CN121241768A - Plant liquid fertilizer applying device and applying method thereof - Google Patents
Plant liquid fertilizer applying device and applying method thereofInfo
- Publication number
- CN121241768A CN121241768A CN202511811740.8A CN202511811740A CN121241768A CN 121241768 A CN121241768 A CN 121241768A CN 202511811740 A CN202511811740 A CN 202511811740A CN 121241768 A CN121241768 A CN 121241768A
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- flexible
- liquid fertilizer
- plate
- push plate
- push
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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
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Abstract
本发明申请涉及液肥施放器械领域，具体是涉及一种植物液体肥料施肥装置及其施肥方法，包括行走单元、液肥箱、两个拨离单元、折叠升降机构和拨离驱动结构；拨离单元包括推板、横移导向结构、转动结构、柔性拨推结构和液肥管，横移导向结构用于引导推板由沟槽移动至田垄，转动结构用于驱动推板在竖直和水平范围内转动，柔性拨板用于将紧贴田垄表层的匍匐茎与土壤分离，液肥管与液肥箱连接；折叠升降机构用于折叠并驱动两个拨离单元在竖直方向升降；拨离驱动结构驱动柔性拨推结构对匍匐茎施加推力；本发明申请通过设置两个拨离单元、折叠升降机构和拨离驱动结构，从而确保将匍匐茎与土壤分离的同时，最大程度减少对匍匐茎的机械损伤。
This invention relates to the field of liquid fertilizer application equipment, specifically to a plant liquid fertilizer application device and method, comprising a walking unit, a liquid fertilizer tank, two separation units, a folding lifting mechanism, and a separation drive structure. Each separation unit includes a push plate, a lateral guide structure, a rotating structure, a flexible push-pull structure, and a liquid fertilizer tube. The lateral guide structure guides the push plate from the trench to the ridge, the rotating structure drives the push plate to rotate vertically and horizontally, the flexible push plate separates the runners adhering to the ridge surface from the soil, and the liquid fertilizer tube is connected to the liquid fertilizer tank. The folding lifting mechanism folds and drives the two separation units to move vertically up and down. The separation drive structure drives the flexible push-pull structure to apply a pushing force to the runners. By setting up two separation units, a folding lifting mechanism, and a separation drive structure, this invention ensures that the runners are separated from the soil while minimizing mechanical damage to the runners.
Description
Technical Field
The invention relates to the field of liquid fertilizer applying devices, in particular to a plant liquid fertilizer applying device and a fertilizer applying method.
Background
In the field of agricultural planting, in particular to the planting process of crops with stolons such as strawberries, sweet potatoes and the like, the liquid fertilizer application operation is a key link for guaranteeing the growth of the crops and improving the yield. During the growth period of crops, the stolons are often closely attached to the soil on the surface layer of the ridge, and part of plants can also fall due to field management or natural factors, so that a plurality of challenges are brought to fertilization operation.
The patent with the publication number of CN116897815A discloses a liquid fertilizer efficient applying device, the working principle is that a tour unit drives a device to move along a groove between ridges, when the device moves to a fertilizing position, a rotary unit drives a balance plate to rotate 90 degrees, so that the long edge of the balance plate is perpendicular to the advancing direction, then an electric rotating plate rotates out of the balance plate, crops lodged in the groove of the ridges are stirred from bottom to top, the crops are lifted to avoid a fertilizing area, then a pushing unit pushes a fertilizer conveying pipe, a fertilizing head and a cone head to move towards the direction of the ridges, the cone head firstly contacts with the soil of the ridges, a liquid fertilizer box firstly conveys the liquid fertilizer to the fertilizer conveying pipe through a first guide pipe, a shunt pipe and a second guide pipe, then enters a fertilizing cavity of a fertilizing head through a hollow groove and a transfer opening of the pipe, and sprays the liquid fertilizer to the surface layer of the ridges through the fertilizing opening so as to soften the soil, the cone head and the fertilizing head continuously drills into the ridges along with the pushing unit, the fertilizer of the deep layer continuously sprays the liquid fertilizer, the soil of the ridges at different depths, simultaneously, the cone head can adjust the flow rate according to the soil resistance, the cone head can also reset the electric rotating unit, and the soil sealing operation can be completed after the cone head and the soil sealing device are reset.
Although the scheme solves the problem that the fertilization efficiency and the soil deep fertilization are affected by the lodged plants, in the scheme, for the crops (such as strawberries and watermelon seedlings) growing in creeping mode, stems and tendrils of the crops are clung to the surface of a ridge after lodging and possibly extend into a groove along the ridge, the rotating track of the electric rotating plate in the scheme is from bottom to top, the acting area of the electric rotating plate is concentrated at the middle upper part of the side slope of the ridge, the creeping stems and tendrils clung to the surface layer of the ridge are in dead areas below the electric rotating plate and cannot be effectively stirred, and the electric rotating plate is in hard contact with the plants, so that the plants are damaged easily.
Disclosure of Invention
To above-mentioned problem, provide a plant liquid fertilizer injection unit, through setting up two and dial from unit, folding elevating system and dial from the drive structure to guarantee when separating stolons and soil, furthest reduces the mechanical damage to stolons, is showing to reduce the cracked probability of stolons, ensures the complete growth state of plant.
The invention provides a plant liquid fertilizer applying device, which comprises a walking unit, a liquid fertilizer box for providing liquid fertilizer, two pulling-off units, a folding lifting mechanism and a pulling-off driving structure, wherein the two pulling-off units are horizontally and symmetrically arranged relative to the advancing direction of the walking unit, the pulling-off units comprise a push plate, a transverse moving guide structure, a rotating structure, a flexible pulling-off structure and a liquid fertilizer pipe, the push plate is vertically arranged and used for supporting lodged plants, the transverse moving guide structure is used for guiding the push plate to move from a groove to a ridge, the rotating structure is used for driving the push plate to rotate in the vertical and horizontal range, the flexible pulling-off structure is arranged on one side of the push plate facing the lodged plants, the flexible pulling plate is used for separating stolons clinging to the surface layer of the ridge from soil, the liquid fertilizer pipe is arranged on the other side of the push plate, one end of the liquid fertilizer pipe is connected with the liquid fertilizer box, the folding lifting mechanism is arranged on the walking unit, the folding lifting mechanism is used for folding the two pulling-off units and driving the two pulling-off units to lift in the vertical direction, the pulling-off driving structure is connected with the two flexible pulling-off structures, and driving the flexible pulling-off driving structure to apply pushing force to the stolons.
Preferably, the flexible poking and pushing structure comprises a flexible poking plate and a first lifting structure, wherein the flexible poking plate is arranged on one side of the push plate in parallel, the lower end of the flexible poking plate is provided with flexible poking teeth, and the first lifting structure is arranged on the push plate and used for driving the flexible poking plate to move up and down along the surface of the push plate.
Preferably, the flexible pulling and pushing structure further comprises a pressure sensor and a buffer structure, wherein the pressure sensor is arranged between the flexible pulling plate and the pushing plate and used for detecting resistance applied to the flexible pulling plate in the moving process, and the buffer structure is arranged between the flexible pulling plate and the first lifting structure and used for reducing the resistance applied to the flexible pulling plate to act on the pushing plate.
Preferably, the upper end of the flexible shifting plate is provided with an auxiliary plate structure, the auxiliary plate structure comprises a flexible baffle plate and a connecting block, the lower end of the flexible baffle plate is connected with the upper end of the flexible shifting plate through a hinge, the connecting block is connected with the push plate in a sliding manner, and the connecting block is hinged with the upper end of the flexible baffle plate.
Preferably, the auxiliary plate structure further comprises two reset structures, wherein the two reset structures are respectively arranged on two sides of the push plate and are respectively connected with two ends of the two connecting blocks.
Preferably, the transverse moving guide structure comprises a support arm, a first sliding block and a guide assembly, wherein one end of the support arm is connected with the folding lifting mechanism, the first sliding block is movably arranged on the support arm and hinged with the push plate, and the guide assembly is arranged on the support arm and connected with the first sliding block and used for guiding the first sliding block to move along the length direction of the support arm.
Preferably, the rotating structure comprises a support, a first linear driver and a connecting plate, one end of the support is hinged with the transverse moving guide structure, the first linear driver is arranged on the support, the connecting plate is arranged on the push plate, and the connecting plate is hinged with the output end of the first linear driver.
Preferably, the folding lifting mechanism comprises a folding structure and a second lifting structure, wherein the folding structure is connected with the two poking units and is used for switching the poking units between a horizontal state and a vertical state, and the second lifting structure is used for driving the two poking units to lift in the vertical direction.
Preferably, the poking driving structure comprises two pneumatic driving units and an air supply unit, wherein the two pneumatic driving units are respectively arranged on the two poking units, the pneumatic driving units are connected with the flexible poking structure, and the air supply unit is connected with the two pneumatic driving units.
The fertilizing method is applied to a plant liquid fertilizer fertilizing device and comprises the following steps:
S1, a walking unit moves along the length direction of a groove, and when creeping stems exist in front of the walking unit, a folding lifting mechanism descends two poking units and expands to a horizontal state;
s2, the poking and separating driving structure drives the flexible poking and pushing structure to move along the guiding direction of the transverse moving guiding structure through the push plate, and the flexible poking and pushing structure pushes the stolon to be separated from the ground;
S3, when the push plate and the flexible poking and pushing structure move beside the ridge, the push plate is rotated to be in a horizontal state from a vertical state by the rotating structure, and the lodging plants are propped up;
s4, spraying the liquid fertilizer in the liquid fertilizer box to the roots of the plants through a liquid fertilizer pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the two poking units, the folding lifting mechanism and the poking driving structure are arranged, the folding lifting mechanism firstly releases the restraint of the poking units, lowers and expands to the adaptive position, then the poking driving structure drives the push plate and the flexible poking structure to move along the transverse moving guiding structure, so that the flexible poking structure is inserted into soil, separation is realized through reciprocating gentle driving when the flexible poking structure contacts with stolons, and compared with a traditional rigid separation part, the rigid impact on the stolons can be effectively avoided by adopting the flexible poking structure and the reciprocating gentle driving mode of the poking driving structure, so that the stolons are separated from the soil, simultaneously, the mechanical damage on the stolons is reduced to the greatest extent, the breaking probability of the stolons is obviously reduced, and the complete growth state of plants is ensured.
2. According to the invention, the flexible poking plate and the first lifting structure are arranged, when the push plate is in a vertical state, the first lifting structure applies stable downward thrust to the slide plate, and the slide plate drives the flexible poking plate to synchronously move downwards, so that the flexible poking teeth gradually extend and are inserted below the soil on the surface layer of the groove, and the depth of the flexible poking teeth inserted into the soil can be adjusted according to the depth of the groove, so that the flexible poking plate can be adapted to grooves with different depths.
3. According to the invention, the pressure sensor and the buffer structure are arranged, when the poking teeth of the flexible poking plate are in contact with the stolon and receive reverse resistance, the resistance is transmitted to the buffer structure through the flexible poking plate, the buffer structure absorbs reverse acting force energy, rigid impact is converted into flexible buffer, the resistance is prevented from being directly transmitted to the sliding plate and the push plate, and the pressure sensor monitors the resistance of the flexible poking plate in real time, so that double protection of buffering and speed regulation of the flexible poking and pushing structure in the moving process of pushing the stolon is realized.
Drawings
FIG. 1 is a perspective view of a plant liquid fertilizer applicator in accordance with the present invention.
Fig. 2 is a perspective view showing a pulling-out unit, a folding structure, a pneumatic driving unit and an air supply unit in a plant liquid fertilizer applying device according to the present invention.
Fig. 3 is a perspective sectional view showing a pulling-out unit, a folding structure, a pneumatic driving unit and an air supply unit in a plant liquid fertilizer applying device according to the present invention.
Fig. 4 is a perspective view showing a push plate, a flexible pulling plate, a first lifting structure, a buffer structure and a secondary plate structure in a plant liquid fertilizer applying device according to the present invention.
Fig. 5 is a perspective view showing a pusher plate, a first elevating structure and a buffer structure in a plant liquid fertilizer apparatus according to the present invention.
Fig. 6 is a perspective view of a push plate, a flexible pulling plate, a flexible baffle, a connecting block and a reset structure in a plant liquid fertilizer applying device according to the present invention.
Fig. 7 is a perspective view of a flexible baffle, a connecting block and a reset structure in a plant liquid fertilizer applicator in accordance with the present invention.
Fig. 8 is a perspective view of a pusher plate, a support arm, a first slider, a guide assembly and a rotating structure in a plant liquid fertilizer applicator in accordance with the present invention.
Fig. 9 is a perspective view of a first slider, a first guide bar, a first spring, a bracket, a first linear actuator and a connecting plate in a plant liquid fertilizer applicator according to the present invention.
Fig. 10 is a perspective view showing a support arm, a folding structure, a second elevating structure, a pneumatic driving unit and an air supply unit in a plant liquid fertilizer applying device according to the present invention.
Fig. 11 is a perspective view of a support arm, a folding structure and a second lifting structure in a plant liquid fertilizer apparatus according to the present invention.
Fig. 12 is a perspective view of a guide cylinder, a third slider, a driving air bag and an air duct in a plant liquid fertilizer applying device according to the present invention.
The number of the drawing is 1, the walking unit; 2, a liquid fertilizer box; 3, a pulling-off unit; 31, push plate, 32, traversing guide structure, 321, support arm, 322, first slider, 323, guide component, 3231, first guide rod, 3232, first spring, 33, rotating structure, 331, bracket, 332, first linear driver, 333, connecting plate, 34, flexible push structure, 341, flexible push plate, 342, first lifting structure, 3421, second guide rod, 3422, slide plate, 3423, second linear driver, 343, pressure sensor, 344, buffer structure, 3441, mounting plate, 3442, third guide rod, 3443, second spring, 35, liquid fertilizer pipe, 36, auxiliary plate structure, 361, flexible baffle, 362, connecting block, 363, reset structure, 3631, fourth guide rod, 3632, second slider, 3633, third spring, 4, folding lifting mechanism, 41, folding structure, 411, lifting plate, 412, rotating shaft 413, gear set, 414, worm gear driving component, 42, second lifting structure, 421, fifth guide rod, 422, lifting driver, 5, lifting structure, pneumatic driving unit, 511, guide drum driving unit 512, air guide drum driving unit 512, air guide unit 512.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the present invention and the specific objects and functions achieved.
Referring to fig. 1 to 12, the plant liquid fertilizer applying device comprises a walking unit 1, a liquid fertilizer box 2 for providing liquid fertilizer, two pulling units 3, a folding lifting mechanism 4 and a pulling driving structure 5, wherein the two pulling units 3 are horizontally and symmetrically arranged relative to the advancing direction of the walking unit 1, the pulling units 3 comprise a push plate 31, a traversing guide structure 32, a rotating structure 33, a flexible pulling structure 34 and a liquid fertilizer pipe 35, the push plate 31 is vertically arranged and is used for supporting lodged plants, the traversing guide structure 32 is used for guiding the push plate 31 to move from a groove to a ridge, the rotating structure 33 is used for driving the push plate 31 to rotate in the vertical and horizontal ranges, a flexible pulling structure 34 is arranged on one side of the push plate 31 facing the lodged plants, a flexible pulling plate 341 is used for separating stoles which cling to the surface layer of the ridge from soil, the liquid fertilizer pipe 35 is arranged on the other side of the push plate 31, one end of the pulling unit is connected with the liquid fertilizer box 2, the folding lifting mechanism 4 is arranged on the walking unit 1, the folding lifting mechanism 4 is used for driving the two pulling units 3 and driving the two pulling units 3 to vertically lift the pulling units, and the flexible pulling structure 34 is connected with the flexible driving structure 34 in the vertical and the pulling structure is pushed by the flexible pulling structure 34.
The walking unit 1 is started to stably move along the length direction of the groove, when the device moves to the area where the stolon appears in the front ridge, the folding restriction on the two poking units 3 is released firstly by the action of the folding lifting mechanism 4, then the two poking units 3 are synchronously lowered to the position which is matched with the height of the ridge, finally the poking units 3 are unfolded to be in a horizontal state, at the moment, two vertical push plates 31 respectively correspond to the ridges on the two sides of the groove, then the poking driving structure 5 starts to work, the poking driving structure 5 drives the push plates 31 to slowly move along the preset guiding direction of the transverse moving guiding structure 32 (from the groove to the ridge), the flexible poking structure 34 on the inner side of the push plates 31 synchronously moves along with the push plates 31, the lower ends of the flexible poking structure 34 are stably inserted below the soil on the surface layer of the ridge in the moving process, when the flexible poking structure 34 moves to be contacted with the stolon, the poking-off driving structure 5 drives the flexible poking-pushing structure 34 to reciprocate back and forth at the contact position, the stolons clinging to the soil on the surface layer of the ridge are gradually separated from the soil by gently applying thrust for a plurality of times, the stolons are prevented from being broken due to one-time force, when the push plate 31 and the flexible poking-pushing structure 34 integrally move to the preset position beside the ridge, the rotating structure 33 is started, the rotating structure 33 is in transmission connection with the push plate 31, the push plate 31 is driven to slowly rotate from a vertical state to a horizontal state, the push plate 31 stably supports lodged plants and supports the lodged plants upwards in the rotating process, the plant roots are completely exposed on the surface of the ridge, at the moment, the conveying system of the liquid fertilizer box 2 is synchronously started, liquid fertilizer in the liquid fertilizer box 2 is sprayed to the exposed plant roots through the liquid fertilizer pipe 35 connected with the liquid fertilizer box, the fertilization operation is completed, by adopting the flexible poking and pushing structure 34 to match with the reciprocating soft driving mode of the poking and separating driving structure 5, compared with the traditional rigid separation component, the hard impact on the stolons can be effectively avoided, so that the mechanical damage to the stolons is reduced to the greatest extent while the stolons are separated from soil, the probability of stolons breakage is obviously reduced, and the complete growth state of plants is ensured.
Referring to fig. 3, 4 and 5, the flexible pulling and pushing structure 34 includes a flexible pulling plate 341 and a first lifting structure 342, the flexible pulling plate 341 is disposed in parallel on one side of the push plate 31, the lower end of the flexible pulling plate 341 has flexible pulling teeth, and the first lifting structure 342 is disposed on the push plate 31 and is used for driving the flexible pulling plate 341 to move up and down along the surface of the push plate 31.
Specifically, the first lifting structure 342 includes a plurality of second guide rods 3421, a sliding plate 3422 and a second linear driver 3423, the plurality of second guide rods 3421 are parallel to each other, the second guide rods 3421 are vertically disposed along the surface of the push plate 31, the sliding plate 3422 is slidably connected with the plurality of second guide rods 3421, the sliding plate 3422 is connected with the flexible shifting plate 341, the second linear driver 3423 is disposed on the push plate 31, and the output end of the second linear driver is connected with the sliding plate 3422.
When the push plate 31 rotates to a vertical state, the first lifting structure 342 is started, the second linear driver 3423 in the first lifting structure 342 applies stable downward thrust to the sliding plate 3422 connected with the first linear driver 3423, and under the action of the thrust, the sliding plate 3422 stably moves downwards along the vertical direction of the second guide rod 3421 without transverse offset due to the sliding fit of the sliding plate 3422 and the sliding plate 3421, meanwhile, the flexible poking plate 341 synchronously moves downwards along with the sliding plate 3422, the flexible poking teeth at the lower end of the flexible poking plate gradually extend downwards and finally exceed the lower end surface of the push plate 31, the protruding flexible poking teeth continuously move downwards under the continuous driving of the second linear driver 3423 and are inserted below the soil on the surface layer of the groove, and the flexible poking plate 341 is driven to move upwards and downwards along the surface of the push plate 31 through the first lifting structure 342, so that the flexible poking plate 341 can adapt to grooves with different depths.
Referring to fig. 3,4 and 5, the flexible pulling and pushing structure 34 further includes a pressure sensor 343 and a buffer structure 344, the pressure sensor 343 is disposed between the flexible pulling plate 341 and the push plate 31 for detecting a resistance force applied during movement of the flexible pulling plate 341, the buffer structure 344 is disposed between the flexible pulling plate 341 and the first lifting structure 342, and the buffer structure 344 is used for reducing the resistance force applied to the flexible pulling plate 341 on the push plate 31.
Specifically, the buffer structure 344 includes a mounting plate 3441 and a plurality of third guide rods 3442, the mounting plate 3441 is disposed in parallel on one side of the sliding plate 3422, the flexible shifting plate 341 is disposed on the mounting plate 3441, the plurality of third guide rods 3442 are parallel to each other, one end of the third guide rod 3442 is connected with the mounting plate 3441, the other end of the third guide rod 3442 passes through the flexible shifting plate 341 and is slidably connected with the flexible shifting plate 341, a second spring 3443 is sleeved on the third guide rod 3442, and two ends of the second spring 3443 are respectively abutted against the mounting plate 3441 and the sliding plate 3422.
Along with the shifting drive structure 5 drives the push plate 31 to move along the transverse moving guide structure 32 towards the ridge direction, the flexible shifting teeth at the lower end of the flexible shifting plate 341 are contacted with the stolon in the soil, at the moment, the stolon generates reverse resistance to the flexible shifting teeth, the resistance is transmitted to the mounting plate 3441 through the flexible shifting plate 341, the mounting plate 3441 moves towards the direction close to the sliding plate 3422 under the action of the resistance, meanwhile, the second spring 3443 sleeved on the third guide rod 3442 is compressed, the second spring 3443 absorbs the energy of the reverse acting force in the compression process, rigid impact is converted into elastic deformation, the reverse acting force is prevented from being directly transmitted to the sliding plate 3422 and the push plate 31 through the buffer structure 344, the stress buffering is realized, the pressure sensor 343 detects the resistance transmitted by the back of the flexible shifting plate 341 in real time when the flexible shifting plate 341 receives the reverse resistance, if the detected resistance is smaller, the current contact strength is moderate, the original moving speed of the flexible poking plate 341 is kept to continue to operate, if the detected resistance is close to or exceeds a threshold value, the situation that the flexible poking plate 341 possibly excessively extrudes stolons is indicated, the output power of the poking-off driving structure 5 is reduced, the moving speed of the flexible poking plate 341 along the transverse moving guiding structure 32 is slowed down until the resistance is reduced to a safe range, the stolons are prevented from being broken due to overlarge stress, after the separation operation is completed, the counter resistance of the stolons to the flexible poking plate 341 disappears, the second spring 3443 restores to a natural extension state under the action of elastic force, the mounting plate 3441 and the flexible poking plate 341 are pushed to return to an initial position, and double protection of buffering and speed regulation of the flexible poking structure 34 in the moving process of pushing the stolons is achieved through the cooperation of the pressure sensor 343 and the buffer structure 344.
Referring to fig. 3, 4 and 6, the upper end of the flexible pulling plate 341 is provided with a sub-plate structure 36, the sub-plate structure 36 includes a flexible barrier 361 and a connection block 362, the lower end of the flexible barrier 361 is connected with the upper end of the flexible pulling plate 341 through a hinge, the connection block 362 is slidably connected with the push plate 31, and the connection block 362 is hinged with the upper end of the flexible barrier 361.
There is the clearance between the upper end of flexible board 341 and push pedal 31, the partly stem leaf of lodging plant can block in this interval, when rotating structure 33 drive push pedal 31 rotates towards the horizontal direction, stem leaf in this interval can receive the extrusion, consequently set up auxiliary plate structure 36 in the upper end of flexible board 341, connecting block 362 hugs closely flexible baffle 361's upper end and push pedal 31, when flexible board 341 moves down, flexible board 341 drives flexible baffle 361 and moves down in step, make the clearance between flexible board 341 upper end and the push pedal 31 covered all the time, thereby avoid the stem leaf card of plant to go into the clearance between flexible board 341's upper end and the push pedal 31.
Referring to fig. 6 and 7, the sub-plate structure 36 further includes two return structures 363, and the two return structures 363 are respectively disposed at both sides of the push plate 31 and are respectively connected with both ends of the two connection blocks 362.
Specifically, the reset structure 363 includes a fourth guide rod 3631, a second slider 3632 and a third spring 3633, the axial direction of the fourth guide rod 3631 is parallel to the moving direction of the flexible shifting plate 341, two ends of the fourth guide rod 3631 are connected with the push plate 31, the second slider 3632 is slidably disposed on the fourth guide rod 3631, the second slider 3632 is connected with the connecting block 362, the third spring 3633 is sleeved on the fourth guide rod 3631, and two ends of the third spring 3633 are respectively abutted with the second slider 3632 and the push plate 31.
When the flexible pulling plate 341 moves downwards, the flexible pulling plate 341 synchronously applies a downward pulling force to the flexible pulling plate 361, the upper end of the flexible pulling plate 361 pulls the two second sliding blocks 3632 to slide downwards along the corresponding fourth guide rods 3631 respectively, the third springs 3633 on the fourth guide rods 3631 are compressed, when the flexible pulling plate 341 moves upwards, the two third springs 3633 simultaneously release elastic potential energy to push the second sliding blocks 3632 to reset along the fourth guide rods 3631, at the moment, the two second sliding blocks 3632 simultaneously provide a pulling force to the upper end of the flexible pulling plate 361 to pull the flexible pulling plate 361 to reset, and automatic adjusting power along with the lifting of the flexible pulling plate 341 is provided for the flexible pulling plate 361 through the guiding of the fourth guide rods 3631, the transmission of the second sliding blocks 3632 and the elastic action of the third springs 3633, so that gaps are always and effectively closed in the whole-stroke lifting process of the flexible pulling plate 341 is ensured.
Referring to fig. 3, 8 and 9, the traverse guide structure 32 includes a support arm 321, a first slider 322 and a guide assembly 323, wherein one end of the support arm 321 is connected with the folding lifting mechanism 4, the first slider 322 is movably disposed on the support arm 321 and the first slider 322 is hinged with the push plate 31, and the guide assembly 323 is disposed on the support arm 321 and connected with the first slider 322 and is used for guiding the first slider 322 to move along the length direction of the support arm 321.
Specifically, the guide assembly 323 includes a plurality of first guide rods 3231, the plurality of first guide rods 3231 are parallel to each other, the first slider 322 is slidably connected with the plurality of first guide rods 3231, and each first guide rod 3231 is sleeved with a first spring 3232, and two ends of the first spring 3232 are respectively abutted to the first slider 322 and the push plate 31.
When the device encounters stolons, the folding lifting mechanism 4 drives the support arm 321 to rotate to a horizontal state, the push plate 31 is in a vertical state at the moment, then the poking driving structure 5 starts to work, the poking driving structure 5 applies thrust force along the length direction of the support arm 321 to the first slider 322, under the action of the guide component 323, the first slider 322 stably slides along a plurality of mutually parallel first guide rods 3231, the first guide rods 3231 restrict the deflection of the first slider 322 through multidirectional constraint, ensure that the first slider 322 only moves along the length direction of the support arm 321, along with the movement of the first slider 322, the push plate 31 synchronously moves towards the ridge direction under the drive of the first slider 322, meanwhile, the first spring 3232 on the first guide rods 3231 is extruded by the first slider 322, compresses and stores elastic potential energy to provide a power basis for subsequent reverse movement, when the flexible poking plate 341 contacts with the stolons, when the stolons are required to be separated from the soil through reciprocating movement, the poking driving structure 5 adjusts the output force, at the moment that the force exerted by the poking driving structure 5 on the first sliding block 322 is reduced, the first spring 3232 releases the elastic potential energy stored in a part, the elastic potential energy generates reverse thrust to act on the first sliding block 322, the first sliding block 322 is pushed to slightly move along the first guide rod 3231 towards the initial direction, the push plate 31 and the flexible poking plate 341 are further driven to reversely move, at the moment that the force exerted by the poking driving structure 5 on the first sliding block 322 is increased, the first sliding block 322 overcomes the spring elasticity to move towards the ridge direction again, the first spring 3232 is further compressed to store energy, and the cycle is performed, under the synergistic effect of the active force of the poking driving structure 5 and the elastic force of the first spring 3232, the first sliding block 322 drives the push plate 31 and the flexible poking plate 341 to realize stable reciprocating movement, so that the flexible poking plate 341 can gently push the stolons for a plurality of times, avoiding the creeping stems from breaking caused by one-time force.
Referring to fig. 8 and 9, the rotating structure 33 includes a bracket 331, a first linear actuator 332 and a connection plate 333, one end of the bracket 331 is hinged with the traverse guide structure 32, the first linear actuator 332 is mounted on the bracket 331, the connection plate 333 is mounted on the push plate 31, and the connection plate 333 is hinged with an output end of the first linear actuator 332.
In the initial state, the support 331, the push plate 31 and the first slider 322 form a triangle structure, when the push plate 31 moves to the ridge edge and needs to rotate upwards, the output end of the first linear drive is prolonged, because one end of the first linear drive 332 is fixed on the support 331, the other end of the first linear drive is hinged with the push plate 31 through the connecting plate 333, the extension of the output end directly leads to the triangle structure initially formed by the rotating structure 33, the side length of the first linear drive 332 is increased, according to the relationship between the side length and the angle of the triangle, when the end point positions of one side are increased, and the end points of the other two sides are fixed, the included angle between the other two sides is increased, namely, the included angle between the push plate 31 and the support 331 is gradually increased, the push plate 31 starts to rotate around the hinge point between the push plate 31 and the first slider 322, the first flexible poking plate 341 of the push plate 31 can hold lodged plants, the plants slowly lift upwards under the lifting force of the push plate 31 along with the gradual inclination of the angle, and the plants are exposed in the range of the liquid fertilizer pipe 35 at the moment, so that the liquid fertilizer can be sprayed on the root and the root, the liquid fertilizer can be fully and the absorption efficiency of the liquid fertilizer can be improved.
Referring to fig. 3, 10 and 11, the folding lifting mechanism 4 includes a folding structure 41 and a second lifting structure 42, the folding structure 41 is connected with the two pulling-out units 3 and switches the pulling-out units 3 between a horizontal state and a vertical state, and the second lifting structure 42 is used for driving the two pulling-out units 3 to lift in a vertical direction.
Specifically, the folding structure 41 includes a lifting plate 411, two rotating shafts 412, a gear set 413 and a worm gear driving assembly 414, the lifting plate 411 is connected with the second lifting structure 42, the two rotating shafts 412 are parallel to each other, the rotating shafts 412 vertically penetrate through the lifting plate 411 and are connected with the lifting plate 411 through bearings, the gear set 413 is used for the two rotating shafts 412, so that the two rotating shafts 412 synchronously rotate reversely, the second lifting structure 42 includes a lifting driver 422 and a plurality of fifth guide rods 421, an output end of the lifting driver 422 is connected with the lifting plate 411, the plurality of fifth guide rods 421 are vertically arranged, the lifting plate 411 is in sliding connection with the fifth guide rods 421, and the worm gear driving assembly 414 is connected with one of the rotating shafts 412.
When the device finishes fertilization operation or needs to be stored, the worm and gear driving component 414 of the folding structure 41 drives one rotating shaft 412 connected with the rotating shaft to rotate around the axis of the worm and gear driving component 414, the other rotating shaft 412 synchronously rotates along with the previous rotating shaft 412, the rotating directions are opposite, the lifting plate 411 is respectively driven to upwards rotate along a plurality of vertically arranged fifth guide rods 421, the left rotating shaft 412 drives the left supporting arm 321 to upwards overturn anticlockwise, the right rotating shaft 412 drives the right supporting arm 321 to upwards overturn clockwise, the gear group 413 always keeps the two rotating shafts 412 synchronously and reversely rotating, the rotating angles of the two supporting arms 321 are ensured to be consistent, the supporting arms 321 are gradually lifted upwards from a horizontal state along with the continuous rotation of the rotating shafts 412 until the two supporting arms 321 rotate to be close to a vertical storage angle, at this time, the worm and gear driving component 414 stops running, the lifting driver 422 in the second lifting structure 42 upwards pushes the lifting plate 411, the lifting plate 411 upwards slides along the plurality of vertically arranged fifth guide rods 421, the lifting plate 411 is prevented from shifting or tilting in the lifting process, the lifting plate 411 drives the folding structure 41, the two lifting plates to move upwards along the lifting plate 411, and the lifting plate 3 is not moved upwards in a synchronous manner, and the whole field is convenient to realize the large-size reduction when the device is stored in a synchronous passage.
Referring to fig. 3, 10 and 12, the pulling-out driving structure 5 includes two pneumatic driving units 51 and an air supply unit 52, the two pneumatic driving units 51 are respectively disposed on the two pulling-out units 3, the pneumatic driving units 51 are connected with the flexible pulling-out structure 34, and the air supply unit 52 is connected with the two pneumatic driving units 51.
Specifically, the pneumatic driving unit 51 includes a guide cylinder 511, a third slider 512 and a driving air bag 513, the axial direction of the guide cylinder 511 is parallel along the length direction of the support arm 321, two ends of the guide cylinder 511 are connected with two ends of the support arm 321, the third slider 512 is slidably disposed in the guide cylinder 511, one end of the third slider 512 extends out of the guide cylinder 511 to be connected with the first slider 322, the driving air bag 513 is disposed in the guide cylinder 511, two ends of the driving air bag 513 are respectively connected with the third slider 512 and the air supply unit 52, the air supply unit 52 includes two air ducts 521, and the two air ducts 521 are respectively connected with the driving air bags 513 in the two pneumatic driving units 51.
When the flexible pulling plate 341 needs to be driven to push, the air supply unit 52 pumps air into the driving air bag 513 through the air duct 521, so that the driving air bag 513 gradually expands and stretches, the thrust generated by expansion pushes the third sliding block 512 to slide along the axial direction of the guide cylinder 511, when the third sliding block 512 slides, the first sliding block 322 fixedly connected with the third sliding block is synchronously driven to move along the first guide rod 3231 of the transverse moving guide structure 32, the first sliding block 322 drives the push plate 31 and the flexible pulling structure 34 on the push plate 31 to move towards the ridge direction, the flexible pulling teeth of the flexible pulling plate 341 contact with the stolons in the soil, when the flexible pulling plate 341 pushes the stolons to move, the resistance is transmitted to the third sliding block 512 through the push plate 31 and the first sliding block 322 when the resistance is generated by the stolons, the third sliding block 512 generates reverse pressure on the driving air bag 513, the driving air bag 513 is in a flexible inflation structure, a certain degree of compression can be generated under the reverse pressure, the rigid resistance is converted into flexible buffering, the resistance is avoided, the resistance is directly transmitted to the guide cylinder 511 or the flexible driving air bag is designed, and meanwhile, the power is buffered by the flexible driving air bag is realized.
The fertilizing method is applied to a plant liquid fertilizer fertilizing device and comprises the following steps:
S1, a walking unit 1 moves along the length direction of a groove, and when stolon exists in front of the walking unit 1, a folding lifting mechanism 4 descends two poking units 3 and expands to a horizontal state;
S2, the poking and separating driving structure 5 drives the flexible poking and pushing structure 34 to move along the guiding direction of the transverse moving guiding structure 32 through the push plate 31, and the flexible poking and pushing structure 34 pushes the stolons to be separated from the ground;
S3, when the push plate 31 and the flexible poking and pushing structure 34 move beside a ridge, the push plate 31 is rotated to be in a horizontal state from a vertical state by the rotating structure 33, and lodging plants are lifted upwards;
and S4, spraying the liquid fertilizer in the liquid fertilizer box 2 to the roots of the plants through a liquid fertilizer pipe 35.
The foregoing examples merely represent one or more embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the present invention, which is within the scope of the present invention. Accordingly, the scope of the present application is to be determined by the following claims.
Claims (10)
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| CN202511811740.8A CN121241768B (en) | 2025-12-04 | 2025-12-04 | Plant liquid fertilizer applying device and applying method thereof |
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