CN1067299A - Manually and automatic slepless power variable speed case - Google Patents
Manually and automatic slepless power variable speed case Download PDFInfo
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- CN1067299A CN1067299A CN91107212A CN91107212A CN1067299A CN 1067299 A CN1067299 A CN 1067299A CN 91107212 A CN91107212 A CN 91107212A CN 91107212 A CN91107212 A CN 91107212A CN 1067299 A CN1067299 A CN 1067299A
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Abstract
The present invention discloses a kind of gear type slepless power variable speed case, is applicable to the mechanical transmission in various fields, belongs to the mechanical transmissioning technology field.By front and back differential planetary row, dead axle " planet " row, speed brake and hydraulic control system are formed.It is characterized in that: preceding planet row ring gear links to each other with dead axle " planet " row sun gear, dead axle " planet " row ring gear links to each other with back planet rows of planetary frame, front and back planet row sun gear links to each other, planet was arranged between ring gear and the casing before speed brake placed, power is imported by front planetary line, by rear central gear shaft output, change speed brake oil pressure or load, can realize manually and automatic stepless speed-regulating, neutral and stall.
Description
The invention provides the manual and automatic slepless power variable speed case of a kind of gear type, belong to the mechanical transmissioning technology field.
Multiple infinitely variable transmissions such as now existing toothed-chain type, belt, single-deck formula, multi-disc type, conical ring formula, pulsed, planet gear type, steel ball type and planar linkage formula.Transmission power from tens watts to more than 150 kilowatts.Speed adjustable range forwards several commentaries on classics to from per minute from hundreds of.Persevering power and become power, stepless speed-regulating two classes, and be widely used on machinery such as light industry, chemical industry, weaving, lathe and all kinds of production lines.But the principle of the infinitely variable transmission transferring power of these types is mainly by friction, so generally all be in small-power, low speed state, and all belong to the general-purpose type infinitely variable transmission, mechanical efficiency can not be very high, can't satisfy vehicle, boats and ships etc. and require high-power, high-revolving needs.Transferring power principle of the present invention is mainly by gear transmission, so can overcome this weakness, the demand of satisfied high speed, heavy duty.
The objective of the invention is: provide a kind of permanent power manual and automatic slepless power variable speed case, the needs of the stepless change transmission that meets the demands; Other provides a kind of permanent power of special use manual and automatic slepless power variable speed case, to satisfy needs such as vehicle and boats and ships, the needs of the high-speed overload transmission that especially meets the demands.
Further purpose of the present invention be with special use manually and automatic slepless power variable speed case be used for vehicle, replace the low and complicated fluid torque converter of using on present heavy vehicle, pony car, the engineering vehicle of efficient, be added with a grade Powershift transmission, improve the manoeuvring performance and the working life of vehicle, improve mechanical efficiency, energy saving.
Specific purposes of the present invention provide a kind of differential planet gear driving mechanism that is made of front and back differential planetary gear row and dead axle " planet " gear row sealing, realize the differential planet gear transmission.
Another object of the present invention provides a kind of special Wet-type multi-disc disk slipping plate clutch-speed brake, be used for controlling the differential balance variation of differential planet gear transmission, realize stepless speed regulation, in case change the oil cylinder oil pressure of speed brake, just change the braking moment of speed brake, thereby changed the equalising torque of differential planetary transmission, and set up new balance, thereby cause each member change in rotational speed in the differential planetary transmission, realize the stepless power speed governing.
A further object of the invention promptly provides a kind of hydraulic control system, but this control system provides the pressure oil of change pressure to speed brake, lubricating cooling oil is provided for the friction plate of speed brake and other each position of gearbox, a machine oil cooler is arranged in this system, be used for controlling the thermal equilibrium oil temperature of this system.
Further object of the present invention provides two direction clutch and both direction planet rows that structural principle is identical with speed brake, to realize that vehicle advances, falls back and the neutral gear function.
The present invention also has a purpose to provide a kind of spcific power gearbox hydraulic control system again, be provided with a directional control valve in this system, be provided with pressure valve in the directional control valve, directional control valve, safety valve and uniaxial pressure modulation valve, pressure valve is to set up the control system oil pressure, directional control valve is the flow direction of controlling party to clutch pressure oil, realization is advanced, fall back and neutral gear, safety valve damages oil pump when preventing that pressure valve is stuck and is provided with, the uniaxial pressure modulation valve be for the direction clutch in conjunction with the time steady, quick oil extraction is provided with during separation, it is that directional control valve must place neutral position earlier that the directional control valve also has a Safety function, just can set up operating oil pressure.This function be for prevent driver's misplace directional lever in advance or the position of falling back on, ato unit is caused danger designs.
The present invention also has another purpose to provide a kind of automatic speed-changing and torque-converting function again, and when the speed brake oil pressure keeps certain certain value, when load changed, gearbox can adapt to by automatic speed-changing and torque-converting.
Design proposal of the present invention is as follows:
One. basic manual and automatic stepless speed change case best design:
This design proposal is made up of the two large divisions: first differential planetary transmission device, it two is hydraulic control systems.The differential planetary transmission device by preceding differential planetary gear arrange, dead axle " planet " gear row, back differential planetary gear row and speed brake form.It is characterized in that: preceding differential planetary row's ring gear links to each other with dead axle " planet " row's sun gear, dead axle " planet " row's ring gear links to each other with back differential planetary row's planet carrier, preceding differential planetary row's sun gear and back differential planetary row's sun gear links to each other, power is by preceding differential planetary row's planet carrier input, ring gear output by back differential planetary row constitutes the differential planet gear transmission device that collaborates again after the power dividing.Before placing, speed brake on differential planetary row's the ring gear, also can place on dead axle " planet " row's the ring gear.Speed brake is made up of oil cylinder, piston, active friction plate, driven friction, bearing plate, seal ring, ring gear, clutch housing again.It is characterized in that: active friction plate links to each other with ring gear with spline, driven friction links to each other with gear box casing with spline, oil cylinder, piston, bearing plate all place on the casing, main, driven friction is to be soaked in the pressure lubrication cold oil that seals, certain lubrication pressure is arranged, lubricating cooling oil is to be provided by hydraulic system, and is continuous circuit.Hydraulic control system is made up of oil pump, oil purifier, pressure valve, series flow control valve, cooler etc.It is characterized in that: oil pump is through strainer oil suction in the gear box, the oil that oil pump is got to pressure valve, after pressure valve is set up system pressure, cools off friction plate is lubricated to speed brake behind secondary filter, come out the back to the cooler cooling, lubricated through lubricated valve again after the cooling to gearbox.Series flow control valve is supplied with speed brake pressure oil from system oil pressure decompression back.
Also have big speed adjustable range design proposal to be: " planet " wheel among the dead axle in the preceding scheme " planet " row is changed into twin-stage by single-stage.It is characterized in that gearwheel and sun gear engagement, the small gear on the right and the ring gear engagement on twin-stage " planet " the wheel left side.
Also have bigger speed adjustable range design proposal to be: again the planet wheel among the back differential planetary row in the last scheme also to be changed into twin-stage by single-stage, it is characterized by small gear and sun gear engagement, the gearwheel on the right and the ring gear engagement on the twin-stage planet wheel left side.
Another kind of in addition big speed adjustable range design proposal is characterized by: the dead axle in the optimum scheme " planet " row's ring gear is changed into the sun gear of arranging with the back differential planetary link to each other, preceding differential planetary row's sun gear changes into back differential planetary row's planet carrier and linking to each other.
Two. general manual and automatic slepless power variable speed case best design:
This design proposal is to add an epicyclic gear train composition on the basis of basic manual and automatic slepless power variable speed case optimum scheme, it is characterized in that adding upper planet row's planet carrier and preceding differential planetary row's planet carrier formation duplex planet frame, ring gear and casing are fixed, sun gear links to each other with input coupling, power is imported by input coupling, pass to the stepless speed regulation part by the duplex planet frame, by back differential planetary row's ring gear output.
Also have other design proposal to be: based on basic manual and automatic slepless power variable speed case, different needs at each different field, adopt ordinary transmission or Gear Planet Transmission combined, change different Versatile manual and the automatic slepless power variable speed case of form that the input/output structure form constitutes suitable different demands with basic slepless power variable speed case.Its structure characteristic is: can be concentricity input output, also can be the input output of different center, can also be the input of different center, and concentricity output also can also be concentricity input, the output of different center.
Also having a kind of general manual and automatic slepless power variable speed case design proposal is on the basis of manually basic and automatic slepless power variable speed case optimum scheme in front, positive sign mechanism with the 2Z-X that meshes in the double-planetary gear replaces back differential planetary row, it is characterized in that dead axle " planet " row's the ring gear and the planet carrier of 2Z-X positive sign mechanism link to each other, preceding differential planetary row's sun gear and the right ring gear of 2Z-X positive sign mechanism link to each other, power is by the ring gear output on the 2Z-X positive sign mechanism left side, and the positive sign mechanism of 2Z-X can be that few tooth is poor.
Three. special-purpose manual and automatic slepless power variable speed case design proposal:
This design proposal is still based on basic manual and automatic slepless power variable speed case, add the both direction epicyclic gear train that falls back that advances by basic slepless power variable speed case, the both direction clutch, an input coupling and a directional control valve are formed, it is characterized in that: preceding differential planetary row's planet carrier with advance, reverse direction planet row's planet carrier constitutes three planet carriers, input coupling and advancing, the planet that falls back row's sun gear links into an integrated entity, advance, the reverse direction clutch places respectively and advances, on the planet that falls back row's the ring gear, the structure characteristic of both direction clutch is fully identical with speed brake, power is imported by input coupling, by back differential planetary row's ring gear output.
The directional control valve is made up of pressure valve, directional control valve, two uniaxial pressure modulation valves, it is characterized in that: four valves are assembled on the valve body, and pressure valve is preceding, and directional control valve is placed in the middle, and two uniaxial pressure modulation valves lean backward side by side.From the oil elder generation process pressure valve that system's working connection comes, again by directional control valve, at last by the uniaxial pressure modulation valve.The pressure valve the inside also has a safety valve, and pressure valve is made up of spring, steel ball, pressure valve core and valve body, and pressure valve core has annular oil groove, central oil passage hole and radial direction oil hole.Directional control valve is made up of direction valve rod, positioning work piece and valve body.The direction valve rod has annular oil groove, central oil passage hole and radial direction oil hole.The uniaxial pressure modulation valve is made of one-way throttle servo-actuated spool and valve body.The servo-actuated spool has center throttling pore and radial direction oil hole.
Also have other design proposal to be: based on basic manual and automatic slepless power variable speed case, add planetary gear type or fixed axis gear formula direction parts in its front, the direction clutch, add the fixed shaft gear part that satisfies centre distance and driving mode requirement in its back, in hydraulic control system, add haulage vehicle, engineering vehicle and the boats and ships gearbox design proposals of the suitable various different requirements of formation such as position control valve.Its structure characteristic can be concentricity input output, also can be concentricity input, and the output of different center can also be the input of different center, and concentricity output also can also be the input output of different center.
Be described in detail its design principle and method below in conjunction with accompanying drawing
One. basic manual and automatic slepless power variable speed case design principle and method
The transmission principle sketch of this best design is seen accompanying drawing 1, and the differential planet gear transmission device is seen accompanying drawing 2, and speed brake structural principle sketch is seen accompanying drawing 3.
The differential planet gear transmission device by preceding differential planetary arrange, dead axle " planet " row, back differential planetary row sealing constitute, and sees accompanying drawing 2.Preceding differential planetary row's ring gear 11(z3) the sun gear 4(z4 that arranges by link and dead axle " planet ") links to each other, dead axle " planet " row's ring gear 14(z6) planet carrier 3 with back differential planetary row links to each other, before differential planetary row's sun gear 5(z1) the sun gear 2(z7 that arranges with the back differential planetary) link to each other, the active friction plate of speed brake spline and speed governing gear ring 11(z3) link to each other, link to each other with gear box casing with spline from movable friction plate, piston, oil cylinder, bearing plates etc. all place on the casing, make the master, be immersed in the pressure lubrication cold oil that certain lubrication pressure is arranged that seals from movable friction plate, and lubricating cooling oil constantly circulates, so make the master, from the lubricating cooling oil that constantly flowing between the movable friction plate, form the oil film rubbing contact, and lubricant oil is constantly taken away fricative heat, so make the master, from movable friction plate motion not burning and the long characteristics of life-span of trackslipping are relatively for a long time arranged, lubricant oil makes piston reset in addition, the effect that friction plate is separated.The oil cylinder oil pressure of speed brake can change arbitrarily in the MTP scope of lubrication pressure that is less than or equal to friction plate and setting, and this variation is to be controlled by the series flow control valve in the hydraulic control system.The lubricant oil of speed brake and working oil all are that hydraulic system provides.
Two. general manual and automatic slepless power variable speed case design principle and method
General manually and the automatic slepless power variable speed case design principle be based on basic manually and automatic slepless power variable speed case, in its front or the back add Gear Planet Transmission or ordinary transmission parts formation.What the front added Gear Planet Transmission sees transmission principle sketch 5, the back driven off by shaft transmission principle sketch 6 of seeing of reordering.
Three. special-purpose manual and automatic slepless power variable speed case design principle and method
This gearbox design principle is to increase direction gear parts, direction clutch and directional control valve on basic manual and automatic slepless power variable speed case, add the fixed shaft gear part that adapts to different output forms, the optimum scheme of this gearbox is seen transmission principle sketch 7.The direction gear parts that this scheme execution vehicle advances, falls back are made up of the epicyclic gear train that advances, falls back, the planet that advances row is single file star-wheel gear row, the planet that falls back row is dual planetary gear gear row, both direction gear row's planet carrier and preceding differential planetary row's planet carrier design-three planet carriers in aggregates are seen 22 of accompanying drawing 8.Power is by input coupling 21 inputs, and planet carrier 22 outputs match with differential planet carrier input partly, at last by 17 outputs of output shaft coupling.When advancing, forward clutch F work, power is through sun gear 18(z10), planet wheel 25(z11), planet carrier 22 is passed to stepless part; When falling back, the clutch R that falls back work, power is through sun gear 20(z14), planet wheel 23(z15), 19(z13), planet carrier 22 is passed to stepless part.The active friction plate of direction clutch with spline respectively with ring gear 24(z16) 26(z12) link to each other, link to each other with gear box casing with spline from movable friction plate, oil cylinder, piston, bearing plate etc. all place on the casing, the structural principle of both direction clutch is fully identical with speed brake, all is Wet-type multi-disc disk slipping plate clutch.The combination of direction clutch is to be handled by the directional control valve in the hydraulic control system with separating, and the separation of the resetting of piston, friction plate is realize that by the pressure of lubricant oil the structural principle schematic representation of directional control valve is seen accompanying drawing 9.The directional control valve is mainly by valve body, pressure valve, directional control valve, and two uniaxial pressure modulation valves are formed, and pressure valve is to set up the working pressure of direction clutch and speed brake, also has a safety valve in the pressure valve, prevents to damage when pressure valve core is stuck oil pump.Directional control valve is the flow direction of pilot pressure oil approach axis clutch, thereby maneuver vehicle is advanced, fallen back or neutral gear.Directional control valve and pressure valve are united the formation Safety function: after promptly steering bar must place neutral position earlier, system pressure just can be set up, vehicle could start, and this function is for preventing that driver's misplace directional lever ato unit on the gear that advances, falls back from producing dangerous phenomenon and designing.The uniaxial pressure modulation valve is that controlling party is set up to the clutch pressure time-delay, make the oil cylinder oil pressure rise to operating oil pressure by zero gradually at short notice, make friction plate compress combination gradually, the working oil of other direction clutch is discharged rapidly, make vehicle launch, commutation steadily.The principle and the function front of stepless speed regulation part are stated, and obviously, this gearbox is used for vehicle etc., can be in smooth starting under the full load, commutation, can be manually and automatic stepless speed-regulating, and under overload or impact load, trackslip, stall, buffering, overload protection function.Can improve the manoeuvring performance and the working life of vehicle.
Description of drawings
Accompanying drawing 1 is that basic manually and the mechanical transmission and the hydraulic control system principle sketch of automatic slepless power variable speed case the fuel tank among the figure is meant gear box, and lubricant oil lubricates to gearbox, does not draw among the figure.Oil pump is by engine-driving, and Gu Tuzhong does not draw.
Accompanying drawing 2 be basic manually and the mechanical drive principle sketch of automatic slepless power variable speed case.Numeral 1,2 to 17 is indication member sequence numbers, and z1, z2 represent the number of teeth of indication gear to z9.
Accompanying drawing 3 is speed brake structural principle partial schematic diagrams.Numeral 27,28 to 38 is sequence numbers of each member of speed brake.
Accompanying drawing 4 is mechanical drive principle sketches of the basic manual and automatic slepless power variable speed case of big speed adjustable range.Z1, z2 represent the number of teeth of indication gear to z9.
Accompanying drawing 5 be general manually and the optimum scheme of automatic slepless power variable speed case.It is to add a planet row in the front of basic slepless power variable speed case, constitutes concentricity input output scheme.
Accompanying drawing 6 is the fixed shaft gear parts that add a different center output in the back of basic big speed adjustable range slepless power variable speed case, constitutes concentricity input, the general slepless power variable speed case scheme of different center output.
Accompanying drawing 7 is the optimum scheme of the manual and automatic slepless power variable speed case of vehicle special use.Comprising mechanical drive principle sketch and hydraulic control system principle sketch, oil suction case and oil sump tank are meant gear box, and the lubricant oil that comes out from lubricated valve cools off to gearbox is lubricated, and oil pump is not drawn among the figure by engine-driving.
Accompanying drawing 8 is mechanical drive principle sketches of the slepless power variable speed case of special use, and 1,5,8 to 26 is indication member sequence numbers among the figure, z1, and z2 is the number of teeth of indication gear to z16, and F represents forward clutch, and R represents back clutch, and T represents speed brake.
Accompanying drawing 9 is the directional control valve arrangement principle schematic of joining special-purpose slepless power variable speed case, shown position is that motor does not start (being that oil pump is not activated), the directional control handle places the F position of advancing, when this position, behind the engine start, handle oil pressure and be in the drain charge state, though directional lever is in the F position of advancing, but traveling vehicle not, have only Joystick got back to neutral gear and puts N after, place advance F or the R position of falling back just can drive a vehicle again.
Accompanying drawing 10 is mechanical drive principle sketches of fork truck class slepless power variable speed case, and it is to add the ordinary transmission parts to constitute the input of different center in the front of basic slepless power variable speed case, concentricity output scheme, and gearbox carries oil feed pump.
Accompanying drawing 11 is mechanical drive principle sketches of bulldozer class gearbox, and it is to add that in the back of the slepless power variable speed case optimum scheme of special use dead axle output gear parts constitute concentricity input, different center output scheme.F represents forward clutch, and R represents the clutch that falls back, and T is a speed brake, and z1 is the number of teeth of indication gear to z18.
Accompanying drawing 12 is mechanical drive principle sketches of loader class slepless power variable speed case.It is to add a planet row in basic slepless power variable speed case front, constitutes concentricity input, different center output (forward and backward bridge driving) scheme.
The advantage of this gearbox is as follows:
One. the advantage of general manual and automatic slepless power variable speed case:
1. this gearbox transferring power mainly is that transmitted power is big by gear, adapts to the rotating speed height, can satisfy the needs of high speed, heavy duty.
2. owing to adopt power stepless speed regulation, control speed brake oil pressure changes, and can realize manually and automatic stepless speed change, can be under full load any speed change on demand, and speed change is steady, does not have and impacts, and can realize remote control and automatic control.
3. owing to be differential stepless speed regulation, reaction block, highly sensitive.
4. constant-power, stepless speed-regulating, speed changes, and moment of torsion is with regard to respective change, and the adaptation condition performance is good.
5. speed adjustable range is big, chooses different Parameter of Planet Bars a1, and a2, a3 just can realize the speed adjustable range that each are different.
6. can concentricity input and output, also can the input and output of different center, can also concentricity input, the output of different center also can also the input of different center, concentricity output, it is good that adaptability is installed.
7. simple in structure, no matter great speed adjustable range as long as a speed brake is just much of that, and has been cancelled back-moving spring and the spring base of being accustomed in the clutch in the brake, hydraulic control system is simple.
8. transmission efficiency height, transport motion is a lot of in this gearbox, and clutch is minimum, and power loss is little, so the transmission efficiency height.
Two. the advantage of special-purpose manual and automatic slepless power variable speed case:
Special-purpose slepless power variable speed case also has following advantages except the advantage with general slepless power variable speed case:
Special-purpose manually and only advance in the automatic slepless power variable speed case and fall back both direction clutch and a speed brake just enough, also cancelled back-moving spring and spring base in the direction clutch, hydraulic control system and structure just relative much more simply.
2. special-purpose infinitely variable transmission does not need to join torque-converters, and has the function of automatic gear-box-can be at smooth starting under the full load, commutation, fluid drive, bending moment, stall, overload protection, can clean boot, and maneuvering performance and the service life that can improve vehicle.
3. cancelled inefficient fluid torque-converter, mechanical efficiency can improve a lot, can carry out gamut stepless speed regulation under the throttle arbitrarily, can fuel savings.
Embodiment 1: basic slepless power variable speed case, transmission principle sketch accompanying drawing 4.
Motor power (output) 5-10KW, 960 rev/mins of motors speed.
The gearbox major parameter is as follows:
1. z1＝19 z2＝38 z3＝95 a1＝5 m＝1.75
2. z4＝27 z5＝60 z5＝24 z6＝111 a2＝10.2777 m＝1.75
3. z7＝48 z8＝24 z9＝96 a3＝2 m＝1.75
4. Imin＝0.3333 Imax＝∞
5. It＝∞
2: six ton forklift gearboxes of embodiment, transmission principle sketch accompanying drawing 11.
Engine model: Q6100
Peak output: 135 horsepowers/3000 rev/mins
Maximum Torque: 36 kilograms. rice/(1200-1400) rev/min
The gearbox major parameter is as follows:
1. z1＝21 z2＝24 z3＝69 a1＝3.2857 m＝3
2. z4＝27 z5＝33 z6＝93 a2＝3.4 m＝3
3. z7＝42 z8＝21 z9＝84 a3＝2 m＝3
4. z10＝22 z11＝23 z12＝68 a4＝3.09 m＝3
5. z13＝21 z14＝24 z15＝21 z16＝75 a5＝3.125 m＝3
6. z17＝24 z18＝36 m＝4.5
7. Inn1f＝4.09 Inn1r＝4.125
8. In1n5max＝∞ In1n5min＝0.4667 It＝∞
9. In5n6＝1.5
10. Ifmax＝∞ Ifmin＝2.8632
11. Irmax＝∞ Irmin＝2.8877
Annotate: m is a module
Inn1f is a direction row forward speed ratio
Inn1r is that direction is arranged the speed ratio that falls back
In1n5max is stepless part slowest ratio
In1n5min is the minimum speed ratio of stepless part
It is a speed ratio
In5n6 is output dead axle part speed ratio
Ifmax is the maximum overall ratio that advances
Ifmin is the minimum overall ratio that advances
Irmax is the maximum overall ratio that falls back
Irmin is the minimum overall ratio that falls back
Claims (10)
1, manual and the automatic slepless power variable speed case of a kind of gear type, belong to the mechanical transmissioning technology field, it is characterized in that: gearbox is made up of differential planetary transmission device and hydraulic control system two-part, the differential planetary transmission device is by the preceding differential planetary row of routine, dead axle " planet " row, back differential planetary row sealing adds special speed brake and constitutes, speed brake is again by the oil cylinder of routine, piston, bearing plate, clutch housing, ring gear, seal ring and master, form from movable friction plate, hydraulic control system is by the oil pump of routine, oil purifier, pressure valve, series flow control valve and cooler are formed, the feature of optimum scheme of the present invention is: preceding differential planetary row's ring gear links to each other with dead axle " planet " row's sun gear, dead axle " planet " row's ring gear links to each other with back differential planetary row's planet carrier, two sun gears of front and back differential planetary row link to each other, power is by preceding differential planetary row's planet carrier input, ring gear output by back differential planetary row, before the speed governing automation places on differential planetary row's the ring gear or place on dead axle " planet " row's the ring gear, the feature of speed brake is a Wet-type multi-disc disk sliding clutch, active friction plate links to each other with spline with ring gear, link to each other with spline with casing from movable friction plate, oil cylinder, piston, bearing plate places on the casing, the principal and subordinate movable friction plate is soaked in and seals, circuit, have in the pressure lubrication cold oil of certain pressure, cancelled the Returnning spring of conventional clutch etc., the oil groove of active friction plate is by radially oil groove and ring oil groove constitute, main, from the motor function of trackslipping is relatively for a long time arranged between the movable friction plate, the oil cylinder oil pressure of speed brake can change arbitrarily to the setting pressure scope zero, series flow control valve reduces pressure from default pressure and supplies with speed brake, and control speed brake oil pressure changes realizes the manual and automatic stepless power speed governing of permanent power, neutral gear and stall.
2, power 1, it is characterized in that twin-stage " planet " wheel replaces dead axle " planet " row's single-stage " planet " wheel, the gearwheel on twin-stage " planet " the wheel left side and sun gear engagement, and the small gear on the right and ring gear engagement.
3, power 1 or power 2 is characterized in that replacing the single-stage planetary wheel that the back differential planetary is arranged with the twin-stage planet wheel small gear on the twin-stage planet wheel left side and sun gear engagement, the gearwheel on the right and ring gear engagement.
4, power 1 or power 2 or power 3, differential planetary row front adds a planet row before it is characterized in that, add upper planet row's planet carrier and preceding differential planetary row's planet carrier and constitute the duplex planet frame, ring gear and casing are fixed, sun gear links to each other with input coupling, and power is imported by input coupling, passes to the stepless speed regulation part by the duplex planet frame, or adding one-level parallel axes ordinary transmission in its back, power is exported by parallel pinion shaft.
5, power 1 or power 2 or power 3 is characterized in that adding in its front different center outer gearing of upper level parallel axes or vertical shaft outer gearing transmission.
6, power 1 or power 2 or power 3, it is characterized in that adding the both direction planet row that falls back that advances in its front, the both direction clutch, an input coupling and a directional control valve, before differential planetary row planet carrier with advance, reverse direction planet row's planet carrier constitutes three planet carriers, input coupling and advancing, the planet that falls back row's sun gear links into an integrated entity, advance, the reverse direction clutch places respectively and advances, on the planet that falls back row's the ring gear, the structure characteristic of both direction clutch is fully identical with speed brake, power is imported by input coupling, through sun gear, planet wheel is passed to the stepless speed regulation part by three planet carriers, in the directional control valve pressure valve is arranged, directional control valve, two uniaxial pressure modulation valves, four valves are assembled on the valve body, pressure valve is preceding, directional control valve is placed in the middle, two uniaxial pressure modulation valves lean backward side by side, from the oil elder generation process pressure valve that the hydraulic control system working connection comes, pass through directional control valve again, at last by the uniaxial pressure modulation valve, the pressure valve the inside also has a safety valve, pressure valve is by spring, steel ball, composition such as pressure valve core and valve body, pressure valve core has annular oil groove, central oil passage hole and radial direction oil hole, directional control valve is by the direction valve rod, positioning work piece and valve body are formed, the direction valve rod has annular oil groove, center and radial direction oil hole, the uniaxial pressure modulation valve is made of one-way throttle servo-actuated spool and valve body, and the servo-actuated spool has center throttling pore and radial direction oil hole.
7, power 6, it is characterized by thereafter to add one-level or the transmission of two-stage parallel axis fixed axis gear, and the output of different center, output form can singly be exported, also can dual output.
8, power 3, it is characterized in that adding the advancing of parallel axes fixed axis gear transmission, the reverse direction clutch of different center input in its front and advance, the reverse direction gear transmission part, the directional control valve, the direction clutch is except that whole clutch rotation, structural principle is fully identical with speed brake, can also utilize the reverse gear axle to drive an oil pump.
9, power 3, it is characterized in that changing the ring gear that dead axle " planet " is arranged into arrange with the back differential planetary sun gear links to each other, and preceding differential planetary row's sun gear changes the planet carrier of arranging with the back differential planetary into and links to each other, the ring gear output that power is arranged by the back differential planetary.
10, power 1 or power 2, it is characterized in that replacing back differential planetary row with the positive sign mechanism of the 2Z-X of engagement in the double-planetary gear, the planet carrier of the positive sign mechanism of dead axle " planet " row's ring gear and 2Z-X is linked to each other, preceding differential planetary row's sun gear and the right ring gear of 2Z-X positive sign mechanism link to each other, power is by the ring gear output on the 2Z-X positive sign mechanism left side, and the 2Z-X positive sign mechanism can be that few tooth is poor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91107212A CN1045016C (en) | 1991-05-25 | 1991-05-25 | Manual and automatic slepless power variable speed case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91107212A CN1045016C (en) | 1991-05-25 | 1991-05-25 | Manual and automatic slepless power variable speed case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1067299A true CN1067299A (en) | 1992-12-23 |
| CN1045016C CN1045016C (en) | 1999-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91107212A Expired - Fee Related CN1045016C (en) | 1991-05-25 | 1991-05-25 | Manual and automatic slepless power variable speed case |
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| Country | Link |
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| CN (1) | CN1045016C (en) |
Cited By (16)
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| WO2009036655A1 (en) * | 2007-09-18 | 2009-03-26 | Shizhang Liu | Hydrokinetic synchronizing transmission |
| CN100516590C (en) * | 2007-08-08 | 2009-07-22 | 绍兴前进齿轮箱有限公司 | Gear box with built-in braking system |
| CN101235880B (en) * | 2008-02-26 | 2010-06-09 | 张耀新 | Manual/automatic integrated speed-changer |
| CN102052442A (en) * | 2009-10-30 | 2011-05-11 | 熊晟 | Ahead running reduction box with hydraulic torque-converting coupler |
| CN102062199A (en) * | 2011-01-21 | 2011-05-18 | 力帆实业(集团)股份有限公司 | Transmission gear for comprehensive test bed of pure electric vehicle |
| CN102155526A (en) * | 2011-04-12 | 2011-08-17 | 江苏大学 | Mechanical-hydraulic bonding composite stepless speed regulating device |
| CN102182799A (en) * | 2011-03-11 | 2011-09-14 | 李金东 | Automatic gearbox of electric automobile |
| CN102287492A (en) * | 2011-05-18 | 2011-12-21 | 向兵 | Multi-clutch transmission of axis fixed planet gear-type |
| CN101230909B (en) * | 2006-10-26 | 2012-01-11 | 通用汽车环球科技运作公司 | Method and apparatus to control operation of a hydraulic control circuit for an electro-mechanical transmission |
| CN102691621A (en) * | 2012-06-18 | 2012-09-26 | 袁宗凡 | Novel wind driven generator |
| CN102975577A (en) * | 2012-12-06 | 2013-03-20 | 安徽合力股份有限公司 | Multi-functional wet axle of 5-10 T fork-lift truck |
| CN103291864A (en) * | 2012-10-12 | 2013-09-11 | 张力 | Multi-power control automatic stepless gearbox |
| CN103551601A (en) * | 2013-11-04 | 2014-02-05 | 大连飞达重型机床制造有限公司 | Hydraulic two-gear numerical control stepless gearbox |
| CN108730466A (en) * | 2018-06-12 | 2018-11-02 | 王文贵 | Manually and automatically slepless power variable speed case |
| CN113120221A (en) * | 2021-03-11 | 2021-07-16 | 重庆大学 | Heavy-load high-speed-ratio rotating mechanism for electrically overturning and folding wings |
| CN113638735A (en) * | 2021-07-06 | 2021-11-12 | 中国地质大学（武汉） | Manual-automatic integrated non-electric connection drilling inclinometer and measuring method |
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1991
- 1991-05-25 CN CN91107212A patent/CN1045016C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230909B (en) * | 2006-10-26 | 2012-01-11 | 通用汽车环球科技运作公司 | Method and apparatus to control operation of a hydraulic control circuit for an electro-mechanical transmission |
| CN100516590C (en) * | 2007-08-08 | 2009-07-22 | 绍兴前进齿轮箱有限公司 | Gear box with built-in braking system |
| WO2009036655A1 (en) * | 2007-09-18 | 2009-03-26 | Shizhang Liu | Hydrokinetic synchronizing transmission |
| CN101235880B (en) * | 2008-02-26 | 2010-06-09 | 张耀新 | Manual/automatic integrated speed-changer |
| CN102052442A (en) * | 2009-10-30 | 2011-05-11 | 熊晟 | Ahead running reduction box with hydraulic torque-converting coupler |
| CN102052442B (en) * | 2009-10-30 | 2015-07-15 | 大连恒通液力机械有限公司 | Ahead running reduction box with hydraulic torque-converting coupler |
| CN102062199A (en) * | 2011-01-21 | 2011-05-18 | 力帆实业(集团)股份有限公司 | Transmission gear for comprehensive test bed of pure electric vehicle |
| CN102182799B (en) * | 2011-03-11 | 2014-02-19 | 李金东 | Automatic gearbox of electric automobile |
| CN102182799A (en) * | 2011-03-11 | 2011-09-14 | 李金东 | Automatic gearbox of electric automobile |
| CN102155526A (en) * | 2011-04-12 | 2011-08-17 | 江苏大学 | Mechanical-hydraulic bonding composite stepless speed regulating device |
| CN102155526B (en) * | 2011-04-12 | 2013-05-08 | 江苏大学 | Mechanical-hydraulic bonding composite stepless speed regulating device |
| CN102287492B (en) * | 2011-05-18 | 2013-06-19 | 向兵 | Multi-clutch transmission of axis fixed planet gear-type |
| CN102287492A (en) * | 2011-05-18 | 2011-12-21 | 向兵 | Multi-clutch transmission of axis fixed planet gear-type |
| CN102691621A (en) * | 2012-06-18 | 2012-09-26 | 袁宗凡 | Novel wind driven generator |
| CN103291864A (en) * | 2012-10-12 | 2013-09-11 | 张力 | Multi-power control automatic stepless gearbox |
| CN102975577A (en) * | 2012-12-06 | 2013-03-20 | 安徽合力股份有限公司 | Multi-functional wet axle of 5-10 T fork-lift truck |
| CN103551601A (en) * | 2013-11-04 | 2014-02-05 | 大连飞达重型机床制造有限公司 | Hydraulic two-gear numerical control stepless gearbox |
| CN108730466A (en) * | 2018-06-12 | 2018-11-02 | 王文贵 | Manually and automatically slepless power variable speed case |
| CN113120221A (en) * | 2021-03-11 | 2021-07-16 | 重庆大学 | Heavy-load high-speed-ratio rotating mechanism for electrically overturning and folding wings |
| CN113638735A (en) * | 2021-07-06 | 2021-11-12 | 中国地质大学（武汉） | Manual-automatic integrated non-electric connection drilling inclinometer and measuring method |
| CN113638735B (en) * | 2021-07-06 | 2023-03-28 | 中国地质大学（武汉） | Manual-automatic integrated non-electric connection drilling inclinometer and measuring method |
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| CN1045016C (en) | 1999-09-08 |
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