CN209930880U - Synchronous control device of no-tillage combined seed and fertilizer drill - Google Patents
Synchronous control device of no-tillage combined seed and fertilizer drill Download PDFInfo
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- CN209930880U CN209930880U CN201920033357.8U CN201920033357U CN209930880U CN 209930880 U CN209930880 U CN 209930880U CN 201920033357 U CN201920033357 U CN 201920033357U CN 209930880 U CN209930880 U CN 209930880U
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Abstract
The utility model discloses a synchronous control device of a no-tillage combined seed and fertilizer drill, a satellite antenna is fixedly arranged at the left side position of the upper part of a ceiling, a precision positioning module is fixedly arranged at the right side position of the satellite antenna, and a controller is fixedly arranged at the front side position of a steering wheel of a tractor operating room; the proximity switch mounting rack is fixedly arranged on the side wall of the upper part of the rear side of the tractor, and the proximity switch penetrates through a mounting hole of the proximity switch mounting rack and is fixed at the position of the right end of the proximity switch mounting rack; the synchronous motor is fixedly arranged at the inner side of the lower part of the left side of the seed box driving wheel. The synchronous control device of the no-tillage combined seed and fertilizer drill improves the land utilization rate, avoids the problem of small seeding quantity caused by inaccurate seeding quantity, avoids the yield reduction caused by over-dense plant number of crops, can realize precise quantity and uniformity of a fertilizer applying machine, avoids fertilizer waste and uneven fertilizer application, saves cost, increases production and income.
Description
Technical Field
The utility model belongs to the technical field of no-tillage combined seed and fertilizer drill's synchro-control detects, concretely relates to no-tillage combined seed and fertilizer drill's synchro-control device.
Background
The protective cultivation is a new agricultural technology for directly fertilizing and seeding on crop stubbles which are not cultivated, the crop stubbles are covered by the protective cultivation, evaporation of surface moisture can be reduced, the water storage function of soil is enhanced, the effects of resisting drought and preserving soil moisture are achieved, organic matters of the soil are enhanced, and the growth of crops can be promoted under the same fertilizing amount. The realization of protective cultivation needs an excellent no-tillage fertilizing and seeding machine as a matching, which can improve the production efficiency, reduce the cultivation links of crops and improve the yield and efficiency of the crops.
Through continuous research and development and technological innovation, the no-tillage fertilizing and seeding machine in the prior art is greatly improved in the aspect of precision seeding and fertilizing; but the main problem exists at present is that the power for controlling the seeding and fertilizing of the no-tillage fertilizing and seeding machine mainly drives the rotation of the land wheel through the tractor as the power, so that the advancing speed of the no-tillage fertilizing and seeding machine is higher than the rotating speed of the land wheel, the advancing speed of the no-tillage fertilizing and seeding machine is asynchronous with the rotating speed of the seeding and fertilizing of the no-tillage fertilizing and seeding machine, and the precision seeding and fertilizing of the no-tillage fertilizing and seeding machine are directly influenced; the inventor develops a synchronous control device of a no-tillage combined seed and fertilizer drill based on the defects in the prior art, and can well solve the technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a synchronous control device of a no-tillage combined seed and fertilizer drill, which is simple, scientific and reasonable in structural design and realizes the synchronization of the rotation speed of combined seed and fertilizer of the no-tillage combined seed and fertilizer drill and the advancing speed of a tractor; the utility model discloses utilize GNSS (global navigation satellite system) high accuracy orientation module to calculate seeding machinery advancing speed, according to no-tillage combined seed and fertilizer drill's advancing speed, through controller control synchronous machine's rotational speed, utilize synchronous machine control no-tillage combined seed and fertilizer drill's fertilizing and seeding power speed, adjust the fertilizing and seeding power speed of no-tillage combined seed and fertilizer drill and the advancing speed of no-tillage combined seed and fertilizer drill in real time simultaneously, realize its synchronization.
The utility model adopts the technical proposal that: a synchronous control device of a no-tillage combined seed and fertilizer drill comprises a tractor, a ceiling, a suspension bracket, a no-tillage combined seed and fertilizer drill and a fixed connecting bracket; the tractor is fixedly arranged at the front side of the no-tillage combined seed and fertilizer drill, the ceiling is fixedly arranged at the upper part of an operating room of the tractor, and the suspension bracket is fixedly arranged at the longitudinal middle position of the rear side of the tractor; the no-tillage combined seed and fertilizer drill is fixedly arranged at the rear side position of the tractor through the suspension bracket, the fixed connecting bracket is fixedly arranged at the left longitudinal middle position of the no-tillage combined seed and fertilizer drill, and the fixed connecting bracket is fixedly connected with the suspension bracket; the satellite antenna is fixedly arranged at the left side position of the upper part of the ceiling, the right side position of the satellite antenna is fixedly provided with the precision positioning module, and the controller is fixedly arranged at the front side position of a steering wheel of a tractor operating room; the proximity switch mounting rack is fixedly arranged on the side wall of the upper part of the rear side of the tractor, and the proximity switch penetrates through a mounting hole of the proximity switch mounting rack and is fixed at the position of the right end of the proximity switch mounting rack; synchronous machine is fixed to be set up in the inboard position of the left side lower part of kind case drive wheel, and fertile case drive wheel is fixed to be set up in the right side middle part position of fertile case, and the fixed setting of kind case drive wheel is by left side middle part position at kind case, and synchronous machine, fertile case drive wheel and kind case drive wheel pass through chain fixed connection.
The satellite antenna is adsorbed on the ceiling through a magnet arranged at the bottom, and the satellite antenna is fixedly connected with the precision positioning module through a cable.
The precision positioning module is fixedly connected with the tractor power supply through a cable, the precision positioning module is fixedly connected with the controller through a cable, and the controller is fixedly connected with the tractor power supply through a cable.
The controller comprises a control panel, a control chip is fixedly arranged in the control panel, and the control panel is rectangular; the display screen is fixedly arranged at the middle position of the left side of the control panel, the keys are fixedly arranged at the upper position of the right side of the control panel, the upper keys are fixedly arranged at the lower positions of the keys, the lower keys are fixedly arranged at the lower positions of the upper keys, and the power supply display lamp is fixedly arranged at the lower position of the left side of the control panel.
The proximity switch passes the mounting hole of proximity switch mounting bracket and passes through the collet nut to be fixed in the right side end position of proximity switch mounting bracket, and proximity switch's induction end is towards the rear side position of tractor.
The proximity switch is fixedly connected with the controller through a cable, and the controller is fixedly connected with the synchronous motor through the cable to form a closed loop.
The fertilizer box driving wheels and the seed box driving wheels are horizontally and symmetrically arranged.
The use process of the synchronous control device of the no-tillage combined seed and fertilizer drill is as follows: when the synchronous control device of the no-tillage combined seed and fertilizer drill is required to work, firstly, a suspension bracket of a tractor is fixedly connected with a fixed connecting bracket of the no-tillage combined seed and fertilizer drill; setting controller parameters: the synchronous control device of the no-tillage combined seed and fertilizer drill has two data calculation modes, wherein one mode is to calculate the rotating speed of the motor according to the seed weight, and the other mode is to calculate the rotating speed of the motor according to the seed sowing distance (planting distance); 1) calculating the rotating speed of the motor by the following weight: the seeding amount of the seeder per revolution and the seeding amount per mu need to be selected and set, the seeding amount per revolution needs to be actually measured and weighed, the seeding amount of a seeding port of the seeder is adjusted to be maximum during measurement, a seeding tooth rotating shaft is manually rotated, and the parameters of a controller are set according to a setting key by sampling and averaging for multiple times; setting parameters of a controller by setting keys according to user requirements, moving cursor positions by an upper key, adjusting parameters by a lower key, and simultaneously setting seed quantity of each revolution and seed quantity parameters of each mu; 2) calculating the rotating speed of a motor at a seed sowing distance (planting distance): setting the breadth and the transmission ratio by pressing a setting key, wherein the breadth value is the working breadth of the seeder, the transmission ratio is the number of teeth of a driving chain wheel divided by the number of teeth of a seed box chain wheel, and the breadth and the transmission ratio parameters are set in a controller; (II) operation of the controller: 1) pressing the setting key again can display the maximum working speed under the current parameters; pressing the setting key again to enter a configuration mode, wherein the configuration mode is used for module communication; if the set key is pressed again, the operation mode returns; 2) when the controller is communicated with the precision positioning module and the satellite antenna, the controller enters a working mode, when the tractor carries out seeding operation, the suspension bracket of the tractor is put down, a display screen of the controller displays normal work, the synchronous motor works normally and displays running speed parameters, 3), when the suspension bracket of the tractor is lifted up, the proximity switch senses an analog signal of the suspension bracket and converts the analog signal into an electric signal to be transmitted to the cabinet controller, the controller controls the synchronous motor to stop working, and the display screen of the controller displays stop working; 4) when the display screen of the setting key controller is pressed again to display a manual mode, the upper key or the lower key is pressed at the moment, the rotating speed grade can be selected and adjusted and is divided into nine grades, the nine grades are the fastest speed, and the setting key is pressed again to return to a normal working state; then measuring the advancing speed of the tractor and the no-tillage combined seed and fertilizer drill by satellite positioning by using a satellite antenna and a precision positioning module, configuring the measured advancing speed of the tractor and the no-tillage combined seed and fertilizer drill by using a controller, keeping the same speed of the synchronous motor as the synchronous motor, and controlling the start and stop of the synchronous motor by using the controller and a proximity switch; when the tractor is sowing, the suspension bracket of the tractor is put down, the display screen of the controller displays that the tractor works normally, the synchronous motor works normally, and the synchronous motor drives the fertilizer box driving wheel and the seed box driving wheel to rotate through the chain, so that the fertilizer application and sowing power speed of the no-tillage fertilizer and seed sowing machine is synchronous with the advancing speed of the tractor; the process is the using process of the synchronous control device of the no-tillage combined seed and fertilizer drill.
The tractor is fixedly arranged at the front side of the no-tillage combined seed and fertilizer drill, the ceiling is fixedly arranged at the upper part of an operating room of the tractor, and the suspension bracket is fixedly arranged at the longitudinal middle position of the rear side of the tractor; the suspension bracket is arranged on one hand to fixedly connect the no-tillage combined seed and fertilizer drill with a power output shaft of a tractor, and provides traction power for the no-tillage combined seed and fertilizer drill through the tractor and also provides rotation power for a speed reducer of the no-tillage combined seed and fertilizer drill; and on the other hand, the induction signal is provided for starting and stopping the synchronous motor.
The satellite antenna is fixedly arranged at the left side position of the upper part of the ceiling, and the right side position of the satellite antenna is fixedly provided with the precision positioning module; the main purpose of the arrangement is to realize the detection of the advancing speed of the tractor and the no-tillage combined seed and fertilizer drill through the arrangement of the satellite antenna and the precision positioning module.
The controller is fixedly arranged at the front side position of a steering wheel of a tractor operating room; the main purpose of the arrangement is to acquire a suspension bracket induction signal through the proximity switch and control the start and stop of the synchronous motor by the controller; on the other hand, the detected traveling speeds of the tractor and the no-tillage combined seed and fertilizer drill are configured by the controller, and the synchronous motor is kept at the same speed as the tractor and the no-tillage combined seed and fertilizer drill.
The synchronous motor is fixedly arranged at the inner side of the lower part of the left side of the seed box driving wheel, the fertilizer box driving wheel is fixedly arranged at the middle position of the right side of the fertilizer box, the seed box driving wheel is fixedly arranged at the middle position of the left side of the seed box, and the synchronous motor, the fertilizer box driving wheel and the seed box driving wheel are fixedly connected through a chain; the main purpose that sets up like this is in order to utilize synchronous machine to drive the rotation of seed case drive wheel and fertile case drive wheel, has realized the fertilization seeding power speed of no-tillage fertilizing and seeding machine and the synchronization of the speed of marcing of tractor, has improved the control accuracy of no-tillage fertilizing and seeding machine seeding volume and fertilization volume.
The proximity switch is fixedly connected with the controller through a cable, and the controller is fixedly connected with the synchronous motor through the cable to form a closed loop; the main purpose of this is to enable control of the stop and start of the synchronous motor by the controller.
The fertilizer box driving wheels and the seed box driving wheels are horizontally and symmetrically arranged; the device mainly improves the power transmission precision among the synchronous motor, the fertilizer box driving wheel and the seed box driving wheel, thereby achieving the effect of accurately and precisely controlling the seeding quantity and the fertilizing quantity of the no-tillage fertilizing and seeding machine.
The utility model has the advantages that: the technical scheme provides a synchronous control device of a no-tillage combined seed and fertilizer drill, which has simple, scientific and reasonable structural design and realizes the synchronization of the combined seed and fertilizer power speed of the no-tillage combined seed and fertilizer drill and the advancing speed of a tractor; the method has the advantages of improving the land utilization rate, avoiding the problem of small seeding quantity caused by inaccurate seeding quantity, avoiding the yield reduction caused by over-dense crop plants, realizing precise and uniform fertilizing machinery, avoiding fertilizer waste and uneven fertilizing, saving cost, increasing yield and income.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a controller according to the present invention;
FIG. 3 is a control flow chart of the present invention;
the labels in the figure are: 1. tractor, 2, ceiling, 3, mounted frame, 4, no-tillage combined seed and fertilizer drill, 5, fixed connection frame, 6, satellite antenna, 7, precision positioning module, 8, controller, 801, control panel, 802, display screen, 803, set up the button, 804, go up the key, 805, the key down, 806, power display lamp, 9, proximity switch, 10, proximity switch mounting bracket, 11, synchronous machine, 12, fertile case drive wheel, 13, case drive wheel, 14, chain.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the synchronous control device of the no-tillage combined seed and fertilizer drill comprises a tractor 1, a ceiling 2, a suspension bracket 3, a no-tillage combined seed and fertilizer drill 4 and a fixed connecting bracket 5; the tractor 1 is fixedly arranged at the front side position of the no-tillage combined seed and fertilizer drill 4, the ceiling 2 is fixedly arranged at the upper part position of an operating room of the tractor 1, and the suspension bracket 3 is fixedly arranged at the longitudinal middle position of the rear side of the tractor 1; the no-tillage combined seed and fertilizer drill 4 is fixedly arranged at the rear side position of the tractor 1 through the suspension bracket 3, the fixed connecting bracket 5 is fixedly arranged at the left longitudinal middle position of the no-tillage combined seed and fertilizer drill 4, and the fixed connecting bracket 5 is fixedly connected with the suspension bracket 3; the satellite antenna 6 is fixedly arranged at the left side position of the upper part of the ceiling 2, the right side position of the satellite antenna 6 is fixedly provided with the precision positioning module 7, and the controller 8 is fixedly arranged at the front side position of the steering wheel of the operating room of the tractor 1; the proximity switch mounting rack 10 is fixedly arranged on the upper side wall of the rear side of the tractor 1, and the proximity switch 9 penetrates through a mounting hole of the proximity switch mounting rack 10 and is fixed at the position of the right side end of the proximity switch mounting rack 10; synchronous machine 11 is fixed to be set up in the inboard position of the left side lower part of seed case drive wheel 13, and fertile case drive wheel 12 is fixed to be set up in the right side middle part position of fertile case, and seed case drive wheel 13 is fixed to be set up by left side middle part position at seed case, and synchronous machine 11, fertile case drive wheel 12 and seed case drive wheel 13 pass through 14 fixed connection of chain.
Precision positioning module 7 passes through cable conductor fixed connection with the tractor power, and precision positioning module 7 passes through cable conductor fixed connection with controller 8, and controller 8 passes through cable conductor fixed connection with the tractor power simultaneously.
The controller 8 comprises a control panel 801, a control chip is fixedly arranged inside the control panel 801, and the control panel 801 is rectangular; the display screen 802 is fixedly arranged at the middle position near the left side of the control panel 801, the setting key 803 is fixedly arranged at the upper position on the right side of the control panel 801, the upper key 804 is fixedly arranged at the position right below the setting key 803, the lower key 805 is fixedly arranged at the position right below the upper key 804, and the power supply display lamp 806 is fixedly arranged at the lower position on the left side of the control panel 801.
The proximity switch 9 passes through the mounting hole of the proximity switch mounting frame 10 and is fixed at the right side end position of the proximity switch mounting frame 10 through a sleeve nut, and the sensing end of the proximity switch 9 faces the rear side position of the tractor 1.
The proximity switch 9 is fixedly connected with the controller 8 through a cable, and the controller 8 is fixedly connected with the synchronous motor 11 through a cable to form a closed loop.
The fertilizer box driving wheels 12 and the seed box driving wheels 13 are horizontally and symmetrically arranged.
The use process of the synchronous control device of the no-tillage combined seed and fertilizer drill is as follows: when the synchronous control device of the no-tillage combined seed and fertilizer drill is required to work, firstly, the suspension bracket 3 of the tractor 1 is fixedly connected with the fixed connecting bracket 5 of the no-tillage combined seed and fertilizer drill 4; setting controller parameters: the synchronous control device of the no-tillage combined seed and fertilizer drill has two data calculation modes, wherein one mode is to calculate the rotating speed of the motor according to the seed weight, and the other mode is to calculate the rotating speed of the motor according to the seed sowing distance (planting distance); 1) calculating the rotating speed of the motor by the following weight: the seeding amount of the seeder per revolution and the seeding amount per mu need to be selected and set, the seeding amount per revolution needs to be actually measured and weighed, the seeding amount of a seeding port of the seeder is adjusted to be maximum during measurement, a seeding tooth rotating shaft is manually rotated, and parameters of the controller 8 are set according to a setting button 803 after multiple sampling and averaging; the seed quantity of each mu is set according to the requirements of a user by setting a key 803 to set parameters of the controller 8, an upper key 804 moves the position of a cursor, a lower key 805 adjusts the parameters, and the seed quantity of each revolution and the seed quantity parameter of each mu are set simultaneously; 2) calculating the rotating speed of a motor at a seed sowing distance (planting distance): setting the breadth and transmission ratio by pressing the setting button 803, the breadth value being the working breadth of the seeder, the transmission ratio being the number of teeth of the driving sprocket divided by the number of teeth of the seed box sprocket, setting the breadth and transmission ratio parameters in the controller 8; (II) operation of the controller: 1) pressing the set key 803 again will display the maximum working speed under the current parameters; pressing the set button 803 again enters a configuration mode, which is used for module communication; if the set button 803 is pressed again, the operation mode returns; 2) when the controller 8 is communicated with the precision positioning module 7 and the satellite antenna 6, the controller 8 enters a working mode, when the tractor 1 is performing seeding operation, the suspension bracket 3 of the tractor is put down, the display screen 802 of the controller 8 displays normal work, the synchronous motor 11 works normally and displays running speed parameters, 3), when the suspension bracket 3 of the tractor 1 is lifted, the proximity switch 9 senses an analog signal of the suspension bracket 3 and converts the analog signal into an electric signal to be transmitted to the cabinet controller 8, the controller 8 controls the synchronous motor 11 to stop working, and the display screen 802 of the controller 8 displays stop working; 4) when the setting key 803 is pressed again, the display screen 802 of the controller 8 displays a manual mode, and at the moment, the upper key 804 or the lower key 805 is pressed, the rotating speed grade can be selected and adjusted, the rotating speed grade is divided into nine grades, the nine grades are the highest speed, and the setting key 803 is pressed again to return to a normal working state; then measuring the advancing speeds of the tractor 1 and the no-tillage combined seed and fertilizer drill 4 by satellite positioning by using a satellite antenna 6 and an accuracy positioning module 7, configuring the measured advancing speeds of the tractor 1 and the no-tillage combined seed and fertilizer drill 4 by using a controller 8, keeping the same speed as the synchronous motor 11, and controlling the start and stop of the synchronous motor 11 by using the controller 8 and a proximity switch 9; when the tractor 1 is sowing, the suspension bracket 3 of the tractor is put down, the display screen 802 of the controller 8 displays that the operation is normal, the synchronous motor 11 works normally, and the synchronous motor 11 drives the fertilizer box driving wheel 12 and the seed box driving wheel to rotate through the chain 14, so that the fertilizer application and seeding power speed of the no-tillage fertilizer and seed planter is synchronous with the advancing speed of the tractor 1; the process is the using process of the synchronous control device of the no-tillage combined seed and fertilizer drill.
In the first embodiment, the parameter setting of the controller 8 adopts the following weights to calculate the motor rotation speed: the seeding amount of the seeder per revolution and the seeding amount per mu need to be selected and set, the seeding amount per revolution needs to be actually measured and weighed, the seeding amount of a seeding port of the seeder is adjusted to be maximum during measurement, a seeding tooth rotating shaft is manually rotated, and parameters of the controller 8 are set according to a setting button 803 after multiple sampling and averaging; the seed amount per mu is set according to the user requirement through setting the key 803 to set the parameters of the controller 8, the upper key 804 moves the cursor position, the lower key 805 adjusts the parameters, and the seed amount per revolution and the seed amount per mu are set at the same time.
In the second embodiment, the parameter setting of the controller 8 adopts the seeding distance (planting distance) to calculate the rotating speed of the motor: the setting button 803 is pressed to set the breadth and the transmission ratio, the breadth value is the working breadth of the seeder, the transmission ratio is the number of teeth of the driving sprocket divided by the number of teeth of the seed box sprocket, and the breadth and the transmission ratio parameters are set in the controller 8.
Claims (7)
1. A synchronous control device of a no-tillage combined seed and fertilizer drill comprises a tractor, a ceiling, a cantilever, a no-tillage combined seed and fertilizer drill and a fixed connecting frame; the tractor is fixedly arranged at the front side of the no-tillage combined seed and fertilizer drill, the ceiling is fixedly arranged at the upper part of an operating room of the tractor, and the cantilever is fixedly arranged at the longitudinal middle position of the rear side of the tractor; the no-tillage combined seed and fertilizer drill is fixedly arranged at the rear side position of the tractor through the cantilever, the fixed connecting frame is fixedly arranged at the left longitudinal middle position of the no-tillage combined seed and fertilizer drill, and the fixed connecting frame is fixedly connected with the cantilever; the method is characterized in that: the satellite antenna is fixedly arranged at the left side position of the upper part of the ceiling, the right side position of the satellite antenna is fixedly provided with the precision positioning module, and the controller is fixedly arranged at the front side position of a steering wheel of a tractor operating room; the proximity switch mounting rack is fixedly arranged on the side wall of the upper part of the rear side of the tractor, and the proximity switch penetrates through a mounting hole of the proximity switch mounting rack and is fixed at the position of the right end of the proximity switch mounting rack; synchronous machine is fixed to be set up in the inboard position of the left side lower part of kind case drive wheel, and fertile case drive wheel is fixed to be set up in the right side middle part position of fertile case, and the fixed setting of kind case drive wheel is by left side middle part position at kind case, and synchronous machine, fertile case drive wheel and kind case drive wheel pass through chain fixed connection.
2. The synchronous control device of the no-tillage combined seed and fertilizer drill of claim 1, characterized in that: the satellite antenna is adsorbed on the ceiling through the magnet arranged at the bottom, and the satellite antenna is fixedly connected with the precision positioning module through a cable.
3. The synchronous control device of the no-tillage combined seed and fertilizer drill of claim 1, characterized in that: the precision positioning module is fixedly connected with the tractor power supply through a cable, the precision positioning module is fixedly connected with the controller through a cable, and the controller is fixedly connected with the tractor power supply through a cable.
4. The synchronous control device of the no-tillage combined seed and fertilizer drill of claim 1, characterized in that: the controller comprises a control panel, a control chip is fixedly arranged in the control panel, and the control panel is rectangular; the display screen is fixedly arranged at the middle position of the left side of the control panel, the keys are fixedly arranged at the upper position of the right side of the control panel, the upper keys are fixedly arranged at the lower positions of the keys, the lower keys are fixedly arranged at the lower positions of the upper keys, and the power supply display lamp is fixedly arranged at the lower position of the left side of the control panel.
5. The synchronous control device of the no-tillage combined seed and fertilizer drill of claim 1, characterized in that: the proximity switch passes the mounting hole of proximity switch mounting bracket and passes through the collet nut to be fixed at the right side end position of proximity switch mounting bracket, and proximity switch's induction end is towards the rear side position of tractor.
6. The synchronous control device of the no-tillage combined seed and fertilizer drill of claim 1, characterized in that: the proximity switch is fixedly connected with the controller through a cable, and the controller is fixedly connected with the synchronous motor through the cable to form a closed loop.
7. The synchronous control device of the no-tillage combined seed and fertilizer drill of claim 1, characterized in that: the fertilizer box driving wheel and the seed box driving wheel are horizontally and symmetrically arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920033357.8U CN209930880U (en) | 2019-01-09 | 2019-01-09 | Synchronous control device of no-tillage combined seed and fertilizer drill |
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| CN201920033357.8U CN209930880U (en) | 2019-01-09 | 2019-01-09 | Synchronous control device of no-tillage combined seed and fertilizer drill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588087A (en) * | 2019-01-09 | 2019-04-09 | 洛阳市鑫乐机械设备有限公司 | A kind of sync control device of no-tillage fertilizing and seeding machine |
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2019
- 2019-01-09 CN CN201920033357.8U patent/CN209930880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588087A (en) * | 2019-01-09 | 2019-04-09 | 洛阳市鑫乐机械设备有限公司 | A kind of sync control device of no-tillage fertilizing and seeding machine |
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