CN2692425Y - Broadened heavy duty gear box - Google Patents
Broadened heavy duty gear box Download PDFInfo
- Publication number
- CN2692425Y CN2692425Y CNU2004200390216U CN200420039021U CN2692425Y CN 2692425 Y CN2692425 Y CN 2692425Y CN U2004200390216 U CNU2004200390216 U CN U2004200390216U CN 200420039021 U CN200420039021 U CN 200420039021U CN 2692425 Y CN2692425 Y CN 2692425Y
- Authority
- CN
- China
- Prior art keywords
- gear
- shelves
- axle
- iii
- shaft
- 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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Abstract
The utility model relates to the technical field of a gear driving device. The broadened heavy duty gear box comprises a box body, an I shaft, an II shaft, an III shaft, an IV shaft, a shifting piece assembly installed on the box body and a differential assembly installed in the box body; the I shaft, the II shaft, the III shaft and the IV shaft are all installed on the box body through a bearing support. A final driving gear wheel is installed on the differential assembly, and a clutch is installed on the I shaft served as a power input shaft. The design feature is that either intermediate gear is only equipped with driving connection with the gear at the next higher level or the gear at the next lower level; thus, the reliability of the gear box is increased; the gear box has reasonable and simple structure, strong interchangeability of accessories and high generalization degree, and reduces the power consumption.
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 gear of agricultural transportation vehicle gearbox commonly used is more, for reducing cost, intermediate drive gear meshes with the gear shift sliding gear on the one hand often in design, mesh with the next stage driving gear again on the other hand, this structure has increased the wearing and tearing of intermediate drive gear greatly, and the gear shift sliding gear can not mesh the next stage driving gear to the infringement of middle driving gear well, thus the working life of having reduced gearbox.
Summary of the invention
The purpose of this utility model just provide a kind of simple in structure, transmission of power rationally, the agricultural transportation vehicle gearbox of long service life.
To achieve these goals, the technical solution of the utility model is: a kind of widening increased the weight of gearbox, comprise casing, be installed in I axle, II axle, III axle, IV axle on the casing by bearings, be installed on the shifting fork assembly on the casing, and be installed in the interior differential assembly of casing, and be equipped with on the differential assembly and pass gearwheel eventually, on the I axle as power input shaft clutch is installed; One end of described I axle is a splined shaft, and IV shelves, V shelves double-sliding gear are installed on it, and the other end of I axle fixedly mounts first constant mesh gear that promising I shelves, II shelves, III shelves, reverse gear provide power; One end of described II axle is fixed with and intermeshing second constant mesh gear of first constant mesh gear, and the other end of II axle is a splined shaft, II shelves, III shelves double-sliding gear is installed on it and is the sliding gear of I shelves, reverse gear transferring power; Described III axle is a splined shaft, be installed with successively on it can with the II shelves driven gear of II shelves, III shelves double-sliding gear engagement, can with the III shelves driven gear of II shelves, the engagement of III shelves double-sliding gear, can with for the I shelves driven gear of the sliding gear engagement of I shelves, reverse gear transferring power and transmit the driving gear of I shelves, II shelves, III shelves power to the IV axle; The transmission of power of be installed with V shelves driven gear, IV shelves driven gear on the described IV axle successively, transmitting with the IV axle power output gear that passes the gearwheel engagement eventually, with the III axle is to the 3rd constant mesh gear and the reverse gear of IV axle.
As a kind of improvement, the gear ratio i1=30 of described I shelves～34.
The utility model adopts said structure, and any one intermediate gear all only has drive connection with upper level gear or next stage gear, thereby has increased the reliability of gearbox, and this gearbox designs advantages of simple, accessory interchangeability is strong, and generalization degree height has reduced power consumpiton.
The gear ratio i1=30 of described I shelves～34 make the rotating speed coupling more reasonable, have improved the grade ability of vehicle.
Description of drawings
Accompanying drawing shows the utility model embodiment's compound sectional view;
Embodiment
As shown in drawings, a kind of widening increased the weight of gearbox and comprises casing 1, be installed in I axle 2, II axle 3, III axle 4, IV axle 5 on the casing 1 by bearings, be installed on the shifting fork assembly 7 on the casing, and be installed in differential assembly 8 in the casing 1, be equipped with on the differential assembly 8 and pass gearwheel 81 eventually, on the I axle 2 as power input shaft clutch is installed
One end of described I axle 2 is a splined shaft, and IV shelves, V shelves double-sliding gear 21 are installed on it, and the other end of I axle 2 fixedly mounts first constant mesh gear 22 that promising I shelves, II shelves, III shelves, reverse gear provide power;
One end of described II axle 3 is fixed with and first constant mesh gear, 22 intermeshing second constant mesh gears 31, the other end of II axle 3 is a splined shaft, II shelves, III shelves double-sliding gear 32 is installed on it and is the sliding gear 33 of I shelves, reverse gear transferring power;
Described III axle 4 is a splined shaft, be installed with successively on it can with the II shelves driven gear 41 of II shelves, III shelves double-sliding gear 32 engagements, can with the III shelves driven gear 42 of II shelves, 32 engagements of III shelves double-sliding gear, can with for the I shelves driven gear 43 of sliding gear 33 engagements of I shelves, reverse gear transferring power and transmit the driving gear 44 of I shelves, II shelves, III shelves power to IV axle 5;
The transmission of power of be installed with V shelves driven gear 51, IV shelves driven gear 52 on the described IV axle 5 successively, transmitting with the IV axle power output gear 53 that passes gearwheel 81 engagements eventually, with III axle 4 is to the 3rd constant mesh gear 54 and the reverse gear 55 of IV axle, and described IV axle 5 is an integral type with IV axle power output gear 53.
The gear transmission route of each gear is as follows in the foregoing description:
The I shelves: power is from 2 inputs of I axle, first constant mesh gear, 22 rotations on the I axle 2, first constant mesh gear 22 drives second constant mesh gear, 31 rotations on the II axle 3, the I shelves that second constant mesh gear 31 drives on II axle 3 and the II axle 3, sliding gear 33 rotations of reverse gear transferring power, sliding gear 33 drives I shelves driven gear 43 rotations on the III axle, driven gear 43 drives and transmits the I shelves to IV axle 5 on III axles 4 and the III axle 4, the II shelves, driving gear 44 rotations of III shelves power, driving gear 44 drives the 3rd constant mesh gear 54 rotations on the IV axle 5, the 3rd constant mesh gear 54 drives IV axle 5 and power output gear 53 rotations, the gearwheel 81 that passes eventually that power output gear 53 drives on the differential assembly 8 rotates, and outputs power by differential assembly 8 at last.
The II shelves: power is from 2 inputs of I axle, first constant mesh gear, 22 rotations on the I axle 2, first constant mesh gear 22 drives second constant mesh gear, 31 rotations on the II axle 3, the II shelves that second constant mesh gear 31 drives on II axle 3 and the II axle 3,32 rotations of III shelves double-sliding gear, II shelves driven gear 41 rotations on the II shelves gear driven III axle of double-sliding gear 32, II shelves driven gear 41 drives and transmits the I shelves to IV axle 5 on III axles 4 and the III axle 4, the II shelves, driving gear 44 rotations of III shelves power, driving gear 44 drives the 3rd constant mesh gear 54 rotations on the IV axle 5, the 3rd constant mesh gear 54 drives IV axle 5 and power output gear 53 rotations, the gearwheel 81 that passes eventually that power output gear 53 drives on the differential assembly 8 rotates, and outputs power by differential assembly 8 at last.
The III shelves: power is from 2 inputs of I axle, first constant mesh gear, 22 rotations on the I axle 2, first constant mesh gear 22 drives second constant mesh gear, 31 rotations on the II axle 3, the II shelves that second constant mesh gear 31 drives on II axle 3 and the II axle 3,32 rotations of III shelves double-sliding gear, III shelves driven gear 42 rotations on the III shelves gear driven III axle of double-sliding gear 32, III shelves driven gear 42 drives and transmits the I shelves to IV axle 5 on III axles 4 and the III axle 4, the II shelves, driving gear 44 rotations of III shelves power, driving gear 44 drives the 3rd constant mesh gear 54 rotations on the IV axle 5, the 3rd constant mesh gear 54 drives IV axle 5 and power output gear 53 rotations, the gearwheel 81 that passes eventually that power output gear 53 drives on the differential assembly 8 rotates, and outputs power by differential assembly 8 at last.
The IV shelves: power is from 2 inputs of I axle, IV shelves on the I axle 2,21 rotations of V shelves double-sliding gear, IV shelves driven gear 52 rotations on the IV shelves gear driven IV axle 5 of IV shelves, V shelves double-sliding gear 21, IV shelves driven gear 52 drives IV axle 5 and power output gear 53 rotations, the gearwheel 81 that passes eventually that power output gear 53 drives on the differential assembly 8 rotates, and outputs power by differential assembly 8 at last.
The V shelves: power is from 2 inputs of I axle, IV shelves on the I axle 2,21 rotations of V shelves double-sliding gear, V shelves driven gear 51 rotations on the V shelves gear driven IV axle 5 of IV shelves, V shelves double-sliding gear 21, V shelves driven gear 51 drives IV axle 5 and power output gear 53 rotations, the gearwheel 81 that passes eventually that power output gear 53 drives on the differential assembly 8 rotates, and outputs power by differential assembly 8 at last.
Reverse gear: power is from 2 inputs of I axle, first constant mesh gear, 22 rotations on the I axle 2, first constant mesh gear 22 drives second constant mesh gear, 31 rotations on the II axle 3, second constant mesh gear 31 drives the I shelves on II axle 3 and the II axle 3, sliding gear 33 rotations of reverse gear transferring power, sliding gear 33 drives reverse gear 55 rotations on the IV axle, reverse gear 55 drives IV axle 5 and power output gear 53 rotations, the gearwheel 81 that passes eventually that power output gear 53 drives on the differential assembly 8 rotates, and outputs power by differential assembly 8 at last.
Gear ratio of the present utility model: the gear ratio i1=32 of I shelves～34, the gear ratio i2=18 of II shelves～19, the gear ratio i3=9.5 of III shelves～10.5, the gear ratio i4=4.5 of IV shelves～5.5, reverse gear gear ratio R=21～23.
Claims (3)
1, a kind of widening increased the weight of gearbox, comprise casing (1), be installed in I axle (2), II axle (3), III axle (4), IV axle (5) on the casing (1) by bearings, be installed on the shifting fork assembly (7) on the casing, and be installed in differential assembly (8) in the casing (1), be equipped with on the differential assembly (8) and pass gearwheel (81) eventually, on the I axle (2) as power input shaft clutch is installed, it is characterized in that:
One end of described I axle (2) is a splined shaft, and IV shelves, V shelves double-sliding gear (21) are installed on it, and the other end of I axle (2) fixedly mounts first constant mesh gear (22) that promising I shelves, II shelves, III shelves, reverse gear provide power;
One end of described II axle (3) is fixed with and intermeshing second constant mesh gear of first constant mesh gear (22) (31), the other end of II axle (3) is a splined shaft, II shelves, III shelves double-sliding gear (32) is installed on it and is the sliding gear (33) of I shelves, reverse gear transferring power;
Described III axle (4) is a splined shaft, be installed with successively on it can with the II shelves driven gear (41) of II shelves, III shelves double-sliding gear (32) engagement, can with the III shelves driven gear (42) of II shelves, III shelves double-sliding gear (32) engagement, can with for the I shelves driven gear (43) of sliding gear (33) engagement of I shelves, reverse gear transferring power and transmit the driving gear (44) of I shelves, II shelves, III shelves power to IV axle (5);
The transmission of power of be installed with V shelves driven gear (51), IV shelves driven gear (52) on the described IV axle (5) successively, transmitting with the IV axle power output gear (53) that passes gearwheel (81) engagement eventually, with III axle (4) is to the 3rd constant mesh gear (54) and the reverse gear (55) of IV axle.
2, a kind of widening according to claim 1 increased the weight of gearbox, it is characterized in that: described IV axle (5) is an integral type with IV axle power output gear (53).
3, a kind of widening according to claim 1 and 2 increased the weight of gearbox, it is characterized in that: the gear ratio i1=30 of described I shelves～34.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200390216U CN2692425Y (en) | 2004-03-06 | 2004-03-06 | Broadened heavy duty gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200390216U CN2692425Y (en) | 2004-03-06 | 2004-03-06 | Broadened heavy duty gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692425Y true CN2692425Y (en) | 2005-04-13 |
Family
ID=34773765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200390216U Expired - Fee Related CN2692425Y (en) | 2004-03-06 | 2004-03-06 | Broadened heavy duty gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692425Y (en) |
-
2004
- 2004-03-06 CN CNU2004200390216U patent/CN2692425Y/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 |