CN103161887A - Power shift gear box applied to engineering machinery - Google Patents
Power shift gear box applied to engineering machinery Download PDFInfo
- Publication number
- CN103161887A CN103161887A CN2013101166743A CN201310116674A CN103161887A CN 103161887 A CN103161887 A CN 103161887A CN 2013101166743 A CN2013101166743 A CN 2013101166743A CN 201310116674 A CN201310116674 A CN 201310116674A CN 103161887 A CN103161887 A CN 103161887A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001133 acceleration Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0818—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts comprising means for power-shifting
Abstract
The invention discloses a power shift gear box applied to engineering machinery. The power shift gear box comprises an input shaft and an output shaft, and power transmission is conducted between the input shaft and the output shaft through three power transmission units. According to the power shift gear box, five transmission shafts are adopted, the total number of gears on each shaft is fourteen, the structure is simple, the pair number of the transmission gears is small, the number of parts participating into transmission is small, all forward gears output power through meshing of four pairs of gears, all backward gears output power through meshing of three pairs of gears, and therefore transmission efficiency is high. The number of the shafts is reduced, the structure of a box body is simple and manufacturing cost is reduced due to adoption of a double-acting clutch. Meanwhile, the gear box can adopt six forward gears and three backward gears, power utilization rate of an engine and acceleration performance of an automobile are improved, and the power shift gear box is suitable for being matched with a three-element torque converter which is high in transmission efficiency.
Description
Technical field
The present invention relates to a kind of shift transmission, relate to specifically a kind of Powershift transmission that is applicable to engineering machinery, belong to technical field of engineering machinery.
Background technique
Current engineering machinery, as the gearbox of using on loader, grader, road roller, dumping car, generally have two kinds of planetary and fixed shaft types.Adopt planetary gearbox, complex structure, required precision is high, technology capability is poor, manufacture cost is high.Existing fixed axle gearbox, Chinese invention patent that for example number of patent application is " 95196765.7 " discloses the multispeed powershift reversing gear of gear shift under load " a kind of can ", this each grade of speed changer is through two clutches and certain gear pair effect outputting power, advance one grade through six pairs of gear engagement outputting powers, all the other forward gearss are through four pairs of gear engagement outputting powers, backward gear, through five pairs of gear engagement outputting powers, needs 16 of 16 driving gears altogether; The Chinese invention patent that another part number of patent application is " 200810044807.X " discloses " being applicable to the power-shifting transmission of engineering machinery ", the relatively front a kind of drive path of this speed changer makes moderate progress, each grade is through two clutches and certain gear pair effect outputting power, forward gears is through four pairs of gear engagement outputting powers, backward gear, through five pairs of gear engagement outputting powers, needs 14 driving gears altogether.
Above-mentioned two kinds of speed changer driving gears engagement logarithm is many, participates in driving parts many, and two speed changers all have eight axles, six clutch appliances simultaneously, will cause transmission efficiency to descend, temperature rise is increased, parts depreciation strengthens, manufactures and the maintenance cost increase.Two speed changers adopt single-acting clutch, have increased the quantity of axle, and on casing, the mounting hole quantity of axle increases, and have increased complexity and the difficulty of processing of case, and cost also can strengthen.
The Chinese utility model patent that number of patent application is " 201120439772.7 " discloses " engineering machinery hydraulic mechanical transmission box ", the third gear of advancing wherein is long with the five grades of Transmitted chainss that advance, respectively through 8 pairs and 6 pairs of gear engagement outputting powers, engineering machinery particularly higher the falling back one grade of loader utilization ratio also has 5 pairs of gear engagement outputting powers, with the same transmission chain length of above-mentioned two kinds of speed changers, will cause transmission efficiency to descend, temperature rise is increased, parts depreciation strengthens, manufacture and the maintenance cost increase.
Summary of the invention
The problem to be solved in the present invention is in order to overcome the problem of above-mentioned existence, provides that a kind of transmission efficiency is high, cost of production is low, the Powershift transmission that is applicable to engineering machinery of long service life.
In order to address the above problem, the present invention by the following technical solutions:
A kind of Powershift transmission that is applicable to engineering machinery, comprise input shaft, output shaft, between described input shaft and output shaft, by three power transmission units, carries out power transmission.
Below the further optimization of the present invention to such scheme:
Described three power transmission units comprise:
The first jack shaft, be in transmission connection with input shaft;
The 3rd jack shaft, be in transmission connection with output shaft;
The second jack shaft, be in transmission connection respectively with input shaft, the first jack shaft, the 3rd jack shaft.
Further optimize: on described the first jack shaft, the second jack shaft, the 3rd jack shaft, respectively be provided with two clutches.
Further optimize: be fixedly connected with the first fixed gear, the second fixed gear on described input shaft; Be fixedly connected with the 7th fixed gear on described output shaft.
Further optimize: described the first jack shaft is provided with:
The second free gear, can be meshed with the first fixed gear;
The first free gear, can be meshed with the second fixed gear;
The 3rd fixed gear, be fixedly mounted between the second free gear and the first free gear.
Further optimize: two clutches on described the first jack shaft comprise:
The third direction clutch, be in transmission connection with the second free gear;
The first direction clutch, be in transmission connection with the first free gear.
Further optimize: the first free gear and the second free gear connect with rolling bearing with the first jack shaft respectively.
Further optimize: on described the second jack shaft, be provided with successively:
The 4th free gear, can be meshed with the first fixed gear;
The 8th fixed gear, often mesh with the 3rd fixed gear;
The 3rd free gear and the 4th fixed gear.
Further optimize: two clutches on described the second jack shaft comprise:
The second direction clutch, be in transmission connection with the 4th free gear;
The first gear clutch, be in transmission connection with the 3rd free gear.
Further optimize: the 3rd free gear and the 4th free gear connect with rolling bearing with the second jack shaft respectively.
Further optimize: on described the 3rd jack shaft, be provided with successively:
The 5th free gear, can be meshed with the 8th fixed gear;
The 5th fixed gear, can be meshed with the 3rd free gear;
The 6th free gear, can be meshed with the 4th fixed gear;
The 6th fixed gear, often mesh with the 7th fixed gear.
Further optimize: two clutches on described the 3rd jack shaft comprise:
The third gear clutch, be in transmission connection with the 5th free gear;
The second gear clutch, be in transmission connection with the 6th free gear.
Further optimize: the 5th free gear and the 6th free gear connect with rolling bearing with the 3rd jack shaft respectively.
Further optimize: described the first fixed gear, the second fixed gear, the 3rd fixed gear, the 4th fixed gear, the 5th fixed gear, the 6th fixed gear, the 7th fixed gear, the 8th fixed gear and the first free gear, the second free gear, the 3rd free gear, the 4th free gear, the 5th free gear, the 6th free gear are thin and tall tooth, contact ratio and overlap ratio
.
The present invention adopts technique scheme, adopt 5 transmission shafts, gear on each axle adds up to 14, simple in structure, transmission engaging gear logarithm is few, participates in driving parts few, and all forward gearss are through four pairs of gear engagement outputting powers, all backward gears are through three pairs of gear engagement outputting powers, and transmission efficiency is high; Adopt double-action clutch, the quantity of axle is reduced, housing structure is simple, and manufacture cost reduces; Simultaneously, this gearbox can use six forward gearss, three backward gears, has improved the acceleration performance of power utilization and the vehicle of motor, is applicable to the higher three element fluid torque converter of coupling transmission efficiency.
All gears of gearbox are all used thin and tall tooth, the control gear contact ratio
, gear has all the time two to three pairs of gear teeth meshing transmissions in transmission process, so noise is low, tooth root and Gear Surface Strength increase, the anti-fatigue reliability improves; Powershift transmission of the present invention is because all using straight-tooth, and all gear shift rollers or needle bearing, reduced bearing play and adjusted requirement, also facilitated the assembling of shaft assembly and disassembled, and adds the external servicing ease that has improved two change assemblies of torque-converters.
Below in conjunction with drawings and Examples, the invention will be further described.
The accompanying drawing explanation
The structural representation that accompanying drawing 1 is the embodiment of the present invention.
In figure: the 1-torque-converters; 2-the first fixed gear; The 3-input shaft; 4-the second fixed gear; 5-the first jack shaft; 6-the first free gear; 7-first direction clutch; 8-the 3rd free gear; 9-the 4th fixed gear; 10-the first gear clutch; 11-the 6th free gear; 12-the 6th fixed gear; 13-the 3rd jack shaft; 14-the second gear clutch; 15-the 7th fixed gear; The 16-output shaft; 17-the 5th fixed gear; 18-the 5th free gear; 19-third gear clutch; 20-the 8th fixed gear; 21-the second jack shaft; 22-second direction clutch; 23-the 4th free gear; 24-the 3rd fixed gear; 25-third direction clutch; 26-the second free gear.
Embodiment
Embodiment, as shown in Figure 1, a kind of Powershift transmission that is applicable to engineering machinery, comprise input shaft 3, output shaft 16, one end of described input shaft 3 is connected with torque-converters 1, between described input shaft 3 and output shaft 16, by three power transmission units, carries out power transmission.Described three power transmission units comprise: the first jack shaft 5 is in transmission connection with input shaft 3; The 3rd jack shaft 13, be in transmission connection with output shaft 16; The second jack shaft 21, be in transmission connection respectively with input shaft 3, the first jack shaft 5, the 3rd jack shaft 13.
Be fixedly connected with the first fixed gear 2, the second fixed gear 4 on described input shaft, be fixedly connected with the 7th fixed gear 15 on described output shaft.
Respectively be provided with two clutches on described the first jack shaft 5, the second jack shaft 21, the 3rd jack shaft 13.
Be fixedly connected with the first fixed gear 2, the second fixed gear 4 on described input shaft 3; Be fixedly connected with the 7th fixed gear 15 on described output shaft 16.
Described the first jack shaft 5 is provided with: second free gear 26 that can be meshed with the first fixed gear 2; First free gear 6 that can be meshed with the second fixed gear 4; Be fixedly mounted on the 3rd fixed gear 24 between the second free gear 26 and the first free gear 6.
Two clutches on described the first jack shaft 5 comprise: the third direction clutch 25 be in transmission connection with the second free gear 26 and the first direction clutch 7 be in transmission connection with the first free gear 6.
The second free gear 26 and the first free gear 6 connect with the first jack shaft 5 use rolling bearings respectively, and by third direction clutch 25 and first direction clutch 7, connect or the interruption transmission of power respectively.
On described the second jack shaft 21, be provided with successively: the 4th free gear 23 that can be meshed with the first fixed gear 2; The 8th fixed gear 20 and the 3rd fixed gear 24 often mesh; The 3rd free gear 8; The 4th fixed gear 9.
Two clutches on described the second jack shaft 21 comprise: the second direction clutch 22 be in transmission connection with the 4th free gear 23; The first gear clutch 10 be in transmission connection with the 3rd free gear 8.
The 4th free gear 23 and the 3rd free gear 8 connect with the second jack shaft 21 use rolling bearings respectively, and by second direction clutch 22 and the first gear clutch 10, connect or the interruption transmission of power respectively.
On described the 3rd jack shaft 13, be provided with successively: the 5th free gear 18 that can be meshed with the 8th fixed gear 20; The 5th fixed gear 17 that can be meshed with the 3rd free gear 8;
The 6th free gear 11 that can be meshed with the 4th fixed gear 9; The 6th fixed gear 12, often mesh with the 7th fixed gear 15.
Two clutches on described the 3rd jack shaft 13 comprise: the third gear clutch 19 be in transmission connection with the 5th free gear 18; The second gear clutch 14 be in transmission connection with the 6th free gear 11.
The 5th free gear 18 and the first free gear 11 connect with the 3rd jack shaft 13 use rolling bearings respectively, and by third gear clutch 19 and the second gear clutch 14, connect or the interruption transmission of power respectively.
Gear on described the first jack shaft 5 and the engagement of the gear on the second jack shaft 21 form the commutating tooth wheels, and the gear on described the second jack shaft 21 and the engagement of the gear on the 3rd jack shaft 13 form driving gear set.
Described the first fixed gear 2, the second fixed gear 4, the 3rd fixed gear 24, the 4th fixed gear 9, the 5th fixed gear 17, the 6th fixed gear 12, the 7th fixed gear 15, the 8th fixed gear 20 and the first free gear 6, the second free gear 26, the 3rd free gear 8, the 4th free gear 23, the 5th free gear 18, the 6th free gear 11 are thin and tall tooth, contact ratio and overlap ratio
.
Gearbox of the present invention has six forward gearss, three backward gears, and its embodiment is as follows:
Advance one grade, by closed the second gear clutch 14 and third direction clutch 25, the first fixed gear 2 and the second free gear 26 engagements, the 3rd fixed gear 24 and the 8th fixed gear 20 engagements, the 4th fixed gear 9 and the 6th free gear 11 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power drives the first fixed gear 2 through input shaft 3, the second free gear 26, the 3rd fixed gear 24, the 8th fixed gear 20, the 4th fixed gear 9, the 6th free gear 11, the 6th fixed gear 12, the 7th fixed gear 15 is delivered on output shaft 16.
Second gear advances, by closed third direction clutch 25 and the first gear clutch 10, the first fixed gear 2 and the second free gear 26 engagements, the 3rd fixed gear 24 and the 8th fixed gear 20 engagements, the 3rd free gear 8 and the 5th fixed gear 17 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power drives the first fixed gear 2 through input shaft 3, the second free gear 26, the 3rd fixed gear 24, the 8th fixed gear 20, the 3rd free gear 8, the 5th fixed gear 17, the 6th fixed gear 12, the 7th fixed gear 15 is delivered on output shaft 16.
The third gear of advancing, by closed first direction clutch 7 and the second gear clutch 14, the second fixed gear 4 and the first free gear 6 engagements, the 3rd fixed gear 24 and the 8th fixed gear 20 engagements, the 4th fixed gear 9 and the 6th free gear 11 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power drives the second fixed gear 4 through input shaft 3, the first free gear 6, the 3rd fixed gear 24, the 8th fixed gear 20, the 4th fixed gear 9, the 6th free gear 11, the 6th fixed gear 12, the 7th fixed gear 15 is delivered on output shaft 16.
The fourth gear of advancing, by closed third direction clutch 25 and third gear clutch 19, the first fixed gear 2 and the second free gear 26 engagements, the 8th fixed gear 20 mesh with the 3rd fixed gear 24 and the 5th free gear 18 simultaneously, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power drives the first fixed gear 2, the second free gear 26 engagements, the 8th fixed gear 20, the 3rd fixed gear 24, the 5th free gear 18, the 6th fixed gear 12, the 7th fixed gear 15, is delivered on output shaft 16 through input shaft 3.
Advance five grades, by closed first direction clutch 7 and the first gear clutch 10, the second fixed gear 4 and the first free gear 6 engagements, the 3rd fixed gear 24 and the 8th fixed gear 20 engagements, the 3rd free gear 8 and the 5th fixed gear 17 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power drives the second fixed gear 4 through input shaft 3, the first free gear 6 engagements, the 3rd fixed gear 24, the 8th fixed gear 20, the 3rd free gear 8, the 5th fixed gear 17, the 6th fixed gear 12, the 7th fixed gear 15 is delivered on output shaft 16.
Advance six grades, by closed first direction clutch 7 and third gear clutch 19, the second fixed gear 4 and the first free gear 6 engagements, the 8th fixed gear 20 meshes with the 3rd fixed gear 24 and the 5th free gear 18 simultaneously, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power is delivered on output shaft 16 through input shaft 3 drive the second fixed gears 4, the first free gear 6, the 8th fixed gear 20, the 3rd fixed gear 24, the 5th free gear 18, the 6th fixed gear 12, the 7th fixed gear 15.
Fall back one grade, by closed second direction clutch 22 and the second gear clutch 14, the first fixed gear 2 and the 4th free gear 23 engagements, the 4th fixed gear 9 and the 6th free gear 11 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power is delivered on output shaft 16 through input shaft 3 drive the first fixed gears 2, the 4th free gear 23, the 4th fixed gear 9, the 6th free gear 11, the 6th fixed gear 12, the 7th fixed gear 15.
Second gear falls back, by closed second direction clutch 22 and the first gear clutch 10, the first fixed gear 2 and the 4th free gear 23 engagements, the 3rd free gear 8 and the 5th fixed gear 17 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power is delivered on output shaft 16 through input shaft 3 drive the first fixed gears 2, the 4th free gear 23, the 3rd free gear 8, the 5th fixed gear 17, the 6th fixed gear 12, the 7th fixed gear 15.
Third gear falls back, by closed second direction clutch 22 and third gear clutch 19, the first fixed gear 2 and the 4th free gear 23 engagements, the 8th fixed gear 20 and the 5th free gear 18 engagements, the 6th fixed gear 12 and the 7th fixed gear 15 engagements, power is delivered on output shaft 16 through input shaft 3 drive the first fixed gears 2, the 4th free gear 23, the 8th fixed gear 20, the 5th free gear 18, the 6th fixed gear 12, the 7th fixed gear 15.
The whole forward gearss of gearbox of the present invention are by a direction clutch and a gear clutch closure, through four pairs of gear engagement outputting powers, all backward gear is by a direction clutch and a gear clutch closure, through three pairs of gear engagement outputting powers, simplified structure, improve efficiency, reduced cost.
Claims (14)
1. a Powershift transmission that is applicable to engineering machinery, comprise input shaft (3), output shaft (16), it is characterized in that:
Carry out power transmission by three power transmission units between described input shaft (3) and output shaft (16).
2. the Powershift transmission that is applicable to engineering machinery according to claim 1, it is characterized in that: described three power transmission units comprise:
The first jack shaft (5), be in transmission connection with input shaft (3);
The 3rd jack shaft (13), be in transmission connection with output shaft (16);
The second jack shaft (21), be in transmission connection respectively with input shaft (3), the first jack shaft (5), the 3rd jack shaft (13).
3. the Powershift transmission that is applicable to engineering machinery according to claim 2 is characterized in that:
Respectively be provided with two clutches on described the first jack shaft (5), the second jack shaft (21), the 3rd jack shaft (13).
4. the Powershift transmission that is applicable to engineering machinery according to claim 3 is characterized in that:
Be fixedly connected with the first fixed gear (2), the second fixed gear (4) on described input shaft (3); Be fixedly connected with the 7th fixed gear (15) on described output shaft (16).
5. the Powershift transmission that is applicable to engineering machinery according to claim 4 is characterized in that:
Described the first jack shaft (5) is provided with:
The second free gear (26), can be meshed with the first fixed gear (2);
The first free gear (6), can be meshed with the second fixed gear (4);
The 3rd fixed gear (24), be fixedly mounted between the second free gear (26) and the first free gear (6).
6. the Powershift transmission that is applicable to engineering machinery according to claim 5 is characterized in that:
Two clutches on described the first jack shaft (5) comprise:
Third direction clutch (25), be in transmission connection with the second free gear (26);
First direction clutch (7), be in transmission connection with the first free gear (6).
7. the Powershift transmission that is applicable to engineering machinery according to claim 6 is characterized in that:
The second free gear (26) and the first free gear (6) connect with rolling bearing with the first jack shaft (5) respectively, and by third direction clutch (25) and first direction clutch (7), connect or the interruption transmission of power respectively.
8. the Powershift transmission that is applicable to engineering machinery according to claim 7 is characterized in that: on described the second jack shaft (21), be provided with successively:
The 4th free gear (23), can be meshed with the first fixed gear (2);
The 8th fixed gear (20), with the normal engagement of the 3rd fixed gear (24);
The 3rd free gear (8) and the 4th fixed gear (9).
9. the Powershift transmission that is applicable to engineering machinery according to claim 7 is characterized in that:
Two clutches on described the second jack shaft (21) comprise:
Second direction clutch (22), be in transmission connection with the 4th free gear (23);
The first gear clutch (10), be in transmission connection with the 3rd free gear (8).
10. the Powershift transmission that is applicable to engineering machinery according to claim 9 is characterized in that:
The 4th free gear (23) and the 3rd free gear (8) connect with rolling bearing with the second jack shaft (21) respectively, and by second direction clutch (22) and the first gear clutch (10), connect or the interruption transmission of power respectively.
Be applicable to the Powershift transmission of engineering machinery 11. according to claim 10, it is characterized in that:
On described the 3rd jack shaft (13), be provided with successively:
The 5th free gear (18), can be meshed with the 8th fixed gear (20);
The 5th fixed gear (17), can be meshed with the 3rd free gear (8);
The 6th free gear (11), can be meshed with the 4th fixed gear (9);
The 6th fixed gear (12), with the normal engagement of the 7th fixed gear (15).
Be applicable to the Powershift transmission of engineering machinery 12. according to claim 11, it is characterized in that:
Two clutches on described the 3rd jack shaft (13) comprise:
Third gear clutch (19), be in transmission connection with the 5th free gear (18);
The second gear clutch (14), be in transmission connection with the 6th free gear (11).
Be applicable to the Powershift transmission of engineering machinery 13. according to claim 12, it is characterized in that:
The 5th free gear (18) and the first free gear (11) connect with rolling bearing with the 3rd jack shaft (13) respectively, and by third gear clutch (19) and the second gear clutch (14), connect or the interruption transmission of power respectively.
Be applicable to the Powershift transmission of engineering machinery 14. according to claim 13, it is characterized in that: described the first fixed gear (2), the second fixed gear (4), the 3rd fixed gear (24), the 4th fixed gear (9), the 5th fixed gear (17), the 6th fixed gear (12), the 7th fixed gear (15), the 8th fixed gear (20) and the first free gear (6), the second free gear (26), the 3rd free gear (8), the 4th free gear (23), the 5th free gear (18), the 6th free gear (11) is thin and tall tooth, contact ratio and overlap ratio
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116674.3A CN103161887B (en) | 2013-04-07 | 2013-04-07 | Be applicable to the Powershift transmission of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116674.3A CN103161887B (en) | 2013-04-07 | 2013-04-07 | Be applicable to the Powershift transmission of engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161887A true CN103161887A (en) | 2013-06-19 |
| CN103161887B CN103161887B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310116674.3A Active CN103161887B (en) | 2013-04-07 | 2013-04-07 | Be applicable to the Powershift transmission of engineering machinery |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2535700A1 (en) * | 1975-08-09 | 1977-02-10 | Zahradfabrik Friechrichshafen | Multistage forward and reverse gearing - is changeable under load with three coaxial gears with two clutches between |
| CN2599318Y (en) * | 2003-02-26 | 2004-01-14 | 杭州前进齿轮箱集团有限公司 | Power transfer hydraulic speed variator |
| CN201306439Y (en) * | 2008-11-13 | 2009-09-09 | 杭州前进齿轮箱集团股份有限公司 | Power-shift transmission |
| CN201386784Y (en) * | 2008-11-13 | 2010-01-20 | 杭州前进齿轮箱集团股份有限公司 | Large-speed-ratio power shift transmission |
| CN201695423U (en) * | 2010-06-01 | 2011-01-05 | 杭州发达齿轮箱集团有限公司 | Gearbox for ground machinery |
| CN203146718U (en) * | 2013-04-07 | 2013-08-21 | 福田雷沃国际重工股份有限公司 | Power shift gearbox applicable to engineering machine |
-
2013
- 2013-04-07 CN CN201310116674.3A patent/CN103161887B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2535700A1 (en) * | 1975-08-09 | 1977-02-10 | Zahradfabrik Friechrichshafen | Multistage forward and reverse gearing - is changeable under load with three coaxial gears with two clutches between |
| CN2599318Y (en) * | 2003-02-26 | 2004-01-14 | 杭州前进齿轮箱集团有限公司 | Power transfer hydraulic speed variator |
| CN201306439Y (en) * | 2008-11-13 | 2009-09-09 | 杭州前进齿轮箱集团股份有限公司 | Power-shift transmission |
| CN201386784Y (en) * | 2008-11-13 | 2010-01-20 | 杭州前进齿轮箱集团股份有限公司 | Large-speed-ratio power shift transmission |
| CN201695423U (en) * | 2010-06-01 | 2011-01-05 | 杭州发达齿轮箱集团有限公司 | Gearbox for ground machinery |
| CN203146718U (en) * | 2013-04-07 | 2013-08-21 | 福田雷沃国际重工股份有限公司 | Power shift gearbox applicable to engineering machine |
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|---|---|
| CN103161887B (en) | 2015-09-02 |
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