CN107864726B - Rotary hydraulic seedling taking mechanism for vegetable transplanting machine - Google Patents
Rotary hydraulic seedling taking mechanism for vegetable transplanting machine Download PDFInfo
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- CN107864726B CN107864726B CN201711129759.XA CN201711129759A CN107864726B CN 107864726 B CN107864726 B CN 107864726B CN 201711129759 A CN201711129759 A CN 201711129759A CN 107864726 B CN107864726 B CN 107864726B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
- A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention provides a rotary hydraulic seedling taking mechanism for a vegetable transplanter, which comprises a power output device, a rotary device, a hydraulic device, a transplanting arm device and a clamping jaw device, wherein the power output device is connected with the rotary device through a power input shaft, the rotary device comprises a rotary cavity, a rotary power output end and a hydraulic pump control switch cavity, the rotary power output end is arranged on the rotary cavity, and the rotary power output end is connected with the transplanting arm device; the transplanting arm device comprises a main frame, a clamping jaw fixed support rotating shaft and a hydraulic cylinder sleeve, and two ends of a shaft connecting cylinder of the main frame are connected with a rotating box power output end shaft and a hydraulic cylinder; the clamping jaw fixing support rotating shafts are arranged in two, and one ends of the two clamping jaw fixing support rotating shafts are respectively connected with the clamping jaw devices; the clamping jaw device comprises two groups of clamping jaw devices symmetrically arranged on the two clamping jaw fixing supports and springs connected with the two clamping jaw devices, and a seedling clamping gap is reserved between the clamping jaw devices. The invention has compact structure and can improve the automation degree and the working efficiency of the transplanting machine.
Description
Technical Field
The invention belongs to the field of agricultural machinery, relates to a rotary hydraulic seedling taking mechanism, and particularly relates to a rotary hydraulic seedling taking mechanism for a vegetable transplanting machine.
Background
China is a large country for vegetable production, and along with the adjustment of rural industrial structures and the development of vegetable industries, the development of agricultural efficient facilities by the country is more and more important, and the demands on vegetable production machinery are more and more urgent. At present, most of products popularized in the market of vegetable transplanting machines in China are semi-automatic vegetable transplanting machines, vegetable seedlings in seedling raising trays still need to be manually thrown into transplanting parts such as a suspension cup, a seedling guide pipe, a flexible disc and the like, and in order to liberate the productivity, the improvement of the labor efficiency, the matching of transplanting mechanical arms with transplanting parts and the replacement of manual seedling pulling are particularly important.
The transplanting manipulator disclosed in the Chinese patent specification CN 106576538A realizes simultaneous operation of a plurality of manipulators through pneumatic transmission, but the mechanism is very convenient for seedling separation of seedlings, but is placed on a transplanting machine, and the transplanting manipulator cannot be suitable for outdoor transplanting due to the fact that the transplanting manipulator is complex in structure; the seedling tray transplanting manipulator disclosed in the Chinese patent specification CN 103975676A utilizes a hydraulic device to simulate the finger to grasp the actions of the seedling tray to realize seedling taking and seedling throwing, but the hydraulic cylinder moves for one period, so that the seedling taking and seedling throwing can only be completed once, and the seedling taking and seedling throwing can not be completed for a plurality of times in one period.
Disclosure of Invention
In order to solve the problems, the invention provides a rotary hydraulic seedling taking mechanism for a vegetable transplanter, which is compact in structure and stable in movement, and can realize the rotation of a double-clamping-jaw device on the transplanter under the drive of a rotating box to take seedlings, so that the automation degree and the working efficiency of the transplanter are improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a seedling mechanism is got to rotation type hydraulic pressure for on vegetables transplanter, includes power take off device, rotary device, hydraulic means, transplanting arm device and clamping jaw device, and power take off device passes through power input shaft and connects rotary device, its characterized in that: the rotating device comprises a rotating cavity, a rotating power output end and a hydraulic pump control switch cavity, wherein the rotating power output end is arranged on the rotating cavity, the rotating power output end comprises a rotating box power output end shaft and a rotating box power output end base, the hydraulic pump control switch cavity comprises an electrode and conducting liquid, the electrode is arranged in the hydraulic pump control switch cavity, the electrode comprises a first electrode, a second electrode and a third electrode, and the conducting liquid is injected into the hydraulic pump control switch cavity through a conducting liquid injection port at one end of the hydraulic pump control switch cavity; the hydraulic pump control switch cavity is connected with a hydraulic device, and the hydraulic device comprises a hydraulic control loop and a hydraulic cylinder connected with the hydraulic control loop; an oil conveying pipeline installation outlet through which the oil conveying pipeline passes is reserved on the rotary cavity; the rotary power output end is connected with the transplanting arm device; the transplanting arm device comprises a main frame, a clamping jaw fixed support rotating shaft and a hydraulic cylinder sleeve, wherein the main frame comprises a shaft connecting cylinder, a main frame mounting base and a connecting rod, the shaft connecting cylinder is cylindrical, a first stepped hole and a second stepped hole are respectively formed in the inner walls of two ends of the shaft connecting cylinder, the main frame mounting base is further arranged at the end part of the first stepped hole, the first stepped hole is connected with a rotating box power output end shaft, a hydraulic cylinder is arranged in the second stepped hole, the connecting rod is arranged along the radial direction of the shaft connecting cylinder, and one end of the connecting rod is further connected with a first rotating shaft connecting end and a second rotating shaft connecting end; the first rotating shaft connecting end and the second rotating shaft connecting end are also respectively connected with a clamping jaw fixing support rotating shaft; the clamping jaw fixing support rotating shafts are arranged in two, and one ends of the two clamping jaw fixing support rotating shafts are respectively connected with the clamping jaw devices; the clamping jaw device comprises two groups of clamping jaw devices symmetrically arranged on two clamping jaw fixing supports and springs connected with the two groups of clamping jaw devices, a seedling clamping gap is reserved between the clamping jaw devices, the two clamping jaw devices pass through the springs, each group of clamping jaw devices comprises a clamping jaw fixing support, clamping jaws and clamping jaw gaskets, the clamping jaw fixing support is arranged at one end of a rotating shaft of the clamping jaw fixing support, one side of the clamping jaw fixing support is fixedly connected with clamping jaws, the other side of the clamping jaw fixing support is connected with a hydraulic cylinder sleeve, and the hydraulic cylinder sleeve is also connected with the hydraulic pump; the clamping jaw fixing support is further connected with a spring, and the gasket is arranged between the clamping jaw and the clamping jaw fixing support.
Further, the hydraulic pump control switch cavity is arranged on the side wall of the rotating cavity.
Further, the main frame installation base is provided with an installation through hole, and the main frame installation base is fixed on the power output end base of the rotary box through bolts arranged in the installation through hole.
Further, the connecting rod is connected with the first rotating shaft connecting end, the second rotating shaft connecting end is connected with the first rotating shaft connecting end through the rib plate, and the first rotating shaft connecting end and the second rotating shaft connecting end are parallel to each other.
Further, the hydraulic control loop comprises an oil tank, a filter, a hydraulic pump, an electromagnetic directional valve, an oil conveying pipeline and an overflow valve, wherein the oil tank, the filter, the hydraulic pump, the electromagnetic directional valve and the overflow valve are arranged outside the seedling taking mechanism, and the oil conveying pipeline is communicated with the electromagnetic directional valve and the seedling taking mechanism.
Further, the oil conveying pipeline is fixed on the rotary cavity and is connected with the hydraulic cylinder through an oil conveying pipeline installation outlet.
Further, the rotary cavity is in a hollow cuboid shape, the rotary power output end is arranged on the outer side wall of the rotary cavity, and the rotary power output end is further connected with the transplanting arm device respectively.
Further, the power output device is one of a gear transmission output device, a belt transmission output device or a chain transmission output device, and is also connected with a motor.
Further, the appearance of first rotation axis link and second rotation axis link is regular hexagonal prism, is equipped with the through-hole at hexagonal prism's center, installs the bearing in the through-hole, and rethread bearing is connected with clamping jaw fixed support rotation axis respectively.
Further, the push rod of the hydraulic cylinder is a flexible rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotary hydraulic seedling taking mechanism is compact in structure, and can realize the simultaneous seedling taking action of the clamping jaw device on the transplanter, so that the automation degree and the working efficiency of the transplanter are improved;
2. the hydraulic device is used for controlling the opening and closing of the clamping jaw device, the opening and closing quantity is controllable, the hydraulic device can be suitable for transplanting seedling trays with different specifications, the operation is simple, and the automation is convenient to realize;
3. the hydraulic device ensures that the movement of the clamping jaw device is quite uniform and stable, the reversing impact is avoided when the moving part reverses, the reaction speed is high, the frequent reversing can be realized, the clamping and the throwing of the clamping jaw are realized, and the impact stress when the clamping jaw is opened is avoided by controlling the mechanical structure;
4. the push rod of the hydraulic cylinder is a flexible rod, when the two sleeves are not centered, the clamping jaw is not smooth to open and close, the flexibility of the push rod is utilized to overcome, and meanwhile, the push rod is prevented from excessively bending and deforming during pushing out and withdrawing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a rotary device according to the present invention;
FIG. 3 is a schematic view of the internal structure of the rotary device of the present invention;
FIG. 4 is a schematic view of the structure of a transplanting arm according to the present invention;
FIG. 5 is a hydraulic control circuit of the present invention;
fig. 6 is a schematic structural view of the present invention assembled with a chute of a transplanter.
Wherein, each reference sign in the figure is: 1. a rotating device; 2. a power output end of the rotary box; 201. a power output end shaft of the rotary box; 202. a power output end base of the rotary box; 3. a main frame; 301. a shaft connecting cylinder; 302. a first rotary shaft connecting end; 303. a second rotating shaft connecting end; 304. a main frame is provided with a base; 305. mounting through holes; 4. a hydraulic cylinder sleeve; 5. clamping jaw fixing support; 501. a clamping jaw fixing support baffle; 6. clamping jaw gaskets; 7. a clamping jaw fixing support rotating shaft; 8. a spring; 9. a clamping jaw; 10. a power input end of the rotary box; 11. a conductive liquid injection port; 12. the hydraulic pump controls the switch cavity; 13. a first electrode; 14. a second electrode; 15. a second electrode; 16. an oil tank; 17. a filter; 18. a hydraulic pump; 19. an electromagnetic reversing valve; 20. an oil transportation pipeline; 21. a hydraulic cylinder; 22. an overflow valve; 23. a power input shaft; 24. vegetable seedlings; 25. a transplanter chute assembly; 26. seedling trays; 27. the grooved pulley and 28 oil conveying pipeline are provided with outlets.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 6 is a schematic diagram showing the assembly of the seedling taking mechanism and the chute of the transplanting machine. Which comprises a rotating device, a power input shaft 23, a transplanting arm device, a seedling tray 26 and a transplanting machine chute assembly 25. The illustrated transplanter chute assembly 25 is mounted on the transplanter traction machine, the chute conveys seedling trays 26 in the chute to the transplanting arm device through a belt, wherein a driving wheel in a transmission mechanism of the transplanter chute assembly 25 intermittently conveys the seedling trays 26 downwards through a sheave 27 mechanism until the transplanting arm device finishes transplanting a row of seedlings under the transplanting arm device, and the chute continuously slides downwards. When the transplanting arm device works, the ejector rod mechanism on the chute face jacks up the vegetable seedling 26 to a certain height through the hole below the seedling tray 26, the transplanting arm device clamps up the jacked vegetable seedling 26 under the drive of the rotating device, then the jacked vegetable seedling continues to move to the upper part of the hanging cup of the transplanting machine in a circular motion mode to throw the seedling, the hanging cup descends, when the hanging cup moves to the hanging cup push rod close to the ground, the opening at the lower end of the hanging cup is opened by the push rod, the vegetable seedling in the hanging cup vertically falls into the ground under the action of gravity, then the soil covering device covers the substrate of the vegetable seedling with soil and levels the soil, and finally transplanting is completed.
Fig. 1 is a schematic overall structure of the present invention, fig. 2 is a schematic structural diagram of a rotating device of the present invention, and fig. 3 is a schematic internal structure of the rotating device of the present invention. The electric power transmission device comprises a rotary cavity 1, a conductive liquid injection hole 11, an electrode, a rotary box power input end 10, an oil conveying pipeline installation outlet 28, a rotary box power output end 2 and a hydraulic pump control switch cavity 12, wherein the box body is approximately rectangular, the box body consists of a left rotary box cover and a right rotary box cover, the rotary box power input end 10 is fixed at the center of the left rotary box, and the rotary box power input end 10 is connected with a traction mechanical power source or a motor, such as a hydraulic motor, through a shaft, so that the rotary box rotates. A hydraulic pump control switch cavity 12 is arranged at the opposite angle of the rotary box, and three electrodes, namely a first electrode 13, a second electrode 14 and a third electrode 15, are arranged in the cavity. And a proper amount of conductive liquid is added into the cavity to realize conduction, wherein the conductive liquid is injected from a conductive liquid injection port 11 on the hydraulic pump control switch cavity 12, when the conductive liquid covers any two electrodes, the hydraulic pump can be powered, and when the conductive liquid covers one or three electrodes, the hydraulic pump 18 cannot be powered. Therefore, through the characteristic that the liquid level is always in the horizontal plane under the action of gravity of the conductive liquid, the rotation of the rotating box relative to the conductive liquid can be easily analyzed through relative movement, the conductive liquid relatively flows in the cavity, the electrolyte flows to different positions, and the number of covered electrodes is different, so that the hydraulic pump intermittently supplies oil. The intermittent oil supply of the hydraulic pump enables clamping jaws in the transplanting arm device to be opened and closed intermittently, so that seedling taking and throwing actions are realized. Fig. 4 is a schematic structural view of a transplanting arm device according to the present invention. When the transplanting arm device is driven by the rotating box to do clockwise circular motion, the clamping jaw 9 moves to the upper side of the seedling raising tray 26, at the moment, the conducting liquid covers the first electrode 13 and the second electrode 14, the hydraulic pump 18 pumps oil, so that the clamping jaw 9 clamps seedlings, the rotating device continues to rotate while the clamping jaw 9 clamps seedlings, when the transplanting arm device moves to the lower side of the suspension cup, the electromagnetic directional valve 19 in the hydraulic system commutates, the clamping jaw 9 loosens the seedlings, the rotating device still continues to rotate after the seedlings are thrown, at the moment, the conducting liquid in the hydraulic pump switch control cavity 12 only covers the first electrode 13, and the hydraulic pump 18 stops pumping oil. The oil transporting pipeline installation outlet 28 in the rotating device is fixed on the right rotating box cover of the rotating box and supplies oil for the hydraulic cylinder 21 in the transplanting arm device.
The transplanting arm device comprises a main frame 3, a clamping jaw fixing support rotating shaft 7, a clamping jaw fixing support 5, a spring 8, a hydraulic cylinder sleeve 4 and a clamping jaw gasket 6. The first stepped hole in the main frame 3 is sleeved into the rotary box power output end shaft 201 in the rotary device, the plane of the mounting base 304 of the main frame 3 coincides with the plane of the rotary box power output end base 202, and the two connecting surfaces are sleeved into the mounting through holes 305 of the main frame 3 by bolts and connected; the shaft connecting cylinder 301 is a cylindrical connecting cylinder, two ends of the shaft connecting cylinder are respectively connected with the power output end shaft 201 of the rotating box and the hydraulic cylinder 21, a second stepped hole in the shaft connecting cylinder 301 of the main frame 3 is coaxial with the hydraulic cylinder sleeve 4 arranged on the clamping jaw fixing support, and two round end surfaces are separated by a certain distance, so that the two small hydraulic cylinders 21 are just embedded in the shaft connecting cylinder, in the opposite and opposite movements of the clamping jaw 9, as the clamping jaw 9, the clamping jaw fixing support 5 and the hydraulic cylinder sleeve 4 are fixed together and do circular arc movements together around a hinge formed by the clamping jaw fixing support rotating shaft 7, the first rotating shaft connecting end 302 and the second rotating shaft connecting end 303, in the circular arc movements, the two clamping jaws 9 are not parallel any more, a certain angle is formed between the central axis of the hydraulic cylinder sleeve 4 which is also fixed with the clamping jaw 9 and the central axis of the shaft connecting cylinder 301, the two installation cylinder sleeves 4 and the shaft connecting cylinder 301 of the hydraulic cylinder 21 are not aligned, and a push rod of the hydraulic cylinder 21 is a small deformed flexible rod; the first rotating shaft connecting end 302 and the second rotating shaft connecting end 303 on the main frame 3 are connected to the shaft connecting cylinder 301 through connecting rods, through holes are formed in the two rotating shaft connecting ends, the central axes of the through holes are perpendicular to the clamping jaw 9, the through holes in the first rotating shaft connecting end 302 and the second rotating shaft connecting end 303 are connected with the clamping jaw fixing support 5 through the clamping jaw fixing support rotating shaft 7, the appearance of the clamping jaw fixing support rotating shaft is approximately a 7-shaped right-angle bent shaft, one end of the clamping jaw fixing support rotating shaft 7 is inserted into the through holes in the first rotating shaft connecting end 302 and the second rotating shaft connecting end 303, the middle is connected by rolling bearings, the other end of the clamping jaw fixing support rotating shaft is fixed on the end faces of the clamping jaw fixing support 5 in parallel with the clamping jaw 9, the two clamping jaw fixing supports 5 are parallel to each other, and the two end faces can be connected with the two rotating shaft connecting ends through the rotating shaft 7 respectively; the springs 8 are arranged at the upper ends of the two opposite end surfaces of the two clamping jaw fixing supports 5, and the springs 8 and the hydraulic cylinders 21 act together to enable the clamping jaw fixing supports 5 to have two fulcrums, so that seedlings are clamped by the transplanting arm device more stably; the end surfaces of the two clamping jaw fixing supports 5, which are separated from each other, are jointly connected with the clamping jaw 9 through the gasket 6 and the clamping jaw fixing support baffle 501, so that the positions of the clamping jaws 9 are limited, the clamping jaws can move along with the clamping jaw fixing supports 5, and seedling clamping is facilitated.
Under the rotation of the rotating device, the transplanting arm device also rotates, and in the rotating process, the hydraulic pump in the rotating device controls the conductive liquid in the switch cavity 12 to continuously flow, and intermittent oil supply to the hydraulic pump 18 is realized according to the different number of covered electrodes, so that the hydraulic cylinder 21 is intermittently pushed out and corresponds to the transplanting frequency. When the two electrodes are covered by the conductive liquid, the hydraulic pump 18 pumps oil, the push rod of the hydraulic cylinder 21 is discharged, so that the hydraulic cylinder sleeve 4 is separated from the shaft connecting cylinder 301, the two cylinders are separated to move, the two clamping jaw fixing supports 5 are respectively provided with an outward force perpendicular to the supports, and the force corresponds to a supporting point formed by the cooperation of the clamping jaw fixing support rotating shaft 7 and the first rotating shaft connecting end 302 or the second rotating shaft connecting end 303 to generate a moment, so that the clamping jaw fixing support rotating shaft 7 rotates outwards around the supporting point, namely the clamping jaw 9 of the transplanting arm device is clamped; when the electromagnetic directional valve 19 is switched, the push rod of the hydraulic cylinder 21 is retracted, and the hydraulic cylinder sleeve 4 is made to approach the shaft connecting cylinder 301, and the two cylinders move in opposite directions, so that a force perpendicular to the support faces inwards is respectively given to the two clamping jaw fixing supports 5, and the force corresponds to a supporting point formed by the cooperation of the clamping jaw fixing support rotating shaft 7 and the first rotating shaft connecting end 302 or the second rotating shaft connecting end 303, so that the rotating shaft 7 rotates inwards around the supporting point, namely the clamping jaw 9 of the transplanting arm device is opened.
Fig. 5 shows a hydraulic control circuit, which comprises an oil tank 16, a filter 17, a hydraulic pump 18, an electromagnetic directional valve 19, a hydraulic cylinder 21, an overflow valve 22 and an oil conveying pipeline 20. The hydraulic control switch is only controlled to push out the push rod of the hydraulic cylinder 21 to realize seedling taking of the mechanical clamping jaw and not seedling throwing of the mechanical clamping jaw, so that the electromagnetic reversing valve 19 reverses the oil conveying pipeline 20, and when the clamping jaw 9 takes vegetable seedlings 24 during intermittent oil pumping of the hydraulic pump 18, the node electromagnetic valve reverses, the oil conveying direction of the pipeline changes, the push rod of the hydraulic cylinder 21 is retracted, and the clamping jaw is released. Assuming that the time for supplying the oil to the hydraulic pump 18 is T and the non-oil supply time is T, the reversing of the electromagnetic reversing valve 19 occurs during the time T. The seedling clamping time is 2T/3, the seedling taking time is T/3, and a square wave voltage of forward voltage with time of 2T/3 and reverse voltage of t+T/3 is input to the electromagnetic reversing valve 19. Wherein the forward voltage enables the hydraulic system to control the push rod of the hydraulic cylinder 21 to push out, and the reverse voltage enables the push rod of the hydraulic cylinder 21 to retract.
The oil tank 16, the filter 17, the hydraulic pump 18, the overflow valve 22, the electromagnetic directional valve 19 and part of the oil conveying pipeline 20 are all arranged on the traction machinery of the vegetable transplanting machine; the hydraulic cylinder 21 is installed in the transplanting arm device shaft connecting cylinder 301 and the hydraulic cylinder sleeve 4, and part of the oil conveying pipeline 20 passes through the rotating device. Wherein an alternating rectangular wave electric signal is fed to the electromagnetic directional valve 19, and the conversion period corresponds to the transplanting period. When the transplanting mechanism is not in operation or just begins to operate, the hydraulic pump 18 is correspondingly in two states when the clamping jaw 9 of the transplanting arm device just reaches the position above the seedling tray 26, namely the hydraulic pump 18 does not pump oil and the hydraulic pump 18 pumps oil, the electromagnetic directional valve 19 is in the middle position, when the hydraulic pump 18 pumps oil, hydraulic oil cannot pass through the electromagnetic directional valve 19, the hydraulic oil flows to the overflow valve 22, and the overflow valve 22 is jacked to flow back to the oil tank 16. When the transplanting arm device moves to the position above the seedling tray 26, the electromagnetic valve 19 is reversed to be at the left position, hydraulic oil flows through the reversing valve 19 and flows into the left cavity of the hydraulic cylinder 21, the pressure of the left cavity is higher than that of the right cavity, the hydraulic oil in the right cavity flows into the oil tank 16, and the push rod of the hydraulic cylinder 21 is pushed out. When the transplanting arm device moves to the position above the suspension cup, the electromagnetic directional valve 19 is switched to be in the right position, hydraulic oil pumped out by the hydraulic pump 18 flows into the right cavity of the hydraulic cylinder 21, the pressure of the right cavity is higher than that of the left cavity, hydraulic oil in the left cavity flows into the oil tank 16, and the push rod of the hydraulic cylinder 21 is retracted.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a seedling mechanism is got to rotation type hydraulic pressure for on vegetables transplanter, includes power take off device, rotary device, hydraulic means, transplanting arm device and clamping jaw device, and power take off device passes through power input shaft and connects rotary device, its characterized in that: the rotating device comprises a rotating cavity, a rotating power output end and a hydraulic pump control switch cavity, wherein the rotating power output end is arranged on the rotating cavity, the rotating power output end comprises a rotating box power output end shaft and a rotating box power output end base, the hydraulic pump control switch cavity comprises an electrode and conducting liquid, the electrode is arranged in the hydraulic pump control switch cavity, the electrode comprises a first electrode, a second electrode and a third electrode, and the conducting liquid is injected into the hydraulic pump control switch cavity through a conducting liquid injection port at one end of the hydraulic pump control switch cavity; the hydraulic pump control switch cavity is connected with a hydraulic device, and the hydraulic device comprises a hydraulic control loop and a hydraulic cylinder connected with the hydraulic control loop; an oil conveying pipeline installation outlet through which the oil conveying pipeline passes is reserved on the rotary cavity; the rotary power output end is connected with the transplanting arm device;
the transplanting arm device comprises a main frame, a clamping jaw fixed support rotating shaft and a hydraulic cylinder sleeve, wherein the main frame comprises a shaft connecting cylinder, a main frame mounting base and a connecting rod, the shaft connecting cylinder is cylindrical, a first stepped hole and a second stepped hole are respectively formed in the inner walls of two ends of the shaft connecting cylinder, the main frame mounting base is further arranged at the end part of the first stepped hole, the first stepped hole is connected with a rotating box power output end shaft, a hydraulic cylinder is arranged in the second stepped hole, the connecting rod is arranged along the radial direction of the shaft connecting cylinder, and one end of the connecting rod is further connected with a first rotating shaft connecting end and a second rotating shaft connecting end; the first rotating shaft connecting end and the second rotating shaft connecting end are also respectively connected with a clamping jaw fixing support rotating shaft; the clamping jaw fixing support rotating shafts are arranged in two, and one ends of the two clamping jaw fixing support rotating shafts are respectively connected with the clamping jaw devices;
the clamping jaw device comprises two groups of clamping jaw devices symmetrically arranged on two clamping jaw fixing supports and springs connected with the two groups of clamping jaw devices, a seedling clamping gap is reserved between the clamping jaw devices, the two clamping jaw devices pass through the springs, each group of clamping jaw devices comprises a clamping jaw fixing support, clamping jaws and clamping jaw gaskets, the clamping jaw fixing support is arranged at one end of a rotating shaft of the clamping jaw fixing support, one side of the clamping jaw fixing support is fixedly connected with clamping jaws, the other side of the clamping jaw fixing support is connected with a hydraulic cylinder sleeve, and the hydraulic cylinder sleeve is also connected with the hydraulic pump; the clamping jaw fixing support is also connected with a spring, and the gasket is arranged between the clamping jaw and the clamping jaw fixing support;
the second stepped hole in the shaft connecting cylinder of the main frame is coaxial with the hydraulic cylinder sleeve arranged on the clamping jaw fixing support, and the two round end surfaces are separated by a distance, so that the hydraulic cylinder is just embedded into a small hydraulic cylinder.
2. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the hydraulic pump control switch cavity is arranged on the side wall of the rotating cavity.
3. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the main frame installation base is provided with an installation through hole, and is fixed on the power output end base of the rotary box through bolts arranged in the installation through hole.
4. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the connecting rod is connected with the first rotating shaft connecting end, the second rotating shaft connecting end is connected with the first rotating shaft connecting end through the rib plate, and the first rotating shaft connecting end and the second rotating shaft connecting end are parallel to each other.
5. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the hydraulic control loop comprises an oil tank, a filter, a hydraulic pump, an electromagnetic directional valve, an oil conveying pipeline and an overflow valve, wherein the oil tank, the filter, the hydraulic pump, the electromagnetic directional valve and the overflow valve are arranged outside the seedling taking mechanism, and the oil conveying pipeline is communicated with the electromagnetic directional valve and the seedling taking mechanism.
6. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1 or 5, wherein: the oil conveying pipeline is fixed on the rotary cavity and is connected with the hydraulic cylinder through an oil conveying pipeline installation outlet.
7. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the rotary cavity is hollow cuboid, the rotary power output end is arranged on the outer side wall of the rotary cavity, and the rotary power output end is also respectively connected with the transplanting arm device.
8. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the power output device is one of a gear transmission output device, a belt transmission output device or a chain transmission output device, and is also connected with a motor.
9. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the appearance of first rotation axis link and second rotation axis link is regular hexagonal prism, is equipped with the through-hole at hexagonal prism's center, installs the bearing in the through-hole, and rethread bearing is connected with clamping jaw fixed bolster rotation axis respectively.
10. A rotary hydraulic seedling picking mechanism for use on a vegetable transplanting machine as claimed in claim 1, wherein: the push rod of the hydraulic cylinder is a flexible rod.
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| CN201711129759.XA CN107864726B (en) | 2017-11-15 | 2017-11-15 | Rotary hydraulic seedling taking mechanism for vegetable transplanting machine |
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| CN201711129759.XA CN107864726B (en) | 2017-11-15 | 2017-11-15 | Rotary hydraulic seedling taking mechanism for vegetable transplanting machine |
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| CN107278448A (en) * | 2017-08-10 | 2017-10-24 | 河南科技大学 | A kind of chucking power controllable transplanting machine hand and its method for transplanting |
| CN207612611U (en) * | 2017-11-15 | 2018-07-17 | 河南科技大学 | A kind of rotary type hydraulic seedling taking manipulator |
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| CN203537816U (en) * | 2013-11-13 | 2014-04-16 | 陈邦仁 | Seedling claw control system of rice pot seedling transplanting machine |
| CN204014470U (en) * | 2014-07-14 | 2014-12-17 | 浙江大学 | The automatic culturing device of one plant |
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| CN205921998U (en) * | 2016-08-15 | 2017-02-08 | 浙江理工大学 | Unsmooth conjugation leaf teeth wheel planetary gear train gets seedling mechanism in fu |
| CN107278448A (en) * | 2017-08-10 | 2017-10-24 | 河南科技大学 | A kind of chucking power controllable transplanting machine hand and its method for transplanting |
| CN207612611U (en) * | 2017-11-15 | 2018-07-17 | 河南科技大学 | A kind of rotary type hydraulic seedling taking manipulator |
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|---|---|
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