CN108382521B - Pneumatic power-assisted bicycle utilizing brake waste energy - Google Patents
Pneumatic power-assisted bicycle utilizing brake waste energy Download PDFInfo
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- CN108382521B CN108382521B CN201810304773.7A CN201810304773A CN108382521B CN 108382521 B CN108382521 B CN 108382521B CN 201810304773 A CN201810304773 A CN 201810304773A CN 108382521 B CN108382521 B CN 108382521B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
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Abstract
The invention discloses a pneumatic power-assisted bicycle utilizing brake waste energy, and belongs to the field of pneumatic bicycles. The invention comprises a power-assisted unit, a power recovery unit and a vehicle body, wherein the power-assisted unit comprises an energy supply air tank for outputting pneumatic power assistance, the power recovery unit comprises an energy storage air tank and a compression cylinder, a compression piston is arranged in the compression cylinder and used for compressing air, one end of the compression cylinder is provided with an adjusting piston, the adjusting piston can move along the length direction of the compression cylinder, the compression cylinder is connected with the energy storage air tank through an air outlet pipe of the compression cylinder, the compressed air is conveyed to the energy storage air tank through a pipeline, the energy storage air tank and the energy supply air tank are provided with air tank one-way air valves, when the speed needs to be reduced, the braking effect can be adjusted by adjusting the compression ratio of the compression cylinder.
Description
Technical Field
The invention belongs to the field of pneumatic bicycles, and particularly relates to a pneumatic power-assisted bicycle utilizing brake waste energy.
Background
The booster vehicle is a portable vehicle between a bicycle and a light motorcycle, and occupies a place in the competitive vehicle industry due to the advantages of light weight, smallness and low price. General moped generally has two kinds in the existing market, namely fuel internal combustion engine type moped and electric moped. The two moped have advantages, and the fuel moped adopts a two-stroke engine due to simple structure, so that fuel is insufficiently combusted, and a large amount of pollutants such as CO, tiny carbon granules and the like are discharged, thereby the pollution problem can not be fundamentally solved. The electric bicycle consumes energy which is not directly from fossil fuel but from electric energy rushing into a storage battery, and in addition, the environmental protection property of the electric bicycle has a fatal damage: that is the battery. Although the lead-acid storage battery which is generally used at present has the advantages of large storage capacity and low cost, the generated acid mist can pollute the environment to a certain extent, even the novel storage battery which does not generate the acid mist contains a large amount of harmful heavy metals such as lead, copper, mercury and the like inevitably, if the novel storage battery is discarded at will after use, the lead-acid storage battery is extremely easy to seriously pollute water, soil and the like, and the harm of the novel storage battery is not under a fuel internal combustion engine type power-assisted vehicle. Therefore, the importance of researching and developing new products capable of replacing the products is reflected. The pneumatic power-assisted vehicle which uses the compressed air with no toxicity, no harm and low cost as a power source has great competitive advantage.
Through retrieval, the name of the invention is: an environment-friendly self-inflating pneumatic bicycle (application number: 200720037533.2, application date: 2007.05.14), which relates to an environment-friendly self-inflating pneumatic bicycle, comprising: pedal pole and footboard, foot-operated high pressure inflator, bicycle frame, connecting rod reset spring, pedal pole reset spring, air motor, gas holder, saddle, inflator reset spring and manometer, pedal pole and footboard and foot-operated high pressure inflator have two, and pedal pole one end of pedal pole and footboard is articulated with the floorbar of bicycle frame, and the centre is articulated with the one end of connecting rod, and the other end of connecting rod) links to each other with the piston of foot-operated high pressure inflator, and connecting rod reset spring suit is on the connecting rod, and the one end of pedal pole reset spring links to each other with the pedal pole centre of pedal pole and footboard, and the other end and connected with the frame, and air motor and gas holder dress are on the frame, and the gas outlet of foot-operated high pressure inflator links to each other with the air inlet of gas holder, and the gas holder gas outlet links to each. Although the self-inflating effect can be achieved, the self-inflating device has the defects that the inflating efficiency is low, and the inflating efficiency is difficult to adjust according to road conditions.
In addition, the name of the invention is as follows: the application discloses a bicycle with a pneumatic braking energy storage structure (application number: 201711045948.9, application date: 2017.10.31), which comprises a bicycle body, wherein the bicycle body comprises a frame, a handle, two pedals, a front wheel and a rear wheel, and the frame is formed by connecting a plurality of tubes to form an air storage tank; a control valve is arranged on the frame, and the control valve is a three-position five-way valve controlled by a sliding shaft; one end of the rear wheel shaft is provided with a piston type air pump, and the piston type air pump comprises a cylinder body, a crankshaft arm, a piston, a cylinder seat and an end cover; pressure sensors are arranged on the two pedals and connected with a control circuit; the control valve is provided with a linear motor, and a motor shaft of the linear motor is connected with the other end of the slide shaft. Although the application can automatically collect and store energy in the bicycle braking process, the application has the defects that the collection efficiency cannot be adjusted in real time, and the running of a vehicle is difficult to keep stable and uniform speed while the energy is collected.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problem that the collection efficiency of the existing pneumatic bicycle cannot be adjusted in real time, and provides a pneumatic power-assisted bicycle utilizing brake waste energy.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a pneumatic power-assisted bicycle utilizing brake waste energy, which comprises a power-assisted unit, a brake unit and a brake control unit, wherein the power-assisted unit comprises an energy supply air tank for outputting pneumatic power assistance; the power recovery unit comprises an energy storage gas tank and a compression cylinder, wherein a compression piston is arranged in the compression cylinder and used for compressing gas, an adjusting piston is arranged at one end of the compression cylinder and can move along the length direction of the compression cylinder, the compression cylinder is connected with the energy storage gas tank through a pipeline, the compressed gas is conveyed to the energy storage gas tank through the pipeline, and the energy storage gas tank and the energy supply gas tank are provided with gas tank one-way gas valves; the power assisting device comprises a vehicle body, wherein the power assisting unit and the power recovering unit are arranged on the vehicle body, the power assisting unit is used for providing pneumatic power for power wheels of the vehicle body, and the power recovering unit is used for recovering mechanical energy of the power wheels in the speed reducing process.
Preferably, the helping hand unit includes energy supply gas pitcher, pneumatic motor and power wheel, the energy supply gas pitcher sets up on the horizontal frame of automobile body, pneumatic motor sets up in the footboard, and the energy supply gas pitcher passes through the air supply pipe and links to each other with pneumatic motor, pneumatic motor passes through the driving chain and is connected with the power wheel, and the energy supply gas pitcher passes through the pipeline and carries high-pressure gas to pneumatic motor to drive pneumatic motor and rotate, and pneumatic motor pivoted drives the power wheel and rotates simultaneously, be equipped with the ooff valve between energy supply gas pitcher and the pneumatic motor, this ooff valve is connected with the gear lever of automobile body.
Preferably, a clutch driving wheel is arranged on one side of the power wheel and rotates coaxially with the power wheel, the clutch driving wheel is connected with a compression piston on a compression cylinder through a transmission rod, an outlet of the compression cylinder is connected with an energy storage gas tank through a pipeline, the energy storage gas tank is connected with an energy supply gas tank of the power assisting unit through a pipeline, an adjusting piston is arranged at the upper end of the compression cylinder, a clearance adjusting mechanism is arranged at the upper end of the compression cylinder, and the adjusting piston is connected with the clearance adjusting mechanism.
Preferably, the compression cylinder is arranged at the tail end of a fixing rod of the frame, a compression piston is arranged in the compression cylinder, the compression piston is provided with a piston connecting block, the piston connecting block is connected with a clutch connecting block on a clutch driving wheel through a transmission rod, a limiting block is arranged in the upper end of the compression cylinder, a first one-way air inlet valve and a first one-way air outlet valve are arranged in the side wall of the lower end of the limiting block, and the first one-way air outlet valve is connected with the energy storage air tank through a compression cylinder.
Preferably, the clearance adjusting mechanism comprises a hydraulic cylinder and a hydraulic telescopic rod, one end of the hydraulic telescopic rod is fixedly connected with the adjusting piston, the other end of the hydraulic telescopic rod is arranged in the hydraulic cylinder, and the clearance adjusting mechanism is used for adjusting the volume of the compression cylinder.
Preferably, one side of the clutch driving wheel is provided with a clutch mechanism, the clutch mechanism is connected with a brake mechanism on the vehicle body and is used for controlling the clutch driving wheel to be contacted with the power wheel,
preferably, the stroke of the compression piston is equal to the diameter D of the clutch transmission wheel, and the stroke of the compression piston is smaller than the distance L between the limiting block and the bottom of the compression cylinder.
Preferably, the first one-way air outlet valve is arranged on an outlet of the compression cylinder, the flow direction of the first one-way air inlet valve is communicated with the interior of the compression cylinder from the outside of the device, the flow direction of the first one-way air outlet valve is communicated with an air outlet pipe of the compression cylinder from the compression cylinder, the lower end of the compression cylinder is provided with a second one-way air inlet valve and a second one-way air outlet valve, the second one-way air outlet valve is communicated with the air outlet pipe of the compression cylinder through the second air outlet pipe, and the lower end of the compression cylinder.
Preferably, the speed adjusting rod and the brake mechanism are arranged at the upper end of a front wheel support of the vehicle body, a front wheel is arranged at the lower end of the front wheel support, the speed adjusting rod is connected with the switch valve through a pull wire, and the brake mechanism is connected with the clearance adjusting mechanism.
Preferably, a flywheel is arranged on one side of the power wheel, and the flywheel and the power wheel rotate coaxially.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the invention relates to a pneumatic power-assisted bicycle utilizing brake waste energy, which comprises a power-assisted unit, a power recovery unit and a bicycle body, wherein the power-assisted unit comprises an energy supply gas tank for outputting pneumatic power assistance, the power recovery unit comprises an energy storage gas tank and a compression cylinder, a compression piston is arranged in the compression cylinder and used for compressing gas, one end of the compression cylinder is provided with an adjusting piston, the adjusting piston can move along the length direction of the compression cylinder, the compression cylinder is connected with the energy storage gas tank through a pipeline, the compressed gas is conveyed to the energy storage gas tank through the pipeline, the energy storage gas tank and the energy supply gas tank are provided with one-way gas valves, when the speed needs to be reduced, the brake effect can be adjusted by adjusting the compression ratio of the compression cylinder, and the brake waste;
(2) according to the pneumatic power-assisted bicycle utilizing the brake waste energy, the compression cylinder is provided with the double air cavities, two times of compression are completed in the process of one cycle, the compression efficiency is higher, the air is compressed in the whole process during braking, the braking effect is better, and the brake waste energy is fully utilized;
(3) according to the pneumatic power-assisted bicycle utilizing the brake waste energy, the flywheel is arranged on one side of the power wheel and rotates coaxially with the power wheel, so that partial energy of the stroke of the power wheel can be stored to overcome the resistance of other strokes, the power wheel rotates uniformly, the inertia of the power wheel is increased by the flywheel, and the dead point position of the power wheel can be easily overcome by the power wheel;
(4) according to the pneumatic power-assisted bicycle utilizing the brake waste energy, the stroke of the compression piston is equal to the diameter D of the clutch transmission wheel, and the stroke of the compression piston is smaller than the distance L between the limiting block and the bottom of the compression cylinder, so that the compression piston cannot block an air outlet pipe of the compression cylinder in the process that the clutch transmission wheel drives the compression piston to compress, the compression efficiency is higher, and the problem of device locking caused by the fact that the stroke of the compression piston is too small when the power wheel rotates is solved.
Drawings
FIG. 1 is a schematic structural view of a pneumatic bicycle using brake complementary energy according to the present invention;
fig. 2 is a partial structural schematic view of a pneumatic power-assisted bicycle using brake waste energy according to the present invention.
The reference numerals in the schematic drawings illustrate:
100. a booster unit; 110. an energy supply gas tank; 111. a gas supply pipe; 120. an on-off valve; 130. a pneumatic motor; 140. a power wheel; 150. a drive chain; 160. a flywheel;
200. a power recovery unit; 210. an energy storage gas tank; 211. a gas tank connecting pipe; 212. a gas tank one-way gas valve; 220. a compression cylinder; 221. a compression piston; 222. a piston connecting block; 223. a limiting block; 224. a first one-way intake valve; 226. a first one-way outlet valve; 227. a compression cylinder outlet; 228. a compression cylinder air outlet pipe; 229. an adjusting piston; 230. a clutch transmission wheel; 231. a transmission rod; 232. a clutch connecting block; 240. a second air cavity; 241. a second one-way intake valve; 242. a second one-way outlet valve; 243. a second air outlet pipe;
340. a clearance adjustment mechanism; 341. a hydraulic cylinder; 342. a hydraulic telescopic rod; 350. a clutch mechanism;
400. a vehicle body; 410. a governor lever; 420. a brake mechanism; 421. a brake executing end; 430. a speed regulating pipe; 440. a transverse frame; 450. a pedal; 451. a foot pedal; 460. a seat support bar; 470. fixing the rod; 480. a front wheel bracket; 490. a front wheel.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 and 2, the pneumatic power-assisted bicycle using brake waste energy of the present embodiment, which is shown in fig. 1 and 2, includes a power-assisted unit 100, a power recovery unit 200, and a bicycle body 400, wherein the bicycle body 400 includes a speed-adjusting lever 410, a brake mechanism 420, a speed-adjusting pipe 430, a transverse frame 440, pedals 450, a seat support lever 460, a fixing lever 470, a front wheel bracket 480, and front wheels 490, the speed-adjusting lever 410 and the brake mechanism 420 are disposed at an upper end of the front wheel bracket 480, a front wheel 490 is disposed at a lower end of the front wheel bracket 480, the speed-adjusting pipe 430 is disposed at an outer side of the front wheel bracket 480, and the transverse frame 440 is fixedly connected to the front wheel bracket 480. A seat support rod 460 is fixedly arranged at one end, far away from the front wheel bracket 480, of the transverse frame 440, a fixing rod 470 is fixedly connected to the upper end of the seat support rod 460, the fixing rod 470 is horizontally arranged, pedals 450 are fixedly connected to the lower ends of the seat support rod 460 and the front wheel bracket 480, and pedals 451 are arranged in the pedals 450.
The power assisting unit 100 of the embodiment comprises an energy supply air tank 110, an on-off valve 120, a pneumatic motor 130 and a power wheel 140, wherein the power wheel 140 and a pedal 451 rotate coaxially, the speed regulating rod 410 is connected with the on-off valve 120 through a pull wire, and the valve opening degree of the on-off valve 120 can be adjusted when the speed regulating rod 410 rotates. Energy supply gas tank 110 fixed connection is in the lower extreme of horizontal frame 440, energy supply gas tank 110 and horizontal frame 440 parallel arrangement, and energy supply gas tank 110 passes through air supply pipe 111 and links to each other with pneumatic motor 130, and this pneumatic motor 130 sets up in footboard 450, pneumatic motor 130 passes through drive chain 150 and is connected with power wheel 140, and energy supply gas tank 110 passes through air supply pipe 111 and carries high-pressure gas to pneumatic motor 130 and drive pneumatic motor 130 and rotate, and pneumatic motor 130 drives power wheel 140 and rotates when pivoted, be equipped with ooff valve 120 between energy supply gas tank 110 and the pneumatic motor 130. When the device needs to be assisted, the switch valve 120 is opened, high-pressure gas in the energy supply gas tank 110 flows out, work is performed on the pneumatic motor 130, the pneumatic motor 130 is driven to rotate, and the pneumatic motor 130 rotates to drive the power wheel 140 to rotate through the transmission chain 150. The power wheel 140 is a rear wheel of the bicycle, a flywheel 160 is arranged on one side of the power wheel 140, the flywheel 160 and the power wheel 140 rotate coaxially, the flywheel 160 is used for increasing the inertia of the power wheel 140, and partial energy of the power wheel 140 can be stored to overcome the resistance of other strokes, so that the power wheel 140 rotates uniformly.
The power recovery unit 200 of this embodiment includes energy storage gas pitcher 210, compression cylinder 220 and clutch drive wheel 230, energy storage gas pitcher 210 fixed connection is in the lower extreme of horizontal frame 440, energy storage gas pitcher 210 and horizontal frame 440 parallel arrangement, and energy supply gas pitcher 110 passes through gas pitcher connecting pipe 211 with energy storage gas pitcher 210 to be connected, be equipped with the one-way pneumatic valve 212 of gas pitcher on the gas pitcher connecting pipe 211. The compression cylinder 220 is fixedly arranged at one end of the fixing rod 470, the compression cylinder 220 is vertically arranged, and the axis of the compression cylinder 220 and the center of the power wheel 140 are positioned on the same vertical line.
The clutch transmission wheel 230 of the embodiment is arranged on one side of the power wheel 140 and rotates coaxially with the power wheel 140, the clutch transmission wheel 230 is connected with a compression piston 221 on a compression cylinder 220 through a transmission rod 231, a compression cylinder outlet 227 of the compression cylinder 220 is connected with an energy storage gas tank 210 through a compression cylinder outlet pipe 228, the energy storage gas tank 210 is connected with an energy supply gas tank 110 of the power assisting unit 100 through a gas tank connecting pipe 211, an adjusting piston 229 is arranged at the upper end of the compression cylinder 220, a clearance adjusting mechanism 340 is arranged at the upper end of the compression cylinder 220, the adjusting piston 229 is connected with the clearance adjusting mechanism 340, and the clearance control adjusting mechanism 340 adjusts the adjusting piston 229 of the compression cylinder 220, thereby adjusting the compression ratio of the. The compression piston 221 is provided with a piston connecting block 222, the piston connecting block 222 is connected with a clutch connecting block 232 on a clutch driving wheel 230 through a driving rod 231, the upper end of the compression cylinder 220 is provided with a limiting block 223, the side wall of the lower end of the limiting block 223 is provided with a first one-way air inlet valve 224 and a first one-way air outlet valve 226, and the first one-way air outlet valve 226 is connected with the energy storage air tank 210 through a compression cylinder air outlet pipe 228. A first one-way outlet valve 226 is provided at the cylinder outlet 227, the first one-way inlet valve 224 is fluidly connected to the outside of the compression cylinder 220, and the first one-way outlet valve 226 is fluidly connected to the cylinder outlet 228 from the compression cylinder 220.
When power recovery is needed, the clutch transmission wheel 230 contacts with the power wheel 140 and coaxially rotates, the clutch transmission wheel 230 drives the transmission rod 231 to move, the transmission rod 231 drives the compression piston 221 to move up and down in the compression cylinder 220, the lower end of the compression cylinder 220 is provided with a second one-way air inlet valve 241 and a second one-way air outlet valve 242, the second one-way air outlet valve 242 is communicated with the compression cylinder air outlet pipe 228 through a second air outlet pipe 243, the lower end of the compression cylinder 220 forms a second air chamber 240, the transmission rod 231 drives the compression piston 221 to move up and down in the compression cylinder 220, when the compression piston 221 wants to move up, the first one-way intake valve 224 is not closed due to the flow direction, the first one-way exhaust valve 226 is opened, meanwhile, a second one-way air inlet valve 241 in the second air cavity 240 is opened, a second one-way air outlet valve 242 is closed, and air in the compression cylinder 220 enters the compression cylinder air outlet pipe 228 through the compression cylinder outlet 227 and then enters the energy storage air tank 210; when the compression piston 221 moves downwards, the first one-way air outlet valve 226 is closed due to the fact that the flow direction is not closed, the first one-way air inlet valve 224 is opened, outside air enters the compression cylinder 220 through the first one-way air inlet valve 224, meanwhile, the second one-way air inlet valve 241 in the second air cavity 240 is closed, the second one-way air outlet valve 242 is opened, compressed air in the second air cavity 240 enters the second air outlet pipe 243 through the second one-way air outlet valve 242, one compression cycle is completed, two times of compression are performed in one cycle, and the compression efficiency is higher.
One side of the clutch transmission wheel 230 is provided with a clutch mechanism 350, the clutch mechanism 350 is connected with the brake mechanism 420 on the vehicle body 400, and the clutch mechanism 350 is used for controlling the clutch transmission wheel 230 to be in contact with the power wheel 140. When the speed of the device is low, the speed regulating rod 410 is regulated to increase the opening degree of the switch valve 120, and meanwhile, the clutch transmission wheel 230 is disconnected from the power wheel 140, so that the rotating speed of the pneumatic motor 130 is increased, and the speed of the device is increased; when braking is needed, the speed adjusting rod 410 is stopped to adjust so that the switch valve 120 is closed, the brake mechanism 420 controls the clutch mechanism 350, the clutch transmission wheel 230 is in contact with the power wheel 140, the power wheel 140 drives the clutch transmission wheel 230 to rotate, the clutch transmission wheel 230 drives the compression cylinder 220 to compress, the rotating speed of the pneumatic motor 130 is reduced, and the device speed is reduced.
The clearance adjusting mechanism 340 of the present embodiment includes a hydraulic cylinder 341 and a hydraulic telescopic rod 342, the clearance adjusting mechanism 340 is connected to the brake mechanism 420 through a brake cable, one end of the hydraulic telescopic rod 342 is fixedly connected to the adjusting piston 229, and the other end is disposed in the hydraulic cylinder 341, and the clearance adjusting mechanism 340 is used for adjusting the volume of the compression cylinder 220. When the speed needs to be reduced, the brake mechanism 420 controls the clutch mechanism 350, so that the clutch transmission wheel 230 is in contact with the power wheel 140, and after the brake mechanism 420 is started, the brake execution end 421 of the brake mechanism 420 pushes the clutch mechanism 350 to move towards the power wheel 140, so that the clutch transmission wheel 230 is in contact with the power wheel 140; meanwhile, the adjusting piston 229 in the clearance adjusting mechanism 340 moves downward, so that the volume of the compression cylinder 220 is reduced, the compression ratio is increased, the resistance on the power wheel 140 is increased, and the speed is reduced.
Energy supply gas pitcher 110 in this embodiment is connected through gas pitcher connecting pipe 211 with energy storage gas pitcher 210, be equipped with gas pitcher check gas valve 212 on the gas pitcher connecting pipe 211, the flow direction of gas pitcher check gas valve 212 is for leading to energy supply gas pitcher 110 from energy storage gas pitcher 210, and high-pressure gas in the energy supply gas pitcher 110 is along with using constantly to reduce, and when the gas pressure in the energy supply gas pitcher 110 is less than the gas pressure in the energy storage gas pitcher 210, gas in the energy storage gas pitcher 210 gets into energy supply gas pitcher 110 through gas pitcher connecting pipe 211, supplements energy supply gas.
The stroke of the compression piston 221 is equal to the diameter D of the clutch transmission wheel 230, and the stroke of the compression piston 221 is smaller than the distance L between the limiting block 223 and the bottom of the compression cylinder 220. The stroke of the compression piston 221 is equal to the diameter D of the clutch transmission wheel 230, when the clutch connection block 232 rotates to the lowest end of the clutch transmission wheel 230, the compression piston 221 moves to the bottom of the compression cylinder 220, the transmission rod 231 is located on the same vertical line with the centers of the compression piston 221 and the power wheel 140 and is located at the dead point position, but the flywheel 160 increases the inertia of the power wheel 140, so that the power wheel 140 can easily overcome the dead point position. The stroke of the compression piston 221 is smaller than the distance L between the limiting block 223 and the bottom of the compression cylinder 220, so that when the power wheel 140 rotates, the problem of device locking caused by the fact that the stroke of the compression piston 221 is too small can be avoided.
The working flow of the bicycle of the embodiment is as follows: when the bicycle is in driving, when power assistance is needed, the speed regulating rod 410 is adjusted to increase the opening degree of the switch valve 120, high-pressure gas in the energy supply gas tank 110 flows out, the high-pressure gas in the energy supply gas tank 110 enters the pneumatic motor 130 through the gas supply pipe 111, the high-pressure gas pushes the pneumatic motor 130 to rotate, the pneumatic motor 130 drives the power wheel 140 to rotate through the transmission chain 150, meanwhile, the brake mechanism 420 stops working, the clutch mechanism 350 controls the clutch transmission wheel 230 to be disconnected from the power wheel 140, the compression cylinder 220 stops compressing, the bicycle completes power assistance acceleration, the power assistance effect changes along with the rotation amplitude of the speed regulating rod 410, when the rotation amplitude of the speed regulating rod 410 is increased, the opening degree of the switch valve 120 is increased, the amount of the high-pressure gas in the energy supply gas tank 110 entering the pneumatic motor 130 through the gas supply pipe 111 in unit time is increased, the high-pressure gas does more work on the pneumatic, the power wheel 140 rotates faster and the bicycle is faster. When braking and speed reduction are needed, the speed regulating rod 410 is rotated and reset, at the moment, the switch valve 120 is closed, the brake mechanism 420 is adjusted, the brake mechanism 420 drives the clutch mechanism 350 and the clearance adjusting mechanism 340, the clutch mechanism 350 controls the clutch transmission wheel 230 to be in contact with the power wheel 140, the power wheel 140 drives the clutch transmission wheel 230 to rotate, the clutch connecting block 232 on the clutch transmission wheel 230 rotates along with the rotation of the clutch transmission wheel 230, the clutch connecting block 232 drives the transmission rod 231 to move while rotating, the transmission rod 231 drives the compression piston 221 to move up and down in the compression cylinder 220, when the compression piston 221 moves upwards, the first one-way air inlet valve 224 is closed due to the flow direction obstruction, the first air outlet one-way valve 226 is opened, and air in the compression cylinder 220 enters the compression cylinder air outlet pipe 228 through the compression cylinder outlet 227; when the compression piston 221 moves downward, the first one-way air outlet valve 226 is closed due to the flow direction being blocked, the first one-way air inlet valve 224 is opened, and the external air enters the compression cylinder 220 through the air inlet 225 and the first one-way air inlet valve 224, and the compression cylinder 220 blocks the rotation of the power wheel 140. And the brake mechanism 420 drives the clearance adjusting mechanism 340 to work, and the adjustment of the rotation amplitude of the brake mechanism 420 can adjust the telescopic length of the hydraulic telescopic rod 342 on the clearance adjusting mechanism 340, so as to adjust the position of the adjusting piston 229 in the compression cylinder 220, adjust the volume of the compression cylinder 220, adjust the compression ratio, adjust the resistance of the power wheel 140, and decelerate.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides an utilize pneumatic power-assisted bicycle of brake complementary energy which characterized in that: comprises that
The power assisting device comprises a power assisting unit (100), wherein the power assisting unit (100) comprises a power supply air tank (110), and the power supply air tank (110) is used for outputting pneumatic power assisting;
the power recovery unit (200) comprises an energy storage gas tank (210) and a compression cylinder (220), a compression piston (221) capable of moving linearly is arranged in the compression cylinder (220), the compression piston (221) is used for compressing gas, one end of the compression cylinder (220) is provided with an adjusting piston (229) capable of moving linearly, the adjusting piston (229) can move along the length direction of the compression cylinder (220), the compression cylinder (220) is connected with the energy storage gas tank (210) through a compression cylinder gas outlet pipe (228), compressed gas is conveyed to the energy storage gas tank (210) through the compression cylinder gas outlet pipe (228), and the energy storage gas tank (210) and the energy supply gas tank (110) are provided with gas tank one-way gas valves (212); an adjusting piston (229) is arranged at the upper end of the compression cylinder (220), a clearance adjusting mechanism (340) is arranged at the upper end of the compression cylinder (220), and the adjusting piston (229) is connected with the clearance adjusting mechanism (340); the clearance adjusting mechanism (340) comprises a hydraulic cylinder (341) and a hydraulic telescopic rod (342), one end of the hydraulic telescopic rod (342) is fixedly connected with the adjusting piston (229), the other end of the hydraulic telescopic rod is arranged in the hydraulic cylinder (341), and the clearance adjusting mechanism (340) is used for adjusting the volume of the compression cylinder (220);
the power assisting device comprises a vehicle body (400), wherein a power assisting unit (100) and a power recovering unit (200) are arranged on the vehicle body (400), the power assisting unit (100) is used for providing pneumatic power assistance for power wheels (140) of the vehicle body (400), and the power recovering unit (200) is used for recovering mechanical energy of the power wheels (140) in the process of speed reduction; the vehicle body (400) is provided with a brake mechanism (420), and the brake mechanism (420) is connected with the clearance adjusting mechanism (340).
2. The pneumatic power-assisted bicycle using the brake complementary energy as claimed in claim 1, wherein: the power assisting unit (100) comprises an energy supply gas tank (110), a pneumatic motor (130) and a power wheel (140), the energy supply gas tank (110) is arranged on a transverse frame (440) of the vehicle body (400), the pneumatic motor (130) is arranged in a pedal (450), the energy supply gas tank (110) is connected with the pneumatic motor (130) through a gas supply pipe (111), the pneumatic motor (130) is connected with the power wheel (140) through a transmission chain (150), the energy supply gas tank (110) conveys high-pressure gas to the pneumatic motor (130) through the gas supply pipe (111) to drive the pneumatic motor (130) to rotate, the pneumatic motor (130) rotates to drive the power wheel (140) to rotate, a switch valve (120) is arranged between the energy supply gas tank (110) and the pneumatic motor (130), and the switch valve (120) is connected with a speed adjusting rod (410) of the vehicle body (400).
3. The pneumatic power-assisted bicycle using the brake complementary energy as claimed in claim 2, wherein: a clutch driving wheel (230) is arranged on one side of the power wheel (140), the clutch driving wheel (230) and the power wheel (140) rotate coaxially, the clutch driving wheel (230) is connected with a compression piston (221) on a compression cylinder (220) through a driving rod (231), a compression cylinder outlet (227) of the compression cylinder (220) is connected with an energy storage gas tank (210) through a compression cylinder gas outlet pipe (228), and the energy storage gas tank (210) is connected with an energy supply gas tank (110) of the power assisting unit (100) through a gas tank connecting pipe (211).
4. A pneumatic power-assisted bicycle using the complementary energy of braking as claimed in claim 3, wherein: the compression cylinder (220) is arranged at the tail end of a fixing rod (470) of the frame, a compression piston (221) is arranged in the compression cylinder (220), a piston connecting block (222) is arranged on the compression piston (221), the piston connecting block (222) is connected with a clutch connecting block (232) on a clutch driving wheel (230) through a transmission rod (231), a limiting block (223) is arranged in the upper end of the compression cylinder (220), a first one-way air inlet valve (224) and a first one-way air outlet valve (226) are arranged in the side wall of the lower end of the limiting block (223), and the first one-way air outlet valve (226) is connected with an energy storage air tank (210) through a compression cylinder air outlet pipe.
5. The pneumatic power-assisted bicycle using the brake complementary energy as claimed in claim 4, wherein: one side of the clutch transmission wheel (230) is provided with a clutch mechanism (350), the clutch mechanism (350) is connected with a brake mechanism (420) on the vehicle body (400), and the clutch mechanism (350) is used for controlling the clutch transmission wheel (230) to be in contact with the power wheel (140).
6. The pneumatic power-assisted bicycle using the brake complementary energy as claimed in claim 4, wherein: the stroke of the compression piston (221) is equal to the diameter D of the clutch transmission wheel (230), and the stroke of the compression piston (221) is smaller than the distance L between the limiting block (223) and the bottom of the compression cylinder (220).
7. The pneumatic power-assisted bicycle using the brake complementary energy as claimed in claim 4, wherein: the first one-way air outlet valve (226) is arranged on an outlet (227) of the compression cylinder, the flow direction of the first one-way air inlet valve (224) is from the outside of the compression cylinder (220) to the inside of the compression cylinder (220), the flow direction of the first one-way air outlet valve (226) is from the compression cylinder (220) to the air outlet pipe (228) of the compression cylinder, the lower end of the compression cylinder (220) is provided with a second one-way air inlet valve (241) and a second one-way air outlet valve (242), the second one-way air outlet valve (242) is communicated with the air outlet pipe (228) of the compression cylinder through a second air outlet pipe (243), and the lower end of the compression cylinder (220) forms a second air cavity.
8. The pneumatic power-assisted bicycle using the brake complementary energy as claimed in claim 5, wherein: the speed adjusting rod (410) and the brake mechanism (420) are arranged at the upper end of a front wheel support (480) of the vehicle body (400), a front wheel (490) is arranged at the lower end of the front wheel support (480), and the speed adjusting rod (410) is connected with the switch valve (120) through a pull wire.
9. A pneumatic power-assisted bicycle using brake complementary energy according to any one of claims 1 to 8, wherein: a flywheel (160) is arranged on one side of the power wheel (140), and the flywheel (160) and the power wheel (140) rotate coaxially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304773.7A CN108382521B (en) | 2018-03-30 | 2018-03-30 | Pneumatic power-assisted bicycle utilizing brake waste energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304773.7A CN108382521B (en) | 2018-03-30 | 2018-03-30 | Pneumatic power-assisted bicycle utilizing brake waste energy |
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| CN108382521B true CN108382521B (en) | 2020-09-04 |
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| CN201810304773.7A Active CN108382521B (en) | 2018-03-30 | 2018-03-30 | Pneumatic power-assisted bicycle utilizing brake waste energy |
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| CN109552539A (en) * | 2019-01-08 | 2019-04-02 | 大连识汇岛科技服务有限公司 | A kind of new energy Pneuamtic boosted bicycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1914717A1 (en) * | 1969-03-22 | 1970-10-15 | Krupp Gmbh | Opposite piston machine, especially opposed piston engine |
| US5934228A (en) * | 1997-12-31 | 1999-08-10 | Wheat; Fred O. | Adjustable combustion chamber internal combustion engine |
| FR2956452B1 (en) * | 2010-02-17 | 2012-04-06 | Vianney Rabhi | DOUBLE-EFFECT PISTON COMPRESSOR GUIDED BY A ROLLER AND DRIVEN BY A WHEEL AND CREMAILLERES |
| CN202047902U (en) * | 2011-03-22 | 2011-11-23 | 曲峰 | Variable compression ratio engine |
| CN204056190U (en) * | 2014-08-26 | 2014-12-31 | 齐鲁工业大学 | Gas-electricity power combined bicycle |
| KR101730879B1 (en) * | 2015-05-19 | 2017-04-28 | 여태순 | Bike with energy recovery device |
| CN105937442A (en) * | 2015-12-21 | 2016-09-14 | 宁波星豪汽车维修有限公司 | Internal combustion engine compression ratio adjusting system |
| CN107792284B (en) * | 2017-10-31 | 2020-05-12 | 重庆大学 | Bicycle with pneumatic type braking energy storage structure |
| CN208053550U (en) * | 2018-03-30 | 2018-11-06 | 安徽工程大学 | A kind of Pneuamtic boosted bicycle convenient for adjusting efficiency |
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