CN106678326A - Hydrodynamic transmission for light vehicle - Google Patents
Hydrodynamic transmission for light vehicle Download PDFInfo
- Publication number
- CN106678326A CN106678326A CN201710083190.1A CN201710083190A CN106678326A CN 106678326 A CN106678326 A CN 106678326A CN 201710083190 A CN201710083190 A CN 201710083190A CN 106678326 A CN106678326 A CN 106678326A
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- Prior art keywords
- gear
- axle
- shaft
- clutch
- bearing
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 239000012530 fluid Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/065—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the friction or endless flexible member type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention relates to a hydrodynamic transmission for a light vehicle. An oil pump driving sleeve and a supporting shaft are installed on a box body; an oil pump arranged in the box body is connected with the oil pump driving sleeve; a power take-off window is formed in the position, at the horizontal part of an input shaft, of the box body; a connection gear arranged on a guide wheel base in a sleeving mode is engaged with an oil pump connection gear arranged on the pump driving sleeve through two power takeoff gears on the supporting shaft; a first shaft and a second shaft are each provided with a wet clutch and a corresponding driving gear; driven gears installed on the first shaft and the second shaft are engaged with two input gears of the input shaft correspondingly; all driving gears on the first shaft and the second shaft are engaged with an output shaft gear, a high-gear output gear and a low-gear output gear on an output shaft correspondingly; and a reverse-gear clutch Kr and a reverse-gear driving gear on a reverse-gear shaft are engaged with the wet clutch on the first shaft and the low-gear output gear correspondingly, and are matched with a lockup clutch, so that output with six forward gears and one reverse gear is achieved. The hydrodynamic transmission is ingenious and compact in structure and flexible in operation, has the multiple gears, and can adapt to different working conditions of the light vehicle.
Description
Technical field
The present invention relates to a kind of Light-duty Vehicle Hydrodynamic transmission, belong to the Hydrodynamic transmission technical field of light vehicle.
Background technology
The speed changer of general automobile mainly has two kinds of mechanical transmission and Hydromechanical transmission.Mechanical transmission is grasped
Make complicated, for the automobile for needing frequent parking, starting and accelerate, the necessary shift hunting of driver, labour intensity is very big, and machinery
Formula speed changer is the positive drive of step speed change, vibrates and impact larger in the process of moving, and riding comfort is poor.By electricity
The control of liquid valve manipulates the conversion that wet-type multi-disc clutch realizes gear, and Hydromechanical transmission using external gear pump due to being entered
Row gearshift transmission, the advantage of transmission efficiency good with manufacturing process.For Hydromechanical transmission, one kind is planetary gear
Formula speed changer, can obtain appropriate many gear number by less planet row, with compact conformation, lightweight advantage, but
There is manufacturability complicated, the defect such as manufacturing cost is high.And Light-duty Vehicle is more special with the Hydrodynamic transmission scope of application, car weight is total
Quality is less than 7 tons, and vehicle body overall length is less than 7 meters.The automatic transmission of passenger car, power cannot not enough be installed；Big heavy-duty car
Automatic transmission, dynamic range is not suitable for, and volume cannot be installed greatly.Moreover, due to existing similar Hydrodynamic transmission generally existing
Manipulation is not sensitive enough, big using labour intensity using difficulty when different operating modes switch.
The content of the invention
It is to overcome the shortcomings of that prior art is present that the purpose of the present invention is, there is provided a kind of structure is novel, compact, assembling side
Just, manoeuvrable, gear is more, adapt to Light-duty Vehicle difference operating mode, and power taking mouthful speed is than adjustable Light-duty Vehicle Hydrodynamic transmission.
The present invention is that the technical scheme for reaching above-mentioned purpose is：A kind of Light-duty Vehicle Hydrodynamic transmission, including hydraulic moment changeable
Device and speed changer, described fluid torque-converter include drive disk, lockup clutch, turbine, guide wheel, pump impeller and wheel stand and defeated
Enter axle, drive disk is connected by lockup clutch with pump impeller, and guide wheel is fixed on wheel stand by freewheel clutch, is fixedly connected
Wheel stand on casing is sleeved on input shaft, and turbine is fixedly connected on input shaft by turbine seat；It is characterized in that：
Oil pump actuating sleeve and support shaft are installed, oil pump connection gear is fixed on oil pump actuating sleeve on described casing,
The oil pump being arranged in casing is connected with oil pump actuating sleeve, and casing is provided with power taking window in the horizontal position of input shaft, is fixed on
Support shaft on casing is corresponding with power taking window, and the first different power takeoff gear of tooth footpath and the second power takeoff gear empty set are in branch
Hold on axle, connection gear of the empty set on wheel stand shaft part is connected with pump impeller, and connect the first power takeoff tooth of gear and big footpath
Wheel often engagement, oil pump connection gear is often engaged with the first power takeoff gear or the second power takeoff gear；
Described speed changer includes I axle, II axle and output shaft and the reverse gear shaft that are supported on by bearing on casing, output
Axle is sequentially provided with output shaft gear, high gear output gear and low gear output gear and output flange vertically, with tooth footpath not
With the first input gear and the second input gear input shaft by bearing it is coaxially connected with output shaft, wet clutch K1 with
Wet clutch K2 is connected on I axle and each self-corresponding first driving gear and the second driving gear connect on I axle with empty set
Connect, I axle driven gear of I axle input side is often engaged with the second input gear of path, the first driving gear and low gear output gear
Wheel often engagement, the second driving gear is often engaged with output shaft gear, realizes that two gear onward impulses are exported；
Wet clutch K3 and wet clutch K4 are connected on II axle and with empty set each self-corresponding 3rd on II axle
Driving gear and the 4th driving gear are connected, and II axle driven gear and first input gear in big footpath of II axle input side are often nibbled
Close, the 3rd driving gear often engages with output shaft gear, the 4th driving gear is often engaged with high gear output gear, and with locking from
Clutch coordinates, and realizes that four gear onward impulses are exported；
Reverse clutch Kr is installed on described reverse gear shaft, and reverse clutch Kr external gear and wet clutch K1
External gear or the external gear of wet clutch K2 often engage, reverse clutch Kr and the driving tooth that reverses gear being sleeved on reverse gear shaft
Wheel connection, the driving gear that reverses gear often is engaged with low gear output gear, realizes power output of reversing gear.
The last input gear for having two tooth footpaths different of the input shaft of Hydrodynamic transmission of the invention, on I axle and II axle
Driven gear often engage, I axle, II axle and reverse gear shaft be mounted on control gear wet clutch, by electro hydraulic valve control
The work of each self-corresponding wet clutch on I axle, II axle and reverse gear shaft is made, makes first driving gear of the empty set on I axle
The output shaft on the 3rd driving gear and the 4th driving gear and output shaft with the second driving gear and empty set on II axle
Gear, low gear output gear and high gear output gear are engaged and export power, because input shaft is driven by input gear respectively
Dynamic I axle and II axle, therefore power transmission loss can be reduced, transmission efficiency is improved, reduce fuel consumption.Hydrodynamic transmission of the invention is adopted
, the installation side coaxially connected with the output shaft of speed changer with input shaft, I axle, II axle and reverse gear shaft and output shaft, and input shaft
Just, simple and compact for structure, reasonable, small volume is easy to make, and assembly precision easily ensures, easy to maintenance, the internal structure of speed changer
Light-duty requirement can be realized.The present invention is led to too small amount of power transmission shaft and gear and coordinates wet clutch, by electro hydraulic valve control
Manipulate wet clutch and realize self shifter, realize six forward gears and one reverses gear, dynamic range is adapted to use light vehicle, energy
Meet light vehicle difference operating mode.The present invention is provided with power taking mouthful on casing, the moment of torsion of engine can be passed by power take-off gear
Go out, power taking window is located at transmission input shaft horizontal position, and power taking mouthful speed meets different work requirement than adjustable.
Brief description of the drawings
Embodiments of the invention are described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of Light-duty Vehicle Hydrodynamic transmission of the present invention.
Fig. 2 is the side structure schematic view of Fig. 1.
Fig. 3 is the section view deployed configuration schematic diagram of the A-A and B-B of Fig. 1.
Fig. 4 is transmission principle figure of the invention.
Wherein：1-drive disk, 2-wheel stand, 3-guide wheel, 4-lockup clutch, 5-turbine, 6-pump impeller, 7-even
Gear is connect, the 8-the first power takeoff gear, 9-support shaft, 10-oil pump actuating sleeve, 11-oil pump connects gear, and 12-the second takes
Power device gear, 13-oil pump, 14-input shaft, the 15-the first input gear, 16-I axle driven gear, the 17-the second driving tooth
Wheel, 18-reverse gear shaft, 19-reverse gear driving gear, 20-I axle, the 21-the first driving gear, 22-low gear output gear, 23-
Output shaft, 24-output flange, 25-high gear output gear, the 26-the four driving gear, 27-II axle, 28-casing, 28-
1-power taking window, 28-2-preceding casing, 28-21-centre wallboard, 28-22-rear wall plate, 28-3- rear box, 28-31-preceding
Wallboard, 28-32-rear wall plate, 28-33-the first middle baffle plate, 28-34-the second middle baffle plate, 28-4-case lid, 29-electricity
Liquid valve, the 30-the three driving gear, 31-output shaft gear, the 32-the second input gear, 33-II axle driven gear, 34- surpasses
More clutch, 35-turbine seat, 36-I axle bearing lid, 37-II axle bearing lid, 38-reverse gear bearing cap, 39-output shaft axle
Hold lid.
Specific embodiment
As shown in Fig. 1~3, Light-duty Vehicle Hydrodynamic transmission of the invention, including fluid torque-converter and speed changer.The present invention
Fluid torque-converter include drive disk 1, lockup clutch 4, turbine 5, guide wheel 3, pump impeller 6 and wheel stand 2 and input shaft 14, drive
Moving plate 1 is connected by lockup clutch 4 with pump impeller 6, and guide wheel 3 is fixed on wheel stand 2 by freewheel clutch 34, is fixedly connected
Wheel stand 2 on casing 28 is sleeved on input shaft 14, and turbine 5 is fixedly connected on input shaft 14 by turbine seat 35.
As shown in Fig. 1,3, oil pump actuating sleeve 10 and support shaft 9 are installed on casing of the present invention 28, oil pump actuating sleeve 10 leads to
Bearing is crossed to be connected on casing 28, oil pump connection gear 11 be fixed on oil pump actuating sleeve 10, can by oil pump connection gear 11 with
Oil pump actuating sleeve 10 is formed integrally structure, and the oil pump 13 being arranged in casing 28 is connected with oil pump actuating sleeve 10, by being built in
Oil pump 13 in casing 28, can further reduce the volume of fluid torque-converter, when drive disk 1 drives pump impeller 6 to rotate, by oil
Pump 13 realizes gear respectively to the oil duct fuel feeding in the oil duct on turbine 5 and casing 28 and I axle 20, II axle 27 and reverse gear shaft 18
The conversion of position and lubrication；Fluid is driven turbine 5 to rotate and is rotated with driven input shaft 14 by turbine seat 35 simultaneously, by power through each
Exported by output shaft 23 after axle.
As shown in Fig. 1,2, casing of the present invention 28 is provided with power taking window 28-1 in the horizontal position of input shaft 14, is fixed on case
Support shaft 9 is corresponding with power taking window 28-1 on body 28, and the support shaft 9 is arranged on casing 28 using T-shaped axle and by fastener,
For supporting two power takeoff gears, the first different power takeoff gear 8 of two tooth footpaths and the empty set of the second power takeoff gear 12 are in supporting
On axle 9, because the first power takeoff gear 8 is different with the tooth footpath of the second power takeoff gear 12, therefore speed can be conveniently adjusted than power taking,
Expand power taking scope, connection gear 7 of the empty set on the shaft part of wheel stand 2 be connected with pump impeller 6, and connect the of gear 7 and big footpath
The one often engagement of power takeoff gear 8, oil pump connection gear 11 is often engaged with the first power takeoff gear 8 or the second power takeoff gear 12,
Input power is spread out of by power takeoff, and to meet the job requirements of different operating mode vehicles, and oil pump 13 ensures the gearshift of speed changer
Pressure and lubrication.
As shown in Figure 3, the second power takeoff gear 12 of the invention is arranged in support shaft 9 by bearing, the first power takeoff
The releasable connection of gear 8 is on the second power takeoff gear 12, and the transverse tooth thickness of the first power takeoff gear 8 is less than the second power takeoff gear 12
Transverse tooth thickness, convenient processing and assemble.
As shown in Fig. 1,3, speed changer of the invention include being supported on by bearing I axle 20 on casing 28, II axle 27 with
And output shaft 23 and reverse gear shaft 18, output shaft 23 is sequentially provided with output shaft gear 31, high gear output gear 25 and low vertically
Gear output gear 22 and output flange 24, the output shaft gear 31 can be formed integrally structure with output shaft 23, and high gear output gear
Wheel 25 and low gear output gear 22 and output flange 24 are connected on output shaft 23, different rotating speeds are exported respectively, with two
The input shaft 14 of the first different input gear 15 of tooth footpath and the second input gear 32 is coaxially connected with output shaft 23 by bearing,
Make Hydrodynamic transmission simple and compact for structure, reasonable, be easy to make.
As shown in Figure 3, for ease of installing, input shaft 14 is in the first input gear 15 and the second input gear 32 for the present invention
Both sides are provided with outer diameter of axle section and interior diameter of axle section, and the bearing in diameter of axle section in input shaft 14 is connected on casing 28, installs
Bearing in the outer diameter of axle of input shaft 14 section is arranged in the mounting hole of the inner side of output shaft 23, and the outside of output shaft 23 passes through bearing
On casing 28.
As shown in Figure 3, wet clutch K1 of the present invention and wet clutch K2 are connected on I axle 20 and with empty set in I axle
Each driving gear 17 of self-corresponding first driving gear 21 and second is connected on 20, I axle driven gear 16 of the input side of I axle 20 with
The often engagement of second input gear 32 of path, the power on input shaft 14 is reached on I axle 20, the first driving gear 21 and low gear
Output gear 22 is often engaged, and the second driving gear 17 is engaged with output shaft gear 31 and often, by casing 28
Electro hydraulic valve 29 controls wet clutch K1 and wet clutch K2 respectively, by the first driving gear 21 or the second driving gear
17, power is passed on output shaft 23, and realize two gear onward impulses and export.
As shown in Figure 3, wet clutch K1 of the present invention and wet clutch K2 back-to-back be arranged on I axle 20 on, wet type from
The friction pair of clutch K1 is 1.3~1.8 times of the friction pair of wet clutch K2, is such as 1.4 or 1.6 or 1.7 times, due to wet type
Friction pair of the friction pair of clutch K1 more than wet clutch K2, low-speed forward gear clutch friction pair relative rotation speed is smaller,
Power transmission loss is reduced, transmission efficiency is improved.As shown in Figure 3, wet clutch K1 of the present invention and wet clutch K2 are same
Individual shell is provided with external gear, and the first driving gear 21 and the second driving gear 17 on I axle 20 are arranged on by needle bearing
Positioned at wet clutch K1 and the both sides of wet clutch K2.
As shown in Figure 3, wet clutch K3 of the present invention and wet clutch K4 are connected on II axle 27 and with empty set II
Each self-corresponding 3rd driving gear 30 and the 4th driving gear 26 are connected on axle 27, II axle driven gear of the input side of II axle 27
33 often engage with first input gear 15 in big footpath, the power on input shaft 14 are reached on II axle 27, the 3rd driving gear 30
Often engaged with output shaft gear 31, the 4th driving gear 26 is often engaged with high gear output gear 25, controlled respectively by electro hydraulic valve 29
Wet clutch K3 processed and wet clutch K4, by the 3rd driving gear 30 or the 4th driving gear 26, power is passed to defeated
On shaft 23, and realize that four gear onward impulses are exported with reference to lockup clutch 4.
As shown in Figure 3, wet clutch K3 of the present invention and wet clutch K4 is arranged on II axle 27 back-to-back, and wet type
The friction pair of clutch K3 is identical with the friction pair of wet clutch K4, and the 3rd master on II axle 27 is arranged on by needle bearing
The driving gear 26 of moving gear 30 and the 4th is located at wet clutch K3 and wet clutch K4 both sides, wet clutch K3 and wet
The friction pair of formula clutch K4 is identical with the friction pair of wet clutch K2, convenient to install.
As shown in Figure 3, reverse clutch Kr is installed on reverse gear shaft of the present invention 18, and the external gear of reverse clutch Kr with
The external gear of wet clutch K1 or the external gear of wet clutch K2 are often engaged, and the power that will pass on I axle 20 passes through wet type
Clutch and reach reverse clutch Kr, reverse clutch Kr is connected with the driving gear 19 that reverses gear being sleeved on reverse gear shaft 18,
The driving gear 19 that reverses gear often is engaged with low gear output gear 22, controls reverse clutch Kr to realize the power that reverses gear by electro hydraulic valve 29
Output.
As shown in Fig. 1~3, casing of the invention 28 is included for installing the preceding casing 28-2 of fluid torque-converter and for pacifying
Fill speed changer rear box 28-3 and case lid 28-4, preceding casing 28-2 on rear box 28-3 rear wall plates 28-32, after
Casing 28-3 and case lid 28-4 is easy to process, install and safeguard by positioning finger setting and being connected with fastener.
As shown in Figure 3, preceding casing 28-2 of the invention includes open cavity casing and centre wallboard 28-21 and rear wall
Plate 28-22, drive disk 1, lockup clutch 4, turbine 5, guide wheel 3 and pump impeller 6 are each provided in cavity casing, 10 liang of oil pump actuating sleeve
Side is arranged on the middle wallboard 28-21 and rear wall plate 28-22 of preceding casing 28-2 by bearing, and the front side of support shaft 9 is supported on
On middle wallboard 28-21, rear side by fastener be arranged on rear wall plate 28-22, connection gear 7 preceding casing is connected to by bearing
On the middle wallboard 28-21 and rear wall plate 28-22 of 28-2, input shaft 14 is supported on wheel stand 2 by bearing.
As shown in Fig. 1~3, rear box 28-3 of the present invention is provided with front wallboard 28-31, rear wall plate 28-32 and positioned at rear cabinet
The first middle baffle plate 28-33 and the second middle baffle plate 28-34, case lid 28-4 in body 28-3 are provided with the bearing of each axle of correspondence
Hole, the front wallboard 28-31 of rear box 28-3 is connected by alignment pin and fastener with the rear wall plate 28-22 of preceding casing 28-2, after
28-32 is connected by alignment pin and fastener with case lid 28-4 on the rear wall plate of casing 28-3, after I axle 20 is arranged on by bearing
On the first middle baffle plate 28-33 and case lid 28-4 of casing 28-3, reverse gear shaft 18 is arranged on the of rear box 28-3 by bearing
On two middle baffle plate 28-34 and case lid 28-4, II axle 27 is arranged on the front wallboard 28-31 and case lid of rear box 28-3 by bearing
On 28-4, the rear side of output shaft 23 is supported on case lid 28-4 by bearing, and I axle bearing lid 36, II axle bearing lid 37, reverse gear shaft
Hold lid 38 and each axle of the correspondence of output shaft bearing lid 39 and be arranged on case lid 28-4.
As shown in Fig. 3,4, drive path of the invention is as follows：Advance I gear：The input gear 32 → I of input shaft 14 → the second
Axle 16 → wet clutch of driven gear K1, → first 22 → output shaft of driving gear 21 → low gear output gear 23；Preceding II enters
Gear：Axle driven gear 16 → wet clutch K2 → the second driving gear 17 of 14 → the second input gear of input shaft 32 → I → defeated
Go out 31 → output shaft of shaft gear 23；Advance III gear：Axle 33 → the wet type of driven gear of 14 → the first input gear of input shaft 15 → II
Clutch K3 → the 3rd 30 → output shaft gear of driving gear, 31 → output shaft 23；Advance IV gear：Input shaft 14 → the first is input into
Axle 33 → wet clutch of the driven gear K4 of gear 15 → II → the 4th driving gear 26 → high gear, 25 → output shaft of output gear
23；When lockup clutch 4 is connected with drive disk 1, combined with the gear of advance III and IV gear that advances, constitute advance V gear and VI gear；
Gear transmission：14 → the second input gear of input shaft 32 → I axle 16 → wet clutch of driven gear K1's or wet clutch K2
The external gear of external gear → reverse clutch → reverse clutch Kr → 19 → low gear of driving gear of reversing gear output gear 22 → defeated
Shaft 23, wet clutch K1, K2, K3, K4 on I axle 20, II axle, and reverse clutch Kr on reverse gear shaft 18 take off
When opening, inactivity output, gearbox is neutral in running no load, can form many gear knots that six forward gears and are reversed gear
Structure.
As shown in Fig. 3,4, the present invention operationally, after engine start, by drive disk 1 through the band of lockup clutch 4
Dynamic pump impeller 6 is rotated, and pump impeller 6 is rotated together by guide wheel 3, turbine 5 and input shaft 14 therewith；And operate lockup clutch 4 to depart from
Pump impeller 6, drives turbine 5 and input shaft 14 to rotate realize high gear power output together by drive disk 1 through lockup clutch 4,
The second input gear 32 on input shaft 14 drives I axle driven gear 16, the first input gear 15 to drive II axle driven gear 33,
The external gear of the external tooth wheel drive reverse clutch Kr of the wet clutch on I axle 20, power is passed in gearbox simultaneously, when
Wet clutch K3, K4 on wet clutch K1, K2 of I axle 20 and II axle 27, and the reverse clutch Kr on reverse gear shaft 18
When disengaging, inactivity output, gearbox is neutral in running no load.Reverse gear when extension, high gear or during any gear of low gear, because right
After the wet clutch engagement answered, exported through output shaft 23 by high gear output gear 25 or low gear output gear 22, now, with
The size of driving load, in the presence of guide wheel 3, produces suitable torque to drive automobilism, and under certain speed, with reference to
Lockup clutch 4, makes the transmission efficiency of Hydrodynamic transmission reach highest, fuel consumption is reduced, to constitute many shift transformations.
As shown in Fig. 1,3,4, the present invention operationally, after engine start, drives pump impeller 6 to rotate by drive disk 1
When, the connection gear 7 being connected to therewith on pump impeller 6 is often engaged with the first power takeoff gear 8 or the second power takeoff gear 12, input
Power can be spread out of by power takeoff, and power takeoff can be engaged with the first power takeoff gear 8 or the second power takeoff gear 12, to adjust speed
Compare power taking.Power takeoff gear is connected gear 11 with oil pump and often engages simultaneously, drives oil pump 13 to work by oil pump actuating sleeve 10, protects
Demonstrate,prove the gearshift pressure and lubrication of speed changer.
Claims (8)
1. a kind of Light-duty Vehicle Hydrodynamic transmission, including fluid torque-converter and speed changer, described fluid torque-converter include driving
Disk (1), lockup clutch (4), turbine (5), guide wheel (3), pump impeller (6) and wheel stand (2) and input shaft (14), drive disk
(1) it is connected with pump impeller (6) by lockup clutch (4), guide wheel (3) is fixed on wheel stand (2) by freewheel clutch (34),
The wheel stand (2) being fixedly connected on casing (28) is sleeved on input shaft (14), and turbine (5) connects by the way that turbine seat (35) is fixed
It is connected on input shaft (14)；It is characterized in that：
Oil pump actuating sleeve (10) and support shaft (9) are installed, oil pump connects gear (11) and is fixed on oil on described casing (28)
On pump actuating sleeve (10), the oil pump (13) being arranged in casing (28) is connected with oil pump actuating sleeve (10), and casing (28) is in input
The horizontal position of axle (14) is provided with power taking window (28-1), the support shaft (9) and power taking window (28- being fixed on casing (28)
1) correspondence, the first different power takeoff gear (8) of tooth footpath and the second power takeoff gear (12) empty set in support shaft (9), empty set
Connection gear (7) on wheel stand (2) shaft part is connected with pump impeller (6), and connects the first power takeoff tooth of gear (7) and big footpath
Wheel (8) is often engaged, and oil pump connects gear (11) and often engaged with the first power takeoff gear (8) or the second power takeoff gear (12)；
Described speed changer includes I axle (20), II axle (27) and the output shaft (23) that are supported on by bearing on casing (28)
With reverse gear shaft (18), output shaft (23) is sequentially provided with output shaft gear (31), high gear output gear (25) and low gear vertically
Output gear (22) and output flange (24), with different the first input gear (15) of tooth footpath and the second input gear (32)
Input shaft (14) is coaxially connected with output shaft (23) by bearing, and wet clutch K1 and wet clutch K2 are connected to I axle
(20) each self-corresponding first driving gear (21) and the second driving gear (17) are connected on and with empty set on I axle (20), I axle
(20) I axle driven gear (16) of input side is often engaged with second input gear (32) of path, the first driving gear (21) with
Low gear output gear (22) is often engaged, and the second driving gear (17) is often engaged with output shaft gear (31), realizes precession before two gears
Power is exported；
Wet clutch K3 and wet clutch K4 are connected on II axle (27) and each self-corresponding on II axle (27) with empty set
3rd driving gear (30) and the connection of the 4th driving gear (26), the II axle driven gear (33) of II axle (27) input side and big footpath
The first input gear (15) often engage, the 3rd driving gear (30) often engages with output shaft gear (31), the 4th driving gear
(26) often engaged with high gear output gear (25), and coordinated with lockup clutch (4), realize that four gear onward impulses are exported；
Reverse clutch Kr is installed on described reverse gear shaft (18), and reverse clutch Kr external gear and wet clutch K1
External gear or the external gear of wet clutch K2 often engage, reverse clutch Kr and the master of reversing gear being sleeved on reverse gear shaft (18)
Moving gear (19) is connected, and the driving gear that reverses gear (19) is often engaged with low gear output gear (22), realizes power output of reversing gear.
2. Light-duty Vehicle Hydrodynamic transmission according to claim 1, it is characterised in that：The second described power takeoff gear
(12) it is arranged in support shaft (9) by bearing, the first power takeoff gear (8) releasable connection is in the second power takeoff gear (12)
On, and the first power takeoff gear (8) transverse tooth thickness less than the second power takeoff gear (12) transverse tooth thickness.
3. Light-duty Vehicle Hydrodynamic transmission according to claim 1, it is characterised in that：The wet clutch K1 and wet type
Clutch K2 is arranged on I axle (20) back-to-back, and the friction pair of wet clutch K1 is the 1.3 of the friction pair of wet clutch K2
~1.8 times, and wet clutch K1 and the same shells of wet clutch K2 are provided with external gear, are arranged on by needle bearing
The first driving gear (21) and the second driving gear (17) on I axle (20) is positioned at wet clutch K1's and wet clutch K2
Both sides.
4. Light-duty Vehicle Hydrodynamic transmission according to claim 1, it is characterised in that：Described wet clutch K3 and wet
Formula clutch K4 is arranged on II axle (27) back-to-back, and friction pair and the wet clutch K4 of wet clutch K3 friction pair
Identical, the 3rd driving gear (30) and the 4th driving gear (26) by needle bearing on II axle (27) are positioned at wet type
Clutch K3 and wet clutch K4 both sides.
5. Light-duty Vehicle Hydrodynamic transmission according to claim 1, it is characterised in that：Described input shaft (14) is first
The both sides of input gear (15) and the second input gear (32) are provided with outer diameter of axle section and interior diameter of axle section, in input shaft (14)
Bearing in diameter of axle section is connected on casing (28), and the bearing in the outer diameter of axle section of input shaft (14) is arranged on output shaft
(23) in the mounting hole on the inside of, the outside of output shaft (23) is arranged on casing (28) by bearing.
6. Light-duty Vehicle Hydrodynamic transmission according to claim 1, it is characterised in that：Described casing (28) is including being used for
The preceding casing (28-2) of fluid torque-converter is installed and for installing the rear box (28-3) of speed changer and installed in rear box
Case lid (28-4) on (28-3) rear wall plate (28-32), and preceding casing (28-2), rear box (28-3) and case lid (28-4) are logical
Connected with fastener after crossing positioning finger setting.
7. Light-duty Vehicle Hydrodynamic transmission according to claim 6, it is characterised in that：Described preceding casing (28-2) includes
Open cavity casing and middle wallboard (28-21) and rear wall plate (28-22), drive disk (1), lockup clutch (4), turbine
(5), guide wheel (3) and pump impeller (6) are each provided in cavity casing, and oil pump actuating sleeve (10) both sides are arranged on preceding casing by bearing
On the middle wallboard (28-21) and rear wall plate (28-22) of (28-2), middle wallboard (28-21) is supported on front side of support shaft (9)
Upper, rear side is arranged on rear wall plate (28-22) by fastener, and connection gear (7) is arranged on preceding casing (28-2) by bearing
Middle wallboard (28-21) and rear wall plate (28-22) on, input shaft (14) is supported on wheel stand (2) by bearing.
8. Light-duty Vehicle Hydrodynamic transmission according to claim 6, it is characterised in that：Described rear box (28-3) is provided with
Front wallboard (28-31), rear wall plate (28-32) and the first middle baffle plate (28-33) and second in rear box (28-3)
Middle baffle plate (28-34), case lid (28-4) is provided with the bearing hole of each axle of correspondence, and I axle (20) is arranged on rear box by bearing
In first middle baffle plate (28-33) and case lid (28-4) of (28-3), reverse gear shaft (18) is arranged on rear box (28- by bearing
3) in the second middle baffle plate (28-34) and case lid (28-4), before II axle (27) is arranged on rear box (28-3) by bearing
On wallboard (28-31) and case lid (28-4), the rear side of output shaft (23) is supported on case lid (28-4) by bearing, and I axle bearing
Each axle of lid (36), II axle bearing lid (37), the bearing cap that reverses gear (38) and output shaft bearing lid (39) correspondence is simultaneously arranged on case lid
On (28-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083190.1A CN106678326B (en) | 2017-02-16 | 2017-02-16 | Hydraulic speed variator for light vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083190.1A CN106678326B (en) | 2017-02-16 | 2017-02-16 | Hydraulic speed variator for light vehicle |
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| CN106678326A true CN106678326A (en) | 2017-05-17 |
| CN106678326B CN106678326B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710083190.1A Active CN106678326B (en) | 2017-02-16 | 2017-02-16 | Hydraulic speed variator for light vehicle |
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| Country | Link |
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| CN (1) | CN106678326B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296725A (en) * | 2018-11-22 | 2019-02-01 | 浙江金道科技股份有限公司 | Small tonnage fork car double-velocity transmission |
| CN110805689A (en) * | 2019-11-28 | 2020-02-18 | 重庆清平机械有限责任公司 | High power density motor gear box mechanism for electric automobile |
| CN114811034A (en) * | 2022-05-06 | 2022-07-29 | 中国北方车辆研究所 | Wire control automatic gear shifting device for wheel type combat vehicle |
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| EP0412069A1 (en) * | 1989-08-01 | 1991-02-06 | IVECO FIAT S.p.A. | Hydromechanical power-shift transmission for motor vehicles, particularly for commercial vehicles |
| JPH07301302A (en) * | 1994-04-28 | 1995-11-14 | Aisin Aw Co Ltd | Power transmission device for vehicle |
| CN1851293A (en) * | 2006-05-18 | 2006-10-25 | 邓亚民 | Automobile ordinary geartrain hydraulic speed transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296725A (en) * | 2018-11-22 | 2019-02-01 | 浙江金道科技股份有限公司 | Small tonnage fork car double-velocity transmission |
| CN109296725B (en) * | 2018-11-22 | 2024-02-20 | 浙江金道科技股份有限公司 | Double-speed gearbox for small-tonnage forklift |
| CN110805689A (en) * | 2019-11-28 | 2020-02-18 | 重庆清平机械有限责任公司 | High power density motor gear box mechanism for electric automobile |
| CN114811034A (en) * | 2022-05-06 | 2022-07-29 | 中国北方车辆研究所 | Wire control automatic gear shifting device for wheel type combat vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106678326B (en) | 2024-01-26 |
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