CN211581314U - Spiral rotation fruit tree sprinkler - Google Patents
Spiral rotation fruit tree sprinkler Download PDFInfo
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- CN211581314U CN211581314U CN201921724230.7U CN201921724230U CN211581314U CN 211581314 U CN211581314 U CN 211581314U CN 201921724230 U CN201921724230 U CN 201921724230U CN 211581314 U CN211581314 U CN 211581314U
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Abstract
The utility model discloses a spiral rotation fruit tree sprinkler, a serial communication port, including spiral rotation mechanism, spray lance radial extension mechanism, main tributary vaulting pole. The main supporting rod is vertically fixed on the ground, the upper part of the main supporting rod is positioned above a fruit tree canopy, and a hollow cylindrical rod body is arranged; the spiral slewing mechanism is arranged on the upper portion of the main support rod and comprises a double-spiral guide rail, a shaft connecting piece, a guide ball, a thrust bearing, a first lifting cable and the like. The utility model discloses sprinkler is when using, stands the main tributary vaulting pole in the position that is close to the fruit tree trunk, makes the center of rotation of spray lance be close to the center of fruit tree as far as possible, when spraying the liquid medicine, can top-down rotate around the fruit tree canopy through spiral rotation mechanism and the radial extension mechanism of spray lance, and the laminating sweep fruit tree canopy realizes that the fruit tree canopy at even no dead angle covers entirely and sprays. The utility model discloses sprinkler control method is simple, convenient operation, and easily realizes, and the power consumption is lower, is fit for using widely.
Description
Technical Field
The utility model belongs to the technical field of the agricultural, a orchard pesticide sprinkler specifically is a spiral rotation fruit tree sprinkler.
Background
At present, a large amount of chemical pesticide is still needed to be applied in the fruit tree pest control operation, because fruit tree planting in China is mainly conducted in hilly and mountainous areas and is limited by factors such as terrain environment, planting models and the like, the traditional orchard spraying machine is difficult to enter the orchard for operation, and the manual spraying workload accounts for more than 80%. The fruit tree has tall and large crown and luxuriant branches, the manual spray of fog drops is difficult to uniformly cover all the crown layers, the phenomenon of heavy spray and missed spray is serious, a large amount of pesticides are forced to be sprayed for multiple times, and the problems of environmental pollution and food safety are increasingly prominent.
Along with the development of modern orchard scale planting, orchard pipeline application of pesticides sprinkler is more and more applied to the sick worm prevention and cure operation, however, current pipeline application of pesticides sprinkler adopts the support to arrange the shower nozzle mainly, and the shower nozzle position is fixed with the spraying angle, still has a large amount of dead angles of spraying and the overlapping region of spraying.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a spiral rotation fruit tree sprinkler utilizes spiral rotation mechanism and the radial mechanism's laminating of extending of spray lance to sweep the fruit tree canopy, can realize the operation of spraying at even no dead angle, improves the fruit tree and sprays the technique.
In order to achieve the technical purpose, the utility model provides a technical scheme does:
a spiral rotary fruit tree spraying device is characterized by comprising a spiral rotary mechanism, a spray rod radial extension mechanism and a main support rod;
the main support rod is erected at a position close to the trunk of the fruit tree and vertically fixed on the ground, and a hollow cylindrical rod body is arranged at the upper part of the main support rod and is positioned above the crown layer of the fruit tree;
the spiral slewing mechanism is arranged on the upper portion of the main support rod and comprises a double-spiral guide rail, a shaft connecting piece, guide balls, a thrust bearing and a first lifting cable, wherein the double-spiral guide rail is arranged on the outer wall of the cylindrical rod body; the first lifting stay cable consists of a left unit stay cable section and a right unit stay cable section, one end of each unit stay cable section is connected to the shaft connecting piece, and the other end of each unit stay cable section passes through the corresponding stay cable pulley to enter the cylindrical rod body and is connected with a transmission mechanism for controlling the lifting of the first lifting stay cable;
the spray rod radial extension mechanism is arranged on the outer side of the spiral rotation mechanism and comprises an extension rod, an extension guide rail, a rotation stay cable, a rotation wheel set, a rotation joint and a spray rod, the top end of the extension rod is movably connected with the shaft connecting piece, the lower end of the extension rod is connected with the spray rod, the middle part of the extension rod is connected with the extension guide rail through a rolling shaft, and the rolling shaft is arranged in a guide groove of the extension guide rail and can move along the guide groove of the extension guide rail; the extension guide rail comprises a guide rod section and a shaft sleeve, the guide rod is provided with a guide groove, the upper end of the guide groove is close to the main support rod, the lower end of the guide groove is far away from the main support rod, the shaft sleeve is rotatably arranged on the cylindrical rod body and is positioned below the double-helix guide rail, and the guide rod is fixedly connected with the shaft sleeve through a support arm; the rotary wheel set and the spray rod are both arranged at the bottom end of the extension rod, the rotary wheel set is provided with a first cable winding disc and a coil spring for controlling the first cable winding disc to rotate, one end of a rotary cable is connected with the bottom end of the extension guide rail guide rod, the other end of the rotary cable is wound on the first cable winding disc, the rotation of the first cable winding disc is transmitted to the spray rod through a transmission structure, and the spray rod is controlled to rotate on a vertical surface; in the descending process of the shaft connecting piece, the spray rod rotates towards the vertical direction; the rotary joint is sleeved on the cylindrical rod body and located below the shaft sleeve, a liquid outlet capable of synchronously rotating with the spray rod is formed in the rotary joint, and the liquid outlet of the rotary joint is connected with a liquid inlet of the spray rod.
On the basis of the above scheme, a further improved or preferred scheme further comprises:
the shaft connecting piece preferably adopts a one-way bearing, the unit cable section is connected to the inner ring of the one-way bearing, the top end of the stretching rod is connected to the outer ring of the one-way bearing, when the one-way bearing descends along the double-spiral guide rail and rotates positively, the inner ring and the outer ring are locked mutually, and the two rotate synchronously; when the one-way bearing ascends along the double-spiral guide rail and rotates reversely, the inner ring idles.
The spraying device is also provided with a hydraulic driving mechanism and a liquid flow control module, wherein the hydraulic driving mechanism and the liquid flow control module are arranged on the main support rod and are positioned below the spray rod radial extension mechanism. The hydraulic driving mechanism comprises a water turbine, a gear transmission case, a second lifting stay cable and a second stay cable coiling disc, and the water turbine is connected with the liquid flow control module through a liquid delivery pipeline; one end of the second lifting cable is connected with the first lifting cable, the other end of the second lifting cable is wound on the second cable winding disc, the water turbine is connected to the gear transmission case through the transmission shaft, power is transmitted to the second cable winding disc through the gear transmission case, and the lifting of the second lifting cable is controlled.
The liquid flow control module is provided with a plurality of pressure stabilizing electromagnetic valve groups. The multi-path pressure-stabilizing electromagnetic valve set comprises a main pipeline and a section of overflow pipeline, wherein a solenoid valve A, a solenoid valve B and a solenoid valve C are sequentially arranged on the main pipeline, a valve set liquid inlet is formed in one end, close to the solenoid valve A, of the main pipeline, a valve set liquid outlet is formed in one end, close to the solenoid valve C, of the main pipeline, and a water turbine backflow port, a spraying liquid supply port and a water turbine liquid supply port are further formed in the main pipeline between the valve set liquid inlet and the valve set liquid; the inlet of the overflow pipeline is connected with the liquid inlet of the valve group, the outlet of the overflow pipeline is connected with the liquid outlet of the valve group, and the overflow pipeline is provided with a pressure stabilizing overflow valve.
The electromagnetic valve A is used for controlling the on-off of the main pipeline and is arranged at the downstream of the inlet of the overflow pipeline; the electromagnetic valve B controls the switching of the on-off of the main pipeline and the liquid supply port of the water turbine; the electromagnetic valve C controls the switching of the on-off of the main pipeline and the spraying liquid supply port; and the pressure-stabilizing overflow valve controls the on-off of the overflow pipeline. The liquid inlet of the multi-path pressure-stabilizing electromagnetic valve bank is connected with the medicine mixing pool through a power water pump, and the liquid outlet of the valve bank is connected with the medicine mixing pool through a return pipeline; the water turbine backflow port is arranged between the electromagnetic valve C and the valve group liquid outlet and is connected with the liquid outlet of the water turbine; the spraying liquid supply port is connected with the spray rod; and the liquid supply port of the water turbine is connected with the liquid inlet of the water turbine.
The outer diameter of the shaft ring on the upper portion of the thrust bearing is larger than that of the seat ring on the lower portion, the shaft ring exceeds the portion of the seat ring, the left side and the right side of the shaft ring are respectively provided with a limiting hole which is communicated up and down, and the unit stay cable section upwards penetrates through the limiting holes and then bypasses from the stay cable pulley.
The rotary joint is provided with an annular movable rotary table and an annular fixed rotary table which are nested up and down, an annular cavity is arranged between the movable rotary table and the fixed rotary table, a liquid inlet of the rotary joint is arranged on the fixed rotary table, a liquid outlet of the rotary joint is arranged on the movable rotary table, the fixed rotary table is fixedly arranged on the main support rod, the movable rotary table is connected with a shaft sleeve of the extension guide rail and synchronously rotates with the spray rod, and a sealing ring is arranged on the contact surface of the movable rotary table and the fixed rotary table.
The point that the extension rod is connected with the spray rod does not exceed the middle position of the spray rod outwards.
The spray lance is an arc-shaped spray lance which is profiled with the shape of the fruit tree canopy.
The guide groove on the guide rod is an arc-shaped guide groove, and the arc shape of the guide groove is outwards convex.
Has the advantages that:
the utility model discloses spiral rotation fruit tree sprinkler is when using, stands the main tributary vaulting pole in the position that is close to the fruit tree trunk, makes the center of rotation of spray lance be close to the center of fruit tree as far as possible, when spraying the liquid medicine, can top-down rotate around fruit tree canopy through spiral rotation mechanism and the radial extension mechanism of spray lance, and the laminating sweeps fruit tree canopy, realizes that the fruit tree canopy all standing at even no dead angle sprays. The utility model discloses sprinkler control method is simple, convenient operation, and easily realizes, and the power consumption is lower, is fit for using widely.
Drawings
FIG. 1 is a schematic structural view of the spiral rotary fruit tree spraying device of the present invention;
FIG. 2 is a schematic view of the structure of the spiral rotation and boom extension mechanism;
FIG. 3 is a cross-sectional view of a spiral turn mechanism;
FIG. 4 is a cross-sectional view of the swivel joint;
fig. 5 is a schematic structural diagram of a multi-way pressure stabilizing solenoid valve set;
FIG. 6 is a schematic diagram of the hydraulic drive mechanism and the flow control module;
FIG. 7 is a flow chart of the operation of the multi-way pressure-stabilizing solenoid valve set;
FIG. 8 is a diagram illustrating the operation of the screw rotation and boom extension.
Detailed Description
In order to further clarify the technical solution and the working principle of the present invention, the present invention is described in detail with reference to the accompanying drawings and the specific embodiments.
The spiral rotary fruit tree spraying device shown in fig. 1 comprises a spiral rotary mechanism 1, a spray rod radial extension mechanism 2, a hydraulic drive mechanism 3, a liquid flow control module 4, a main support rod 5, a power water pump 6, a pesticide mixing pool and the like.
The main supporting rod 5 is vertically fixed on the ground and is used for fixedly supporting other components. The upper portion of main tributary vaulting pole 5 is equipped with the cylindrical body of rod of cavity, the cylindrical body of rod is located the top of fruit tree canopy. The spiral slewing mechanism 1 and the spray rod radial stretching mechanism 2 are both arranged at the upper part of the main support rod 5 and are positioned above the fruit tree canopy.
As shown in fig. 2, the spiral slewing mechanism 1 is composed of a double spiral guide rail 11, a shaft connector 12, a guide ball 13, a thrust bearing 14, a first lifting cable 15, and the like.
The double-spiral guide rail 11 is a sleeve part fixed on the outer wall of the cylindrical rod body, and a double-spiral guide groove is machined in the outer surface of the sleeve part.
In this embodiment, the shaft connector 12 is a one-way bearing, the one-way bearing (or one-way ratchet) includes an inner ring and an outer ring, and the opposite surfaces of the inner ring and the outer ring are provided with non-return structures such as ratchets and pawls. The inner ring of the shaft connecting piece 12 is sleeved on the outer side of the cylindrical rod body, the left side and the right side of the inner ring are respectively provided with one guide ball 13 corresponding to the double-spiral guide grooves, and the inner sides of the two guide balls 13 are respectively embedded into the corresponding spiral guide grooves. Guided by the spiral guide groove, when the shaft connecting piece 12 ascends or descends along the double-spiral guide rail 11, rotation can be generated, and the one-way bearing is selected, so that the one-way bearing 12 descends, when the inner ring rotates in the positive direction, the pawl of the inner ring is inserted into the ratchet of the outer ring, and the inner ring and the outer ring are locked and rotate synchronously; and the one-way bearing rises along the double-spiral guide rail 11, when the one-way bearing rotates reversely, the pawl of the inner ring slides over the ratchet of the outer ring, and the inner ring idles and does not drive the outer ring to rotate, so that the energy consumption is saved.
The thrust bearing 14 is composed of a race, a shaft ring, balls, a retainer and the like and is arranged at the top end of the main support rod 5. The thrust bearing race at the lower part is fixed on the main support rod 5, and the upper end surface of the thrust bearing race at the upper part is provided with a left pull rope pulley and a right pull rope pulley. The first lifting stay cable 15 is composed of a left unit stay cable section and a right unit stay cable section, one end of each unit stay cable section is connected to the inner ring of the one-way bearing, the other end of each unit stay cable section bypasses the corresponding stay cable pulley, enters the main support rod 5 from the opening at the top of the cylindrical rod body, and is connected with a transmission mechanism for controlling the lifting of the first lifting stay cable 15. The outer diameter of the shaft ring at the upper part of the thrust bearing 14 is larger than that of the seat ring at the lower part, the shaft ring exceeds the seat ring, the left side and the right side of the shaft ring are respectively provided with a limiting hole which is communicated up and down, and the unit stay cable section upwards passes through the limiting hole and then bypasses the stay cable pulley, as shown in figure 3. The thrust bearing 14 can rotate freely in the plane, and winding of the lifting cable during reciprocating rotation of the following shaft connecting piece 12 is avoided.
As shown in fig. 2, the radial boom extension mechanism 2 is arranged outside the spiral slewing mechanism 1 and includes an extension rod 21, an extension guide rail 22, a slewing cable 23, a slewing wheel set 24, a slewing joint 25, a boom 27 and the like.
The top end of the extension rod 21 is movably connected with the outer ring of the one-way bearing through a ball head structure or a shaft rod and the like (the extension rod 21 has the freedom degree of expanding in the radial direction of the spraying device), the lower end of the extension rod is connected with the spray rod 27, and the middle part of the extension rod is connected with the extension guide rail 22 through a rolling shaft. The rolling shaft is provided in the guide groove of the extension rail 22, and is movable up and down along the guide groove of the extension rail, but is not detachable in the front-rear direction.
The extension guide 22 includes a guide rod and a sleeve, the guide rod is provided with an arc guide groove protruding outward, the upper end of the arc guide groove is close to the main support rod 5, and the lower end of the arc guide groove is far away from the main support rod 5.
The shaft sleeve is rotatably installed on the cylindrical rod body and located below the double-spiral guide rail 11, and the guide rod is fixedly connected with the shaft sleeve through the two support arms.
The rotary wheel set 24 and the spray rod 27 are both installed at the bottom end of the stretching rod 21, the rotary wheel set 24 is provided with a first cable winding disc and a coil spring 28 for controlling the first cable winding disc to rotate, one end of the rotary cable 23 is connected with the bottom end of the guide rod of the stretching guide rail 22, the other end of the rotary cable is wound on the first cable winding disc, the rotation of the first cable winding disc is transmitted to the spray rod 27 through a gear transmission structure, and the spray rod 27 is controlled to rotate on a vertical surface. That is, during the descent of the one-way bearing 12, the spray bar 27 rotates not only in the horizontal plane around the main support shaft 5 but also in the vertical plane toward the standing direction to achieve dynamic profiling of the crown layer shape.
The spray bar 27 is an arc-shaped spray bar, a plurality of spray heads are arranged on one side of the spray bar 27 facing the fruit tree, the connecting point of the extension rod 21 and the spray bar 27 is generally outward and does not exceed the middle position of the spray bar 27, and as shown in fig. 2, the connecting position of the extension rod 21 and the spray bar 27 is close to one end of the inner side of the spray bar 27. In the initial state, the spray rod 27 is transversely arranged, the arc shape is upwards convex, the spray rod gradually inclines in the rotating process, the spray rod is transited to the standing state, and as shown in fig. 8, the spraying operation on the fruit tree canopy layer is completed through dynamic profiling without even dead angles.
The rotary joint 25 is sleeved on the cylindrical rod body and located below the shaft sleeve, a liquid outlet capable of synchronously rotating with the spray rod 27 is formed in the rotary joint 25, and the liquid outlet of the rotary joint 25 is connected with a liquid inlet of the spray rod 27. The rotary joint 25 is provided with an annular movable rotary table 25-1 and an annular fixed rotary table 25-2 which are nested up and down, an annular cavity is formed between the movable rotary table 25-1 and the fixed rotary table 25-2, a liquid inlet 25-4 of the rotary joint 25 is arranged on the fixed rotary table 25-2, a liquid outlet 25-5 of the rotary joint 25 is arranged on the movable rotary table 25-1, the fixed rotary table 25-2 is fixedly arranged on the main support rod 5, and the movable rotary table 25-1 is fixedly connected with a shaft sleeve of the extension guide rail 22 and rotates along with the spray rod 27. The contact surface of the movable rotary disc 25-1 and the fixed rotary disc 25-2 is provided with a sealing ring 25-3 to prevent the leakage of the liquid medicine.
When the spray rod radial extension mechanism 2 moves downwards, the extension rod 21 does radial extension movement along the guide groove of the extension guide rail 22 under the action of the middle section rolling shaft; the stretching rod 21 and the stretching guide rail 22 rotate together with the outer ring of the one-way bearing. When the stretching rod 21 is stretched downwards, the rotary wheel set 24 is far away from the lower end of the stretching guide rail 22, the rotary stay cable 23 is pulled open, the rotary wheel set 24 is driven to rotate, the rotating speed is adjusted through the rotary wheel set, and the driven wheel drives the spray rod 27 to rotate anticlockwise on a vertical surface through the gear driving mechanism. And a coil spring 28 in the rotary wheel set 24 is stretched to accumulate force during the pulling process of the rotary cable 23. When the radial spray rod extension mechanism 2 is lifted up under the action of the lifting cable, the extension rod 21 contracts upwards along the extension guide rail 22, and the coil spring 28 releases the stored force to drive the spray rod 27 to rotate and reset clockwise on the vertical surface. The liquid medicine enters from the liquid inlet of the rotary joint 25, is conveyed to the liquid outlet through the inner cavity of the rotary joint 25, and is conveyed to the spray rod 27 through the liquid conveying pipe 26. The rotary joint 25 and the movable rotary disc can synchronously rotate along with the extension guide rail 22, and the phenomenon that the infusion tube 26 is wound in the spiral rotation process of the spraying device is avoided.
The hydraulic driving mechanism 3 and the liquid flow control module 4 can be arranged at the middle section and the lower section of the main supporting rod 5.
The hydraulic driving mechanism comprises a water turbine 31, a gear transmission case 32, a second lifting cable 33, a second cable take-up disc and the like. The hydraulic turbine 31 is connected with the liquid flow control module 4 through a liquid conveying pipeline. One end of the second lifting cable 33 is connected with the first lifting cable 15 (the two unit cable sections are connected with the second lifting cable through a connecting block), and the other end is wound on the second cable winding disc. The liquid medicine is transported to the hydraulic turbine by the water inlet of the hydraulic turbine through the liquid transport pipe and flows out from the water outlet of the hydraulic turbine, the liquid flow pushes the hydraulic turbine runner to rotate, the hydraulic turbine 31 is connected to the gear change box 32 through the transmission shaft, power is transmitted to the second stay rope coiling disc through the gear change box 32, the lifting of the second lifting stay rope 33 is controlled, and therefore the lifting of the one-way bearing is controlled.
In the present embodiment, the hydraulic drive mechanism 3 is preferably used, but the hydraulic drive mechanism 3 may be replaced by another equivalent drive mechanism.
The liquid flow control module 4 is provided with a digital control end 41, a multi-path pressure-stabilizing electromagnetic valve group 42, a liquid conveying pipe 43 and the like.
The multi-path pressure-stabilizing electromagnetic valve group 42 is provided with a main pipeline and a section of overflow pipeline 42-3, wherein the main pipeline is sequentially provided with an electromagnetic valve A, an electromagnetic valve B, an electromagnetic valve C and a pressure stabilizer 42-6, a valve group liquid inlet 42-1 is arranged at one end of the main pipeline close to the electromagnetic valve A, a valve group liquid outlet 42-4 is arranged at one end of the main pipeline close to the electromagnetic valve C, and a water turbine return port 42-5, a spraying liquid supply port 42-6 and a water turbine liquid supply port 42-8 are also arranged on the main pipeline between the valve group liquid inlet 42-1 and the valve group liquid outlet 42-; the inlet of the overflow pipeline 42-3 is connected with the valve group liquid inlet 42-1, the outlet is connected with the valve group liquid outlet 42-4, and the overflow pipeline 42-3 is provided with a pressure stabilizing overflow valve.
The electromagnetic valve A is used for controlling the on-off of the main pipeline and is arranged at the downstream of an inlet of the overflow pipeline 42-3; the electromagnetic valve B controls the switching of the on-off of the main pipeline and the liquid supply port 42-8 of the water turbine; the electromagnetic valve C controls the switching of the on-off of the main pipeline and the spraying liquid supply port 42-6; and the pressure-stabilizing overflow valve controls the on-off of the overflow pipeline.
A valve bank liquid inlet 42-1 of the multi-path pressure-stabilizing electromagnetic valve bank 42 is connected with a medicine mixing pool 7 through a power water pump 6, and a valve bank liquid outlet 42-4 is connected with the medicine mixing pool through a return pipeline; the water turbine return port 42-5 is arranged between the electromagnetic valve C and the valve group liquid outlet 42-4 and is connected with a liquid outlet of the water turbine 31; the spraying liquid supply port 42-6 is connected with the spray bar 27; and the liquid supply port 42-8 of the water turbine is connected with a liquid inlet of the water turbine.
The liquid medicine enters the multi-path pressure-stabilizing electromagnetic valve set 42 through the infusion tube, and the digital control end 41 controls the multi-path pressure-stabilizing electromagnetic valve set 42 to execute operation. The working process of the multi-way pressure stabilizing solenoid valve group 42 is shown in fig. 7: in the initial state, the electromagnetic valve A is closed, the liquid medicine jacks up the pressure-stabilizing overflow valve, enters the valve group liquid outlet 42-4 through an overflow pipeline, flows back to the medicine mixing pool 7 through the valve group liquid outlet 42-4, and enters a driving state after the liquid medicine pressure is stabilized; in the driving state, the electromagnetic valve A is opened, the electromagnetic valve B opens the liquid supply port 42-8 of the water turbine, the main pipeline passage is closed, the liquid supply passage of the water turbine is closed, the liquid medicine is conveyed to the water turbine 31 through a liquid conveying pipe and flows out from the liquid outlet, the liquid flow pushes the rotating wheel of the water turbine to rotate, the liquid medicine flowing out of the liquid outlet of the water turbine flows back to the return port 42-5 of the water turbine through the liquid conveying pipe, and the spraying state is achieved after the driving action; and (III) in a spraying state, the electromagnetic valve A is opened, the electromagnetic valve B opens a main pipeline passage, the liquid supply port 42-8 of the water turbine is closed, namely the liquid supply passage of the water turbine is closed, the electromagnetic valve C opens the spraying liquid supply port 42-7, liquid medicine is conveyed to the spray rod 27, and the liquid medicine is conveyed to the spray head through a liquid conveying pipe for spraying. And after one operation task is completed, each action part resets.
The digital control end 41 adopts a 32-bit high-performance STM32F103 microcontroller as a main control chip. The user can plan the operation parameters such as spraying time, times, period, liquid medicine usage amount and the like through the digital control terminal 41 according to the disease and insect pest occurrence information of the operation fruit trees, the using requirements of the liquid medicine and the like. The digital control end 41 controls the multi-path pressure-stabilizing electromagnetic valve group 42 according to the operation plan, and the multi-path pressure-stabilizing electromagnetic valve group 42 executes the switching command of each path of electromagnetic valve to control the liquid flow conveying process of the liquid conveying pipe, so that the accurate, efficient, safe and controllable spraying operation is realized.
The working process of the spiral rotary fruit tree spraying device is as follows:
the hydraulic drive mechanism 3 is controlled to act through the hydraulic control module 4, and the one-way bearing 12 is lifted to the top end of the double-helix guide rail 11 through the first lifting cable 15;
releasing the control on the first lifting stay 15 to enable the one-way bearing 12 to fall under the action of gravity, enabling the inner ring and the outer ring of the one-way bearing 12 to synchronously rotate through the guide of the double-spiral guide rail 11 and the restriction of the ratchet structure of the one-way bearing in the falling process of the one-way bearing 12 to drive the spray rod radial stretching mechanism 2 to rotate in the horizontal direction, enabling the stretching rod 21 to descend along with the one-way bearing in the rotating process and stretch in the radial direction under the guide of the stretching guide rail 22, driving the spray rod 27 to rotate on the vertical plane through the change of the release length of the rotary stay 23, and completing the spraying of the fruit tree crown layer from top to bottom by conveying liquid medicine to the spray rod 27, as shown in fig. 8;
and (III) after spraying is finished, the one-way bearing is lifted to the top end of the double-helix guide rail 11 through the first lifting cable 15, and the spray rod 27 is reset under the action of the coil spring.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims, specification and equivalents thereof.
Claims (9)
1. A spiral rotary fruit tree spraying device is characterized by comprising a spiral rotary mechanism (1), a spray rod radial extension mechanism (2) and a main support rod (5);
the main supporting rod (5) is erected at a position close to the trunk of the fruit tree and vertically fixed on the ground, and a hollow cylindrical rod body is arranged at the upper part of the main supporting rod (5) and is positioned above the crown layer of the fruit tree;
the spiral slewing mechanism (1) is arranged at the upper part of the main support rod (5) and comprises a double-spiral guide rail (11), a shaft connecting piece (12), a guide ball (13), a thrust bearing (14) and a first lifting cable (15), wherein the double-spiral guide rail (11) is arranged on the outer wall of the cylindrical rod body; the shaft connecting piece (12) is sleeved on the outer side of the cylindrical rod body, the left side and the right side of the inner side of the shaft connecting piece (12) are respectively provided with a guide ball (13), and the inner side of each guide ball (13) is embedded into the guide groove of the double-spiral guide rail (11); the thrust bearing (14) is installed at the top end of the main support rod (5), a lower race of the thrust bearing (14) is fixed on the main support rod (5), and the upper end surface of an upper race of the thrust bearing (14) is provided with a left pull rope pulley and a right pull rope pulley; the first lifting stay cable (15) consists of a left unit stay cable section and a right unit stay cable section, one end of each unit stay cable section is connected to the shaft connecting piece (12), and the other end of each unit stay cable section passes through the corresponding stay cable pulley to enter the cylindrical rod body and is connected with a transmission mechanism for controlling the first lifting stay cable (15) to lift;
the spray rod radial extension mechanism (2) is arranged on the outer side of the spiral rotation mechanism (1) and comprises an extension rod (21), an extension guide rail (22), a rotation inhaul cable (23), a rotation wheel set (24), a rotation joint (25) and a spray rod (27), the top end of the extension rod (21) is movably connected with the shaft connecting piece (12), the lower end of the extension rod is connected with the spray rod (27), the middle part of the extension rod is connected with the extension guide rail (22) through a rolling shaft, and the rolling shaft is arranged in a guide groove of the extension guide rail (22) and can move along the guide groove of the extension guide rail; the extension guide rail (22) comprises a guide rod and a shaft sleeve, the guide rod is provided with a guide groove, the upper end of the guide groove is close to the main support rod (5), the lower end of the guide groove is far away from the main support rod (5), the shaft sleeve is rotatably arranged on the cylindrical rod body and is positioned below the double-spiral guide rail (11), and the guide rod is fixedly connected with the shaft sleeve through a support arm; the rotating wheel set (24) and the spray rod (27) are both mounted at the bottom end of the stretching rod (21), the rotating wheel set (24) is provided with a first cable winding disc and a coil spring (28) for controlling the first cable winding disc to rotate, one end of the rotating cable (23) is connected with the bottom end of a guide rod of the stretching guide rail (22), the other end of the rotating cable is wound on the first cable winding disc, the rotation of the first cable winding disc is transmitted to the spray rod (27) through a transmission structure, and the spray rod (27) is controlled to rotate on a vertical plane; in the descending process of the shaft connecting piece (12), the spray rod (27) rotates towards the standing direction; the rotary joint (25) is sleeved on the cylindrical rod body and located below the shaft sleeve, a liquid outlet capable of rotating synchronously with the spray rod (27) is formed in the rotary joint (25), and the liquid outlet of the rotary joint (25) is connected with a liquid inlet of the spray rod (27).
2. The spiral rotary fruit tree spraying device as claimed in claim 1, wherein the shaft connector (12) is a one-way bearing, the unit cable section is connected to the inner ring of the one-way bearing, the top end of the stretching rod (21) is connected to the outer ring of the one-way bearing, when the one-way bearing descends along the double-spiral guide rail (11) and rotates positively, the inner ring and the outer ring are locked, and the two rotate synchronously; when the one-way bearing ascends along the double spiral guide rail (11) and reverses, the inner ring thereof idles.
3. The rotary spiral fruit tree spraying device as claimed in claim 1, wherein a hydraulic driving mechanism (3) and a hydraulic control module (4) are provided, the hydraulic driving mechanism (3) and the hydraulic control module (4) are mounted on the main supporting rod (5) and are located below the boom radial extension mechanism (2);
the hydraulic driving mechanism (3) comprises a water turbine (31), a gear transmission case (32), a second lifting cable (33) and a second cable take-up disc, and the water turbine (31) is connected with the hydraulic control module (4) through a liquid conveying pipe; one end of the second lifting cable (33) is connected with the first lifting cable (15), the other end of the second lifting cable is wound on the second lifting cable winding disc, the water turbine (31) is connected to the gear transmission case (32) through the transmission shaft, power is transmitted to the second lifting cable winding disc through the gear transmission case (32), and the lifting of the second lifting cable (33) is controlled.
4. The spiral rotary fruit tree spraying device as claimed in claim 3, wherein the flow control module (4) is provided with a plurality of pressure-stabilizing solenoid valve sets (42);
the multi-path pressure-stabilizing electromagnetic valve group (42) comprises a main pipeline and a section of overflow pipeline (42-3), wherein an electromagnetic valve A, an electromagnetic valve B and an electromagnetic valve C are sequentially arranged on the main pipeline, a valve group liquid inlet (42-1) is arranged at one end of the main pipeline close to the electromagnetic valve A, a valve group liquid outlet (42-4) is arranged at one end of the main pipeline close to the electromagnetic valve C, and a water turbine return port (42-5), a spraying liquid supply port (42-6) and a water turbine liquid supply port (42-8) are further arranged on the main pipeline between the valve group liquid inlet (42-1) and the valve group liquid outlet (42-4); an inlet of the overflow pipeline (42-3) is connected with the valve group liquid inlet (42-1), an outlet of the overflow pipeline is connected with the valve group liquid outlet (42-4), and the overflow pipeline (42-3) is provided with a pressure stabilizing overflow valve;
the electromagnetic valve A is used for controlling the on-off of the main pipeline and is arranged at the downstream of an inlet of the overflow pipeline (42-3); the electromagnetic valve B controls the switching of the on-off of the main pipeline and a liquid supply port (42-8) of the water turbine; the electromagnetic valve C controls the switching of the on-off of the main pipeline and the spraying liquid supply port (42-6); the pressure-stabilizing overflow valve controls the on-off of the overflow pipeline;
a valve group liquid inlet (42-1) of the multi-path pressure-stabilizing electromagnetic valve group (42) is connected with a medicine mixing pool (7) through a power water pump (6), and a valve group liquid outlet (42-4) is connected with the medicine mixing pool through a return pipeline; the water turbine return port (42-5) is arranged between the electromagnetic valve C and the valve group liquid outlet (42-4) and is connected with a liquid outlet of the water turbine (31); the spraying liquid supply port (42-6) is connected with the spray rod (27); and the liquid supply port (42-8) of the water turbine is connected with a liquid inlet of the water turbine.
5. The spiral rotary fruit tree spraying device as claimed in claim 1, wherein the outer diameter of the upper shaft ring of the thrust bearing is larger than that of the lower seat ring, the shaft ring exceeds the seat ring, the left and right sides of the shaft ring are respectively provided with a limiting hole which is through up and down, and the unit cable section passes through the limiting hole upwards and then passes around the cable pulley.
6. The spiral rotary fruit tree spraying device as claimed in claim 1, the rotary joint (25) is provided with an annular movable turntable (25-1) and an annular fixed turntable (25-2) which are nested up and down, an annular cavity is arranged between the movable rotary table (25-1) and the fixed rotary table (25-2), a liquid inlet (25-4) of the rotary joint (25) is arranged on the fixed rotary table (25-2), a liquid outlet (25-5) of the rotary joint (25) is arranged on the movable rotary table (25-1), the fixed rotary table (25-2) is fixedly arranged on the main supporting rod (5), the movable rotary table (25-1) is connected with a shaft sleeve of the extension guide rail (22), the rotary table rotates synchronously with the spray rod (27), and a sealing ring (25-3) is arranged on the contact surface of the movable rotary table (25-1) and the fixed rotary table (25-2).
7. The rotary fruit tree spraying device as claimed in claim 1, wherein the connection point of the extending rod (21) and the spray bar (27) is not beyond the middle position of the spray bar (27).
8. The rotary spiral fruit tree spraying device as claimed in claim 1, wherein the spray bar (27) is an arc-shaped spray bar which is shaped to follow the shape of the fruit tree canopy.
9. The rotary fruit tree spraying device as claimed in claim 1, wherein the guiding groove of the guiding rod is an arc-shaped guiding groove, and the arc shape of the guiding groove is convex outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921724230.7U CN211581314U (en) | 2019-10-15 | 2019-10-15 | Spiral rotation fruit tree sprinkler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921724230.7U CN211581314U (en) | 2019-10-15 | 2019-10-15 | Spiral rotation fruit tree sprinkler |
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| CN211581314U true CN211581314U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547281A (en) * | 2019-10-15 | 2019-12-10 | 农业农村部南京农业机械化研究所 | Spiral rotary fruit tree spraying device and control method thereof |
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2019
- 2019-10-15 CN CN201921724230.7U patent/CN211581314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547281A (en) * | 2019-10-15 | 2019-12-10 | 农业农村部南京农业机械化研究所 | Spiral rotary fruit tree spraying device and control method thereof |
| CN110547281B (en) * | 2019-10-15 | 2024-05-14 | 农业农村部南京农业机械化研究所 | Spiral rotary fruit tree spraying device and control method thereof |
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