CN218616852U - Driving assembly, automatic steering control device and automatic driving equipment - Google Patents

Abstract

The utility model discloses a drive assembly steering control device and autopilot equipment, which comprises an installation shell, the power device of setting in the installation shell, transmission and control circuit board, be formed with mutually independent first cavity in the installation shell, second cavity and third cavity, transmission sets up in first cavity, power device sets up in the second cavity, control circuit board sets up in the third cavity, the chamber wall that power device's output passed the second cavity extends to in the first cavity, and be connected with the transmission, power device's connecting wire passes the chamber wall and the first cavity of second cavity, extend to in the third cavity, be connected with the control circuit board electricity. In the scheme, the first cavity is used for installing the transmission device, the second cavity is used for installing the power device, and the third cavity is used for installing the control circuit board, so that the three cavities form independent spaces respectively, and the internal devices are not interfered with each other.

Description

Driving assembly, automatic steering control device and automatic driving equipment

Technical Field

The application relates to the technical field of driving mechanical structures, in particular to a driving assembly, an automatic steering control device and automatic driving equipment.

Background

With the continuous development of agricultural industry and the continuous improvement of agricultural importance of China, agricultural mechanization has been gradually popularized in parts of China. The traditional mechanized farming needs to consume larger labor cost, and along with the continuous improvement of the labor cost, the automatic driving technology is also applied in the field of agricultural machinery.

The automatic driving system of the existing agricultural machinery, especially a tractor, mainly comprises a vehicle-mounted control computer, a high-precision positioning sensor, an automatic driving steering control device, a steering execution device and the like, wherein the automatic driving steering control device is an important part in the agricultural machinery and is used for controlling the steering operation of the agricultural machinery in the cultivation or harvesting process, so that the operation quality is improved, and the labor intensity of drivers is effectively reduced. The automatic control can save the manpower consumption and reduce the agricultural production cost.

The existing automatic driving steering control device has a complex assembly structure, particularly for the assembly structure of a power device, a transmission device and a control module, the power device, the transmission device and the control module are generally integrally installed in a shell, when one of the power device, the transmission device and the control module breaks down, the whole shell needs to be disassembled, the disassembly difficulty is high, and in addition, large impurities such as dust in the power device and the transmission device easily cause interference failure on electronic devices on the control module.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: there is provided a transmission having a clutch structure capable of solving the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the following technical scheme is adopted in the application:

on one hand, the driving assembly comprises a mounting shell, a power device, a transmission device and a control circuit board, wherein the power device, the transmission device and the control circuit board are arranged in the mounting shell, a first cavity, a second cavity and a third cavity which are mutually independent are formed in the mounting shell, the transmission device is arranged in the first cavity, the power device is arranged in the second cavity, the control circuit board is arranged in the third cavity, the output end of the power device penetrates through the cavity wall of the second cavity, extends into the first cavity and is in transmission connection with the transmission device, and a connecting wire of the power device penetrates through the cavity wall of the second cavity, penetrates through the first cavity, extends into the third cavity and is electrically connected with the control circuit board.

Optionally, the installation casing includes lower casing, last casing and the top cap that sets gradually, down the casing with form between the last casing first cavity, down the casing to the sunken formation in the first cavity second cavity, go up the casing with form between the top cap the third cavity.

Optionally, the device further comprises a rotation detection device, the rotation detection device comprises a hall sensor located on the control circuit board and a magnet arranged on a transmission shaft of the transmission device, and the hall sensor detects the rotation of the transmission shaft by detecting the change of a magnetic field generated by the magnet in the rotation process of the transmission shaft.

Optionally, a mounting hole is formed in the upper shell, the mounting hole is communicated with the first cavity and the third cavity, the transmission shaft is rotatably arranged in the mounting hole, the magnet is arranged at the end, facing the third cavity, of the transmission shaft, and the hall sensor is arranged in the third cavity and corresponds to the position of the magnet.

Optionally, transmission includes first drive assembly and second drive assembly, first drive assembly with power device's output transmission is connected, second drive assembly with first drive assembly transmission is connected, first drive assembly includes the transmission shaft, sets up epaxial second driving medium of transmission and third driving medium, second drive assembly is including installation axle, setting is in install epaxial fourth driving medium, the fourth driving medium with third driving medium transmission is connected, is used for driving the installation rotation of axle, the installation axle is regarded as transmission device's power take off end.

Optionally, a first through hole and a third through hole are formed in the upper shell, a second through hole and a mounting groove are formed in the lower shell, the first through hole and the second through hole are arranged correspondingly, two ends of the mounting shaft are arranged in the first through hole and the second through hole respectively, and two ends of the transmission shaft are arranged in the third through hole and the mounting groove respectively.

Optionally, the power device may further include a clutch device and a microswitch, the clutch device has a first working position and a second working position, the power device may transmit the motion of the clutch device to the output end of the transmission device through the transmission device in the first working position, and the microswitch is configured to detect the working position of the clutch device.

Optionally, the clutch device is disposed in the first cavity, the micro switch includes a trigger portion and a pressing rod, the trigger portion is fixed to the control circuit board, two ends of the pressing rod are respectively disposed in the first cavity and the third cavity, and one end of the pressing rod is selectively abutted to the clutch device, and the other end of the pressing rod selectively contacts the trigger portion according to whether the clutch device is abutted to the trigger portion.

Optionally, the clutch device includes an operating lever extending through the mounting housing to the outside, and the operating lever can control the clutch device to rotate around a hinge shaft between the first working position and the second working position.

Meanwhile, the automatic steering control device is provided with the driving assembly.

On the other hand, the automatic driving equipment is also provided with the automatic steering control device.

The beneficial effect of this application does: through setting up first cavity respectively in this scheme and being used for installing transmission, set up the second cavity and be used for installing power device, set up the third cavity and be used for installing control circuit board for three cavity forms independent space separately, mutual noninterference between each inside device can not lead to the fact the influence to other parts when maintaining one of them, avoids debris such as dust, machine oil in drive arrangement, transmission isotructure to lead to the fact the influence to control circuit board simultaneously.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of the overall structure of the driving assembly of the present invention;

fig. 2 is an exploded view of the drive assembly of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a middle cross-sectional view of the drive assembly of the present invention;

FIG. 5 is a partial enlarged view of one of the FIG. 4 components;

FIG. 6 is a second enlarged partial schematic view of FIG. 4;

fig. 7 is a schematic view of a partial explosion of the drive assembly of the present invention;

fig. 8 is a schematic structural view of the power device of the present invention;

fig. 9 is one of the schematic structural diagrams of the lower housing of the present invention;

fig. 10 is a second schematic view of the lower housing of the present invention;

fig. 11 is one of the schematic structural diagrams of the upper housing of the present invention;

fig. 12 is a second schematic structural view of the upper housing of the present invention;

fig. 13 is a schematic structural view of the top cover of the present invention;

fig. 14 is a schematic structural view of the transmission device of the present invention;

FIG. 15 is a schematic structural view of a synchronizing member according to the present invention;

fig. 16 is a schematic structural view of a second transmission member according to the present invention;

fig. 17 is a schematic structural view of the transmission device of the present invention disposed in the upper housing;

FIG. 18 is an enlarged view of region B of FIG. 17;

fig. 19 is a schematic structural view of the clutch device of the present invention disposed in the lower housing;

FIG. 20 is a schematic view of a clutch member according to the present invention;

fig. 21 is a schematic structural view of a steering column of the present invention;

fig. 22 is a schematic structural view of the connection assembly of the present invention.

In the figure:

1. installing a shell; 11. a lower housing; 12. an upper housing; 121. punching a microswitch; 122. mounting holes; 13. a top cover; 14. a first cavity; 1411. perforating a transmission shaft; 1412. perforating the connecting wire; 15. a second cavity; 16. a third cavity; 2. a power plant; 21. a drive motor; 22. a power mounting plate; 23. a first transmission member; 24. avoiding holes; 25. installing a cover; 3. a transmission device; 31. a first transmission assembly; 311. a drive shaft; 312. a second transmission member; 3121. a clamping groove; 313. a synchronizing member; 3131. clamping the bulges; 314. an elastic member; 315. a third transmission member; 32. a second transmission assembly; 321. a fourth transmission member; 322. installing a shaft; 33. a clutch device; 331. a clutch member; 3311. a guide surface; 3312. a hinge hole; 3313. a connecting plate; 332. a clutch lever; 4. a control module; 41. a control circuit board; 42. a rotation detection device; 421. a Hall sensor; 422. a magnet; 43. a microswitch; 431. a trigger section; 432. a pressing lever; 5. a connecting assembly; 51. a limiting rod; 52. a limiting member; 53. a locking piece; 6. a steering column; 61. a steering shaft; 62. a shaft sleeve.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the embodiments of the present application clearer, the following detailed description of the technical solutions of the embodiments of the present application makes clear that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 22, the present embodiment provides a driving assembly, which includes a mounting housing 1, a power device 2, a transmission device 3, and a control circuit board 41, which are disposed in the mounting housing 1, a first cavity 14, a second cavity 15, and a third cavity 16 that are independent from each other are formed in the mounting housing 1, the transmission device 3 is disposed in the first cavity 14, the power device 2 is disposed in the second cavity 15, the control circuit board 41 is disposed in the third cavity 16, an output end of the power device 2 extends into the first cavity 14 through a cavity wall of the second cavity 15 and is in transmission connection with the transmission device 3, and a connection line of the power device 2 extends into the third cavity 16 through a cavity wall of the second cavity 15 and the first cavity 14 and is electrically connected with the control circuit board 41.

According to the scheme, the first cavity 14 is used for installing the transmission device 3, the second cavity 15 is used for installing the power device 2, and the third cavity 16 is used for installing the control circuit board 41, so that the three cavities form independent spaces respectively, internal devices of the three cavities are not interfered with each other, other parts cannot be influenced when one of the three cavities is maintained, and meanwhile, the control circuit board 41 is prevented from being influenced by dust, engine oil and other sundries in the structures of the driving device, the transmission device 3 and the like.

Specifically, referring to fig. 2 and 4, the mounting housing 1 includes a lower housing 11, an upper housing 12, and a top cover 13, which are sequentially disposed, the first cavity 14 is formed between the lower housing 11 and the upper housing 12, the second cavity 15 is formed by the lower housing 11 sinking into the first cavity 14, and the third cavity 16 is formed between the upper housing 12 and the top cover 13.

Referring to fig. 2, 7 and 8, in the present embodiment, the power device 2 is a driving motor 21, the driving motor 21 is mounted on a power mounting plate 22, a power output shaft and a connection wire of the driving motor 21 extend into the first cavity 14 through a transmission shaft 311 perforation 1411 and a connection wire perforation 1412, respectively, the driving motor 21 is mounted in the second cavity 15 through the power mounting plate 22, a first transmission member 23 is disposed on the power output shaft of the driving motor 21, and the first transmission member 23 is in transmission connection with the transmission device 3.

Referring to fig. 2 and 4, the driving assembly according to this embodiment further includes a rotation detection device 42, where the rotation detection device 42 includes a hall sensor 421 located on the control circuit board 41 and a magnet 422 disposed on the transmission shaft 311 of the transmission device 3, and the hall sensor 421 detects rotation of the transmission shaft 311 by detecting a change in a magnetic field generated by the magnet 422 during rotation of the transmission shaft 311.

Referring to fig. 2, 11 and 12, the upper housing 12 is provided with a mounting hole 122, the mounting hole 122 communicates the first cavity 14 and the third cavity 16, the transmission shaft 311 is rotatably disposed in the mounting hole 122, the magnet 422 is disposed at an end of the transmission shaft 311 facing the third cavity 16, and the hall sensor 421 is disposed in the third cavity 16 at a position corresponding to the magnet 422.

Referring to fig. 3 and 6, the magnet 422 is disposed at the end of the shaft 311, the magnet 422 is perpendicular to the axis of the shaft 311, and when the shaft 311 rotates, the magnet 422 rotates continuously, and the positions of the two poles of the magnet 422 change continuously, thereby causing the change of the magnetic field. The hall sensor 421 is fixed, and when the hall sensor 421 senses the change of the magnetic field, the rotating angle of the magnet 422 can be detected, and the rotating speed of the magnet 422 can be calculated according to the rotating angle and the time. The magnet 422 rotates along with the transmission shaft 311, and the rotation speed and the rotation angle of the magnet 422 reflect the rotation speed and the rotation angle of the transmission shaft 311, so that the rotation of the transmission shaft 311 is detected. It should be noted that the principle of calculating the rotation angle of the magnetic field by using the hall sensor 421 to detect the magnetic field is the prior art, and those skilled in the art can directly apply the rotation angle by combining the existing hall detection technology, and the details of the present application are not repeated.

In the driving assembly of the present embodiment, the power device 2 is connected to the transmission device 3, and the power device 3 can output power to an object to be driven to operate, so as to implement a driving function. The transmission shaft 311 serves as a transmission component in the transmission device 3, and the rotation condition of the driven object can be obtained by detecting the rotation of the transmission shaft 311 and then converting according to the transmission ratio.

The power device 2 is used for driving the transmission device 3 to move, and in order to realize an automatic control function, a control module 4 capable of controlling the operation of the power device 2 needs to be arranged, wherein the control module 4 comprises a control circuit board 41, the power device 2 is connected with the control circuit board 41, and a rotation detection device 42 is connected with the control circuit board 41, so that the control circuit board 41 can control the power device 2 according to rotation information fed back by the rotation detection device 42.

Referring to fig. 7 and 14, the transmission device 3 in this embodiment includes a first transmission assembly 31 and a second transmission assembly 32, the first transmission assembly 31 is in transmission connection with the output end of the power device 2, and the second transmission assembly 32 is in transmission connection with the first transmission assembly 31.

Specifically, first drive assembly 31 includes transmission shaft 311, the setting is in second driving medium 312 and third driving medium 315 on the transmission shaft 311, second drive assembly 32 includes installation axle 322, sets up fourth driving medium 321 on the installation axle 322, fourth driving medium 321 with third driving medium 315 transmission is connected for the drive is installed the axle 322 and is rotated, installation axle 322 is as transmission device 3's power take off end.

Further, the mounting hole 122 includes a first through hole, a third through hole disposed in the upper housing 12, and a second through hole disposed on the lower housing 11, and a mounting groove is further disposed on the lower housing 11, the first through hole and the second through hole are correspondingly disposed, two ends of the mounting shaft 322 are disposed in the first through hole and the second through hole, and two ends of the transmission shaft 311 are disposed in the third through hole and the mounting groove, respectively.

Referring to fig. 3, the hall sensor 421 is disposed in the third cavity 16, the magnet 422 is disposed in the first cavity 14, and the magnet 422 is disposed at the end of the driving shaft 311 by disposing the third through hole, i.e., the magnet 422 is disposed at a position corresponding to the third through hole, so that the hall sensor 421 can normally sense the magnet 422 mounted at the end of the driving shaft 311, and there is no structural blocking interference between the magnet 422 and the hall sensor 421, thereby ensuring a normal detection function.

Further, bearings are provided at both end portions of the transmission shaft 311 and the mounting shaft 322 to rotatably support the transmission shaft 311 and the mounting shaft 322.

Preferably, referring to fig. 17-20, the driving assembly further includes a clutch device 33 and a micro switch 43, the clutch device 33 has a first operating position and a second operating position, the first operating position is a position in which the power device 2 can transmit the motion thereof to the output end of the transmission device 3 through the transmission device 3, and the micro switch 43 is used for detecting the operating position of the clutch device 33.

In particular, with reference to fig. 14 to 17, the clutch device 33 comprises a synchronizing member 313, an elastic member 314 and a clutch member 331, wherein the second transmission member 312 is not directly in transmission connection with the transmission shaft 311, and only realizes selective transmission connection between the synchronizing member 313 and the transmission shaft 311; that is, the synchronous member 313 and the second transmission member 312 are selectively connected in a transmission manner, the elastic member 314 is used for pushing the synchronous member 313 to be engaged with the second transmission member 312, and the clutch member 331 is used for pushing the synchronous member 313 to be disengaged from the second transmission member 312, so that when the first transmission assembly 31 and the second transmission assembly 32 need to be disengaged, the synchronous member 313 is only pushed to be disengaged from the second transmission member 312 by the clutch member 331; when it is necessary to engage the first transmission assembly 31 and the second transmission assembly 32, the elastic element 314 can automatically push the synchronizing element 313 into engagement with the second transmission element 312 by simply removing the pushing force of the clutch element 331.

Referring to fig. 14, the above-mentioned mounting structure of the synchronizing member 313 and the elastic member 314 is that the synchronizing member 313 is mounted on the transmission shaft 311 by a key connection and is located between the second transmission member 312 and the third transmission member 315, that is, the synchronizing member 313 can move axially relative to the transmission shaft 311, the elastic member 314 is sleeved on the transmission shaft 311 and compressed between the synchronizing member 313 and the third transmission member 315, in a natural state, the elastic member 314 pushes the synchronizing member 313 to move toward the second transmission member 312 and make the two engage, at this time, the rotation of the second transmission member 312 drives the synchronizing member 313 to rotate, and further the synchronizing member 313 drives the transmission shaft 311 to rotate. Referring to fig. 15-16, a side of the synchronizing member 313 facing the second transmission member 312 is provided with a latching protrusion 3131, the second transmission member 312 is provided with a latching groove 3121 corresponding thereto, and when the latching protrusion 3131 is inserted into the latching groove 3121, the synchronizing member 313 is engaged with the second transmission member 312.

Referring to fig. 16 to 19, the engagement structure between the clutch member 331 and the synchronizing member 313, the clutch member 331 has a guide surface 3311, a hinge hole 3312, and a connecting plate 3313, the clutch member 331 is rotatably installed in the first cavity 14 through the hinge hole 3312, and the clutch rod 332 penetrates through a sidewall of the installation case 1 and extends into the first cavity 14 to be connected to the connecting plate 3313 of the clutch member 331, so that the clutch member 331 is pushed by the clutch rod 332 to rotate around the hinge hole 3312.

The guiding surface 3311 of the clutch member 331 is an inclined surface, which pushes the synchronizing member 313 away from the second transmission member 312 when the inclined surface moves towards the synchronizing member 313, so as to disengage the synchronizing member 313 from the second transmission member 312. Further, a clutch holder may be provided in the first cavity 14, by which the clutch member 331 may be held in a state of pushing the synchronizing member 313 out of engagement.

In this embodiment, the clutch device 33 is disposed in the first cavity 14, referring to fig. 3, the microswitch 43 includes a trigger portion 431 and a pressing rod 432, the trigger portion 431 is disposed in the third cavity 16 and fixed to the control circuit board 41, two ends of the pressing rod 432 are disposed in the first cavity 14 and the third cavity 16, respectively, and one end of the pressing rod is selectively abutted to the clutch device 33, and the other end of the pressing rod selectively contacts the trigger portion 431 according to whether the clutch device 33 is abutted.

Specifically, the clutch device 33 has a first working position in which the power device 2 can transmit its motion to the output end of the transmission device 3 through the transmission device 3, and a second working position in which the microswitch 43 is used for detecting the working position of the clutch device 33. In particular, in the first operating position, the synchronizing member 313 engages the second transmission member 312, and in the second operating position, the synchronizing member 313 disengages the second transmission member 312.

Referring to fig. 11 and 12, in order to implement the installation of the micro switch 43, a through hole 121 of the micro switch 43 is formed on the upper housing 12, when the micro switch 43 is installed, the micro switch 43 is disposed in the third cavity 16, and a contact end of the micro switch 43 and the clutch device 33 passes through the through hole 121 of the micro switch 43 and extends into the first cavity 14, so as to meet the requirement of the contact between the clutch device 33 and the micro switch 43. The control circuit board 41 can automatically detect the engagement state of the transmission 3 by the sensing of the microswitch 43, thereby realizing the function of automatically judging and controlling the work of the power device 2.

In the first operating position or the second operating position, the clutch device 33 pushes the pressing rod 432 to contact the trigger 431 to trigger the microswitch 43.

Specifically, the trigger portion 431 is installed in the third cavity 16, and the pressing rod 432 passes through the through hole 121 of the micro switch 43 and enters the first cavity 14 to be matched with the clutch device 33. Referring to fig. d, when the clutch member 331 is moved to be in contact with the pressing rod 432, the continuously moving clutch lever 332 pushes the pressing rod 432 to move, thereby activating the micro switch 43.

Preferably, referring to fig. 1 and 17, the clutch device 33 in this embodiment includes an operating rod extending through the mounting housing 1 to the outside, and the operating rod can control the clutch device 33 to rotate around a hinge shaft between the first operating position and the second operating position.

Meanwhile, the embodiment also provides an automatic steering control device which is provided with the driving assembly. Then, the automatic steering control apparatus also has the advantages of the drive assembly described above.

Specifically, in the automatic steering control device of this embodiment, referring to fig. 21, the automatic steering control device further includes a steering column 6, the steering column 6 includes a steering shaft 61 and a shaft sleeve 62, the shaft sleeve 62 is sleeved outside the steering shaft 61, and a mounting shaft 322 of the driving assembly is connected to the steering shaft 61 during application, so that the mounting shaft 322 can drive the steering shaft 61 to rotate, and the automatic driving steering function is realized. Meanwhile, one end of the mounting shaft 322, which is far away from the steering shaft 61, can be connected with a steering wheel, and similarly, the mounting shaft 322 is driven to rotate by rotating the steering wheel, so that the steering shaft 61 can be driven to rotate to realize steering, namely, a manual steering function is realized. To avoid interference of the driving assembly with the manual steering, the synchronizing member 313 and the second transmission member 312 can be disengaged by the clutch device 33 during the manual steering, so that the power unit 2 is not rotated reversely by the rotation of the mounting shaft 322.

In order to realize the installation of the driving assembly, referring to fig. 22, the present embodiment further includes a connecting assembly 5, which includes a limiting rod 51, a limiting member 52 and a locking member 53 connected integrally, the locking member 53 is clamped on the periphery of the shaft sleeve 62 during installation, the installation housing 1 of the driving assembly is installed on the limiting member 52, and two ends of the limiting rod 51 are respectively connected with the limiting member 52 and the locking member 53, so as to realize the support of the driving assembly on the steering column 6. The steering shaft 61 of the steering column 6 is connected to the mounting shaft 322 of the drive unit, so that the automatic steering function driven and controlled by the drive unit can be realized.

On the other hand, the embodiment also provides automatic driving equipment which is provided with the automatic steering control device. Also, it has the advantages of the automatic steering control apparatus described above.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience of description and simplicity of operation, and do not indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.

Claims (11)

1. A driving assembly is characterized by comprising a mounting shell (1), a power device (2) arranged in the mounting shell (1), a transmission device (3) and a control circuit board (41), wherein a first cavity (14), a second cavity (15) and a third cavity (16) which are independent of each other are formed in the mounting shell (1), the transmission device (3) is arranged in the first cavity (14), the power device (2) is arranged in the second cavity (15), the control circuit board (41) is arranged in the third cavity (16), an output end of the power device (2) penetrates through the cavity wall of the second cavity (15) to extend into the first cavity (14) and is in transmission connection with the transmission device (3), and a connecting wire of the power device (2) penetrates through the cavity wall of the second cavity (15) and the first cavity (14), extends into the third cavity (16) and is electrically connected with the control circuit board (41).

2. The drive assembly according to claim 1, characterized in that the mounting housing (1) comprises a lower housing (11), an upper housing (12) and a top cover (13) arranged in sequence, the first cavity (14) is formed between the lower housing (11) and the upper housing (12), the second cavity (15) is formed by the lower housing (11) being recessed into the first cavity (14), and the third cavity (16) is formed between the upper housing (12) and the top cover (13).

3. The drive assembly according to claim 2, further comprising a rotation detection device (42), wherein the rotation detection device (42) comprises a hall sensor (421) on the control circuit board (41) and a magnet (422) arranged on the transmission shaft (311) of the transmission device (3), and the hall sensor (421) detects the rotation of the transmission shaft (311) by detecting the change of the magnetic field generated by the magnet (422) during the rotation of the transmission shaft (311).

4. The driving assembly according to claim 3, wherein a mounting hole (122) is formed in the upper housing (12), the mounting hole (122) communicates the first cavity (14) and the third cavity (16), the transmission shaft (311) is rotatably disposed in the mounting hole (122), the magnet (422) is disposed at an end of the transmission shaft (311) facing the third cavity (16), and the hall sensor (421) is disposed in the third cavity (16) at a position corresponding to the magnet (422).

5. The drive assembly according to claim 3 or 4, wherein the transmission device (3) comprises a first transmission assembly (31) and a second transmission assembly (32), the first transmission assembly (31) is in transmission connection with the output end of the power device (2), the second transmission assembly (32) is in transmission connection with the first transmission assembly (31), the first transmission assembly (31) comprises the transmission shaft (311), a second transmission member (312) arranged on the transmission shaft (311) and a third transmission member (315), the second transmission assembly (32) comprises a mounting shaft (322) and a fourth transmission member (321) arranged on the mounting shaft (322), the fourth transmission member (321) is in transmission connection with the third transmission member (315) for driving the mounting shaft (322) to rotate, and the mounting shaft (322) serves as the power output end of the transmission device (3).

6. The driving assembly according to claim 5, wherein a first through hole and a third through hole are provided in the upper housing (12), a second through hole and a mounting groove are provided on the lower housing (11), the first through hole is provided corresponding to the second through hole, both ends of the mounting shaft (322) are respectively provided in the first through hole and the second through hole, and both ends of the transmission shaft (311) are respectively provided in the third through hole and the mounting groove.

7. The drive assembly according to claim 1, further comprising a clutch device (33) and a microswitch (43), the clutch device (33) having a first operating position in which the power unit (2) can transmit its movement through the transmission (3) to the output of the transmission (3) and a second operating position, the microswitch (43) being adapted to detect the operating position of the clutch device (33).

8. The drive assembly according to claim 7, wherein the clutch device (33) is disposed in the first cavity (14), the microswitch (43) comprises a trigger portion (431) and a pressing rod (432), the trigger portion (431) is fixed to the control circuit board (41), two ends of the pressing rod (432) are respectively located in the first cavity (14) and the third cavity (16), and one end of the pressing rod can be selectively abutted with the clutch device (33) and the other end can be selectively contacted with the trigger portion (431) according to whether the clutch device (33) is abutted or not.

9. The drive assembly according to claim 7, characterized in that said clutch means (33) comprise an operating lever extending externally through said mounting casing (1), said operating lever being able to control the rotation of said clutch means (33) about an articulation axis between said first operating position and said second operating position.

10. An automatic steering control apparatus, characterized by having a drive assembly as claimed in any one of claims 1 to 9.

11. An automatic steering device characterized by having the automatic steering control apparatus according to claim 10.

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