CN208950691U - A kind of two-stroke full water cooling formula aero-engine - Google Patents
A kind of two-stroke full water cooling formula aero-engine Download PDFInfo
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- CN208950691U CN208950691U CN201821778802.5U CN201821778802U CN208950691U CN 208950691 U CN208950691 U CN 208950691U CN 201821778802 U CN201821778802 U CN 201821778802U CN 208950691 U CN208950691 U CN 208950691U
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- water pump
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Abstract
The utility model discloses a kind of two-stroke full water cooling formula aero-engines, including engine assembly, water pump complement, radiator, inlet and outlet pipes, water pump complement to be assembled together with engine assembly, and radiator is arranged on outlet conduit；Engine assembly includes crankshaft, cylinder block, the cylinder block cooling jacket being arranged in cylinder block, cylinder head and the cylinder head cooling jacket being arranged in cylinder head, offers cooling water flow conduits between cylinder block and head；Water pump complement includes water pump body, pump shaft and water pump vane.The full water cooling system of the utility model is compared with air cooling system, and the cooling degree of engine heated component is more uniform, and intensity of cooling is more controllable, can guarantee that components will not overheat well, to improve the reliability and service life of engine.
Description
Technical field
The utility model relates to aero-engine technology field more particularly to a kind of two-stroke full water cooling formula aeroplane engines
Machine.
Background technique
With the continuous development of engine technology, the working environment that engine is faced also increasingly has particularity and answers
The cooling performance of polygamy, engine becomes an important factor for ensureing its reliability, wants when designing engine to cooling system
Ask also higher and higher.Chemical energy is converted to mechanical energy during the work time and can generate a large amount of heat by engine, these heat
Meeting is measured so that the temperature of the components of the engine sharply increases, the properties of engine component are influenced, so that starting
Machine can not finally work, it is most likely that generate dangerous.
Thus, cooling system is the important component of engine, and effect is to guarantee engine in optimum temperature
It works under degree state.Engine cool form has water cooling and two kinds air-cooled, and water cooling refers to using coolant liquid as cooling medium, by cold
But liquid takes away the heat of hot parts, then is dispersed into atmosphere in some way, make engine temperature reduce and into
A series of cooling devices of row.Have many advantages, such as that strong cooling capacity, characteristics of compact layout, noise are small, easy to use.It is air-cooled, be not
Liquid circulation is carried out in engine, but is radiated by the aluminium flake that engine cylinder body surface is adhered to cylinder.Two-stroke boat
Empty piston engine mechanical load is high, friction level is high, cooling capacity requires height, although air cooling system structure is simple, application
Then be likely to occur on certain aircraft cooling capacity it is insufficient, it is cooling not enough uniformly and work noise is big, be not able to satisfy aviation
It is required that therefore, two-stroke aviation piston engine is great using water cooling forms choice.
A bit even more important, existing helicopter, gyroplane, the engine of these on-fixed wing aircrafts such as dirigible is in sky
Do not have when middle operation or only there is weaker air-flow to cause engine overheat problem to cool down engine, then using water-cooling system
It can be well solved the above problem, to expand the application field of such engine significantly.
Utility model content
To be solved in the utility model is existing helicopter, gyroplane, the hair of these on-fixed wing aircrafts such as dirigible
Do not have when motivation is run in the sky or only has weaker air-flow come the problem of cooling down engine and cause engine overheat.
To achieve the goals above, the technical solution that the utility model is taken are as follows:
A kind of two-stroke full water cooling formula aero-engine provided by the utility model, including engine assembly, water pump complement,
Radiator, inlet and outlet pipes, water pump complement are assembled together with engine assembly, and radiator is arranged in outlet conduit
On；
Engine assembly includes crankshaft, cylinder block, cylinder block cooling jacket, cylinder head and the setting being arranged in cylinder block
Cylinder head cooling jacket in cylinder head offers cooling water flow conduits between cylinder block and head；
Water pump complement includes water pump body, pump shaft and water pump vane, and water pump body has a cavity, and pump shaft is arranged in water pump
In the cavity of body, pump shaft first end is pierced by water pump body and the crankshaft of engine assembly is directly drivingly connected, pump shaft second end
It is pierced by water pump body, generator power input is can be used as and uses.Water pump vane is located in water pump body cavity and is set in pump shaft outer end,
Water pump vane is also disposed with water seal, oil sealing and bearing toward the first extreme direction of pump shaft, and water pump vane is toward pump shaft second end
Direction is equally disposed with water seal, oil sealing and bearing；
Water inlet line, connection is set between water pump body and cylinder block, cold by pumping out in water pump body through water pump vane
But liquid is transferred in cylinder block；
Outlet conduit, connection are set between cylinder head and water pump body, the coolant liquid being discharged in cylinder head are passed again
In defeated return-air cylinder body.
Engine crankshaft directly drives pump shaft rotation, so that water pump vane be driven to rotate, realizes coolant liquid by water pump
It is sent into the cooling action of cylinder block cooling jacket and cylinder head cooling jacket.It is cooling after cylinder block and cooling cylinder head
Liquid comes back in water pump body through radiator, completes a Water-cooling circulating.
Further, water pump complement further includes pump shaft, water pump vane.
Further, the bearing is deep groove ball bearing.
The utility model uses technical solution as above, has the following beneficial effects:
The utility model engine crankshaft directly drives pump shaft rotation, so that water pump vane be driven to rotate, realization will be cold
But liquid is sent into the cooling action of cylinder block cooling jacket and cylinder head cooling jacket by water pump.It has been cooled down in cylinder block and cylinder head
Bi Hou, coolant liquid come back in water pump body through radiator, complete a Water-cooling circulating；The full water cooling system of the utility model with
Air cooling system is compared, and the cooling degree of engine heated component is more uniform, and intensity of cooling is more controllable, i.e. cold start-up and warming-up
Stage can reduce heat dissipation, guarantee will not sub-cooled to achieve the purpose that warming-up as early as possible, the final fuel atomization effect that increases simultaneously changes
Kind burning, and in big load, cooling effect is preferable, can guarantee that components will not overheat well, to improve engine
Reliability and service life.
Detailed description of the invention
Fig. 1 is the present embodiment schematic structural cross-sectional view.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of two-stroke full water cooling formula aero-engine provided in this embodiment, including engine assembly,
(radiator in the present embodiment can be the conventional diffusers on automobile or aviation aircraft, herein not for water pump complement, radiator
Be described in detail again), (inlet and outlet pipes in this implementation are conventional connecting pipe to inlet and outlet pipes, herein not
It is described in detail again), water pump complement is assembled together with engine assembly, and radiator is arranged on outlet conduit, to the complete rear stream of cooling
Coolant liquid into outlet conduit carries out the absorption of heat, to realize cooling cycle；
Engine assembly includes crankshaft 21, cylinder block 22, the cylinder block cooling jacket being arranged in cylinder block 22, cylinder head
23 and the cylinder head cooling jacket that is arranged in cylinder head 23, cooling water flow conduits are offered between cylinder block 22 and cylinder head 23；
Water pump complement includes water pump body 31, pump shaft 32 and water pump vane 33, and water pump body 31 has a cavity, pump shaft 32
It is arranged in the cavity of water pump body 31,32 first end of pump shaft (left end) is pierced by water pump body 31 and the crankshaft 21 of engine assembly is straight
Connecing drive connection, (crankshaft 21 and pump shaft 32 can be easy the conceivable routine of connection by shaft coupling or other those skilled in the art
Connection type, which is realized, directly drives connection between two axis, and this will not be detailed here；Crankshaft 21 and 32 company of directly driving of pump shaft
Connect, transmission device be omitted, it is more compact and reduce the effect of cost to can achieve structure), 32 second end of pump shaft (right end)
It is pierced by water pump body 31, generator power input is can be used as and uses.Water pump vane 33 is located in 31 cavity of water pump body and is set in water pump
32 outer end of axis, water pump vane 33 are also disposed with water seal 35, oil sealing 36 and bearing 37, water pump toward 32 first extreme direction of pump shaft
Impeller 33 is equally disposed with water seal 35, oil sealing 36 and bearing 37 toward 32 second extreme direction of pump shaft；Water seal 35 can be to axis
It holds 37 to shield, prevents the water in water pump body 31 from entering the use for influencing bearing 37；Oil sealing 36 can prevent bearing
Grease in 37 is excessive, while playing the protective effects such as dust-proof, waterproof to bearing again.
Water inlet line, connection be set between water pump body 31 and cylinder block 22, by water pump body 31 through water pump vane 33
The coolant liquid pumped out is transferred in cylinder block 22；
Outlet conduit, connection are set between cylinder head 23 and water pump body 31, the coolant liquid that will be discharged in cylinder head 23
Again it is transmitted back in cylinder block.
Engine crankshaft directly drives pump shaft rotation, so that water pump vane be driven to rotate, realizes coolant liquid by water pump
It is sent into the cooling action of cylinder block cooling jacket and cylinder head cooling jacket.It is cooling after cylinder block and cooling cylinder head
Liquid comes back in water pump body through radiator, completes a Water-cooling circulating.
As shown in Figure 1, water pump complement further includes pump case 34, pump case 34 can connect setting (the present embodiment with aircraft
Connection setting is realized by bolt, but not limited to this, can also realize that this will not be detailed here by modes such as rivetings), water pump
Body, pump shaft and water pump vane are fixed in pump case 34.
In the present embodiment, the bearing is deep groove ball bearing.
The utility model engine crankshaft directly drives pump shaft rotation, so that water pump vane be driven to rotate, realization will be cold
But liquid is sent into the cooling action of cylinder block cooling jacket and cylinder head cooling jacket by water pump.It has been cooled down in cylinder block and cylinder head
Bi Hou, coolant liquid come back in water pump body through radiator, complete a Water-cooling circulating；The full water cooling system of the utility model with
Air cooling system is compared, and the cooling degree of engine heated component is more uniform, and intensity of cooling is more controllable, i.e. cold start-up and warming-up
Stage can reduce heat dissipation, guarantee will not sub-cooled to achieve the purpose that warming-up as early as possible, the final fuel atomization effect that increases simultaneously changes
Kind burning, and in big load, cooling effect is preferable, can guarantee that components will not overheat well, to improve engine
Reliability and service life.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (3)
1. a kind of two-stroke full water cooling formula aero-engine, it is characterised in that: including engine assembly, water pump complement, radiator,
Inlet and outlet pipes, water pump complement are assembled together with engine assembly, and radiator is arranged on outlet conduit；
Engine assembly includes crankshaft, cylinder block, cylinder block cooling jacket, cylinder head and the setting being arranged in cylinder block in gas
Cylinder head cooling jacket on cylinder cap offers cooling water flow conduits between cylinder block and head；
Water pump complement includes water pump body, pump shaft and water pump vane, and water pump body has a cavity, and water pump body is arranged in pump shaft
In cavity, pump shaft first end is pierced by water pump body and the crankshaft of engine assembly is directly drivingly connected, and pump shaft second end is pierced by
Water pump body, water pump vane are located in water pump body cavity and are set in pump shaft outer end, and water pump vane is toward the first extreme direction of pump shaft
It is also disposed with water seal, oil sealing and bearing, water pump vane is equally disposed with water seal, oil sealing toward the second extreme direction of pump shaft
And bearing；
Water inlet line, connection are set between water pump body and cylinder block, the coolant liquid that will be pumped out in water pump body through water pump vane
It is transferred in cylinder block；
Outlet conduit, connection are set between cylinder head and water pump body, the coolant liquid being discharged in cylinder head are transmitted back to again
In water pump body.
2. two-stroke full water cooling formula aero-engine according to claim 1, it is characterised in that: water pump complement further includes water
Pump shaft, water pump vane.
3. two-stroke full water cooling formula aero-engine according to claim 1, it is characterised in that: the bearing is deep-groove ball
Bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821778802.5U CN208950691U (en) | 2018-10-31 | 2018-10-31 | A kind of two-stroke full water cooling formula aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821778802.5U CN208950691U (en) | 2018-10-31 | 2018-10-31 | A kind of two-stroke full water cooling formula aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950691U true CN208950691U (en) | 2019-06-07 |
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ID=66743504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821778802.5U Active CN208950691U (en) | 2018-10-31 | 2018-10-31 | A kind of two-stroke full water cooling formula aero-engine |
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| CN (1) | CN208950691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778671A (en) * | 2019-11-05 | 2020-02-11 | 安徽航瑞航空动力装备有限公司 | Crankshaft assembly suitable for piston type two-stroke aircraft engine |
-
2018
- 2018-10-31 CN CN201821778802.5U patent/CN208950691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778671A (en) * | 2019-11-05 | 2020-02-11 | 安徽航瑞航空动力装备有限公司 | Crankshaft assembly suitable for piston type two-stroke aircraft engine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220713 Address after: 361000 No. 66, Biyun Middle Road, Hongtang Town, Tong'an District, Xiamen City, Fujian Province (No. 5 plant) Patentee after: Xiamen linbach Aero Engine Co.,Ltd. Address before: 361000 one of No. 66 (plant 5), Biyun Middle Road, Hongtang Town, Tong'an District, Xiamen City, Fujian Province Patentee before: XIAMRN LIMBACH AIRCRAFT ENGINE Co.,Ltd. |