CN204647172U - A kind of seven grades of single case three countershaft transmissions - Google Patents
A kind of seven grades of single case three countershaft transmissions Download PDFInfo
- Publication number
- CN204647172U CN204647172U CN201520172893.8U CN201520172893U CN204647172U CN 204647172 U CN204647172 U CN 204647172U CN 201520172893 U CN201520172893 U CN 201520172893U CN 204647172 U CN204647172 U CN 204647172U
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- main shaft
- grades
- countershaft
- 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.)
- Active
Links
Landscapes
- General Details Of Gearings (AREA)
Abstract
A kind of seven grades of single case three countershaft transmissions of the utility model, comprise: case of transmission, in its case of transmission, comprise coaxially arranged input shaft and main shaft, around three jack shafts that main shaft is uniform, input gear, with control system and the forced lubricating system of interlocking mechanism built; Described input gear is connected with input shaft by spline, and often engages with three jack shaft front end driving gears; Described main shaft is set with multiple mainshaft gear, and the countershaft-gear that mainshaft gear is corresponding with on three jack shafts respectively often engages; Gearshift sliding sleeve is provided with between mainshaft gear; Control system controls to straddle the selector fork on sliding sleeve, drives gearshift sliding sleeve to engage from different gear mainshaft gear.The utility model input torque is 2600Nm, can be matched with 100t level mine car, and has that bearing capacity is high, the feature of compact structure, failure rate is low, can adapt to the mine car market demand day by day maximized.
Description
Technical field
The utility model belongs to transmission technology field, particularly a kind of seven grades of single case three countershaft transmissions.
Background technique
Along with big-and-middle-sized ore deposit enterprise drops into improve environmental protection, safety in production, ore deposit enterprise equipment purchasing cost proportion declines, and adds the human cost day by day increased, and it is following development trend that mining equipment maximizes.And adopt the cost of external main equipment too expensive.It is 70t level that current domestic most large-scale mine car is fully loaded with complete vehicle quality, has been proposed the twin countershaft transmission that input torque is 1800Nm for this reason, and has obtained good Market Feedback.But for the mine car of larger level, need that bearing capacity is higher, the speed changer of failure rate is low adapts to the mine car market demand that day by day maximizes, this problem has to be solved.
Model utility content
For problems of the prior art, the utility model provides seven grades of single case three countershaft transmissions, and input torque is 2600Nm, can be matched with 100t level mine car, and has that bearing capacity is high, the feature of compact structure, failure rate is low.
The utility model is achieved through the following technical solutions:
A kind of seven grades of single case three countershaft transmissions, comprising: case of transmission, comprise coaxially arranged input shaft and main shaft in it, around three jack shafts that main shaft is uniform, input gear, with control system and the forced lubricating system of interlocking mechanism built;
Described input gear is connected with input shaft by spline, and the driving gear corresponding with three jack shaft front ends often engages;
Described main shaft is set with multiple mainshaft gear, and the countershaft-gear that multiple mainshaft gear is corresponding with on three jack shafts respectively often engages; Gearshift sliding sleeve is provided with between mainshaft gear; Described gearshift sliding sleeve is often connected with main shaft by internal spline, is connected with the mainshaft gear selectivity of its both sides by external splines; Control system controls to straddle the selector fork on sliding sleeve, drives gearshift sliding sleeve to engage from different gear mainshaft gear.
As further improvement of the utility model, described main shaft is set with seven mainshaft gears, is respectively six to one grades and reverse gear by front end to rear end, the countershaft-gear that each mainshaft gear is corresponding with on jack shaft respectively often engages.
As further improvement of the utility model, described gearshift sliding sleeve is four, be separately positioned on main shaft six or seven, four or five, two or three, fall between one grade of gear.
As further improvement of the utility model, described rear-end of spindle arranges output flange, and the output terminal of output flange installs Parking Brake.
As further improvement of the utility model, described jack shaft is by jack shaft before spline joint and rear intermediate shaft two sections composition, and countershaft-gear interference is connected on front jack shaft.Described main shaft is by being bearing in input shaft rear end without cup roller bearing.
As further improvement of the utility model, described forced lubricating system comprises and is arranged on speed changer rear end upper part of the cover gear oil pump and diverter valve, and is arranged on mouth of pumping bottom case of transmission; Gear pump one end is connected with oil pumping mouth, and the other end is connected with diverter valve by external oil pipe; Oil circuit is divided into some branch roads and is communicated with the lubricant pipe of speed changer inside by diverter valve, and described lubricant pipe all has multiple oilhole in the joint of input shaft, main shaft, jack shaft, input gear, countershaft-gear, mainshaft gear, control system, output flange.
As further improvement of the utility model, oil circuit is divided into four tunnels by described diverter valve, is communicated with respectively by the lubricant pipe of B, C, D, E mouth with speed changer inside, and described B, C, D, E mouth is all arranged on speed changer rear end cover.
As further improvement of the utility model, described B mouth is connected with the first lubricant pipe, and the oilhole on the first lubricant pipe is arranged on bearing and the first reverse gear to place, by lubricant oil by oilhole splash to bearing and the first reverse gear pair; Described D mouth is connected with the 4th lubricant pipe, and the oilhole on the 4th lubricant pipe is arranged on lubricating bearings and the second reverse gear to place, lubricating bearings and the second reverse gear pair; E mouth is connected with the second lubricant pipe, oilhole on second lubricant pipe is arranged on the first gear mesh place between main shaft and the second jack shaft, second lubricant pipe is all communicated with oil duct on speed changer rear end cover with oil duct on case of transmission front end oil duct, speed changer front cover and oil pocket, invades lubricating bearing, the first gear mesh between main shaft and the second jack shaft; Described C mouth is connected with the 3rd lubricant pipe, and the oilhole on the 3rd lubricant pipe is arranged on the second gear mesh place between main shaft and the 3rd jack shaft, and identical with the Placement of lubricant pipe.
As further improvement of the utility model, the two ends of described lubricant pipe are bearing on speed changer rear end cover and case of transmission respectively, and the oil pipe that described diverter valve is communicated with B, C, D, E mouth is all arranged on speed changer outside.
As further improvement of the utility model, described oilhole becomes divergent shape to distribute on lubricant pipe.
Compared with prior art, the utility model has following useful technique effect:
A kind of seven grades of single case three countershaft transmissions of the utility model, input torque is 2600Nm, can be matched with 100t level mine car, and has that bearing capacity is high, the feature of compact structure, failure rate is low.The application of this model utility can adapt to the mine car market demand day by day maximized.1. high bearing capacity: if do not consider unbalance loading, the theoretical bearing capacity of three countershaft transmissions is 1.5 times of two jack shaft; If consideration unbalance loading, mainshaft gear empty set, on main shaft, can be floated among a small circle, and three jack shafts have self contering function, under identical manufacture, assembly condition, its uniform load situation is better than two jack shaft, therefore the average bearing capacity of its single jack shaft is also better than twin countershaft transmission.2. compact structure: described model utility than aforementioned 1800Nm twin countershaft transmission only on height and the width direction slightly larger than the latter, and avoid twin countershaft transmission under same load by adding axial dimension that wide gear causes and increase and increase by strengthening size in short transverse that centre distance causes, be conducive to car load coupling.3. failure rate is low: mine car operating mode is poor, described model utility adopts single box structure, has effectively avoided the force status that in major-minor case structure, odd-side is severe; To shift gears, sliding sleeve replaces synchronizer, decreases fault point, meets the work characteristics that mine car reliability is better than travelling comfort; And FCL forces cooling, comprehensively lubrication system to reduce further fault rate.
Further, four corresponding gearshift sliding sleeves are set by the operating frequency between 7 different gears, ensure, on engage a gear reliability and the basis in life-span, to improve the convenience of use, the useful space of housing can be made full use of simultaneously; Again for the reduction of entire length provides condition.
Further, jack shaft is made up of jack shaft before spline joint and rear intermediate shaft two sections, and vibrational power flow is reasonable, achieves the design of complicated stable connection gearshift in single case.
Further, by oil pumping mouth, the oil bottom speed changer is made full use of, utilize diverter valve that can oil circuit quantity and position be set according to actual needs, by inside and outside portion oil pipe lubricant oil is guided to and allly needs lubricating component, the all rotary components of speed changer can be lubricated comprehensively, improve speed changer working life and service behaviour.Improve the lubricating condition of high pulling torque three countershaft transmission, be mainly used in the big machinery speed changer that other is more away from pasta parts, splash lubrication does not reach good lubrication effect, to improve working life and the service behaviour of speed changer.
Further, can auxiliary gear box heat radiation.Be arranged on the oil pipe of speed changer outside by many, strengthen the heat exchange between speed changer inside and external environmemt, be beneficial to speed changer heat radiation, ensure that the performance of oil product, thus improve the component working such as bearing, gear condition.
Accompanying drawing explanation
Fig. 1 model utility seven grades single case three countershaft transmission internal structure is illustrated.
Fig. 2 speed changer rear end structure is illustrated.
Fig. 3 speed changer internal lubricating system schematic top plan view.
Wherein, 1, input shaft, 2, without cup roller bearing, 3, input gear, 4, driving gear, 5, countershaft-gear, 6, front jack shaft, 7, mainshaft gear, 8, main shaft, rear intermediate shaft 9, , output flange 10, , 11, selector fork, 12, gearshift sliding sleeve, 13, control system, 14, band filter screen joint, 15, input oil pipe, 16, gear oil pump, 17, diverter valve, 18, speed changer rear end cover, 19, 20, 21 are respectively first, second, 3rd jack shaft, 22, upper oil duct, 23, first reverse gear pair, 24, 26, 31, 33, be respectively first, second, 3rd, 4th lubricant pipe, 25, first gear mesh, 27, oil pocket, 28, front end oil duct, 29, speed changer front cover, 30, case of transmission, 32, second gear mesh, 34, second reverse gear pair, A, B, C, D, E is oil circuit mouth, a, b, c, d, e, f, g, h is bearing.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, described in be to explanation of the present utility model instead of restriction.
As Fig. 1 shows, single case three countershaft transmission of the utility model seven grades, include in its casing 30 coaxial before and after arrange input shaft 1, main shaft 8, around main shaft 8 center to major impetus transmitting assemblies such as three jack shafts becoming to arrange and output flanges 10.Input gear 3, is often engaged with three jack shaft leading portion driving gears 4 by spline joint on input shaft 1; Main shaft 8, by being bearing in input shaft 1 rear end without cup roller bearing 2, it being set with mainshaft gear 7, often engaging respectively with corresponding countershaft-gear 5 on three jack shafts; Jack shaft divides front jack shaft 6, rear intermediate shaft 9 two sections, between with spline joint, countershaft-gear 5 interference is connected on front jack shaft 6; Output flange 10 by spline joint in main shaft 8 rear end.Four gearshift sliding sleeves 12 are provided with between mainshaft gear 7, often be connected with main shaft 8 by internal spline, be connected with mainshaft gear 7 selectivity of its both sides by external splines, control by the control system 13 with interlocking mechanism built the selector fork 11 straddled on sliding sleeve 12 and drive sliding sleeve 12 to engage from different gear mainshaft gear 7.
Concrete, input shaft 1 has input gear 3 by spline joint, with jack shaft foremost gear 4 often engage; Main shaft 8 is set with seven mainshaft gears 7, end is respectively six to one grades, reverse gear from front to back, and the gear 5 that each mainshaft gear 7 is corresponding with on jack shaft respectively often engages; Jack shaft divides two sections, between be bearing on case of transmission with spline joint by bearing, the interference of each shelves gear 5 is connected on jack shaft 6.Main shaft six or seven, four or five, two or three, fall between one grade of gear to be respectively arranged with gearshift sliding sleeve 12, often be connected with main shaft 8 by internal spline, be connected with the timesharing of each sliding sleeve two side gear by external splines, controlling by the control system 13 with interlocking mechanism built the selector fork 11 straddled on gearshift sliding sleeve 12 drives sliding sleeve 12 to engage from different shifting gear 7, realizes the power transmission under each gear, different speed ratio condition.
As Fig. 2 shows, case of transmission rear end is provided with forces cooling, lubrication system, and jack shaft 19 part is immersed in below pasta, and other two jack shafts and associated components, all away from pasta, need pressure lubrication.The A mouth of gear oil pump 16 and diverter valve 17 is installed on speed changer rear end cover 18 top, oil pumping mouth 14 is installed bottom case of transmission.Bottom speed changer, lubricant oil is pumped into diverter valve 17 by external oil pipe 15 by gear pump, oil circuit is divided into four tunnels to be delivered to speed changer inside respectively by B, C, D, E mouth by diverter valve 17, is guided to all high-speed rotary part places by internal oil pipe.Rear intermediate shaft 9 rear end is connected with gear oil pump 16 by singly-bound, and pump in diverter valve 17 by input oil pipe 15, band filter screen joint 14 by lubricant oil bottom speed changer, diverter valve 17 exports four road lubricant oil, is guided to all rotary components by internal oil pipe.The oil pipe that diverter valve 17 is communicated with B, C, D, E mouth is all arranged on speed changer outside.Be arranged on the oil pipe of speed changer outside by many, strengthen the heat exchange between speed changer inside and external environmemt, be beneficial to speed changer heat radiation, ensure that the performance of oil product, thus improve the component working such as bearing, gear condition.
As Fig. 3 shows, lubricant pipe two supports on speed changer rear end cover and case of transmission, according to needing lubricating component position and angle to have oilhole on it.Described B mouth is connected with lubricant pipe 24, and the oilhole on lubricant pipe 24 is arranged on bearing and reverse gear to 23 places, the corresponding lubricant pipe of B mouth, by lubricant oil by oilhole splash to bearing and reverse gear pair, described D mouth is connected with lubricant pipe 33, and the oilhole on lubricant pipe 33 is arranged on lubricating bearings and reverse gear to 34 places, the corresponding lubricant pipe 33 of D mouth, lubricating bearings and reverse gear pair, E mouth is connected with lubricant pipe 26, oilhole on lubricant pipe 26 is arranged on gear mesh 25 place between main shaft 8 and jack shaft 20, lubricant pipe 26 and case of transmission 30 front end oil duct 28, on speed changer front cover 29, oil duct and oil pocket 27 are all communicated with oil duct 22 on speed changer rear end cover 18, lubricant oil in its pipe can invade lubricating bearing, the corresponding lubricant pipe 26 of E mouth, by the gear mesh between corresponding position oilhole lubricating spindle 8 and jack shaft, by case of transmission front end oil duct lubricating bearings, by oil duct on speed changer front cover and oil pocket lubricating bearings, by oil duct lubricating bearings on speed changer rear end cover, described C mouth is connected with lubricant pipe 31, and the oilhole on lubricant pipe 31 is arranged on gear mesh 32 place between main shaft 8 and jack shaft 21, and identical with the Placement of lubricant pipe 26, and the lubricant oil in its pipe can invade lubricating bearing.The corresponding lubricant pipe of C mouth, the gear mesh in the same way between lubricating spindle 8 and jack shaft and bearing.
Its working procedure is as follows: power is inputted by input shaft 1, jack shaft driving gear 4 is driven by input gear 3, thus drive front jack shaft 6 and rear intermediate shaft 9, transmission of power is given and its mainshaft gear 7 often engaged by countershaft-gear 5 and axle tooth by jack shaft, mainshaft gear 7 empty set is on main shaft 8, gearshift sliding sleeve 12 is driven to be coupled together, eventually through being connected to the output flange 10 of rear-end of spindle by the Power output of different gear, different speed ratio with main shaft 8 by different mainshaft gears 7 by the Effector 13 with mutual interlocking gear by selector fork 11.In the process, lubricant oil bottom speed changer is constantly pumped into each rotary component place by diverter valve 17 by gear pump 16.
Pressure lubrication working procedure is as follows, and from oil pumping mouth 14, lubricant oil is pumped into diverter valve 17 by external oil pipe 15, oil circuit is split into four tunnels by diverter valve 17, is delivered to each lubricant pipe respectively by external oil pipe.Lubricant pipe is installed on speed changer inside, and two ends are supported on speed changer bonnet 18 respectively with on case of transmission 30, and according to needing lubricating component position, angle to have multiple aperture on lubricant pipe, described oilhole becomes divergent shape to distribute on lubricant pipe.Lubricant oil needs lubricating component place by each oilhole splash to bearing, gear etc., splash lubrication more away from pasta parts is not reached to the big machinery speed changer of good lubrication effect, carries out pressure lubrication, to improve working life and the service behaviour of speed changer.
Claims (10)
1. one kind seven grades single case three countershaft transmissions, it is characterized in that, comprise: case of transmission (30), coaxially arranged input shaft (1) and main shaft (8) is comprised in it, around three jack shafts (19,20,21) that main shaft (8) is uniform, input gear (3), with control system (13) and the forced lubricating system of interlocking mechanism built;
Described input gear (3) is connected with input shaft (1) by spline, and the driving gear (4) corresponding with three jack shafts (19,20,21) front end often engages;
Described main shaft (8) is set with multiple mainshaft gear (7), multiple mainshaft gear (7) respectively corresponding countershaft-gear (5) upper with three jack shafts (19,20,21) often engages; Gearshift sliding sleeve (12) is provided with between mainshaft gear (7); Described gearshift sliding sleeve (12) is often connected with main shaft (8) by internal spline, is connected with mainshaft gear (7) selectivity of its both sides by external splines; Control system (13) controls to straddle the selector fork (11) on sliding sleeve (12), drives gearshift sliding sleeve (12) to engage from different gear mainshaft gear (7).
2. seven grades of single case three countershaft transmissions according to claim 1, it is characterized in that, described main shaft (8) is set with seven mainshaft gears (7), be respectively six to one grades and reverse gear by front end to rear end, each mainshaft gear (7) respectively corresponding countershaft-gear (5) upper with jack shaft (19,20,21) often engages.
3. seven grades of single case three countershaft transmissions according to claim 2, it is characterized in that, described gearshift sliding sleeve (12) is four, be separately positioned on main shaft six or seven, four or five, two or three, fall between one grade of gear.
4. seven grades of single case three countershaft transmissions according to claim 1, it is characterized in that, described main shaft (8) rear end arranges output flange (10), and the output terminal of output flange (10) installs Parking Brake.
5. seven grades of single case three countershaft transmissions according to claim 1, it is characterized in that, described jack shaft (19,20,21) is by jack shaft before spline joint (6) and rear intermediate shaft (9) two sections composition, and countershaft-gear (5) interference is connected on front jack shaft (6); Described main shaft (8) is by being bearing in input shaft (1) rear end without cup roller bearing (2).
6. seven grades of single case three countershaft transmissions as claimed in any of claims 1 to 5, it is characterized in that, described forced lubricating system comprises the gear oil pump (16) and diverter valve (17) that are arranged on speed changer rear end cover (18) top, and is arranged on case of transmission (30) bottom oil pumping mouth (14); Gear pump (16) one end is connected with oil pumping mouth (14), and the other end is connected with diverter valve (17) by external oil pipe (15); Oil circuit is divided into some branch roads and is communicated with the lubricant pipe of speed changer inside by diverter valve (17), and described lubricant pipe all has multiple oilhole in the joint of input shaft (1), main shaft (8), jack shaft (19,20,21), input gear (3), countershaft-gear (5), mainshaft gear (7), control system (13), output flange (10).
7. seven grades of single case three countershaft transmissions according to claim 6, it is characterized in that, oil circuit is divided into four tunnels by described diverter valve (17), be communicated with the lubricant pipe (24,26,31,33) of speed changer inside respectively by B, C, D, E mouth, described B, C, D, E mouth is all arranged on speed changer rear end cover (18).
8. seven grades of single case three countershaft transmissions according to claim 7, it is characterized in that, described B mouth is connected with the first lubricant pipe (24), oilhole on first lubricant pipe (24) be arranged on bearing (c, d) and the first reverse gear to (23) place, by lubricant oil by oilhole splash to bearing (c, d) and the first reverse gear to (23); Described D mouth is connected with the 4th lubricant pipe (33), oilhole on 4th lubricant pipe (33) be arranged on lubricating bearings (a, h) and the second reverse gear to (34) place, lubricating bearings and the second reverse gear are to (34); E mouth is connected with the second lubricant pipe (26), oilhole on second lubricant pipe (26) is arranged on the first gear mesh (25) place between main shaft (8) and the second jack shaft (20), second lubricant pipe (26) and case of transmission (30) front end oil duct (28), the upper oil duct of speed changer front cover (29) and oil pocket (27) and speed changer rear end cover (18) are gone up oil duct (22) and are all communicated with, and invade lubricating bearing (f, e, the first gear mesh (25) b), between main shaft (8) and the second jack shaft (20); Described C mouth is connected with the 3rd lubricant pipe (31), oilhole on 3rd lubricant pipe (31) is arranged on the second gear mesh (32) place between main shaft (8) and the 3rd jack shaft (21), and identical with the Placement of lubricant pipe (26).
9. seven grades of single case three countershaft transmissions according to claim 7, it is characterized in that, the two ends of described lubricant pipe are bearing on speed changer rear end cover (18) and case of transmission (30) respectively, and the oil pipe that described diverter valve (17) is communicated with B, C, D, E mouth is all arranged on speed changer outside.
10. seven grades of single case three countershaft transmissions according to claim 6, it is characterized in that, described oilhole becomes divergent shape to distribute on lubricant pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172893.8U CN204647172U (en) | 2015-03-25 | 2015-03-25 | A kind of seven grades of single case three countershaft transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172893.8U CN204647172U (en) | 2015-03-25 | 2015-03-25 | A kind of seven grades of single case three countershaft transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647172U true CN204647172U (en) | 2015-09-16 |
Family
ID=54099928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172893.8U Active CN204647172U (en) | 2015-03-25 | 2015-03-25 | A kind of seven grades of single case three countershaft transmissions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728357A (en) * | 2015-03-25 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | Seven-gear single-box three-countershaft transmission |
| CN105422753A (en) * | 2015-12-08 | 2016-03-23 | 黑龙江红兴隆机械制造有限公司 | Coaxial transmission for refitted half track of tractor |
-
2015
- 2015-03-25 CN CN201520172893.8U patent/CN204647172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728357A (en) * | 2015-03-25 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | Seven-gear single-box three-countershaft transmission |
| CN105422753A (en) * | 2015-12-08 | 2016-03-23 | 黑龙江红兴隆机械制造有限公司 | Coaxial transmission for refitted half track of tractor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104728357A (en) | Seven-gear single-box three-countershaft transmission | |
| CN204647253U (en) | A kind of speed changer forced lubricating system | |
| CN103899714A (en) | Five-shift car gearbox | |
| CN202719084U (en) | Final transmission reduction box for high-horsepower tractor | |
| CN204647172U (en) | A kind of seven grades of single case three countershaft transmissions | |
| CN201531579U (en) | Countershaft transmission of engineering machinery | |
| CN204628445U (en) | The wheeled six gear gearboxes of a kind of duplex-gear | |
| CN203836095U (en) | Five-gear automotive transmission | |
| CN203770546U (en) | Seven-gear single-box three-countershaft type transmission | |
| CN205278249U (en) | Mining car derailleur | |
| CN104879452A (en) | Dual-gear type six-gear speed changing box and gear shifting process control method thereof | |
| CN105387149A (en) | Mine car speed changer | |
| CN204512374U (en) | For the auxiliary transmission assembly of tricycle or four-wheel wagon | |
| CN209510947U (en) | A kind of wet clutch unit assembly | |
| CN106015500A (en) | Automatic gearbox for electric vehicle | |
| CN206072259U (en) | The full synchronizer speed variator of the double jackshaft high pulling torques of 12 grades of one kind | |
| CN206555383U (en) | The medium-sized 9 gear gearbox assembly of the double jackshafts of modified | |
| CN102537261B (en) | Double-power output gearbox and vehicle traction power system | |
| CN201925416U (en) | Special speed reducer for molten steel tanker | |
| CN204762244U (en) | Crops combine second gear transmission assembly | |
| CN204420019U (en) | A kind of 12 gear automobile speed changers | |
| CN201348011Y (en) | Clutch gearbox | |
| CN210484585U (en) | Multi-gear transmission with hydraulic control system | |
| CN202441831U (en) | Power shifting gearbox of engineering mechanical vehicle | |
| CN112594346A (en) | 4-gear double-intermediate-shaft wide-speed-ratio new-energy high-speed transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |