CN103263752B - Foldable and reorganizable energy converting fitness device - Google Patents
Foldable and reorganizable energy converting fitness device Download PDFInfo
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- CN103263752B CN103263752B CN201310234016.4A CN201310234016A CN103263752B CN 103263752 B CN103263752 B CN 103263752B CN 201310234016 A CN201310234016 A CN 201310234016A CN 103263752 B CN103263752 B CN 103263752B
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Abstract
The invention relates to a foldable and reorganizable energy converting fitness device, which is capable of converting energy consumed by human bodies into electric energy for utilization while satisfying simultaneous fitness of many people, and can avoid overlarge floor area and effectively save space. The foldable and reorganizable energy converting fitness device comprises a treadmill part and a spinning device, which are connected together through a support I in a foldable way; arm force exercisers with rockable handles are arranged at the two sides of the treadmill part, and the two handles are connected with a piezoelectric power generation system; a front roller wheel of the treadmill part is connected with a generator through a gearbox and an overrun clutch B; the spinning device is also connected with the generator through the gearbox and an overrun clutch A; and the lower part of a belt of the treadmill part is also connected with the piezoelectric power generation system.
Description
Technical field
The present invention is a kind of device for body-building power generation, especially has the power conversion body-building device of the combination of several motion and the collapsible reconstruct of energy conversion effect.
Background technology
Under nowadays allegro life, people more and more pay attention to the importance of body-building, and a lot of people selects indoor body-building device because they are by the impact, safer of weather when taking exercise.But the existing most function singleness of body-building apparatus of commercially selling or take up space comparatively large, can not satisfy the demands of consumers.Simultaneously along with the development of society, the energy is more aobvious deficient, and the efficiency utilization of people to environmental protection and resource is also paid attention to further.
Body-building is the consumption to body energy, but this consumption has often been wasted, if can be electric energy by the power conversion of human consumption, and be supplied to gymnasium use, then effectively can reduces energy consumption.Simultaneously current body-building equipment often can only single body-building, the requirement of many people body-building simultaneously can not be met, even if there is part comprehensive body exercising equipment to exist, often take up an area larger, and the Conversion of Energy that all end users can not be consumed is electric energy, thus cause wasting of portion of energy.
Summary of the invention
Object of the present invention is exactly for solving the problem, a kind of power conversion body-building device of collapsible reconstruct is provided, it by the power conversion of human consumption can be when meeting many people simultaneously body-building electric energy for utilization, also avoid taking up an area excessive simultaneously, effectively save space.
For achieving the above object, the present invention adopts following scheme:
A kind of power conversion body-building device of collapsible reconstruct, it comprises the treadmill part and Spinning device that are linked together by bracket I in collapsible mode, be provided with can the chest-developer of swinging handle in treadmill part both sides, two handles be connected with piezoelectric power generation system; The front wheel of treadmill is connected with generator by gearbox, freewheel clutch B; Spinning device is then also connected with generator by gearbox, freewheel clutch A; The treadmill belt bottom of treadmill part is also connected with piezoelectric power generation system.
Described treadmill part comprises base, and pan frontward end has bracket I; Base is provided with treadmill belt, and front wheel and the rear roller at treadmill belt and base two ends are connected, and base rotates around with bracket I junction; The piezoelectric board of piezoelectric power generation system is provided with in treadmill belt bottom; Front wheel is connected with gearbox by gear I; Base bottom is also provided with sliding bar, and sliding bar is arranged in sleeve, and sleeve rotates around with seat board support junction; Also for being rotationally connected between sliding bar and base.
Described Spinning device comprises seat board, and seat board is arranged on connecting rod I, and seat board support bar one end is connected with rotating manner with connecting rod I, and the other end is connected with rotating manner with seat board support; Seat board support is connected with rotating manner with bracket I; Bracket I is also provided with pulley support, and big belt pulley is mounted thereto, and part ridden by the bicycle as Spinning device; Big belt pulley is connected with small belt pulley by belt, and small belt pulley is connected with gearbox.
Described gearbox comprises: gear II and gear V, gear II are connected with small belt pulley by axle I, and gear V is connected by axle III with gear VI; Gear II engages with gear III, and gear III is arranged on axle II and is connected with generator by freewheel clutch A; Gear V engages with gear IV, and gear IV is arranged on axle II and is connected with generator by freewheel clutch B; Gear I engages with gear VI.
The handle end of described chest-developer is provided with slide block, and slide block is arranged on the guide rail of base both sides, and is connected with spring; Slide block is connected the piezoelectric of piezoelectric power generation system with the junction of spring.
Described piezoelectric power generation system comprises piezoelectric, and piezoelectric is separately positioned on the junction of treadmill belt bottom and slide block and spring; Piezoelectric is connected with four voltage doubling rectifing circuits, and four voltage doubling rectifing circuits are connected with capacitor charging circuit, and capacitor charging circuit is connected with boost module, and boost module is that electrical equipment is powered.
Described small belt pulley is connected with axle I respectively by respective key with gear II; With shaft shoulder location on the left of small belt pulley, right side circlip for shaft is located; Axle I is connected with angular contact ball bearing, and angular contact ball bearing one end shaft shoulder is located, and the other end is located by end cap;
Gear III, IV are connected with axle II by respective key, and axle II end is provided with shaft end ring;
Gear V, gear VI are identical with the connected mode of axle I with gear II with the connected mode of axle III, and the mode that the axle head of axle III connects is identical with the mode that the axle head of axle I connects.
Described freewheel clutch A, freewheel clutch B are connected on axle II by respective key, and axle II one end shaft shoulder location other end circlip for shaft is located.
Described piezoelectric is piezoelectric ceramic piece, adopts freely-supported beam type piezo-electric generating structure, is namely formed in parallel by multi-layer piezoelectric material, is provided with supporting between every layer of piezo-electric material.
The invention has the beneficial effects as follows:
(1) the body-building while of can realizing double, by the application of two freewheel clutches, achieves the Dual Drive to same generator, selects one end that speed is large to export, ensure that effective utilization of energy.
(2) utilize piezo-electric effect and generator combine by motion produce mechanical energy be converted to electric energy;
(3) piezoelectric ceramics adopts the supporting way of simply supported beam, power is converted to mechanically deform, makes full use of the action effect of power;
(4) Spinning, treadmill, chest-developer are combined in the same apparatus, make functional diversities;
(5) by produce electric energy through collect after, not only give the entertainment device of treadmill such as music player own power, and by interface can give household small-size electrical equipment as the charging such as mobile phone, MP3.
(6) utilize folding device, make this fitness equipment easy to use, take up space little.
(7) lower alternating voltage, with withstand voltage lower commutation diode and capacitor, " whole " goes out a higher DC voltage;
(8) adopt simply supported beam PZT (piezoelectric transducer), four voltage doubling rectifing circuit output voltages are approximately 2 times of two multiplication of voltages, 1.3 times of three multiplication of voltages.When apparatus, with dynamotor rotates time, mechanical energy is converted to electric energy by motor, but because the change of rotating speed, so the voltage produced also is unstable, therefore connect voltage-stablizer at generator output end, make its stable output voltage, charge a battery, four times of rectification circuits highly sensitive, the voltage of output is several times of bridge voltage.
(9) conversion utilizing the chest-developer of slider-crank mechanism to carry out energy is employed.
(10) this device can be used for the use of common compact household electrical appliance after utilizing boost module to boost.
Accompanying drawing explanation
Fig. 1 is body-building device axonometric drawing;
Fig. 2 is body-building device front view;
Fig. 3 is body-building device top view;
Fig. 4 is transmission device partial enlargement axonometric drawing;
Fig. 5 is body-building device top view enlarged partial sectional view I;
Fig. 6 is body-building device top view enlarged partial sectional view II;
Fig. 7 is body-building device front view enlarged partial sectional view III;
Fig. 8 is body-building device front view enlarged partial sectional view IV;
Fig. 9 a is direct piezoelectric effect schematic diagram in the piezo-electric effect of piezoelectric;
Fig. 9 b is inverse piezoelectric effect schematic diagram in the piezo-electric effect of piezoelectric;
Figure 10 is the parallel connection of N layer piezoelectric ceramic piece simply supported beam form;
Figure 11 is four voltage doubling rectifing circuits;
Figure 12 is capacitor charging circuit schematic diagram;
Figure 13 is piezoelectric power generation system schematic diagram;
Figure 14 is slide block partial view V;
Wherein, 1 seat board support, 2 seat board support bars, 3 connecting rods I, 4 seat boards, 5 supports I, 6 bases, 7 connecting rods II, 8 handles, 9 treadmill belts, 10 slide blocks, 11 springs, 12 big belt pulleys, 13 pulley supports, 14 small belt pulleys, 15 gear I, 16 sleeves, 17 sliding bars, 18 pedals, 19 front wheels, 20 piezoelectric boards, 21 rear rollers, 22 axles I, 23 gears II, 24 gears III, 25 freewheel clutch A, 26 generators, 27 freewheel clutch B, 28 gears IV, 29 axles II, 30 gears V, 31 axles III, 32 gears VI, 33 keys I, 34 circlips for shaft, 35 keys II, 36 angular contact bearings, 37 end caps, 38 keys III, 39 keys IV, 40 shaft end rings, 41 bolts I, 42 nuts I, 43 bolts II, 44 nuts II, 45 piezoelectrics, 46 supportings.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
As shown in Figure 1, body-building device is primarily of support I 5, treadmill part, Spinning part, chest-developer part, transmission components composition.Wherein the base 6 of treadmill part rotates around the axle with junction, support I 5 lower end.Seat board support 1, seat board support bar 2, connecting rod I 3, seat board 4 and the pedal 18 be arranged on the pulley support 13 of support I 5 and pulley support 13, pedal axle drives big belt pulley 12, and big belt pulley 12 is connected with the small belt pulley 14 of transmission components by belt.Connecting rod I 3 rotates around seat board support bar 2, until parallel with seat board support bar 2; Then seat board support bar 2 rotates around seat board support 1 until parallel with seat board support 1; Seat board support 1 can carry out rotary folding around support I 5.
Composition graphs 1, the known chest-developer of Fig. 2, Figure 14 form slider-crank mechanism by connecting rod II 7, handle 8, slide block 10, spring 11.As shown in Figure 8, connecting rod II 7 and handle 8 are connected location by bolt II 43, nut II 44 and can rotate around the axle of bolt II 43 connected mode of connecting rod II 7 and handle 8.Slide block 8 can carry out the reciprocating motion of horizontal direction along guide rail.Slide block 8 is along the surface of the direction of motion being embedded with piezoelectric ceramics (piezoelectric 45), and piezoelectric ceramics surface is connected with spring 11, and spring 11 other end and base 6 carry out hinged.Along with the reciprocating motion of slide block 8, spring 11 is periodically compressed and is stretched, and correspondingly, the pulling force that piezoelectric ceramics also can act on because of spring 11 and pressure cause the flexural deformation of material, thus cause piezo-electric effect.The electric charge that piezo-electric effect produces is collected by energy storage circuit.
Be made up of base 6, treadmill belt 9, front wheel 19, piezoelectric board 20, rear roller 21 the known treadmill of Fig. 1 and Fig. 3.During treadmill work, drive front wheel 19 to rotate by the frictional force between treadmill belt 9 and front wheel 19 and import power into transmission components by the gear I 15 coaxial with it.People ceaselessly gives the piezo-ceramic pressure above piezoelectric board 20 time move in face on a treadmill, the electric charge produced due to piezo-electric effect is collected by energy storage circuit.
Composition graphs 2 and Fig. 7 known, base 6 can rotate around the junction with support I 5; As shown in Figure 7, sliding bar 17 positions by bolt I 41 and nut I 42 in connection between base 6 and sliding bar 17, and sliding bar 17 is rotated around the axle of bolt I 41.Sliding bar 17 can at sleeve 16 middle slip, and sleeve 16 can rotate around the junction with seat board support 1 simultaneously.When treadmill folds time, promote base 6 and rotate around support I 5, slide in sleeve 16 while sliding bar 17 rotates around base 6 and be with moving sleeve 16 to rotate around the junction with seat board support 1.When seat board 6 rotates to extreme position time, can lean against on the crossbeam of seat board support 1, utilize stuck mechanism to fix anti-sliding stop sliding bar 17 and sleeve 16.So just can realize treadmill partially folded after steadily lay.
Composition graphs 4 and Fig. 5 can see that small belt pulley 14 is connected with axle I 22 with key II 35 respectively by key I 33 with gear II 23, and with shaft shoulder location on the left of small belt pulley 14, right side circlip for shaft 34 is located.With shaft shoulder location on the right side of gear II 23, left side circlip for shaft 34 is located; Axle I 22 is connected with angular contact ball bearing 36, and angular contact ball bearing 36 one end shaft shoulder is located, and the other end is located by end cap 37.Gear II 23 on axle I 22 engages with the gear III 24 on axle II 29 thus torque is inputted generator 26.
Composition graphs 4 and the known freewheel clutch B27 of Fig. 6 are connected on axle II 29 by key III 38, and axle II 29 one end shaft shoulder location other end circlip for shaft 34 is located.The locate mode that freewheel clutch A25 adopts and freewheel clutch B27 is same.Gear IV 28 is connected with axle II 29 by key IV39, and axle II 29 end is provided with shaft end ring 40 and locates.Gear III 24 adopts the connected mode identical with gear IV28 to be connected with axle II 29.Gear V30 on axle III 31 engages with the gear IV28 on axle II 29 thus torque is inputted generator 26.
Gear V30, gear VI32 are identical with the connected mode of axle I 22 with gear II 23 with the connected mode of axle III 31, and the mode that the axle head of axle III 31 connects is identical with the mode that the axle head of axle I 22 connects.Gear I 15 on treadmill engages with the gear VI32 on axle III 31 and is used for torque to input from treadmill.
The course of work of this body-building device is as follows
Mechanical driving part explanation
When a people moves on a treadmill, treadmill belt 9 drives front wheel 19 to rotate, thus driven gear I15 rotates, and gear I15 is connected with gearbox, and freewheel clutch A25 departs from, and freewheel clutch B27 combines, thus drive electrical generators 26 rotates generation electric energy; Meanwhile, the power conversion ridden on running board is electric energy by the piezoelectric ceramics be attached on running board;
When a people moves on Spinning, large belt wheel 12 drives small pulley 14 to rotate, and small pulley 14 is connected with gearbox by axle I22, and now, freewheel clutch B27 departs from, and freewheel clutch A25 connects, and drive electrical generators 26 rotates and produces electric energy;
When a people is when carrying out arm strength and taking exercise, cause the distortion of spring 11 because of reciprocating motion, the elastic deformation of spring 11 makes the piezoelectric 45 being attached to slide block end face that piezo-electric effect occur, and the electric energy of generation is collected after circuit rectifies.
When two people move respectively on treadmill and Spinning simultaneously, because both motions exist speed difference, therefore the larger meeting connection of its medium velocity of freewheel clutch A25, B27 and another departs from, thus ensure to rotate generation electric energy by the drive electrical generators 26 that rotating speed is higher.
When treadmill device carries out folding, the sleeve 16 below treadmill rotates around the axle on seat board support 1, and along with the rising of treadmill, the sliding bar 17 be connected with treadmill slides in sleeve 16.When treadmill rotates to the position of specifying, treadmill can be fixed by the fastening bolt tightened between sliding bar 17 and sleeve 16.
When bicycle part is carried out folding, extract the bolt between seat board support 1 and seat board support bar 2, seat board support bar 2 is rotated counterclockwise around connecting rod I3, connecting rod I3 turns clockwise around seat board support 1, and seat board support 1 is rotated counterclockwise and can completes the folding of this part centered by bracket I 5 and seat board support 1 junction.
Electric energy conversion portion
Electric energy conversion portion can be divided into again utilize piezo-electric effect mechanical energy to be converted to part that mechanical energy is converted to electrical power storage by the part of electrical power storage and drive electrical generators work.
When applying a pressure F parallel with polarised direction to piezoelectric ceramics, as illustrated in fig. 9, crystal will produce compressive deformation (in figure dotted line), and the distance between intracrystalline positive and negative bound charge diminishes, and polarization intensity also diminishes.Therefore, be originally adsorbed on the free charge on electrode, some is released, and Discharge Phenomena.After pressure is cancelled, crystal restores to the original state (this is an expansion process), and the distance between intracrystalline positive and negative electric charge becomes large, and polarization intensity also becomes large, therefore electrode adsorbs again a part of free charge and occurs charging phenomenon.Thisly changing electrical effect into by mechanical effect, or be the phenomenon of electric energy by mechanical energy, is exactly direct piezoelectric effect.Contrary, if add an electric field identical with polarised direction on piezo-electric crystal, as shown in figure 9b, because the direction of electric field is identical with the direction of polarization intensity, so the effect of electric field makes polarization intensity increase.At this moment, the spacing of intracrystalline positive and negative bound charge also increases, and in other words, crystal produces along polarised direction and extends deformation (in figure dotted line).
In like manner, if the direction of extra electric field is contrary with polarised direction, then crystal produces along polarised direction and shortens deformation.Thisly changing mechanical effect due to electrical effect into or be the phenomenon of mechanical energy by converting electric energy, is exactly inverse piezoelectric effect.As can be seen here, piezoelectric ceramics, so have piezo-electric effect, is because ceramic inside exists spontaneous polarization.After being forced to orientations, in pottery, namely remanent polarization is there is in these spontaneous polarizations through the process of hyperpolarization operation.If the effect in the external world (effect as pressure or electric field) can make this polarization intensity change, just there is piezo-electric effect in pottery.In addition, it can also be seen that, the polarization charge in pottery is bound charge, instead of free charge, and these bound charges can not move freely.So the electric discharge produced in pottery or charging phenomenon, be the change by ceramic internal polarization intensity, cause the release of free charge on electrode surface or supplementary result.
The piezoelectric generating device that this device utilizes the direct piezoelectric effect of piezoelectric ceramics to design just, and the electricity collection produced stores the consumption being used for compact electric apparatus.
Containing in the circuit of piezoelectric, affect energy transmission efficiency because have two: energy loss in the loop in (1) charge transfer process, (2) Energy Transfer terminates the dump energy of rear piezoelectric ceramics self.When memory capacitance is larger, energy consumes in a large number in charge transfer process; When memory capacitance is less than piezoelectric ceramics electric capacity, the low main cause of energy transmission efficiency is the latter.The equivalent capacity of general piezoelectric ceramics is very little relative to memory capacitance.In order to ensure to store enough energy, the capacity of memory capacitance can not be too little.For improving energy transmission efficiency, be only improved the equivalent capacity of piezoelectric ceramics.Adopt the method for multi-disc piezoelectric ceramic piece and rational electric connecting mode, improve the equivalent capacity of piezoelectric ceramics.
The connected mode of piezoelectric ceramic piece has two kinds, i.e. in parallel and series connection.Know from electric capacity connection in series-parallel character, if two piezoelectric ceramic piece parallel connections, concentrated on by negative electrical charge on middle negative electrode, positive charge, on upper and lower two positive electrodes, is equivalent to two Capacitance parallel connections, and output total electrical charge and capacitance double.If two piezoelectric ceramic piece series connection, on two panels piezoelectric ceramic piece target, positive and negative charge offsets, and export total electrical charge constant, and by electricity knowledge, capacitances in series is equivalent to resistor coupled in parallel, so two piezoelectric ceramic piece series electrical capacity reduce by half.Therefore, for raising the efficiency, we select parallel way, as shown in Figure 10.Piezoelectric 45 is divided into Multi-layer Parallel, and interlayer is provided with supporting 46.
This device produces feature and the electrical equivalent model of electric energy according to piezoelectricity, devise four voltage doubling rectifing circuits as shown in figure 11, be used for obtaining a pulsating dc voltage by after the AC rectification of piezoelectric material vibration generation, this voltage is exported a stable DC voltage via filter circuit; Then electric current charges to ultracapacitor, and this part plays a part to cushion electric energy, drives DC-DC booster circuit and electric power management circuit work; Finally adopt DC-DC booster circuit and energy collection circuit, in order to collect and to store the electricity that piezoelectric produces.
The concrete operation principle of circuit is as follows:
When from piezoelectric, voltage out has positive-negative polarity, diode D1 and D3 conducting, then electric capacity C1 and C3 is charged, and virtual voltage is Vm.When polarity becomes timing, D1 and D3 turns off, C1 and C3 stops charging; D2 conducting, the voltage on C1 will increase, and C2 charges 2 times that reach original again.Equally, C4 is also charged to 2Vm.Because C2 and C4 can not discharge, this just makes the ultracapacitor C5 being connected on its two ends keep DC voltage to be 4Vm.In reality, due to the inevitable forward drop of each diode, the DC voltage on C5 can not reach 4Vm completely, but closely.Ensuing positive half period, the electricity that C2 and C4 is put load, is supplemented by C1 and C3; Play wave filter at this one side C2 and C4, its effect is similar to the ripple of the wave filter reduction output voltage of rectifier.Therefore, voltage quadrupler can complete AC-DC rectification, filtering, can increase the size of DC voltage simultaneously.
Utilize the electric energy that ultracapacitor produces to collect piezoelectric ceramic piece, Figure 12 is complete circuit schematic diagram, can be used for as DC circuit is powered.Circuit working principle: first, freely-supported beam type piezo-electric generating structure produces and exchanges small voltage, but unstable, is stable DC voltage, then is stored in ultracapacitor C1, as shown in figure 13 through four voltage doubling rectifing circuits by AC rectification.
Claims (8)
1. the power conversion body-building device of a collapsible reconstruct, it is characterized in that, it comprises the treadmill part and Spinning device that are linked together by bracket I in collapsible mode, and be provided with can the chest-developer of swinging handle in treadmill part both sides, two handles be connected with piezoelectric power generation system; The front wheel of treadmill is connected with generator by gearbox, freewheel clutch B; Spinning device is then also connected with generator by gearbox, freewheel clutch A; The treadmill belt bottom of treadmill part is also connected with piezoelectric power generation system;
Described gearbox comprises: gear II and gear V, gear II are connected with small belt pulley by axle I, and gear V is connected by axle III with gear VI; Gear II engages with gear III, and gear III is arranged on axle II and is connected with generator by freewheel clutch A; Gear V engages with gear IV, and gear IV is arranged on axle II and is connected with generator by freewheel clutch B; Gear I engages with gear VI.
2. the power conversion body-building device of collapsible reconstruct as claimed in claim 1, is characterized in that, described treadmill part comprises base, and pan frontward end has bracket I; Base is provided with treadmill belt, and front wheel and the rear roller at treadmill belt and base two ends are connected, and base rotates around with bracket I junction; The piezoelectric board of piezoelectric power generation system is provided with in treadmill belt bottom; Front wheel is connected with gearbox by gear I; Base bottom is also provided with sliding bar, and sliding bar is arranged in sleeve, and sleeve rotates around with seat board support junction; Also for being rotationally connected between sliding bar and base.
3. the power conversion body-building device of collapsible reconstruct as claimed in claim 1, it is characterized in that, described Spinning device comprises seat board, and seat board is arranged on connecting rod I, seat board support bar one end is connected with rotating manner with connecting rod I, and the other end is connected with rotating manner with seat board support; Seat board support is connected with rotating manner with bracket I; Bracket I is also provided with pulley support, and big belt pulley is mounted thereto, and part ridden by the bicycle as Spinning device; Big belt pulley is connected with small belt pulley by belt, and small belt pulley is connected with gearbox.
4. the power conversion body-building device of collapsible reconstruct as claimed in claim 1, is characterized in that, the handle end of described chest-developer is provided with slide block, and slide block is arranged on the guide rail of base both sides, and is connected with spring; Slide block is connected the piezoelectric of piezoelectric power generation system with the junction of spring.
5. the power conversion body-building device of the collapsible reconstruct as described in claim 1 or 2 or 4, it is characterized in that, described piezoelectric power generation system comprises piezoelectric, and piezoelectric is separately positioned on the junction of treadmill belt bottom and slide block and spring; Piezoelectric is connected with four voltage doubling rectifing circuits, and four voltage doubling rectifing circuits are connected with capacitor charging circuit, and capacitor charging circuit is connected with boost module, and boost module is that electrical equipment is powered.
6. the power conversion body-building device of collapsible reconstruct as claimed in claim 3, is characterized in that, described small belt pulley is connected with axle I respectively by respective key with gear II; With shaft shoulder location on the left of small belt pulley, right side circlip for shaft is located; Axle I is connected with angular contact ball bearing, and angular contact ball bearing one end shaft shoulder is located, and the other end is located by end cap;
Gear III, IV are connected with axle II by respective key, and axle II end is provided with shaft end ring;
Gear V, gear VI are identical with the connected mode of axle I with gear II with the connected mode of axle III, and the mode that the axle head of axle III connects is identical with the mode that the axle head of axle I connects.
7. the power conversion body-building device of collapsible reconstruct as claimed in claim 1, is characterized in that, described freewheel clutch A, freewheel clutch B are connected on axle II by respective key, and axle II one end shaft shoulder location other end circlip for shaft is located.
8. the power conversion body-building device of collapsible reconstruct as claimed in claim 5, is characterized in that, described piezoelectric is piezoelectric ceramic piece, adopts freely-supported beam type piezo-electric generating structure, is namely formed in parallel by multi-layer piezoelectric material, is provided with supporting between every layer of piezo-electric material.
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| CN201310234016.4A CN103263752B (en) | 2013-06-13 | 2013-06-13 | Foldable and reorganizable energy converting fitness device |
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| CN201310234016.4A CN103263752B (en) | 2013-06-13 | 2013-06-13 | Foldable and reorganizable energy converting fitness device |
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| CN103263752B true CN103263752B (en) | 2015-02-04 |
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| CN107137873A (en) * | 2017-06-26 | 2017-09-08 | 宁波市鄞州发辉机械科技有限公司 | Multifunction interdynamic fitness equipment |
| CN107158645A (en) * | 2017-06-26 | 2017-09-15 | 宁波市鄞州发辉机械科技有限公司 | The transmission device of interactive body-building equipment |
| CN108144252A (en) * | 2017-12-26 | 2018-06-12 | 宁波柏华工程技术有限公司 | It is a kind of can be electronic with the mechanical multi function treadmill mutually converted |
| CN109192095A (en) * | 2018-10-12 | 2019-01-11 | 郑州大学西亚斯国际学院 | A kind of moral education promotional platform |
| CN110259653A (en) * | 2019-05-05 | 2019-09-20 | 西安培华学院 | A kind of human motion power generator |
| CN111001145B (en) * | 2020-02-23 | 2020-11-27 | 齐齐哈尔大学 | Skiing simulating exerciser |
| CN112973006A (en) * | 2021-04-16 | 2021-06-18 | 康建民 | Speed-adjustable running machine |
| CN113975724A (en) * | 2021-10-14 | 2022-01-28 | 沈阳航天新光集团有限公司 | Interactive entertainment body builder |
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| CN2458804Y (en) * | 2000-07-17 | 2001-11-07 | 李钊 | Body-building electric generator |
| CN2486173Y (en) * | 2001-07-11 | 2002-04-17 | 李埃栓 | Multifunction body building device |
| US20080004163A1 (en) * | 2006-06-30 | 2008-01-03 | Husted Royce H | Exercise machine |
| CN203329278U (en) * | 2013-06-13 | 2013-12-11 | 青岛理工大学 | Energy conversion body building device capable of being folded and restructured |
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