CN208534543U - A kind of air-powered car - Google Patents
A kind of air-powered car Download PDFInfo
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- CN208534543U CN208534543U CN201820370228.3U CN201820370228U CN208534543U CN 208534543 U CN208534543 U CN 208534543U CN 201820370228 U CN201820370228 U CN 201820370228U CN 208534543 U CN208534543 U CN 208534543U
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Abstract
The utility model discloses a kind of air-powered cars, including car body, air motor and high pressure tank are installed on car body, air motor includes engine block, engine block is connected with gearbox by connecting supporting plate, output flange is fixed on gearbox, engine block is provided with air distributing device and fan, air distributing device is connected with valve, valve is connected with air inlet, several groups cylinder is provided in engine block, every group of cylinder includes a level-one cylinder and a secondary cylinder, first stage piston is movably set in level-one cylinder, second piston is movably set in secondary cylinder, first stage piston and second piston are connected on crankshaft, the capacity of level-one cylinder is greater than the capacity of secondary cylinder, with the level-one cylinder of group and the gas circuit serial communication of secondary cylinder.The utility model can improve the deficiencies in the prior art, improve the utilization rate of compressed air, so that the safety of air-powered car and transport capacity are improved.
Description
Technical field
The utility model relates to a kind of carriage of special cargo equipment, especially a kind of air-powered car.
Background technique
Gas explosion accident is the maximum threat of coal production, is taken place frequently in China's coal-mine gas explosion accident, is caused big
The injures and deaths of amount and immeasurable property loss.Nowadays the method for preventing gas explosion accident is mainly during exploitation
First mining coal seam gas is protected for that can produce pyrophoric equipment, is avoided generating spark or is prevented watt of spark and external environment
This contact.But due to the limitation of technical conditions and working environment, still have the case where gas leakage comes out.And work as equipment
Safeguard procedures failure when will generate spark and cause the accident.Such as what the common motor in underground utilized is exactly electric energy,
Service cable will cause damage during pulling repeatedly.The cable of damage generates spark easily to cause accident.At present
Mining trolley be all mainly with anti-explosion diesel engine as power resources, also there is fewer a part to use electric power as energy
Source.Anti-explosion diesel engine itself is since the limitation of driving principle will necessarily generate high temperature and spark, once safeguard procedures failure will
Cause fire and explosion.And the equipment being driven by electricity is used, since aging or collision cause the protective layer of wire surface damaged
There are the risks of sparking.
The pneumatic equipment usually used under mine all has lower compressed air energy service efficiency.All pneumatic equipments
The work for needing trachea that could continue without exception is gone down.The tracheae in equipment is connect as the root for restricting its mobility
This reason.Because pneumatic equipment needs to consume a large amount of compressed air, conventional gas motor can not be as transporter under mine
The power resources of tool.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of air-powered cars, are able to solve the prior art not
Foot, improves the utilization rate of compressed air, so that the safety of air-powered car and transport capacity are improved.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
A kind of air-powered car, including car body are equipped with air motor and high pressure tank, air motor on car body
Including engine block, engine block is connected with gearbox by connecting supporting plate, and output flange, engine block are fixed on gearbox
It is provided with air distributing device and fan, air distributing device is connected with valve, and valve is connected with air inlet, if being provided in engine block
Dry group cylinder, every group of cylinder include a level-one cylinder and a secondary cylinder, are movably set with first stage piston in level-one cylinder,
Second piston is movably set in secondary cylinder, first stage piston and second piston are connected on crankshaft, the capacity of level-one cylinder
Greater than the capacity of secondary cylinder, with the level-one cylinder of group and the gas circuit serial communication of secondary cylinder.
Preferably, the arrangement form of engine block inside cylinder is six cylinder plug formula structure of V-arrangement.
Preferably, being provided with sealing shroud on the outside of valve, sealing shroud is fixedly connected with air distributing device, is provided on sealing shroud
Air inlet is provided with upper surface portion and lower face, the area equation of upper surface portion and lower face on valve.
Preferably, level-one cylinder is connected in gas circuit with secondary cylinder and is provided with heat exchanger, heat exchanger is U-shaped, heat
Wire is provided on the inside of exchanger.
Preferably, the exhaust end of engine block is provided with muffler, muffler includes two groups of gas exhaust pipings, two groups of exhausts
It is connected between pipeline by bypass pipe, the end of gas exhaust piping is provided with noise reduction drum.
Preferably, the ratio between outer diameter of first stage piston and second piston is 1.4:1.
Preferably, high pressure tank is connected to buffering gas tank by gas control needle-valve, buffering gas tank is connected by gas control ball valve
It is connected to throttle, throttle is connected to air motor by heat exchanger, and buffering gas tank is connected separately with low-pressure control valve and height is voltage-controlled
Valve processed, low-pressure control valve and high pressure control valve are connected in parallel to the control terminal of gas control needle-valve, and buffering gas tank is connected with pressure reducing valve, subtracts
Pressure valve is respectively connected to high pressure control valve, air horn control valve, scram button and start button, and air horn control valve is connected with gas
Loudspeaker, scram button and start button are connected in parallel with Pneumatic reversal valve, and Pneumatic reversal valve is connect with the control terminal of gas control ball valve.
Brought beneficial effect is by adopting the above technical scheme:
1. as a source of power using compressed air, securely and reliably.
2, engine is six cylinder plug formula structure of V-type, and using the frame mode that double expansion is done manual work, Gas Energy Source is utilized
Rate is higher, and under Same Efficieney, air consumption is small: more powerful under same air consumption.
3, engine air-intake structure uses the valve of new construction, so that engine charge end is good still to guarantee when high pressure gas
Good air-tightness.
4, air distribution system and crankcase designs have an independent lubricating system, without connecting oil sprayer when work, improve work effect
Rate.
5, by design H branch cast muffler, it is preferably minimized noise level, improves the operating environment of worker.
6, air consumption is only 5m when engine power is 7KW3。
7, engine is driven using Double-gear, and later period Maintenance free improves service efficiency, reduces manpower and material resources
Consumption so that cam angle degree is more accurate.
8, tail gas is normal air, and insipidness will not pollute the environment of surrounding, will not be to surrounding people's
Health damages.
9, complete vehicle structure is firm, and each part high reliablity, the service life is long, easy to maintain simple.
10, using pressure feed back loop, the pressed gas for driving engine is obtained by way of expansion decompression.
All control is all realized by compressed air, without using electric energy and other energy.
Detailed description of the invention
Fig. 1 is the vehicle schematic diagram of the utility model.
Fig. 2 is the external engine structure chart of the utility model.
Fig. 3 is the air valve structure figure of the utility model.
Fig. 4 is the heat converter structure figure of the utility model.
Fig. 5 is the muffler structure figure of the utility model.
Fig. 6 is the piston crankshaft structure figure of the utility model.
Fig. 7 is the gas circuit control figure of the utility model.
In figure: 1, high pressure tank；2, gas control needle-valve；3, gas tank is buffered；4, gas control ball valve；5, air horn；6, air horn
Control valve；7, low-pressure control valve；8, high pressure control valve；9, scram button；10, start button；11, Pneumatic reversal valve；12, pneumatic
Engine；13, heat exchanger；14, throttle；15, pressure reducing valve；16, car body；17, engine block；18, supporting plate is connected；19, speed change
Case；20, output flange；21, air distributing device；22, fan；23, valve；24, air inlet；25, first stage piston；26, second piston；
27, crankshaft；28, sealing shroud；29, air inlet；30, upper surface portion；31, lower face；32, heat exchanger；33, wire；34, noise reduction
Device；35, gas exhaust piping；36, bypass pipe；37, noise reduction drum.
Specific embodiment
The standardized element used in the utility model can commercially, and shaped piece is according to specification and attached
The record of figure can carry out it is customized, the specific connection type of each part be all made of in the prior art mature bolt, rivet,
The conventional means such as welding, stickup, this will not be detailed here.
As shown in figs. 1-7, the utility model includes car body 16, and air motor 12 and high-pressure gas are equipped on car body 16
Tank 1, air motor 12 include engine block 17, and engine block 17 is connected with gearbox 19, gearbox by connecting supporting plate 18
Output flange 20 is fixed on 19, engine block 17 is provided with air distributing device 21 and fan 22, and air distributing device 21 is connected with valve
23, valve 23 is connected with air inlet 24, and several groups cylinder is provided in engine block 17, and every group of cylinder includes a level-one gas
Cylinder and a secondary cylinder are movably set with first stage piston 25 in level-one cylinder, are movably set with second piston in secondary cylinder
26, first stage piston 25 and second piston 26 are connected on crankshaft 27, and the capacity of level-one cylinder is greater than the capacity of secondary cylinder,
With the level-one cylinder of group and the gas circuit serial communication of secondary cylinder.The arrangement form of 17 inside cylinder of engine block is six cylinder column of V-arrangement
Plug structure.Sealing shroud 28 is provided on the outside of valve 23, sealing shroud 28 is fixedly connected with air distributing device 21, is arranged on sealing shroud 28
There is air inlet 29, upper surface portion 30 and lower face 31, the area equation of upper surface portion 30 and lower face 31 are provided on valve 23.Level-one
Cylinder, which is connected in gas circuit with secondary cylinder, is provided with heat exchanger 32, and heat exchanger 32 is U-shaped, the inside setting of heat exchanger 32
There is wire 33.The exhaust end of engine block 17 is provided with muffler 34, and muffler 34 includes two groups of gas exhaust pipings 35, two groups of rows
It is connected between air pipe 35 by bypass pipe 36, the end of gas exhaust piping 35 is provided with noise reduction drum 37.First stage piston 25 and second level
The ratio between outer diameter of piston 26 is 1.4:1.High pressure tank 1 is connected to buffering gas tank 3 by gas control needle-valve 2, and buffering gas tank 3 is logical
It crosses gas control ball valve 4 and is connected to throttle 14, throttle 14 is connected to air motor 12 by heat exchanger 13, and buffering gas tank 3 connects respectively
It is connected to low-pressure control valve 7 and high pressure control valve 8, low-pressure control valve 7 and high pressure control valve 8 are connected in parallel to the control of gas control needle-valve 2
End processed, buffering gas tank 3 are connected with pressure reducing valve 15, and pressure reducing valve 15 is respectively connected to high pressure control valve 8, air horn control valve 6, emergency stop
Button 9 and start button 10, air horn control valve 6 is connected with air horn 5, scram button 9 and start button 10 and gas control commutates
Valve 11 is connected in parallel, and Pneumatic reversal valve 11 is connect with the control terminal of gas control ball valve 4.
The utility model is using six cylinder plug formula structure of V-arrangement.It is compact-sized, and maintenance is simple, and reliable performance has more
Good air-tightness and gas effciency.Similar with traditional plunger type heat engine in structure, difference is completely new cylinder diameter design, uses
Of different sizes and size passes through the two kinds of pistons tightly calculated；Completely new is suitable for the air inlet distribution system that inlet end is high pressure gas
System is different from the design that conventional heat engines inlet end is atmospheric air, ensure that the air-tightness of valve actuating mechanism.And due to using height
Body is calmed the anger as the energy, does not have the damage internal component such as explosion, high heat, therefore engine life greatly prolongs, and zero
The quality of part can also further lightweight.
In performance, using compound expansion, the gas not expanded completely can be all expelled directly out by general air motor,
It is lost to cause a large amount of Gas Energy Source, reduces the service efficiency and energy utilization rate of gas.This product it is pneumatic
The gas not expanded completely can be carried out reexpansion by engine, in first order cylinder because expansion rate is low do not do manual work it is useless
Gas enters junior's cylinder and releases energy, and residence time extends gas within the engine during this, cooperates well-designed dissipate
Hot systems, high pressure gas absorbs heat sufficiently from environment and sufficiently expands workmanship, to substantially increase the benefit of Gas Energy Source
Use efficiency.
Compound expansion principle: the working method of double expansion needs pressure-air to be able to enter the after the acting of level-one cylinder
Secondary cylinder, volume energy access further expansion to discharge residual compression energy.Therefore the cylinder of two-stage expansion air-powered engine
Gas circuit be it is concatenated, and the maximum volume of second level cylinder be greater than first order cylinder maximum volume.The series connection of two-stage cylinder
On same crankshaft, when piston stroke is identical for connecting rod, and it is a working cycles that crankshaft, which is rotated by 360 °, two-stage cylinder complete into
Two strokes of gas expansion and exhaust, but the first order and second level operating phase differ 180 °.In preceding half of cycle period, the first order
Cylinder intake, second level cylinder exhaust are isolated between two cylinders by the first order inblock cylinder valve closed.In later half cycle period
Level-one cylinder exhaust while second level cylinder intake, first order inblock cylinder valve opening, two cylinders are connected to by heat exchanger at this time,
The first order cylinder discharge gas via after heat exchanger enter second level cylinder.Piston stroking upward in first order cylinder, atmospheric pressure
Torque on crankshaft is acted on by connecting rod and crankshaft turns on the contrary, export reactive torque, and second level cylinder piston downlink, gas
It is identical as crankshaft steering that pressure by connecting rod acts on the torque on crankshaft, exports positive torque.Do not considering pipe throttle damage
It loses ideally, the pressure of gas is essentially identical in two cylinders of connection, to keep the positive torque of second level cylinder generation big
In the negative sense torque that first order cylinder generates, the diameter of second level piston has to be larger than first order piston diameter.In this way, again
Total volume of 180 ° of phase intervals, two-stage cylinder is gradually increased with the rotation increase of crankshaft, and the gas in cylinder completes second
Grade expansion, energy obtain continuing to discharge.
Engine uses plunger-type structure, and the leakproofness of the engine of plunger type itself is just more excellent, in addition relying on
In the present advanced technology of piston type heat engine, then into sophisticated design is crossed, sealing performance is very prominent compared with common product.General hair
The air distribution system of motivation is all using belt wheel or chain-type, and this kind of drive needs to be regularly maintained, once transmission mechanism
Slippage phenomenon will occur for damage or aging, to influence the performance of entire engine.And this gas engine using
Double-gear transmission, later period Maintenance free improves service efficiency, reduces drain on manpower and material resources, so that cam angle degree is more
Precisely.Meanwhile H branch cast muffler is increased on engine, noise level is controlled based on piston type pneumatic engine itself
Advantage greatly reduces harm of the noise to staff, improves working environment.
The air valve structure of the utility model ensure that under lesser initial tension of spring, gas when inlet end is pressure-air
The sealing performance of door.Sealing shroud in figure is fixed in the distribution seat of engine.Valve is inserted into sealing shroud and sends out with sealing shroud
Life does relatively reciprocating motion.Sealing shroud and valve will keep the relationship that seals and can freely relatively move again.When
When valve moves downward, pressed gas enters cylinder from valve lower part horn section by air inlet.Valve
Top reset spring is installed.Because air motor air inlet is high pressure gas, and pressure is consistently higher than inner pressure of air cylinder, one
As engine valve actuating mechanism, it is more than valve return springs in pressure that inlet valve will bear the very big back pressure of high pressure gas always
Pretightning force when, even if IC Intake Valve Closes, also inlet valve can be opened automatically, leaked, air consumption is caused to increase, exhaust punching
Journey negative work increases, whole power and efficiency decline.And the valve actuating mechanism of this engine, by improving, by the upper surface of valve
Area increases.Area above acts on power above and balances each other with following power is acted on when identical as following area, gas
Door will not move.Traditional valve is without above so valve will receive a downward power.Pass through novel air valve structure
It is to realize that inlet valve is not subjected to high back pressure, and ensure that reliable sealing.To improve the utilization efficiency of gas, increase
Whole power and efficiency.
High pressure gas is by way of expansion by pressure reduction.Because not passing through the process of expenditure and pressure, frictional force disappears
The energy of consumption is minimized.The control switch of pressed gas is the Pneumatic valve controlled by feedback loop.When buffering gas
When insufficient pressure in tank, switch is opened, when buffer pressure inside the tank it is excessively high when switch close.Whole system mentions for air engine
For stablizing enough pressed gas.Pressed gas is stored in high pressure tank.High pressure gas by normally opened gas control needle-valve into
Enter surge tank.The low pressure valve events after air pressure in surge tank reaches 1.5Mpa.Reach when the pressure in gas tank continues to rise
High pressure valve events when 2Mpa.Gas control gas control needle-valve closing after the decompression of 15. pressure reducing valves in surge tank.Pressure gas
Body does not enter back into buffering gas tank.This pressure regulative mode reduces loss caused by friction to greatest extent, to a certain degree
On improve the energy utilization efficiency of air-powered car.The main function for buffering gas tank is to keep high pressure gas swollen among this gas tank
The swollen effect to play decompression.Buffering gas tank has two tracheaes to be linked among pressure feedback control valve group to be directly used in adjusting
Buffer the gas pressure in gas tank.In addition two-way gas picks out buffering gas tank, wherein gas is no longer pass through decompression all the way, directly makees
For the driving gas of engine；In addition gas control gas of air-channel system as a whole after pressure reducing valve depressurizes all the way
Body.The control valve group of buffering gas tank is by two air control switch valve groups at two air control switch valves are controlled respectively in buffering gas tank
The upper limit and lower limit of gas pressure.Low pressure valve makes the control of gas control needle-valve when buffering the pressure in gas tank and being lower than low pressure limit
Air pipe processed is connected with atmosphere.Due to gas control needle-valve be it is open in usual, high pressure gas by gas control needle-valve constantly enter buffering gas
Among tank.Pressure in surge tank constantly rises.The low pressure valve events when pressure in gas tank reaches the minimum pressure upper limit,
The control air pipe external world of gas control needle-valve disconnects.Pressed gas pressure in buffering gas tank continues to rise, when pressure is more than pressure
High pressure valve events connect the control piper of gas control needle-valve with the main line for controlling gas when the upper limit.At this moment gas control needle-valve by
Effect to control gas is closed, and high pressure gas stops entering buffering gas tank.When the gas pressure in buffering gas tank is lower than high pressure
When the pressure of control valve, gas control needle-valve is again turned on and inflates to gas tank.
It presses and releases the button when start-up frequency.Pneumatic reversal valve is opened, and control gas enters the control of gas control ball valve
Gas circuit opens Pneumatic valve.Gas control ball valve is closed after pressing scram button.Air horn control valve controls air horn.Work as gas control
The gas in buffering gas tank can be allowed to enter air motor by heat exchanger by controlling throttle when ball valve is opened.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of air-powered car, including car body (16), air motor (12) and high pressure tank are installed on car body (16)
(1), it is characterised in that: air motor (12) includes engine block (17), and engine block (17) is connected by connection supporting plate (18)
It is connected to gearbox (19), is fixed on gearbox (19) output flange (20), engine block (17) is provided with air distributing device (21)
With fan (22), air distributing device (21) is connected with valve (23), and valve (23) is connected with air inlet (24), engine block (17)
It is inside provided with several groups cylinder, every group of cylinder includes a level-one cylinder and a secondary cylinder, activity setting in level-one cylinder
Have first stage piston (25), be movably set in secondary cylinder second piston (26), first stage piston (25) and second piston (26) are even
It connects on crankshaft (27), the capacity of level-one cylinder is greater than the capacity of secondary cylinder, with the level-one cylinder and secondary cylinder of group
Gas circuit serial communication.
2. air-powered car according to claim 1, it is characterised in that: the arrangement form of engine block (17) inside cylinder is
Six cylinder plug formula structure of V-arrangement.
3. air-powered car according to claim 1, it is characterised in that: sealing shroud (28) are provided on the outside of valve (23),
Sealing shroud (28) is fixedly connected with air distributing device (21), is provided on sealing shroud (28) air inlet (29), and valve is arranged on (23)
There are upper surface portion (30) and lower face (31), the area equation of upper surface portion (30) and lower face (31).
4. air-powered car according to claim 1, it is characterised in that: level-one cylinder is connected in gas circuit with secondary cylinder to be set
Be equipped with heat exchanger (32), heat exchanger (32) be it is U-shaped, wire (33) are provided on the inside of heat exchanger (32).
5. air-powered car according to claim 1, it is characterised in that: the exhaust end of engine block (17) is provided with noise reduction
Device (34), muffler (34) include two groups of gas exhaust pipings (35), are connected between two groups of gas exhaust pipings (35) by bypass pipe (36),
The end of gas exhaust piping (35) is provided with noise reduction drum (37).
6. air-powered car according to claim 1, it is characterised in that: first stage piston (25) and second piston (26) it is outer
The ratio between diameter is 1.4:1.
7. air-powered car according to claim 1, it is characterised in that: high pressure tank (1) is connected by gas control needle-valve (2)
It is connected to buffering gas tank (3), buffering gas tank (3) is connected to throttle (14) by gas control ball valve (4), and throttle (14) passes through heat exchanger
(13) it is connected to air motor (12), buffering gas tank (3) is connected separately with low-pressure control valve (7) and high pressure control valve (8), low
Pressure control valve (7) and high pressure control valve (8) are connected in parallel to the control terminal of gas control needle-valve (2), and buffering gas tank (3) is connected with decompression
Valve (15), pressure reducing valve (15) be respectively connected to high pressure control valve (8), air horn control valve (6), scram button (9) and start by
Button (10), air horn control valve (6) are connected with air horn (5), scram button (9) and start button (10) and Pneumatic reversal valve
(11) it is connected in parallel, Pneumatic reversal valve (11) is connect with the control terminal of gas control ball valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820370228.3U CN208534543U (en) | 2018-03-19 | 2018-03-19 | A kind of air-powered car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820370228.3U CN208534543U (en) | 2018-03-19 | 2018-03-19 | A kind of air-powered car |
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| Publication Number | Publication Date |
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| CN208534543U true CN208534543U (en) | 2019-02-22 |
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| CN201820370228.3U Active CN208534543U (en) | 2018-03-19 | 2018-03-19 | A kind of air-powered car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386232A (en) * | 2018-03-19 | 2018-08-10 | 冯帆 | A kind of air force transport vehicle |
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2018
- 2018-03-19 CN CN201820370228.3U patent/CN208534543U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386232A (en) * | 2018-03-19 | 2018-08-10 | 冯帆 | A kind of air force transport vehicle |
| CN108386232B (en) * | 2018-03-19 | 2023-07-21 | 冯帆 | Aerodynamic transport vehicle |
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