CN210773989U - Rice transplanter non-angle sensor - Google Patents

Rice transplanter non-angle sensor Download PDF

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Publication number
CN210773989U
CN210773989U CN201921735718.XU CN201921735718U CN210773989U CN 210773989 U CN210773989 U CN 210773989U CN 201921735718 U CN201921735718 U CN 201921735718U CN 210773989 U CN210773989 U CN 210773989U
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China
Prior art keywords
steering wheel
encoder
gear
fixed
rice transplanter
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CN201921735718.XU
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Chinese (zh)
Inventor
刘立丹
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Jiaxing Xingyun Navigation Technology Co Ltd
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Jiaxing Xingyun Navigation Technology Co Ltd
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Priority to CN201921735718.XU priority Critical patent/CN210773989U/en
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Abstract

The utility model provides a non-angle sensor of a rice transplanter, which comprises a steering wheel, a driving mechanism for driving the steering wheel to rotate and a transmission measuring component in transmission fit with the steering wheel, wherein the driving mechanism comprises a fixed chassis and a brushless motor arranged on the fixed chassis, and the output end of the brushless motor is in driving connection with the steering wheel; the transmission measuring assembly comprises a large gear, a small gear meshed with the large gear and an encoder installed on the small gear, the large gear is fixedly connected with a steering wheel, the steering wheel drives the small gear to rotate through the large gear, and the encoder acquires the real-time rotating angle position of the motor through the rotating number of turns of the small gear.

Description

Rice transplanter non-angle sensor
Technical Field
The utility model relates to an agricultural machine navigation control technical field, concretely relates to transplanter does not have angle sensor.
Background
In order to improve the agricultural production efficiency, reduce the labor cost and save the time, more and more agricultural products with mechanical and high and new technology investment are provided, wherein the rice transplanter is used for greatly improving the planting speed, releasing a large amount of labor force and saving the time, so that the rice planting area of China is relatively stable under the severe situation that the agricultural working population is sharply reduced, the total output is improved year by year, and the national grain safety is ensured.
Most of the existing rice transplanters use an angle sensor as a core to collect the operation track of the rice transplanters, the angle sensor is usually arranged at the lowest part of a steering column, when the rice transplanters operate in a rice field, water in the rice field may rush into the sensor to damage the sensor to a certain extent, and the used angle sensors are different due to different thicknesses of the steering columns of different vehicle types, so that great inconvenience is brought to installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a non-angle sensor of a rice transplanter, which is characterized in that the sensor comprises a steering wheel, a driving mechanism for driving the steering wheel to rotate and a transmission measuring component in transmission fit with the steering wheel,
the driving mechanism comprises a fixed chassis and a brushless motor arranged on the fixed chassis, and the output end of the brushless motor is in driving connection with the steering wheel;
the transmission measuring assembly comprises a large gear, a small gear meshed with the large gear and an encoder installed on the small gear, the large gear is fixedly connected with a steering wheel, the steering wheel drives the small gear to rotate through the large gear, and the encoder acquires the real-time rotating angle position of the motor through the rotating number of turns of the small gear.
Preferably, a gear upper cover is arranged below the steering wheel, the large gear is rotatably arranged on the gear upper cover, and the gear upper cover is arranged on the fixed chassis.
Preferably, a fixed support is installed below the gear upper cover, and the encoder is installed on the fixed support.
Preferably, the small gear is of a model z20m2.5, and the large gear is of a model z80m 2.5.
Preferably, the encoder is a multi-turn absolute value rotary encoder.
Preferably, the sensor further comprises a display screen and a controller, the encoder transmits the steering wheel rotation signal to the controller, and the controller transmits the encoded information to the display screen, and the display screen displays the instant wheel direction position.
Preferably, the encoder is provided with a shell and a rotating shaft, the encoder is fixed in an inner hole of the pinion through the rotating shaft of the encoder, the shell of the encoder is fixed with the fixing support through screws, the gear upper cover is fixed with the fixing chassis through screws, and the fixing chassis is fixed with the brushless motor through screws.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a transplanter does not have angle sensor, adopts gear drive to make the encoder acquire the mode of the real-time pivoted angular position of electric motor rotor, and its gear module only comprises 2 gears, simple structure, and convenient assembling can realize the many rings rotary encoder of big number of circles measuring to transmission power loss does not hardly.
Drawings
Fig. 1 and fig. 2 are schematic structural diagrams of a sensor provided by the present invention;
fig. 3 is an assembly diagram of the sensor provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The embodiment of the utility model provides a transplanter does not have angle sensor, this sensor includes steering wheel, the rotatory actuating mechanism of drive steering wheel and with the transmission measuring assembly of steering wheel transmission complex, actuating mechanism includes fixed chassis and the brushless motor who installs on fixed chassis, the output of brushless motor is connected with the steering wheel drive;
the transmission measuring assembly comprises a large gear, a small gear meshed with the large gear and an encoder arranged on the small gear, the large gear is fixedly connected with a steering wheel, the steering wheel drives the small gear to rotate through the large gear, and the encoder obtains the real-time rotating angle position of the motor through the rotating number of turns of the small gear;
in the embodiment, the sensor comprises a 14-hour steering wheel 1, a gear upper cover, a pinion 3, a fixed bracket 4, an encoder 5, a gearwheel 6, a brushless motor 7 and a fixed chassis 8;
specifically, the encoder 5 of the angle-free sensor for the rice transplanter is fixed in an inner hole of a small gear 3 through a rotating shaft of the encoder, the small gear 3 is meshed with a large gear 6, the encoder is fixed with a fixing support 4 through screws, the large gear 6 is rotatably connected with an upper gear cover 2, the upper gear cover is fixed with a fixing chassis 8 through screws, the fixing chassis 8 is fixed with a brushless motor 7 through screws, and a rotor of the brushless motor 7 is fixed with a steering wheel; therefore, the rotation of the motor can drive the rotating shaft in the encoder to rotate through the gear module;
it is understood that the encoder is fixedly connected with the fixed bracket through an outer shell;
alternatively, the pinion gear is of a model z20m2.5 (tooth number 20, module 2.5), the bull gear is of a model z80m2.5 (tooth number 80, module 2.5), the pinion gear and the bull gear are connected together in a meshing mode, and the gears are in a transmission mode of a variable ratio gear relationship, and the rotating speed ratio of the gears is 1: 4. The load of multi-stage transmission is a product relation, the gear transmission stage number in the invention is 1 stage, so the load of a driving gear is reduced, the structure is simple, the high-speed rotation is facilitated, and the precision measurement and the large-circle number measurement are realized.
Specifically, the encoder is a multi-turn absolute value rotary encoder fixed in an inner hole of the pinion. The rotor of the motor is used for being connected with a steering wheel rotating shaft to control the rotating angle of the steering wheel, the large gear drives the small gear to rotate along with the rotation of the steering wheel, the encoder fixed on the small gear obtains the real-time rotating angle position of the motor rotor through the rotating number of turns of the small gear and transmits the angle position to a microprocessor of a vehicle, and the processor analyzes and resolves the obtained positioning angle information and sends out related instructions to realize the automatic driving of the rice transplanter.
Specifically, the multi-turn rotary encoder can record not only the numerical value corresponding to each angle in one turn, but also several turns of rotation. The multi-turn encoder has the other advantage that the actual use is more abundant due to the large measuring range, so that the zero point is unnecessarily found in the installation, and a certain middle position is taken as a starting point, thereby greatly simplifying the installation and debugging difficulty.
The sensor provided by the utility model also comprises a display screen and a controller, and the invention is realized by an encoder and a gear
The shaft is in butt joint, gears are in meshing transmission, so that the encoder transmits a steering wheel rotation signal to the controller, the controller transmits encoding information to the display screen, the display screen displays the wheel direction position in real time, and the controller sends a command to control the motor to steer according to the measured current posture of the rice transplanter, corrects the running deviation in real time, and accordingly achieves automatic driving of the rice transplanter.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A non-angle sensor of a rice transplanter is characterized by comprising a steering wheel, a driving mechanism for driving the steering wheel to rotate and a transmission measuring assembly in transmission fit with the steering wheel,
the driving mechanism comprises a fixed chassis and a brushless motor arranged on the fixed chassis, and the output end of the brushless motor is in driving connection with the steering wheel;
the transmission measuring assembly comprises a large gear, a small gear meshed with the large gear and an encoder installed on the small gear, the large gear is fixedly connected with a steering wheel, the steering wheel drives the small gear to rotate through the large gear, and the encoder acquires the real-time rotating angle position of the motor through the rotating number of turns of the small gear.
2. The rice transplanter non-angle sensor according to claim 1, wherein a gear upper cover is arranged below the steering wheel, the gearwheel is rotatably mounted on the gear upper cover, and the gear upper cover is mounted on the fixed chassis.
3. The angle-less sensor of a rice transplanter as claimed in claim 2, wherein a fixed bracket is installed below said gear upper cover, and said encoder is installed on said fixed bracket.
4. The rice transplanter non-angle sensor according to claim 1, wherein the pinion model is z20m2.5, and the bull model is z80m2.5.
5. The rice transplanter angle-less sensor of claim 1, wherein the encoder is a multi-turn absolute rotary encoder.
6. The rice transplanter non-angle sensor according to claim 1, further comprising a display and a controller, wherein the encoder transmits a steering wheel rotation signal to the controller, and the controller transmits encoded information to the display, and the display displays the instantaneous wheel direction position.
7. The angle sensor of the rice transplanter as claimed in claim 3, wherein the encoder has a housing and a rotating shaft, the encoder is fixed in the inner hole of the pinion through the rotating shaft, the housing of the encoder is fixed with the fixing bracket through screws, the gear upper cover is fixed with the fixing chassis through screws, and the fixing chassis is fixed with the brushless motor through screws.
CN201921735718.XU 2019-10-16 2019-10-16 Rice transplanter non-angle sensor Active CN210773989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921735718.XU CN210773989U (en) 2019-10-16 2019-10-16 Rice transplanter non-angle sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921735718.XU CN210773989U (en) 2019-10-16 2019-10-16 Rice transplanter non-angle sensor

Publications (1)

Publication Number Publication Date
CN210773989U true CN210773989U (en) 2020-06-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921735718.XU Active CN210773989U (en) 2019-10-16 2019-10-16 Rice transplanter non-angle sensor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111806557A (en) * 2020-07-31 2020-10-23 上海联适导航技术有限公司 Absolute value encoder steering control motor
CN113401217A (en) * 2021-01-06 2021-09-17 丰疆智能(深圳)有限公司 Steering control method for automatic driving and steering wheel steering unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111806557A (en) * 2020-07-31 2020-10-23 上海联适导航技术有限公司 Absolute value encoder steering control motor
CN113401217A (en) * 2021-01-06 2021-09-17 丰疆智能(深圳)有限公司 Steering control method for automatic driving and steering wheel steering unit

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