CN218678718U

CN218678718U - Agricultural machinery driving motor

Info

Publication number: CN218678718U
Application number: CN202223041051.8U
Authority: CN
Inventors: 孙明灿; 赵一泉; 赵烁宇
Original assignee: Shandong Kaiou Motor Technology Co ltd
Current assignee: Shandong Kaiou Motor Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-21
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to an agricultural machinery motor drive field, and an agricultural machinery driving motor is disclosed, rotate through the pivot, other part will follow-up, the magnetic signal that hall element on the semicircle circuit board will sense the magnetic sheet on the three pinion automatically in the back cover shell sent, the signal is again through waterproof wire outlet mouth, the encoder pencil passes back control system (the control panel who indicates agricultural machinery), thereby the rotational speed and the phase place (the angle) of perception motor, can realize the arbitrary angle of control motor rotation from this, because we adopt gear N +1, gear N +2, gear N + 3's the slight difference in number of teeth, through signal amplification, the system just can be accurate know the position of agricultural machinery barrel this moment, just so can confirm the current phase place (the angle) of motor, thereby realize according to the angle control motor, the device has reduced the space, convenient operation during the installation, be convenient for after-sale maintenance and change.

Description

Agricultural machinery driving motor

Technical Field

The utility model relates to an agricultural machinery motor drive field specifically is an agricultural machinery driving motor.

Background

The agricultural machinery driving motor is widely applied to a ' grain unloading motor (grain unloading barrel steering motor) ' threshing clutch ', ' header clutch ', ' grain unloading clutch ', ' parking clutch ', a returning machine, a peanut machine, a corn machine, a semi-feeding and other agricultural machinery driving control systems in agricultural machinery, and particularly relates to N kinds of grain unloading motors (integrated control type) and N kinds of clutch motors (integrated control type).

According to the literature, the existing direct-current permanent magnet speed reduction motor is found to have the problems that due to the fact that structures such as carbon brushes and a commutator are adopted, the carbon brushes are often plugged, the motor does not rotate, an encoder fails, the failure rate is high, or deviation occurs in the angle of a gun barrel of an agricultural machine, the clutch motor does not act, the problems that replacement is often needed, gold seed robbing and harvesting time of farmers is delayed are solved, the motor is large in size, large in occupied space, not beneficial to installation and maintenance in narrow space, high in cost and the like, and therefore an agricultural machine driving motor is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an agricultural machinery driving motor has solved foretell problem to prior art not enough.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an agricultural machinery driving motor comprises a reduction gearbox assembly and a brushless motor, wherein the reduction gearbox assembly and the brushless motor are connected together through a connecting disc, a second screw and a first screw;

the rear part of the brushless motor is provided with a triangular gear box and a signal transmission assembly;

the brushless motor comprises a stator, a rotor and a rear end cover, wherein the rotor penetrates through the stator, two ends of the rotor, which penetrate through the stator, are respectively connected with a connecting disc and the rear end cover through a connecting bearing, and the connecting disc and the rear end cover are respectively arranged on two sides of the stator;

the reduction box assembly comprises a fixed gear ring, an O-shaped ring, a movable gear ring, a fluted disc, a bearing, an oil seal, an output shaft and a front end cover, wherein the fixed gear ring is arranged at the front end of a connecting disc, the front end cover is connected in front of the fixed gear ring, the movable gear ring (3) is arranged between the front end cover (11) and the fixed gear ring (1), the O-shaped ring (2) is arranged between the fixed gear ring (1) and the front end cover (11), the front end cover is provided with the output shaft rotating through the bearing and the oil seal, the fluted disc is assembled on the inner wall of the movable gear ring, the tail end of the output shaft is fixedly connected with the fluted disc, and planet wheels used for transmitting kinetic energy are assembled inside the fixed gear ring, the movable gear ring and the fluted disc through a clamping plate assembly.

Preferably, the splint combination is including round pin axle and splint, and the planet wheel alternates at selling epaxial, and the both ends of round pin axle have all cup jointed the connection bearing, and the planet wheel assembly is selling epaxial at the axle, and the both ends of planet wheel all are equipped with a splint, the splint of both sides respectively with connection pad and the fluted disc next-door neighbour that corresponds. Preferably, the planet gears are provided with three groups, the planet gears are meshed with the movable gear ring by using half of the tooth length and simultaneously meshed with the fixed gear ring by using half of the tooth length, and the tooth number of the movable gear ring is three teeth less than that of the fixed gear ring.

Preferably, the triangular gear box includes the triangular box body, N +1 gear, N +2 gear and N +3 gear, install N +1 gear, N +2 gear and N +3 gear on the three centre bore in the triangular box body respectively, bearing MR is installed respectively at the both ends of N +1 gear, N +2 gear and N +3 gear, install the triangular box lid on the triangular box body, the terminal magnetic sheet that is used for with signal transmission assembly complex is all installed to N +1 gear, the terminal flat and N +1 gear connection of milling of rotor, N +1 gear and N +2 gear engagement, N +1 gear and N +3 gear engagement.

Preferably, the number of teeth on the N +2 gear is one more than that of the N +1 gear, and the number of teeth on the N +3 gear is one more than that of the N +2 gear.

Preferably, the signal transmission assembly comprises a rear cover shell, an aluminum substrate, a hexagonal copper column, a semicircular circuit board, a hall element and a screw four which are arranged at the tail end of the rear end cover through a screw three, the aluminum substrate is fixedly arranged in a screw hole in the rear cover shell through the hexagonal copper column, the semicircular circuit board is fixedly arranged on the hexagonal copper column through the screw four, the semicircular circuit board is provided with three hall elements, the three hall elements are respectively opposite to the centers of the three magnetic sheets in pairs, and the distance between the three hall elements and the center of the three magnetic sheets is from zero five millimeters to one point five millimeters.

Preferably, a waterproof wire outlet nozzle, a cable, a two-wire plug and a nine-pin plug which are used for outputting signals to a control panel of the agricultural machinery system are installed on the rear cover casing.

(III) advantageous effects

Compared with the prior art, the utility model provides an agricultural machinery driving motor possesses following beneficial effect:

1. this agricultural machinery driving motor, rotate through the pivot, other parts will follow-up, the magnetic signal that the magnetic sheet on the semicircular circuit board sent will be sensed automatically to the hall element on the housing, the signal is again through waterproof wire outlet mouth, the encoder pencil passes back control system (the control panel who indicates agricultural machinery), thereby the rotational speed and the phase place (the angle) of perception motor, can realize the rotatory arbitrary angle of control motor from this, because we adopt gear N +1, gear N +2, gear N + 3's the slight difference of number of teeth, through signal amplification, the position of agricultural machinery barrel this moment of knowing that the system just can be accurate, just so can confirm the current phase place (the angle) of motor, thereby the realization is according to the angle control motor, the device has reduced the space, convenient operation during the installation, be convenient for after-sale maintenance and change.

2. When the motor stator is electrified, the rotor is driven to rotate through the magnetic field, the sun gear at the front end of the rotor drives the planetary gear combination to rotate circularly between the sun gear and the fixed gear ring, and the movable gear ring is meshed with the fixed gear ring and is less than the fixed gear ring by 3 teeth (3 teeth difference) because the planetary gear is meshed with the movable gear ring and the fixed gear ring at the same time, so that the speed difference is generated, and the aim of reducing the speed of the output shaft is fulfilled. The purpose of speed reduction can also be realized through planetary gear (one, two, tertiary, according to concrete needs), in a word, through such mode improve the simplicity and convenience of carrying out installation operation when using, reduced traditional gear motor's noise, it is big to realize the speed reduction ratio, performance such as moment of torsion height, the fault rate is low, takes the load to open and stop the experiment and exceed 3 ten thousand times.

Drawings

FIG. 1 is a schematic view of the rear cover of the present invention;

FIG. 2 is a schematic sectional view taken along line B-B in FIG. 1;

FIG. 3 is a schematic view of a stator of the agricultural machinery driving motor of the present invention;

FIG. 4 is a schematic cross-sectional view F-F of FIG. 3;

fig. 5 is a schematic view of a rotor according to the present invention;

fig. 6 is a schematic side view of a rotor according to the present invention;

fig. 7 is a schematic view of the rear cover of the present invention;

FIG. 8 is a schematic cross-sectional view of C-C of FIG. 7;

fig. 9 is a schematic structural view of the brushless motor of the present invention;

FIG. 10 is a schematic cross-sectional view D-D of FIG. 9;

FIG. 11 is a schematic view of the reduction box of the present invention;

FIG. 12 isbase:Sub>A schematic sectional view A-A of FIG. 11;

fig. 13 is a schematic view of the front end cap of the present invention;

fig. 14 is a schematic cross-sectional view of the front end cover of the present invention;

fig. 15 is a schematic view of the rear end cap of the present invention;

fig. 16 is a back view of the rear end cap of the present invention;

fig. 17 is a schematic view of the fixed gear ring of the present invention;

FIG. 18 is a schematic cross-sectional view of the fixed ring gear;

FIG. 19 is a schematic cross-sectional view of the moving ring gear;

FIG. 20 is a schematic view of the moving ring gear;

FIG. 21 is a schematic view of the triangular box of the present invention;

FIG. 22 is a schematic cross-sectional view F-F of FIG. 21;

FIG. 23 is a schematic sectional view taken along line G-G in FIG. 21;

fig. 24 is a schematic of a planet;

fig. 25 is a schematic cross-sectional view of a planet;

FIG. 26 is a front and side elevational view of the chainring;

FIG. 27 is a schematic illustration of a connection pad;

FIG. 28 is a schematic cross-sectional view E-E of FIG. 27.

In the figure: 1. fixing a gear ring; 2. an O-shaped ring; 3. a movable gear ring; 4. a planet wheel; 5. a pin shaft; 6. a splint; 7. a fluted disc; 8. a bearing; 9. oil sealing; 10. an output shaft; 11. a front end cover; 12. a first screw; 13. a connecting disc; 14. a stator; 15. a rotor; 16. a rear end cap; 17. a second screw; 18. a third screw; 19. a rear housing; 20. an aluminum substrate; 21. a hexagonal copper cylinder; 22. a semicircular circuit board; 23. a Hall element; 24. a fourth screw; 25. a magnetic sheet; 26. a triangular box cover; 27. an N +1 gear; 28. an N +2 gear; 29. an N +3 gear; 30. a triangular box body; 31. a bearing MR; 32. a waterproof wire outlet nozzle; 33. two wire plugs; 34. a cable wire; 35. a nine-pin plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-28, an agricultural machinery driving motor is disclosed, which includes:

after the motor stator 14 is electrified, the rotor 15 is driven to rotate through the magnetic field, the sun wheel at the front end of the rotor 15 drives the planet wheel 4 to combine with the fixed gear ring 1 and the movable gear ring 3 to rotate circularly, and because the planet wheel 4 is meshed with the movable gear ring 3 (with 1/2 of the tooth length) and is meshed with the fixed gear ring 1 (with 1/2 of the tooth length), the tooth number of the movable gear ring 3 is 3 less than that of the fixed gear ring 1, the speed difference is generated between the movable gear ring 3 and the fixed gear ring 1, the movable gear ring 3 is provided with the fluted disc 7, the fluted disc 7 is provided with the output shaft 10, and the purpose of reducing the speed of the output shaft 10 is further realized. And a delta gearbox is connected to the end of the rotor 15.

The triangular gear box comprises a triangular box body 30, an N +1 gear 27, an N +2 gear 28, an N +3 gear 29 and a triangular box cover 26, wherein an N +1 gear 27, an N +2 gear 28, an N +3 gear 29, an N +1 gear 27, an N +2 gear 28 and an N +3 gear 29 are respectively arranged on three central holes in the triangular box body 30, two ends of the N +1 gear 27, the N +2 gear 28 and the N +3 gear 29 are respectively provided with a bearing MR31, the triangular box cover 26 is installed after being filled with gear oil, the triangular box body 30 is fixed on a rear end cover 16 at the tail part of the brushless motor by using countersunk head screws, small magnetic sheets 25 are respectively adhered at the tail ends of the N +1 gear 27, the N +2 gear 28 and the N +3 gear 29, and the milling flat at the tail end of a rotor 15 is used for driving the N +1 gear 27 to rotate, because the N +1 gear 27 is a driving wheel, the magnetic control device is meshed with an N +2 gear 28 and an N +3 gear 29 respectively, namely the N +1 gear 27 drives the N +2 gear 28 and the N +3 gear 29 to rotate respectively, but the N +2 gear 28 and the N +3 gear 29 are not connected, or the N +1 gear 27 is in single-line connection with the N +2 gear 28, the N +1 gear 27 is in single-line connection with the N +3 gear 29, and the adhered magnetic sheet senses slight changes on signals caused by different tooth numbers when the N +1 gear 27, the N +2 gear 28 and the N +3 gear 29 rotate through a Hall element 23 on a semicircular circuit board 22 which is 1mm away from the end face of the magnetic sheet, so that the aim of accurately controlling the angle of a motor is achieved through magnetic signals transmitted back to the system, and the angle control error is about 0.2 degrees.

N +1, N +2 and N +3 are the numbers of teeth on the first gear 27, the second gear 28 and the third gear 29, N is the base number of the teeth of the first gear, the number of teeth of the first gear 27 is increased by one tooth on the base number, the number of teeth of the second gear 28 is increased by two teeth on the base number, and the number of teeth of the third gear 29 is increased by three teeth on the base number.

The output shaft 10 is provided with a shaft stopper, then the shaft stopper is pressed into the fluted disc 7 together, the combination is arranged in a hole of the front end cover 11, one end of the output shaft is outward, the bearing 8 is arranged by a special tool, the same bearing 8 is pressed after the hole stopper is arranged, and finally an oil seal 9 is pressed.

The movable gear ring 3 is continuously arranged in the front end cover 11, the inner teeth of the movable gear ring are meshed with the outer teeth of the fluted disc 7, the O-shaped ring 2 and the fixed gear ring 1 are continuously arranged, and finally the clamping plate combination is arranged.

The clamp plate combination mainly comprises pin shafts 5, wherein each of two ends of each pin shaft 5 is sleeved with a 208 bearing, the upper planet wheels 4 are installed, then two clamp plates 6 are installed at two ends of each planet wheel 4, and finally the two clamp plates are tightened by screws, and the number of the planet wheels is 3.

The brushless motor comprises a stator 14, a rotor 15 and a rear end cover 16, wherein the rotor 15 penetrates through the stator 14, two ends of the rotor 15, which penetrate through the stator 14, are respectively connected with a connecting disc 13 and the rear end cover 16 through connecting bearings, and the connecting disc 13 and the rear end cover 16 are respectively arranged on two sides of the stator 14.

The rear part of the brushless motor is provided with a triangular gear box and a signal transmission assembly, the triangular gear box mainly comprises a triangular box body 30, three central holes in the triangular box body 30 are respectively provided with an N +1 gear 27, an N +2 gear 28 and an N +3 gear 29, two ends of each pinion are respectively provided with a bearing MR31, a triangular box cover 26 is arranged after gear oil is filled, the triangular box body 30 is fixed on a rear end cover 16 at the tail part of the brushless motor by using countersunk head screws, the tail end of each pinion is respectively adhered with a small magnetic sheet 25, and the flat end of a rotor 15 is used for driving the N +1 gear 27 to rotate.

The signal transmission assembly: 3 hexagonal copper posts 21 are used for installing the aluminum substrate 20 on 3 screw holes of the rear housing 19, three holes of the semicircular circuit board 22 are aligned and then tightened on the hexagonal copper posts 21 by screws, and the geometric centers of three Hall elements on the semicircular circuit board 22 respectively correspond to the centers of the three magnetic sheets 25, are opposite to each other in pairs, and have a distance of 0.5-1.5 mm. And tightening the rest hole on the aluminum substrate by using a screw.

The rear housing 19 is provided with a waterproof wire outlet nozzle 32, a cable 34, a motor connector 33 and a signal connector 35, and the connectors output signals to a control panel (controller) of an agricultural machinery system, so that fine and precise angle measurement and control are realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An agricultural machinery driving motor is characterized by comprising a reduction gearbox assembly and a brushless motor, wherein the reduction gearbox assembly and the brushless motor are connected together through a connecting disc (13), a screw II (17) and a screw I (12);

the brushless motor comprises a stator (14), a rotor (15) and a rear end cover (16), wherein the rotor (15) penetrates through the stator (14), the two ends of the rotor (15) penetrating through the stator (14) are respectively connected with a connecting disc (13) and the rear end cover (16) through connecting bearings, and the connecting disc (13) and the rear end cover (16) are respectively arranged on the two sides of the stator (14);

the reduction gearbox assembly comprises a fixed gear ring (1), an O-shaped ring (2), a movable gear ring (3), a fluted disc (7), a bearing (8), an oil seal (9), an output shaft (10) and a front end cover (11), wherein the fixed gear ring (1) is arranged at the front end of a connecting disc (13), the front end cover (11) is connected in front of the fixed gear ring (1), the movable gear ring (3) is arranged between the front end cover (11) and the fixed gear ring (1), the O-shaped ring (2) is arranged between the fixed gear ring (1) and the front end cover (11), the output shaft (10) which rotates through the bearing (8) and the oil seal (9) is installed on the front end cover (11), the fluted disc (7) is assembled on the inner wall of the movable gear ring (3), the tail end of the output shaft (10) is fixedly connected with the fluted disc (7), and the interiors of the fixed gear ring (1), the movable gear ring (3) and the fluted disc (7) are assembled with a planet wheel (4) for transmitting kinetic energy through a clamp plate combination.

2. The agricultural machine drive motor of claim 1, wherein: the splint combination includes round pin axle (5) and splint (6), and planet wheel (4) alternate on round pin axle (5), and the both ends of round pin axle (5) have all cup jointed the connection bearing, and planet wheel (4) assembly is on round pin axle (5), and the both ends of planet wheel (4) all are equipped with one splint (6), splint (6) of both sides respectively with connection pad (13) and fluted disc (7) next-door neighbour that correspond.

3. The agricultural machine drive motor of claim 2, wherein: the planet gears (4) are provided with three groups, the planet gears (4) are meshed with the movable gear ring (3) by using one half of tooth length and simultaneously meshed with the fixed gear ring (1) by using one half of tooth length, and the tooth ratio of the movable gear ring (3) is less than that of the fixed gear ring (1) by three teeth.

4. The agricultural machine drive motor of claim 1, wherein: the triangular gear box comprises a triangular box body (30), an N +1 gear (27), an N +2 gear (28) and an N +3 gear (29), wherein the three center holes in the triangular box body (30) are respectively provided with the N +1 gear (27), the N +2 gear (28) and the N +3 gear (29), the two ends of the N +1 gear (27), the N +2 gear (28) and the N +3 gear (29) are respectively provided with a bearing MR (31), the triangular box body (30) is provided with a triangular box cover (26), the N +1 gear (27), the N +2 gear (28) and the N +3 gear (29) are respectively provided with a magnetic sheet (25) matched with a signal transmission assembly, the tail end of a rotor (15) is milled flat and is connected with the N +1 gear (27), the N +1 gear (27) is meshed with the N +2 gear (28), and the N +1 gear (27) is meshed with the N +3 gear (29).

5. The agricultural machine drive motor of claim 4, wherein: the number of teeth on the N +2 gear (28) is one more than that of the N +1 gear (27), and the number of teeth on the N +3 gear (29) is one more than that of the N +2 gear (28).

6. The agricultural machine drive motor of claim 4, wherein: the signal transmission assembly comprises a rear cover shell (19) installed at the tail end of a rear end cover (16) through a third screw (18), an aluminum substrate (20), a hexagonal copper column (21), a semicircular circuit board (22), hall elements (23) and a fourth screw (24), the aluminum substrate (20) is fixedly installed in a screw hole in the rear cover shell (19) through the hexagonal copper column (21), the semicircular circuit board (22) is fixedly installed on the hexagonal copper column (21) through the fourth screw (24), the semicircular circuit board (22) is provided with the three Hall elements (23), the three Hall elements (23) are opposite to the centers of the three magnetic sheets (25) in pairs respectively, and the distance between the three Hall elements and the three magnetic sheets is between five millimeters at zero point and five millimeters at one point.

7. The agricultural machine drive motor of claim 6, wherein: and a waterproof wire outlet nozzle (32), a cable wire (34), a two-wire plug (33) and a nine-pin plug (35) which are used for outputting signals to a control panel of the agricultural machinery system are arranged on the rear cover shell (19).