CN201100376Y - Agro car connection back bridge gear box - Google Patents
Agro car connection back bridge gear box Download PDFInfo
- Publication number
- CN201100376Y CN201100376Y CNU2007200294937U CN200720029493U CN201100376Y CN 201100376 Y CN201100376 Y CN 201100376Y CN U2007200294937 U CNU2007200294937 U CN U2007200294937U CN 200720029493 U CN200720029493 U CN 200720029493U CN 201100376 Y CN201100376 Y CN 201100376Y
- Authority
- CN
- China
- Prior art keywords
- gear
- axle
- shaft
- driven gear
- transmission case
- 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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- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a farm truck conjoined rear bridge transmission case, comprising a power input shaft I, power transferring shafts II and III, and a power output shaft IV, which are arranged on the body of the transmission case and a differential large gear which is installed inside the body of the transmission case. A reverse-gear duplicate gear is arranged on the I shaft; a low-speed driven gear and a high-speed driven gear are installed on the II shaft; a triaxial constant-mesh gear, a reverse-gear driven gear, a high-speed duplex gliding gear and a low-speed duplex gliding gear are arranged on the III shaft; the IV shaft is provided with a four-shaft constant-mesh gear and a four-shaft gear shaft which is constantly meshed with the differential large gear; and auxiliary transmission devices which can be constantly meshed are correspondingly installed on the I shaft and the II shaft. The farm truck conjoined rear bridge transmission case doubles the level and more reasonably carries on the level distribution to the original transmission ratio range, thereby the ratio applicability range is wider. Moreover, the farm truck conjoined rear bridge transmission case satisfies the speed requirement of the vehicle of different road conditions, and enhances the dynamic capability and the fuel economical capability of three-wheeled farm vehicles.
Description
Technical field
The utility model relates to a kind of gearbox, especially a kind of three wheeled transport vehicle used for farm connected rear axle gearbox.
Background technique
Existing three wheeled transport vehicle used for farm connected rear axle gearbox has five grades or six grades, wherein contains a reverse gear, and gear is few, speed of a motor vehicle unreasonable distribution.Especially one grade and reverse speed are higher, and the first gear speed height causes grade ability to reduce, and it is not steady to start to walk; The reverse speed height is handled difficulty.And existing three wheeled transport vehicle used for farm connected rear axle gearbox does not adopt secondary speed change more, is difficult to adapt to the speed of a motor vehicle requirement of different road conditions, and each grade speed ratio is difficult to reasonably combined, can not demonstrate fully the power character and the fuel economy of three wheeled transport vehicle used for farm.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, gear and distributes rational agricultural vehicle connected rear axle gearbox.
For solving the problems of the technologies described above, the utility model comprises the power input shaft I axle that is installed in parallel on the gearbox casing, power transmission shaft II axle, the III axle, pto IV axle, be installed in the differential mechanism gearwheel in the gearbox casing, its structural feature is on the I axle reverse dual-linked gear to be housed, the bottom gear driven gear is housed on the II axle, the top gear driven gear, three constant mesh gears are housed on the III axle, the reverse gear driven gear, top gear double crosslinking sliding gear and bottom gear double crosslinking sliding gear, four constant mesh gears are housed on the IV axle and are provided with and the normal four shaftgear axles that mesh of differential mechanism gearwheel the also corresponding secondary speed-changing device of normal engagement that is equipped with on I axle and II axle.
Described secondary speed-changing device comprises and is sleeved on the I axle secondary speed change double crosslinking sliding gear and is sleeved on the secondary speed change high speed driven gear on the II axle, secondary speed change low speed driven gear.
After adopting said structure, owing in gearbox, introduce secondary speed-changing device, gear is doubled, realize the conversion of top gear and bottom gear, carrying out original transmission speed ratio scope more reasonably, gear distributes, make speed ratio accommodation wider, satisfied the speed of a motor vehicle requirement of different road conditions, improved the power character and the fuel economy of three wheeled transport vehicle used for farm.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model.
Embodiment
With reference to accompanying drawing, this agricultural vehicle connected rear axle gearbox comprises the power input shaft I axle that is installed in parallel on the gearbox casing 14, power transmission shaft II axle, III axle, pto IV axle, be installed in the differential mechanism gearwheel 13 in the gearbox casing 14, reverse dual-linked gear 1 is housed on the I axle, and reverse dual-linked gear 1 is a sloth wheel gear; Bottom gear driven gear 3, top gear driven gear 6 are housed on the II axle; Three constant mesh gears 7, reverse gear driven gear 8, top gear double crosslinking sliding gear 9 and bottom gear double crosslinking sliding gear 10 are housed on the III axle; Four constant mesh gears 11 are housed on the IV axle and are provided with and often mesh with differential mechanism gearwheel 13 normal 12, three constant mesh gears 7 of four shaftgear axles and four constant mesh gears 11 that mesh.The also corresponding secondary speed-changing device of normal engagement that is equipped with on I axle and II axle, this secondary speed-changing device comprises and is sleeved on the I axle secondary speed change double crosslinking sliding gear 2 and is sleeved on the secondary speed change high speed driven gear 4 on the II axle, secondary speed change low speed driven gear 5, adopt spacer to fix between each gear on the II axle, the engagement by secondary speed change double crosslinking sliding gear 2 and secondary speed change high speed driven gear 4, secondary speed change low speed driven gear 5 realizes the conversion of secondary speed change; Secondary speed change double crosslinking sliding gear 2 is in bottom gear with secondary speed change low speed driven gear 5 each gear of engagement, and each gear was in top gear when secondary speed change double crosslinking sliding gear 2 meshed with secondary speed change high speed driven gear 4; Secondary speed change must be in the one state, belongs to normal engagement.
Eight forward gearss of the utility model and two drive paths following (Arabic numerals are accompanying drawing middle gear numbering) that retreat shelves:
Each gear drive path of low speed is as follows:
One grade: by input shaft input transmission, 2 → 5,4 → 10,7 → 11,12 → 13;
Second gear: by input shaft input transmission, 2 → 5,3 → 10,7 → 11,12 → 13;
Third gear: by input shaft input transmission, 2 → 5,6 → 9,7 → 11,12 → 13;
Fourth gear: by input shaft input transmission, 2 → 5,5 → 9,7 → 11,12 → 13;
Reverse gear: by input shaft input transmission, 2 → 5,6 → 1,1 → 8,7 → 11,12 → 13.
Each gear drive path is as follows at a high speed:
One grade: by input shaft input transmission, 2 → 4,4 → 10,7 → 11,12 → 13;
Second gear: by input shaft input transmission, 2 → 4,3 → 10,7 → 11,12 → 13;
Third gear: by input shaft input transmission, 2 → 4,6 → 9,7 → 11,12 → 13;
Fourth gear: by input shaft input transmission, 2 → 4,5 → 9,7 → 11,12 → 13;
Reverse gear: by input shaft input transmission, 2 → 4,6 → 1,1 → 8,7 → 11,12 → 13.
Claims (2)
1, a kind of agricultural vehicle connected rear axle gearbox, comprise the power input shaft I axle that is installed in parallel on the gearbox casing (14), power transmission shaft II axle, the III axle, pto IV axle, be installed in the differential mechanism gearwheel (13) in the gearbox casing (14), it is characterized in that on the I axle, being equipped with reverse dual-linked gear (1), bottom gear driven gear (3) is housed on the II axle, top gear driven gear (6), three constant mesh gears (7) are housed on the III axle, reverse gear driven gear (8), top gear double crosslinking sliding gear (9) and bottom gear double crosslinking sliding gear (10), four constant mesh gears (11) are housed on the IV axle and are provided with and the normal four shaftgear axles (12) that mesh of differential mechanism gearwheel (13) the also corresponding secondary speed-changing device of normal engagement that is equipped with on I axle and II axle.
2, agricultural vehicle connected rear axle gearbox according to claim 1 is characterized in that described secondary speed-changing device comprises to be sleeved on secondary speed change double crosslinking sliding gear (2) on the I axle and to be sleeved on secondary speed change high speed driven gear (4), secondary speed change low speed driven gear (5) on the II axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200294937U CN201100376Y (en) | 2007-10-25 | 2007-10-25 | Agro car connection back bridge gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200294937U CN201100376Y (en) | 2007-10-25 | 2007-10-25 | Agro car connection back bridge gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100376Y true CN201100376Y (en) | 2008-08-13 |
Family
ID=39936910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200294937U Expired - Fee Related CN201100376Y (en) | 2007-10-25 | 2007-10-25 | Agro car connection back bridge gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100376Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704494A (en) * | 2015-11-17 | 2017-05-24 | 马灿魁 | Novel agricultural vehicle gearbox |
-
2007
- 2007-10-25 CN CNU2007200294937U patent/CN201100376Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704494A (en) * | 2015-11-17 | 2017-05-24 | 马灿魁 | Novel agricultural vehicle gearbox |
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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 |