CN202707957U - Ten-gear speed changer for dual-intermediate shaft full synchronizer - Google Patents
Ten-gear speed changer for dual-intermediate shaft full synchronizer Download PDFInfo
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- CN202707957U CN202707957U CN 201220411334 CN201220411334U CN202707957U CN 202707957 U CN202707957 U CN 202707957U CN 201220411334 CN201220411334 CN 201220411334 CN 201220411334 U CN201220411334 U CN 201220411334U CN 202707957 U CN202707957 U CN 202707957U
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- gear
- main shaft
- gears
- countershaft
- synchronizer
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Abstract
The utility model provides a ten-gear speed changer for a dual-intermediate shaft full synchronizer, which comprises a two-section type structure formed by a main box and a subsidiary box, wherein the main box is internally provided with a main speed changer, the subsidiary box is internally provided with a subsidiary speed changer, the main speed changer is provided with five forward gears and one reverse gear, the subsidiary speed changer is provided with two gears, so that a 5*2 structure can be formed, and ten forward gears and two reverse gears can be formed, the main speed changer comprises an input mechanism and a speed changing mechanism, and the input mechanism comprises an input shaft and two subsidiary shafts; the two subsidiary shafts are in parallel with the main shaft and are in parallel with each other by 180 degrees to be respectively arranged at two sides of the main shaft, and an idle wheel is meshed with reverse-gear gears of the subsidiary shafts; the subsidiary speed changer comprises a subsidiary box planetary mechanism connected with a main shaft spline, and an output end of the subsidiary box planetary mechanism is provided with a subsidiary box locking ring type synchronizer; and the main shaft-gear gear is axially positioned by a spline baffle piece. According to the design, a whole set of device is simple in structure, reliable to connect, flexible in gear shift, good in generality, convenient for series entrucking, good in assembly performance, sufficiently applicable to the requirements of users, and wide in market prospect.
Description
Technical field
The utility model is a kind of pair of full synchronizer ten shift transmissions of jack shaft.
Background technique
The speed changer of two intermediate shaft structures has the advantages such as compact structure, transmitting torque is large, the life-span is long, is widely used in medium and heavy truck.At present, two intermediate shaft structure speed changer main tanks great majority use the sliding sleeves gearshift, and the sliding sleeve gearshift is so that the gearshift difficulty, have relatively high expectations to driver's driving technology; Simultaneously, the main shaft assembly position structure of usefulness is the axially locating that realizes main shaft assembly by bearing, and part is more, and price is high, and assembling is complicated.
Summary of the invention
The utility model is for the deficiencies in the prior art, provides a kind of and can satisfy full synchronizer ten shift transmissions of two jack shafts that the large bearing capacity of heavy motor truck, good fuel economy and low noise require, and the technical program is particularly suitable for road vehicle.
The utility model is realized by following technical measures: full synchronizer ten shift transmissions of two jack shafts, the two-part structure that is consisted of by main tank and odd-side, basic trnasmission is arranged in the main tank, auxiliary transmission is arranged in the odd-side, and basic trnasmission has five forward and one to reverse gear, and auxiliary transmission has two gears, consist of 5 * 2 structures, form ten advance gear and two and reverse gear, described basic trnasmission comprises input mechanism and gear, and input mechanism comprises input shaft and two countershafts;
Described gear comprises main shaft, idle pulley, be connected with main spindle multiple spline and the main shaft gearshift self energizing effort pin-type synchronizer that can horizontally slip along main shaft, the countershaft shift gear that is connected with the long flat key of countershaft and with the main shaft main shaft shift gear that the self energizing effort pin-type synchronizer cooperates of shifting gears;
Described countershaft shift gear comprises the countershaft first gear, the countershaft second gear, countershaft three gear gears, countershaft four gear gears, countershaft five gear gear and countershaft reverse gears, described main shaft shift gear comprises the main shaft first gear, the main shaft second gear, main shaft three gear gears, main shaft four gear gears, main shaft five gear gear and main shaft reverse gears, main shaft gearshift self energizing effort pin-type synchronizer have three and be distributed on the main shaft first gear and the main shaft reverse gear between, between two main shafts, the three gear gears and between the four main five gear gears, the engaging tooth of main shaft gearshift self energizing effort pin-type synchronizer can be meshed with corresponding main shaft shift gear at the end of travel that horizontally slips;
Two countershafts are parallel to main shaft and mutually are the both sides that 180 degree are separately positioned on main shaft, and idle pulley is meshed with the countershaft reverse gear; Described auxiliary transmission comprises the odd-side planetary mechanism that is connected with main spindle multiple spline, and odd-side planetary mechanism output terminal is provided with odd-side lock ring type synchronizer;
Described main shaft shift gear is by spline catch axially locating.
Concrete characteristics of the present utility model also have, and above-mentioned auxiliary transmission comprises gearshift synchronizer, sun gear, planet wheel and gear ring, and the main shaft of described basic trnasmission is connected with the sun gear of auxiliary transmission by spline.
Concrete characteristics of the present utility model also have, the mounting point of above-mentioned spline catch is: main shaft reverse gear both sides, main shaft first gear right side, between main shaft first gear and the main shaft second gear, between main shaft second gear left side, main shaft three gear gear right sides, main shaft three gear gears and the main shaft four gear gears, main shaft four gear gear left sides.
Concrete characteristics of the present utility model also have, and above-mentioned self energizing effort pin-type synchronizer links to each other with external splines on the main shaft by internal spline, and interior external splines is all done tapered, can produce the axial force of increase in synchronizing process.
Concrete characteristics of the present utility model also have, and it is 14.28 that a gear of above-mentioned speed changer transmits speed ratio; Two gears transmit speed ratio: 10.62; Three gears transmit speed ratio 7.87; Four gears transmit speed ratio 5.88; Five gears transmit speed ratio 4.375; Six gears transmit speed ratio 3.27; Seven gears transmit speed ratio 2.43; Eight gears transmit speed ratio 1.8; Nine gears transmit speed ratio 1.34; Ten gears transmit speed ratio 1.
Concrete characteristics of the present utility model also have, and the high-grade transmission speed ratio that reverses gear of above-mentioned speed changer is 3.18, and the low-grade transmission speed ratio that reverses gear is 13.91.
The beneficial effects of the utility model are: (1) speed changer main tank adopts full synchronizer structure, and gear selecting gearshift is light, reduces the gearshift time, prolongs gear shifting structure working life, on the vehicle that is particularly suitable for gearshift is had relatively high expectations.
(2) realize gear axially locating on the main shaft with eight spline catch, simple in structure, bearing capacity is strong, durability is high, has improved the twin countershaft transmission life-span under the prerequisite that does not increase cost.
(3) the transmission Speed Ratio Distribution is more reasonable.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the main shaft assembly structural drawing of the utility model embodiment.
Fig. 3 is the gear layout chart in the casing in the embodiment of the present utility model.
Fig. 4 is each the gear power flow chart in the utility model embodiment.
Among the figure, 1, main shaft, 2, the self energizing effort pin-type synchronizer, 3, the spline catch, 4, main shaft four gear gears, 5, the spline catch, 6, the spline catch, 7, main shaft three gear gears, 8, the self energizing effort pin-type synchronizer, 9, the spline catch, 10, main shaft second gear, 11, the spline catch, 12, the spline catch, 13, main shaft first gear, 14, the self energizing effort pin-type synchronizer, 15, the spline catch, 16, main shaft reverse gear, 17, the spline catch, 18, countershaft five gear gears; 19, countershaft four gear gears; 20, countershaft three gear gears; 21, countershaft second gear; 22, countershaft first gear; 23, countershaft reverse gear; 25, gear ring; 26, odd-side lock ring type synchronizer; 27, odd-side sun gear; 28, planet wheel; 30, idle pulley; 33, input shaft; 34, main shaft five gear gears; 37, left countershaft; 39, right countershaft; A, main tank, B, odd-side.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by an embodiment, this programme is set forth.
Such as accompanying drawing, a kind of pair of full synchronizer ten shift transmissions of jack shaft, two-part structure by main tank and odd-side consist of has basic trnasmission in the main tank, auxiliary transmission is arranged in the odd-side, basic trnasmission has five forward and one to reverse gear, auxiliary transmission has two gears, consists of 5 * 2 structures, forms ten advance gear and two and reverses gear, described basic trnasmission comprises input mechanism and gear, and input mechanism comprises input shaft and two countershaft-left countershaft 37 and right countershafts 39; Described gear comprise main shaft 1, idle pulley 30, with main shaft 1 spline joint and the main shaft gearshift self energizing effort pin- type synchronizer 2,8,14 that can horizontally slip along main shaft, the countershaft shift gear that is connected with the long flat key of countershaft and with the main shaft main shaft shift gear that the self energizing effort pin-type synchronizer cooperates of shifting gears; Described countershaft shift gear comprises countershaft first gear 22, countershaft second gear 21, countershaft three gear gears 20, countershaft four gear gears 19, countershaft five gear gear 18 and countershaft reverse gears 23, described main shaft shift gear comprises main shaft first gear 13, main shaft second gear 10, main shaft three gear gears 7, main shaft four gear gears 4, main shaft five gear gear 34 and main shaft reverse gears 16, main shaft gearshift self energizing effort pin-type synchronizer have three and be distributed on main shaft first gear 13 and main shaft reverse gear 16 between, main shaft two, three keep off between the gears and main shaft four, between the five gear gears, the engaging tooth of main shaft gearshift self energizing effort pin-type synchronizer can be meshed with corresponding main shaft shift gear at the end of travel that horizontally slips; Left and right countershaft 37,39 is parallel to main shaft 1 and mutually is the both sides that 180 degree are separately positioned on main shaft 1, and idle pulley 30 is meshed with countershaft reverse gear 23; Described auxiliary transmission comprises the odd-side planetary mechanism with main shaft 1 spline joint, and odd-side planetary mechanism output terminal is provided with odd-side lock ring type synchronizer 26; Described main shaft shift gear is by spline catch axially locating.
Wherein, auxiliary transmission comprises gearshift synchronizer, sun gear, planet wheel and gear ring, and the main shaft of described basic trnasmission is connected with the sun gear of auxiliary transmission by spline.
The mounting point of spline catch is: main shaft reverse gear both sides, main shaft first gear right side, between main shaft first gear and the main shaft second gear, between main shaft second gear left side, main shaft three gear gear right sides, main shaft three gear gears and the main shaft four gear gears, main shaft four gear gear left sides.
The self energizing effort pin-type synchronizer links to each other with external splines on the main shaft by internal spline, and interior external splines is all done tapered, can produce the axial force that increases in synchronizing process.
It is 14.28 that one gear of speed changer transmits speed ratio; Two gears transmit speed ratio: 10.62; Three gears transmit speed ratio 7.87; Four gears transmit speed ratio 5.88; Five gears transmit speed ratio 4.375; Six gears transmit speed ratio 3.27; Seven gears transmit speed ratio 2.43; Eight gears transmit speed ratio 1.8; Nine gears transmit speed ratio 1.34; Ten gears transmit speed ratio 1; The high-grade transmission speed ratio that reverses gear is 3.18, and the low-grade transmission speed ratio that reverses gear is 13.91.
Concrete transmission process of the present utility model is as follows: the power of motor is by input shaft 1 input, and main shaft five gear gears 34 are secured together by internal spline and input shaft 33, and meshes with two countershafts, five gear gears 18, and input power is shunted to left and right the countershaft assembly.Countershaft five gear gears 18, countershaft first gear 22, countershaft second gear 21, countershaft three gear gears 20, countershaft four gear gears 19 are assembled together with left and right countershaft 37,39 interference respectively and form the countershaft assembly, countershaft five gear gears 18 drive the rotation of countershaft assembly, self energizing effort synchronizer 14 is moved to the left under the driving of gearshift, the left sliding sleeve of synchronizer makes main shaft first gear 31 connect together with main shaft 38, thereby power is compiled on the main shaft 38 from two countershaft first gears 22 by main shaft first gear 31.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear, slow down through planetary mechanism, power is exported from output shaft, and transmission assembly is in a gear to be put, and transmits speed ratio 14.28.
In like manner, move right under the driving of self energizing effort synchronizer 8 at gearshift, the right sliding sleeve of synchronizer makes main shaft second gear 10 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft 38 by main shaft second gear 10.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear, slow down through planetary mechanism, power is exported from output shaft, and transmission assembly is in two gears to be put, and transmits speed ratio 10.62.
Be moved to the left under the driving of self energizing effort synchronizer 8 at gearshift, the left sliding sleeve of synchronizer makes main shaft three gear gears 7 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft 38 by main shaft three gear gears 7.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side gearshift synchronizer 26 is moved to the left, and odd-side is in low gear, slow down through planetary mechanism, power is exported from output shaft, and transmission assembly is in three gears to be put, and transmits speed ratio 7.87.
Move right under the driving of self energizing effort synchronizer 2 at gearshift, the right sliding sleeve of synchronizer makes main shaft four gear gears 4 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft four gear gears 4.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear, slow down through planetary mechanism, power is exported from output shaft, and transmission assembly is in four gears to be put, and transmits speed ratio 5.88.
Be moved to the left under the driving of self energizing effort synchronizer 2 at gearshift, the left sliding sleeve of synchronizer makes main shaft five gear gears 34 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft five gear gears 34.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear, slow down through planetary mechanism, power is exported from output shaft, and transmission assembly is in five gears to be put, and transmits speed ratio 4.375.
Be moved to the left under the driving of synchronizer 14 at gearshift, the left sliding sleeve of synchronizer makes main shaft first gear 31 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft first gear 31.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism, odd-side is in high gear, directly from output shaft output, transmission assembly is in six gears to be put power, transmits speed ratio 3.27.
Move right under the driving of self energizing effort synchronizer 8 at gearshift, the right sliding sleeve of synchronizer makes main shaft second gear 10 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft second gear 10.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism, odd-side is in high gear, directly from output shaft output, transmission assembly is in seven gears to be put power, transmits speed ratio 2.43.
Be moved to the left under the driving of self energizing effort synchronizer 8 at gearshift, the left sliding sleeve of synchronizer makes main shaft three gear gears 7 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft three gear gears 7.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism, odd-side is in high gear, directly from output shaft output, transmission assembly is in eight gears to be put power, transmits speed ratio 1.8.
Move right under the driving of self energizing effort synchronizer 2 at gearshift, the right sliding sleeve of synchronizer makes main shaft four gear gears 4 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft four gear gears 4.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism, odd-side is in high gear, directly from output shaft output, transmission assembly is in nine gears to be put power, transmits speed ratio 1.34.
Be moved to the left under the driving of self energizing effort synchronizer 2 at gearshift, the left sliding sleeve of synchronizer makes main shaft five gear gears 34 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft five gear gears 34.Power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism, odd-side is in high gear, directly from output shaft output, transmission assembly is in ten gears to be put power, transmits speed ratio 1.
The utility model is designed with and reverses gear, in the situation that car load engine speed direction is constant, makes the speed changer output speed opposite with engine speed.
Under the driving of synchronizer 14 at gearshift, move right, main shaft reverse gear 29 is connected together with main shaft 38.Power reaches countershaft from input shaft 33, two countershaft reverse gears 23 pass to two idle pulleys 30, idle pulley 30 reverses gear with main shaft and takes turns 29 engagements, power compiles and passes to main shaft reverse gear 29, main shaft reverse gear 29 drives main shaft 38 counterrotatings, power is delivered to odd-side sun gear 27 by main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements, transmission of power is to gear ring 25, odd-side lock ring type synchronizer 26 moves right, and gear ring 25 is with the idle running of planet mechanism, and odd-side is in the high gear that reverses gear, power is directly exported from output shaft, transmission assembly is in the high gear position of reversing gear, and transmits speed ratio 3.18, the output shaft counterrotating.
In like manner, when odd-side lock ring type synchronizer 26 is moved to the left, odd-side is in low gear, slows down through planetary mechanism, and power is exported from output shaft, and transmission assembly is in the low gear position of reversing gear, and transmits speed ratio 13.91, the rotation of output shaft low-speed reverse.
The utility model can pass through or adopt existing techniques in realizing without the technical characteristics of describing; do not repeat them here; certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example; the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.
Claims (6)
1. two full synchronizer ten shift transmissions of jack shaft, it is characterized in that, two-part structure by main tank and odd-side consist of has basic trnasmission in the main tank, auxiliary transmission is arranged in the odd-side, basic trnasmission has five forward and one to reverse gear, auxiliary transmission has two gears, consists of 5 * 2 structures, forms ten advance gear and two and reverses gear, described basic trnasmission comprises input mechanism and gear, and input mechanism comprises input shaft and two countershafts;
Described gear comprises main shaft, idle pulley, be connected with main spindle multiple spline and the main shaft gearshift self energizing effort pin-type synchronizer that can horizontally slip along main shaft, the countershaft shift gear that is connected with the long flat key of countershaft and with the main shaft main shaft shift gear that the self energizing effort pin-type synchronizer cooperates of shifting gears;
Described countershaft shift gear comprises the countershaft first gear, the countershaft second gear, countershaft three gear gears, countershaft four gear gears, countershaft five gear gear and countershaft reverse gears, described main shaft shift gear comprises the main shaft first gear, the main shaft second gear, main shaft three gear gears, main shaft four gear gears, main shaft five gear gear and main shaft reverse gears, main shaft gearshift self energizing effort pin-type synchronizer have three and be distributed on the main shaft first gear and the main shaft reverse gear between, between two main shafts, the three gear gears and between the four main five gear gears, the engaging tooth of main shaft gearshift self energizing effort pin-type synchronizer can be meshed with corresponding main shaft shift gear at the end of travel that horizontally slips;
Two countershafts are parallel to main shaft and mutually are the both sides that 180 degree are separately positioned on main shaft, and idle pulley is meshed with the countershaft reverse gear; Described auxiliary transmission comprises the odd-side planetary mechanism that is connected with main spindle multiple spline, and odd-side planetary mechanism output terminal is provided with odd-side lock ring type synchronizer;
Described main shaft shift gear is by spline catch axially locating.
2. according to claim 1 pair of full synchronizer ten shift transmissions of jack shaft is characterized in that, described auxiliary transmission comprises gearshift synchronizer, sun gear, planet wheel and gear ring, and the main shaft of described basic trnasmission is connected with the sun gear of auxiliary transmission by spline.
3. according to claim 1 pair of full synchronizer ten shift transmissions of jack shaft, it is characterized in that, the mounting point of described spline catch is: main shaft reverse gear both sides, main shaft first gear right side, between main shaft first gear and the main shaft second gear, between main shaft second gear left side, main shaft three gear gear right sides, main shaft three gear gears and the main shaft four gear gears, main shaft four gear gear left sides.
4. according to claim 1 pair of full synchronizer ten shift transmissions of jack shaft, it is characterized in that, described self energizing effort pin-type synchronizer links to each other with external splines on the main shaft by internal spline, and interior external splines is all done tapered, can produce the axial force that increases in synchronizing process.
5. according to claim 1 pair of full synchronizer ten shift transmissions of jack shaft is characterized in that, it is 14.28 that a gear of described speed changer transmits speed ratio; Two gears transmit speed ratio: 10.62; Three gears transmit speed ratio 7.87; Four gears transmit speed ratio 5.88; Five gears transmit speed ratio 4.375; Six gears transmit speed ratio 3.27; Seven gears transmit speed ratio 2.43; Eight gears transmit speed ratio 1.8; Nine gears transmit speed ratio 1.34; Ten gears transmit speed ratio 1.
6. according to claim 1 pair of full synchronizer ten shift transmissions of jack shaft is characterized in that, the high-grade transmission speed ratio that reverses gear of described speed changer is 3.18, and the low-grade transmission speed ratio that reverses gear is 13.91.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411334 CN202707957U (en) | 2012-08-20 | 2012-08-20 | Ten-gear speed changer for dual-intermediate shaft full synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411334 CN202707957U (en) | 2012-08-20 | 2012-08-20 | Ten-gear speed changer for dual-intermediate shaft full synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707957U true CN202707957U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411334 Expired - Fee Related CN202707957U (en) | 2012-08-20 | 2012-08-20 | Ten-gear speed changer for dual-intermediate shaft full synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788138A (en) * | 2012-08-20 | 2012-11-21 | 中国重汽集团济南动力有限公司 | Twelve-gear speed changer of double-intermediate-shaft full-synchronizer |
| CN102808905A (en) * | 2012-08-20 | 2012-12-05 | 中国重汽集团济南动力有限公司 | Dual-middle-shaft all synchromesh ten-gear transmission |
-
2012
- 2012-08-20 CN CN 201220411334 patent/CN202707957U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788138A (en) * | 2012-08-20 | 2012-11-21 | 中国重汽集团济南动力有限公司 | Twelve-gear speed changer of double-intermediate-shaft full-synchronizer |
| CN102808905A (en) * | 2012-08-20 | 2012-12-05 | 中国重汽集团济南动力有限公司 | Dual-middle-shaft all synchromesh ten-gear transmission |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20200820 |