CN2849328Y - Multi-gear speed change device for tractor - Google Patents
Multi-gear speed change device for tractor Download PDFInfo
- Publication number
- CN2849328Y CN2849328Y CN 200520088060 CN200520088060U CN2849328Y CN 2849328 Y CN2849328 Y CN 2849328Y CN 200520088060 CN200520088060 CN 200520088060 CN 200520088060 U CN200520088060 U CN 200520088060U CN 2849328 Y CN2849328 Y CN 2849328Y
- Authority
- CN
- China
- Prior art keywords
- gear
- speed change
- speed
- main
- driven gear
- 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 - Lifetime
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a multi-gear speed change device for a tractor, which comprises a gearbox box body, a rear axle box body and a main speed change device which is arranged in the gearbox box body and can realize four gear speed change; the interior of the gearbox box body is also provided with a gearshift device which can enable the tractor to move forward or backward; the input end of the gearshift device is connected with the output end of a tractor clutch assembly, and the output end of the gearshift device is connected with the input end of the main speed change device; the interior of the rear axle box body is provided with an auxiliary speed change device which can realize the four gear speed change; the input end of the auxiliary speed change device is connected with the output end of the main speed change device; the output end of the auxiliary speed change device is connected with the input end of a differential mechanism assembly. The multi-gear speed change device for the tractor has the advantage of compact structure, can realize thirty-two forward gears and thirty-two reverse gears, enable the tractor to improve the operation efficiency in engineering operations or paddy field operations and enhance the adaptive performance of the tractor to complex working conditions.
Description
Technical field
The utility model relates to the tractor technical field, relates in particular to a kind of gear speed change gear of tractor.
Background technique
The gear speed change gear of known large and medium-sized tractor generally can be realized 4 or 8 forward gearss, 2 or 4 reverse gears.Because gear is few, when tractor during at engineer operation or paddy-field-working, its operating efficiency obviously reduces, the bad adaptability of tractor.
The model utility content
Technical problem to be solved in the utility model is: a kind of compact structure is provided, can realizes more than 16 gears and more than 16 many gears of tractor speed change gears that retreat gear of advancing.
For solving the problems of the technologies described above, the technical solution of the utility model is: many gears of tractor speed change gear, comprise gear box, the back axle casing, be installed on described gear box inside, can realize that the main transformer quick-mounting of four-speed gear shift puts, described gear box inside also is equipped with the gearshift that can make tractor advance or retreat, and the input end of described gearshift is connected with the output terminal of tractor clutch assembly, and the output terminal of this gearshift is connected with the input end that the main transformer quick-mounting is put; Be provided with the secondary speed-changing device that can realize four-speed gear shift in the described back axle casing, the input end of described secondary speed-changing device is connected with the output terminal that the main transformer quick-mounting is put, and the output terminal of described secondary speed-changing device is connected with the input end of differential assembly.
Described gearshift can be realized by following concrete structure: comprise gearshift input shaft and gearshift output shaft, be fixed in the forward gears driving gear of described gearshift input shaft and retreat a grade driving gear, be sheathed on the forward gears driven gear of described gearshift output shaft and retreat a grade driven gear, be installed on described gearshift output shaft, and can be respectively with the forward gears driven gear or retreat the forward-reverse shelves engagement that grade driven gear feather key is connected and overlap idle wheel; The engagement of described forward gears driving gear and forward gears driven gear, described retreat grade driving gear by idle wheel with retreat a grade driven gear engagement; The engagement of described forward gears driving gear and forward gears driven gear describedly retreats grade driving gear and retreats a grade driven gear engagement; Described gearshift input shaft and tractor clutch assembly output shaft are axises.
Described secondary speed-changing device can be realized by following concrete structure: comprise secondary speed-changing device input shaft and secondary speed-changing device output shaft, be sheathed on the secondary fourth gear driving gear of described secondary speed-changing device input shaft respectively, secondary third speed drive gear, be installed on described secondary speed-changing device input shaft, can overlap with the pair three fourth gear engagement that secondary fourth gear driving gear is connected with secondary third speed drive gear feather key respectively, be fixed in secondary second gear driving gear and secondary one grade of driving gear of described secondary speed-changing device input shaft, be fixed in the secondary fourth gear driven gear and the secondary third gear driven gear of described secondary speed-changing device output shaft, be sheathed on the secondary second gear driven gear of described secondary speed-changing device output shaft respectively, secondary one grade of driven gear is installed on the secondary speed-changing device output shaft, can overlap with the pair one second gear engagement that secondary second gear driven gear is connected with secondary one grade of driven gear feather key respectively; Described secondary fourth gear driving gear and the engagement of secondary fourth gear driven gear, described secondary third speed drive gear and the engagement of secondary third gear driven gear, described secondary second gear driving gear and the engagement of secondary second gear driven gear, described secondary one grade of driving gear and secondary one grade of driven gear engagement; Described secondary speed-changing device input shaft and high and low shift speed change gear output shaft are axises.
When retreating shelves engagement cover when advancing and being connected with forward gears driven gear feather key, many gears of this tractor speed change gear is realized forward gears output, when retreating shelves engagement cover when advancing and retreating a grade driven gear feather key and is connected, many gears of this tractor speed change gear is realized retreating and grade is exported.Because the input end of gearshift directly is connected with the output terminal of tractor clutch assembly, the input speed height, each engaging gear and the bearing torque of each are little, thereby the size of gearshift is less, make the structure of many gears of this tractor speed change gear compact more.
When secondary second gear engagement cover meshes with secondary one grade of driven gear, can realize one grade of output of pair of secondary speed-changing device; When secondary second gear engagement cover meshes with secondary second gear driven gear, can realize the secondary second gear output of secondary speed-changing device; When secondary three fourth gear engagement cover meshes with secondary third speed drive gear, can realize the secondary third gear output of secondary speed-changing device; When secondary three fourth gear engagement cover meshes with secondary fourth gear driving gear, can realize the secondary fourth gear output of secondary speed-changing device.Can realize the output of four gears because the main transformer quick-mounting is put, in sum, technique scheme can realize that 16 forward gearss and 16 retreat shelves output.
As a kind of improvement, be provided with the high and low shift speed change gear that can realize two grades of speed changes between the output terminal that described main transformer quick-mounting is put and the input end of secondary speed-changing device, described high and low shift speed change gear is installed on the back axle box house.
Perhaps, be provided with the high and low shift speed change gear that to realize two grades of speed changes between the output terminal that described main transformer quick-mounting is put and the input end of secondary speed-changing device, described high and low shift speed change gear is installed on middle housing inside, and described middle housing is arranged between gear box and the back axle casing, also fixedlys connected with it respectively.
Described high and low shift speed change gear can be realized by following concrete structure: comprise high and low shift speed change gear input shaft and high and low shift speed change gear output shaft, be fixed in the high and low shift driving gear of described high and low shift speed change gear input shaft, feather key is connected in the high and low shift driven gear of described high and low shift speed change gear output shaft, duplicate gear in the middle of the high and low shift; Described high and low shift speed change gear input shaft and high and low shift speed change gear output shaft have same axis; The gearwheel of duplicate gear engagement in the middle of described high and low shift driving gear and the high and low shift, described high and low shift driven gear can be connected with the end feather key of high and low shift speed change gear input shaft respectively and with the pinion of high and low shift centre duplicate gear; It is an axis that described high and low shift speed change gear input shaft and main transformer quick-mounting are put output shaft.
When the high and low shift driven gear is connected with the end feather key of high and low shift speed change gear input shaft, can realize output at a high speed; When the pinion of duplicate gear in the middle of high and low shift driven gear and the high and low shift, can realize low speed output, " shelves of creeping " that just are commonly called as.After adopting technique scheme, many gears of this tractor speed change gear can realize that 32 forward gearss and 32 retreat shelves.Strengthened the conformability of tractor to complex working condition.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model embodiment's a structure principle chart;
Fig. 2 is the structure sectional view of middle forward-reverse engagement cover embodiment illustrated in fig. 1.
Embodiment
Many gears of tractor speed change gear as shown in drawings, comprises gear box, middle housing and back axle casing, and described middle housing is arranged between gear box and the back axle casing, also fixedlys connected with it respectively.Gear box inside is equipped with the gearshift that tractor is advanced or retreat 1 and can realizes that the main transformer quick-mounting of four-speed gear shift puts 2, the input end of described gearshift 1 is connected with the output terminal of tractor clutch assembly 5, and the output terminal of this gearshift 1 and main transformer quick-mounting are put 2 input end and be connected; Described middle housing inside is by being equipped with the high and low shift speed change gear 3 that can realize two grades of speed changes, and the input end of high and low shift speed change gear 3 and main transformer quick-mounting are put 2 output terminal and be connected; Be provided with the secondary speed-changing device 4 that can realize four-speed gear shift in the described back axle casing, the input end of described secondary speed-changing device 4 is connected with the output terminal of the output terminal of high and low shift speed change gear 3, and the output terminal of described secondary speed-changing device 4 is connected with the input end of differential assembly.
Certainly, described high and low shift speed change gear 3 also can be installed on the back axle box house, and like this, structure is simpler, but can increase the difficulty of processing of rear axle housing body.
Described gearshift 1 comprises gearshift input shaft 1a and gearshift output shaft 1d, key is connected in the forward gears driving gear 1b of described gearshift input shaft 1a and retreats a grade driving gear 1c, be sheathed on the forward gears driven gear 1e of described gearshift output shaft 1d and retreat a grade driven gear 1g, be installed on described gearshift output shaft 1d, and can be respectively with forward gears driven gear 1e with retreat grade forward-reverse shelves that driven gear 1g feather key an is connected engagement and overlap a 1f, idle wheel 1h; Described forward gears driving gear 1b and forward gears driven gear 1e engagement, described retreat grade driving gear 1c by idle wheel 1h with retreat a grade driven gear 1g engagement; Described gearshift input shaft 1a and tractor clutch assembly output shaft are axises.
As shown in Figure 2, described forward-reverse shelves engagement cover 1f comprise fixed cover 1f2 that a key is connected in gearshift output shaft 1d with one with overlap the moving cover 1f1 that the 1f2 feather key is connected surely, overlap 1f2 surely and overlap 1f1 and preferentially select for use involute splines to be connected with moving.Forward gears driven gear 1e is being provided with and the suitable involute outer spline 1e1 of involute inner spline that moves cover 1f1 near forward-reverse shelves engagement cover 1f side, retreating grade driven gear 1g is being provided with and the suitable involute outer spline 1g1 of involute inner spline that moves cover 1f1 near forward-reverse shelves engagement cover 1f side, the width of engagement cover 1f is suitable with the involute outer spline 1g1 sum that retreats grade driven gear 1g with the involute outer spline 1e1 of forward gears driven gear 1e, like this, when overlapping 1f2 surely in the effect lower edge of shift fork, moving cover 1f1 slides, when being connected with the involute outer spline 1e1 of forward gears driven gear 1e or the involute outer spline 1g1 feather key that retreats grade driven gear 1g, move to overlap 1f1 and overlap 1f2 surely and still mesh, thereby power is delivered to gearshift output shaft 1d by gearshift input shaft 1a.Because the motion of moving cover 1f1 slippage before and after overlapping on the 1f2 surely is just as the shuttle of weaving machine, so this gearshift is called the shuttle-type gearshift again.
When retreating a shelves engagement cover 1f when advancing and being connected with forward gears driven gear 1e feather key, the realization forward gears is exported; When retreating shelves engagement cover 1f when advancing and retreating a grade driven gear 1g feather key and is connected, realize retreating and grade export; When retreating a shelves engagement cover 1f when advancing and being in meta, unpowered output.
As shown in Figure 1, described main transformer quick-mounting is put 2 and is comprised that the main transformer quick-mounting is put input shaft and the main transformer quick-mounting is put output shaft, be sheathed on described main transformer quick-mounting respectively and put the main fourth gear driving gear 2f of input shaft, main third speed drive gear 2h, be installed on described main transformer quick-mounting and put input shaft, can overlap 2g with master's three fourth gear engagement that main fourth gear driving gear 2f is connected with main third speed drive gear 2h feather key respectively, be fixed in the main transformer quick-mounting and put main second gear driving gear 2i and main one grade of driving gear 2j of input shaft, be fixed in described main transformer quick-mounting and put the main fourth gear driven gear 2a and the main third gear driven gear 2b of output shaft, be sheathed on described main transformer quick-mounting respectively and put the main second gear driven gear 2c of output shaft, main one grade of driven gear 2e is installed on described main transformer quick-mounting and puts output shaft, can overlap 2d with master's one second gear engagement that main second gear driven gear 2c is connected with main one grade of driven gear 2e feather key respectively; Described main fourth gear driving gear 2f and main fourth gear driven gear 2a engagement, described main third speed drive gear 2h and main third gear driven gear 2b engagement, described main second gear driving gear 2i and main second gear driven gear 2c engagement, one grade of driving gear 2j of described master and main one grade of driven gear 2e engagement; Described main transformer quick-mounting puts input shaft and gearshift output shaft 1d is an axis.The structure of the structure of main second gear engagement cover 2d and main three fourth gear engagement cover 2g and forward-reverse shelves engagement cover 1f is basic identical.
As main second gear engagement cover 2d during, can realize that the main transformer quick-mounting puts one grade of output of master of 2 with main one grade of 2e driven gear engagement; As main second gear engagement cover 2d during, can realize that the main transformer quick-mounting puts 2 main second gear and export with main second gear driven gear 2c engagement; As main three fourth gear engagement cover 2g during, can realize that the main transformer quick-mounting puts 2 main third gear and export with main third speed drive gear 2h engagement; As main three fourth gear engagement cover 2g during, can realize that the main transformer quick-mounting puts 2 main fourth gear and export with main fourth gear driving gear 2f engagement.
Described high and low shift speed change gear 3 comprises high and low shift speed change gear input shaft and high and low shift speed change gear output shaft, be fixed in the high and low shift driving gear 3a of described high and low shift speed change gear input shaft, feather key is connected in the high and low shift driven gear 3b of described high and low shift speed change gear output shaft, duplicate gear 3c in the middle of the high and low shift; The end of high and low shift speed change gear input shaft is provided with external splines and has same axis with high and low shift speed change gear output shaft; The gearwheel of duplicate gear 3c engagement in the middle of described high and low shift driving gear 3a and the high and low shift, described high and low shift driven gear 3b can be respectively is connected with the external splines feather key of the end of high and low shift speed change gear input shaft and with the pinion of high and low shift centre duplicate gear 3c; It is an axis that described high and low shift speed change gear input shaft and main transformer quick-mounting are put output shaft.
When high and low shift driven gear 3b is connected with the end spline feather key of high and low shift speed change gear input shaft, can realize output at a high speed; When the pinion of duplicate gear 3c in the middle of high and low shift driven gear 3b and the high and low shift, can realize low speed output; When high and low shift driven gear 3b is in meta, unpowered output.
Described secondary speed-changing device 4 comprises secondary speed-changing device input shaft and secondary speed-changing device output shaft 4k, be sheathed on the secondary fourth gear driving gear 4a of described secondary speed-changing device input shaft respectively, secondary third speed drive gear 4c, be installed on described secondary speed-changing device input shaft, can overlap 4b with the pair three fourth gear engagement that secondary fourth gear driving gear 4a is connected with secondary third speed drive gear 4c feather key respectively, be fixed in secondary second gear driving gear 4d and secondary one grade of driving gear 4e of described secondary speed-changing device input shaft, be fixed in secondary fourth gear driven gear 4f and the secondary third gear driven gear 4g of described secondary speed-changing device output shaft 4k, be sheathed on the secondary second gear driven gear 4h of described secondary speed-changing device output shaft 4k respectively, secondary one grade of driven gear 4j is installed on secondary speed-changing device output shaft 4k, can overlap 4i with the pair one second gear engagement that secondary second gear driven gear 4h is connected with secondary one grade of driven gear 4j feather key respectively; Described secondary fourth gear driving gear 4a and secondary fourth gear driven gear 4f engagement, described secondary third speed drive gear 4b and secondary third gear driven gear 4g engagement, described secondary second gear driving gear 4d and secondary second gear driven gear 4h engagement, described secondary one grade of driving gear 4e and secondary one grade of driven gear 4j engagement; Described secondary speed-changing device input shaft and high and low shift speed change gear output shaft are axises.The structure of the structure of secondary second gear engagement cover 4i and secondary three fourth gear engagement cover 4b and forward-reverse shelves engagement cover 1f is basic identical.
When secondary second gear engagement cover 4i meshes with secondary one grade of driven gear 4j, can realize one grade of output of pair of secondary speed-changing device 4; When secondary second gear engagement cover 4i and secondary second gear driven gear 4h engagement, can realize the secondary second gear output of secondary speed-changing device 4; When secondary three fourth gear engagement cover 4b and secondary third speed drive gear 4c engagement, can realize the secondary third gear output of secondary speed-changing device 4; When secondary three fourth gear engagement cover 4c and secondary fourth gear driving gear 4a engagement, can realize the secondary fourth gear output of secondary speed-changing device 4.
In sum, many gears of this tractor speed change gear can realize that 32 forward gearss and 32 retreat shelves.
Claims (7)
1, many gears of tractor speed change gear, comprise gear box, the back axle casing, be installed on described gear box inside, can realize that the main transformer quick-mounting of four-speed gear shift puts (2), it is characterized in that: described gear box inside also is equipped with the gearshift (1) that can make tractor advance or retreat, the input end of described gearshift (1) is connected with the output terminal of tractor clutch assembly (5), and the output terminal of this gearshift (1) is connected with the input end that the main transformer quick-mounting is put (2); Be provided with the secondary speed-changing device (4) that can realize four-speed gear shift in the described back axle casing, the input end of described secondary speed-changing device (4) is connected with the output terminal that the main transformer quick-mounting is put (2), and the output terminal of described secondary speed-changing device (4) is connected with the input end of differential assembly.
2, many gears of tractor speed change gear as claimed in claim 1, it is characterized in that: described main transformer quick-mounting is put between the input end of the output terminal of (2) and secondary speed-changing device (4) and is provided with the high and low shift speed change gear (3) that can realize two grades of speed changes, and described high and low shift speed change gear (3) is installed on the back axle box house.
3, many gears of tractor speed change gear as claimed in claim 1, it is characterized in that: described main transformer quick-mounting is put between the input end of the output terminal of (2) and secondary speed-changing device (4) and is provided with the high and low shift speed change gear (3) that can realize two grades of speed changes, described high and low shift speed change gear (3) is installed on middle housing inside, and described middle housing is arranged between gear box and the back axle casing, also fixedlys connected with it respectively.
4, as claim 1 or 2 or 3 described many gears of tractor speed change gears, it is characterized in that: described gearshift (1) comprises gearshift input shaft (1a) and gearshift output shaft (1d), be fixedly connected on the forward gears driving gear (1b) of described gearshift input shaft (1a) and retreat a grade driving gear (1c), be sheathed on the forward gears driven gear (1e) of described gearshift output shaft (1d) and retreat a grade driven gear (1g), be installed on described gearshift output shaft (1d), and can be respectively with forward gears driven gear (1e) with retreat the forward-reverse shelves engagement covers (1f) that a grade driven gear (1g) feather key is connected, idle wheel (1h); The engagement of described forward gears driving gear (1b) and forward gears driven gear (1e), described retreat a grade driving gear (1c) by idle wheel (1h) with retreat a grade driven gear (1g) and mesh; Described gearshift input shaft (1a) is an axis with tractor clutch assembly output shaft.
5, many gears of tractor speed change gear as claimed in claim 4, it is characterized in that: described high and low shift speed change gear (3) comprises high and low shift speed change gear input shaft and high and low shift speed change gear output shaft, be fixed in the high and low shift driving gear (3a) of described high and low shift speed change gear input shaft, feather key is connected in the high and low shift driven gear (3b) of described high and low shift speed change gear output shaft, duplicate gear (3c) in the middle of the high and low shift; Described high and low shift speed change gear input shaft and high and low shift speed change gear output shaft have same axis; The gearwheel of duplicate gear (3c) engagement in the middle of described high and low shift driving gear (3a) and the high and low shift, described high and low shift driven gear (3b) can be connected with the end feather key of high and low shift speed change gear input shaft respectively and with the pinion of high and low shift centre duplicate gear (3c); It is an axis that described high and low shift speed change gear input shaft and main transformer quick-mounting are put output shaft.
6, many gears of tractor speed change gear as claimed in claim 5, it is characterized in that: described secondary speed-changing device (4) comprises secondary speed-changing device input shaft and secondary speed-changing device output shaft (4k), be sheathed on the secondary fourth gear driving gear (4a) of described secondary speed-changing device input shaft respectively, secondary third speed drive gear (4c), be installed on described secondary speed-changing device input shaft, can overlap (4b) with the pair three fourth gear engagement that secondary fourth gear driving gear (4a) is connected with secondary third speed drive gear (4c) feather key respectively, be fixed in secondary second gear driving gear (4d) and secondary one grade of driving gear (4e) of described secondary speed-changing device input shaft, be fixed in the secondary fourth gear driven gear (4f) and the secondary third gear driven gear (4g) of described secondary speed-changing device output shaft (4k), be sheathed on the secondary second gear driven gear (4h) of described secondary speed-changing device output shaft (4k) respectively, secondary one grade of driven gear (4j) is installed on secondary speed-changing device output shaft (4k), can overlap (4i) with the pair one second gear engagement that secondary second gear driven gear (4h) is connected with secondary one grade of driven gear (4j) feather key respectively; Described secondary fourth gear driving gear (4a) and secondary fourth gear driven gear (4f) engagement, described secondary third speed drive gear (4b) and secondary third gear driven gear (4g) engagement, described secondary second gear driving gear (4d) and secondary second gear driven gear (4h) engagement, described secondary one grade of driving gear (4e) and secondary one grade of driven gear (4j) engagement; Described secondary speed-changing device input shaft and high and low shift speed change gear output shaft are axises.
7, many gears of tractor speed change gear as claimed in claim 1, it is characterized in that: described main transformer quick-mounting is put (2) and is comprised that the main transformer quick-mounting is put input shaft and the main transformer quick-mounting is put output shaft, be sheathed on described main transformer quick-mounting respectively and put the main fourth gear driving gear (2f) of input shaft, main third speed drive gear (2h), be installed on described main transformer quick-mounting and put input shaft, can overlap (2g) with master's three fourth gear engagement that main fourth gear driving gear (2f) is connected with main third speed drive gear (2h) feather key respectively, be fixed in the main transformer quick-mounting and put main second gear driving gear (2i) and main one grade of driving gear (2j) of input shaft, be fixed in described main transformer quick-mounting and put the main fourth gear driven gear (2a) and the main third gear driven gear (2b) of output shaft, be sheathed on described main transformer quick-mounting respectively and put the main second gear driven gear (2c) of output shaft, main one grade of driven gear (2e) is installed on described main transformer quick-mounting and puts output shaft, can overlap (2d) with master's one second gear engagement that main second gear driven gear (2c) is connected with main one grade of driven gear (2e) feather key respectively; Described main fourth gear driving gear (2f) and main fourth gear driven gear (2a) engagement, described main third speed drive gear (2h) and main third gear driven gear (2b) engagement, described main second gear driving gear (2i) and main second gear driven gear (2c) engagement, one grade of driving gear of described master (2j) and main one grade of driven gear (2e) engagement; Described main transformer quick-mounting puts input shaft and gearshift output shaft (1d) is an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088060 CN2849328Y (en) | 2005-10-21 | 2005-10-21 | Multi-gear speed change device for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088060 CN2849328Y (en) | 2005-10-21 | 2005-10-21 | Multi-gear speed change device for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849328Y true CN2849328Y (en) | 2006-12-20 |
Family
ID=37521811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520088060 Expired - Lifetime CN2849328Y (en) | 2005-10-21 | 2005-10-21 | Multi-gear speed change device for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2849328Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011839A (en) * | 2010-12-02 | 2011-04-13 | 山东五征集团有限公司 | Tractor transmission case with 24 and 12 gears |
| CN104088971A (en) * | 2014-05-09 | 2014-10-08 | 天津内燃机研究所 | Automobile and transmission and clutch for automobile |
| CN107701696A (en) * | 2017-10-20 | 2018-02-16 | 浙江飞碟汽车制造有限公司 | 16+16 keeps off hillside tractor transmission case |
| CN108386494A (en) * | 2018-05-02 | 2018-08-10 | 山东五征集团有限公司 | Orchard type multi gear position gear box of tractor |
-
2005
- 2005-10-21 CN CN 200520088060 patent/CN2849328Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011839A (en) * | 2010-12-02 | 2011-04-13 | 山东五征集团有限公司 | Tractor transmission case with 24 and 12 gears |
| CN102011839B (en) * | 2010-12-02 | 2013-01-02 | 山东五征集团有限公司 | Tractor transmission case with 24 and 12 gears |
| CN104088971A (en) * | 2014-05-09 | 2014-10-08 | 天津内燃机研究所 | Automobile and transmission and clutch for automobile |
| CN107701696A (en) * | 2017-10-20 | 2018-02-16 | 浙江飞碟汽车制造有限公司 | 16+16 keeps off hillside tractor transmission case |
| CN108386494A (en) * | 2018-05-02 | 2018-08-10 | 山东五征集团有限公司 | Orchard type multi gear position gear box of tractor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2849328Y (en) | Multi-gear speed change device for tractor | |
| CN201303516Y (en) | Gearbox of a harvester | |
| CN2916264Y (en) | Continuously variable transmission case for small-sized loader | |
| CN201554827U (en) | Variator integrated with advancing, reversing gear, and stress applying of motor vehicle | |
| CN2814017Y (en) | Tractor gear-box assembly | |
| CN201963815U (en) | Gear shift speed changer for engineering machinery | |
| CN203239872U (en) | Combine-harvester four-gear transmission assembly | |
| CN201606458U (en) | Speed changing box of mini-tiller | |
| CN2746205Y (en) | Vehicle mechanical speed transforming transmission | |
| CN2854096Y (en) | Engine of two-clutch two-gear motorcycle | |
| CN111765220A (en) | Three-speed gear box structure | |
| CN201496486U (en) | Eight-gear gearbox with auxiliary speed changer and power takeoff | |
| CN201973188U (en) | Ultra-low speed gearbox for crawler tractor | |
| CN202108946U (en) | Motorcycle reverse gear device with boosting mechanism | |
| CN2485173Y (en) | Transmission | |
| CN101592222B (en) | Fixed shaft type hydraulic transmission | |
| CN2543827Y (en) | Six-position shifting speel variator for motorcycle | |
| CN2680496Y (en) | Tricycle shaft transmission boosting reverse speed changer | |
| CN2802190Y (en) | Major-minor variable speed multi-gear vehicle conjuncted rear axle gear box | |
| CN100516588C (en) | Novel power gear shifting speed changing box for wheeled model digger | |
| CN102797804B (en) | Speed changing structure of power transmission device | |
| CN220220401U (en) | Multi-gear speed change system, electric drive assembly and vehicle chassis | |
| CN201818732U (en) | Electric-control transmission gear of loading machine | |
| CN201496487U (en) | Ten-gear gearbox with auxiliary speed changer and power takeoff | |
| CN2725639Y (en) | Three gear machine rolling boat speed shanging box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUTIAN LEIAO INTERNATIONAL HEAVY INDUSTRY CO., LTD Free format text: FORMER NAME OR ADDRESS: FUTIAN HEAVY INDUSTRY CO., LTD., SHANDONG |
|
| CP03 | Change of name, title or address |
Address after: 261200 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Futian Leiwo International Heavy Industry Co., Ltd. Address before: 261200 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Futian Heavy Industry Co., Ltd., Shanghai |
|
| CX01 | Expiry of patent term |
Granted publication date: 20061220 |
|
| EXPY | Termination of patent right or utility model |