CN204041891U - A kind of twin countershaft transmission - Google Patents
A kind of twin countershaft transmission Download PDFInfo
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- CN204041891U CN204041891U CN201420440031.4U CN201420440031U CN204041891U CN 204041891 U CN204041891 U CN 204041891U CN 201420440031 U CN201420440031 U CN 201420440031U CN 204041891 U CN204041891 U CN 204041891U
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Abstract
A kind of twin countershaft transmission, described twin countershaft transmission comprises main tank driving-shaft assembly, the left axle assembly of main tank, the right axle assembly of main tank, auxiliary box output shaft assembly, the left axle assembly of odd-side, the right axle assembly of odd-side and casing; Casing comprises lower box, upper box and auxiliary transmission, upper box and the upper and lower involutory formation main-gear box of lower box; Described lower box and upper box are the structural member of longitudinal section in " C " font, and in its forward and backward two end plates, level is combined with three axle mounting holes, and erection has the left axle assembly of main tank, main tank driving-shaft assembly and the right axle assembly of main tank successively; Auxiliary transmission is combined with at the ear end face of main-gear box; Described auxiliary transmission is the oval tubular of hollow, end face coordinates be covered with auxiliary box's rear cover plate thereafter; The front end-plate of described auxiliary transmission with auxiliary box's rear cover plate is equipped with three the odd-side axle mounting holes corresponding with main tank axle mounting hole, erection has the left axle assembly of odd-side, auxiliary box output shaft assembly and the right axle assembly of odd-side successively.
Description
Technical field
The invention belongs to automotive transmission technical field, be specifically related to a kind of twin countershaft transmission being applicable to heavy-duty car.
Background technique
The heavy-duty car deadweight used at present is very large, and generally heavy-duty car Deadweight cargo capacity is tens tons, even reaches tens tons, and the road environment that heavy-duty car travels is very complicated, severe.While the development of engine of heavy-duty car high-power, in order to make heavy-duty transmission better with the power match of motor, and meet the requirement such as power performance and climbing of heavy-duty car under full load conditions, gearbox many uses twin countershaft transmission of heavy-duty car.Twin countershaft transmission is divided into main-gear box, auxiliary transmission two parts, and main-gear box part adopts two jack shaft mode to reach the object of power dividing; There are two kinds of shunting modes in auxiliary transmission part: a kind of is adopt the two jack shaft modes identical with main-gear box, and another kind adopts planetary gear train mode.The use of twin countershaft transmission on heavy-duty car, has better met the speed change request of high power engine, makes the drive line of speed changer more steady, improves the working life of speed changer.Although it is effective and feasible that twin countershaft transmission widely uses in heavy-duty car field, a lot of problem is created to the housing structure of twin countershaft transmission.
Particular problem is as follows: two intermediate-shaft speed changing box body structures that (1) adopts at present are complicated.The housing structure of existing twin countershaft transmission is divided into main-gear box body and auxiliary transmission body two parts, but these two parts are one, the housing structure of integral type makes the geared rotor system of the geared rotor system of main-gear box and auxiliary transmission mutually to stagger, and the idle pulley that reverses gear of twin countershaft transmission is directly installed on the box house of main-gear box, the box volume of existing twin countershaft transmission is made to seem very huge.(2) processing and mounting process very complicated.What adopt due to the main-gear box body of existing twin countershaft transmission, auxiliary transmission body is the structure of integral type, and transmission internal complicated structure, this adds increased the difficulty of the processing technology of casing.The casing of integral type also causes the difficulty of mounting process.Current installation method is first by the sub-assembling parts of each transmission shaft integrally, then puts into the inside of casing, install and location very inconvenient, high especially to the skill set requirements of installation personnel.(3) gear train assembly insufficient lubrication.Because the geared rotor system of main-gear box and the geared rotor system of auxiliary transmission have to mutually stagger, so the geared rotor system of the geared rotor system of main-gear box and auxiliary transmission must adopt the arrangement of clinodiagonal, this can not get good lubrication with regard to causing the geared rotor system being in a high position.The utility model devises a kind of twin countershaft transmission, to solve the casing Problems existing of existing twin countershaft transmission.
Model utility content
In order to solve the twin countershaft transmission Problems existing of existing heavy-duty car, the utility model devises a kind of twin countershaft transmission.
A kind of twin countershaft transmission, described twin countershaft transmission comprises main tank driving-shaft assembly, the left axle assembly of main tank 3, the right axle assembly of main tank 10, auxiliary box output shaft assembly 8, the left axle assembly of odd-side 7, the right axle assembly 9 of odd-side and casing; There are the left axle assembly of main tank 3 and the right axle assembly 10 of main tank in the left and right sides of described main tank driving-shaft assembly respectively by gears meshing; The rear end cooperation of described main tank driving-shaft assembly is provided with auxiliary box output shaft assembly 8; There are the left axle assembly of odd-side 7 and the right axle assembly 9 of odd-side in the left and right sides of auxiliary box output shaft assembly 8 respectively by gears meshing;
Described casing comprises lower box 4, upper box 12 and auxiliary transmission body 5, wherein upper box 12 and the involutory formation main-gear box of lower box about 4; Described lower box 4 is the structural member of longitudinal section in " C " font, and in its forward and backward two end plates, level correspondence is provided with three semicircle orifices, is followed successively by nowel left axle semicircle orifice 41, nowel transmission shaft semicircle orifice 42 and the right axle semicircle orifice 43 of nowel; The end face of lower box 4 is connected with upper box 12; Described upper box 12 is the structural member of longitudinal section in " C " font, its forward and backward two end plates is equipped with and lower box 4 semicircle orifice three top box semicircle orifices one to one, is followed successively by top box left axle semicircle orifice 121, top box transmission shaft semicircle orifice 122 and the right axle semicircle orifice 123 of top box;
Described top box left axle semicircle orifice 121 and nowel left axle semicircle orifice 41 fit in the left axle mounting hole of main tank, top box transmission shaft semicircle orifice 122 and nowel transmission shaft semicircle orifice 42 fit in main tank transmission shaft mounting hole, and top box right axle semicircle orifice 123 and nowel right axle semicircle orifice 43 fit in the right axle mounting hole of main tank;
On the main tank axle mounting hole that described cooperation is formed, erection has the right axle assembly 10 of the left axle assembly of main tank 3, main tank driving-shaft assembly and main tank successively; Auxiliary transmission body 5 is connected with at the ear end face of main-gear box;
The oval tubular of described auxiliary transmission body 5 in hollow, end face coordinates be covered with auxiliary box's rear cover plate 6 thereafter; The front end-plate of described auxiliary transmission 5 and auxiliary box's rear cover plate 6 are equipped with and main tank axle mounting hole three odd-side axle mounting holes one to one, are followed successively by odd-side left axle mounting hole 51, auxiliary box output shaft mounting hole 52 and the right axle mounting hole 53 of odd-side; Described three odd-side axle mounting holes have set up the right axle assembly 9 of the left axle assembly of odd-side 7, auxiliary box output shaft assembly 8 and odd-side successively.
The axle that the right axle assembly 9 of the left axle assembly of described main tank 3, main tank driving-shaft assembly, the right axle assembly of main tank 10, the left axle assembly of odd-side 7, auxiliary box output shaft assembly 8 and odd-side is formed is horizontal arrangement.
Main tank driving-shaft assembly is made up of main tank input shaft assembly 1 and main tank output shaft assembly 2; Described main tank input shaft assembly 1 is fixed on the main tank transmission shaft mounting hole of lower box 4 front end-plate by bearing and bearing fastener 13, coordinates and be provided with main tank output shaft assembly 2 in the sleeve pipe of its other end; The external part of described main tank output shaft assembly 2 is fixed on the main tank transmission shaft mounting hole of lower box 4 end plate by bearing and bearing (ball) cover.
Described upper box 12 is equipped with bolt hole with the connection edge at the left and right two ends of lower box 4, and upper box 12 and lower box 4 are bolted and are assembled into main-gear box body.
The edge of the rear and front end of described auxiliary transmission body 5 is equipped with stud; Auxiliary transmission body 5 is fixedly connected with main-gear box by the stud of front-end face, and auxiliary transmission body 5 is fixedly connected with auxiliary box's rear cover plate 6 by the stud of rear end.
Described upper box 12 left part offers upper idler mounting hole 22, and is provided with top box reverse idler gear assembly 11 by bolt on upper idler mounting hole 22; Described lower box 4 right part offers lower idle pulley mounting hole 23, and is provided with nowel reverse idler gear assembly 14 by bolt on lower idle pulley mounting hole 23; Described upper idler mounting hole 22 is equipped with sealing gasket 21 with the joint of top box reverse idler gear assembly 11 and the joint of lower idle pulley mounting hole 23 and nowel reverse idler gear assembly 14.
Described top box reverse idler gear assembly 11 is identical with the structure of nowel reverse idler gear assembly 14; Described top box reverse idler gear assembly 11 is made up of the idler support 15 that reverses gear, elastic washer 16, the idler shaft 17 that reverses gear, locking nut 18, needle bearing 19, reverse gear idle pulley 20 and sealing gasket 21; The mounting plate bottom surface of the described idler support 15 that reverses gear longitudinally is provided with the connecting plate be parallel to each other for a pair; The underpart transverse strands of described a pair connecting plate is provided with the idler shaft 17 that reverses gear, and the idler shaft 17 that reverses gear is fixedly mounted on reverse idler gear support 15 by two locking nuts 18 and elastic washer 16; The described idler shaft 17 that reverses gear excessively is combined with needle bearing 19, the idle pulley 20 and the outer ring interference fit of needle bearing 19 is reversed gear.
The idle pulley 20 that reverses gear of described top box reverse idler gear assembly 11 engages with the reverse gear driving wheel on the left axle assembly 3 of main tank and the reverse gear follower on main tank output shaft assembly 2 simultaneously; The idle pulley that reverses gear of described nowel reverse idler gear assembly 14 engages with the reverse gear driving wheel on the right axle assembly 10 of main tank and the reverse gear follower on main tank output shaft assembly 2 simultaneously.
Advantageous Effects of the present utility model:
(1) the utility model adopts the patten's design gearbox casing of assembling, makes the installation and removal of speed changer very convenient;
(2) the utility model adopts the idle pulley assembly that reverses gear to carry out installation location from the outside of casing, and the geared rotor system of main tank and odd-side all adopts the mode of horizontal arrangement, optimizes the internal structure of casing, reduces the volume of casing, improves the utilization ratio in space;
(3) the utility model makes the structure of gearbox compacter, is easy to manufacture and processing, and is convenient to assembling and maintenance, improves working efficiency.
Accompanying drawing explanation
Fig. 1 is three-dimensional exploded perspective view of the present utility model.
Fig. 2 is the internal structure schematic diagram that the utility model coordinates with twin countershaft transmission.
Fig. 3 is front view of the present utility model.
Fig. 4 is main tank lower box structural representation of the present utility model.
Fig. 5 is main tank upper box structure schematic diagram of the present utility model.
Fig. 6 is reverse idler gear assembly structure schematic diagram of the present utility model.
Fig. 7 is Fig. 6 Longitudinal cross section schematic.
Fig. 8 is the utility model auxiliary transmission body structure schematic diagram.
Sequence number in upper figure: main tank input shaft assembly 1, main tank output shaft assembly 2, the left axle assembly 3 of main tank, lower box 4, the left axle semicircle orifice 41 of nowel, nowel transmission shaft semicircle orifice 42, the right axle semicircle orifice 43 of nowel, auxiliary transmission body 5, the left axle mounting hole 51 of odd-side, auxiliary box output shaft mounting hole 52, the right axle mounting hole 53 of odd-side, auxiliary box's rear cover 6, the left axle assembly 7 of odd-side, auxiliary box output shaft assembly 8, the right axle assembly 9 of odd-side, the right axle assembly 10 of main tank, top box reverse idler gear assembly 11, upper box 12, the left axle semicircle orifice 121 of top box, top box transmission shaft semicircle orifice 122, the right axle semicircle orifice 123 of top box, bearing fastener 13, nowel reverse idler gear assembly 14, reverse gear idler support 15, elastic washer 16, reverse gear idler shaft 17, locking nut 18, needle bearing 19, reverse gear idle pulley 20, sealing gasket 21, upper idler mounting hole 22, lower idle pulley mounting hole 23.
Embodiment
See Fig. 2, a kind of twin countershaft transmission, described twin countershaft transmission comprises main tank driving-shaft assembly, the left axle assembly of main tank 3, the right axle assembly of main tank 10, auxiliary box output shaft assembly 8, the left axle assembly of odd-side 7, the right axle assembly 9 of odd-side and casing; There are the left axle assembly of main tank 3 and the right axle assembly 10 of main tank in the left and right sides of described main tank driving-shaft assembly respectively by gears meshing; The rear end cooperation of described main tank driving-shaft assembly is provided with auxiliary box output shaft assembly 8; There are the left axle assembly of odd-side 7 and the right axle assembly 9 of odd-side in the left and right sides of auxiliary box output shaft assembly 8 respectively by gears meshing;
See Fig. 1,3, described casing comprises lower box 4, upper box 12 and auxiliary transmission body 5, wherein upper box 12 and the involutory formation main-gear box of lower box about 4; See Fig. 4, described lower box 4 is the structural member of longitudinal section in " C " font, and in its forward and backward two end plates, level correspondence is provided with three semicircle orifices, is followed successively by nowel left axle semicircle orifice 41, nowel transmission shaft semicircle orifice 42 and the right axle semicircle orifice 43 of nowel; The end face of lower box 4 is connected with upper box 12; See Fig. 5, described upper box 12 is the structural member of longitudinal section in " C " font, its forward and backward two end plates is equipped with and lower box 4 semicircle orifice three top box semicircle orifices one to one, is followed successively by top box left axle semicircle orifice 121, top box transmission shaft semicircle orifice 122 and the right axle semicircle orifice 123 of top box;
Described top box left axle semicircle orifice 121 and nowel left axle semicircle orifice 41 fit in the left axle mounting hole of main tank, top box transmission shaft semicircle orifice 122 and nowel transmission shaft semicircle orifice 42 fit in main tank transmission shaft mounting hole, and top box right axle semicircle orifice 123 and nowel right axle semicircle orifice 43 fit in the right axle mounting hole of main tank;
On the main tank axle mounting hole that described cooperation is formed, erection has the right axle assembly 10 of the left axle assembly of main tank 3, main tank driving-shaft assembly and main tank successively; Auxiliary transmission body 5 is connected with at the ear end face of main-gear box;
See Fig. 8, the oval tubular of described auxiliary transmission body 5 in hollow, end face coordinates be covered with auxiliary box's rear cover plate 6 thereafter; The front end-plate of described auxiliary transmission body 5 and auxiliary box's rear cover plate 6 are equipped with and main tank axle mounting hole three odd-side axle mounting holes one to one, are followed successively by odd-side left axle mounting hole 51, auxiliary box output shaft mounting hole 52 and the right axle mounting hole 53 of odd-side; Described three odd-side axle mounting holes have set up the right axle assembly 9 of the left axle assembly of odd-side 7, auxiliary box output shaft assembly 8 and odd-side successively.
The axle that the right axle assembly 9 of the left axle assembly of described main tank 3, main tank driving-shaft assembly, the right axle assembly of main tank 10, the left axle assembly of odd-side 7, auxiliary box output shaft assembly 8 and odd-side is formed is horizontal arrangement.
Main tank driving-shaft assembly is made up of main tank input shaft assembly 1 and main tank output shaft assembly 2; Described main tank input shaft assembly 1 is fixed on the main tank transmission shaft mounting hole of lower box 4 front end-plate by bearing and bearing fastener 13, coordinates and be provided with main tank output shaft assembly 2 in the sleeve pipe of its other end; The external part of described main tank output shaft assembly 2 is fixed on the main tank transmission shaft mounting hole of lower box 4 end plate by bearing and bearing (ball) cover.
Described upper box 12 is equipped with bolt hole with the connection edge at the left and right two ends of lower box 4, and upper box 12 and lower box 4 are bolted and are assembled into main-gear box body.
The edge of the rear and front end of described auxiliary transmission body 5 is equipped with stud; Auxiliary transmission body 5 is fixedly connected with main-gear box by the stud of front-end face, and auxiliary transmission body 5 is fixedly connected with auxiliary box's rear cover plate 6 by the stud of rear end.
Described upper box 12 left part offers upper idler mounting hole 22, and is provided with top box reverse idler gear assembly 11 by bolt on upper idler mounting hole 22; Described lower box 4 right part offers lower idle pulley mounting hole 23, and is provided with nowel reverse idler gear assembly 14 by bolt on lower idle pulley mounting hole 23; Described upper idler mounting hole 22 is equipped with sealing gasket 21 with the joint of top box reverse idler gear assembly 11 and the joint of lower idle pulley mounting hole 23 and nowel reverse idler gear assembly 14.
See Fig. 6,7, described top box reverse idler gear assembly 11 is identical with the structure of nowel reverse idler gear assembly 14; Described top box reverse idler gear assembly 11 is made up of the idler support 15 that reverses gear, elastic washer 16, the idler shaft 17 that reverses gear, locking nut 18, needle bearing 19, reverse gear idle pulley 20 and sealing gasket 21; The mounting plate bottom surface of the described idler support 15 that reverses gear longitudinally is provided with the connecting plate be parallel to each other for a pair; The underpart transverse strands of described a pair connecting plate is provided with the idler shaft 17 that reverses gear, and the idler shaft 17 that reverses gear is fixedly mounted on reverse idler gear support 15 by two locking nuts 18 and elastic washer 16; The described idler shaft 17 that reverses gear excessively is combined with needle bearing 19, the idle pulley 20 and the outer ring interference fit of needle bearing 19 is reversed gear.
The idle pulley 20 that reverses gear of described top box reverse idler gear assembly 11 engages with the reverse gear driving wheel on the left axle assembly 3 of main tank and the reverse gear follower on main tank output shaft assembly 2 simultaneously; The idle pulley that reverses gear of described nowel reverse idler gear assembly 14 engages with the reverse gear driving wheel on the right axle assembly 10 of main tank and the reverse gear follower on main tank output shaft assembly 2 simultaneously.
Claims (8)
1. a twin countershaft transmission, described twin countershaft transmission comprises main tank driving-shaft assembly, the left axle assembly of main tank (3), the right axle assembly of main tank (10), auxiliary box output shaft assembly (8), the left axle assembly of odd-side (7), the right axle assembly of odd-side (9) and casing; There are the left axle assembly of main tank (3) and the right axle assembly of main tank (10) in the left and right sides of described main tank driving-shaft assembly respectively by gears meshing; The rear end cooperation of described main tank driving-shaft assembly is provided with auxiliary box output shaft assembly (8); There are the left axle assembly of odd-side (7) and the right axle assembly of odd-side (9) in the left and right sides of auxiliary box output shaft assembly (8) respectively by gears meshing;
It is characterized in that: described casing comprises lower box (4), upper box (12) and auxiliary transmission body (5), wherein upper box (12) and the upper and lower involutory formation main-gear box of lower box (4); Described lower box (4) is the structural member of longitudinal section in " C " font, in its forward and backward two end plates, level correspondence is provided with three semicircle orifices, is followed successively by the right axle semicircle orifice (43) of nowel left axle semicircle orifice (41), nowel transmission shaft semicircle orifice (42) and nowel; The end face of lower box (4) is connected with upper box (12); Described upper box (12) is the structural member of longitudinal section in " C " font, its forward and backward two end plates is equipped with and lower box (4) semicircle orifice three top box semicircle orifices one to one, is followed successively by the right axle semicircle orifice (123) of top box left axle semicircle orifice (121), top box transmission shaft semicircle orifice (122) and top box;
Described top box left axle semicircle orifice (121) and nowel left axle semicircle orifice (41) fit in the left axle mounting hole of main tank, top box transmission shaft semicircle orifice (122) and nowel transmission shaft semicircle orifice (42) fit in main tank transmission shaft mounting hole, and top box right axle semicircle orifice (123) and nowel right axle semicircle orifice (43) fit in the right axle mounting hole of main tank;
On the main tank axle mounting hole that described cooperation is formed, erection has the left axle assembly of main tank (3), main tank driving-shaft assembly and the right axle assembly of main tank (10) successively; Auxiliary transmission body (5) is connected with at the ear end face of main-gear box; The oval tubular of described auxiliary transmission body (5) in hollow, end face coordinates be covered with auxiliary box's rear cover plate (6) thereafter; The front end-plate of described auxiliary transmission (5) and auxiliary box's rear cover plate (6) are equipped with and main tank axle mounting hole three odd-side axle mounting holes one to one, are followed successively by the right axle mounting hole (53) of odd-side left axle mounting hole (51), auxiliary box output shaft mounting hole (52) and odd-side; Described three odd-side axle mounting holes have set up the left axle assembly of odd-side (7), auxiliary box output shaft assembly (8) and the right axle assembly of odd-side (9) successively.
2. a kind of twin countershaft transmission according to claim 1, is characterized in that: the axle that the left axle assembly of described main tank (3), main tank driving-shaft assembly, the right axle assembly of main tank (10), the left axle assembly of odd-side (7), auxiliary box output shaft assembly (8) and the right axle assembly of odd-side (9) are formed is horizontal arrangement.
3. a kind of twin countershaft transmission according to claim 1, is characterized in that: main tank driving-shaft assembly is made up of main tank input shaft assembly (1) and main tank output shaft assembly (2); Described main tank input shaft assembly (1) is fixed on the main tank transmission shaft mounting hole of lower box (4) front end-plate by bearing and bearing fastener (13), coordinates and be provided with main tank output shaft assembly (2) in the sleeve pipe of its other end; The external part of described main tank output shaft assembly (2) is fixed on the main tank transmission shaft mounting hole of lower box (4) end plate by bearing and bearing (ball) cover.
4. a kind of twin countershaft transmission according to claim 1, it is characterized in that: the connection edge at described upper box (12) and lower box (4) left and right two ends is equipped with bolt hole, and upper box (12) and lower box (4) are bolted and are assembled into main-gear box body.
5. a kind of twin countershaft transmission according to claim 1 or 4, is characterized in that: the edge of the rear and front end of described auxiliary transmission body (5) is equipped with stud; Auxiliary transmission body (5) is fixedly connected with main-gear box by the stud of front-end face, and auxiliary transmission body (5) is fixedly connected with auxiliary box's rear cover plate (6) by the stud of rear end.
6. a kind of twin countershaft transmission according to claim 1, it is characterized in that: described upper box (12) left part offers upper idler mounting hole (22), and by bolt, top box reverse idler gear assembly (11) is installed on upper idler mounting hole (22); Described lower box (4) right part offers lower idle pulley mounting hole (23), and is provided with nowel reverse idler gear assembly (14) by bolt on lower idle pulley mounting hole (23); Described upper idler mounting hole (22) is equipped with sealing gasket (21) with the joint of top box reverse idler gear assembly (11) and the joint of lower idle pulley mounting hole (23) and nowel reverse idler gear assembly (14).
7. a kind of twin countershaft transmission according to claim 1 or 6, is characterized in that: described top box reverse idler gear assembly (11) is identical with the structure of nowel reverse idler gear assembly (14); Described top box reverse idler gear assembly (11) is made up of the idler support that reverses gear (15), elastic washer (16), the idler shaft that reverses gear (17), locking nut (18), needle bearing (19), the idle pulley that reverses gear (20) and sealing gasket (21); The mounting plate bottom surface of the described idler support that reverses gear (15) is longitudinally provided with the connecting plate be parallel to each other for a pair; The underpart transverse strands of described a pair connecting plate is provided with the idler shaft that reverses gear (17), and the idler shaft that reverses gear (17) is fixedly mounted on reverse idler gear support (15) by two locking nuts (18) and elastic washer (16); The described idler shaft that reverses gear (17) is excessively combined with needle bearing (19), the idle pulley (20) and the outer ring interference fit of needle bearing (19) is reversed gear.
8. a kind of twin countershaft transmission according to claim 7, is characterized in that: the idle pulley that reverses gear (20) of described top box reverse idler gear assembly (11) engages with the reverse gear follower on the reverse gear driving wheel on the left axle assembly of main tank (3) and main tank output shaft assembly (2) simultaneously; The idle pulley that reverses gear of described nowel reverse idler gear assembly (14) engages with the reverse gear follower on the reverse gear driving wheel on the right axle assembly of main tank (10) and main tank output shaft assembly (2) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440031.4U CN204041891U (en) | 2014-08-06 | 2014-08-06 | A kind of twin countershaft transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440031.4U CN204041891U (en) | 2014-08-06 | 2014-08-06 | A kind of twin countershaft transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041891U true CN204041891U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420440031.4U Expired - Fee Related CN204041891U (en) | 2014-08-06 | 2014-08-06 | A kind of twin countershaft transmission |
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| Country | Link |
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| CN (1) | CN204041891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584776A (en) * | 2015-01-31 | 2015-05-06 | 闫论 | Rolling brush type small berry picking device |
| CN106382355A (en) * | 2016-12-06 | 2017-02-08 | 丹阳荣嘉精密机械有限公司 | Right transmission housing for automobile |
-
2014
- 2014-08-06 CN CN201420440031.4U patent/CN204041891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584776A (en) * | 2015-01-31 | 2015-05-06 | 闫论 | Rolling brush type small berry picking device |
| CN106382355A (en) * | 2016-12-06 | 2017-02-08 | 丹阳荣嘉精密机械有限公司 | Right transmission housing for automobile |
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| Date | Code | Title | Description |
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| 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: 20141224 Termination date: 20200806 |