CN207538925U

CN207538925U - A kind of horizontally-opposed d-axis high speed air cooling engine

Info

Publication number: CN207538925U
Application number: CN201720402118.6U
Authority: CN
Inventors: 张道勤; 张琪玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-17
Filing date: 2017-04-17
Publication date: 2018-06-26
Anticipated expiration: 2027-04-17

Abstract

A kind of horizontally-opposed d-axis high speed air cooling engine provided by the utility model, including transmission component, transmission component is mounted in spindle box；The both sides of spindle box are equipped with cylinder assembly, and the cylinder assembly is mounted in horizontally-opposed on spindle box, and cylinder assembly is connect as the power part of transmission component with transmission component.The utility model replaces bent axle by d-axis, the power that cylinder generates prevents main shaft by vibrations caused by piston thrust by gear drive to d-axis output, it is connected between main shaft and piston by gear, main shaft is enable to adjust the rotating speed of main shaft output by adjusting the gearratio between gear, main shaft is enable to realize speedy carding process；Greatly reduce engine noise, spindle abrasion is also opposite to be reduced, timing gears can be slided in operation process by centrifugal force in support shaft, enable timing gears that can drive cylinder intake and oil inlet in advance in engine operation process, and cylinder advanced ignition is enable to export power.

Description

A kind of horizontally-opposed d-axis high speed air cooling engine

Technical field

The utility model is related to power transmission field more particularly to a kind of horizontally-opposed d-axis high speed air cooling engines.

Background technology

Present engine uses bent axle as output shaft, and piston rod is also directly to do manual work on bent axle, bent to reduce Generated centrifugal force when axoplasm amount and movement, crankshaft journal is often made hollow.Oil is provided in each journal surface Hole, to introduce or draw machine oil, to lubricate journal surface.To reduce stress concentration, trunnion, crank-pin and crank arm Junction all using transition arc connect, make Crankshaft Machining tedious process, it is impossible to be integrally machined, bent axle for it is hollow be also bent axle Intensity decrease to some degree；Existing engine ignition mechanism is conventionally known VVT (variable valve timing) and passes through biography To detect camshaft phase situation, to change the phase of inlet valve or exhaust valve open/close, (bent axle turns sensor measured deviation Angle).Usually in variable valve timing apparatus, change phase by making camshaft relative to rotations such as sprocket wheels, camshaft makes Inlet valve or exhaust valve open/close.Camshaft is rotated by the actuator of such as hydraulic mechanism or motor.Hydraulic variable The problem of valve timing apparatus be in cold weather either operation start in engine when as hydraulic pressure declines or The response of hydraulic control reduces, and the control accuracy of variable valve timing deteriorates.Burn engine has employed various mechanisms Change the opposite timing between camshaft and bent axle and discharged with improving the performance of engine or reducing.Mostly these are variable convex Wheel shaft timing (VCT) mechanism uses one or more on engine cam (or multiple camshafts in more cam axle engines) A " vane type phaser ".There are one rotors for vane type phaser tool, and there are one the rotor bandings or multiple blades, the rotor are pacified It is attached on the end of camshaft, which is surround by a housing unit with multiple vane rooms, these blades are mounted on this In a little vane rooms.It is possible that these blades are installed on housing unit, and equally it is fitted into these chambers of rotor assembly. The exterior circumference of housing form sprocket wheel, belt pulley either gear so as to by a chain, belt or multiple gears receive Driving force, the driving force is usually from bent axle or possible from another camshaft in cam engine more than one.It removes Variable cam timing (VCT) system of this camshaft torque actuation (CTA), main hydraulic pressure VCT system is in two kinds of originals Lower operating-the oil pressure activated (OPA) of reason or torque auxiliary (TA).In oil pressure activated VCT system, an oil control valve door (OCV) Engine oil pressure is directed to an operating room in VCT phasers, while the phase that emptying is defined by the housing, rotor and blade Anti- operating room.This generates a pressure differential across one or more blades so as in one direction or another The hydraulic drive VCT phasers.Valve is become neutral or be moved to empty position can apply in the opposite side of blade it is equal Pressure, and the phaser is maintained at any centre position.If the phaser is mobile so that multiple gas in one direction Door quickly opens or closes, then the phaser is referred to as in advance, and is made if the phaser is mobile in one direction It obtains multiple valves to open or close delay, then the phaser is referred to as delay.Torque assists (TA) system similar It is operated under principle, in addition to there are torque auxiliary system one or more check valves the VCT phasers to be prevented to be commanded at one Opposite direction on move, and such case causes a reaction force (such as torque).The problem of OPA or TA systems is, All oil are advanced or delayed the position discharged and fill opposite room in operating room by oil control valve door acquiescence in a kind of from this On.In this mode, phaser acquiescence is moved to the limit stop position of a locking pin engagement in one direction.Starting During engine start cycle when machine does not form any oil pressure, OPA or TA systems, which can not guide the VCT phasers, take office One other positions.The phaser is limited to be merely able to move in one direction in default mode by this.In the past, this is can With receiving, because when engine is shut down and during engine start, which will be commanded as being locked in the limit One of stroke limit place (postpones) in advance or completely completely.However, recent calibration in VCT system it has been proved that be in Some centre position rather than start engine in the case of the limit stop position there are sizable benefits.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of horizontally-opposed d-axis high speed air cooling engine, it should Horizontally-opposed d-axis high speed air cooling engine is cancelled is used as output shaft using bent axle, passes through piston rod bias connection gear. Engine output shaft is driven by gear.

The utility model is achieved by the following technical programs.

A kind of horizontally-opposed d-axis high speed air cooling engine provided by the utility model, including transmission component, transmission component In spindle box；The both sides of spindle box are equipped with cylinder assembly, and the cylinder assembly is mounted on spindle box in horizontally-opposed On, cylinder assembly is connect as the power part of transmission component with transmission component.

Middle part has been arranged alternately multiple support bases and work nest in the spindle box, and support base both ends are both provided with bearing Slot, the both ends of the spindle box are respectively arranged with enegine pit and timing tooth socket.

The transmission component includes its output shaft main shaft, and the power resources of main shaft by spindle transmission gear in being engaged therewith Driving gear, driving gear driven by piston rod in cylinder assembly, the both ends of the main shaft be separately installed with flywheel and With timing transmission gear in enegine pit and timing tooth socket, the timing transmission gear is engaged with timing gears, and timing gears lead to It crosses spring bearing support to be mounted on support base, the output terminal of the main shaft is arranged on flywheel rear end.

The cylinder-driven axis is splined shaft, and cylinder-driven axis one end end is set as helical spline, timing gears installation On helical spline.

The main shaft is engaged by spindle transmission gear with driving gear, the quantity phase of spindle transmission gear and driving gear With and for even number.

The driving gear between two adjacent support bases, is led to by rotating shaft support between adjacent two driving gears Cross pitman shaft Hinged piston bar.

By forming one group after connecting rod axis connection, every group of two driving gear outer ends are connected with matches the driving gear Weight, counterweight weight centered on the center of circle of driving gear are gradually successively decreased, and the counterweight is mounted on the opposite end of pitman shaft.

Sliding slot is provided in the timing gears, sliding slot is tilted toward axis outer end, and sliding part, the timing are equipped in sliding slot The other end that the outer end of gear has resetting spring to be mounted on cylinder-driven axis upper reset spring is contacted with the inner face of case lid.

The output terminal of the main shaft stretches out the outer direct-drive of spindle box to gearbox.

The cylinder assembly includes the piston rod hinged with pitman shaft, and piston rod is mounted in cylinder, the installation of cylinder upper end Oil pump, oil pump are engaged driving with oil pump transmission tooth by oil pump drive gear, and the cylinder assembly is further included with pneumatic module, distribution Component is driven by its internal transmission parts, and transmission parts are stung by the transmission helical gear on driven gear and cylinder transmission shaft It closes.

The beneficial effects of the utility model are：Bent axle is replaced by d-axis, the power that cylinder generates passes through gear drive Prevent main shaft from being connected, making by gear between main shaft and piston rod by vibrations caused by piston rod thrust to d-axis output Main shaft can adjust the rotating speed of main shaft output by adjusting the gearratio between gear, and main shaft is enable to realize speedy carding process；It is main Axis is also more smoothed out without the interference rotation of piston rod thrust, greatly reduces engine noise, and spindle abrasion is also opposite to be subtracted It is few, make engine operating more preferably reliable, service life lengthening；Timing gears can be by centrifugal force in support shaft in operation process Upper slip enables timing gears that can drive cylinder intake and oil inlet in advance in engine operation process, makes engine air Cylinder can advanced ignition output power, the advanced timing of the application can control distribution and fuel feeding simultaneously, can be according to engine Rotating speed adjust automatically advanced timing igniting time size.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the timing gear axial section structure diagram of the utility model；

Fig. 3 is the piston rod transmission component structure chart of the utility model；

Fig. 4 is the A-A of Fig. 1 of the utility model to sectional view；

Fig. 5 is the example structure figure of the utility model；

In figure：1- spindle boxes, 11- support bases, 111- bearing grooves, 12- work nests, the excuse of 121- cylinders, 13- enegine pits, 131- flywheels, 14- timing tooth sockets, 2- cylinder assemblies, 21- piston rod bars, 22- cylinders, 23- transmission parts, 231- driven gears, 24- oil pumps, 241- oil pump drive gears, 25- match pneumatic module, 3- case lids, 4- transmission components, 41- main shafts, 411- spindle drive teeth Wheel, 412- main shaft support bearings, 413- timing transmission gears, 414- intermediate gears, 415- output shafts, 416- output gears, 42- Cylinder-driven axis, 421- timing gears, 4211- sliding slots, 4212- sliding parts, 422- resetting springs, 423- transmission helical gears, 424- annular grooves, 425- spring bearings, 426- oil pump transmission teeth, 43- driving gears, 431- counterweights, 44- pitman shafts.

Specific embodiment

Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.

A kind of horizontally-opposed d-axis high speed air cooling engine, including transmission component 4, transmission component 4 is mounted on spindle box 1 It is interior；The both sides of spindle box 1 are equipped with cylinder assembly 2, and the cylinder assembly 2 is mounted in horizontally-opposed on spindle box 1, cylinder Component 2 is connect as the power part of transmission component 4 with transmission component 4.One group of the installation in each work nest 12 of spindle box Transmission component 4, transmission component 4 are driven by cylinder assembly 2, are replaced driving output power by d-axis, are made engine power defeated Go out smooth-going.

Middle part has been arranged alternately multiple support bases 11 and work nest 12 in the spindle box 1, and support base 11 is used to support master Axis 41, cylinder-driven axis 42, driving gear 43, work of the work nest 12 as main shaft 41, cylinder-driven axis 42, driving gear 43 Apron space；11 both ends of support base are both provided with bearing groove 111, and bearing groove 111 is installed to bearing and positioned, and facilitate support base 11 solid Dead axle is held, and the both ends of the spindle box 1 are respectively arranged with enegine pit 13 and timing tooth socket 14, enegine pit 13 and timing tooth socket 14 Respectively working space is provided to flywheel 131 and timing gears 421.

The transmission component 4 includes its output shaft main shaft 41, and the power resources of main shaft 41 in passing through spindle drive tooth therewith The driving gear 43 of 411 occlusion of wheel, driving gear 43 are driven by the piston rod 21 in cylinder assembly 2, and driving gear 43 is suitable In traditional bent axle, rotated under the promotion of piston rod 21 and power transmission to main shaft 41 is exported into power, and driving gear 43 It is by engaged gears between main shaft 41, can prevents main shaft from being shaken by caused by 21 thrust of piston rod, engaged gears Power delivery mode, which also obtains main shaft, to adjust its power output by gearratio number that gear is shown in, more so that engine can Higher rotating speed is obtained with large transmission ratio by spindle transmission gear 43 and spindle transmission gear 411, main shaft 41 is without work The interference rotation of stopper rod thrust also more smoothes out, and greatly reduces engine noise, and spindle abrasion is also opposite to be reduced, and makes engine Operating is more preferably reliable, and service life lengthens.

Further, the both ends of the main shaft 41 are separately installed with flywheel 131 and with timing transmission gear 413 in enegine pit 13 and timing tooth socket 14 in, for main shaft again by flywheel balancing, flywheel is the larger inertia disk of a quality, it store up energy Amount supplies the demand of non-expansion space stroke, and entire bent link mechanism is driven to cross upper and lower stop, ensures engine crankshaft rotation The uniformity of inertial rotation and the uniformity of output torque, by means of the inertia force that itself is rotated, cylinder when help overcomes starting In resistance to compression pression and maintain remaining in operation for engine during short-term overload.The flywheel of multicylinder engine should carry out together with bent axle Dynamic balancing, the centrifugal force generated when reducing in main shaft when rotated because mass unbalance will cause engine luggine, reduce The abrasion of base bearing.The timing transmission gear 413 is engaged with timing gears 421, and timing gears 421 pass through spring bearing 425 Support is mounted on support base 11, and the output terminal of the main shaft 41 is arranged on 131 rear end of flywheel, and main shaft 41 is in flywheel rear end The balance that point have passed through flywheel is most stable of output point, makes the power that engine is output to gearbox most stable.

The cylinder-driven axis 42 is splined shaft, makes cylinder-driven axis 42 more preferably steady in installing gear and making operational process Fixed, 42 one end end of cylinder-driven axis is set as helical spline, and timing gears 421 are mounted on helical spline, timing gears 421 Clearance fit is mounted on helical spline, and when the engine is running, timing gears 421 can be slided along helical spline, make timing gear Wheel 421 can in advance drive cylinder intake and oil inlet in engine operation process, enable cylinder predicted point Fire output power.

Further, it in order to which timing gears 421 can be slided along helical spline direction, is set in the timing gears 421 Have a sliding slot 4211, sliding slot 4211 is tilted toward axis outer end, is equipped with sliding part 4212 in sliding slot 4211, sliding part 4212 for cylinder or Ball is that quality is larger, component of smooth surface, and when timing gears 421 rotate, sliding part 4212 follows rotation, and centrifuging The inclined direction of power effect lower edge sliding slot 4211, which slides, gives timing gears 421 1 thrust to axis outer end, enables timing gears It is enough to be slided along helical spline direction, timing gears 421 is made to rotate some angles relative to original assembling position, and can have more Its displacement slided on spline of the running speed of engine and adjust automatically, makes timing gears 421 rotate the angle of bigger, leads to It crosses under centrifugal force effect and slides to 421 1 thrust to axis outer end of timing gears along the inclined direction of sliding slot 4211 and reset bullet Dynamic balance between spring 422 controls the time of adjustment advanced ignition, the other end of resetting spring 422 and the inner face of case lid 3 Contact, resetting spring reset timing gear after 421 power cut-off of timing gears.

The main shaft 41 is engaged by spindle transmission gear 411 with driving gear 43, spindle transmission gear 411 and driving tooth The quantity of wheel 43 is identical and is even number, and two spindle transmission gears 411 are the driving spindle to be connected always with piston rod 21 Rotation, mainshaft gear 43 and the purpose of its quantity always are for balanced support spindle transmission gear 411, make spindle transmission gear 411 are transferred to the dynamic equilibrium of main shaft 21, prevent connecting rod from generating out of plumb and unbalanced power to main shaft dry to the rotation of main shaft 21 It disturbs.

The driving gear 43 by rotating shaft support between two adjacent support bases 11, adjacent two driving gears 43 Between by 44 Hinged piston bar 21 of pitman shaft, two destined gears 43 are united support driving gear 43 by pitman shaft 44 It is rotated under piston rod promotion.

The driving gear 43 forms one group after being connected by pitman shaft 44, and every group of two 43 outer ends of driving gear are affixed There is counterweight 431, the weight centered on the center of circle of driving gear 43 of counterweight 431 is gradually successively decreased, and the counterweight 431 is mounted on pitman shaft 44 opposite end.Counterweight 431 can be returned in 43 operation process of driving gear when piston rod runs to upper indication to piston rod Turn to provide inertia force, the shake generated during promotion of the piston rod to driving gear 43 can be reduced when piston rod runs to lower dead center It is dynamic.

The output terminal of the main shaft 41 as shown in Figure 1 stretches out 1 outer direct-drive of spindle box to gearbox, is main shaft output tool There is the rotating speed of bigger；

Preferably, 41 output terminal of main shaft is arranged in spindle box 1 as shown in Figure 5, the installation biography output gear on main shaft 21 Wheel 416, output gear 416 by output shaft 415 say power output after being engaged with intermediate gear 414, can be by adjusting output Gearratio between gear 416 and intermediate gear 414 and the size that adjusts output speed realizes output speedup or deceleration.

The cylinder assembly 2 includes the piston rod 21 hinged with pitman shaft 44, and piston rod 21 is mounted in cylinder 22, cylinder Oil pump 24 is installed in 22 upper ends, and oil pump 24 is engaged driving, the air cylinder group with oil pump transmission tooth 426 by oil pump drive gear 241 Part 2 is further included with pneumatic module 25, is driven with pneumatic module 25 by its internal transmission parts 23, transmission parts 23 pass through driven tooth Transmission helical gear 423 on wheel 231 and cylinder transmission shaft 42 is engaged, and distribution and oil intake assembly are carried out by timing gears 421 Driving, enables engines distribution and oil inlet and the operating accurate fit of piston rod, makes main shaft operation more preferably smooth.

Claims

1. a kind of horizontally-opposed d-axis high speed air cooling engine, including transmission component (4), transmission component (4) is mounted on spindle box (1) in, the both sides of spindle box (1) are equipped with cylinder assembly (2), it is characterised in that：The cylinder assembly (2) is in horizontally-opposed peace On spindle box (1), cylinder assembly (2) is connect as the power part of transmission component (4) with transmission component (4).

2. horizontally-opposed d-axis high speed air cooling engine as described in claim 1, it is characterised in that：In the spindle box (1) Middle part has been arranged alternately multiple support bases (11) and work nest (12), and support base (11) both ends are both provided with bearing groove (111), institute The both ends for stating spindle box (1) are respectively arranged with enegine pit (13) and timing tooth socket (14).

3. horizontally-opposed d-axis high speed air cooling engine as described in claim 1, it is characterised in that：The transmission component (4) Including its output shaft main shaft (41), the power resources of main shaft (41) are in the active being engaged therewith by spindle transmission gear (411) Gear (43), driving gear (43) are driven by the piston rod (21) in cylinder assembly (2), the both ends difference of the main shaft (41) Flywheel (131) and timing transmission gear (413) are installed, flywheel (131) and timing transmission gear (413) are separately positioned on flywheel In slot (13) and timing tooth socket (14), the timing transmission gear (413) is engaged with timing gears (421), timing gears (421) On cylinder-driven axis (42), cylinder-driven axis (42) is mounted on by spring bearing (425) support on support base (11), The output terminal of the main shaft (41) is arranged on flywheel (131) rear end.

4. horizontally-opposed d-axis high speed air cooling engine as claimed in claim 3, it is characterised in that：The cylinder-driven axis (42) it is splined shaft, cylinder-driven axis (42) one end end is set as helical spline, and timing gears (421) are mounted on helical spline On.

5. horizontally-opposed d-axis high speed air cooling engine as claimed in claim 3, it is characterised in that：The main shaft (41) passes through Spindle transmission gear (411) is engaged with driving gear (43), and spindle transmission gear (411) is identical with the quantity of driving gear (43) And it is even number.

6. horizontally-opposed d-axis high speed air cooling engine as claimed in claim 3, it is characterised in that：The driving gear (43) By rotating shaft support between two adjacent support bases (11), pass through pitman shaft (44) between adjacent two driving gears (43) Hinged piston bar (21).

7. horizontally-opposed d-axis high speed air cooling engine as claimed in claim 3, it is characterised in that：The driving gear (43) One group is formed after being connected by pitman shaft (44), every group of two driving gear (43) outer ends are connected with counterweight (431), counterweight (431) weight is gradually successively decreased centered on the center of circle of driving gear (43), and the counterweight (431) is mounted on the phase of pitman shaft (44) Opposite end.

8. horizontally-opposed d-axis high speed air cooling engine as claimed in claim 3, it is characterised in that：The timing gears (421) sliding slot (4211) is provided in, sliding slot (4211) is tilted toward axis outer end, and sliding part is equipped in sliding slot (4211) (4212), there is resetting spring (422) in the outer end of the timing gears (421) on cylinder-driven axis (42), resetting spring (422) the other end is contacted with the inner face of case lid (3).

9. horizontally-opposed d-axis high speed air cooling engine as claimed in claim 3, it is characterised in that：The main shaft (41) it is defeated Outlet stretches out spindle box (1) outer direct-drive to gearbox.

10. the horizontally-opposed d-axis high speed air cooling engine as described in claim 1 or 3, it is characterised in that：The cylinder assembly (2) including the piston rod (21) hinged with pitman shaft (44), piston rod (21) is in cylinder (22), cylinder (22) upper end peace Oil loading pump (24), oil pump (24) are engaged driving, the air cylinder group by oil pump drive gear (241) with oil pump transmission tooth (426) Part (2) is further included with pneumatic module (25), is driven with pneumatic module (25) by its internal transmission parts (23), transmission parts (23) It is engaged by the transmission helical gear (423) on driven gear (231) and cylinder transmission shaft (42).