CN113147386B - Power takeoff, gearbox and vehicle - Google Patents
Power takeoff, gearbox and vehicle Download PDFInfo
- Publication number
- CN113147386B CN113147386B CN202110355314.3A CN202110355314A CN113147386B CN 113147386 B CN113147386 B CN 113147386B CN 202110355314 A CN202110355314 A CN 202110355314A CN 113147386 B CN113147386 B CN 113147386B
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- shaft
- transmission
- teeth
- power takeoff
- bevel gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/28—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
Abstract
The invention discloses a power takeoff, a gearbox and a vehicle, wherein the power takeoff comprises: the input shaft is provided with an input bevel gear at one end, the other end of the input shaft is provided with external teeth, the direction-adjusting shaft is provided with a direction-adjusting bevel gear, the direction-adjusting bevel gear is in meshing transmission with the input bevel gear, one end of the intermediate shaft is provided with an intermediate bevel gear, the other end of the intermediate shaft is provided with first shaft end teeth, the intermediate bevel gear is in meshing engagement with the direction-adjusting bevel gear, the sliding sleeve is provided with internal teeth and second shaft end teeth, and the sliding sleeve can slide among a first position, a second position and a third position. Like this, through the drive mode that will let between power takeoff control input shaft and the output shaft for the rotation direction between output shaft and the input shaft is the same or opposite, thereby lets the power takeoff can carry out transmission control to the structure that the difference turned to, thereby lets the power takeoff can transmit multiple structure, promotes the environment suitability of power takeoff, makes the use of power takeoff more simple and convenient.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a power takeoff, a gearbox and a vehicle.
Background
In prior art, the gearbox needs to use the power takeoff will be with the operation of control mechanical structure, like oil pump or air pump, these mechanisms can not necessarily have the same and turn to for the power takeoff can not match the operation to these mechanisms, thereby need change the power takeoff when letting these mechanisms use, thereby the use of power takeoff is comparatively troublesome, reduces the performance of gearbox.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the invention to provide a power take-off of a gearbox, which is capable of transmitting rotation in both directions.
The power takeoff of the gearbox according to the embodiment of the invention comprises: the input shaft is provided with an input bevel gear at one end, the other end of the input shaft is provided with external teeth, the direction-adjusting shaft is provided with a direction-adjusting bevel gear, the direction-adjusting bevel gear is in meshing transmission with the input bevel gear, one end of the intermediate shaft is provided with a middle bevel gear, the other end of the intermediate shaft is provided with first shaft end teeth, the middle bevel gear is in meshing engagement with the direction-adjusting bevel gear, the input shaft penetrates through the intermediate shaft, the output shaft is coaxially arranged with the input shaft, the sliding sleeve is provided with internal teeth and second shaft end teeth, the sliding sleeve is sleeved on the output shaft and can move along the axial direction of the output shaft, the sliding sleeve can slide among a first position, a second position and a third position, when the sliding sleeve is positioned at the first position, the internal teeth are meshed with the external teeth, and the first shaft end teeth are separated from the second shaft end teeth, the input shaft and the output shaft rotate in the same direction; when the sliding sleeve is located at the second position, the inner teeth are separated from the outer teeth, the first shaft end teeth are separated from the second shaft end teeth, and the output shaft stops power output; when the sliding sleeve is located at the third position, the inner teeth are separated from the outer teeth, the first shaft end teeth are meshed with the second shaft end teeth, and the input shaft and the output shaft rotate reversely.
According to the power takeoff of the gearbox, the power takeoff controls the transmission mode between the input shaft and the output shaft, so that the rotation directions of the output shaft and the input shaft are the same or opposite, the power takeoff can perform transmission control on structures with different steering directions, the power takeoff can transmit various structures, the environmental applicability of the power takeoff is improved, the use of the power takeoff is simpler and more convenient, and the use performance of the power takeoff is improved.
In some embodiments, the input shaft is arranged perpendicular to the steering shaft.
In some embodiments, the central axis of the input shaft is collinear with the central axis of the output shaft.
In some embodiments, further comprising: the inner ring of the first bearing is sleeved outside the input shaft, and the output shaft is sleeved outside the outer ring of the first bearing.
In some embodiments, the device further comprises an air cylinder, and an execution end of the air cylinder is connected with the sliding sleeve to drive the sliding sleeve to switch from the first position to the third position.
In some embodiments, the intermediate shaft has a mounting hole penetrating therethrough in an axial direction thereof, and the input shaft is inserted into the mounting hole.
In some embodiments, the sliding sleeve is connected with the output shaft through a key or a spline.
In some embodiments, a side drive gear is provided on the input shaft, the side drive gear being located at one end of the input shaft.
A transmission according to an embodiment of the present invention includes: the gearbox comprises a gearbox body and a power takeoff, wherein a transmission shaft and a plurality of speed change gears are arranged in the gearbox body, the transmission shaft at least extends out of the gearbox body, the power takeoff is the power takeoff of the gearbox and is in transmission connection with the transmission shaft, or a side transmission gear is further arranged at one end of an input shaft and is in meshing transmission with the speed change gears.
A vehicle according to an embodiment of the invention comprises a gearbox as described above.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of the power take-off of the present invention with the sleeve in a first position;
FIG. 2 is a schematic structural view of the power take-off of the present invention with the sleeve in a second position;
FIG. 3 is a schematic structural view of the power take-off of the present invention with the sleeve in a third position;
FIG. 4 is a schematic structural view of the transmission of the present invention;
FIG. 5 is an enlarged fragmentary view of the transmission of the present invention;
FIG. 6 is a schematic structural view of the transmission of the present invention;
fig. 7 is an enlarged view of a portion of the transmission of the present invention.
Reference numerals:
the power take-off 10 is provided with a power take-off,
an input shaft 100, an input bevel gear 110, external teeth 120, a side gear 130,
a steering shaft 200, a steering bevel gear 210,
an intermediate shaft 300, an intermediate bevel gear 310, first shaft end teeth 320, mounting holes 330,
the sliding sleeve 400, the inner teeth 410, the second shaft end teeth 420,
the first bearing (500) is provided with a bearing,
the air cylinder (600) is provided with a cylinder,
the output shaft (700) is provided with a rotary shaft,
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A power take-off 10 for a gearbox 20 according to an embodiment of the invention is described below with reference to fig. 1-7, comprising: input shaft 100, steering shaft 200, intermediate shaft 300, output shaft 700 and sliding sleeve 400.
Specifically, one end of the input shaft 100 is provided with an input bevel gear 110, the other end of the input shaft is provided with an external tooth 120, the direction-adjusting shaft 200 is provided with a direction-adjusting bevel gear 210, the direction-adjusting bevel gear 210 is in meshing transmission with the input bevel gear 110, one end of the intermediate shaft 300 is provided with an intermediate bevel gear 310, the other end of the intermediate shaft 300 is provided with a first shaft end tooth 320, the intermediate bevel gear 310 is in meshing engagement with the direction-adjusting bevel gear 210, the input shaft 100 is arranged through the intermediate shaft 300, the output shaft 700 is coaxially arranged with the input shaft 100, the sliding sleeve 400 is provided with an internal tooth 410 and a second shaft end tooth 420, the sliding sleeve 400 is sleeved on the output shaft 700, the sliding sleeve 400 is movable along the axial direction of the output shaft 700, and the sliding sleeve 400 is slidable among a first position, a second position and a third position.
It should be noted that the input power on the input shaft 100 can be transmitted to the direction-adjusting bevel gear 210 and then to the intermediate bevel gear 310 through the input bevel gear 110 to drive the intermediate shaft to rotate and drive the output shaft 700 to rotate, or can be transmitted through the engagement of the external teeth 120 on the input shaft 100 and the internal teeth 410 on the output shaft 700. Therefore, the power transmitted to the input shaft 100 can be transmitted in two different transmission modes, and the two transmission modes have opposite rotation directions, so that the rotation directions of the output shaft 700 of the power takeoff and the input shaft 100 can be the same or opposite, the transmission direction of the power takeoff 10 can be adjusted by user control, so that the power takeoff 10 can realize adjustment of the rotation direction, the power takeoff 10 can transmit power to various structures with different rotation directions, the functional applicability of the power takeoff 10 is improved, and the service performance of the power takeoff 10 is improved.
Furthermore, sliding sleeve 400 has a plurality of positions, the drive mode of power takeoff 10 can be adjusted to a plurality of positions, thereby make power takeoff 10's use simpler, simplify power takeoff 10's use mechanism, make power takeoff 10 can be the adjustment of comparatively simple and convenient realization rotation direction, not only can be comparatively simple realization power takeoff 10's use and control, promote power takeoff 10's convenience of use, and make power takeoff 10 have more diversified use mode, make power takeoff 10 can transmit the mechanism of multiple different rotation directions that has, promote power takeoff 10's environmental suitability, make power takeoff 10's market competition obtain promoting.
When the sliding sleeve 400 is located at the first position, the internal teeth 410 are meshed with the external teeth 120, the first shaft end teeth 320 are separated from the second shaft end teeth 420, and the input shaft 100 can directly transmit with the output shaft 700, so that the rotation direction of the output shaft 700 is the same as that of the input shaft 100, and the input shaft 100 and the output shaft 700 rotate in the same direction; when the sliding sleeve 400 is located at the second position, the inner teeth 410 are disengaged from the outer teeth 120, the first shaft end teeth 320 are disengaged from the second shaft end teeth 420, and the input shaft 100 cannot transmit through the intermediate shaft 300, so that the power transmission of the power takeoff 10 is stopped; when the sliding sleeve 400 is located at the third position, the inner teeth 410 are disengaged from the outer teeth 120, the first shaft end teeth 320 are engaged with the second shaft end teeth 420, the rotation direction of the input shaft 100 and the rotation direction of the intermediate shaft 300 are adjusted through the steering shaft 200, then the input shaft 100 and the intermediate shaft 300 are transmitted to the intermediate shaft 300 for transition, and finally the input shaft 700 is transmitted to the output shaft 700, so that the rotation direction of the input shaft 100 is opposite to the rotation direction of the output shaft 700, and the reverse transmission of the input shaft 100 and the output shaft 700 is realized.
It can be understood that the sliding sleeve 400 is suitable for adjusting the transmission mode of the power takeoff 10, when the inner teeth 410 are engaged with the outer teeth 120, the power takeoff 10 has a first transmission direction, when the first shaft end teeth 320 are engaged with the second shaft end teeth 420, the power takeoff 10 has a second transmission direction, and the first transmission direction is opposite to the second transmission direction, so that when a user controls the power takeoff 10, the rotation direction of the power takeoff 10 can be controlled by adjusting the position of the sliding sleeve 400, so that the rotation directions of the input shaft 100 and the output shaft 700 are the same or opposite, thereby realizing that the power takeoff 10 can transmit in the first transmission direction or the second transmission direction, so that the power takeoff 10 can use and control transmission for structures with different steering directions, and improving the usability of the power takeoff 10.
According to the power takeoff 10 of the gearbox 20 disclosed by the embodiment of the invention, the power takeoff 10 controls the transmission modes of the input shaft 100 and the output shaft 700, so that the rotation directions of the output shaft 700 and the input shaft 100 are the same or opposite, the power takeoff 10 can carry out transmission control on structures with different steering directions, the power takeoff 10 can carry out transmission on various structures, the environmental suitability of the power takeoff 10 is improved, the use of the power takeoff 10 is simpler and more convenient, and the use performance of the power takeoff 10 is improved.
As shown in fig. 1-7, in some embodiments, input shaft 100 is disposed perpendicular to steering shaft 200. It can be understood that the input shaft 100 is provided with the input bevel gear 110, the input bevel gear 110 is arranged in a direction perpendicular to the input shaft 100, the steering shaft 200 is provided with the steering bevel gear 210, and the steering bevel gear 210 is arranged in a direction perpendicular to the steering shaft 200. In this way, by arranging the input shaft 100 and the steering shaft 200 perpendicularly, the input bevel gear 110 and the steering bevel gear 210 are also perpendicularly arranged, so that the power takeoff 10 transmits power in the second transmission direction, the rotation directions of the input shaft 100 and the output shaft 700 are opposite.
As shown in fig. 1-7, in some embodiments, the central axis of the input shaft 100 is collinear with the central axis of the output shaft 700. It can be understood that, when the power takeoff 10 performs transmission in the second transmission direction, the input bevel gear 110 is disposed on the input shaft 100, and the intermediate bevel gear 310 is disposed on the intermediate shaft 300, so that the input bevel gear 110 and the intermediate bevel gear 310 are disposed in parallel, and because the input bevel gear 110 and the intermediate bevel gear 310 perform transmission through the direction-adjusting bevel gear 210, the rotation directions of the intermediate bevel gear 310 and the input bevel gear 110 are opposite, so that the transmission direction of the input shaft 100 is opposite to the rotation direction of the intermediate shaft 300, and thus the transmission steering of the power takeoff 10 is changed.
As shown in fig. 1-3, in some embodiments, the power take-off 10 further comprises: first bearing 500, the inner race of first bearing 500 is fitted over input shaft 100, and intermediate shaft 300 is fitted over the outer race of first bearing 500. It can be understood that, because first bearing 500 inlays and establishes between input shaft 100 and jackshaft 300, on the one hand, first bearing 500 can reduce the friction when input shaft 100 rotates, promote the life of input shaft 100, thereby let power takeoff 10's performance promote, on the other hand, inlay the first bearing 500 who establishes in jackshaft 300 simultaneously, can play the supporting role to input shaft 100, make the stability and the reliability of input shaft 100 promote, thereby let the transmission between input shaft 100 and jackshaft 300 more reliable and stable, promote power takeoff 10's performance.
As shown in fig. 1 to fig. 3, in some embodiments, the power takeoff 10 further includes a cylinder 600, and an actuating end of the cylinder 600 is connected to the sliding sleeve 400 to drive the sliding sleeve 400 to switch between the first position and the third position. It can be understood that, adopt pneumatics mode drive sliding sleeve 400, because cylinder 600 structure is comparatively simple, light, the installation is all comparatively simple with the maintenance for power takeoff 10's use is more simple reliable, and cylinder 600 is comparatively convenient to drive sliding sleeve 400 adjustment power takeoff 10's rotation direction, promotes power takeoff 10's performance.
As shown in fig. 1 to 3, in some embodiments, the intermediate shaft 300 has a mounting hole 330 penetrating the intermediate shaft 300 in an axial direction thereof, and the input shaft 100 is inserted into the mounting hole 330. It can be understood that the mounting hole 330 on the intermediate shaft 300 can facilitate the connection assembly between the input shaft 100 and the intermediate shaft 300, and improve the connection assembly efficiency between the intermediate shaft 300 and the input shaft 100, so that the production efficiency of the power takeoff 10 is improved. Meanwhile, the coaxiality between the intermediate shaft 300 and the input shaft 100 can be improved, so that the transmission performance of the power takeoff 10 is improved, and the use performance of the power takeoff 10 is improved.
In some embodiments, the sliding sleeve 400 is coupled to the output shaft 700 by a key or spline. Like this, with adopting key or splined connection between sliding sleeve 400 and the output shaft 700 for sliding sleeve 400 can carry out axial displacement along output shaft 700, thereby can let sliding sleeve 400 carry out position control, and simultaneously, the sliding sleeve 400 of key or connection can avoid appearing the axial slip with output shaft 700, thereby further promotes sliding sleeve 400 and output shaft 700's transmission effect.
As shown in fig. 7, in some embodiments, a side gear 130 is disposed on the input shaft 100, and the side gear 130 is disposed at one end of the input shaft 100. It will be appreciated that by providing side gear 130 on input shaft 100, gearbox 20 may be selectively driven by transmitting power directly to input shaft 100, or by side gear 130 to input shaft 100. Therefore, the power takeoff 10 can be installed at the rear side of the gearbox 20 for use or the power takeoff 10 can be installed at the side of the gearbox 20 for use, so that the environmental adaptability of the power takeoff 10 is improved, the power takeoff 10 can adapt to various working scenes, and the service performance of the power takeoff 10 is improved.
As shown in fig. 4 to 7, a transmission case 20 according to an embodiment of the present invention includes: the power takeoff device comprises a gearbox body 21 and a power takeoff device 10, wherein a transmission shaft 22 and a plurality of speed change gears 23 are arranged in the gearbox body 21, the transmission shaft 22 at least extends out of the gearbox body 21, the power takeoff device 10 is the power takeoff device 10 of the gearbox 20, the power takeoff device 10 is in transmission connection with the transmission shaft 22, or one end of an input shaft 100 is further provided with a side transmission gear 130, and the side transmission gear 130 is in meshing transmission with the speed change gears 23. It will be appreciated that the power take-off 10 may transmit power by connection with a drive shaft 22 of the gearbox body 21, or by engagement between a ratio gear 23 in the gearbox body 21 and a side drive gear 130. In this way, since the power take-off 10 can have two ways of receiving power from the transmission case 20, the power take-off 10 can be mounted on the side of the transmission case 20 or in the rear, so that the power take-off 10 can have various mounting conditions, thereby improving environmental suitability of the power take-off 10, so that market competitiveness of the power take-off 10 is improved.
The vehicle according to the embodiment of the invention includes the transmission case 20 as above. Thus, the gearbox 20 is arranged in the vehicle, the transmission direction of the gearbox 20 can be adjusted through the power takeoff 10, so that the power transmitted by the power takeoff 10 has two opposite rotation directions, the subsequent structure is simpler and more reliable to use, and the structural applicability of the power takeoff 10 is improved. Furthermore, the power takeoff 10 can be driven by the side transmission gear 130, so that the power takeoff 10 can be installed not only on the rear side of the transmission case 20, but also on the side of the transmission case 20, thereby improving the environmental suitability of the power takeoff 10.
Other constructions and operations of the power take-off 10 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A power takeoff for a transmission, comprising:
the input shaft is provided with an input bevel gear at one end and external teeth at the other end;
the direction adjusting shaft is provided with a direction adjusting bevel gear, and the direction adjusting bevel gear is in meshing transmission with the input bevel gear;
the steering gear comprises an intermediate shaft, wherein one end of the intermediate shaft is provided with an intermediate bevel gear, the other end of the intermediate shaft is provided with a first shaft end tooth, the intermediate bevel gear is meshed with the steering bevel gear, and the input shaft penetrates through the intermediate shaft;
an output shaft disposed coaxially with the input shaft;
the sliding sleeve is provided with inner teeth and second shaft end teeth, the sliding sleeve is sleeved on the output shaft, the sliding sleeve can move along the axis direction of the output shaft, and the sliding sleeve can slide among a first position, a second position and a third position;
the inner ring of the first bearing is sleeved on the input shaft, and the intermediate shaft is sleeved on the outer ring of the first bearing;
the intermediate shaft is provided with a mounting hole which penetrates through the intermediate shaft along the axis direction of the intermediate shaft, and the input shaft is arranged in the mounting hole in a penetrating manner;
when the sliding sleeve is located at the first position, the internal teeth are meshed with the external teeth, the first shaft end teeth are separated from the second shaft end teeth, and the input shaft and the output shaft rotate in the same direction;
when the sliding sleeve is located at the second position, the inner teeth are separated from the outer teeth, the first shaft end teeth are separated from the second shaft end teeth, and the output shaft stops power output;
when the sliding sleeve is located at the third position, the inner teeth are separated from the outer teeth, the first shaft end teeth are meshed with the second shaft end teeth, and the input shaft and the output shaft rotate reversely.
2. A gearbox power take-off according to claim 1, characterised in that the input shaft is arranged perpendicular to the steering shaft.
3. A transmission power take-off as claimed in claim 1, wherein the central axis of the input shaft is collinear with the central axis of the output shaft.
4. The power takeoff of a transmission of claim 1, further comprising a cylinder, an actuating end of said cylinder being coupled to said sliding sleeve to actuate said sliding sleeve to shift from said first position to said third position.
5. The transmission power takeoff of claim 1, wherein said sliding sleeve is keyed to said output shaft.
6. A transmission power take-off as claimed in claim 1, wherein a side gear is provided on the input shaft, the side gear being located at one end of the input shaft.
7. A transmission, comprising:
the transmission gear box comprises a transmission gear box body, wherein a transmission shaft and a plurality of speed change gears are arranged in the transmission gear box body, and the transmission shaft at least extends out of the transmission gear box body;
a power take-off device, which is the power take-off device of the gearbox of any one of claims 1-6, and which is in transmission connection with the transmission shaft,
or one end of the input shaft is also provided with a side transmission gear, and the side transmission gear is in meshing transmission with the speed change gear.
8. A vehicle comprising a gearbox according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355314.3A CN113147386B (en) | 2021-04-01 | 2021-04-01 | Power takeoff, gearbox and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355314.3A CN113147386B (en) | 2021-04-01 | 2021-04-01 | Power takeoff, gearbox and vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN113147386A CN113147386A (en) | 2021-07-23 |
| CN113147386B true CN113147386B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110355314.3A Active CN113147386B (en) | 2021-04-01 | 2021-04-01 | Power takeoff, gearbox and vehicle |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB851083A (en) * | 1957-07-18 | 1960-10-12 | Inst Landmasch & Traktorenbau | Mechanical variable-speed power transmission apparatus |
| US6960107B1 (en) * | 2004-04-16 | 2005-11-01 | Brunswick Corporation | Marine transmission with a cone clutch used for direct transfer of torque |
| CN100491769C (en) * | 2006-11-11 | 2009-05-27 | 中国农业机械化科学研究院呼和浩特分院 | Direction-changeable three gears primary cone gear transmission case |
| CN101392507B (en) * | 2008-11-03 | 2010-12-15 | 赵国贵 | Composite transmission environmental sanitation dumper |
| CN102893759B (en) * | 2012-11-01 | 2015-07-08 | 福田雷沃国际重工股份有限公司 | Coaxially-driven co-rotating and counter-rotating device used for combine harvester |
| CN104896031A (en) * | 2015-05-08 | 2015-09-09 | 徐闻县植悦农业机耕专业合作社 | Direction and speed change device for crop breaking and mulching machine |
| CN211671441U (en) * | 2019-10-22 | 2020-10-16 | 石家庄美迪机械有限公司 | Reversing material discharging device |
| CN211175232U (en) * | 2019-11-25 | 2020-08-04 | 湖北工程学院 | Coaxial counter-rotating bevel gear transmission |
| CN214874233U (en) * | 2021-04-01 | 2021-11-26 | 北京福田戴姆勒汽车有限公司 | Power takeoff, gearbox and vehicle |
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