CN105889428A - Gearbox suitable for wheel loader and wheel dozer - Google Patents
Gearbox suitable for wheel loader and wheel dozer Download PDFInfo
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- CN105889428A CN105889428A CN201610406423.2A CN201610406423A CN105889428A CN 105889428 A CN105889428 A CN 105889428A CN 201610406423 A CN201610406423 A CN 201610406423A CN 105889428 A CN105889428 A CN 105889428A
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- gear
- handsetting
- reverse
- clutch
- assembly
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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
- 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
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides a gearbox suitable for a wheel loader and a wheel dozer. The gearbox comprises a box body. A reverse clutch assembly, a forward clutch assembly, an acceleration clutch assembly, an intermediate shaft assembly, a gear shifting clutch assembly and an output shaft assembly are installed on the box body. The end, stretching out of the box body, of the reverse clutch assembly is connected with a driving device. The reverse clutch assembly is engaged with the forward clutch assembly through a gear and the reverse clutch assembly is engaged with the acceleration clutch assembly through a gear to form power input. The reverse clutch assembly is engaged with the output shaft assembly through a gear to form power output. The gearbox has the advantages that through reasonable six-gear speed ratio distribution, the low-speed work performance and high-speed driving performance of the wheel loader and the wheel dozer can be well achieved. An excellent gearbox solution is provided for implementation of high-speed wheel loader and wheel dozer types, and the application field of engineering machine gearboxes is widened.
Description
Technical field
The invention belongs to transmission structure of speed changing box, be specifically related to a kind of change speed gear box being applicable to wheel loader and wheel dozer.
Background technology
Gearbox for engineering machinery drive mechanism has two kinds of forms, and one is fixed shaft type structure, and one is planetary structure；Fixed shaft type structure is arranged simple, and reliability is high, and drive path strong adaptability is extensively applied by domestic and international loader, and planetary structure is compact, and cost is low, and at present, 50 series loaders field application are more at home.
It is applied to the change speed gear box on wheel loader and wheel dozer, it is generally adapted to working condition, its dynamic feature is low-speed big, but, for special environment (as advanced at a high speed in field), change speed gear box undertakes function of running at high speed again, the ratio coverage of conventional change speed gear box, and gear coupling does not the most adapt to requirement of running at high speed.
Summary of the invention
The technical problem to be solved in the present invention is that wheel loader and wheel dozer should low speed operations, run at high speed again, the ratio coverage of conventional change speed gear box, gear coupling does not the most adapt to requirement of running at high speed, for solving the problems referred to above, the present invention provides a kind of change speed gear box being applicable to wheel loader and wheel dozer.
It is an object of the invention to realize in the following manner:
A kind of change speed gear box being applicable to wheel loader and wheel dozer, including casing, casing is provided with reverse clutch assembly, positive shelves clutch assembly, speedup clutch assembly, countershaft assembly, gear shift sleeve assembly and output shaft assembly；
One end that described reverse clutch assembly stretches out outside casing is connected with driving means, and reverse clutch assembly is engaged by gear with speedup clutch assembly with positive shelves clutch assembly, reverse clutch assembly, forms power input；Gear shift sleeve assembly is engaged by gear with output shaft assembly, forms power output；
Described reverse clutch assembly includes reverse clutch axle, one end of reverse clutch axle is provided with reverse gear fixed gear, the first reverse clutch housing and the second reverse clutch housing it is additionally provided with on reverse clutch axle, first reverse clutch housing and the second reverse clutch housing are arranged back-to-back, the outside of the first reverse clutch housing is provided with the first reverse gear handsetting gear, and the outside of the second reverse clutch housing is provided with the second reverse gear handsetting gear；
Described positive shelves clutch assembly includes positive shelves clutch shaft, one end that just shelves clutch shaft is corresponding with reverse gear fixed gear is provided with positive shelves fixed gear, it is additionally provided with first positive grade of clutch housing and second positive grade of clutch housing on positive shelves clutch shaft, first positive grade of clutch housing and second positive grade of clutch housing are arranged back-to-back, the outside of first positive grade of clutch housing is provided with first positive grade of handsetting gear, and the outside of second positive grade of clutch housing is provided with second positive grade of handsetting gear；
Described speedup clutch assembly includes speedup clutch shaft, speedup clutch shaft one end corresponding with reverse gear fixed gear is provided with speedup fixed gear, being additionally provided with speedup clutch housing on speedup clutch shaft, the speedup clutch housing side corresponding with speedup fixed gear is provided with speedup handsetting gear；
Described countershaft assembly includes jackshaft, and jackshaft is provided with the first jackshaft fixed gear, the second jackshaft fixed gear, the 3rd jackshaft fixed gear and the 4th jackshaft fixed gear；
Described gear shift sleeve assembly includes gear shift sleeve axle, one end of gear shift sleeve axle is provided with gear shift fixed gear, the first gear shift sleeve housing and the second gear shift sleeve housing it is additionally provided with on gear shift sleeve axle, first gear shift sleeve housing and the second gear shift sleeve housing are arranged back-to-back, the outside of the first gear shift sleeve housing is provided with the first gear shift handsetting gear, and the outside of the second gear shift sleeve housing is provided with the second gear shift handsetting gear；
Described output shaft assembly includes output shaft, and output shaft is provided with output fixed gear；
By engagement between different handsetting gears and fixed gear between reverse clutch assembly, countershaft assembly and gear shift sleeve assembly, formed and retreat 1-4 shelves；
By engagement between different handsetting gears and fixed gear between positive shelves clutch assembly, countershaft assembly and gear shift sleeve assembly, form advance 1,2,4,5 grades；
By engagement between different handsetting gears and fixed gear between speedup clutch assembly, countershaft assembly and gear shift sleeve assembly, form advance 3,6 grades.
Described reverse gear fixed gear and positive shelves fixed gear, reverse gear fixed gear and speedup fixed gear fixed engagement, form power input, gear shift fixed gear and output fixed gear fixed engagement, form power output.
Described first reverse clutch housing and the first reverse gear handsetting gear combine, first reverse gear handsetting gear and the first jackshaft fixed gear, 4th jackshaft fixed gear and the engagement of the second gear shift handsetting gear, the second gear shift handsetting gear and the second gear shift sleeve housing combine, and output retreats 1 grade；
Described second reverse clutch housing and the second reverse gear handsetting gear combine, second reverse gear handsetting gear and the engagement of the 3rd jackshaft fixed gear, 4th jackshaft fixed gear and the engagement of the second gear shift handsetting gear, the second gear shift handsetting gear and the second gear shift sleeve housing combine, and output retreats 2 grades；
Described first reverse clutch housing and the first reverse gear handsetting gear combine, first reverse gear handsetting gear and the first jackshaft fixed gear, first jackshaft fixed gear and the engagement of the first gear shift handsetting gear, the first gear shift handsetting gear and the first gear shift sleeve housing combine, and output retreats 3 grades；
Described second reverse clutch housing and the second reverse gear handsetting gear combine, second reverse gear handsetting gear and the engagement of the 3rd jackshaft fixed gear, first jackshaft fixed gear and the engagement of the first gear shift handsetting gear, the first gear shift handsetting gear and the first gear shift sleeve housing combine, and output retreats 4 grades；
Described first positive grade of clutch housing and first positive grade of handsetting gear combine, first positive grade of handsetting gear and the first jackshaft fixed gear, 4th jackshaft fixed gear and the engagement of the second gear shift handsetting gear, the second gear shift handsetting gear and the second gear shift sleeve housing combine, and output is advanced 1 grade；
Described second positive grade of clutch housing and and second positive grade of handsetting gear combine, second positive grade of handsetting gear and the engagement of the 3rd jackshaft fixed gear, 4th jackshaft fixed gear and the engagement of the second gear shift handsetting gear, second gear shift handsetting gear and the second gear shift sleeve housing combine, and output is advanced 2 grades；
Described first positive grade of clutch housing and first positive grade of handsetting gear combine, first positive grade of handsetting gear and the first jackshaft fixed gear, first jackshaft fixed gear and the engagement of the first gear shift handsetting gear, the first gear shift handsetting gear and the first gear shift sleeve housing combine, and output is advanced 4 grades；
Described second positive grade of clutch housing and second positive grade of handsetting gear combine, second positive grade of handsetting gear and the engagement of the 3rd jackshaft fixed gear, first jackshaft fixed gear and the engagement of the first gear shift handsetting gear, the first gear shift handsetting gear and the first gear shift sleeve housing combine, and output is advanced 5 grades；
Described speedup clutch housing and speedup handsetting gear combine, speedup handsetting gear and the engagement of the second jackshaft fixed gear, 4th jackshaft fixed gear and the engagement of the second gear shift handsetting gear, the second gear shift handsetting gear and the second gear shift sleeve housing combine, and output is advanced 3 grades；
Described speedup clutch housing and speedup handsetting gear combine, speedup handsetting gear and the engagement of the second jackshaft fixed gear, first jackshaft fixed gear and the engagement of the first gear shift handsetting gear, the first gear shift handsetting gear and the first gear shift sleeve housing combine, and output is advanced 6 grades.
Advanced 3 gears and retreat the speed ratio Proper Match of 4 gears by change speed gear box, it is possible to make wheel loader and wheel dozer play low speed transaction capabilities, meet vehicle scraper, propelling, smooth demand；Proper Match in change speed gear box advance 4-6 gear ratios, it is possible to making wheel loader and wheel dozer play performance of running at high speed, max. speed is more than 80km/h.
Relative to prior art, the invention has the beneficial effects as follows: and the contrast of existing common engineering mechanical gear box, forward increases to 6, and can realize continuous gearshift function.By the speed ratio reasonable distribution of 6 gears, it is possible to well make wheel loader and wheel dozer play low speed transaction capabilities and performance of running at high speed.For high speed wheel type loader and the realization of wheel dozer vehicle, it is provided that all good change speed gear box solution, widen construction machinery gear box application.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of the change speed gear box of the present invention.
Fig. 2 is front, the inside oblique view of the change speed gear box of the present invention.
Fig. 3 is the back side, the inside oblique view of the change speed gear box of the present invention.
Fig. 4 is the inside expanded view of the change speed gear box of the present invention.
Fig. 5 is that schematic diagram is launched in the inside of the change speed gear box of the present invention.
Wherein, 1 is reverse clutch assembly；11 is reverse clutch axle；12 is reverse gear fixed gear；13 is the first reverse clutch housing；14 is the second reverse clutch housing；15 is the first reverse gear handsetting gear；16 is the second reverse gear handsetting gear；2 is positive shelves clutch assembly；21 is positive shelves clutch shaft；22 is positive shelves fixed gear；23 is first positive grade of clutch housing；24 is second positive grade of clutch housing；25 is first positive grade of handsetting gear；26 is second positive grade of handsetting gear；3 is speedup clutch assembly；31 is speedup clutch shaft；32 is speedup fixed gear；33 is speedup clutch housing；34 is speedup handsetting gear；4 is countershaft assembly；41 is jackshaft；42 is the first jackshaft fixed gear；43 is the second jackshaft fixed gear；44 is the 3rd jackshaft fixed gear；；45 is the 4th jackshaft fixed gear；5 is gear shift sleeve assembly；51 is gear shift sleeve axle；52 is gear shift fixed gear；53 is the first gear shift sleeve housing；54 is the second gear shift sleeve housing；55 is the first gear shift handsetting gear；56 is the second gear shift handsetting gear；6 is output shaft assembly；61 is output shaft；62 is output fixed gear；7 is casing.
Detailed description of the invention
As shown in accompanying drawing 1-5, a kind of change speed gear box being applicable to wheel loader and wheel dozer, including casing 7, casing 7 is provided with reverse clutch assembly 1, positive shelves clutch assembly 2, speedup clutch assembly 3, countershaft assembly 4, gear shift sleeve assembly 5 and output shaft assembly 6；
One end that described reverse clutch assembly 1 stretches out outside casing 7 is connected with driving means, and reverse clutch assembly 1 is inputted by gear fixed engagement, formation power with speedup clutch assembly 3 with positive shelves clutch assembly 2, reverse clutch assembly 1；Gear shift sleeve assembly 5 and output shaft assembly 6, by gear fixed engagement, form power output；
Described reverse clutch assembly 1 includes reverse clutch axle 11, one end of reverse clutch axle 11 is provided with reverse gear fixed gear 12, the first reverse clutch housing 13 and the second reverse clutch housing 14 it is additionally provided with on reverse clutch axle 11, first reverse clutch housing 13 and the second reverse clutch housing 14 are arranged back-to-back, the outside of the first reverse clutch housing 13 is provided with the first reverse gear handsetting gear 15, and the outside of the second reverse clutch housing 14 is provided with the second reverse gear handsetting gear 16；
Described positive shelves clutch assembly 2 includes positive shelves clutch shaft 21, one end that just shelves clutch shaft 21 is corresponding with reverse gear fixed gear 12 is provided with positive shelves fixed gear 22, it is additionally provided with first positive grade of clutch housing 23 and second positive grade of clutch housing 24 on positive shelves clutch shaft 21, first positive grade of clutch housing 23 and second positive grade of clutch housing 24 are arranged back-to-back, the outside of first positive grade of clutch housing 23 is provided with first positive grade of handsetting gear 25, and the outside of second positive grade of clutch housing 24 is provided with second positive grade of handsetting gear 26；
Described speedup clutch assembly 3 includes speedup clutch shaft 31, speedup clutch shaft 31 one end corresponding with reverse gear fixed gear 12 is provided with speedup fixed gear 32, being additionally provided with speedup clutch housing 33 on speedup clutch shaft 31, speedup clutch housing 33 side corresponding with speedup fixed gear 32 is provided with speedup handsetting gear 34；
Described countershaft assembly 4 includes jackshaft 41, and jackshaft 41 is provided with the first jackshaft fixed gear the 42, second jackshaft fixed gear the 43, the 3rd jackshaft fixed gear 44 and the 4th jackshaft fixed gear 45；
Described gear shift sleeve assembly 5 includes gear shift sleeve axle 51, one end of gear shift sleeve axle 51 is provided with gear shift fixed gear 52, the first gear shift sleeve housing 53 and the second gear shift sleeve housing 54 it is additionally provided with on gear shift sleeve axle 51, first gear shift sleeve housing 53 and the second gear shift sleeve housing 54 are arranged back-to-back, the outside of the first gear shift sleeve housing 53 is provided with the first gear shift handsetting gear 55, and the outside of the second gear shift sleeve housing 54 is provided with the second gear shift handsetting gear 56；
Described output shaft assembly 6 includes output shaft 61, and output shaft 61 is provided with output fixed gear 62；
By engagement between different handsetting gears and fixed gear between reverse clutch assembly 1, countershaft assembly 4 and gear shift sleeve assembly 5, formed and retreat 1-4 shelves；
By engagement between different handsetting gears and fixed gear between positive shelves clutch assembly 2, countershaft assembly 4 and gear shift sleeve assembly 5, form advance 1,2,4,5 grades；
By engagement between different handsetting gears and fixed gear between speedup clutch assembly 3, countershaft assembly 4 and gear shift sleeve assembly 5, form advance 3,6 grades.
Described reverse gear fixed gear 12 and positive shelves fixed gear 22, reverse gear fixed gear 12 and speedup fixed gear 32 fixed engagement, form power input, gear shift fixed gear 52 and output fixed gear 62 fixed engagement, form power output.
Described first reverse clutch housing 13 and the first reverse gear handsetting gear 15 combine, first reverse gear handsetting gear 15 engages with the first jackshaft fixed gear 42,4th jackshaft fixed gear 45 engages with the second gear shift handsetting gear 56, second gear shift handsetting gear 56 is combined with the second gear shift sleeve housing 54, and output retreats 1 grade；
Described second reverse clutch housing 14 and the second reverse gear handsetting gear 16 combine, second reverse gear handsetting gear 16 engages with the 3rd jackshaft fixed gear 44,4th jackshaft fixed gear 45 engages with the second gear shift handsetting gear 56, second gear shift handsetting gear 56 is combined with the second gear shift sleeve housing 54, and output retreats 2 grades；
Described first reverse clutch housing 13 and the first reverse gear handsetting gear 15 combine, first reverse gear handsetting gear 15 engages with the first jackshaft fixed gear 42, first jackshaft fixed gear 42 engages with the first gear shift handsetting gear 55, first gear shift handsetting gear 55 is combined with the first gear shift sleeve housing 53, and output retreats 3 grades；
Described second reverse clutch housing 14 and the second reverse gear handsetting gear 16 combine, second reverse gear handsetting gear 16 engages with the 3rd jackshaft fixed gear 44, first jackshaft fixed gear 42 engages with the first gear shift handsetting gear 55, first gear shift handsetting gear 55 is combined with the first gear shift sleeve housing 53, and output retreats 4 grades；
Described first positive grade of clutch housing 23 and first positive grade of handsetting gear 25 combine, first positive grade of handsetting gear 25 engages with the first jackshaft fixed gear 42,4th jackshaft fixed gear 45 engages with the second gear shift handsetting gear 56, second gear shift handsetting gear 56 is combined with the second gear shift sleeve housing 54, and output is advanced 1 grade；
Described second positive grade of clutch housing 24 and second positive grade of handsetting gear 26 combine, second positive grade of handsetting gear 26 engages with the 3rd jackshaft fixed gear 44,4th jackshaft fixed gear 45 engages with the second gear shift handsetting gear 56, second gear shift handsetting gear 56 is combined with the second gear shift sleeve housing 54, and output is advanced 2 grades；
Described first positive grade of clutch housing 23 and first positive grade of handsetting gear 25 combine, first positive grade of handsetting gear 25 engages with the first jackshaft fixed gear 42, first jackshaft fixed gear 42 engages with the first gear shift handsetting gear 55, first gear shift handsetting gear 55 is combined with the first gear shift sleeve housing 53, and output is advanced 4 grades；
Described second positive grade of clutch housing 24 and second positive grade of handsetting gear 26 combine, second positive grade of handsetting gear 26 engages with the 3rd jackshaft fixed gear 44, first jackshaft fixed gear 42 engages with the first gear shift handsetting gear 55, first gear shift handsetting gear 55 is combined with the first gear shift sleeve housing 53, and output is advanced 5 grades；
Described speedup clutch housing 33 and speedup handsetting gear 34 combine, speedup handsetting gear 34 engages with the second jackshaft fixed gear 43,4th jackshaft fixed gear 45 engages with the second gear shift handsetting gear 56, second gear shift handsetting gear 56 is combined with the second gear shift sleeve housing 54, and output is advanced 3 grades；
Described speedup clutch housing 33 and speedup handsetting gear 34 combine, speedup handsetting gear 34 engages with the second jackshaft fixed gear 43, first jackshaft fixed gear 42 engages with the first gear shift handsetting gear 55, first gear shift handsetting gear 55 is combined with the first gear shift sleeve housing 53, and output is advanced 6 grades.
When handsetting gear is not combined with clutch housing, handsetting gear is in idling conditions；When handsetting gear is combined with clutch housing, handsetting gear and clutch shaft synchronous axial system.
The work process of the present invention is as follows: the external electric-control system of casing 7, whether the power controlled between handsetting gear and the folding of clutch housing and different gear transmits, it is input to power output from power, manipulates, by driver, the electric-control system that casing 7 is external, it is achieved the switching of gear.
Advanced 3 gears and retreat the speed ratio Proper Match of 4 gears by change speed gear box, it is possible to make wheel loader and wheel dozer play low speed transaction capabilities, meet vehicle scraper, propelling, smooth demand；Proper Match in change speed gear box advance 4-6 gear ratios, it is possible to making wheel loader and wheel dozer play performance of running at high speed, max. speed is more than 80km/h.
Relative to prior art, the invention has the beneficial effects as follows: and the contrast of existing common engineering mechanical gear box, forward increases to 6, and can realize continuous gearshift function.By the speed ratio reasonable distribution of 6 gears, it is possible to well make wheel loader and wheel dozer play low speed transaction capabilities and performance of running at high speed.For high speed wheel type loader and the realization of wheel dozer vehicle, it is provided that all good change speed gear box solution, widen construction machinery gear box application.
Above a kind of change speed gear box being applicable to wheel loader and wheel dozer provided by the present invention is described in detail.Applying specific case in the present invention to be set forth principle and the embodiment of the present invention, the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (3)
1. the change speed gear box being applicable to wheel loader and wheel dozer, it is characterized in that: include casing (7), casing (7) is provided with reverse clutch assembly (1), positive shelves clutch assembly (2), speedup clutch assembly (3), countershaft assembly (4), gear shift sleeve assembly (5) and output shaft assembly (6)；
One end that described reverse clutch assembly (1) stretches out casing (7) outside is connected with driving means, reverse clutch assembly (1) is engaged by gear with speedup clutch assembly (3) with positive shelves clutch assembly (2), reverse clutch assembly (1), forms power input；Gear shift sleeve assembly (5) is engaged by gear with output shaft assembly (6), forms power output；
Described reverse clutch assembly (1) includes reverse clutch axle (11), one end of reverse clutch axle (11) is provided with reverse gear fixed gear (12), the first reverse clutch housing (13) and the second reverse clutch housing (14) it is additionally provided with on reverse clutch axle (11), first reverse clutch housing (13) and the second reverse clutch housing (14) are arranged back-to-back, the outside of the first reverse clutch housing (13) is provided with the first reverse gear handsetting gear (15), the outside of the second reverse clutch housing (14) is provided with the second reverse gear handsetting gear (16)；
Described positive shelves clutch assembly (2) includes positive shelves clutch shaft (21), one end that just shelves clutch shaft (21) is corresponding with reverse gear fixed gear (12) is provided with positive shelves fixed gear (22), it is additionally provided with first positive grade of clutch housing (23) and second positive grade of clutch housing (24) on positive shelves clutch shaft (21), first positive grade of clutch housing (23) and second positive grade of clutch housing (24) are arranged back-to-back, the outside of first positive grade of clutch housing (23) is provided with first positive grade of handsetting gear (25), the outside of second positive grade of clutch housing (24) is provided with second positive grade of handsetting gear (26)；
Described speedup clutch assembly (3) includes speedup clutch shaft (31), speedup clutch shaft (31) one end corresponding with reverse gear fixed gear (12) is provided with speedup fixed gear (32), being additionally provided with speedup clutch housing (33) on speedup clutch shaft (31), speedup clutch housing (33) side corresponding with speedup fixed gear (32) is provided with speedup handsetting gear (34)；
Described countershaft assembly (4) includes jackshaft (41), and jackshaft (41) is provided with the first jackshaft fixed gear (42), the second jackshaft fixed gear (43), the 3rd jackshaft fixed gear (44) and the 4th jackshaft fixed gear (45)；
Described gear shift sleeve assembly (5) includes gear shift sleeve axle (51), one end of gear shift sleeve axle (51) is provided with gear shift fixed gear (52), the first gear shift sleeve housing (53) and the second gear shift sleeve housing (54) it is additionally provided with on gear shift sleeve axle (51), first gear shift sleeve housing (53) and the second gear shift sleeve housing (54) are arranged back-to-back, the outside of the first gear shift sleeve housing (53) is provided with the first gear shift handsetting gear (55), the outside of the second gear shift sleeve housing (54) is provided with the second gear shift handsetting gear (56)；
Described output shaft assembly (6) includes output shaft (61), and output shaft (61) is provided with output fixed gear (62)；
By engagement between different handsetting gears and fixed gear between reverse clutch assembly (1), countershaft assembly (4) and gear shift sleeve assembly (5), formed and retreat 1-4 shelves；
By engagement between different handsetting gears and fixed gear between positive shelves clutch assembly (2), countershaft assembly (4) and gear shift sleeve assembly (5), form advance 1,2,4,5 grades；
By engagement between different handsetting gears and fixed gear between speedup clutch assembly (3), countershaft assembly (4) and gear shift sleeve assembly (5), form advance 3,6 grades.
The change speed gear box being applicable to wheel loader and wheel dozer the most according to claim 1, it is characterized in that: described reverse gear fixed gear (12) and positive shelves fixed gear (22), reverse gear fixed gear (12) and speedup fixed gear (32) fixed engagement, formation power inputs, gear shift fixed gear (52) and output fixed gear (62) fixed engagement, form power output.
The change speed gear box being applicable to wheel loader and wheel dozer the most according to claim 1, it is characterised in that:
Described first reverse clutch housing (13) and the first reverse gear handsetting gear (15) combine, first reverse gear handsetting gear (15) engages with the first jackshaft fixed gear (42), 4th jackshaft fixed gear (45) engages with the second gear shift handsetting gear (56), second gear shift handsetting gear (56) combines with the second gear shift sleeve housing (54), and output retreats 1 grade；
Described second reverse clutch housing (14) and the second reverse gear handsetting gear (16) combine, second reverse gear handsetting gear (16) engages with the 3rd jackshaft fixed gear (44), 4th jackshaft fixed gear (45) engages with the second gear shift handsetting gear (56), second gear shift handsetting gear (56) combines with the second gear shift sleeve housing (54), and output retreats 2 grades；
Described first reverse clutch housing (13) and the first reverse gear handsetting gear (15) combine, first reverse gear handsetting gear (15) engages with the first jackshaft fixed gear (42), first jackshaft fixed gear (42) engages with the first gear shift handsetting gear (55), first gear shift handsetting gear (55) combines with the first gear shift sleeve housing (53), and output retreats 3 grades；
Described second reverse clutch housing (14) and the second reverse gear handsetting gear (16) combine, second reverse gear handsetting gear (16) engages with the 3rd jackshaft fixed gear (44), first jackshaft fixed gear (42) engages with the first gear shift handsetting gear (55), first gear shift handsetting gear (55) combines with the first gear shift sleeve housing (53), and output retreats 4 grades；
Described first positive grade of clutch housing (23) and first positive grade of handsetting gear (25) combine, first positive grade of handsetting gear (25) is engaged with the first jackshaft fixed gear (42), 4th jackshaft fixed gear (45) engages with the second gear shift handsetting gear (56), second gear shift handsetting gear (56) combines with the second gear shift sleeve housing (54), and output is advanced 1 grade；
Described second positive grade of clutch housing (24) and and second positive grade of handsetting gear (26) combine, second positive grade of handsetting gear (26) is engaged with the 3rd jackshaft fixed gear (44), 4th jackshaft fixed gear (45) engages with the second gear shift handsetting gear (56), second gear shift handsetting gear (56) combines with the second gear shift sleeve housing (54), and output is advanced 2 grades；
Described first positive grade of clutch housing (23) and first positive grade of handsetting gear (25) combine, first positive grade of handsetting gear (25) is engaged with the first jackshaft fixed gear (42), first jackshaft fixed gear (42) engages with the first gear shift handsetting gear (55), first gear shift handsetting gear (55) combines with the first gear shift sleeve housing (53), and output is advanced 4 grades；
Described second positive grade of clutch housing (24) and second positive grade of handsetting gear (26) combine, second positive grade of handsetting gear (26) is engaged with the 3rd jackshaft fixed gear (44), first jackshaft fixed gear (42) engages with the first gear shift handsetting gear (55), first gear shift handsetting gear (55) combines with the first gear shift sleeve housing (53), and output is advanced 5 grades；
Described speedup clutch housing (33) and speedup handsetting gear (34) combine, speedup handsetting gear (34) engages with the second jackshaft fixed gear (43), 4th jackshaft fixed gear (45) engages with the second gear shift handsetting gear (56), second gear shift handsetting gear (56) combines with the second gear shift sleeve housing (54), and output is advanced 3 grades；
Described speedup clutch housing (33) and speedup handsetting gear (34) combine, speedup handsetting gear (34) engages with the second jackshaft fixed gear (43), first jackshaft fixed gear (42) engages with the first gear shift handsetting gear (55), first gear shift handsetting gear (55) combines with the first gear shift sleeve housing (53), and output is advanced 6 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406423.2A CN105889428B (en) | 2016-06-12 | 2016-06-12 | A kind of gearbox for being applied to wheel loader and wheel dozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406423.2A CN105889428B (en) | 2016-06-12 | 2016-06-12 | A kind of gearbox for being applied to wheel loader and wheel dozer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889428A true CN105889428A (en) | 2016-08-24 |
| CN105889428B CN105889428B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610406423.2A Active CN105889428B (en) | 2016-06-12 | 2016-06-12 | A kind of gearbox for being applied to wheel loader and wheel dozer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240832A (en) * | 2008-02-22 | 2008-08-13 | 四川成都成工工程机械股份有限公司 | Dynamic gear shifting transmission-gear box suitable for engineering machinery |
| CN201145017Y (en) * | 2007-12-18 | 2008-11-05 | 淮安天工传动科技有限公司 | Small-sized loader gear box |
| CN101576147A (en) * | 2009-06-12 | 2009-11-11 | 四川大学 | Speed changer applicable to engineering machinery |
| JP2014098410A (en) * | 2012-11-13 | 2014-05-29 | Hitachi Constr Mach Co Ltd | Power transmission device for vehicle |
| CN204127218U (en) * | 2014-08-21 | 2015-01-28 | 徐工集团工程机械股份有限公司科技分公司 | A kind of power-shift transmission |
| CN205715484U (en) * | 2016-06-12 | 2016-11-23 | 郑州宇通重工有限公司 | A kind of change speed gear box being applicable to wheel loader and wheel dozer |
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2016
- 2016-06-12 CN CN201610406423.2A patent/CN105889428B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145017Y (en) * | 2007-12-18 | 2008-11-05 | 淮安天工传动科技有限公司 | Small-sized loader gear box |
| CN101240832A (en) * | 2008-02-22 | 2008-08-13 | 四川成都成工工程机械股份有限公司 | Dynamic gear shifting transmission-gear box suitable for engineering machinery |
| CN101576147A (en) * | 2009-06-12 | 2009-11-11 | 四川大学 | Speed changer applicable to engineering machinery |
| JP2014098410A (en) * | 2012-11-13 | 2014-05-29 | Hitachi Constr Mach Co Ltd | Power transmission device for vehicle |
| CN204127218U (en) * | 2014-08-21 | 2015-01-28 | 徐工集团工程机械股份有限公司科技分公司 | A kind of power-shift transmission |
| CN205715484U (en) * | 2016-06-12 | 2016-11-23 | 郑州宇通重工有限公司 | A kind of change speed gear box being applicable to wheel loader and wheel dozer |
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| CN105889428B (en) | 2018-03-09 |
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