8 is also comprised with the balance training of information feedback function described in present embodiment, described first base 8 upper surface is provided with the circular groove 81 corresponding with balance base 2, and described balance base 2 is placed in this circular groove 81.
Present embodiment adds the base 8 with circular groove 81, in actual use, balance base 2 be placed in and in described circular groove 81, be convenient to fixed position, and the sidewall of described circular groove 81 can play spacing effect.The amplitude of fluctuation of limiting balance base 2 can be carried out by the width or the degree of depth adjusting circular groove 81, make it be more suitable for beginner.Other is identical with detailed description of the invention six.
Detailed description of the invention eight: composition graphs 5 illustrates, the bottom surface of circular groove 81 described in present embodiment is the combination of plane and sphere, and the sphere that described sphere is corresponding with balance base 2 outer arc, and the radius of this sphere is greater than the radius of balance base 2, the action of described circular arc be the height of balance base 2 0.02 to 0.1 between.
The shape of circular groove 81 bottom surface described in present embodiment, more easily make when balance base 2 is placed in circular groove 81, described balance base 2 is positioned at the position of the centre of circular groove 81, make balance base 2 equal apart from the distance of circular groove 81 sidewall, and then the spacing angle that balance base 2 is swung in circular groove 81 is equal.Other is identical with detailed description of the invention seven.
Detailed description of the invention nine: composition graphs 6 illustrates, described in present embodiment, the bottom surface of circular groove 81 is plane.The bottom surface of described circular groove 81 is plane, and can be applicable to the balance base 2 without radius, versatility is stronger.The amplitude of fluctuation of the pedal 1 that can set as required, the degree of depth of design circular groove 81 or height.Under the condition that the degree of depth of circular groove 81 is constant, the pedal 1 maximum angle a that can swing is larger more greatly, then for the radius of described circular groove 81; In like manner, when under the constant condition of the radius of circular groove 81, the degree of depth of described circular groove 81 is darker, then the pedal 1 maximum angle a that can swing is less.Other is identical with detailed description of the invention seven.
Detailed description of the invention ten: composition graphs 7 illustrates, described in present embodiment, the bottom surface of circular groove 81 is sphere, and the radius of this sphere is greater than the radius of balance base 2, the action of described circular arc be the height of balance base 2 0.2 to 0.6 between.In present embodiment, the bottom surface of described circular groove 81 is sphere, more easily ensures that balance base 2 is positioned at the centre position of groove 81, makes its amplitude of fluctuation to all directions identical.Other is identical with detailed description of the invention seven.
Detailed description of the invention 11: composition graphs 8 illustrates, multiple spherical limiting plate 82 is also comprised with the balance training of information feedback function described in present embodiment, described multiple spherical limiting plate 82 superposes successively and is placed in circular groove 81, the radius of described multiple spherical limiting plate 82 reduces successively, and the internal diameter of minimum spherical limiting plate 82 is greater than the radius of balance base 2, the spherical radius of adjacent two pieces of spherical limiting plate 82 joints is equal.In present embodiment, add spherical limiting plate 82, the radius of multiple spherical limiting plate 82 is different, shown in Figure 9, is equivalent to change circular groove 81 degree of depth and width, and then realizes the object of the maximum angle α that adjustment pedal 1 can swing.Present embodiment is applicable to use the trainer without demand.Other is identical with detailed description of the invention seven.
Detailed description of the invention 12: composition graphs 9-Figure 14 explanation, the second base 9 and multiple stopping means 10 is also comprised with the balance training of information feedback function described in present embodiment, with the second circular groove 91 above described second base 9, described balance base 2 is embedded in described second circular groove 91, described multiple stopping means 10 is centered by the center of circle of described second circular groove 91, what be radius with the distance of the radius being greater than the second circular groove 91 is circumferentially uniformly distributed, the amplitude that described stopping means 10 swings for limiting balance base 2, described stopping means 10 is fixed on the upper surface of the second base 9.In present embodiment, add the base with circular groove 91, and on base, be provided with stopping means 10, realize the object of the restriction to the maximum angle that pedal 1 swings.Shown in Figure 9, be have 6 stopping means 10.Shown in Figure 10, be have 4 stopping means.The bottom of described circular groove 91 can be combination or the sphere of plane, plane and sphere.Other is identical with detailed description of the invention six.
Detailed description of the invention 13: composition graphs 9-Figure 14 illustrates, the height adjustable of stopping means 10 described in present embodiment, described stopping means 10 is by fixed cover 101, adjustable supporting dagger 102 and latch 103 form, described fixed cover 101 is columnar structured, described fixed cover 101 embeds and is fixed on the surface of the second base 9, described fixed cover 101 is provided with locating hole, adjustable supporting dagger 102 is provided with multiple limiting through hole 104 along its length, described adjustable supporting dagger 102 inserts from the upper end of fixed cover 101, and any one limiting through hole 104 of described adjustable supporting dagger 102 is corresponding with the locating hole on fixed cover 101, latch 103 inserts the locating hole on this limiting through hole 104 and fixed cover 101 simultaneously.In present embodiment, described stopping means 10 adopts adjustable for height structure, and then realizes the object of the restriction adjusting the maximum angle that pedal 1 can swing.Meanwhile, present embodiment defines adjustable for height structure concrete in, and this kind of structure adopts the mode of latch to realize location, convenient to operation.Other is identical with detailed description of the invention 12.
The concrete structure of laser type discus force at the core training of the present invention and movable information feedback supervising device is not limited to the concrete structure described by above-mentioned various embodiment, can also make the reasonable combination of the technical characteristic described in each embodiment above-mentioned.
Operation principle
When carrying out the training of laser type discus force at the core and the monitoring of movable information feedback, on the pedal of the balance training with information feedback function of player stands under playing pendulum, and the discus power apparatus primarily of the composition such as circular orbit and lifter close to discus throw special strength feature combined through optimal design, grasp the sliding extension bar connecting discus, carry out final force exercise, now, balance training with information feedback function is started working, measure the amplitude of pedal swinging, the quantification treatment of the information of carrying out, to athletic poised state real-time quantization monitoring, along with the raising of sportsman's balanced capacity, balance training tends to balance when sportsman practises, namely longitudinal separation difference signal is equal with left and right range difference signal, represent that pedal tends to balance, now, longitudinal separation difference signal or left and right range difference signal are sent to the first motor-drive circuit by electric-motor drive unit, first motor-drive circuit controls the first electric motor starting, realize the swing of circular orbit, to increase new exercise difficulty, longitudinal separation difference signal is greater than or less than left and right range difference signal, represent that pedal significantly swings, longitudinal separation difference signal or left and right range difference signal are sent to the first motor-drive circuit by electric-motor drive unit, first motor-drive circuit controls the first motor to be stopped, and then realize the static of circular orbit, laser velocimeter is the principle adopting laser ranging, it is the laser ranging carrying out having for twice specified time interval to testee, between obtaining at this moment, in interval, the distance of testee changes, thus obtain the translational speed of this testee, the discus movement velocity of a certain segmental arc distance on circular orbit is measured by two laser velocimeters, according to two laser velocimeters respectively to the time of the reflected signal that discus receives, do the time difference, segmental arc arc length is the movement velocity of discus in this segmental arc divided by this time difference, and then reach the release speed of simulation discus special project examination.Pressure sensor display force-velocity curve is monitored in real time to whole course of action.
Claims (10)
1. the training of laser type discus force at the core and movable information feedback supervising device, is characterized in that: it comprises discus power apparatus and the balance training with information feedback function; Described discus power apparatus comprises circular orbit (12), sliding extension bar 25, gliding mass (24), toggle, pressure sensor (26), two laser velocimeters (28), multiple lifter (13) and the multiple elastic mounts consistent with lifter quantity;
Each described elastic mounts comprise upper flat plate (18), lower flat board (20) and to be positioned between upper flat plate (18) and lower flat board (20) and with the two affixed spring (19), circular orbit (12) is in tilted layout, the below of circular orbit (12) is provided with multiple lifters (13) of arranging ringwise, the top of each lifter (13) is connected with the lower surface of circular orbit (12), and the lower end of each lifter (13) connects with the upper flat plate (18) of corresponding elastic mounts;
One of them lifter (13) is disposed adjacent with toggle, described toggle comprises crank (16), connecting rod (17) and the first motor (15), the output of the first motor (15) is connected with one end of crank (16), the other end of crank (16) and one end of connecting rod (17) hinged, the other end of connecting rod (17) and the lower end of one of them lifter described (13) hinged;
Gliding mass (24) is set in circular orbit (12) and the two is slidably connected, gliding mass (24) is equipped with sliding extension bar (25), the end being positioned at circular orbit (12) outside of sliding extension bar (25) is provided with limited block (25-2), length direction along sliding extension bar (25) in the bar section being positioned at circular orbit (12) inner side of sliding extension bar (25) is processed with multiple through hole (25-1), discus (27) is arranged on the upper surface of sliding extension bar (25), and discus (27) is by being arranged on bolt in through hole (25-1) and sliding extension bar (25) removably connects, pressure sensor (26) is arranged on the upper surface of discus (24), the below of circular orbit (12) is provided with two laser velocimeters (28) in a distance, the emission of light of two laser velocimeters (28) can aim at discus (24),
The arranged beneath of circular orbit (12) has the balance training with information feedback function, described balance training comprises pedal (1), balance base (2), control circuit (3) and three distance measuring sensors, pedal (1) is tabular, balance base (2) position domed base, the plane of described domed base is fixedly connected with the bottom surface of pedal (1), and the center superposition of the plane center line of described domed base and pedal (1); Described pedal (1) bottom surface is fixed with three distance measuring sensors, be respectively with reference to distance measuring sensor (40), front distance measuring sensor (41) and left distance measuring sensor (42), described three distance measuring sensors are separately fixed at pedal (1) bottom edge place, wherein the line of front distance measuring sensor (41) and left distance measuring sensor (42) is through the center of pedal (1), with reference to the line at distance measuring sensor (40) and pedal (1) center perpendicular to the line of front distance measuring sensor (41) and left distance measuring sensor (42); With reference to the reference distance signal input part of the signal output part connection control circuit (3) of distance measuring sensor (40), the front end distance signal input of the signal output part connection control circuit (3) of front distance measuring sensor (41), the left end distance signal input of the signal output part connection control circuit (3) of left distance measuring sensor (42);
The pressure signal input end of the signal output end connection control circuit (3) of pressure sensor (26), the signal output end of control circuit (3) connects the display input of display (6);
The display output of control circuit (3) connects the display input of display (6);
Control circuit (3) is embedded in the control module of software simulating, and described control module comprises as lower unit:
Data acquisition unit, for gathering reference distance signal, front end distance signal and left end distance signal that three distance signal inputs input all simultaneously at interval of the sampling time;
Comparing unit, deducts reference distance signal acquisition longitudinal separation difference signal with the front end distance signal received; Reference distance signal acquisition left and right range difference signal is deducted with the left end distance signal received;
Display unit, for by longitudinal separation difference signal with left and right range difference signal changes digital information into or graphical information sends to display display translation;
Electric-motor drive unit, the signal difference for being obtained by comparing unit sends to the first motor-drive circuit (11), and the first motor-drive circuit (11) controls the start and stop of the first motor (15).
2. laser type discus force at the core training according to claim 1 and movable information feedback supervising device, is characterized in that: described control circuit (3) comprises three signal conditioning circuits, A/D change-over circuit and controller (4), described control module is embedded in controller (4), and the signal input part of described three signal conditioning circuits is the reference distance signal input part of controller (4), front end distance signal input and left end distance signal input respectively, the signal output part of described three signal conditioning circuits connects three input end of analog signal (A1) of A/D change-over circuit respectively, and (A3) (A2), the signals collecting input of the digital signal output end connection control device (4) of described A/D change-over circuit, the A/D changeover control signal output of described controller (4) connects the changeover control signal input of A/D change-over circuit, the signal output part of described pressure sensor (26) connects the input end of analog signal of A/D change-over circuit, the signal output part of the signal input part connection control device (4) of the first motor-drive circuit (11), the display drive signals output of described controller (4) connects the signal input part of display (6).
3. laser type discus force at the core training according to claim 2 and movable information feedback supervising device, it is characterized in that: described control circuit (3) also comprises three zeroing circuits, described three zeroing circuits are corresponding with three signal conditioning circuits respectively, and the signal output part of each zeroing circuit connects the zeroed signal input of a signal conditioning circuit.
4. laser type discus force at the core training according to claim 2 and movable information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises keyboard (5), the keyboard signal input of the signal output part connection control device (4) of described keyboard (5); Described control module also comprises as lower unit:
Key information collecting unit, for receiving the key information that keyboard (5) inputs;
Key information decoding unit, for judging the content obtaining key information, when key information is sampling time information, using this sampling time information as sampling time information; When key information is for exporting numerical monitor information, send numerical monitor order to display unit; When key information is image display information, send graphics display command to display unit;
Display unit, sends corresponding display information to display (6) according to the order received.
5. the laser type discus force at the core training according to Claims 1-4 any one claim and movable information feedback supervising device, is characterized in that: each described lifter (13) is electric pushrod.
6. the laser type discus force at the core training according to Claims 1-4 any one claim and movable information feedback supervising device, it is characterized in that: each described lifter (13) comprises column (13-1), sleeve pipe (13-2) and jackscrew (13-3), column (13-1) is arranged in sleeve pipe (13-2) and the two is removably connected by jackscrew (13-3), the lower surface of sleeve pipe (13-2) is connected with upper flat plate (18), the other end of connecting rod (17) and the sleeve pipe (13-2) of one of them lifter described (13) hinged.
7. laser type discus force at the core training according to claim 6 and movable information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises the first base (8), described first base (8) upper surface is provided with the circular groove (81) corresponding with balance base (2), and described balance base (2) is placed in this circular groove (81).
8. laser type discus force at the core training according to claim 7 and movable information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises multiple spherical limiting plate (82), described multiple spherical limiting plate (82) superposes successively and is placed in circular groove (81), the radius of described multiple spherical limiting plate (82) reduces successively, and the internal diameter of minimum spherical limiting plate (82) is greater than the radius of balance base (2), the spherical radius of adjacent two pieces of spherical limiting plate (82) joints is equal.
9. laser type discus force at the core training according to claim 6 and movable information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises the second base (9) and multiple stopping means (10), with the second circular groove (91) above described second base (9), described balance base (2) is embedded in described second circular groove (91), described multiple stopping means (10) is centered by the center of circle of described second circular groove (91), be circumferentially being uniformly distributed of radius to be greater than the distance of the radius of the second circular groove (91), the amplitude that described stopping means (10) swings for limiting balance base (2), described stopping means (10) is fixed on the upper surface of the second base (9).
10. laser type discus force at the core training according to claim 9 and movable information feedback supervising device, is characterized in that: the height adjustable of described stopping means (10), described stopping means (10) is by fixed cover (101), adjustable supporting dagger (102) and latch (103) composition, described fixed cover (101) is for columnar structured, described fixed cover (101) embeds and is fixed on the surface of the second base (9), (101) are provided with locating hole to described fixed cover, adjustable supporting dagger (102) is provided with multiple limiting through hole (104) along its length, described adjustable supporting dagger (102) is inserted from the upper end of fixed cover (101), and any one limiting through hole (104) of described adjustable supporting dagger (102) is corresponding with the locating hole on fixed cover (101), latch (103) inserts the locating hole on this limiting through hole (104) and fixed cover (101) simultaneously.
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CN114177586B (en) * | 2021-12-09 | 2022-10-14 | 武汉铁路职业技术学院 | Physical fitness leg exercise equipment and use method |
Citations (5)
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DD264616A1 (en) * | 1987-10-30 | 1989-02-08 | Tech Zentrum Geraete Und Anlag | POWER TRAINING DEVICE FOR DISK SENSORS |
JP2006175158A (en) * | 2004-12-24 | 2006-07-06 | Miki Aatsu Internatl Kk | Computer type throw sport simulation apparatus, and computer program thereof |
CN102000424A (en) * | 2010-12-27 | 2011-04-06 | 哈尔滨师范大学 | Vibrating equal-length multi-angle training and monitoring device for discus special strength |
CN201815079U (en) * | 2010-08-31 | 2011-05-04 | 哈尔滨师范大学 | Special photoelectric super-equal-length discus throw physical strength trainer |
CN203264218U (en) * | 2013-05-28 | 2013-11-06 | 哈尔滨师范大学 | Vibrating type discus special strength training device |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD264616A1 (en) * | 1987-10-30 | 1989-02-08 | Tech Zentrum Geraete Und Anlag | POWER TRAINING DEVICE FOR DISK SENSORS |
JP2006175158A (en) * | 2004-12-24 | 2006-07-06 | Miki Aatsu Internatl Kk | Computer type throw sport simulation apparatus, and computer program thereof |
CN201815079U (en) * | 2010-08-31 | 2011-05-04 | 哈尔滨师范大学 | Special photoelectric super-equal-length discus throw physical strength trainer |
CN102000424A (en) * | 2010-12-27 | 2011-04-06 | 哈尔滨师范大学 | Vibrating equal-length multi-angle training and monitoring device for discus special strength |
CN203264218U (en) * | 2013-05-28 | 2013-11-06 | 哈尔滨师范大学 | Vibrating type discus special strength training device |
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