CN202579836U - Speed changing box for heavy vehicle - Google Patents
Speed changing box for heavy vehicle Download PDFInfo
- Publication number
- CN202579836U CN202579836U CN 201220206994 CN201220206994U CN202579836U CN 202579836 U CN202579836 U CN 202579836U CN 201220206994 CN201220206994 CN 201220206994 CN 201220206994 U CN201220206994 U CN 201220206994U CN 202579836 U CN202579836 U CN 202579836U
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- CN
- China
- Prior art keywords
- gear
- driving
- shaft
- transmission shaft
- fan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a speed changing box for a heavy vehicle. A shifting mechanism, a connecting gear and a reverse-gear driven gear are arranged on a spindle. A main clutch driving drum and a main clutch driven drum are arranged on a driving gear shaft. A second-gear driving gear, an eccentric gear, a fourth-gear driving gear, a fifth-gear driving gear and a third-gear driving gear are arranged on a middle gear shaft. The main clutch driving drum is connected with a first transmission shaft, the driving gear shaft is meshed with the fourth-gear driving gear, and the reverse-gear driven gear is meshed with a reverse-gear gear, the reverse-gear gear is meshed with the middle gear shaft. A third transmission shaft is connected with an air compressor, a fan driven gear and a driving bevel gear are arranged on a second transmission shaft, a fan middle gear is meshed with a fan driving gear and the fan driven gear, the second transmission shaft is connected with a gear pump through a coupler, and the driving bevel gear is meshed with a driven bevel gear. The speed changing box for the heavy vehicle is light in weight, high in strength, large in transmission ratio and output torque and capable of achieving low-speed large-torque operation conditions including bulldozing, hoisting, excavation and the like of the heavy vehicle.
Description
Technical field
The utility model relates to a kind of gearbox, is specifically related to a kind of gearbox that is used for heavy vehicle.
Background technique
Former endless-track vehicle gearbox is the fixed shaft type gear transmission, and transmitted power is 530 horsepowers, and gear range is 3～4.Along with the development of technological progress and vehicle, it is increasingly high that travelling speed requires, and present stage to the multifunctional direction development, progressively realize several work functions such as soil-shifting, lifting, excavation, original gearbox can not satisfy usage requirement.Existing novel gearbox has adopted the planetary pinion transmission, aspect transmitted power, can satisfy usage requirement, but its velocity ratio can not meet the demands, and its design cycle is long, makes, uses, maintenance is also complicated, and cost is also high.
Summary of the invention
The utility model technical problem to be solved provides a kind of gearbox that is used for heavy vehicle, this gearbox light weight, and intensity is high, and velocity ratio is big, and output torque is big.
The technological scheme of the utility model: a kind of gearbox that is used for heavy vehicle; It comprises casing, driving gear shaft, intermediate gear shaft, main shaft, gearshift mechanism, first transmission shaft, fan driving gear, second gear driving gear, plunger pump, supporting sleeve, eccentric wheel, reverse gear, air compressor, gear pump, fan intermediate gear, fan driven gear; Drive bevel gear, by dynamic bevel gear, second transmission shaft, the 3rd transmission shaft, the passive drum of main clutch, main clutch driving drum, first connection gear, second connection gear, worm gear, reverse gear driven gear, fourth gear driving gear, five grades of driving gears, third speed drive gear and coupling, driving gear shaft, intermediate gear shaft, main shaft, reverse gear, fan intermediate gear, be arranged on the casing by dynamic bevel gear, second transmission shaft; Gearshift mechanism, first connection gear, second connection gear, reverse gear driven gear are arranged on the main shaft; The passive drum of main clutch, the passive drum of main clutch are arranged on the driving gear shaft; Intermediate gear shaft is provided with second gear driving gear, eccentric wheel, fourth gear driving gear, five grades of driving gears, third speed drive gear; First transmission shaft is arranged in the driving gear shaft, and the main clutch driving drum is connected with first transmission shaft, driving gear shaft and the engagement of fourth gear driving gear; Reverse gear driven gear and reverse gear engagement, reverse gear and intermediate gear shaft engagement, the 3rd transmission shaft is arranged in second transmission shaft; The 3rd transmission shaft is connected with air compressor; Fan driven gear, drive bevel gear are arranged on second transmission shaft, fan intermediate gear and fan driving gear, the engagement of fan driven gear, and second transmission shaft is connected with gear pump through coupling; Drive bevel gear with meshed by dynamic bevel gear; The top that eccentric wheel is arranged on, supporting sleeve are arranged between second gear driving gear and the third speed drive gear, and worm gear is connected with worm screw on second connection gear.The material of described casing is a high tensile aluminium alloy.
The utility model compared with prior art has following beneficial effect: 1, the utility model is simple in structure, and volume is little, and anufacturability is good, and is easy to operate, repairing, easy to maintenance; 2, the casing of the utility model adopts the high tensile aluminium alloy integral casting forming, light weight, and intensity is high; 3, velocity ratio is big, and output torque is big, can realize the operation operating mode of low-speed bigs such as heavy vehicle soil-shifting, lifting, excavation, and prevailing roadway is realized the requirement per hour run at high speed more than 60 kilometers; 4, through eccentric wheel and supporting sleeve being set, drive plunger pump and carry out strong lubricating, prolonged the working life of gearbox two, in the middle of the third speed drive gear.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the sectional view of Fig. 1 along the A-A line.
Embodiment
A kind of gearbox that is used for heavy vehicle; It comprises casing 1, driving gear shaft 2, intermediate gear shaft 3, main shaft 4, gearshift mechanism 5, first transmission shaft 6, fan driving gear 7, second gear driving gear 8, plunger pump 9, supporting sleeve 10, eccentric wheel 11, reverse gear 12, air compressor 13, gear pump 14, fan intermediate gear 15, fan driven gear 16; Drive bevel gear 17, by the passive drum of dynamic bevel gear 18, second transmission shaft 19, the 3rd transmission shaft 20, main clutch 21, main clutch driving drum 22, first connection gear 23, second connection gear 24, worm gear 25, reverse gear driven gear 26, fourth gear driving gear 27, five grades of driving gears 28, third speed drive gear 29 and coupling 30, driving gear shaft 2, intermediate gear shaft 3, main shaft 4, reverse gear 12, fan intermediate gear 15, be arranged on the casing 1 by dynamic bevel gear 18, second transmission shaft 19; Gearshift mechanism 5, first connection gear 23, second connection gear 24, reverse gear driven gear 26 are arranged on the main shaft 4; The passive drum of main clutch 21, the passive drum 22 of main clutch are arranged on the driving gear shaft 2; Intermediate gear shaft 3 is provided with second gear driving gear 8, eccentric wheel 11, fourth gear driving gear 27, five grades of driving gears 28, third speed drive gear 29; First transmission shaft 6 is arranged in the driving gear shaft 2, and main clutch driving drum 22 is connected with first transmission shaft 6, driving gear shaft 2 and 27 engagements of fourth gear driving gear; Reverse gear driven gear 26 and reverse gear 12 engagements, reverse gear 12 and intermediate gear shaft 3 engagements, the 3rd transmission shaft 20 is arranged in second transmission shaft 19; The 3rd transmission shaft 20 is connected with air compressor 13; Fan driven gear 16, drive bevel gear 17 are arranged on second transmission shaft 19, fan intermediate gear 15 and fan driving gear 7,16 engagements of fan driven gear, and second transmission shaft 19 is connected with gear pump 14 through coupling 30; Drive bevel gear 17 with by dynamic bevel gear 18 engagements; Eccentric wheel 11 is arranged on 9 top, and supporting sleeve 10 is arranged between second gear driving gear 8 and the third speed drive gear 29, and worm gear 25 is connected with worm screw on second connection gear 24.
Claims (2)
1. gearbox that is used for heavy vehicle; It comprises casing (1), driving gear shaft (2), intermediate gear shaft (3), main shaft (4), gearshift mechanism (5), first transmission shaft (6), fan driving gear (7), second gear driving gear (8), plunger pump (9), supporting sleeve (10), eccentric wheel (11), reverse gear (12), air compressor (13), gear pump (14), fan intermediate gear (15), fan driven gear (16); Drive bevel gear (17), by dynamic bevel gear (18), second transmission shaft (19), the 3rd transmission shaft (20), the passive drum of main clutch (21), main clutch driving drum (22), first connection gear (23), second connection gear (24), worm gear (25), reverse gear driven gear (26), fourth gear driving gear (27), five grades of driving gears (28), third speed drive gear (29) and coupling (30), it is characterized in that driving gear shaft (2), intermediate gear shaft (3), main shaft (4), reverse gear (12), fan intermediate gear (15), be arranged on the casing (1) by dynamic bevel gear (18), second transmission shaft (19); Gearshift mechanism (5), first connection gear (23), second connection gear (24), reverse gear driven gear (26) are arranged on the main shaft (4); The passive drum of main clutch (21), the passive drum of main clutch (22) are arranged on the driving gear shaft (2); Intermediate gear shaft (3) is provided with second gear driving gear (8), eccentric wheel (11), fourth gear driving gear (27), five grades of driving gears (28), third speed drive gear (29); First transmission shaft (6) is arranged in the driving gear shaft (2); Main clutch driving drum (22) is connected with first transmission shaft (6); Driving gear shaft (2) and fourth gear driving gear (27) engagement; Reverse gear driven gear (26) and reverse gear (12) engagement, reverse gear (12) and intermediate gear shaft (3) engagement, the 3rd transmission shaft (20) is arranged in second transmission shaft (19); The 3rd transmission shaft (20) is connected with air compressor (13); Fan driven gear (16), drive bevel gear (17) are arranged on second transmission shaft (19), fan intermediate gear (15) and fan driving gear (7), fan driven gear (16) engagement, and second transmission shaft (19) is connected with gear pump (14) through coupling (30); Drive bevel gear (17) with meshed by dynamic bevel gear (18); Eccentric wheel (11) is arranged on the top of (9), and supporting sleeve (10) is arranged between second gear driving gear (8) and the third speed drive gear (29), and worm gear (25) is connected with worm screw on second connection gear (24).
2. the gearbox that is used for heavy vehicle according to claim 1, the material that it is characterized in that described casing (1) is a high tensile aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206994 CN202579836U (en) | 2012-05-10 | 2012-05-10 | Speed changing box for heavy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206994 CN202579836U (en) | 2012-05-10 | 2012-05-10 | Speed changing box for heavy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579836U true CN202579836U (en) | 2012-12-05 |
Family
ID=47249250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220206994 Withdrawn - After Issue CN202579836U (en) | 2012-05-10 | 2012-05-10 | Speed changing box for heavy vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661360A (en) * | 2012-05-10 | 2012-09-12 | 中信机电制造公司科研设计院 | Gearbox for heavy-duty vehicle |
| CN103527727A (en) * | 2013-10-23 | 2014-01-22 | 厦门市文忠不锈钢制品有限公司 | Speed change gear box |
-
2012
- 2012-05-10 CN CN 201220206994 patent/CN202579836U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661360A (en) * | 2012-05-10 | 2012-09-12 | 中信机电制造公司科研设计院 | Gearbox for heavy-duty vehicle |
| CN102661360B (en) * | 2012-05-10 | 2014-10-01 | 中信机电制造公司科研设计院 | Gearbox for heavy-duty vehicle |
| CN103527727A (en) * | 2013-10-23 | 2014-01-22 | 厦门市文忠不锈钢制品有限公司 | Speed change gear box |
| CN103527727B (en) * | 2013-10-23 | 2016-01-06 | 厦门市文忠不锈钢制品有限公司 | Speed-change gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121205 Effective date of abandoning: 20141001 |
|
| RGAV | Abandon patent right to avoid regrant |