WO2020244091A1 - Rice transplanter, gearbox, gearbox housing, and power transmission method for rice transplanter - Google Patents

Abstract

A rice transplanter (1), a gearbox (512), a gearbox housing (5122), and a power transmission method for a rice transplanter. The gearbox housing has an input port (510), a first output port (520), a second output port (520) and third output ports (520); the input port is used for mounting an input shaft (5123) for inputting power, the first output port and the second output port are respectively used for mounting output shafts (5124) for outputting power to wheels located at two sides of the gearbox housing, the third output ports are respectively used for mounting output shafts (5124) for outputting power to wheels located at the rear side or front side of the gearbox housing.

Description

Rice transplanter, gearbox, gearbox housing and rice transplanter power transmission method Technical field

The invention relates to the field of agricultural machinery, in particular to a rice transplanter, a gearbox, a gearbox housing and a power transmission method for the rice transplanter.

Background technique

The rice transplanter is a kind of agricultural machinery, which can help farmers plant seedlings in the farmland, so that farmers can sit on the rice transplanter or walk with the rice transplanter, instead of manually bend over and get up to plant the seedlings. In the farmland, the burden on farmers is greatly reduced.

The gearbox is an important part of the rice transplanter’s power system. In the current rice transplanter, the gearbox itself is complex in structure, large in size, and takes up a lot of vehicle space, and the gearbox also needs to be installed on the rice transplanter’s frame or engine There are many parts and components arranged around.

Further, for most rice transplanters, there are usually multiple gearboxes, one can transmit the power of the engine to the walking mechanism, one can transmit the power of the engine to the rice transplanting mechanism, and two of the gearboxes It is arranged near the chassis frame and occupies a large space, and there are many other parts arranged around it, which is not conducive to the reduction of the entire rice transplanter structure and is not conducive to subsequent maintenance.

Summary of the invention

An object of the present invention is to provide a rice transplanter, a gearbox, a gearbox housing, and a power transmission method for the rice transplanter, wherein the gearbox housing of the rice transplanter has a simple structure.

Another object of the present invention is to provide a rice transplanter, a gearbox, a gearbox housing, and a power transmission method for the rice transplanter, wherein the gearbox of the rice transplanter is simply arranged.

Another object of the present invention is to provide a rice transplanter, a gearbox, a gearbox housing, and a power transmission method for the rice transplanter, wherein the gearbox of the rice transplanter is stably arranged.

Another object of the present invention is to provide a rice transplanter, a gearbox, a gearbox housing and a power transmission method for the rice transplanter, wherein the gearbox of the rice transplanter occupies a small space.

Another object of the present invention is to provide a rice transplanter, a gearbox, a gearbox housing, and a power transmission method for the rice transplanter, wherein the gearbox of the rice transplanter can provide power to a walking device and a rice transplanting device, respectively.

According to one aspect of the present invention, the present invention provides a gearbox housing, which has an input port, a first output port, a second output port, and a third output port, one of the input ports is for installing an input shaft for input power , The first output port and the second output port are respectively for installation to output shafts that output power to wheels located on both sides of the gearbox housing, and the third output port is respectively for installation to the gearbox The output shaft that outputs power from the wheels on the rear or front side of the housing.

According to an embodiment of the present invention, the gearbox housing includes a first part gearbox housing and a second part gearbox housing, wherein the first output port is located between the first part gearbox housing and the The second output port is located in the second part of the gearbox housing, wherein the third output port and the input port are respectively located in the second part of the gearbox housing.

According to an embodiment of the present invention, the input port and the second output port are formed on the same side.

According to an embodiment of the present invention, the input port is located higher than the second output port.

According to an embodiment of the present invention, the position of the third output port is located between the input port and the second output port.

According to an embodiment of the present invention, the gearbox housing has a fourth output port, wherein the fourth output port is located in the first part of the gearbox housing, and the direction of the fourth output port is consistent with the The direction of the third outlet is the same.

According to an embodiment of the present invention, the gearbox housing has a first connecting end surface and a second connecting end surface, wherein the first connecting end surface and the second connecting end surface are respectively attached to one of the front axles. The receiving surface, wherein the first connecting end surface and/or the second connecting end surface is a hexagonal surface.

According to an embodiment of the present invention, the receiving surface of the front axle is a hexagonal surface, and the receiving member of the front axle is the same size as the first connecting end surface and the second connecting end surface .

According to an embodiment of the present invention, the gearbox housing protrudes toward both sides to form a first connecting portion and a second connecting portion, wherein the first connecting portion has the first connecting end surface, so The second connecting portion has the second connecting end surface.

According to an embodiment of the present invention, the first connecting end surface and/or the second connecting end surface is a flat surface.

According to another aspect of the present invention, the present invention provides a gearbox, which includes:

The aforementioned gearbox housing, wherein the gearbox housing has an accommodating cavity; and

A gearbox body, wherein the gearbox body is accommodated in the accommodating cavity.

According to another aspect of the present invention, the present invention provides a small high-speed rice transplanter, which includes:

A frame

An engine, wherein the engine is mounted on the frame;

A walking device, wherein the walking device includes two front wheels and two rear wheels, wherein the front wheels and the rear wheels are respectively mounted on the frame;

A rice transplanting device, wherein the rice transplanting device is mounted on the frame; and

The aforementioned gearbox, wherein the walking device and the rice transplanting device are respectively driveably connected to the engine, wherein the power generated by the engine is at least partially transmitted to the gearbox, and the walking device is It is drivably connected to the gearbox.

According to another aspect of the present invention, the present invention provides a small high-speed rice transplanter, which includes:

A frame

An engine, wherein the engine is mounted on the frame;

A walking device, wherein the walking device includes two front wheels and two rear wheels, wherein the front wheels and the rear wheels are respectively mounted on the frame;

A rice transplanting device, wherein the rice transplanting device is mounted on the frame; and

A gearbox, wherein the walking device and the rice transplanting device are respectively drivably connected to the engine, wherein the power generated by the engine is at least partially transmitted to the gearbox, and each of the walking devices The front wheels are drivably connected to the gearbox, and each of the rear wheels is drivably connected to the gearbox.

According to an embodiment of the present invention, the gearbox includes a gearbox body, a gearbox housing, and two gearbox output shafts, the gearbox housing has an accommodating cavity, and the gearbox body is accommodated in In the accommodating cavity, each of the gearbox output shafts is driveably connected to the gearbox body, wherein two of the front wheels are driveably connected to one gearbox output shaft, two Each of the rear wheels is drivably connected to another output shaft of the gearbox.

According to an embodiment of the present invention, the gearbox includes a gearbox body, a gearbox housing and three gearbox output shafts, wherein the gearbox housing has a housing cavity, wherein the gearbox body is accommodated In the accommodating cavity, each of the gearbox output shafts is driveably connected to the gearbox body, one of the gearbox output shafts, one of the front wheels output power, and one of the gearboxes The output shaft outputs power to the other front wheel, and the other gearbox output shaft outputs power to the two rear wheels.

According to an embodiment of the present invention, the gearbox further includes a gearbox output shaft that outputs power to the rice planting device, and the rice planting device is drivably connected to the gearbox output shaft.

According to an embodiment of the present invention, the frame includes a chassis frame, two front axles, and two rear axles, wherein the front axle is located at the front of the chassis frame, and the rear axle is located at the chassis frame. At the rear of the vehicle, the front wheels are mounted on the front axle, the rear wheels are mounted on the rear axle, and the gearboxes are respectively mounted on the two front axles, and the two front axles They are located on both sides of the gearbox.

According to an embodiment of the present invention, the gearbox housings are respectively installed on the two front axles.

According to another aspect of the present invention, the present invention provides a power transmission method for a rice transplanter, which includes the following steps:

A gearbox of a rice transplanter respectively outputs power to at least one wheel of the rice transplanter through the output shaft of the gearbox.

According to an embodiment of the present invention, the power transmission method of the rice transplanter further includes the following steps:

The power is output to a rice transplanting device of the rice transplanter through the output shaft of the gearbox.

Description of the drawings

Fig. 1 is a schematic diagram of a rice transplanter according to a preferred embodiment of the present invention.

Figure 2 is a schematic top view of the rice transplanter according to the above preferred embodiment of the present invention.

Figure 3 is an exploded schematic diagram of the rice transplanter according to the above preferred embodiment of the present invention.

Fig. 4A is a schematic diagram of a gearbox of the rice transplanter according to the above-mentioned preferred embodiment of the present invention.

Fig. 4B is a partial schematic view from another perspective of the gearbox of the rice transplanter according to the above preferred embodiment of the present invention.

Fig. 5A is an exploded schematic diagram of the gearbox of the rice transplanter according to the above preferred embodiment of the present invention.

Fig. 5B is an exploded schematic view of the gearbox of the rice transplanter according to the above preferred embodiment of the present invention from another perspective.

Detailed ways

The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention And to simplify the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so the above terms should not be understood as limiting the present invention.

It can be understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in other embodiments, The number can be multiple, and the term "one" cannot be understood as a restriction on the number.

Referring to FIG. 1 to FIG. 5B, a rice transplanter 1 according to a preferred embodiment of the present invention is illustrated.

The rice transplanter 1 can be used in an environment with a small operating space, such as a greenhouse, a terrace, or an area with a small farmland area. The rice transplanter 1 may be a miniaturized high-speed rice transplanter.

Specifically, the rice transplanter 1 includes a frame 10, a walking device 20, a rice transplanting device 30, a control device 40, and a driving device 50, wherein the walking device 20, the rice transplanting device 30, The control device 40 and the drive device 50 are respectively provided in the frame 10.

The walking device 20, the rice planting work device 30, the control device 40, and the drive device 50 are respectively mounted on the vehicle frame 10. The walking device 20 can be driven by the driving device 50 to drive the frame 10 to move, and the seedling planting device 30 can be driven by the driving device 50 to perform seedling planting operations. The walking device 20 and the rice transplanting device 30 are respectively controllably connected to the control device 40, and the control device 40 can control the walking speed and the walking direction of the walking device 20. The rice transplanting device 30 The planting speed and so on.

The walking device 20 and the rice transplanting work device 30 are respectively driveably connected to the driving device 50.

The driving device 50 includes a power unit 51, a power distribution unit 52, and a power transmission unit 53, wherein the power generated by the power unit 52 can be distributed by the power distribution unit 52 and then passed through the power transmission unit 53 It is transferred to the walking device 20 and the rice transplanting device 30.

Specifically, the power unit 51 includes an engine 511 and a gearbox 512, wherein at least part of the power generated by the engine 511 is transmitted to the gearbox 512, and then the power is respectively transmitted to the gearbox 512 through the gearbox 512. The walking device 20 and the rice planting operation device 30.

The gearbox 512 includes a gearbox body 5121 and a gearbox housing 5122, wherein the gearbox housing 5122 has an accommodating cavity 51220, and the gearbox body 5121 is accommodated in the gearbox housing 5122. The receiving cavity 51220.

The gearbox 512 further includes a gearbox input shaft 5123 and two gearbox output shafts 5124, wherein the gearbox input shaft 5123 inputs power from the engine 511 to the gearbox body 5121, The box output shaft 5124 transmits the power after the transmission through the transmission main body 5121 to the outside.

It is worth noting that the difference between the two transmission output shafts 5124 is that one transmission output shaft 5124 transmits power to the traveling device 20 connected to a front axle 12, and the other transmission output shaft 5124 transmits power to the traveling device 20 connected to a rear axle 13.

Specifically, the frame 10 includes a chassis frame 11, two front axles 12, and two rear axles 13, wherein the two front axles 12 are respectively located at the front of the chassis frame 11 and are separated from the chassis frame 11. The frame 11 extends downward, and the two rear axles 13 are respectively located at the rear of the chassis frame 11 and extend downward from the chassis frame 11.

The walking device 20 is implemented as four wheels, two front wheels and two rear wheels. Two of the front wheels are installed on the front axle 12, and the two rear wheels are installed on the front axle.述后桥13。 Said after the bridge 13.

The power of the gearbox 512 is respectively transmitted to the two front wheels on the front axle 12 and the two rear wheels on the rear axle 13. Therefore, in this embodiment, the rice transplanter 1 is A four-wheel drive type agricultural machine to facilitate subsequent manipulation of the rice transplanter 1.

Further, the gearbox 512 is located at the front of the chassis frame 11. Furthermore, the gearbox 512 is located between the two front axles 12. Preferably, the gearbox 512 is located in the middle of the two front axles 12, and the power is respectively transmitted to the front wheels connected to the front axle 12 on both sides through a gearbox output shaft 5124. And the other transmission output shaft 5124 transmits power to the rear wheels connected to the rear axle 13 on both sides, respectively.

More specifically, the chassis frame 11 has a first frame 111, a second frame 112, a third frame 113, and a fourth frame 114. The first frame 111 is opposite to the third frame 113, and the second frame 112 is opposite to the fourth frame 114.

Optionally, the first frame 111 is located at the front, the third frame 113 is located at the rear, and the second frame 112 and the fourth frame 114 are located at the side. The first frame 111, the second frame 112, the third frame 113, and the fourth frame 114 are integrally formed to facilitate the structural strength of the chassis frame 11. Preferably, the first frame 111, the second frame 112, the third frame 113, and the fourth frame 114 form a rectangular structure. The gearbox 512 is located between the second frame 112 and the fourth frame 114. One of the front axles 12 is installed on the second frame 112, and the other of the front axles 12 is installed on the fourth frame 114.

With particular reference to Figures 4A to 5B, the gearbox housing 5122 has an input port 510 and at least two output ports 520, one of which is for the transmission input shaft 5123 to pass through, and one of the output ports 520 is used for passing the gearbox output shaft 5124.

Specifically, the number of the output ports 520 corresponding to the power transmission to the wheels mounted on the front axle 12 is two, because the number of the front wheels is two, and they are located in the gearbox 512, respectively. On both sides.

The front side of the gearbox 512 corresponds to the forward direction of the walking device 20, and the rear side of the gearbox 512 is opposite to the front side of the gearbox 512. The left side and right side of the gearbox 512 correspond to the positions of the front axle 12 respectively.

The two output ports 520 are located on the left and right sides of the gearbox 512, and are used for passing the gearbox output shaft 5124 to be respectively connected to the traveling device installed on the front axle 12 20. The front wheels are respectively driveably connected to the transmission output shaft 5124.

Further, one output port 520 is located on the rear side of the gearbox 512 for connecting the gearbox output shaft 5124 to the traveling device 20 installed on the rear axle 13. The rear wheels are respectively driveably connected to the transmission output shaft 5124.

More specifically, the gearbox housing 5122 of the gearbox 512 includes a first part gearbox housing 51221 and a second part gearbox housing 51222, wherein the first part gearbox housing 51221 and the The second part of the gearbox housing 51222 is located on both sides.

The first part of the gearbox housing 51221 and the second part of the gearbox housing 51222 may be integrally formed, or it may be that the first part of the gearbox housing 51221 is detachably mounted on the second part Gearbox housing 51222.

In this embodiment, the gearbox 512 is a split structure, divided into the first part gearbox housing 51221 and the second part gearbox housing 51222. Preferably, the mounting surfaces of the first part gearbox housing 51221 and the second part gearbox housing 51222 are a flat surface.

For example, the part on the left is the first part of the gearbox housing 51221, the part on the right is the second part of the gearbox housing 51222, and the left and right sides are standing on the rice transplanter. And the advancing direction facing the rice transplanter is distinguished by reference.

The first part of the gearbox housing 51221 has at least one output port 520, wherein the output port 520 is used by the gearbox output shaft 5124 to transmit power to the front wheel connected to the front axle 12 on one side. The second part of the transmission housing 51222 has at least one output port 520, wherein the output port 520 is used for the transmission output shaft 5124 to transmit power to the front axle 12 connected to the other side. wheel.

Preferably, the output port 520 of the first part of the gearbox housing 51221 corresponds to the output port 520 of the second part of the gearbox housing 51222, for example, the same gearbox output shaft 5124, one end can be The front wheel connected to the front wheel on one side outputs power, and the other end can output power to the front wheel connected to the front wheel on the other side.

Alternatively, one of the gearbox output shafts 5124 outputs power to the front wheel connected to the front axle 12 on one side through the output port 520 of the first part of the gearbox housing 51221, and the other The box output shaft 5124 outputs power to the front wheels connected to the front axle 12 on the other side through the output port 520 of the second partial gearbox housing 51222.

The output port 520 corresponding to the gearbox output shaft 5124 that transmits to the rear wheels may be located at the first gearbox housing 5122 or at the second gearbox housing 5122. In this embodiment, it is located on the rear side of the second gearbox housing 5122.

Further, the engine 511 has a relatively large size. In this embodiment, the engine 511 is installed on the chassis frame 11 and located on the front side of the gearbox 512.

The driving device 50 further includes the power distribution unit 52, and the power distribution unit 52 distributes part of the power of the engine 511 to the gearbox 512. For example, the power unit 51 of the driving device 50 may further include a generator 513, wherein the power of the engine 511 may be distributed to the generator 513 and the gearbox 512 respectively.

The power distribution unit 52 may be implemented as a pulley, and the power distribution unit 52 and the generator 513 are located on one side of the engine 511, such as the right side. Corresponding to the positions of the power distribution unit 52 and the engine 511, the position of the input port 510 of the gearbox 512 is located in the second part of the gearbox housing 51222.

Furthermore, the gearbox 512 further includes a gearbox output shaft 5124, wherein the gearbox output shaft 5124 is used to provide power to the rice planting device 30. The rice transplanting device 30 is drivably connected to the gearbox output shaft 5124.

The transmission output shaft 5124 is located behind the transmission housing 5122, and is arranged side by side with another transmission output shaft 5124 for providing power to the rear wheels.

Correspondingly, the gearbox housing 5122 has an output port 520, wherein the gearbox output shaft 5124 that provides power to the rice planting operation device 30 passes through the output port 520, and the output port 520 is located at the output port 520. The first part of the gearbox housing 51221. The output port 520 through which the transmission output shaft 5124 that provides power to the rear wheels passes is located at the second part of the transmission housing 51222.

The first partial gearbox housing 51221 may have two output ports 520, and the second partial gearbox housing 51222 may have two output ports 520.

Specifically, one of the output ports 520 of the first part of the gearbox housing 51221 is for installing one of the gearbox output shafts 5124 for transmitting power to the front wheels, and the other part of the first part of the gearbox housing 51221 One output port 520 is for installing another transmission output shaft 5124 for transmitting power to the rice transplanting device 30.

One of the output ports 520 of the second part of the gearbox housing 51222 is for installing one of the gearbox output shafts 5124 that transmit power to the front wheels, and the other part of the second part of the gearbox housing 51222 is The output port 520 is for installing another transmission output shaft 5124 that transmits power to the two rear wheels.

Further, for the second partial gearbox housing 51222, the position of the input port 510 of the second partial gearbox housing 51222 is higher than the position of the output port 520 for installation to the The position of the output port 520 of the transmission output shaft 5124 for transmitting power to the rear wheels is higher than the position of the transmission output shaft 5124 for installing the transmission power to the front wheels.

The position of the output port 520 of the first part of the gearbox 512 is slightly higher than the output port 520 of the second part of the gearbox 512 for installing the gearbox output shaft 5124 for transmitting power to the rear wheels Location.

In order to show the difference, the output port 520 of the output shaft that is installed to output power to the wheels located on both sides of the gearbox housing 5122 can be called a first output port and a second output port, wherein the first output The port is located in the first part of the gearbox housing 51221, and the second output port is located in the second part of the gearbox housing 51222.

The output shaft for outputting power to the wheels located on the rear side of the gearbox housing 5122 is said to be the third output port. Of course, it can be understood that when the gearbox 512 is located at the rear of the chassis frame 11, When the rear wheels are located on both sides of the gearbox 512, the third output port is used to install an output shaft that outputs power to the wheels on the front side of the gearbox 512.

The output shaft that is installed to output power to the rice transplanting device 30 located at the rear side of the gearbox housing 5122 is called the fourth output port. Of course, it is understandable that when the gearbox 512 is located at the rear of the chassis frame 11 and the rear wheels are located on both sides of the gearbox 512, the third output port is used to mount the gear The output shaft of the rice transplanter 30 on the front side of the box 512 outputs power. The third output port is located at the second part of the gearbox housing 51222, and the fourth output port is located at the first part of the gearbox housing 51221.

For the gearbox 512, the gearbox housing 5122 is formed with a first connecting portion 51223 and a second connecting portion 51224, wherein the first connecting portion 51223 is mounted on a front axle 12, so The second connecting portion 51224 is installed on the other front axle 12.

The first connecting portion 51223 is located at the first partial gearbox housing 51221, and the second connecting portion 51224 is located at the second partial gearbox housing 51222.

More specifically, the first part of the gearbox housing 51221 has a first connecting end surface 512211, wherein the first connecting portion 51223 has the first connecting end surface 512211, and the first connecting portion 51223 is convexly formed In the first part of the gearbox housing 51221.

The second part of the gearbox housing 51222 has a second connecting end surface 512221, wherein the second connecting portion 51224 has the second connecting end surface 512221, and the second connecting portion 51224 is protrudingly formed on the first Two-part gearbox housing 51222.

When the gearbox 512 is respectively connected to the two front axles 12, the corresponding gearbox output shaft 5124 of the gearbox 512 transmits power to the front wheels through the front axle 12, and The first connecting end surface 512211 and the second connecting end surface 512221 of the gearbox 512 respectively contact the two front wheels.

When the gearbox 512 is installed on the front axle 12, the first connecting portion 51223 is installed on one of the front axles 12, and the second connecting portion 51224 is installed on the other front axle 12, Therefore, for the first connection end surface 512211 and the second connection end surface 512221, the first connection end surface 512211 and the second connection end surface 512221 as a force surface need to receive a relatively large force.

The first connecting end surface 512211 is a hexagonal surface, and the second connecting end surface 512221 is a hexagonal surface. Accordingly, the front bridge 12 corresponds to contacting the first connecting end surface 512211 or the second connecting end surface 512211. A receiving surface of the connecting end surface 512221 is also a hexagonal surface, and is matched with the first connecting end surface 512211 and the second connecting end surface 512221.

When the gearbox 512 is installed on the front axle 12, the first connecting end of the first connecting portion 51223 of the gearbox 512 is attached to a bearing surface of the front axle 12, The second connecting end of the second connecting portion 51224 of the gearbox 512 is attached to the receiving surface of the other front axle 12. The first part of the gearbox housing 51221 and the second part of the gearbox housing 51222 of the gearbox 512 may be fixedly installed on the front axle 12 by screws or the like, or may be installed on the front axle by means of engagement. The front axle 12 is just an example here, and does not limit the present invention.

Because the structure of the first connecting portion 51223 and the second connecting portion 51224 at the contact portion of the gearbox 512 and the front axle 12 provides a hexagonal contact surface, the first connecting portion 51223 and The second connecting portions 51224 can be stably connected to the front axle 12 respectively, so that the gearbox 512 can be stably supported on the front axle 12.

Further, because the gearbox 512 is located between the two front axles 12, there are not many parts arranged around it, which is conducive to the maintenance of the gearbox 512 in the future, and the space occupied by the gearbox 512 It is smaller in order to reduce the size of the entire rice transplanter 1.

Furthermore, the engine 511, the generator 513, at least part of the power distribution unit 52, and the gearbox 512 are all located in the front of the chassis frame 11 of the frame 10, and The engine 511, the generator 513, at least a part of the power distribution unit 52, and the gearbox 512 are centrally arranged to facilitate the reduction of the size of the rice transplanter 1.

Preferably, the first connecting end surface 512211 of the first connecting portion 51223 and the second connecting end surface 512221 of the second connecting portion 51224 are respectively a plane, and the bearing surface of the front bridge 12 is also A plane.

Preferably, the first connection end surface 512211 of the first connection portion 51223 and the second connection end surface 512221 of the second connection portion 51224 have the same size.

Preferably, the two front axles 12 are symmetrically arranged on both sides of the gearbox 512, respectively.

Further, the first connecting end surface 512211 is a hexagon and has a first side, a second side to a sixth side. The first side, the second side, the third side, the fourth side, the fifth side, and the sixth side of the first connecting end surface 512211 are connected in sequence.

The second connecting end surface 512221 is a hexagon and has a first side, a second side to a sixth side. The first side, the second side, the third side, the fourth side, the fifth side, and the sixth side of the second connecting end surface 512221 are connected in sequence.

Preferably, the first side of the first connecting end surface 512211 is parallel to the first side of the second connecting end surface 512221, and both may be located at the same height position.

Further, part of the power from the gearbox 512 is transmitted to the front wheels, and part of the power is transmitted to the rear wheels through the gearbox output shaft 5124 located behind the main body 5121 of the gearbox 512.

In other words, part of the power generated by the engine 511 is transmitted to the gearbox 512, and then transmitted to the four wheels of the walking device 20 through the gearbox 512, and the power generated by the engine 511 The other part is transferred to the generator 513, which can convert mechanical energy into electrical energy and store it in a battery box 62.

The electric energy in the battery box 62 can be supplied to the control device 40 for use. The rice transplanter 1 includes an energy supply device 60, wherein the energy supply device 60 includes an oil tank 61 and the battery box 62, wherein the battery box 62 is electrically connected to the control device 40, the The oil tank 61 is connected to the engine 511 so as to supply oil.

Specifically, the control device 40 includes a control center 41, a steering mechanism 42, a shifting mechanism 43, a clutch mechanism 44, a lifting control mechanism 45, and a braking mechanism, wherein the steering mechanism 42, the The shift mechanism 43, the clutch mechanism 44, the lift control mechanism 45 and the brake structure are respectively controllably connected to the control center 41. Based on the control instructions of the control center 41, the steering mechanism 42, the shift mechanism 43, the clutch mechanism 44, the lift control mechanism 45, and the brake mechanism perform corresponding operations.

It is understandable that the number of the control centers 41 may be multiple to control the steering mechanism 42, the shift mechanism 43, the clutch mechanism 44, and the brake mechanism respectively. It is also possible that one control center 41 controls the steering mechanism 42, the shift mechanism 43, the clutch mechanism 44, the lift control mechanism 45, and the brake mechanism at the same time. Those skilled in the art should understand that this is only an example for illustration and does not limit the present invention.

The steering mechanism 42 is located behind the gearbox 512, and the steering mechanism 42 and the gearbox 512 are compactly arranged between the two front axles 1212.

The shift mechanism 43 is located behind the gearbox 512. Specifically, one end of the shift mechanism 43 is connected to the gearbox 512 and is located on the left side of the gearbox 512.

The clutch mechanism 44 is located behind the gearbox 512. Specifically, one end of the clutch mechanism 44 is connected to the gearbox 512 and is located on the left side of the gearbox 512.

The lifting control mechanism 45 is located behind the gearbox 512.

The lifting control mechanism 45 includes a lifting control valve assembly 451, a lifting control transmission assembly 452, and a lifting power source 453. The lifting control valve assembly 451 is used to control the lifting of the rice planting support 14, and the lifting control The transmission assembly 452 is drivably connected to the lifting power source 453. When the lifting power source 453 outputs power under the command of the control center 41, the lifting control transmission assembly 452 transmits power to control the lifting The opening and closing of the valve assembly 451 is controlled.

The lift control valve assembly 451 is supported by the gearbox 512. The gearbox 512 is located below the lift control valve assembly 451. The lifting control transmission assembly 452 is located between the lifting control valve assembly 451 and the lifting power source 453. Preferably, the lifting control valve assembly 451, the lifting control transmission assembly 452, and the lifting power source 453 are located in a horizontal direction, or in other words, the lifting control valve assembly 451, the lifting control transmission assembly 452 and the lifting power source 453 are located in a horizontal direction. The lifting power source 453 is located in the length direction of the rice transplanter 1.

In this embodiment, the lifting power source 453 is an electric motor, and the battery box 62 is connected to the lifting power source 453 in a power-supply manner.

The control device 40 includes a throttle control mechanism 46, wherein the throttle control mechanism 46 is used to control the throttle. The engine 511511 is connected to the throttle control mechanism 46 in a controllable manner by a throttle, wherein the throttle control mechanism 46 is located behind the gearbox 512.

The throttle control mechanism 46 includes a throttle control wheel 461, a throttle control member 462, and a throttle control power source 463, wherein the throttle control wheel 461 is drivably connected to the throttle control power source 463, the throttle The control member 462 is movably connected to the throttle control wheel 461.

The throttle control member 462 is provided on the engine 511 and used to control the size and opening and closing of the throttle of the engine 511.

The throttle control power source 463 is an electric motor, and the throttle control power source 463 is connected to the battery box 62 in a power-supply manner.

Further, the power transmission unit 53 includes a PTO power transmission shaft 531 and at least one walking power transmission shaft 532, wherein the PTO power transmission shaft 531 is used to transmit power from the gearbox 512 to all In the rice planting operation device 30, the walking power transmission shaft 532 is used to transmit the power from the gearbox 512 to the walking device 20. The PTO power transmission shaft 531 and the walking power transmission shaft 532 are respectively connected to the gearbox 512.

The PTO power transmission shaft 531 and the walking power transmission shaft 532 are respectively connected to the corresponding transmission output shaft 5124 of the transmission 512. It may be that the PTO power transmission shaft 531 is installed in the output port 520 of the first part of the transmission housing 51221 of the transmission housing 5122. The walking power transmission shaft 532 is installed in the output port 520 on the rear side of the second part of the transmission housing 51222 of the transmission housing 5122. In other words, the PTO power output shaft 531 may be the same shaft as the transmission output shaft 5124 corresponding to the transmission 512 that transmits power to the rice planting operation device 30, or it may separate two powers. axis. The walking power transmission shaft 532 may be the same shaft as the transmission output shaft 5124 corresponding to the transmission 512 that transmits power to the rear wheels, or may be separated by two shafts.

For the gearbox output shaft 5124 that transmits power to the two front wheels, it may be the same shaft or two different shafts. If they are two different power shafts, they are preferably installed The transmission output shaft 5124 of the first partial transmission housing 51221 and the transmission output shaft 5124 installed on the second partial transmission housing 51222 are located on the same axis.

The PTO power transmission shaft 531 and a walking power transmission shaft 532 are respectively located behind the gearbox 512, and the PTO power transmission shaft 531 is used to transmit power from the gearbox 512 in the front to the rear The planting operation device 30. The traveling power transmission shaft 532 located behind the gearbox 512 is used to transmit the power from the gearbox 512 in the front to the rear wheels. The PTO power transmission shaft 531 is located on the left side of the traveling power transmission shaft 532 used for transmission between the gearbox 512 and the rear axle 1313.

The steering mechanism 42 includes a steering transmission assembly 421 and a steering power source 422, wherein the steering transmission assembly 421 is drivably connected to the steering power source 422, and the steering transmission assembly 421 is connected to the walking Unit, the walking unit can be steered under the action of the steering transmission assembly 421.

The steering power source 422 is located in a vertical direction, and the steering power source 422 of the shift mechanism 43 and the steering mechanism 42 are respectively located on both sides of the PTO power transmission shaft 531. The battery box 62 is electrically connected to the steering power source 422.

The clutch mechanism 44 includes a clutch transmission assembly 441 and a clutch power source 442, wherein the clutch power source 442 is drivably connected to the clutch transmission assembly 441. The clutch transmission assembly 441 is connected to the transmission and the clutch power source 442 respectively.

The clutch power source 442 of the clutch mechanism 44 is arranged above the PTO power transmission shaft 531. The battery box 62 is electrically connected to the clutch power source.

The shift mechanism 43 includes a shift transmission assembly 431 and a shift power source 432, wherein the shift power source 432 is drivably connected to the shift transmission assembly 431. The shift transmission assembly 431 is connected to the gearbox 512 and the shift power source 432 respectively. The battery box 62 is electrically connected to the shift power source. It is worth noting that through the position arrangement and structural design of the various components of the rice transplanter 1, the rice transplanter 1 can have a smaller size, and can transplant 4 to 7 rows of rice seedlings in a single operation.

According to another aspect of the present invention, the present invention provides a power transmission method of the rice transplanter 1, which includes the following steps:

The gearbox of the rice transplanter 1 outputs power to the two rear wheels through the gearbox output shaft 5124 respectively.

According to an embodiment of the present invention, the power transmission method further includes the following steps:

Power is output to the two rear wheels through the gearbox output shaft 5124.

According to an embodiment of the present invention, the power transmission method further includes the following steps:

Power is output to the rice transplanting device 30 through the gearbox output shaft 5124.

According to an embodiment of the present invention, in the above method, the two front wheels are located on both sides of the gearbox 512 respectively.

According to an embodiment of the present invention, the power transmission method further includes the following steps;

The power generated by the engine 511 is transmitted to the gearbox 512 and the generator 513 respectively.

Those skilled in the art should understand that the above description and the embodiments of the present invention shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been completely and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may have any deformation or modification.

Claims (30)

1. A gearbox housing, characterized by having an input port, a first output port, a second output port, and a third output port, one of the input ports is for installing an input shaft for input power, the first output port and The second output ports are respectively for mounting output shafts that output power to wheels located on both sides of the gearbox housing, and the third output ports are respectively for mounting to output shafts located on the rear or front side of the gearbox housing. The output shaft on which the wheels output power.
2. The gearbox housing according to claim 1, wherein the gearbox housing includes a first part of the gearbox housing and a second part of the gearbox housing, and wherein the first output port is located in the first part of the transmission The box housing and the second output port are located in the second part of the gearbox housing, wherein the third output port and the input port are respectively located in the second part of the gearbox housing.
3. The gearbox housing according to claim 2, wherein the input port and the second output port are formed on the same side.
4. The gearbox housing of claim 2, wherein the input port is located higher than the second output port.
5. The gearbox housing according to claim 2, wherein the third output port is located between the input port and the second output port.
6. 4. The gearbox housing of claim 4, wherein the third output port is located between the input port and the second output port.
7. The gearbox housing according to claim 1, wherein the gearbox housing has a fourth output port, wherein the fourth output port is located in the first part of the gearbox housing, and the fourth output port The orientation is the same as the orientation of the third outlet.
8. The gearbox housing according to claim 4, wherein the gearbox housing has a fourth output port, wherein the fourth output port is located in the first part of the gearbox housing, and the fourth output port The orientation is the same as the orientation of the third outlet.
9. The rice transplanter according to claim 1, wherein the gearbox housing has a first connecting end surface and a second connecting end surface, wherein the first connecting end surface and the second connecting end surface are respectively attached to the front A bearing surface of the bridge, wherein the first connecting end surface and/or the second connecting end surface is a hexagonal surface.
10. The rice transplanter according to claim 4, wherein the gearbox housing has a first connecting end surface and a second connecting end surface, wherein the first connecting end surface and the second connecting end surface are respectively attached to the front A bearing surface of the bridge, wherein the first connecting end surface and/or the second connecting end surface is a hexagonal surface.
11. The rice transplanter according to claim 10, wherein the receiving surface of the front bridge is a hexagonal surface, and the receiving member of the front bridge and the first connecting end surface and the second connecting end surface The same size.
12. The rice transplanter according to claim 11, wherein the gearbox housing protrudes toward both sides to form a first connection portion and a second connection portion, wherein the first connection portion has the first connection The end surface, the second connecting portion has the second connecting end surface.
13. The rice transplanter according to claim 10, wherein the first connecting end surface and/or the second connecting end surface is a flat surface.
14. A gearbox, characterized in that it includes:

    A gearbox body; and

    A gearbox housing, wherein the gearbox housing has an input port, a first output port, a second output port, and a third output port, one of the input ports is for installing an input shaft for inputting power, the first The output port and the second output port are respectively for installing output shafts that output power to wheels located on both sides of the gearbox housing, and the third output port is respectively for installing to the rear side or the rear side of the gearbox housing. The front wheel outputs power output shaft, wherein the transmission main body is accommodated in the accommodation cavity.
15. The gearbox according to claim 14, wherein the gearbox housing includes a first part gearbox housing and a second part gearbox housing, and wherein the first output port is located in the first part gearbox housing The body and the second output port are located in the second part of the gearbox housing, wherein the third output port and the input port are respectively located in the second part of the gearbox housing.
16. The gearbox according to claim 14, wherein the gearbox housing has a fourth output port, wherein the fourth output port is located in the first part of the gearbox housing, and the fourth output port faces The direction of the third outlet is the same. 17. The gearbox according to claim 14, wherein the gearbox housing has a first connecting end surface and a second connecting end surface, wherein the first connecting end surface and the second connecting end surface are respectively attached to the A receiving surface of the front bridge, wherein the first connecting end surface and/or the second connecting end surface is a hexagonal surface.
17. A rice transplanter, characterized in that it includes:

    A frame

    An engine, wherein the engine is mounted on the frame;

    A walking device, wherein the walking device includes two front wheels and two rear wheels, wherein the front wheels and the rear wheels are respectively mounted on the frame;

    A rice transplanting device, wherein the rice transplanting device is mounted on the frame; and

    A gearbox, wherein the walking device and the rice transplanting device are respectively drivably connected to the engine, wherein the power generated by the engine is at least partially transmitted to the gearbox, and the walking device is drivable Ground is connected to the gearbox, wherein the gearbox further includes:

    A gearbox body; and

    A gearbox housing, wherein the gearbox housing has an input port, a first output port, a second output port, and a third output port, one of the input ports is for installing an input shaft for inputting power, the first The output port and the second output port are respectively for installing output shafts that output power to wheels located on both sides of the gearbox housing, and the third output port is respectively for installing to the rear side or the rear side of the gearbox housing. The front wheel outputs power output shaft, wherein the transmission main body is accommodated in the accommodation cavity.
18. The rice transplanter according to claim 18, wherein the gearbox housing includes a first part gearbox housing and a second part gearbox housing, wherein the first output port is located in the first part gearbox housing The body and the second output port are located in the second part of the gearbox housing, wherein the third output port and the input port are respectively located in the second part of the gearbox housing.
19. The rice transplanter according to claim 18, wherein the gearbox housing has a fourth output port, wherein the fourth output port is located in the first part of the gearbox housing, and the fourth output port faces The direction of the third outlet is the same.
20. The rice transplanter according to claim 18, wherein the gearbox housing has a first connecting end surface and a second connecting end surface, wherein the first connecting end surface and the second connecting end surface are respectively attached to the front A bearing surface of the bridge, wherein the first connecting end surface and/or the second connecting end surface is a hexagonal surface.
21. A rice transplanter, characterized in that it includes:

    A frame

    An engine, wherein the engine is mounted on the frame;

    A walking device, wherein the walking device includes two front wheels and two rear wheels, wherein the front wheels and the rear wheels are respectively mounted on the frame;

    A rice transplanting device, wherein the rice transplanting device is mounted on the frame; and

    A gearbox, wherein the walking device and the rice transplanting device are respectively drivably connected to the engine, wherein the power generated by the engine is at least partially transmitted to the gearbox, and each of the walking devices The front wheels are drivably connected to the gearbox, and each of the rear wheels is drivably connected to the gearbox.
22. The rice transplanter according to claim 22, wherein the gearbox includes a gearbox body, a gearbox housing and two gearbox output shafts, the gearbox housing has an accommodation cavity, wherein the gearbox body Are accommodated in the accommodating cavity, wherein each of the gearbox output shafts is respectively driveably connected to the gearbox body, wherein two of the front wheels are respectively driveably connected to one of the gearbox output The two rear wheels are respectively driveably connected to another output shaft of the gearbox.
23. The rice transplanter according to claim 22, wherein the gearbox includes a gearbox body, a gearbox housing and three gearbox output shafts, wherein the gearbox housing has a housing cavity, wherein the gearbox The main body is accommodated in the accommodating cavity, wherein each of the gearbox output shafts is driveably connected to the gearbox body, one of the gearbox output shafts, one of the front wheels output power, and the other The gearbox output shaft outputs power to the other front wheel, and the other gearbox output shaft outputs power to the two rear wheels.
24. 23. The rice transplanter according to claim 23, wherein the gearbox further comprises a gearbox output shaft that outputs power to the rice transplanting device, and the rice transplanting device is drivably connected to the gearbox output shaft.
25. The rice transplanter according to claim 24, wherein the gearbox further comprises a gearbox output shaft that outputs power to the rice transplanting device, and the rice transplanting device is drivably connected to the gearbox output shaft.
26. The rice transplanter according to claim 23, wherein the frame includes a chassis frame, two front axles and two rear axles, wherein the front axle is located at the front of the chassis frame, and the rear axle is located at the At the rear of the chassis frame, the front wheels are mounted on the front axle, the rear wheels are mounted on the rear axle, and the gearboxes are respectively mounted on the two front axles, and the two The front axles are respectively located on both sides of the gearbox.
27. According to claim 24, the frame includes a chassis frame, two front axles and two rear axles, wherein the front axle is located at the front of the chassis frame, and the rear axle is located at the rear of the chassis frame , The front wheel is installed on the front axle, the rear wheel is installed on the rear axle, wherein the gearbox is installed on the two front axles, and the two front axles are respectively located at the The two sides of the gearbox.
28. 27. The rice transplanter according to claim 27, wherein the gearbox housings are respectively installed on the two front axles.
29. A method for power transmission of a rice transplanter is characterized in that it comprises the following steps: a gearbox of a rice transplanter outputs power to at least one wheel of the rice transplanter through a gearbox output shaft respectively.
30. The power transmission method of the rice transplanter according to claim 30, further comprising the step of outputting power to a rice transplanting device of the rice transplanter through the output shaft of the gearbox.

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