CN2615433Y - Six-gear speed-changing box for agricultural vehicle - Google Patents
Six-gear speed-changing box for agricultural vehicle Download PDFInfo
- Publication number
- CN2615433Y CN2615433Y CN 03244970 CN03244970U CN2615433Y CN 2615433 Y CN2615433 Y CN 2615433Y CN 03244970 CN03244970 CN 03244970 CN 03244970 U CN03244970 U CN 03244970U CN 2615433 Y CN2615433 Y CN 2615433Y
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- China
- Prior art keywords
- gear
- shaft
- axle
- iii
- shelves
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- Expired - Fee Related
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Abstract
The utility model relates to the technique field of gear wheel actuating device, comprising a box, a power input shaft I shaft supportably arranged on the box via the bearing, an intermediate drive shaft II shaft, a power take-off shaft III shaft, a shifting fork assembly positioned on the box, one end of the I shaft is provided with a constant-mesh gear, the I shaft is coaxial with the power take-off shaft III shaft, a drive gear, a IV grade of drive gear, a III grade of drive gear, a II grade of drive gear, a reverse drive gear and a I grade of drive gear are sequentially arranged on the power take-off shaft III shaft, a IV grade of output gear, a III grade of output gear, a II grade of output gear, a reverse output gear and a I grade of output gear are sequentially positioned on the power take-off shaft III shaft, a change drive gear is arranged between the reverse drive gear and the reverse output gear, the gear shifting box can accomplish the grade variable speed of five grades and one reverse grade, and the structure is simpler than general gear shifting box, an intermediate shaft is diminished, the bulk is small, the assembly and maintenance are convenient.
Description
Technical field
The utility model relates to the gear drive technical field, is specifically related to a kind of agricultural transportation vehicle gearbox.
Background technique
At present, the agricultural transportation vehicle gearbox commonly used such as the patent No. are 96227140 three-wheeled farm transport vehicle gearbox, it comprises four transmission shafts, 12 gears, three groups of shifting fork assemblies, finish four forward gearss and a reverse gear, this structure, gear is more, and gear is few, complex structure, the cost height, and many as gear is installed on the I axle of power input shaft, damage easily, the maintenance and installation complexity, gearbox is short working life, and under the immovable situation of component, can not generally exchange, the requirement of incompatibility different product, manufacturing efficiency is low.
Summary of the invention
The purpose of this utility model just provides a kind of simple and reasonable, and cost is low, gear distributes rationally, the gearbox of gearbox long service life.
To achieve these goals, the technical solution of the utility model is: six grades of agricultural vehicle gearboxes comprise casing, be installed in power input shaft I axle, intermediate propeller shaft II axle, pto III axle on the casing by bearings, be installed on the shifting fork assembly on the casing, I axle one end is provided with a constant mesh gear; I axle and pto III axle coaxial line; Intermediate propeller shaft II axle is for the splined shaft parallel with I axle, pto III axle and driving gear, IV shelves driving gear, III shelves driving gear, II shelves driving gear, reverse gear driving gear, I shelves driving gear with the constant mesh gear engagement are installed on it successively, and IV shelves output gear, III shelves output gear, II shelves output gear, reverse gear output gear, I shelves output gear are installed on the pto III axle successively; Also be provided with a break-in driving gear between reverse gear driving gear and the reverse gear output gear; Be provided with the clutch that also is provided with between clutch, reverse gear output gear and the I shelves output gear that also is provided with between clutch, II shelves output gear and the III shelves output gear by shifting fork assembly control by shifting fork assembly control by shifting fork assembly control between constant mesh gear and the IV shelves output gear.
As a kind of improvement, described clutch is a synchronizer.
The utility model adopts said structure, six grades of agricultural vehicle gearboxes comprise casing, be installed in power input shaft I axle, intermediate propeller shaft II axle, pto III axle on the casing by bearings, be installed on the shifting fork assembly on the casing, I axle one end is provided with a constant mesh gear; I axle and pto III axle coaxial line; Intermediate propeller shaft II axle is for the splined shaft parallel with I axle, pto III axle and driving gear, IV shelves driving gear, III shelves driving gear, II shelves driving gear, reverse gear driving gear, I shelves driving gear with the constant mesh gear engagement are installed on it successively, and IV shelves output gear, III shelves output gear, II shelves output gear, reverse gear output gear, I shelves output gear are installed on the pto III axle successively; Also be provided with a break-in driving gear between reverse gear driving gear and the reverse gear output gear; Be provided with the clutch that also is provided with between clutch, reverse gear output gear and the I shelves output gear that also is provided with between clutch, II shelves output gear and the III shelves output gear by shifting fork assembly control by shifting fork assembly control by shifting fork assembly control between constant mesh gear and the IV shelves output gear.Like this, gearbox can be realized five grades of gear speed changes that add a reverse gear, and structure is simpler than common gearbox, has reduced by a jack shaft, and volume is little, assembles easy to maintenance.
Described clutch is a synchronizer, can realize the steady conversion of gear, does not damage gear, prolongs the working life of gearbox.
Description of drawings
Accompanying drawing 1 is the utility model embodiment's a compound sectional view;
Accompanying drawing 2 is the utility model embodiment's the reverse gear driving gear and the sectional view of the break-in driving gear between the reverse gear output gear.
Embodiment
Shown in accompanying drawing 1, accompanying drawing 2, six grades of agricultural vehicle gearboxes comprise casing 18, be installed in power input shaft I axle 1, intermediate propeller shaft II axle 17, pto III axle 21 on the casing 18 by bearings, be installed on the shifting fork assembly 19 on the casing, I axle 1 one ends are provided with a constant mesh gear 20; I axle 1 and pto III axle 21 coaxial lines; Intermediate propeller shaft II axle 17 is for the splined shaft parallel with I axle 1, pto III axle 21 and driving gear 2, IV shelves driving gear 3, III shelves driving gear 7, II shelves driving gear 8, reverse gear driving gear 15, I shelves driving gear 13 with constant mesh gear 20 engagements are installed on it successively, and IV shelves output gear 3a, III shelves output gear 7a, II shelves output gear 8a, reverse gear output gear 15a, I shelves output gear (13a) are installed on the pto III axle 21 successively; Also be provided with a break-in driving gear 15b between reverse gear driving gear 15 and the reverse gear output gear 15a; Be provided with the clutch 5 that also is provided with between clutch 4, reverse gear output gear 15a and the I shelves output gear 13a that also is provided with between clutch 6, II shelves output gear 8a and the III shelves output gear 7a by shifting fork assembly 19 controls by shifting fork assembly 19 controls by shifting fork assembly 19 controls between constant mesh gear 20 and IV shelves output gear 3 a.Described clutch 4,5,6 is a synchronizer.
The effect of synchronizer 4,5,6 is the steady conversion that can realize gear, does not damage gear, prolongs the working life of gearbox.
The gear transmission route of each gear is as follows in the foregoing description:
One grade: power is from 20 inputs of I axle constant mesh gear, constant mesh gear 20 drives driving gear 2, driving gear 2 drives I shelves driving gear 13 by intermediate propeller shaft II axle 17, I shelves driving gear 13 drives I shelves output gear 13a, drive 21 rotations of pto III axle, outputting power by synchronizer 5 then.This moment, synchronizer 5 was got on the I shelves output gear 13a by shifting fork assembly 19, and synchronizer 4,6 is a neutral gear.
Second gear: power is from 20 inputs of I axle constant mesh gear, constant mesh gear 20 drives driving gear 2, driving gear 2 drives II shelves driving gear 8 by intermediate propeller shaft II axle 17, II shelves driving gear 8 drives II shelves output gear 8a, drive 21 rotations of pto III axle, outputting power by synchronizer 4 then.This moment, synchronizer 4 was got on the II shelves output gear 8a by shifting fork assembly 19, and synchronizer 5,6 is a neutral gear.
Third gear: power is from 20 inputs of I axle constant mesh gear, constant mesh gear 20 drives driving gear 2, driving gear 2 drives III shelves driving gear 7 by intermediate propeller shaft II axle 17, III shelves driving gear 7 drives III shelves output gear 7a, drive 21 rotations of pto III axle, outputting power by synchronizer 4 then.This moment, synchronizer 4 was got on the III shelves output gear 7a by shifting fork assembly 19, and synchronizer 5,6 is a neutral gear.
Fourth gear: power is from 20 inputs of I axle constant mesh gear, constant mesh gear 20 drives driving gear 2, driving gear 2 drives IV shelves driving gear 3 by intermediate propeller shaft II axle 17, IV shelves driving gear 3 drives IV shelves output gear 3a, drive 21 rotations of pto III axle, outputting power by synchronizer 6 then.This moment, synchronizer 6 was got on the III shelves output gear 3a by shifting fork assembly 19, and synchronizer 4,5 is a neutral gear.
Five grades: power is directly given power transmission on the pto III axle 21 by synchronizer 6 from 20 inputs of I axle constant mesh gear, and this moment, synchronizer 6 was got on the constant mesh gear 20 by shifting fork assembly 19, and synchronizer 4,5 is a neutral gear.
Reverse gear: power is from 20 inputs of I axle constant mesh gear, constant mesh gear 20 drives driving gear 2, driving gear 2 drives reverse gear driving gear 15 by intermediate propeller shaft II axle 17, reverse gear driving gear 15 drives break-in driving gear 15b, break-in driving gear 15b drives reverse gear output gear 15a, drive 21 rotations of pto III axle by synchronizer 5 then, this moment, synchronizer 5 was got on the reverse gear output gear 15a by shifting fork assembly 19, and synchronizer 4,6 is a neutral gear.
Claims (2)
1, six grades of agricultural vehicle gearboxes, comprise casing (18), be installed in power input shaft I axle (1), intermediate propeller shaft II axle (17), pto III axle (21) on the casing (18) by bearings, be installed on the shifting fork assembly (19) on the casing, it is characterized in that: I axle (1) one end is provided with a constant mesh gear (20); I axle (1) and pto III axle (21) coaxial line; Intermediate propeller shaft II axle (17) is for the splined shaft parallel with I axle (1), pto III axle (21) and driving gear (2), IV shelves driving gear (3), III shelves driving gear (7), II shelves driving gear (8), reverse gear driving gear (15), I shelves driving gear (13) with constant mesh gear (20) engagement are installed on it successively, and IV shelves output gear (3a), III shelves output gear (7a), II shelves output gear (8a), reverse gear output gear (15a), I shelves output gear (13a) are installed on the pto III axle (21) successively; Also be provided with a break-in driving gear (15b) between reverse gear driving gear (15) and the reverse gear output gear (15a); Be provided with the clutch (5) that also is provided with between clutch (4), reverse gear output gear (15a) and the I shelves output gear (13a) that also is provided with between clutch (6), II shelves output gear (8a) and the III shelves output gear (7a) by shifting fork assembly (19) control by shifting fork assembly (19) control by shifting fork assembly (19) control between constant mesh gear (20) and the IV shelves output gear (3a).
2, six grades of agricultural vehicle gearboxes according to claim 1 is characterized in that: described clutch (4,5,6) is a synchronizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244970 CN2615433Y (en) | 2003-04-14 | 2003-04-14 | Six-gear speed-changing box for agricultural vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244970 CN2615433Y (en) | 2003-04-14 | 2003-04-14 | Six-gear speed-changing box for agricultural vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2615433Y true CN2615433Y (en) | 2004-05-12 |
Family
ID=34251420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03244970 Expired - Fee Related CN2615433Y (en) | 2003-04-14 | 2003-04-14 | Six-gear speed-changing box for agricultural vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2615433Y (en) |
-
2003
- 2003-04-14 CN CN 03244970 patent/CN2615433Y/en not_active Expired - Fee Related
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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 |