CN213368659U - Bionic beetle type full-automatic spiral fixed-point precision topdressing vehicle - Google Patents
Bionic beetle type full-automatic spiral fixed-point precision topdressing vehicle Download PDFInfo
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- CN213368659U CN213368659U CN202021726064.7U CN202021726064U CN213368659U CN 213368659 U CN213368659 U CN 213368659U CN 202021726064 U CN202021726064 U CN 202021726064U CN 213368659 U CN213368659 U CN 213368659U
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Abstract
The utility model relates to a bionic beetle type full-automatic spiral fixed-point precise topdressing vehicle, which belongs to the field of agricultural plant protection machinery and comprises a chassis, a traveling device, a spiral fertilizing device, a fertilizer box, a fertilizer inlet pipe and a support, wherein the traveling device is installed at the bottom of the chassis, the support is installed at the top of the chassis, the fertilizer box is fixedly installed on the support, a fertilizer receiving port is arranged at the bottom of the fertilizer box, the spiral fertilizing device is installed at the top of the chassis, and the spiral fertilizing device is connected with the fertilizer receiving port through the fertilizer inlet pipe; the utility model provides a stem stalk class crops such as maize at middle period topdressing in-process topdressing unreasonable, topdressing difficulty and the low scheduling problem of level of mechanization, through combining the field agronomy requirement of topdressing, design out a bionical beetle formula full-automatic spiral precision amount topdressing car of fixed point, can realize once topdressing two lines of crops in the operation of different ranks to can adjust the fertilization volume according to the demand of crop.
Description
Technical Field
The utility model belongs to agricultural plant protection machinery, specifically speaking relates to a smart volume topdressing car of full-automatic spiral fixed point of bionical beetle formula.
Background
China is a big agricultural country, wherein crops such as corn, soybean and the like are very important food crops and feed sources in China, and the method has great significance in solving the problem of food safety of human beings. Wherein, timely fertilization is carried out during the growth period of crops such as corn, soybean and the like, which is the most effective way for increasing the yield of the crops. Practice proves that the yield of crops growing in the growth period can be effectively improved by reasonably applying fertilizers to the crops, particularly applying nitrogen fertilizers to the crops such as corn, soybean and the like in the growth period.
In the traditional operation, taking corn as an example, people often adopt manual topdressing or topdressing by a topdressing device. The labor intensity of manual fertilization is large, the working efficiency is low, the labor intensity of the operation mode of manual fertilization is high, the problems of uneven spreading, difficult control of application amount, low fertilizer efficiency, large loss, delay of farming season and the like exist in common. The prior fertilizer applicator is adopted for topdressing, the level of mechanized operation is improved, but the fertilizing amount is difficult to accurately control, the problems of insufficient fertilization or excessive fertilization are easily caused, and the utilization rate of the fertilizer is poor.
Disclosure of Invention
In order to overcome the problem that exists among the background art, the utility model provides a full-automatic spiral of bionical beetle formula precision amount topdressing car, it is unreasonable, the difficulty of topdressing and the low scheduling problem of degree of mechanization of topdressing at middle period to solve stem crop such as maize, through combining the field agricultural requirements of topdressing, design a full-automatic spiral of bionical beetle formula precision amount topdressing car of fixed point, can be in operation in different ranks, can realize once topdressing to two lines of crops, and can adjust the fertilization volume according to the demand of crop.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a bionic beetle type full-automatic spiral fixed-point precise topdressing vehicle comprises a chassis 1, a traveling device 2, a spiral fertilizing device 3, a fertilizer box 4, a fertilizer inlet pipe 5, a support 6 and a shell 11, wherein the traveling device 2 is installed at the bottom of the chassis 1, the support 6 is installed at the top of the chassis 1, the fertilizer box 4 is fixedly installed on the support 6, a fertilizer receiving opening 4-1 is formed in the bottom of the fertilizer box 4, the spiral fertilizing device 3 is installed at the top of the chassis 1, the spiral fertilizing device 3 is connected with the fertilizer receiving opening 4-1 through the fertilizer inlet pipe 5, the shell 11 is arranged on the chassis 1, and the spiral fertilizing device 3 is located in the shell 11.
Furthermore, the traveling device 2 comprises rear wheels 2-1, a rotating shaft 2-2, a traveling motor 2-3, a belt wheel transmission mechanism I2-4 and front wheels 2-5, the rotating shaft 2-2 is installed on the rear side of the bottom of the chassis 1 through a bearing, the rear wheels 2-1 are installed at two ends of the rotating shaft 2-2 respectively, the rotating shaft 2-2 is connected with a power shaft of the traveling motor 2-3 fixedly installed at the bottom of the chassis 1 through the belt wheel transmission mechanism I2-4, and the front wheels 2-5 are installed on the front side of the bottom of the chassis 1.
Furthermore, the left side and the right side of the bottom of the fertilizer box 4 are respectively provided with a fertilizer receiving opening 4-1, each fertilizer receiving opening 4-1 is connected with a fertilizer inlet pipe 5, and each fertilizer inlet pipe 5 is respectively connected with a spiral fertilizer applying device 3.
Further, the two spiral fertilizing devices 3 are respectively arranged on the chassis 1 through the row spacing adjusting devices 7.
Further, the row spacing adjusting device 7 comprises a bearing with a seat 7-1, a screw rod I7-2, a screw rod nut I7-3, a distance control base 7-4, a guide rod 7-5, a supporting seat 7-6, a belt wheel transmission mechanism II 7-7, a motor 7-8 and a linear bearing I7-9, two ends of the screw rod I7-2 are installed on the chassis 1 through the bearing with the seat 7-1, the left and right sections of threads of the screw rod I7-2 are opposite in rotating direction, the middle of the screw rod I7-2 is connected with a power shaft of the motor 7-8 fixedly installed on the chassis 1 through the belt wheel transmission mechanism II 7-7, the screw rod nut I7-3 is respectively arranged on the thread sections of the left and right sections of the screw rod I7-2 with opposite rotating directions, the distance control base 7-4 is respectively fixed at the top of the two screw rod nuts I7-3, linear bearings I7-9 are fixedly mounted at the bottoms of the two distance control bases 7-4, guide rods 7-5 penetrate through the linear bearings I7-9 fixedly mounted at the bottoms of the two distance control bases 7-4, two ends of each guide rod 7-5 are fixedly mounted on the base plate 1 through supporting seats 7-6, and the two distance control bases 7-4 are respectively provided with a spiral fertilizing device 3.
Further, the spiral fertilizing device 3 comprises a fertilizing stepping motor 3-1, a coupler 3-2, a fertilizer feeding pipe 3-3, a connecting seat 3-4, a fertilizer feeding pipe 3-5, a fertilizing pipe 3-6, spiral blades 3-7 and a fertilizer feeding shaft 3-8, wherein a rotating shaft of the fertilizing stepping motor 3-1 is connected with the fertilizer feeding shaft 3-8 through the coupler 3-2, the fertilizer feeding pipe 3-5 is fixedly arranged on the connecting seat 3-4, the fertilizer feeding shaft 3-8 is provided with the spiral blades 3-7, the spiral blades 3-7 are positioned in the fertilizer feeding pipe 3-5, the outer edge of the spiral blades 3-7 is tangent to the inner wall of the fertilizer feeding pipe 3-5, the top of one end of the fertilizer feeding pipe 3-5 is provided with the fertilizer feeding pipe 3-3 connected with the fertilizer feeding pipe 5, the bottom of the other end of the fertilizer delivery pipe 3-5 is provided with a fertilizer application pipe 3-6.
Further, the bionic beetle type full-automatic spiral fixed-point precision topdressing vehicle further comprises a plant detection device 8, wherein the plant detection device 8 comprises a photoelectric sensor I8-4, the photoelectric sensor I8-4 for detecting plants is installed on the chassis 1, the photoelectric sensor I8-4 is connected with the PLC10, and the PLC10 is connected with the fertilizing stepping motor 3-1.
Furthermore, the plant detection device 8 also comprises a detection stepping motor 8-1, a coupling II 8-2, a detection guide rod 8-3, a screw rod nut II 8-5, a screw rod II 8-6, support bases 8-7, a movable base 8-8, a linear bearing II 8-9 and a speed sensor 8-10, wherein two support bases 8-7 are arranged on a distance control base 7-4, two ends of the screw rod II 8-6 are arranged on the two support bases 8-7 through bearings, one end of the screw rod II 8-6 is connected with a power shaft of the detection stepping motor 8-1 through the coupling II 8-2, a screw rod nut II 8-5 is arranged on the screw rod II 8-6, the screw rod nut II 8-5 is fixedly arranged on the movable base 8-8, two ends of the detection guide rod 8-3 are fixedly arranged on the two support bases 8-7, the moving seat 8-8 is provided with a linear bearing II 8-9 sleeved on the detection guide rod 8-3, the photoelectric sensor I8-4 is fixedly arranged on the moving seat 8-8, the front wheel 2-5 is provided with a speed sensor 8-10, the speed sensor 8-10 is connected with a PLC10, and the PLC10 is connected with the detection stepping motor 8-1.
Furthermore, an automatic correction device 9 connected with a front wheel 2-5 wheel shaft is arranged on the chassis 1, the automatic correction device 9 comprises an antenna 9-1, a mounting rod 9-2, a mounting sleeve 9-3, a torsion spring 9-4, a limiting block 9-5, a steering limiting switch 9-6, a steering motor 9-7, a belt wheel transmission mechanism III 9-8, a steering return rod 9-9, a return switch 9-10 and a steering seat 9-11, the front wheel 2-5 is arranged on the steering seat 9-11, a rotating shaft of the steering seat 9-11 is arranged on the chassis 1 through a bearing, the upper end of the rotating shaft of the steering seat 9-11 is connected with the steering motor 9-7 fixedly arranged on the chassis 1 through the belt wheel transmission mechanism III 9-8, the belt wheel transmission mechanism III-8 is arranged on a belt wheel on the rotating shaft of the steering seat 9-11, and two rotating shafts are arranged on the belt wheel The steering return-positive rods 9-9 form an included angle of 60 degrees, two return-positive switches 9-10 which are respectively matched with the two steering return-positive rods 9-9 are installed at the top of the front end of the chassis 1, the return-positive switches 9-10 are connected with a PLC10, and a PLC10 is connected with the steering motors 9-7; the top of the chassis 1 on two sides of the steering motor 9-7 is respectively provided with an installation rod 9-2, two installation rods 9-2 are respectively sleeved with an installation sleeve 9-3, the upper part of each installation sleeve 9-3 is fixedly provided with a feeler 9-1, the lower parts of the two installation rods 9-2 are respectively sleeved with a torsion spring 9-4, one end of each torsion spring 9-4 is respectively fixed on the corresponding installation sleeve 9-3, the other end of each torsion spring 9-4 is fixed on the chassis 1, two limit blocks 9-5 are respectively fixedly arranged on the two installation sleeves 9-3, two steering limit switches 9-6 respectively matched with the two limit blocks 9-5 are fixedly arranged on the chassis 1, and the two steering limit switches 9-6 are connected with the PLC 10.
The utility model has the advantages that:
the utility model provides a stem stalk class crops such as maize at middle period topdressing in-process topdressing unreasonable, topdressing difficulty and the low scheduling problem of level of mechanization, through combining the field agronomy requirement of topdressing, design out a bionical beetle formula full-automatic spiral precision amount topdressing car of fixed point, can realize once topdressing two lines of crops in the operation of different ranks to can adjust the fertilization volume according to the demand of crop.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention with the outer shell removed;
FIG. 3 is a schematic structural view of the walking device of the present invention;
fig. 4 is a schematic structural diagram of the line spacing adjusting device of the present invention;
FIG. 5 is a schematic structural view of the plant detection device of the present invention;
FIG. 6 is a schematic structural view of the spiral fertilizer apparatus of the present invention;
FIG. 7 is a schematic view of the installation structure of the helical blade of the present invention;
FIG. 8 is a schematic structural diagram I of the automatic calibration device of the present invention;
fig. 9 is a schematic structural diagram ii of the automatic correction device of the present invention;
fig. 10 is a schematic diagram of a control circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, 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.
As shown in fig. 1 and 2, a bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle comprises a chassis 1, a walking device 2, a spiral fertilizing device 3, a fertilizer box 4, a fertilizer feeding pipe 5, a support 6 and a shell 11.
The chassis comprises a chassis 1 and is characterized in that a traveling device 2 is installed at the bottom of the chassis 1, as shown in fig. 3, the traveling device 2 comprises rear wheels 2-1, rotating shafts 2-2, traveling motors 2-3, belt wheel transmission mechanisms I2-4 and front wheels 2-5, the rotating shafts 2-2 are installed on the rear side of the bottom of the chassis 1 through bearings, the rear wheels 2-1 are installed at two ends of each rotating shaft 2-2, the rotating shafts 2-2 are connected with power shafts of the traveling motors 2-3 fixedly installed at the bottom of the chassis 1 through the belt wheel transmission mechanisms I2-4, and the front wheels 2-5 are installed on the front side of the bottom of the chassis 1. The running motor 2-3 drives the rotating shaft 2-2 to rotate through the belt wheel transmission mechanism I2-4, the rotating shaft 2-2 drives the two rear wheels 2-1 arranged on the rotating shaft to rotate, the two rear wheels 2-1 are used as driving wheels, the front wheels 2-5 are used as driven wheels, and the two rear wheels support the chassis 1 stably and support all devices arranged on the chassis 1 to run in the field.
The top of the chassis 1 is provided with a support 6, the fertilizer box 4 is fixedly arranged on the support 6, the bottom of the fertilizer box 4 is provided with a fertilizer receiving opening 4-1, the top of the chassis 1 is provided with a spiral fertilizer applying device 3, and the spiral fertilizer applying device 3 is connected with the fertilizer receiving opening 4-1 through a fertilizer inlet pipe 5. By storing fertilizer in the fertilizer box 4, the fertilizer in the fertilizer box 4 falls into the fertilizer application screw 3 through the fertilizer inlet pipe 5 connected to the fertilizer inlet 4-1, and the fertilizer application screw 3 applies the fertilizer to the roots of plants.
The utility model discloses in, two are connect fertile mouthful 4-1 punishment to be provided with a photoelectric sensor II 12 respectively, and two photoelectric sensor II 12 are connected in PLC10 respectively, and when not having fertilizer in fertile case 4, connect fertile mouthful 4-1 punishment not have the fertilizer whereabouts, and at this moment two photoelectric sensor II 12 give PLC10 with the signal transmission that detects, and PLC10 control warning alarm lamp lights, reminds fertile incasement 4 in not having fertilizer, and the staff of being convenient for in time adds fertilizer to the staff.
The utility model discloses in, the bottom left and right sides of fertile case 4 be provided with one respectively and connect fertile mouthful 4-1, every connects fertile mouthful 4-1 to connect one and goes into fertile pipe 5, every goes into fertile pipe 5 and is connected with a spiral fertilizer injection unit 3 respectively. Through setting up two spiral fertilizer injection unit 3, can be simultaneously to two lines of crop topdresses to improve topdressing efficiency.
The two spiral fertilizing devices 3 are respectively arranged on the chassis 1 through a row spacing adjusting device 7. As shown in figure 4, the row spacing adjusting device 7 comprises a bearing with a seat 7-1, a screw rod I7-2, a screw rod nut I7-3, a distance control base 7-4, a guide rod 7-5, a supporting seat 7-6, a belt wheel transmission mechanism II 7-7, a motor 7-8 and a linear bearing I7-9, two ends of the screw rod I7-2 are installed on a chassis 1 through the bearing with the seat 7-1, the left and right sections of threads of the screw rod I7-2 are opposite in rotating direction, the middle of the screw rod I7-2 is connected with a power shaft of the motor 7-8 fixedly installed on the chassis 1 through the belt wheel transmission mechanism II 7-7, the left and right sections of threads of the screw rod I7-2 with opposite rotating direction are respectively provided with the screw rod nut I7-3, the top of the two screw rod nuts I7-3 is respectively fixed with the distance control base 7-4, linear bearings I7-9 are fixedly mounted at the bottoms of the two distance control bases 7-4, guide rods 7-5 penetrate through the linear bearings I7-9 fixedly mounted at the bottoms of the two distance control bases 7-4, two ends of each guide rod 7-5 are fixedly mounted on the base plate 1 through supporting seats 7-6, and the two distance control bases 7-4 are respectively provided with a spiral fertilizing device 3. The motor 7-8 drives the screw rod I7-2 to rotate through the belt wheel transmission mechanism II 7-7, because the left and right screw threads of the screw rod I7-2 are opposite in rotating direction, the screw rod I7-2 can drive the screw rod nuts I7-3 which are arranged on two screw thread sections with opposite rotating directions to move oppositely or oppositely in the rotating process, the distance control bases 7-4 arranged on different screw rod nuts I7-3 and linear bearings I7-9 can move oppositely or oppositely under the limiting and guiding effects of the guide rod 7-5, so that the two distance control bases 7-4 drive the spiral fertilizing devices 3 arranged on the two distance control bases 7-4 to adjust the distance between the spiral fertilizing devices 3, thus when topdressing plants with different line distances, the spiral fertilizing devices 3 can be ensured to be accurately applied to the roots of the plants through the line distance adjusting device 7, the top dressing of plants with different row spacing is satisfied.
In the utility model, as shown in fig. 5-7, the spiral fertilizer device 3 comprises a fertilizer stepping motor 3-1, a coupler 3-2, a fertilizer inlet pipe 3-3, a connecting seat 3-4, a fertilizer delivery pipe 3-5, a fertilizer application pipe 3-6, a spiral blade 3-7 and a fertilizer delivery shaft 3-8, wherein a rotating shaft of the fertilizer stepping motor 3-1 is connected with the fertilizer delivery shaft 3-8 through the coupler 3-2, the fertilizer delivery pipe 3-5 is fixedly arranged on the connecting seat 3-4, the fertilizer delivery shaft 3-8 is provided with the spiral blade 3-7, the spiral blade 3-7 is positioned in the fertilizer delivery pipe 3-5, the outer edge of the spiral blade 3-7 is tangent to the inner wall of the fertilizer delivery pipe 3-5, the top of one end of the fertilizer delivery pipe 3-5 is provided with the fertilizer inlet pipe 3-3 connected with the fertilizer inlet pipe 5, the bottom of the other end of the fertilizer delivery pipe 3-5 is provided with a fertilizer application pipe 3-6. The fertilizer application stepping motor 3-1 drives the fertilizer feeding shaft 3-8 to rotate through the coupler 3-2, the fertilizer feeding shaft 3-8 drives the spiral blade 3-7 on the fertilizer feeding shaft to rotate, when fertilizer entering the fertilizer feeding pipe 5 enters the fertilizer feeding pipe 3-5 through the fertilizer feeding pipe 3-3, the fertilizer feeding shaft 3-8 conveys the fertilizer from the feed end to the discharge end through the spiral blade 3-7 rotating on the fertilizer feeding shaft, and the fertilizer is applied to the root of a plant through the fertilizer applying pipe 3-6; meanwhile, the outer edge of the spiral blade 3-7 is tangent to the inner wall of the fertilizer conveying pipe 3-5, so that the spiral blade 3-7 can thoroughly convey the fertilizer entering the fertilizer conveying pipe 3-5 to the discharge end and discharge the fertilizer through the fertilizer applying pipe 3-6, fertilizer accumulation or adhesion on the inner wall of the fertilizer conveying pipe 3-5 to cause fertilizer waste is avoided, and meanwhile, the application amount of the fertilizer cannot be guaranteed in the application process is avoided. In the process, as the rotating speeds of the fertilizing stepping motors 3-1 are consistent, and the pipe diameters of the fertilizer inlet pipe 5 and the fertilizer inlet pipe 3-3 are unchanged, the amount of fertilizer falling from the fertilizer inlet pipe 5 is constant, and the fertilizer is uniformly conveyed to the fertilizing pipe 3-6 through the spiral blades 3-7 tangent to the inner wall of the fertilizer conveying pipe 3-5, so that the fertilizer applied by each plant is consistent; thereby realizing the precise topdressing of the plants.
The utility model discloses in, as shown in fig. 5, 10, bionical beetle formula full-automatic spiral precision topdressing car of fixing a point still include plant detection device 8, plant detection device 8 include photoelectric sensor I8-4 for detect the photoelectric sensor I8-4 of plant and install on chassis 1, photoelectric sensor I8-4 is connected with PLC10, PLC10 is connected with fertilization step motor 3-1. During the walking process of the topdressing vehicle, plants are firstly sensed through the photoelectric sensor I8-4, after the photoelectric sensor I8-4 senses the plants, signals are transmitted to the photoelectric sensor I8-4, the photoelectric sensor I8-4 controls the fertilization stepping motor 3-1 to work, and fertilizers are accurately applied to the roots of the plants at fixed points.
The plant detection device 8 also comprises a detection stepping motor 8-1, a coupler II 8-2, a detection guide rod 8-3, a screw nut II 8-5, a screw II 8-6, a support base 8-7, a movable base 8-8, a linear bearing II 8-9 and a speed sensor 8-10, wherein two support bases 8-7 are arranged on a distance control base 7-4, two ends of the screw II 8-6 are arranged on the two support bases 8-7 through bearings, one end of the screw II 8-6 is connected with a power shaft of the detection stepping motor 8-1 through a coupler II 8-2, a screw nut II 8-5 is arranged on the screw II 8-6, the screw nut II 8-5 is fixedly arranged on the movable base 8-8, two ends of the detection guide rod 8-3 are fixedly arranged on the two support bases 8-7, the moving seat 8-8 is provided with a linear bearing II 8-9 sleeved on the detection guide rod 8-3, the photoelectric sensor I8-4 is fixedly arranged on the moving seat 8-8, the front wheel 2-5 is provided with a speed sensor 8-10, the speed sensor 8-10 is connected with a PLC10, and the PLC10 is connected with the detection stepping motor 8-1. In the running process of the topdressing vehicle, although the whole topdressing vehicle is driven to run in the field by the running motor 2-3 serving as a driving mechanism, the front wheels 2-5 serving as driven wheels are influenced by the form of the ground due to uneven ground in the field, if the rotating speed of the front wheels 2-5 is influenced, the running speed of the whole topdressing vehicle is also influenced, if the speed of the topdressing vehicle is too high, the applied fertilizer cannot meet the requirement when the spiral fertilizer applying device 3 applies fertilizer to plants, and if the topdressing vehicle runs too slowly, the fertilizer applied to the plants by the spiral fertilizer applying device 3 is too much, so that the plants are burnt, and meanwhile, the fertilizer is wasted. Further, the speed of the front wheels 2-5 is detected by mounting a speed sensor 8-10 on the front wheels 2-5. When the front wheel 2-5 is too fast, the speed sensor 8-10 transmits a signal to the PLC10, the PLC10 controls the detection stepping motor 8-1 to work, the detection stepping motor 8-1 drives the screw nut II 8-5 to rotate, the photoelectric sensor I8-4 on the movable seat 8-8 is driven by the screw nut II 8-5 to move to a proper position far away from one side of the fertilizer delivery pipe 3-5, the PLC10 can control the fertilizer application stepping motor 3-1 to work in advance, in the process of fast walking of the topdressing vehicle, the fertilizer delivery shaft 3-8 drives the spiral blade 3-7 to apply fertilizer in advance, the displacement of fertilizer application is ensured to be consistent with that under normal conditions, and the control of fertilizer application amount is realized. When the front wheel 2-5 is too slow, the speed sensor 8-10 transmits a signal to the PLC10, the PLC10 controls the detection stepping motor 8-1 to work, the detection stepping motor 8-1 drives the screw nut II 8-5 to rotate, the photoelectric sensor I8-4 on the movable seat 8-8 is driven by the screw nut II 8-5 to move to a proper position close to one side of the fertilizer delivery pipe 3-5, the PLC10 can delay control the fertilizer application stepping motor 3-1 to work, in the process of slow walking of the topdressing vehicle, the fertilizer delivery shaft 3-8 drives the spiral blade 3-7 to delay fertilizer application, the displacement of fertilizer application is ensured to be consistent with that under normal conditions, and the control of fertilizer application amount is realized. The constancy of the fertilizer application amount is further ensured through the plant detection device 8, and the spiral fertilizing device 3 can realize precise topdressing under different conditions.
In the utility model, as shown in fig. 8 and 9, the chassis 1 is provided with an automatic correction device 9 connected with a front wheel 2-5 wheel shaft, the automatic correction device 9 comprises an antenna 9-1, an installation rod 9-2, an installation sleeve 9-3, a torsion spring 9-4, a limit block 9-5, a steering limit switch 9-6, a steering motor 9-7, a belt wheel transmission mechanism III 9-8, a steering return rod 9-9, a return switch 9-10 and a steering seat 9-11, the front wheel 2-5 is arranged on the steering seat 9-11, a rotating shaft of the steering seat 9-11 is arranged on the chassis 1 through a bearing, the upper end of the rotating shaft of the steering seat 9-11 is connected with the steering motor 9-7 fixedly arranged on the chassis 1 through the belt wheel transmission mechanism III 9-8, the belt wheel transmission mechanism III 9-8 is arranged on a belt wheel on a rotating shaft of a steering seat 9-11 and is provided with two steering centering rods 9-9, the included angle between the steering centering rods 9-9 is 60 degrees, the top of the front end of the chassis 1 is provided with two centering switches 9-10 which are respectively matched with the two steering centering rods 9-9, the centering switches 9-10 are connected with a PLC10, and the PLC10 is connected with a steering motor 9-7; the top of the chassis 1 on two sides of the steering motor 9-7 is respectively provided with an installation rod 9-2, two installation rods 9-2 are respectively sleeved with an installation sleeve 9-3, the upper part of each installation sleeve 9-3 is fixedly provided with a feeler 9-1, the lower parts of the two installation rods 9-2 are respectively sleeved with a torsion spring 9-4, one end of each torsion spring 9-4 is respectively fixed on the corresponding installation sleeve 9-3, the other end of each torsion spring 9-4 is fixed on the chassis 1, two limit blocks 9-5 are respectively fixedly arranged on the two installation sleeves 9-3, two steering limit switches 9-6 respectively matched with the two limit blocks 9-5 are fixedly arranged on the chassis 1, and the two steering limit switches 9-6 are connected with the PLC 10. When the topdressing vehicle travels, the topdressing vehicle may be deviated to the right or left due to different terrains. When the right deviation occurs, the antenna 9-1 on the right side of the front end of the chassis 1 touches a plant, under the action of the plant, the antenna 9-1 drives the mounting sleeve 9-3 connected with the antenna 9-1 to rotate around the mounting rod 9-2, the mounting sleeve 9-3 drives the limiting block 9-5 connected with the mounting sleeve to act and touch the steering limiting switch 9-6 corresponding to the mounting sleeve, the steering limiting switch 9-6 transmits a signal to the PLC10, the PLC10 drives the steering motor 9-7 to work, the steering motor 9-7 drives the steering seat 9-11 to rotate to the left through the belt wheel transmission mechanism III 9-8, until the mounting rod 9-2 on the right side touches the steering switch 9-10 corresponding to the steering limiting switch, the steering switch 9-10 transmits the signal to the PLC10, and the PLC10 controls the steering motor 9-7 to stop working, similarly, the left antenna 9-1 touches crops, and the PLC10 controls the steering motor 9-7 to drive the front wheels 2-5 to turn right to adjust the direction of the head of the topdressing vehicle. Therefore, the front end of the top dressing vehicle can be ensured to face the front side of the line spacing between two lines of crops, and the whole top dressing vehicle can be ensured to walk in the line spacing between two lines of crops.
The utility model discloses a working process:
the motor 7-8 drives the screw rod I7-2 to rotate through the belt wheel transmission mechanism II 7-7, the left and right thread turning directions of the screw rod I7-2 are opposite, the screw rod I7-2 can drive the screw rod nuts I7-3 which are arranged on two thread sections with opposite turning directions to move oppositely or oppositely in the rotating process, and the distance control bases 7-4 arranged on different screw rod nuts I7-3 and linear bearings I7-9 can move oppositely or oppositely under the limiting and guiding effects of the guide rod 7-5, so that the two distance control bases 7-4 drive the spiral fertilizing devices 3 arranged on the two distance control bases 7-4 to adjust the distance between the spiral fertilizing devices 3, and the two spiral fertilizing devices 3 can carry out topdressing on two rows of plants. The running motor 2-3 drives the rotating shaft 2-2 to rotate through the belt wheel transmission mechanism I2-4, the rotating shaft 2-2 drives the two rear wheels 2-1 arranged on the rotating shaft to rotate, the two rear wheels 2-1 are used as driving wheels, the front wheels 2-5 are used as driven wheels, and the two rear wheels support the chassis 1 stably and support all devices arranged on the chassis 1 to run in the field. During the running process of the topdressing vehicle, plants are firstly sensed through the photoelectric sensor I8-4, after the photoelectric sensor I8-4 senses the plants, signals are transmitted to the photoelectric sensor I8-4, the photoelectric sensor I8-4 controls the fertilization stepping motor 3-1 to work, the fertilization stepping motor 3-1 drives the fertilizer feeding shaft 3-8 to rotate through the coupler 3-2, the fertilizer feeding shaft 3-8 drives the spiral blades 3-7 on the fertilizer feeding shaft to rotate, when fertilizer entering the fertilizer feeding pipe 5 enters the fertilizer feeding pipe 3-5 through the fertilizer feeding pipe 3-3, the fertilizer feeding shaft 3-8 transmits the fertilizer from the feeding end to the discharging end through the spiral blades 3-7 rotating on the fertilizer feeding shaft, and the fertilizer is applied to the roots of the plants through the fertilizer feeding pipe 3-6.
The utility model adopts the photoelectric sensor I8-4 to carry out photoelectric identification, has the characteristics of no damage to plants, accurate identification and the like, improves the working efficiency of the topdressing vehicle, and ensures the fixed-point topdressing stability of the spiral fertilizing device 3; the spiral fertilizer applying device 3 is used for controlling fertilizer application, the flowability and uniformity of the fertilizer during fertilizer delivery are good, and the PLC10 is used for adjusting the distance between the photoelectric sensor I8-4 and the fertilizer delivery pipe 3-5 so as to compensate fertilizer falling deviation, thereby being beneficial to improving the uniformity and accuracy of fertilizer delivery; the row spacing adjusting device 7 is designed, so that the two spiral fertilizing devices 3 can be suitable for the row spacing operation of different plants; the 'antenna' is designed to automatically correct the advancing direction, so that the working stability of the topdressing vehicle is ensured. Through set up shell 11 on chassis 1, through shell 11 with spiral fertilizer injection unit 3, row spacing adjusting device 7, plant detection device 8 in it, can play the effect of protection to spiral fertilizer injection unit 3, row spacing adjusting device 7, plant detection device 8. Meanwhile, the shell 11 and the chassis 1 are assembled to form a structure similar to the appearance of the beetles, so that the appearance attractiveness of the whole topdressing vehicle is improved, and the front end of the beetle-shaped structure is small and the rear end of the beetle-shaped structure is large, so that the walking stability and the practicability of the topdressing vehicle are improved.
Finally, the above embodiments are intended only to illustrate the technical solution of the present invention and not to limit it, and although the present invention has been described in detail with reference to the above preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present invention defined by the appended claims.
Claims (9)
1. A bionic beetle type full-automatic spiral fixed-point precision topdressing vehicle is characterized in that: the bionic beetle type full-automatic spiral fixed-point precise topdressing vehicle comprises a chassis (1), a walking device (2), a spiral fertilizing device (3), a fertilizer box (4), a fertilizer inlet pipe (5), a support (6) and a shell (11), wherein the walking device (2) is installed at the bottom of the chassis (1), the support (6) is installed at the top of the chassis (1), the fertilizer box (4) is fixedly installed on the support (6), a fertilizer receiving opening (4-1) is formed in the bottom of the fertilizer box (4), the spiral fertilizing device (3) is installed at the top of the chassis (1), the spiral fertilizing device (3) is connected with the fertilizer receiving opening (4-1) through the fertilizer inlet pipe (5), the shell (11) is arranged on the chassis (1), and the spiral fertilizing device (3) is located in the shell (11).
2. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 1, wherein: the walking device (2) comprises rear wheels (2-1), a rotating shaft (2-2), a walking motor (2-3), a belt wheel transmission mechanism I (2-4) and front wheels (2-5), wherein the rotating shaft (2-2) is installed on the rear side of the bottom of the chassis (1) through a bearing, the rear wheels (2-1) are installed at two ends of the rotating shaft (2-2) respectively, the rotating shaft (2-2) is connected with a power shaft of the walking motor (2-3) fixedly installed on the bottom of the chassis (1) through the belt wheel transmission mechanism I (2-4), and the front wheels (2-5) are installed on the front side of the bottom of the chassis (1).
3. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 1, wherein: the left side and the right side of the bottom of the fertilizer box (4) are respectively provided with a fertilizer receiving opening (4-1), each fertilizer receiving opening (4-1) is connected with a fertilizer inlet pipe (5), and each fertilizer inlet pipe (5) is respectively connected with a spiral fertilizer applying device (3).
4. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 2, wherein: the two spiral fertilizing devices (3) are respectively arranged on the chassis (1) through the line spacing adjusting device (7).
5. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 4, wherein: the line spacing adjusting device (7) comprises a bearing with a seat (7-1), a screw rod I (7-2), a screw rod nut I (7-3), a distance control base (7-4), a guide rod (7-5), a supporting seat (7-6), a belt wheel transmission mechanism II (7-7), a motor (7-8) and a linear bearing I (7-9), wherein two ends of the screw rod I (7-2) are installed on the chassis (1) through the bearing with the seat (7-1), the left and right thread turning directions of the screw rod I (7-2) are opposite, the middle part of the screw rod I (7-2) is connected with a power shaft of the motor (7-8) fixedly installed on the chassis (1) through the belt wheel transmission mechanism II (7-7), the left and right thread turning directions of the screw rod I (7-2) are opposite, and the screw rod nut I (7-3) is respectively arranged on the thread sections of the left and right, the top of each of the two lead screw nuts I (7-3) is respectively fixed with a distance control base (7-4), the bottom of each of the two distance control bases (7-4) is fixedly provided with a linear bearing I (7-9), a guide rod (7-5) penetrates through the linear bearings I (7-9) fixedly arranged at the bottom of each of the two distance control bases (7-4), two ends of the guide rod (7-5) are fixedly arranged on the chassis (1) through supporting seats (7-6), and the two distance control bases (7-4) are respectively provided with a spiral fertilizing device (3).
6. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to any one of claims 1-5, wherein: the spiral fertilizing device (3) comprises a fertilizing stepping motor (3-1), a coupler (3-2), a fertilizer feeding pipe (3-3), a connecting seat (3-4), a fertilizer conveying pipe (3-5), a fertilizing pipe (3-6), spiral blades (3-7) and a fertilizer conveying shaft (3-8), wherein a rotating shaft of the fertilizing stepping motor (3-1) is connected with the fertilizer conveying shaft (3-8) through the coupler (3-2), the fertilizer conveying pipe (3-5) is fixedly installed on the connecting seat (3-4), the spiral blades (3-7) are arranged on the fertilizer conveying shaft (3-8), the spiral blades (3-7) are positioned in the fertilizer conveying pipe (3-5), and the outer edges of the spiral blades (3-7) are tangent to the inner wall of the fertilizer conveying pipe (3-5), a fertilizer feeding pipe (3-3) connected with the fertilizer feeding pipe (5) is arranged at the top of one end of the fertilizer feeding pipe (3-5), and a fertilizer applying pipe (3-6) is arranged at the bottom of the other end of the fertilizer feeding pipe (3-5).
7. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 6, wherein: the bionic beetle type full-automatic spiral fixed-point precise topdressing vehicle further comprises a plant detection device (8), wherein the plant detection device (8) comprises a photoelectric sensor I (8-4), the photoelectric sensor I (8-4) for detecting plants is installed on the chassis (1), the photoelectric sensor I (8-4) is connected with the PLC (10), and the PLC (10) is connected with the fertilization stepping motor (3-1).
8. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 7, wherein: the plant detection device (8) further comprises a detection stepping motor (8-1), a coupler II (8-2), a detection guide rod (8-3), a screw rod nut II (8-5), a screw rod II (8-6), a support base (8-7), a moving base (8-8), a linear bearing II (8-9) and a speed sensor (8-10), wherein the distance control base (7-4) is provided with the two support bases (8-7), two ends of the screw rod II (8-6) are arranged on the two support bases (8-7) through bearings, one end of the screw rod II (8-6) is connected with a power shaft of the detection stepping motor (8-1) through the coupler II (8-2), and the screw rod nut II (8-5) is arranged on the screw rod II (8-6), the lead screw nut II (8-5) is fixedly arranged on the moving seat (8-8), two ends of the detection guide rod (8-3) are fixedly arranged on the two supporting bases (8-7), the moving seat (8-8) is provided with a linear bearing II (8-9) sleeved on the detection guide rod (8-3), the photoelectric sensor I (8-4) is fixedly arranged on the moving seat (8-8), the front wheel (2-5) is provided with a speed sensor (8-10), the speed sensor (8-10) is connected with the PLC (10), and the PLC (10) is connected with the detection stepping motor (8-1).
9. The bionic crustacean type full-automatic spiral fixed-point precision topdressing vehicle according to claim 2, wherein: the automatic correction device (9) is arranged on the chassis (1) and is connected with a front wheel (2-5) through a wheel shaft, the automatic correction device (9) comprises an antenna (9-1), an installation rod (9-2), an installation sleeve (9-3), a torsion spring (9-4), a limiting block (9-5), a steering limiting switch (9-6), a steering motor (9-7), a belt wheel transmission mechanism III (9-8), a steering return rod (9-9), a return switch (9-10) and a steering seat (9-11), the front wheel (2-5) is arranged on the steering seat (9-11), a rotating shaft of the steering seat (9-11) is arranged on the chassis (1) through a bearing, and the upper end of the rotating shaft of the steering seat (9-11) is connected with the steering motor (9) fixedly arranged on the chassis (1) through the belt wheel transmission mechanism III (9-8) 7) The steering mechanism is characterized in that a belt wheel transmission mechanism III (9-8) is arranged on a belt wheel on a rotating shaft of a steering seat (9-11) and is provided with two steering return rods (9-9), an included angle between the steering return rods (9-9) is 60 degrees, the top of the front end of a chassis (1) is provided with two return switches (9-10) which are respectively matched with the two steering return rods (9-9), the return switches (9-10) are connected with a PLC (10), and the PLC (10) is connected with a steering motor (9-7); the top of a chassis (1) at two sides of a steering motor (9-7) is respectively provided with an installation rod (9-2), the two installation rods (9-2) are respectively sleeved with an installation sleeve (9-3), the upper part of each installation sleeve (9-3) is fixedly provided with a feeler (9-1), the lower parts of the two installation rods (9-2) are respectively sleeved with a torsion spring (9-4), one end of each torsion spring (9-4) is respectively fixed on the corresponding installation sleeve (9-3), the other end of each torsion spring (9-4) is fixed on the chassis (1), the two installation sleeves (9-3) are respectively and fixedly provided with a limiting block (9-5), the chassis (1) is fixedly provided with two steering limiting switches (9-6) which are respectively matched with the two limiting blocks (9-5), the two steering limit switches (9-6) are connected with a PLC (10).
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Cited By (1)
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CN114731816A (en) * | 2022-05-05 | 2022-07-12 | 朱良方 | Fixed-point application method of low-diffusivity organic fertilizer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114731816A (en) * | 2022-05-05 | 2022-07-12 | 朱良方 | Fixed-point application method of low-diffusivity organic fertilizer |
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