CN200978915Y - Gear box dedicated for loader - Google Patents
Gear box dedicated for loader Download PDFInfo
- Publication number
- CN200978915Y CN200978915Y CN 200620140889 CN200620140889U CN200978915Y CN 200978915 Y CN200978915 Y CN 200978915Y CN 200620140889 CN200620140889 CN 200620140889 CN 200620140889 U CN200620140889 U CN 200620140889U CN 200978915 Y CN200978915 Y CN 200978915Y
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- CN
- China
- Prior art keywords
- gear
- shelves
- axle
- shaft
- iii
- Prior art date
- 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.)
- Expired - Fee Related
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- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model relates to an engine machine field, more particularly a farmer used four wheels driving loader used gear box. The prior driving structure is composed of a main gear box and a side box, with a long driving transmitting rout and big consumption, wherein each driving element is distributed dispersedly, making the whole machine have a unreasonable distribution and a big volume, the double bar manipulation brings trouble usage. The utility model provides a loader used gear box with a reasonable design, a compact structure, a high driving efficiency and a convenient manipulation, comprising a box body and the inner parallel equipped I shaft to import force and an export shaft, wherein the import shaft is equipped with a I shaft gear, the export shaft is equipped with a last degree driven gear, characterized in that a gear assembly and a fork units which realize the transmission shift by the engaged gear sleeve clutch are equipped between the I shaft in the box body and the export shaft. When using the fork is used to move the clutch engagement between the gear sleeve and each step of gears to realize the transmission shift.
Description
[technical field]
The utility model relates to engineering machinery field, especially for a kind of loader gearbox of agricultural four-wheel drive.
[background technique]
The driving mechanism that existing agricultural four-wheel driven loader is used is formed (as shown in Figure 3) by auxiliary transmission 29 and 130 main-gear boxs 28 and transfer case 30, and wherein 130 gearboxes are the general NJ130 type gearbox of use on the market.Existing transmission mechanisms, power again to transfer case, pass to the front and back bridge most after speed change from the auxiliary transmission to the main-gear box, the route of transmission of power is longer, and the intermediate power loss is big; Each transmitting assemblies is distributed in three independently in the casing, is unfavorable for the complete machine reasonable Arrangement, reduces volume; Need two lever operations in the use, wherein on the NJ130 gearbox gear change hand lever is arranged, into reverse gear reversing handle is arranged on the transfer case, 4 forward gearss and 4 reverse gears are arranged, handle comparatively trouble.
[model utility content]
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the defective that existing transmission system exists, and provides a kind of rationally distributed, the higher and a kind of easily loader gearbox of manipulation of transmission efficiency.
The technical solution adopted in the utility model is: a kind of loader gearbox, the I axle and the output shaft that comprise the input power of a casing and the parallel installation of Qi Nei, the I shaftgear is housed on the input shaft, the final stage driven gear is housed on the output shaft, it is characterized in that being provided with between the I axle and output shaft in the described casing gear assembly and the shifting fork assembly of realizing speed-change and gearshift by the shifter collar clutch.It is shifted to move between engagement cover and the gear at different levels clutch engagement realization by shift fork during use.
Gear assembly described in the utility model comprises II axle, reverse gear shaft and the III axle of parallel installation in regular turn, IV shelves driving gear wherein is installed successively, II axle engagement cover toothholder, II shelves driving gear, the shelves of falling II driving gear, III shelves driving gear and I shelves driving gear on the II axle; Reverse gear shaft is installed with the shelves of falling II driving gear and the shelves of falling I driving gear successively; IV shelves driven gear, final stage driving gear, II shelves driven gear, the shelves of falling II driven gear, III axle engagement cover toothholder one, the shelves of falling I driven gear, III shelves driven gear, III axle engagement cover toothholder two, I shelves driven gear are installed on the III axle successively; Shifting fork assembly comprises respectively II-IV shelves shift fork, reverse speed fork and the I-III shelves shift fork corresponding with II axle engagement cover toothholder, III axle engagement cover toothholder one and III axle engagement cover toothholder two.Speed change gear pairs wherein at different levels are conventional meshed transmission gear all, utilize shift fork to stir corresponding engagement cover toothholder during gear-change operation, carry out gear shift by the engagement between engagement cover and the gear at different levels, rapid operation, and gear shift is light.
Casing described in the utility model is the integrally casting structure.Gearbox integral body is more firm, and vibrating noise is little in the work.
The utility model is realized efficient transmission by the gear assembly of shifter collar clutch speed-changing gear shift is set, and is simple in structure, is convenient to safeguard that ratio coverage is wide, the operating efficiency height.
Below in conjunction with description of drawings and embodiment the utility model is described further.
[description of drawings]
1, Fig. 1: the utility model deployed configuration schematic representation.
2, the B-B of Fig. 2: Fig. 1 is to sectional view.
3, Fig. 3: existing gearbox schematic representation.
Among the figure: 1. input flange dish, 2.I axle, 3.III shelves driving gear, 4.I shelves driving gear, 5.II axle, 6. fall 1 grade of driving gear, 7.I shelves driven gear, 8.III shelves driven gear, 9.III axle engagement cover toothholder two, 10.III axle engagement cover toothholder one, 11.III axle, 12. the shelves of falling I driven gear, 13. the shelves of falling II driven gear, 14. output shaft, 15. final stage driven gear, 16. output flange, 17.IV shelves driven gear, 18. final stage driving gear, 19.II shelves driven gear, 20. reverse gear shaft, 21.IV shelves driving gear, 22.II axle engagement cover toothholder, 23.II shelves driving gear, 24A. the shelves of falling II driving gear, 24B. the shelves of falling II driving gear, 25.I shaftgear, 26-1.II-IV shelves shift fork, 26-2. reverse speed fork, 26-3.I-III shelves shift fork, 27. casing, 28.130 main-gear box, 29. auxiliary transmission, 30. transfer case.
[embodiment].
A kind of loader of the utility model comprises casing with gearbox, is installed on I axle 2, II axle 5, reverse gear shaft 20, III axle 11 and output shaft 14 and shifting fork assembly on the casing by bearings.Described I axle 2, II axle 5, reverse gear shaft 20, III axle 11, output shaft 14 are splined shaft; I shaftgear 25, input flange dish 1 are housed on the I axle; II axle 5 is installed IV shelves driving gear 21 successively, II axle engagement cover toothholder 22, II shelves driving gear 23, the shelves of falling II driving gear 24A, III shelves driving gear 3, I shelves driving gear 4; Reverse gear shaft 20 is installed the shelves of falling II driving gear 24B, the shelves of falling I driving gear 6 successively; IV shelves driven gear 17, final stage driving gear 18, II shelves driven gear 19, the shelves of falling II driven gear 13, III axle engagement cover toothholder 1, the shelves of falling I driven gear 12, III shelves driven gear 8, III axle engagement cover toothholder 29, I shelves driven gear 7 are installed on the III axle 11 successively; Final stage driven gear 15 is installed on the output shaft 14, and output flange 16 is equipped with at the axle two ends.
Press the gear schematic representation gear shift among Fig. 2, can obtain the gear that forward gears, reverse gear etc. need.Engine power is imported from the input flange dish through clutch, select one of forward gears or reverse gear, stir corresponding engagement cover toothholder by corresponding shift fork, carry out gear shift by the engagement between engagement cover and the gear at different levels, after speed change, deceleration, from the output shaft outputting power, bridge before and after output flange is delivered to.The transfer route of each grade power in gearbox gone into down:
1 grade: 1 → 2 → 25 → 3 → 5 → 4 → 7 → 11 → 18 → 15 → 14 → 16
2 grades: 1 → 2 → 25 → 3 → 5 → 23 → 19 → 11 → 18 → 15 → 14 → 16
3 grades: 1 → 2 → 25 → 3 → 8 → 11 → 18 → 15 → 14 → 16
4 grades: 1 → 2 → 25 → 3 → 5 → 21 → 17 → 11 → 18 → 15 → 14 → 16
Claims (3)
1, a kind of loader gearbox, the I axle (2) and the output shaft (14) that comprise a casing (27) and the input power of its interior parallel installation, I shaftgear (25) is housed on the input shaft, final stage driven gear (15) is housed on the output shaft, it is characterized in that being provided with between the I axle and output shaft in the described casing gear assembly and the shifting fork assembly of realizing speed-change and gearshift by the shifter collar clutch.
2, loader gearbox according to claim 1, it is characterized in that described gear assembly comprises II axle (5), reverse gear shaft (20) and the III axle (11) of parallel installation in regular turn, IV shelves driving gear (21) wherein is installed successively, II axle engagement cover toothholder (22), II shelves driving gear (23), the shelves of falling II driving gear (24A), III shelves driving gear (3) and I shelves driving gear (4) on the II axle; Reverse gear shaft is installed with the shelves of falling II driving gear (24B) and the shelves of falling I driving gear (6) successively; IV shelves driven gear (17), final stage driving gear (18), II shelves driven gear (19), the shelves of falling II driven gear (13), III axle engagement cover toothholder one (10), the shelves of falling I driven gear (12), III shelves driven gear (8), III axle engagement cover toothholder two (9), I shelves driven gear (7) are installed on the III axle successively; Shifting fork assembly comprises respectively with II axle engagement cover toothholder (22), III axle engagement cover toothholder one (10) and the engagement of III axle and overlaps toothholder two (9) corresponding II-IV shelves shift fork (26-1), reverse speed fork (26-2) and I-III shelves shift fork (26-3).
3, loader gearbox according to claim 1 and 2 is characterized in that described casing (27) is the integrally casting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140889 CN200978915Y (en) | 2006-12-11 | 2006-12-11 | Gear box dedicated for loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140889 CN200978915Y (en) | 2006-12-11 | 2006-12-11 | Gear box dedicated for loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978915Y true CN200978915Y (en) | 2007-11-21 |
Family
ID=38979291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620140889 Expired - Fee Related CN200978915Y (en) | 2006-12-11 | 2006-12-11 | Gear box dedicated for loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978915Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508574A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Power switching box |
-
2006
- 2006-12-11 CN CN 200620140889 patent/CN200978915Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508574A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Power switching box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |