CN109220014B - Self-balancing paddy field slurry-raking land-leveling working machine - Google Patents
Self-balancing paddy field slurry-raking land-leveling working machine Download PDFInfo
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- CN109220014B CN109220014B CN201811097070.8A CN201811097070A CN109220014B CN 109220014 B CN109220014 B CN 109220014B CN 201811097070 A CN201811097070 A CN 201811097070A CN 109220014 B CN109220014 B CN 109220014B
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- raking
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
- A01B63/1112—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements using a non-tactile ground distance measurement, e.g. using reflection of waves
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
- A01B63/114—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements to achieve a constant working depth
Abstract
The invention discloses a self-balancing paddy field slurry raking and leveling operation machine which comprises a rotary support and a slurry raking machine and is characterized in that a bearing seat is installed below the middle of a front beam of the slurry raking machine, a three-point suspension is welded at the front end of the rotary support and connected with a tractor, and rotating shafts are welded in the middle of front and rear beams below the rotary support. Has the advantages that: the left and right horizontal inclination angles of the slurry raking machine can be automatically adjusted in the operation process of the self-balancing paddy field slurry raking and land leveling operation machine, so that the rotary tillage depth is not influenced by uneven field surface, slurry raking, stubble burying and land leveling operation can be completed in one-time mode, and rolling of a tractor on a paddy field is reduced. The height difference of the field after operation is small, the utilization rate of water resources can be improved, irrigation water is greatly saved, intermittent irrigation is facilitated, accurate water utilization is achieved, and irrigation efficiency reaches 90%. Meanwhile, the phenomena of fertilizer loss and fertilizer removal are reduced, and the utilization rate of the fertilizer is improved by over 10 percent. Fundamentally protecting the ecological environment of the whole rural area and controlling the discharge of harmful substances.
Description
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to a self-balancing paddy field slurry raking and land leveling operation machine.
Background
With the development of agricultural machinery and equipment, the paddy field tractor-ploughing is popularized at present, but a plurality of problems are brought along with the popularization. Because the tractor is heavier, if the working efficiency needs to be improved, a large-power tractor is needed, and simultaneously because the efficiency of the existing machine tool is low, the raking, the stubble burying and the flat land are respectively carried out, so that the rice planting requirement can be met only by operating for multiple times. Thus, the paddy field becomes uneven under the multiple rolling of a tractor, particularly a wheel tractor, the depth of mud feet is different, the local part of the paddy field becomes a puddle which can be eaten, the ecological environment of the paddy field is seriously damaged, and even some paddy fields have to be abandoned.
In addition, in actual production operation, due to the factors of unevenness of field blocks, inclination of the field and the like, the left wheel and the right wheel are easily not in the same horizontal position, the lifting profiling device can only control the height of the agricultural implement and cannot control the balance of the whole machine in the left horizontal direction and the right horizontal direction, and therefore operation cannot meet preset requirements. When the paddy field is accurately leveled, the plough bottom layer of the paddy field is uneven, and when the paddy field is leveled, the laser control system can only control the height of the land leveling shovel to be adjustable, but cannot ensure that the level of the land leveling shovel is controllable, so that the flatness of the paddy field surface is difficult to meet the planting requirement.
Disclosure of Invention
The invention aims to solve the problems that the efficiency of raking slurry, burying stubble and leveling land is low, the ecological environment is seriously damaged by multiple paddy field operations and the balance of the whole machine in the left and right horizontal directions cannot be controlled so that the operation cannot meet the preset requirement in the prior art, and provides a self-balancing paddy field raking slurry leveling operation machine.
In order to achieve the purpose, the invention adopts the following technical scheme: a self-balancing paddy field slurry raking and leveling operation machine comprises a rotary support and a slurry raking machine, and is characterized in that a bearing seat is installed below the middle of a front cross beam of the slurry raking machine, a three-point suspension is welded at the front end of the rotary support and connected with a tractor, rotary shafts are welded in the middle of a front cross beam and a rear cross beam below the rotary support, a tapered roller bearing is in interference fit with each rotary shaft, the tapered roller bearings are installed in the bearing seats, an inertial navigator and an inclination angle adjusting oil cylinder are arranged on the left side and the right side of the top of the slurry raking machine, an auxiliary soil breaking mechanism and a laser navigation leveler are arranged at the rear of the slurry raking machine, and a control system;
supplementary mechanism that breaks ground includes the buffer gear of two sets of symmetry rigid couplings on runing rest, and every buffer gear of group all includes the fixed plate of two rigid couplings on the runing rest rear end, two the common rigid coupling of one end that the fixed plate is close to each other has the slide bar, sliding fit has two sleeves, two the sleeve is kept away from the common rotation of one end of slide bar and is connected with the dead lever, two the equal rigid coupling of one end that the sleeve was kept away from each other has expanding spring, expanding spring keeps away from telescopic one end all with the fixed plate rigid coupling, expanding spring activity cup joints on the slide bar, and the common rigid coupling of one end that the slide bar was kept away from to the dead lever in two sets of has the scraper blade, one side lateral.
In the self-balancing paddy field pulp raking land leveling machine, the laser navigation land leveling machine comprises two height adjusting mechanisms, each height adjusting mechanism comprises a baffle plate frame fixedly connected to the upper end of a rotating bracket, the upper end of the pulp raking machine is rotatably connected with a supporting plate, the baffle plate frame and the supporting plate are rotatably connected with an adjustable connecting rod, the side wall of one side of the supporting plate far away from the adjustable connecting rod is rotatably connected with a height adjusting oil cylinder and a parallel connecting rod which are arranged in parallel, the telescopic end of the height adjusting oil cylinder and the end of the parallel connecting rod far away from the supporting plate in the two groups of height adjusting mechanisms are rotatably connected with a land leveling shovel connecting plate, the upper end of one side of the land leveling connecting plate far away from the supporting plate is fixedly connected with a laser receiver mounting support, the utility model discloses a high altitude mixture control hydro-cylinder, including laser receiver erection support, the upper end rigid coupling of laser receiver erection support has the laser receiver bracing piece of vertical setting, the upper end fixed mounting of laser receiver bracing piece has laser signal receiver, and laser signal receiver's acceptance signal end sets up towards the one side of keeping away from the runing rest, two all install first solenoid valve on the defeated oil pipe of altitude mixture control hydro-cylinder, first solenoid valve is connected with control system.
In foretell self-balancing paddy field harrow thick liquid level land workover rig, two the telescopic shaft of inclination adjustment hydro-cylinder all is connected with the harrow thick liquid machine, two the inclination adjustment hydro-cylinder all is connected at the top of runing rest, two install the second solenoid valve on the oil pipe of inclination adjustment hydro-cylinder, two the output of inertial navigation appearance is connected with the self-balancing system jointly, the output and the control system's of self-balancing system input are connected, the control system's control end is connected with the second solenoid valve.
In the self-balancing paddy field slurry raking and leveling working machine, the side wall of the planker, which is close to the rotary support, is uniformly and fixedly connected with a plurality of crushing teeth.
Compared with the prior art, the self-balancing paddy field slurry raking and land leveling operation machine has the advantages that:
1. the traditional three-point suspension device is changed, a three-point suspension is welded on a rotating bracket to serve as a connecting bridge between the whole machine and a tractor, a bearing seat is connected and installed at the middle position of a front beam and a rear beam of the pulp raking machine through bolts, a tapered roller bearing is arranged in the bearing seat, and rotating shafts are welded at the front end and the rear end in the middle of the lower part of the three-point suspension and are matched with the bearing to ensure that the three-point suspension and the pulp raking machine freely rotate in the;
2. when the rotary tillage depth is larger than the preset value of the system, the control system sends an instruction to control the hydraulic system to drive the swing hydraulic cylinder to rotate in the opposite direction to drive the slurry raking machine to rotate, so that the whole machine is always in a horizontal state, the full-width rotary tillage depth of the slurry raking machine is always consistent, and the influence of the inclination of a tractor body caused by uneven land is avoided;
3. by adopting the design of the auxiliary soil breaking mechanism, in the driving process of the tractor, under the elastic force of the telescopic spring, the dragging plate is in self-adaptive contact with the ground through the connecting rod, the fixed rod and the scraping plate, and the crushing teeth further crush soil and simultaneously carry out leveling operation on a paddy field in advance;
4. by adopting the design of the laser land leveller, when the receiver detects a laser signal, the receiver continuously sends the signal to the control system. And after receiving the signal, the control system corrects the signal, and the corrected signal controls the opening and closing of the first electromagnetic valve so as to change the flow direction and the flow of the hydraulic oil conveyed to the height adjusting oil cylinder and increase or decrease the height of the land leveling shovel. Due to the application of the laser and the automatic control technology, the automatic operation of land leveling is realized, and the land leveling precision can be improved.
In conclusion, the self-balancing paddy field slurry raking and land leveling operation machine can automatically adjust the left and right horizontal inclination angles of the slurry raking machine in the operation process, so that the rotary tillage depth is not influenced by uneven field surface, the self-balancing paddy field slurry raking and land leveling operation machine can finish slurry raking, stubble burying and land leveling operation in one step, and the rolling of a tractor on a paddy field is reduced. The height difference of the field after operation is small, the utilization rate of water resources can be improved, irrigation water is greatly saved, intermittent irrigation is facilitated, accurate water utilization is achieved, and irrigation efficiency reaches 90%. Meanwhile, the phenomena of fertilizer loss and fertilizer removal are reduced, and the utilization rate of the fertilizer is improved by over 10 percent. Fundamentally protecting the ecological environment of the whole rural area and controlling the discharge of harmful substances.
Drawings
FIG. 1 is a side view of a self-balancing paddy field slurry raking and land leveling machine according to the present invention;
FIG. 2 is a front view of a self-balancing paddy field slurry raking and land leveling machine according to the present invention;
FIG. 3 is a top view of a self-balancing paddy field slurry raking and land leveling machine according to the present invention;
fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.
In the figure: the device comprises a rotating support 1, a three-point suspension 2, a rotating shaft 3, a tapered roller bearing 4, a slurry raking machine 5, a connecting rod 6, a fixing rod 7, a scraping plate 8, a dragging plate 9, a bearing seat 10, a crushing tooth 11, an inclination angle adjusting oil cylinder 12, an inertial navigator 13, a laser receiver supporting rod 14, a baffle plate frame 15, a supporting plate 16, an adjustable connecting rod 17, a land leveling shovel connecting plate 18, a height adjusting oil cylinder 19, a parallel connecting rod 20, a land leveling shovel 21, a laser receiver mounting support 22, a laser signal receiver 23, a first electromagnetic valve 24, a control system 25, a fixing plate 26, a sliding rod 27 and a sleeve 28.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Referring to fig. 1-4, a self-balancing paddy field slurry raking and land leveling machine comprises a rotary support 1 and a slurry raking machine 5, wherein a bearing seat 10 is installed below the middle of a front cross beam of the slurry raking machine 5, a three-point suspension 2 is welded at the front end of the rotary support 1 and is connected with a tractor, rotary shafts 3 are welded in the middle of a front cross beam and a rear cross beam below the rotary support 1, a tapered roller bearing 4 is in interference fit with each rotary shaft 3, the tapered roller bearings 4 are installed in the bearing seats 10, and the tapered roller bearings are mainly used for bearing radial and axial combined loads mainly comprising radial loads. Compared with an angular contact ball bearing, the bearing capacity is high, and the limit rotating speed is low. The tapered roller bearing can bear axial load in one direction, axial displacement in one direction of a shaft or a shell can be limited, a plurality of tapered roller bearings 4 are fixedly connected with a pulp raking machine 5 together, the pulp raking machine 5 can rotate on a certain plane, the left side and the right side of the top of the pulp raking machine 5 are provided with an inertial navigator 13 and an inclination angle adjusting oil cylinder 12, the rear portion of the pulp raking machine 5 is provided with an auxiliary soil breaking mechanism and a laser navigation grader, and the upper end of the pulp raking machine 5 is provided with a control system 25.
More specifically, the laser navigation land leveller comprises two height adjusting mechanisms, each height adjusting mechanism comprises a baffle frame 15 fixedly connected to the upper end of a rotating bracket 1, the upper end of a pulp raking machine 5 is rotatably connected with a supporting plate 16, the baffle frame 15 and the supporting plate 16 are rotatably connected with an adjustable connecting rod 17, the side wall of one side of the supporting plate 16 far away from the adjustable connecting rod 17 is rotatably connected with a height adjusting oil cylinder 19 and a parallel connecting rod 20 which are arranged in parallel, the telescopic ends of the height adjusting oil cylinders 19 in the two groups of height adjusting mechanisms and the end of the parallel connecting rod 20 far away from the supporting plate 16 are rotatably connected with a land leveling shovel connecting plate 18, the upper end of one side of the land leveling connecting plate 18 far away from the supporting plate 16 is fixedly connected with a laser receiver mounting support 22, the lower end of one side of the land leveling shovel connecting plate 18 far away from, the upper end fixed mounting of laser receiver bracing piece 14 has laser signal receiver 23, and the one side setting of runing rest 1 is kept away from to the acceptance signal end orientation of laser signal receiver 23, all install first solenoid valve 24 on the defeated oil pipe of two altitude mixture control hydro-cylinders 19, first solenoid valve 24 is connected with control system 25, the signal that laser signal receiver 23 real-time reception laser emitter sent, control system 25 controls opening and close of first solenoid valve 24, realize the increase of altitude mixture control hydro-cylinder 19 internal volume or reduce (flexible end extension or shorten promptly), accomplish the high promotion of land leveling shovel 21 or reduce.
Further, the telescopic shaft of two inclination angle adjusting oil cylinders 12 is all connected with raking machine 5, two inclination angle adjusting oil cylinders 12 are all connected at the top of runing rest 1, install the second solenoid valve on the defeated oil pipe of two inclination angle adjusting oil cylinders 12, the output of two inertia navigator 13 is connected with the self-balancing system jointly, the output and the control system 25's of self-balancing system input are connected, control system 25's control end is connected with the second solenoid valve, control system carries out the circular telegram outage to the second solenoid valve in real time and carries out opening and close of oil circuit, realize that inclination angle adjusting oil cylinder 12 inside volume increases or reduces (telescopic end extension or shortening promptly).
More specifically, the auxiliary soil breaking mechanism comprises two groups of buffer mechanisms symmetrically and fixedly connected to the rotary support 1, each group of buffer mechanisms comprises two fixed plates 26 fixedly connected to the rear end of the rotary support 1, the ends of the two fixed plates 26 close to each other are fixedly connected with a slide bar 27, the slide bar 27 is slidably matched with two sleeves 28, the ends of the two sleeves 28 far away from the slide bar 27 are rotatably connected with a fixed rod 7, the ends of the two sleeves 28 far away from each other are fixedly connected with a telescopic spring, the ends of the telescopic springs far away from the sleeves 28 are fixedly connected with the fixed plates 26, the telescopic springs are movably sleeved on the slide bars 27, the ends of the fixed rods 7 far away from the slide bars 27 in the two groups are fixedly connected with a scraper 8, the side wall of the scraper 8 far away from the rotary support 1 is fixedly connected with a dragging plate 9, under the elastic force of the telescopic springs, the dragging plate, and the crushing teeth 11 further crush the soil while performing the leveling work of the paddy field in advance.
Furthermore, a plurality of crushing teeth 11 are uniformly and fixedly connected to the side wall of the carriage 9 close to the rotating bracket 1, and the crushing teeth 11 can further crush soil blocks.
According to the invention, a rotating bracket 1 is installed on a tractor through a rotary three-point suspension 2, a horizontal self-balancing system is designed and researched through an inertial navigation technology, the angular velocity and the acceleration of a rake slurry machine 5 are measured by an accelerometer and a gyroscope, data are transmitted to a control system 25, the inclination angle of the whole machine is solved, the control system and an actuating mechanism drive the rake slurry machine to rotate to the opposite direction by a corresponding angle, the left and right horizontal self-balancing in the operation process is realized, and the specific operation is as follows: the left end and the right end of the pulp raking machine 5 are respectively provided with an inertial navigator 13 for measuring the inclination angle of the whole machine, when the inclination angle is larger than a preset value of the system, the control system 25 sends an instruction to control the hydraulic system to drive the inclination angle adjusting oil cylinder 12 to rotate in the opposite direction to drive the pulp raking machine 5 to rotate, so that the whole machine is always in a horizontal state, the full rotary tillage depth of the pulp raking machine 5 is always consistent, and the influence of the inclination of a tractor body caused by uneven ground is avoided;
in the running process of the tractor, under the elastic force of the telescopic spring, the carriage 9 is in self-adaptive contact with the ground through the connecting rod 6, the fixed rod 7 and the scraper 8, the crushing teeth 11 further crush soil, and meanwhile, the leveling operation of a paddy field is performed in advance;
the laser transmitter emits rotating light beams, and a spatial horizontal light plane is formed above the operation field, and the light plane is a reference plane for leveling the land. The laser receiver 23 is mounted on the laser receiver support rod 14. When the laser receiver 23 detects the laser signal, it continuously sends a signal to the control system 25. After receiving the signal, the control system 25 corrects the signal, and the corrected signal controls the opening and closing of the first electromagnetic valve 24 to change the flow direction and the flow rate of the hydraulic oil to the height adjusting cylinder 19, so that the height of the land leveling blade 21 is raised or lowered. The field flatness can reach the set requirement, the slurry falls down at the lower part and is scraped away at the higher part, and the automatic operation of land leveling is realized and the land leveling precision can be improved due to the application of the laser and the automatic control technology.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A self-balancing paddy field slurry-raking and land-leveling working machine, which comprises a rotating bracket (1) and a slurry-raking machine (5), it is characterized in that a bearing seat (10) is arranged below the middle part of the front beam of the pulp raking machine (5), the front end of the rotating bracket (1) is welded with a three-point suspension (2) and is connected with a tractor, rotating shafts (3) are welded in the middle of the front and rear cross beams below the rotating support (1), each rotating shaft (3) is in interference fit with a tapered roller bearing (4), the tapered roller bearing (4) is arranged in the bearing seat (10), the left side and the right side of the top of the slurry raking machine (5) are respectively provided with an inertial navigator (13) and an inclination angle adjusting oil cylinder (12), an auxiliary soil breaking mechanism and a laser navigation grader are arranged at the rear part of the slurry raking machine (5), and a control system (25) is arranged at the upper end of the slurry raking machine (5);
the auxiliary soil breaking mechanism comprises two groups of buffer mechanisms symmetrically and fixedly connected on the rotating bracket (1), each group of buffer mechanisms comprises two fixed plates (26) fixedly connected on the rear end of the rotating bracket (1), one ends of the two fixed plates (26) close to each other are fixedly connected with a sliding rod (27) together, the sliding rod (27) is matched with two sleeves (28) in a sliding way, one ends of the two sleeves (28) far away from the sliding rod (27) are connected with a fixed rod (7) in a rotating way, the other ends of the two sleeves (28) far away from each other are fixedly connected with a telescopic spring, one end of the telescopic spring far away from the sleeve (28) is fixedly connected with the fixed plate (26), the telescopic springs are movably sleeved on the sliding rods (27), one ends of the fixing rods (7) in the two groups, which are far away from the sliding rods (27), are fixedly connected with a scraper (8) together, the side wall of one side of the scraper (8) far away from the rotating bracket (1) is fixedly connected with a dragging plate (9).
2. The self-balancing paddy field raking and land leveling machine as claimed in claim 1, wherein the laser navigation leveler comprises two height adjusting mechanisms, each height adjusting mechanism comprises a baffle frame (15) fixedly connected to the upper end of the rotating bracket (1), the upper end of the raking machine (5) is rotatably connected with a support plate (16), the baffle frame (15) and the support plate (16) are rotatably connected with an adjustable connecting rod (17), the side wall of the support plate (16) far away from the adjustable connecting rod (17) is rotatably connected with a height adjusting oil cylinder (19) and a parallel connecting rod (20) which are arranged in parallel, the telescopic end of the height adjusting oil cylinder (19) and the end of the parallel connecting rod (20) far away from the support plate (16) are rotatably connected with a land leveling shovel connecting plate (18), the utility model discloses a hydraulic pressure leveling device, including horizontal shovel connecting plate (18), backup pad (16), laser receiver erection support (22) are kept away from to horizontal shovel connecting plate (18), one side lower extreme rigid coupling that backup pad (16) were kept away from to horizontal shovel connecting plate (18) has horizontal shovel (21), the upper end rigid coupling of laser receiver erection support (22) has laser receiver bracing piece (14) of vertical setting, the upper end fixed mounting of laser receiver bracing piece (14) has laser signal receiver (23), and the received signal end orientation of laser signal receiver (23) sets up, two towards one side of keeping away from runing rest (1) all install first solenoid valve (24) on the defeated oil pipe of altitude mixture control hydro-cylinder (19), and first solenoid valve (24) are connected with control system (25).
3. The self-balancing paddy field raking slurry land leveling operation machine is characterized in that telescopic shafts of two inclination angle adjusting oil cylinders (12) are connected with the raking slurry machine (5), the two inclination angle adjusting oil cylinders (12) are connected to the top of a rotating support (1), a second electromagnetic valve is installed on an oil pipeline of the two inclination angle adjusting oil cylinders (12), the output ends of the two inertial navigators (13) are connected with a self-balancing system, the output end of the self-balancing system is connected with the input end of a control system (25), and the control end of the control system (25) is connected with the second electromagnetic valve.
4. The self-balancing paddy field harrow pulp flat field working machine as claimed in claim 1, wherein a plurality of crushing teeth (11) are uniformly and fixedly connected to the side wall of the planker (9) close to the rotary bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097070.8A CN109220014B (en) | 2018-09-20 | 2018-09-20 | Self-balancing paddy field slurry-raking land-leveling working machine |
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| CN201811097070.8A CN109220014B (en) | 2018-09-20 | 2018-09-20 | Self-balancing paddy field slurry-raking land-leveling working machine |
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| CN109220014B true CN109220014B (en) | 2021-07-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109804739A (en) * | 2019-03-29 | 2019-05-28 | 连云港双亚机械有限公司 | A kind of paddy field rotary tillage buries stubble and plays slurry land leveller |
| CN110226377A (en) * | 2019-07-01 | 2019-09-13 | 中国农业大学 | A kind of rotary hilly and mountainous land tractor profiling suspension mechanism |
| CN112400380A (en) * | 2020-12-09 | 2021-02-26 | 周能为 | Duplex satellite laser leveling machine for paddy field |
| CN113207330B (en) * | 2021-06-09 | 2022-09-16 | 南京农业大学 | Paddy field stirs thick liquid leveler |
| CN113753262B (en) * | 2021-11-09 | 2022-02-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Device and method for measuring flow field speed of horizontal tail area of helicopter |
| CN115004894B (en) * | 2022-06-15 | 2023-12-19 | 山东弘宇农机股份有限公司 | Double-cylinder hydraulic lifter for tractor |
| CN115443788A (en) * | 2022-10-24 | 2022-12-09 | 刘贺祥 | Automatic correction device for hanging and ditching machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105746019A (en) * | 2015-07-13 | 2016-07-13 | 张天成 | Shallow soil loosening type laser land leveller |
| CN205681790U (en) * | 2016-06-01 | 2016-11-16 | 佳木斯龙嘉农机制造有限公司 | A kind of can the scraper plate land leveller of gyration |
| DE102016124517A1 (en) * | 2016-12-15 | 2018-06-21 | Treffler Maschinenbau Gmbh & Co. Kg | Tine harrow penetration depth measuring device, tine harrow and penetration depth regulating device |
| CN107027353A (en) * | 2017-01-10 | 2017-08-11 | 河北农业大学 | A kind of peaceful combine of laser observing and controlling subsoiling rotary tillage |
| CN206865977U (en) * | 2017-06-29 | 2018-01-12 | 中国农业大学 | A kind of hilly and mountainous land tractor ground profiling hitch |
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