CN2311613Y - Horizontal double-cylinder diesel engine - Google Patents
Horizontal double-cylinder diesel engine Download PDFInfo
- Publication number
- CN2311613Y CN2311613Y CN 97236815 CN97236815U CN2311613Y CN 2311613 Y CN2311613 Y CN 2311613Y CN 97236815 CN97236815 CN 97236815 CN 97236815 U CN97236815 U CN 97236815U CN 2311613 Y CN2311613 Y CN 2311613Y
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- diesel engine
- bent axle
- cylinder
- model
- fuel
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- Expired - Fee Related
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Abstract
The utility model relates to a diesel engine, comprising assemblies, such as an air cylinder body of an engine, a crank shaft, a camshaft, a fuel injection system, a connecting rod for a piston, a cooling water tank, a gear chamber cover, etc. The connecting rod for a piston is connected with the crank shaft, forming a crank link mechanism; the air cylinder of a diesel engine adopts a horizontal structure of parallel double-cylinder; one end of the crank shaft is provided with a power output pulley or gear. A supply device for fuel oil does not adopt a separated type oil injection pump with double-cylinder but combines with a linking speed control lever of a centrifugal speed controller for controlling the oil mass of the oil injection pump; a cooling system adopts a water tank of cooling water evaporation heat radiation type. The utility model provides a horizontal double-cylinder diesel engine having the advantages of a single-cylinder diesel engine and a vertical multicylinder diesel engine.
Description
The utility model relates to a kind of manufacturing of diesel engine, relates in particular to a kind of structure of twin-tub horizontal diesel engine.
Diesel engine is a kind of the most frequently used dynamic power machine.And single cylinder diesel--be fit to agricultural minitype motivation machine, particularly S195,1100,1105, small diesel engines such as 1110 have occupied the maximum market share.Single cylinder diesel has advantage on performance and price, extensive as applicable surface, can be used for hand steered, tractor with small four wheels, and the power of small transporting vehicle, boats and ships, generator set, air compressor also is applicable to the power of agricultural irrigation and drainage and agricultrue sideline production processing machinery; It is cheap; Maintenance service is convenient etc.But the user more wishes to increase the power of single cylinder diesel, so that better used.
But compare with multi-cylinder diesel engine, the deficiency of single cylinder diesel also is tangible: its power can not be very big, also has only about 18 horsepowers as R1110, the power output of single cylinder work is not steady, noise is too big, vibrates greatly too, has limited the use under many occasions.The performance of vertical multi-cylinder diesel engine is good, but it is cheapest also about 4,000 yuan, and install and use, maintenance maintenance than the single cylinder diesel complexity many, generally need the specialized maintenance personnel, as Chinese patent CN95250055 provide the fuel feeding control gear of more complicated.Given this, scope and field that vertical multiple cylinder diesel motor uses are very little, still can not large-scale use as single cylinder diesel, yet there are no merge single cylinder and multi-cylinder diesel engine separately advantage and be combined into the appearance of novel diesel machine.
The purpose of this utility model provides and a kind ofly can provide a kind of price performance high diesel engine in conjunction with the horizontal two cylinder diesel engine of single cylinder diesel and vertical multi-cylinder diesel engine advantage.
The refinement of above-mentioned purpose of the present utility model is bent axle and the crankshaft supporting structure that project organization is simple and reliable, makes whole diesel engine designs simplification, can inherit single cylinder diesel fly wheel generator and bel-drivenn characteristics are installed.
The purpose of this utility model also is to provide the diesel engine of a kind of power increase, stable working, and the vibration of complete machine minimizing, and structure is simpler than vertical multi-cylinder diesel engine again.
The purpose of this utility model also is to provide a kind of speed governing and oil supply system of structure proximate single cylinder diesel, not only simply but also effectively uses.
The purpose of this utility model also is to provide a kind of cooling system simple in structure.
Other purpose of the present utility model is listed in specification in addition.
Technical solution of the present utility model is: a kind of diesel engine, comprise engine cylinder, bent axle, camshaft, fuel injection system, piston rod, assembly such as cooling water tank and gear chamber cover constitutes, connect bent axle and constitute connecting rod by piston rod, bent axle is provided with sector unit, be used to control the air inlet and the exhaust push rod of each stroke with the camshaft of bent axle interlock, it is characterized in that diesel engine cylinder is to adopt the horizontal horizontal type structure of two juxtaposed cylinders, the connecting rod of drawing from twin-tub connects same bent axle, the two ends of this bent axle are provided with bearing fixing on cylinder body, and are provided with belt pulley or the gear of exporting as power at an end of bent axle.
Further improvement of the utility model is that the fuel feed device is employing twin-tub unit fuel injection pump, and controls the fuel-flow control of Injection Pump in conjunction with centrifugal speed governor interlock governor lever.
Further improvement of the utility model also comprises: cooling system adopts water-cooled evaporative heat loss formula water tank.
The utility model can be used for diesel engine, especially cylinder diameter that cylinder diameter is 80-110mm at 85-110mm, is the described in the utility model horizontal horizontal dual cylinder diesel engine of 95mm for cylinder diameter, and its power is easy to reach 20-26 horsepower.Cylinder diameter continue to increase, also be easy to power is increased to about 30 horsepowers, and this power region is also of the present utility model just to suit.
The utlity model has following characteristics: simple in structure, the advantage that cost is lower that have both made full use of single cylinder diesel body and each critical piece, thereby also being convenient to care and maintenance repairs, having power again increases, the vibration and the noise of machine significantly reduce, help improving the working efficiency and the working life of entire machine, and more suitably diesel powered is provided for the market demand of quite a few.
The utility model is described in further detail below in conjunction with accompanying drawing with by embodiment:
Fig. 1 is a structure cut-away view of the present utility model
Fig. 2 is a bent axle schematic representation of the present utility model
Fig. 3 is the stepless regulating mechanism schematic representation of Injection Pump oil mass of the present utility model
As shown in the figure, Fig. 1 cuts open level of the present utility model to show, Fig. 2 has more provided the structural representation of bent axle: earlier by shown in Fig. 1,2, the utility model is made of engine cylinder cap and block assembly, bent axle and camshaft assembly, fuel injection system, cooling water tank assembly and gear chamber cover assembly, this respect more adopts the engine design of single cylinder diesel, as especially connecting lubricating oil path at crankshaft-and-connecting-rod.Connect bent axle and constitute connecting rod by piston rod, bent axle is provided with sector unit, be used to control the venting and the exhaust push rod of each stroke with the camshaft of bent axle interlock, diesel engine cylinder is for adopting the horizontal horizontal type structure of two juxtaposed cylinders, the connecting rod of drawing from twin-tub connects same bent axle, the two ends of this bent axle are provided with bearing 12 on cylinder body fixing, and be provided with belt pulley or the gear of exporting as power at an end of bent axle.
The engine with two cylinder 2-1, the 2-2 that are provided with in the cylinder body 1, the main shaft that bent axle 3 is also exported for power, all constituting crankshaft ﹠ connecting by connecting rod 4-1,4-2 and bent axle from piston 5-1, the 5-2 of two cylinder is converted into to-and-fro motion and rotatablely moves, for guaranteeing isostatic movement, design by crankshaft-and-connecting-rod makes the moving direction of two cylinder piston opposite, the link of connecting rod 4-1,4-2 and bent axle is bearing shell 6-1,6-2, the hole 8 on the cylinder body 2 and the size of crankshaft main journal respectively with joining bearing size adapt.Consider the bent axle stressing conditions of twin cylinder engine, the utility model cylinder body is a tunnel type to the supporting structure of bent axle, and the bent axle intermediate support structure is a combined type, and the intermediate support seat is located on body and be fixing.In specific words, be provided with the bearing device of supporting crankshaft rotation at the middle main journal place of bent axle, its structure preferentially adopts the assembly structure (being the tunnel type intermediate support) that bent axle is installed on one-piece cylinder, the main journal place installs intermediate main bearing seat and middle main axle bush 7 earlier in the middle of promptly earlier on bent axle, after installing bent axle again by the fixing middle bearing bracket of the screw on the cylinder body 27, on cylinder body and main bearing seat, be provided with locating sleeve 28, to guarantee the accurate location of intermediate support.Tunnel type intermediate support technology to crankshaft main journal is simple, and easy processing is better than cylinder body open-close type lid dress supporting crankshaft.
Bent axle also can be provided with the sector unit 10 of balanced engine piston inertia as the power output main shaft of diesel engine on bent axle, in addition, must consider that bent axle opplied moment or torsion owing to double-piston at work is influential to the operating life of bent axle.Be provided with the bearing (ball) cover 12 of sealing in the end of bent axle, also be connected with the flywheel 13 and the fixing nut 14 of flywheel thereof in the bearing outer end of an end of bent axle, also be provided with seal ring 15, be used for machine oil is sealed in the outer rim of crankshaft bearing.19 is the flywheel flat key, and as the power output of driving wheel, also installation power is exported with belt pulley 18 on the flywheel of bent axle.
In the further improvement on the bent axle is to be provided with equilibrium block 16 on bent axle in addition, and is fixed in the lateral margin of sector unit by screw 17, and this equilibrium block can be used for shifting the reciprocal inertia force square that brings when engine operation, to lower machine torsional oscillation on horizontal plane.
End (at the end cap position) at bent axle is drawn rotation interlock centrifugal speed governor 32 from bent axle, by the fuel-flow control tooth bar 24 of speed regulator interlock governor lever 23 control Injection Pumps.The other end flywheel sidepiece at bent axle is equipped with permanent magnet generator, the stator coil 25 and the cylinder body of generator are fixed, and from stator, draw electric current and can be used for illumination, batteries to store energy, actuating motor etc., the automatic voltage regulation charging unit also can be housed, the rotor 26 of generator is a permanent magnetism ring-type rotor.
Oil supply system of the present utility model can adopt the design of simplifying most, thereby increases the reliability of oil spout and reduce cost.The utility model adopts twin-tub unit fuel injection pump (being commonly called as twin fuel injection pump) 30, and respectively to two cylinder fuel feeding, the control of fuel supply rate curve also adopts the cam of injection pump of camshaft to realize.The fuel-flow control tooth bar 24 of twin-tub unit fuel injection pump 30 is to do identical control to the fuel delivery of two pumps, thereby makes the two cylinder balanced operation.Existing combination of monomers oil pump product, typical model is the BF2K80Y01 type.
As shown in Figure 3, the oil feed pump oil controller is that speed regulator is stepless regulating mechanism, comprise governor lever 23, reach manual joystick 37 and centrifugal speed governor 32 formations, one end shift fork of governor lever cooperates with the fuel-flow control tooth bar 24 of two Injection Pumps 30, can do identical control to the fuel injection quantity of two cylinder, operating handle has a fulcrum 42, is provided with a strigil on fulcrum, lever handle 37 can be limited to any position.Between operate lever and governor spring, be connected with a governor spring 44, governor lever rotates around main fulcrum 40, centrifugal speed governor 32 has multiple choices, flyball governor shown in Figure 3 is the most common, flyball governor 32 and bent axle interlock, flyball 34 is rotation thereupon also, speed is high more, claw 35 on the flyball drives controlling rod 36 and moves down, this controlling rod contacts with the other end of governor lever, thereby regulate fuel-flow control tooth bar 24, strigil has a position of determining relatively mainly by bolt, nut and clamping macromolecular material sheet and handle component sheet to guarantee handle.The parts that match with governor lever 23 also have idle spring 47 and end adjusting screw 46.
Cooling unit adopts the water-cooled evaporative heat loss formula water tank of similar single cylinder diesel engine, can omit condenser, water pump, radiation fan etc., includes only water tank, funnel and float and forms.
Claims (7)
1. diesel engine, comprise engine cylinder, bent axle, camshaft, fuel injection system, piston rod, assembly such as cooling water tank and gear chamber cover constitutes, connect bent axle and constitute connecting rod by piston rod, bent axle is provided with sector unit, be used to control the air inlet and the exhaust push rod of each stroke with the camshaft of bent axle interlock, it is characterized in that diesel engine cylinder is to adopt the horizontal horizontal type structure of two juxtaposed cylinders, the connecting rod of drawing from twin-tub connects same bent axle, the two ends of this bent axle are provided with bearing fixing on cylinder body, and are provided with belt pulley or the gear of exporting as power at an end of bent axle.
2. by the described diesel engine of claim 1, it is characterized in that cylinder body is a tunnel type to the supporting structure of bent axle, the bent axle intermediate support structure is a combined type, and the intermediate support seat is located on body and be fixing.
3. by claim 1,2 described diesel engine, it is characterized in that on bent axle, being provided with in addition equilibrium block, and be fixed on the sector unit or the lateral margin of sector unit by screw.
4. by claim 1,2 described diesel engine, it is characterized in that the fuel feed device is employing twin-tub unit fuel injection pump, and control the fuel-flow control of Injection Pump in conjunction with centrifugal speed governor interlock governor lever.
5. by claim 1,2 described diesel engine, it is characterized in that at the other end flywheel sidepiece at bent axle permanent magnet generator being installed, the stator coil of generator (25) is fixed with cylinder body, and the rotor of generator (26) is a permanent magnetism ring-type rotor.
6. by claim 1,2 described diesel engine, it is characterized in that cooling system adopts water-cooled evaporative heat loss formula water tank.
7. by claim 1,2 described diesel engine, it is characterized in that cylinder bore gets 85-110mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97236815 CN2311613Y (en) | 1997-08-15 | 1997-08-15 | Horizontal double-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97236815 CN2311613Y (en) | 1997-08-15 | 1997-08-15 | Horizontal double-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2311613Y true CN2311613Y (en) | 1999-03-24 |
Family
ID=33947595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97236815 Expired - Fee Related CN2311613Y (en) | 1997-08-15 | 1997-08-15 | Horizontal double-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2311613Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777539A (en) * | 2011-05-09 | 2012-11-14 | 光阳工业股份有限公司 | Vehicle power system |
-
1997
- 1997-08-15 CN CN 97236815 patent/CN2311613Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777539A (en) * | 2011-05-09 | 2012-11-14 | 光阳工业股份有限公司 | Vehicle power system |
| CN102777539B (en) * | 2011-05-09 | 2014-12-10 | 光阳工业股份有限公司 | Vehicle power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |