CN214382053U - Dual-drive mechanism and small agricultural machine - Google Patents
Dual-drive mechanism and small agricultural machine Download PDFInfo
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- CN214382053U CN214382053U CN202023305849.XU CN202023305849U CN214382053U CN 214382053 U CN214382053 U CN 214382053U CN 202023305849 U CN202023305849 U CN 202023305849U CN 214382053 U CN214382053 U CN 214382053U
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Abstract
The utility model discloses a double-driving mechanism and a small agricultural machine, wherein the double-driving mechanism comprises a first walking mechanism and a second walking mechanism which are oppositely arranged; the clutch comprises a first driving main shaft connected with a power device, wherein one end of the first driving main shaft, which is far away from the power device, is connected with the input end of a clutch, and the output end of the clutch is connected with a second driving main shaft; one end of the second driving main shaft, which is far away from the clutch, is connected with the first traveling mechanism; the output end of the driving device is connected with the first travelling mechanism, the driving device is connected with a driving switch, and the first driving main shaft and the driving device are selected to transmit power to the first travelling mechanism; or the output end of the driving device is connected with the second walking mechanism. The output speeds of the first driving main shaft and the driving device can be set to be the walking speed and the working speed respectively, and the agricultural machine can be conveniently switched between the walking speed and the working speed.
Description
Technical Field
The utility model relates to a little agricultural machinery equipment field especially relates to a dual drive mechanism and little agricultural machinery.
Background
With the development of economy, agricultural machinery is more and more widely applied, the speed of partial agricultural machinery, such as a ditcher, during moving needs to be 5-50km/h, the speed during working needs to be 60-300m/h generally, the existing common speed reducing mechanism cannot meet the speed difference of the agricultural machinery generally, in addition, a clutch of the agricultural machinery is generally arranged at the output end of a power device, a walking part and a working part generally input power and cut off the power, and if the working part needs to be in a working state after the walking part cuts off the power, a new power system needs to be introduced, so that the manufacturing cost and the maintenance cost are increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a dual drive mechanism and little agricultural machinery.
According to an aspect of the utility model, a dual drive mechanism and little agricultural machinery are provided, include
The first traveling mechanism and the second traveling mechanism are arranged oppositely;
the clutch comprises a first driving main shaft connected with a power device, wherein one end of the first driving main shaft, which is far away from the power device, is connected with the input end of a clutch, and the output end of the clutch is connected with a second driving main shaft; one end of the second driving main shaft, which is far away from the clutch, is connected with the first traveling mechanism;
the output end of the driving device is connected with the first travelling mechanism, the driving device is connected with a driving switch, and the first driving main shaft and the driving device are selected to transmit power to the first travelling mechanism; or the output end of the driving device is connected with the second walking mechanism.
Compared with the prior art, the utility model discloses following beneficial effect has: this application selects first drive main shaft or drive arrangement's power transmission to first running gear, first drive main shaft, drive arrangement's output speed can be set for walking speed respectively, operating speed, make things convenient for agricultural machine to switch between walking speed and operating speed, the one end that power arrangement was kept away from to first drive main shaft is connected with the input of clutch, second drive main shaft can independently cut off relative first drive main shaft power, do not introduce new driving system, can be when the work of work portion, the power of second drive main shaft is cut off, walk through the drive arrangement drive, simultaneously with the power output of first drive main shaft to work portion, accomplish the operation task.
Further, a first differential is connected to the first traveling mechanism, and an input end of the first differential is connected with a second driving main shaft; and/or a second differential is connected to the second travelling mechanism.
The differential mechanism is connected to the first traveling mechanism, differential traveling of wheels on two sides of the first traveling mechanism can be met, if the output end of the driving device is connected with the second traveling mechanism, the differential mechanism is connected to the second traveling mechanism, differential traveling of wheels on two sides of the second traveling mechanism can be met, the differential mechanism can be connected to the first traveling mechanism and the second traveling mechanism, differential traveling of wheels on two sides of the first traveling mechanism and the second traveling mechanism can be met, and differential capability of wheels on two sides of the agricultural machinery is improved.
Furthermore, first running gear is including the relative first transmission shaft that sets up, first transmission shaft passes through differential mechanism and connects, the one end that differential mechanism was kept away from to first transmission shaft is connected with the wheel.
The beneficial effect of adopting above-mentioned further technical scheme lies in, can connect the wheel respectively in the left and right sides of differential mechanism, conveniently realizes that the wheel differential is walked about the realization.
Further, the input end of the driving device is connected with the first driving main shaft.
The beneficial effect of adopting above-mentioned further technical scheme lies in, after second drive main shaft cuts off power, first drive main shaft can be with power transmission to drive arrangement, drives first running gear or second running gear through drive arrangement, need not introduce new driving system.
Furthermore, the driving device comprises a third driving main shaft, and a planetary gear set is arranged on the third driving main shaft;
the planetary gear transmission mechanism also comprises a first supporting piece connected with the planetary gear and a second supporting piece connected with the outer gear ring;
one of the first supporting piece and the second supporting piece is connected with a fourth driving spindle, and the other supporting piece is provided with a braking mechanism for locking the revolution of the outer gear ring or the planet wheel.
The technical scheme has the advantages that the speed reduction is realized by matching with the planetary gear set, the output speed of the driving device is set as the working speed, and the steering can be realized by cutting off the power of the planetary gear set on any side.
Furthermore, the brake drum is a first supporting piece and is rotationally connected with the third driving main shaft, and the second supporting piece is connected with the fourth driving main shaft; the third driving main shaft penetrates through the brake drum and is connected with a sun gear of the planetary gear set, the brake drum is rotationally connected with the third driving main shaft, the planet wheel support is connected with a wheel drum of the brake drum, and an outer gear ring of the planetary gear set is connected with a second supporting piece;
the technical scheme has the advantages that firstly, the planetary gear set is used for reducing speed, when a brake drum is not braked, the fourth driving main shaft does not act, when the brake drum is braked, the planet gear cannot revolve, the third driving main shaft rotates to drive the outer gear ring to rotate, and the outer gear ring drives the fourth driving main shaft through the second supporting piece.
Or the brake drum is a second supporting piece, the brake drum is rotationally connected with a third driving main shaft, the first supporting piece is connected with a fourth driving main shaft, the third driving main shaft penetrates through the brake drum and is connected with a sun gear of the planetary gear set, an outer gear ring of the planetary gear set is connected with a wheel drum of the brake drum, and a planet gear support of the planetary gear set is connected with the first supporting piece. The beneficial effect of adopting above-mentioned further technical scheme lies in, also utilizes planetary gear set to decelerate, and when not braking the brake drum, fourth drive main shaft does not have the action, and when braking the brake drum, outer ring gear is locked, and third drive main shaft rotates, drives the planet wheel and rotates, and the planet wheel passes through second support piece drive fourth drive main shaft.
Furthermore, a first output gear is connected to the fourth driving spindle, and a first input gear matched with the input gear is connected to the first traveling mechanism or the second traveling mechanism.
The technical scheme has the advantages that if the first input gear is positioned on the first travelling mechanism, the oppositely arranged first transmission shafts are connected with the first output gears which are matched with each other; if the first input gear is positioned on the second travelling mechanism, if the function of differential speed of the wheels at two sides is added, the second travelling mechanism comprises a second transmission shaft, a differential is connected onto the second transmission shaft, one end of the second transmission shaft, far away from the differential, is connected with the wheels, and the first transmission shaft is connected with a first output gear which is matched with the first output gear; if the differential speed of the wheels on the two sides is not needed, the second transmission shaft can be a through shaft, and the two ends of the through shaft are connected with the wheels.
Furthermore, the interior of a wheel drum of the brake drum is matched with a brake drum brake assembly, and the brake drum brake assembly is connected with the vehicle body through a connecting piece.
The further technical proposal has the advantages that,
according to the utility model discloses a another aspect provides little agricultural machinery, including any one of the aforesaid dual drive mechanism, select first drive main shaft or drive arrangement's power transmission to first running gear, walking speed, operating speed can be set for respectively to first drive main shaft, drive arrangement's output speed, make things convenient for agricultural machinery to switch between walking speed and operating speed.
Furthermore, the first driving main shaft is connected with a second output gear, and the second output gear drives the small agricultural machine working part through a transmission mechanism.
The further technical scheme has the advantages that the same power system outputs power to the working part and the travelling mechanism at the same time, so that one engine drives the mechanical head and the wheels at the same time, the power of the travelling mechanism is cut off, and the power output from the first driving main shaft to the working part is not influenced.
Further, the power device drives a first driving main shaft, the first driving main shaft is connected with a second output gear, and the second output gear drives the working part of the small agricultural machine through a first transmission mechanism;
or
The power device comprises a power mechanism, the power mechanism is connected with a clutch assembly, the output end of the clutch assembly is connected with an output shaft, the output end of the output shaft is connected with a gearbox, one output end of the gearbox drives a working part, the other output end of the gearbox is connected with a third output gear, and the third output gear is driven by a second transmission mechanism.
The technical scheme has the advantages that if the height of the working part needs to be reduced, the rotating shaft is connected to the bevel gear, the other end of the rotating shaft is also connected to the bevel gear, the downward movement of the center of gravity is achieved, the center of gravity of the agricultural machine is reduced, the stability is good, and the operation of an operator is facilitated.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a third schematic structural view of the present invention;
FIG. 4 is a first schematic structural diagram of a driving device;
FIG. 5 is a second schematic structural view of the driving device;
FIG. 6 is a first schematic structural diagram of a power plant;
fig. 7 is a schematic structural diagram ii of the power device.
In the figure: 1-a first travelling mechanism, 11-a first input gear; 12-2-a second travelling mechanism, 3-a first driving main shaft, 4-a clutch, 5-a second driving main shaft, 6-a driving device and 61-a third driving main shaft; 62-sun gear; 63-a planet wheel; 64-a first support; 65-a second support; 66-a fourth drive spindle; 661-first output gear; 67-external gear ring; 68-a drum; 69-brake drum brake assembly; 691-connecting piece; 7-a first differential, 8-a second differential, 9-a second output gear; 91-a second input gear; 93-a first bevel gear; 94-a power mechanism; 95-a clutch assembly; 96-a gearbox; 97-third input gear; 98-second bevel gear; 99-a third output gear; 10-the working part.
Detailed Description
In order to better understand the technical solution of the present invention, the present invention is further described below with reference to the drawings and the specific embodiments.
Example 1:
a dual-drive mechanism comprises a first walking mechanism 1 and a second walking mechanism 2 which are oppositely arranged;
the first driving main shaft 3 is connected with the power device, one end, far away from the power device, of the first driving main shaft 3 is connected with the input end of a clutch 4, and the output end of the clutch 4 is connected with a second driving main shaft 5; one end of the second driving main shaft 5, which is far away from the clutch 4, is connected with the first travelling mechanism 1;
the power source of the driving device 6 can be a hydraulic motor or the first driving main shaft 3, when the first driving main shaft 3 drives the driving device 6, the input end of the driving device 6 is connected with the first driving main shaft 3, after the power of the second driving main shaft 5 is cut off, the first driving main shaft 3 can transmit the power to the driving device 6, the first traveling mechanism 1 or the second traveling mechanism 2 is driven by the driving device 6, and a new power system does not need to be introduced.
The driving device 6 of the present embodiment includes a third driving spindle 61, and a planetary gear set is disposed on the third driving spindle 61; also comprises a first support 64 connected with the planet wheels 63 of the planetary gear set and a second support 65 connected with the outer ring gear 67; one of the first support member 64 and the second support member 65 is connected with a fourth driving spindle 66, and the other one is provided with a brake mechanism for locking the revolution of the outer gear ring 67 or the planet gear 63. The brake drum comprises a brake drum brake assembly 69, the brake drum brake assembly 69 is rotatably connected with the third driving main shaft 61, and a wheel drum 68 is sleeved outside the brake drum brake assembly 69.
The structure specifically comprises two structures, namely,
as shown in fig. 4, structure 1: the first support member 64 is a brake drum, the brake drum is rotatably connected with the third driving spindle 61, and the second support member 65 is connected with the fourth driving spindle 66; the third driving main shaft 61 penetrates through the brake drum and is connected with a sun gear 62 of the planetary gear set, the brake drum is rotationally connected with the third driving main shaft 61, a planet gear 63 support is connected with a wheel drum 68 of the brake drum, an outer gear ring 67 of the planetary gear set is connected with a second supporting piece 65, and a braking mechanism is a brake drum braking assembly 69; in this case, the power source of the driving device 6 is the first driving spindle 3, and the input end of the driving device 6 is connected to the first driving spindle 3 through a gear. The fourth driving main shaft 66 is connected with a first output gear 661, and the first traveling mechanism 1 is connected with a first input gear 11 matched with the first output gear 661.
As shown in fig. 5, structure 2: second support piece 65 is the brake drum, the brake drum rotates with third drive main shaft 61 and is connected, and first support piece 64 is connected with fourth drive main shaft 66, third drive main shaft 61 passes the brake drum is connected with planetary gear set's sun gear 62, planetary gear set's outer ring gear 67 with the hub 68 of brake drum is connected, planetary gear set's planet wheel 63 support is connected with first support piece 64. In this case, the power source of the driving device 6 is the first driving spindle 3, and the input end of the driving device 6 is connected to the first driving spindle 3 through a sprocket, a chain or a belt pulley. The fourth driving main shaft 66 is connected with a first output gear 661, and the second traveling mechanism 2 is connected with a first input gear 11 matched with the first output gear 661.
In the two structures, the wheel drum 68 of the brake drum is internally matched with the brake drum brake assembly 69, and the brake drum brake assembly 69 is connected with the vehicle body through a connecting piece 691 to provide supporting force for the brake drum brake assembly 69.
Meanwhile, the driving device 6 has the following connection relations with the first traveling mechanism 1 and the second traveling mechanism 2 for different purposes:
mode 1: the output end of the driving device 6 is connected with the first traveling mechanism 1, the driving device 6 is connected with a driving switch (a brake drum brake assembly 69 can be used as the driving switch, and the brake drum is in an open state), and the first driving main shaft 3 and the driving device 6 select to transmit power to the first traveling mechanism 1; the driving switch is turned off, the first driving main shaft 3 transmits power to the first traveling mechanism 1, and the first traveling mechanism 1 and the second traveling mechanism 2 are driven at a traveling speed; the driving switch is turned on, the clutch 4 is cut off, the driving device 6 transmits power to the first travelling mechanism 1, and the first travelling mechanism 1 and the second travelling mechanism 2 are driven at a working speed;
if the differential speed of the wheels at the two sides is not needed, the first transmission shaft can be a through shaft, the two ends of the through shaft are connected with the wheels, the driving device 6 can directly drive the through shaft at the moment, and the two sides of the through shaft are connected with the wheels through the connecting piece 691; as a preferred mode 1, if differential driving of the left and right wheels is realized, the first traveling mechanism 1 is connected with a first differential 7, an input end of the first differential 7 is connected with the second driving main shaft 5, specifically, the first traveling mechanism 1 includes first transmission shafts 12 arranged oppositely, the first transmission shafts 12 are connected through a differential, one ends of the first transmission shafts 12 far away from the differential are connected with the wheels, and at this time, the first transmission shafts on both sides of the first differential 7 are connected with the driving device 6.
Mode 2: the output end of the driving device 6 is connected with the second running gear 2, the driving device 6 is connected with a driving switch, the first driving main shaft 3 transmits power to the first running gear 1 to drive the first running gear 1 and the second running gear 2 at a running speed,
if the driving switch is turned off during the traveling speed, the working principle of the mode is similar to that of the mode 1, and the detailed description is omitted;
if a driving switch is turned on during the traveling speed, power is simultaneously input to the traveling mechanism through the first driving main shaft 3 and the driving device 6, and the working depth of the working part is controlled through the differential speed of the first traveling mechanism 1 and the second traveling mechanism 2, so that the driving system of the existing deep ditching tractor can be replaced; or the driving switch can be selectively turned on, the clutch 4 is cut off, the driving device 6 transmits power to the second travelling mechanism 2, and the first travelling mechanism 1 and the second travelling mechanism 2 are driven at the working speed;
if the differential speed of the wheels at the two sides is not needed, the second transmission shaft can be a through shaft, the two ends of the through shaft are connected with the wheels, the driving device 6 can directly drive the through shaft at the moment, and the two sides of the through shaft are connected with the wheels through the connecting piece 691; if the differential speed of the left wheel and the right wheel needs to be realized, the first traveling mechanism 1 is connected with a first differential mechanism 7, and the input end of the first differential mechanism 7 is connected with a second driving main shaft 5; and a second differential gear 8 is connected to the second travelling mechanism 2, and the input end of the second differential gear 8 is connected with the second driving main shaft 5. the second travelling mechanism 2 is connected with the second differential gear 8. When the first traveling mechanism 1 is used as a front wheel traveling mechanism and the second traveling mechanism 2 is used as a rear wheel traveling mechanism, a steering mechanism can be arranged on the first traveling mechanism 1, and at the moment, only the second traveling mechanism 2 needs to be connected with the second differential gear 8.
As a preferred embodiment of the present invention, as shown in fig. 1, an output end of the driving device 6 is connected to the first traveling mechanism 1, the driving device 6 is provided with a planetary gear set, the first traveling mechanism 1 is connected to a first differential 7, and an input end of the first differential 7 is connected to the second driving main shaft 5; first running gear 1 is including the relative first transmission shaft that sets up, first transmission shaft passes through first differential mechanism 7 and connects, the one end that first differential mechanism 7 was kept away from to first transmission shaft is connected with the wheel, and the first transmission shaft of first differential mechanism 7 both sides all is connected with drive arrangement 6, and second running gear 2 is as passive running gear.
As another preferred embodiment, as shown in fig. 2, the output end of the driving device 6 is connected to the second traveling mechanism 2, the driving device 6 is provided with a planetary gear set, the first traveling mechanism 1 is connected to a first differential 7, and the input end of the first differential 7 is connected to the second driving main shaft 5. Meanwhile, the second traveling mechanism 2 is connected with a second differential 8; the first traveling mechanism 1 comprises first transmission shafts which are oppositely arranged, the first transmission shafts are connected through a first differential mechanism 7, and one end, far away from the first differential mechanism 7, of each first transmission shaft is connected with a wheel; the second running gear 2 comprises a second transmission shaft which is arranged oppositely, the second transmission shaft is connected through a second differential mechanism 8, one end, far away from the second differential mechanism 8, of the second transmission shaft is connected with wheels, and the first transmission shafts on two sides of the second differential mechanism 8 are connected with driving devices 6.
In the two preferable modes, the speed reduction is realized by matching with the planetary gear set, the output speed of the driving device 6 is set as the working speed, the agricultural machine can be conveniently switched between the walking speed and the working speed, and the steering can be realized by cutting off the power of the planetary gear set on any side.
The small agricultural machine based on the dual-drive mechanism is provided, and the working part of the small agricultural machine comprises but is not limited to a ditching assembly, a rotary tillage assembly, a weeding assembly and a seeding assembly.
As shown in fig. 6, in one implementation manner of this embodiment, the power device drives the first driving spindle 3, the first driving spindle 3 is connected with the second output gear 9, and the second output gear 9 drives the small agricultural machine working part through the first transmission mechanism. The first transmission mechanism comprises a second input gear 91 meshed with the second output gear 9, the second input gear 91 is connected with a first bevel gear 93, and the first bevel gear 93 drives the working part of the small agricultural machine through the first transmission mechanism. If the height of the working part needs to be reduced, the rotating shaft is connected to the first bevel gear 93, the other end of the rotating shaft is also connected to the first bevel gear 93, the first bevel gear 93 drives the working part to realize downward movement of the center of gravity, so that the center of gravity of the agricultural machine is reduced, the stability is good, and the operation and the control of an operator are facilitated.
As shown in fig. 7, in another implementation manner of this embodiment, the power device includes a power mechanism 94, such as an engine, a motor, and the like, where the power mechanism 94 is connected to a clutch assembly 95, an output end of the clutch assembly 95 is connected to an output shaft, an output end of the output shaft is connected to a gearbox 96, one output end of the gearbox 96 drives the working portion, another output end of the gearbox 96 is connected to a third output gear 99, the power device further includes a third input gear 97 engaged with the third output gear 99, the third input gear 97 is connected to a second bevel gear 98, and the second bevel gear 98 drives the road wheel through a second transmission mechanism. If the height of the working part needs to be reduced, the rotating shaft is connected to the second bevel gear 98, the other end of the rotating shaft is also connected to the second bevel gear 98, the second bevel gear 98 drives the first driving main shaft 3, the downward movement of the gravity center of the wheel driving mechanism is achieved, the gravity center of the agricultural machine is reduced, the stability is good, and the operation and the control of an operator are facilitated.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A dual-drive mechanism is characterized by comprising
The first traveling mechanism and the second traveling mechanism are arranged oppositely;
the clutch comprises a first driving main shaft connected with a power device, wherein one end of the first driving main shaft, which is far away from the power device, is connected with the input end of a clutch, and the output end of the clutch is connected with a second driving main shaft; one end of the second driving main shaft, which is far away from the clutch, is connected with the first traveling mechanism;
the output end of the driving device is connected with the first travelling mechanism, the driving device is connected with a driving switch, and the first driving main shaft and the driving device are selected to transmit power to the first travelling mechanism; or the output end of the driving device is connected with the second walking mechanism.
2. The dual drive mechanism according to claim 1, wherein a first differential is connected to said first traveling mechanism, and an input end of said first differential is connected to a second drive main shaft; and/or a second differential is connected to the second travelling mechanism.
3. The dual drive mechanism according to claim 1 or 2, wherein the first traveling mechanism comprises first transmission shafts which are oppositely arranged, the first transmission shafts are connected through a differential, and one end of each first transmission shaft, which is far away from the differential, is connected with a wheel.
4. A dual drive mechanism according to claim 3, wherein the input of said drive means is connected to the first drive spindle.
5. The dual drive mechanism according to claim 1, wherein said drive means includes a third drive spindle, said third drive spindle being provided with a planetary gear set;
the planetary gear transmission mechanism also comprises a first supporting piece connected with the planetary gear and a second supporting piece connected with the outer gear ring;
one of the first supporting piece and the second supporting piece is connected with a fourth driving spindle, and the other supporting piece is provided with a braking mechanism for locking the revolution of the outer gear ring or the planet wheel.
6. A dual drive mechanism according to claim 5,
the first supporting piece is a brake drum, the brake drum is rotationally connected with the third driving main shaft, and the second supporting piece is connected with the fourth driving main shaft; the third driving main shaft penetrates through the brake drum and is connected with a sun gear of a planetary gear set, a planetary gear support is connected with a wheel drum of the brake drum, and an outer gear ring of the planetary gear set is connected with a second supporting piece;
or
The second support piece is the brake drum, the brake drum rotates with third drive spindle and is connected, and first support piece is connected with fourth drive spindle, third drive spindle passes the brake drum is connected with planetary gear set's sun gear, planetary gear set's outer ring gear with the wheel drum of brake drum is connected, planetary gear set's planet wheel support is connected with first support piece.
7. The dual drive mechanism according to claim 6, wherein a first output gear is connected to said fourth drive spindle, and a first input gear engaged with said first output gear is connected to said first traveling mechanism or said second traveling mechanism.
8. The dual-drive mechanism of claim 6, wherein the interior of the wheel drum of the brake drum is matched with a brake drum brake assembly, and the brake drum brake assembly is connected with the vehicle body through a connecting piece.
9. A small agricultural machine comprising a dual drive mechanism according to any one of claims 1 to 7.
10. The agricultural machine of claim 9, wherein the power device drives a first drive spindle, the first drive spindle is connected with a second output gear, and the second output gear drives the working part of the agricultural machine through a first transmission mechanism;
or
The power device comprises a power mechanism, the power mechanism is connected with a clutch assembly, the output end of the clutch assembly is connected with an output shaft, the output end of the output shaft is connected with a gearbox, one output end of the gearbox drives a working part, the other output end of the gearbox is connected with a third output gear, and the third output gear is driven by a second transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305849.XU CN214382053U (en) | 2020-12-31 | 2020-12-31 | Dual-drive mechanism and small agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305849.XU CN214382053U (en) | 2020-12-31 | 2020-12-31 | Dual-drive mechanism and small agricultural machine |
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| Publication Number | Publication Date |
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| CN214382053U true CN214382053U (en) | 2021-10-12 |
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| CN202023305849.XU Active CN214382053U (en) | 2020-12-31 | 2020-12-31 | Dual-drive mechanism and small agricultural machine |
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| Country | Link |
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| CN (1) | CN214382053U (en) |
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2020
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