CN202125319U - Two-stage expansion piston type pneumatic engine device - Google Patents
Two-stage expansion piston type pneumatic engine device Download PDFInfo
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- CN202125319U CN202125319U CN2010206989170U CN201020698917U CN202125319U CN 202125319 U CN202125319 U CN 202125319U CN 2010206989170 U CN2010206989170 U CN 2010206989170U CN 201020698917 U CN201020698917 U CN 201020698917U CN 202125319 U CN202125319 U CN 202125319U
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Abstract
The utility model discloses a two-stage expansion piston type pneumatic engine device. A reducing valve is connected with a gas tank by a hose, one end of a throttle valve is connected with the reducing valve, the other end of the throttle valve is connected with a valve port at the lower end of an electromagnetic directional valve, another valve port is connected with a transition gas tank and a heat exchange system, two valve ports at the upper end of the electromagnetic directional valve are connected with a first-stage cylinder, a piston rod in the first-stage cylinder is connected with the right end of a rack, and the left end of the rack is connected with a second-stage cylinder; a cylindrical upper gear is arranged above the rack, a cylindrical lower gear is arranged below the rack, and the rack and the upper gear as well as the lower gear form two gear pairs; and the two valve ports at the upper end of the electromagnetic directional valve are connected with two working cavities of the second-stage cylinder by a hose, one valve port at the lower end of the electromagnetic directional valve is connected with the transition gas tank and the heat exchange system by the hose, and another valve port is connected with the outside environment by a hose. The two-stage expansion piston type pneumatic engine device is a car power device using compressed air as a power source, thus being capable of replacing gasoline, diesel oil or liquefied petroleum gas to drive vehicles for driving, and truly realizing zero emission of automobile tail gas.
Description
Technical field
The utility model relates to and uses pressurized air as power source, the power plant that can powered vehicle go, the pneumatic engine device of particularly a kind of double expansion piston type.
Background technique
According to statistics, at present whole world consumption of petroleum amount every day is about 50,000,000 barrels, accounts for 50% and wherein be used for the communications and transportation aspect, therein, automobile account for 80% with oil.The verified oil reserves in the whole world is calculated only available about 40 years by present consumption of petroleum amount at present.Therefore, if still with the unique energy of oil as automobile power, automotive industry will be walked to be at the end soon.On the other hand, vehicle exhaust has become the first pollution sources of pollutants such as CO, NOx and CH in China big city.The great amount of carbon dioxide gas that burning is discharged is the main cause that causes global greenhouse effect.The incomplete combustion of automotive fuel also becomes one of reason that suspending particulate matter increases in the air.
In order to solve or postpone aspect problems such as the energy that automobile industry development brings, environment, modern engine is employed new technology and is reduced discharging and fuel consumption rate.But; No matter be the advanced electron spraying system motor of employing, install TWC Three Way Catalyst System additional, adopt technology such as exhaust gas recirculation, mixed power; Still adopt alternative fuel engines such as compressed natural gas, LPG; Automobile power all is to be the basis with the internal-combustion engine, can only reduce the discharge amount of dusty gas, can not realize truly " zero-emission ".
Chinese patent CN1851260A has proposed a kind of vehicle motor that uses compressed air, utilizes clean energy resource---and pressurized air promotes steam-cylinder piston, and is similar with ordinary internal combustion engine through the slidercrank mechanism outputting power.Also further investigate in Zhejiang University's thesis for the doctorate " air motor working procedure and key components and parts optimization research ", and on the water-cooled diesel engine basis, transform the expansion experimental study to this driving structure.Though they have utilized pressurized gas to carry out expansion working; But on drive mechanism, still adopt slidercrank mechanism, just work done when its chamber expands the promotion piston, and not work done when the piston revesal is moved; And the not work done of lateral force of crank countercylinder influences system works efficient.
The model utility content
The purpose of the utility model is to provide a kind of automotive powerplant that uses the compressed air source, pressurized air ability gasoline replacing, diesel oil or the LP gas fuel of use, and powered vehicle is gone, and can realize real " zero-emission " of vehicle exhaust.
The technical solution that realizes the utility model purpose is: the pneumatic engine device of a kind of double expansion piston type comprises gas tank, one-level cylinder, secondary cylinder, reduction valve, throttle valve, solenoid directional control valve, tooth bar, cogs, lower gear and transition gas tank and heat-exchange system; Reduction valve links to each other with gas tank through flexible pipe; One end of throttle valve connects reduction valve; The other end of throttle valve links to each other with a valve port of solenoid directional control valve lower end, and another valve port is connected to transition gas tank and heat-exchange system, and two valve ports of solenoid directional control valve upper end are connected to the one-level cylinder; Piston rod in the one-level cylinder directly is connected with the right-hand member of tooth bar, and the left end of tooth bar directly links to each other with secondary cylinder; The top of tooth bar is provided with a cylinder and cogs, and the below of tooth bar is provided with a cylinder lower gear, tooth bar with cog with lower gear formed two pairs of gear pairs; Two valve ports of solenoid directional control valve upper end are connected with two active chambers of secondary cylinder respectively through flexible pipe, and a valve port of solenoid directional control valve lower end is connected with transition gas tank and heat-exchange system through flexible pipe, and another valve port is connected to external environment through flexible pipe.
The utility model compared with prior art; Its remarkable advantage: (1) the utility model adopts two-stage cylinder expansion working; The exhaust that is the one-level cylinder utilizes dump energy once more as the source of the gas of secondary cylinder, wherein absorbs extraneous portion of energy through over-heat-exchanger again, has improved the energy utilization efficiency.(2) the ouput force direction of cylinder is identical with tooth bar moving direction, no lateral force loss, and energy transfer efficiency is higher than the piston crank structure of traditional combustion engine.Two side cavity of (3) cylinders are all as active chamber, the two-way power that provides of to-and-fro motion, and the power output of output shaft is comparatively steady, compact structure.
Description of drawings
Fig. 1 is the pressure control loop system schematic according to the pneumatic motor of double expansion piston type of the utility model proposition.
Fig. 2 is the mechanical transmission output system schematic representation of the utility model.
Fig. 3, Fig. 4, Fig. 5 and Fig. 6 are that the gear unidirectional power of the utility model transmits schematic representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Be illustrated in figure 1 as the pressure control loop system schematic of the utility model.Comprising a gas tank 1 is arranged; The pressurized gas that 30Mpa is arranged in the gas tank; Comprise that one-level cylinder 5, secondary cylinder 8, reduction valve 2, throttle valve 3, first solenoid directional control valve 4, second solenoid directional control valve 9, reduction valve 2 are connected with 1 through flexible pipe, its effect is the pressurized gas of the 30Mpa 1Mpa that reduces pressure.One end of throttle valve 3 connects reduction valve 2, and the other end of throttle valve 3 links to each other with a valve port of first solenoid directional control valve, 4 lower ends, the effect of throttle valve 3 be can adjustments of gas flow big or small.A valve port of the lower end of first solenoid directional control valve 4 is connected to throttle valve 3, and another valve port is connected to transition gas tank and heat-exchange system 10, and the effect of transition gas tank and heat-exchange system 10 is the heats that can make the GAS ABSORPTION external environment of process.The valve port in two valve ports in first solenoid directional control valve, 4 upper ends and the right active chamber of cylinder 5 are connected, and the left active chamber of another valve port and cylinder 5 is connected.The piston rod of one-level cylinder 5 connects through the screw thread drive fit with the right-hand member of tooth bar 6, and the piston rod of secondary cylinder 8 connects through the screw thread drive fit with the left end of tooth bar 6.The upper and lower surface of tooth bar 6 all has tooth, about end a tapped hole respectively arranged.Tooth bar 6 a cylindrical gears 7 respectively arranged up and down, tooth bar 6 has been formed two pairs of gear pairs with cog 7-1 and lower gear 7-2.A right active chamber through flexible pipe and secondary cylinder 8 in two valve ports of second solenoid directional control valve, 9 upper ends is connected, and the left active chamber of another valve port and secondary cylinder 8 is connected.A valve port of the lower end of second solenoid directional control valve 9 is connected with transition gas tank and heat-exchange system 10 through flexible pipe, and another valve port is connected to external environment through flexible pipe.After device is started working; Pressurized gas are charged into the right side active chamber of one-level cylinder 5 by first solenoid directional control valve 4 through reduction valve 2 and throttle valve 3 from gas tank 1; After gas in the left side active chamber of one-level cylinder 5 absorbs external heat through transition gas tank and heat-exchange system 10 simultaneously; Charge into the right side active chamber of secondary cylinder 8; One-level cylinder 5 and pressurized gas in the secondary cylinder 8 promote piston rod and tooth bar 6 simultaneously to left movement, and the gas in the left side active chamber of secondary cylinder 8 is discharged in the external environment.
When moving, tooth bar 6 arrives the end of movement travel left; First solenoid directional control valve 4 and second solenoid directional control valve, 9 intake and exhaust switching-over; Post-decompression gas charges into the left side active chamber of one-level cylinder 5; The gas that the lastrow journey charges in the right side active chamber of one-level cylinder 5 simultaneously charges into the left side active chamber of secondary cylinder 8 through transition gas tank and heat-exchange system 10; Pressurized gas in one-level cylinder 5 and the secondary cylinder 8 promotes piston rod simultaneously and tooth bar 6 moves right, and the gas in the secondary cylinder 8 right side active chambers is discharged in the external environment.
When cylinder piston moves to end of travel, make the solenoid directional control valve switching-over once more, continue the repetition said process, so reciprocation cycle drives tooth bar 6 to-and-fro motion.
When moving, tooth bar 6 arrives the end of movement travel left, first solenoid directional control valve 4 and second solenoid directional control valve, 9 intake and exhaust switching-over.The push rod of cylinder 5 and secondary cylinder 8 promotes tooth bar 6 and moves right.When tooth bar 6 arrives the movement travel of right-hand member, first solenoid directional control valve 4 and second solenoid directional control valve, 9 intake and exhaust switching-over, tooth bar reversing motion.Entire work process reciprocation cycle like this.
In conjunction with Fig. 2,3,4,5,6; When the push rod of cylinder 5 and secondary cylinder 8 promotes tooth bar 6 motions; Drive 7-1 and the lower gear 7-2 rotation that cogs, the 7-1 that cogs, lower gear 7-2, gear I12-1 and gear II12-2 go up the inboard respectively has a chute, connects with unilateral bearing through flat key.The 7-1 that cogs connects with unilateral bearing 16 through flat key 18, and respectively there is a chute in the interior outside of unilateral bearing 16, and flat key 17 connects unilateral bearing 16 and transmission shaft I11-1.Gear I12-1 is installed in the other end of transmission shaft I11-1, and gear I12-1 connects with unilateral bearing 19 through flat key 21, and flat key 20 connects unilateral bearing 19 and transmission shaft I11-1.Lower gear 7-2 connects with unilateral bearing 22 through flat key 24, and flat key 23 connects unilateral bearing 22 and transmission shaft II11-2.Axle I11-1, axle II11-2 each side have a keyway, connect with the 7-1 that cogs, lower gear 7-2, gear I12-1 and gear II12-2 respectively through flat key.Gear II12-2 is installed in the other end of transmission shaft 12-2, and gear II12-2 connects with unilateral bearing 25 through flat key 27, and flat key 26 connects unilateral bearing 25 and transmission shaft II11-2.The effect of unilateral bearing 16, unilateral bearing 19, unilateral bearing 22 and unilateral bearing 25 is the transferring power that can only turn clockwise, and another direction can only dally can not transferring power.When tooth bar 6 during to left movement, drive the 7-1 that cogs and turn clockwise, the 7-1 that cogs turns clockwise through transmission shaft I11-1 driven gear I12-1, and driven gear III13 is rotated counterclockwise, and gear I12-1 and gear II12-2 and gear III13 mesh.There is a keyway on the right side of output shaft 15, and gear III13 is connected with pto 15 through flat key 14.Gear III13 is rotated counterclockwise, and drives pto 15 rotations, output mechanical energy.Simultaneously lower gear 7-2 is rotated counterclockwise, but because unilateral bearing 25 can only turn clockwise transferring power, transmission shaft II11-2 is motionless.When tooth bar 6 moved right, lower gear 7-2 turned clockwise, and drove transmission shaft II11-2 and gear II12-2 rotation, and gear II12-2 driven gear III13 and pto 15 are rotated counterclockwise output mechanical energy then.Cog 7-1 when tooth bar moves right, can not transferring power because of the effect of unilateral bearing 16, transmission shaft I11-1 is motionless.When tooth bar 6 moves back and forth, whole power transmission process reciprocation cycle like this.
Adopt the utility model scheme to carry out theoretical calculation: to establish the pressurized gas 0.3m that has stored 30Mpa in the gas tank
3, weight is that the dolly of 1000kg is with the speed per hour of 60km/h per hour.Rolling coefficient in road surface is 0.01, and coefficient of air resistance is 0.5, wind-exposuring area 1.5/m
2, air density is 1.2258kg/m
3, machinery driving efficiency is 0.9.
[0018] adiabatic expansion acting makes the automobile 69.4km that can go, and the isothermal expansion acting can make automobile running 188.5km.General gas acting is between adiabatic expansion acting and the isothermal expansion acting, also is that the distance of going of automobile is between 69.4～188.5km.
Claims (10)
1. pneumatic engine device of double expansion piston type; Comprise gas tank, one-level cylinder [5], secondary cylinder [8], it is characterized in that: also comprise reduction valve [2], throttle valve [3], first solenoid directional control valve [4], second solenoid directional control valve [9], tooth bar [6], cog [7-1], lower gear [7-2] and transition gas tank and heat-exchange system [10]; Reduction valve [2] links to each other with gas tank [1] through flexible pipe; One end of throttle valve [3] connects reduction valve [2]; The other end of throttle valve [3] links to each other with a valve port of first solenoid directional control valve [4] lower end, and another valve port is connected to transition gas tank and heat-exchange system [10], and two valve ports of first solenoid directional control valve [4] upper end are connected to one-level cylinder [5]; The piston rod of one-level cylinder [5] lining directly is connected with the right-hand member of tooth bar [6], and the left end of tooth bar [6] directly links to each other with secondary cylinder [8]; The top of tooth bar [6] is provided with a cylinder and cogs [7-1], and the below of tooth bar [6] is provided with a cylinder lower gear [7-2], tooth bar [6] with cog [7-1] and lower gear [7-2] has been formed two pairs of gear pairs; Two valve ports of second solenoid directional control valve [9] upper end are connected with two active chambers of secondary cylinder [8] respectively through flexible pipe; A valve port of second solenoid directional control valve [9] lower end is connected with transition gas tank and heat-exchange system [10] through flexible pipe, and another valve port is connected to external environment through flexible pipe.
2. the pneumatic engine device of double expansion piston type according to claim 1; It is characterized in that: cog [7-1] is connected with unilateral bearing [16] through flat key [18]; Flat key [17] connects unilateral bearing [16] and transmission shaft I [11-1], and gear I [12-1] is installed in the other end of transmission shaft I [11-1]; Gear I [12-1] connects with unilateral bearing [19] through flat key [21]; Flat key [20] connects unilateral bearing [19] and transmission shaft I [11-1]; Lower gear [7-2] connects with unilateral bearing [22] through flat key [24]; Flat key [23] connects unilateral bearing [22] and transmission shaft II [11-2], and gear II [12-2] is installed in the other end of transmission shaft II [11-2]; Gear II [12-2] connects with unilateral bearing [25] through flat key [27]; Flat key [26] connects unilateral bearing [25] and transmission shaft [11-2]; Gear I [12-1] and gear II [12-2] and gear III [13] engagement, gear III [13] is connected with pto [15] through flat key [14].
3. the pneumatic engine device of double expansion piston type according to claim 1; It is characterized in that: the valve port in two valve ports in first solenoid directional control valve [4] upper end and the right active chamber of cylinder [5] are connected, and the left active chamber of another valve port and cylinder [5] is connected.
4. the pneumatic engine device of double expansion piston type according to claim 1; It is characterized in that: a right active chamber with cylinder [8] in two valve ports in second solenoid directional control valve [9] upper end is connected, and the left active chamber of another valve port and cylinder [8] is connected.
5. the pneumatic engine device of double expansion piston type according to claim 1; It is characterized in that: the piston rod of cylinder [5] connects through the screw thread drive fit with the right-hand member of tooth bar [6], and the piston rod of cylinder [8] connects through the screw thread drive fit with the left end of tooth bar [6].
6. the pneumatic engine device of double expansion piston type according to claim 1 is characterized in that: the upper and lower surface of tooth bar [6] all has tooth, about end a tapped hole respectively arranged.
7. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: respectively there is a chute in the interior outside of unilateral bearing [16].
8. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: cog [7-1], lower gear [7-2], gear I [12-1] and gear II [12-2] go up the inboard respectively has a chute, connects with unilateral bearing through flat key.
9. the pneumatic engine device of double expansion piston type according to claim 1 and 2; It is characterized in that: transmission shaft I [11-1], transmission shaft II [11-2] each side have a keyway, connect with cog [7-1], lower gear [7-2], gear I [12-1] and gear II [12-2] respectively through flat key.
10. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: there is a keyway on the right side of output shaft [15], connects with gear III [13] through flat key [14].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206989170U CN202125319U (en) | 2010-12-30 | 2010-12-30 | Two-stage expansion piston type pneumatic engine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206989170U CN202125319U (en) | 2010-12-30 | 2010-12-30 | Two-stage expansion piston type pneumatic engine device |
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| Publication Number | Publication Date |
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| CN202125319U true CN202125319U (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206989170U Expired - Lifetime CN202125319U (en) | 2010-12-30 | 2010-12-30 | Two-stage expansion piston type pneumatic engine device |
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| CN (1) | CN202125319U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031993A (en) * | 2010-12-30 | 2011-04-27 | 南京理工大学 | Two-stage expansion piston air motor device |
| CN105406642A (en) * | 2015-12-24 | 2016-03-16 | 江苏理工学院 | Electromagnetic piston type gear transmission electromotor |
| CN106415069A (en) * | 2014-03-18 | 2017-02-15 | 串联驱动器公司 | A gear arrangement |
| CN107588165A (en) * | 2017-11-01 | 2018-01-16 | 郭俱全 | A kind of rack and pinion drive mechanism |
| WO2019024912A1 (en) * | 2017-08-03 | 2019-02-07 | 冯袖幅 | Pneumoelectric power device |
| CN110030213A (en) * | 2019-04-08 | 2019-07-19 | 长沙理工大学 | A kind of active hydraulic energy storage device |
| WO2024066151A1 (en) * | 2022-09-28 | 2024-04-04 | 冯袖幅 | Pneumatic power device |
-
2010
- 2010-12-30 CN CN2010206989170U patent/CN202125319U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031993A (en) * | 2010-12-30 | 2011-04-27 | 南京理工大学 | Two-stage expansion piston air motor device |
| CN106415069A (en) * | 2014-03-18 | 2017-02-15 | 串联驱动器公司 | A gear arrangement |
| CN106415069B (en) * | 2014-03-18 | 2020-07-17 | 串联驱动器公司 | Gear device |
| US10724614B2 (en) | 2014-03-18 | 2020-07-28 | Cascade Drives Ab | Gear arrangement |
| CN105406642A (en) * | 2015-12-24 | 2016-03-16 | 江苏理工学院 | Electromagnetic piston type gear transmission electromotor |
| WO2019024912A1 (en) * | 2017-08-03 | 2019-02-07 | 冯袖幅 | Pneumoelectric power device |
| CN107588165A (en) * | 2017-11-01 | 2018-01-16 | 郭俱全 | A kind of rack and pinion drive mechanism |
| CN110030213A (en) * | 2019-04-08 | 2019-07-19 | 长沙理工大学 | A kind of active hydraulic energy storage device |
| WO2024066151A1 (en) * | 2022-09-28 | 2024-04-04 | 冯袖幅 | Pneumatic power device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |