CN207934986U - High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system - Google Patents
High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system Download PDFInfo
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- CN207934986U CN207934986U CN201820371401.1U CN201820371401U CN207934986U CN 207934986 U CN207934986 U CN 207934986U CN 201820371401 U CN201820371401 U CN 201820371401U CN 207934986 U CN207934986 U CN 207934986U
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- oil
- clutch
- cylinder block
- weight ratio
- bent axle
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- 238000005183 dynamical system Methods 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 73
- 239000010687 lubricating oil Substances 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical systems, including engine body, clutch and retarder, the engine body includes the first cylinder block, the second cylinder block, crankcase, bent axle, engine filter, oil sump, lubricating oil pump and water pump；The lubricating oil pump becomes one with bent axle comprising one end of driving wheel, driven wheel and pump case, the bent axle is connected with driving wheel；In the lower section of pump case, it is equipped with an inlet space；An oil discharge passage is equipped in oil sump；Oil Guide channel is equipped on the side wall of oil sump and crankcase；The clutch is connected with the other end of bent axle, is equipped with clutch protective shell in the hull outside of clutch, the shell of the retarder is connected by several support plates with clutch protective shell.The utility model structure is compacter, and volume smaller, weight is lower, power to weight ratio can be increased to 1.37 ~ 1.8, power to weight ratio improves, to greatly promote the performance of engine.
Description
Technical field
The utility model is related to technical field of engines more particularly to a kind of high power to weight ratio technical grade unmanned plane piston types
Engine power system.
Background technology
For unmanned plane of the gas take-off weight at 200 ~ 300 kilograms, whirlpool axle type engine is mostly used, because of its volume
Small, light-weight, stable working and it is very popular, according to its power to weight ratio of watt level up to 2 ~ 4 kilowatts/kilogram, but its fuel oil disappears
Consumption rate will be higher by 1 ~ 2 times compared with piston-mode motor, up to 900 grams/kilowatt-hour or more.And in the service life and in price, whirlpool
Axle type engine inner vanes shock resistance difference is easily damaged, bearing life then becomes fatefulue problem：Because of rotating speed height, greatly
Jet engine is using the air bearing service life up to thousands of hours, but small-sized whirlpool axis machine can only use contact because of cost problem
Bearing, then the service life can only at most maintain 20 ~ 50 hours；And current imported engine, although lasting a long time, price is very high
It is expensive.
Spy of the existing technical grade small-sized piston formula aero-engine in market with long-life, high reliability, high-efficiency low energy consumption
Point, rate of fuel consumption are about 380 ~ 400 grams/kilowatt-hour.But current engine is mostly 2 valves, single spark plug combustion chamber structure,
Make that its air inlet is insufficient, large-diameter is easy to happen the reasons such as pinking, if it has to using compared with low compression ratio, to reduce burning
The power to weight ratio of the thermal efficiency, final non-supercharged engine only has 0.8 ~ 0.96 kilowatt/kilogram.Simultaneously as existing piston engine
Machine is in assembling process, lubricating oil pump, water pump, clutch and retarder etc., is assembled using ripe product, because
This needs reserved sufficiently large space, to cause the volume of entire engine larger in the structure of engine；Also,
The weight for causing entire engine is larger so that the power to weight ratio of entire engine is relatively low.
Utility model content
For deficiencies of the prior art, utility model aims to solve available engine volume is big,
Weight is big, and power to weight ratio is low, poor performance, the high problem of price, provides a kind of high power to weight ratio technical grade unmanned plane piston engine
Motor-driven Force system, structure is compacter, and volume smaller, weight is lower, power to weight ratio can be increased to 1.37 ~ 1.8, power to weight ratio carries
Height, to greatly promote the performance of engine.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such：A kind of high power to weight ratio work
Industry grade unmanned plane piston-mode motor dynamical system, including engine body, clutch and retarder, the engine sheet
Body includes the first cylinder block, the second cylinder block, crankcase, bent axle, engine filter, oil sump, lubricating oil pump and water pump；Wherein, institute
It states the first cylinder block and the second cylinder block is piston cylinder body, and the V-shaped distribution of two cylinder blocks；It is characterized in that：It is described
Lubricating oil pump becomes one with bent axle comprising driving wheel, driven wheel and pump case, the bent axle are passed through close to one end of oil sump
It is connected with driving wheel after pump case, and driving wheel can be driven to rotate；
Several pillars are provided in oil sump, the pump case is connected by connecting bolt with pillar；In the lower section of pump case,
The position of corresponding oil inlet, is equipped with an inlet space；The inlet space includes both side plate, a top plate and a strainer, wherein both side plate
V-shaped distribution, one end is connected, and forms oil duct on one, the both ends of the strainer and both side plate in the junction of both side plate
The other end be connected；The top plate is connected with both side plate, and the upside closing in the space that both side plate and strainer are surrounded, and the top
It is close on the downside of the upside of plate and pump case；On top plate, the position of oil duct is equipped with an oil-through hole, and the oil-through hole and pump in correspondence
The oil inlet of shell is connected；An oil discharge passage is equipped in oil sump, one end of the oil discharge passage has oil duct, under this
The upper end of oil duct is connected with the oil outlet of pump case；The Oil Guide channel being connected is equipped on side wall of the oil sump with crankcase,
The upper end in the Oil Guide channel is connected with the oil inlet end of engine filter；The other end of the oil discharge passage extends to oil sump close to machine
The side of filter, and be connected with the lower end in Oil Guide channel；
The other end phase of the clutch and bent axle, wherein the clutch is centrifugal friction transmission clutch, should be from
The centrifugal friction piece assembly of clutch is connected with bent axle and can be rotated with crankshaft-synchronous；The shell of clutch and retarder it is defeated
Enter axis to be connected, and the input shaft of retarder can be driven to rotate；It is equipped with clutch protective shell, the clutch in the hull outside of clutch
The side of device protective shell is molded as one with crankcase；The shell of the retarder passes through several support plates and clutch protective shell
It is connected.
Further, the shell of the water pump is molded as one with crankcase.
Further, the one end of the air inlet pipe of two cylinder blocks far from cylinder block is connected after being connected with inlet manifold；Two vapour
The one end of the exhaust pipe of cylinder body far from cylinder block is connected after being connected with exhaust main；Wherein, the air inlet pipe and exhaust pipe
The equal arc transition in bending place.
Further, the angle between the axial line of the piston of the first cylinder block and the second cylinder block is 90 °.
Further, first cylinder block and the second cylinder block all have two inlet valves and two exhaust valves.
Further, first cylinder block and the second cylinder block all have two spark plugs, wherein a spark plug is located at
The middle part for ceiling of burning, another spark plug is between two exhaust valves.
Compared with prior art, the utility model has the following advantages that：
1, multiple components in dynamical system have been carried out with the principle of high integration reasonably integrated, wherein lubricating oil pump collection
At on bent axle, water pump shell is integrated in cylinder body（On crankcase）, clutch be integrated in crankshaft output end, retarder be integrated in from
On clutch protective shell, power output then can neatly meet horizontal and vertical axis output both of which, turned to reduce
The parts such as axis and spiral bevel gear, simplify power assembly, greatly reduce the volume of engine, and reduce weight and manufacture
Cost.
2, engine power to weight ratio is greatly improved, better reliability, longer life expectancy, and overall price is lower.
3, the bent axle of the engine power system can level put, when for unmanned helicopter, can directly export
Driving rotor obtains main shaft, without increasing power output steering.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the assembling structure schematic diagram of lubricating oil pump.
Fig. 3 is the structural schematic diagram of oil sump.
In figure：1-the first cylinder block, the 2-the second cylinder block, 3-crankcases, 4-bent axles, 5-oil sumps, 6-machine oil
Pump, 7-water pumps, 8-clutch protective shells, 9-retarders, 10-inlet spaces, 11-oil discharge passages, 12-Oil Guide channels,
13-air inlet pipe.
Specific implementation mode
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail.
Embodiment：Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of high power to weight ratio technical grade unmanned plane piston engine mechanomotive force
System, including engine body, clutch and retarder 9, the engine body include the first cylinder block 1, the second cylinder
Body 2, crankcase 3, bent axle 4, engine filter, oil sump 5, lubricating oil pump 6 and water pump 7.Wherein, first cylinder block 1 and second
Cylinder block 2 is piston cylinder body, and the V-shaped distribution of two cylinder blocks；Using the twin-rotor housing of V-type, it can effectively improve and start
The power output of machine.The shell of the water pump 7 is molded as one with crankcase 3.During actual processing, 1 He of the first cylinder block
Angle between the axial line of the piston of second cylinder block 2 is 90 °；So as to keep engine balance more preferable, preferably to subtract
Few vibrations.First cylinder block, 1 and second cylinder block 2 all has two inlet valves and two exhaust valves.Two cylinder blocks are all made of water
Cold four strokes form cylinder block, to avoid due to overheat caused by insufficient lubrication and scuffing of cylinder bore damage.
The lubricating oil pump 6 becomes one with bent axle 4 comprising driving wheel, driven wheel and pump case, the bent axle 4 are close
One end of oil sump 5 is connected after passing through pump case with driving wheel, and driving wheel can be driven to rotate；Lubricating oil pump 6 and bent axle 4 are integrated
Together, the composition of lubricating oil pump 6 is not only reduced, and effectively reduces transmission parts, to reduce overall volume, is also dropped
Low overall weight.
Several pillars are provided in oil sump 5, the pump case is connected by connecting bolt with pillar.Under pump case
Side, the position of corresponding oil inlet, is equipped with an inlet space 10；The inlet space 10 includes both side plate, a top plate and a strainer,
In, the V-shaped distribution of both side plate, one end is connected, and forms oil duct on one, the both ends of the strainer in the junction of both side plate
It is connected with the other end of both side plate；The top plate is connected with both side plate, and the upper side seal in the space that both side plate and strainer are surrounded
It closes, and is close on the downside of the upside of the top plate and pump case.On top plate, the position of oil duct is equipped with an oil-through hole in correspondence, and should
Oil-through hole is connected with the oil inlet of pump case.An oil discharge passage 11 is equipped in oil sump 5, one end of the oil discharge passage 11 has
There is oil duct, the upper end of the lower oil duct is connected with the oil outlet of pump case.It is equipped on the side wall of oil sump 5 and crankcase 3
The oil inlet end in the Oil Guide channel 12 being connected, the upper end engine filter in the Oil Guide channel 12 is connected；The oil discharge passage 11 it is another
One end extends to oil sump 5 close to the side of engine filter, and is connected with the lower end in Oil Guide channel 12.By the oil inlet of lubricating oil pump 6
Room 10 is integrated in into oil discharge passage 11 and Oil Guide channel 12 on oil sump 5 and crankcase 3, whole to create a further reduction
The weight of a engine, and overall structure stability is more preferable, can effectively improve the service life of engine.
The clutch is connected with the other end of bent axle 4, wherein and the clutch is centrifugal friction transmission clutch,
The centrifugal friction piece assembly of the clutch is connected with bent axle 4 and can be rotated synchronously with bent axle 4；The shell of clutch and deceleration
The input shaft of device 9 is connected, and the input shaft of retarder 9 can be driven to rotate；It is protected equipped with clutch in the hull outside of clutch
Shell 8, side and the crankcase 3 of the clutch protective shell 8 are molded as one；The shell of the retarder 9 passes through several support plates
It is connected with clutch protective shell 8.
Lubricating oil pump 6 is integrated on bent axle 4 by the utility model, 7 shell of water pump is integrated in cylinder body（On crankcase 3）, clutch
Device is integrated in 4 output end of bent axle, retarder 9 is integrated on clutch protective shell 8, power output then can neatly satisfaction it is horizontal
Power assembly is simplified, is substantially reduced to reduce the parts such as steering shaft and spiral bevel gear with vertical axis output both of which
The volume of engine, and reduce weight and manufacturing cost；Meanwhile engine power to weight ratio is greatly improved, reliability
More preferably, longer life expectancy, and overall price is lower.
In specific implementation process, the one end of air inlet pipe 13 far from cylinder block of two cylinder blocks be connected after with inlet manifold's phase
Connection；The one end of the exhaust pipe of two cylinder blocks far from cylinder block is connected after being connected with exhaust main；Wherein, the air inlet pipe 13
With the equal arc transition in bending place of exhaust pipe；By air inlet-outlet pipe using " in point " structure, so as to prevent two cylinders from mutually " robbing
Has channeling gas ", and air inlet-outlet pipe smoothly transits and efficiently avoids the linear loss and local losses of air-flow.To improve engine
Efficiency, first cylinder block, 1 and second cylinder block 2 all have two spark plugs, wherein a spark plug is located at burning ceiling
Middle part, another spark plug is between two exhaust valves.In this way, the control respectively for passing through time of ignition so that timesharing shape in cylinder
At two flame kernels, center spark plug is that main flame kernel flame is promoted from combustion chamber center to edge, is mounted on two exhausts
Between door（It is secondary）Plug ignition, effectively prevents the generation of end gas natural contral pinking, and dual ignition plug accelerates fire
Flame is propagated without pinking, and effectively improves mechanical efficiency.
It is strong meeting in terms of material selection and process to further decrease the weight and price of entire engine
Degree selects quality-high and inexpensive light material under the premise of requiring, as air inlet pipe 13 and oil return pipe use nylon66 fiber or PA12, part tooth
Wheel selects PA66 i.e. reduction, and weight reduces noise and impact again, cover board and support element then selects PA6 etc., and main screw lift has obtained greatly
Amplitude declines.
Finally, it should be noted that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, it will be understood by those of ordinary skill in the art that, those are modified to the technical solution of the utility model or are equal
It replaces, without departing from the objective and range of the technical program, should all cover in the right of the utility model.
Claims (6)
1. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system, including engine body, clutch with
And retarder, the engine body include the first cylinder block, the second cylinder block, crankcase, bent axle, engine filter, oil sump, machine
Oil pump and water pump；Wherein, first cylinder block and the second cylinder block are piston cylinder body, and two cylinder blocks are V-shaped
Distribution；It is characterized in that：The lubricating oil pump becomes one with bent axle comprising driving wheel, driven wheel and pump case, the bent axle
It is connected with driving wheel after pump case close to one end of oil sump, and driving wheel can be driven to rotate；
Several pillars are provided in oil sump, the pump case is connected by connecting bolt with pillar；It is corresponding in the lower section of pump case
The position of oil inlet is equipped with an inlet space；The inlet space includes both side plate, a top plate and a strainer, wherein both side plate is in V
Shape is distributed, and one end is connected, and forms oil duct on one in the junction of both side plate, the both ends of the strainer and both side plate it is another
One end is connected；The top plate is connected with both side plate, and the upside closing in the space that both side plate and strainer are surrounded, and the top plate
It is close on the downside of upside and pump case；On top plate, the position of oil duct is equipped with an oil-through hole in correspondence, and the oil-through hole and pump case
Oil inlet is connected；An oil discharge passage is equipped in oil sump, one end of the oil discharge passage has oil duct, the lower oil duct
Upper end be connected with the oil outlet of pump case；The Oil Guide channel being connected is equipped on side wall of the oil sump with crankcase, this is led
The upper end in oily channel is connected with the oil inlet end of engine filter；The other end of the oil discharge passage extends to oil sump close to engine filter
Side, and be connected with the lower end in Oil Guide channel；
The clutch is connected with the other end of bent axle, wherein the clutch is centrifugal friction transmission clutch, the clutch
The centrifugal friction piece assembly of device is connected with bent axle and can be rotated with crankshaft-synchronous；The input of the shell and retarder of clutch
Axis is connected, and the input shaft of retarder can be driven to rotate；It is equipped with clutch protective shell, the clutch in the hull outside of clutch
The side of protective shell is molded as one with crankcase；The shell of the retarder protects shell phase by several support plates and clutch
Even.
2. high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, feature exist
In：The shell of the water pump is molded as one with crankcase.
3. high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, feature exist
In：The one end of the air inlet pipe of two cylinder blocks far from cylinder block is connected after being connected with inlet manifold；The exhaust pipe of two cylinder blocks is remote
One end from cylinder block is connected after being connected with exhaust main；Wherein, the equal circular arc mistake in the bending place of the air inlet pipe and exhaust pipe
It crosses.
4. high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, feature exist
In：Angle between the axial line of the piston of first cylinder block and the second cylinder block is 90 °.
5. high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, feature exist
In：First cylinder block and the second cylinder block all have two inlet valves and two exhaust valves.
6. high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 5, feature exist
In：First cylinder block and the second cylinder block all have two spark plugs, wherein a spark plug is located in burning ceiling
Portion, another spark plug is between two exhaust valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371401.1U CN207934986U (en) | 2018-03-19 | 2018-03-19 | High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371401.1U CN207934986U (en) | 2018-03-19 | 2018-03-19 | High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207934986U true CN207934986U (en) | 2018-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371401.1U Withdrawn - After Issue CN207934986U (en) | 2018-03-19 | 2018-03-19 | High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
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| Country | Link |
|---|---|
| CN (1) | CN207934986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252795A (en) * | 2018-03-19 | 2018-07-06 | 李洋涛 | A kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
-
2018
- 2018-03-19 CN CN201820371401.1U patent/CN207934986U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252795A (en) * | 2018-03-19 | 2018-07-06 | 李洋涛 | A kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
| CN108252795B (en) * | 2018-03-19 | 2024-03-26 | 李洋涛 | Piston type engine power system for high-power-weight-ratio industrial unmanned aerial vehicle |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20240326 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20240326 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |