Fertilizing device applied to tobacco planting

Abstract

The invention relates to the technical field of tobacco fertilizing instruments, in particular to a fertilizing device applied to tobacco planting, which comprises a support frame, the discharging mechanism comprises a discharging bin, a partition plate, a discharging pipe and a control wheel. The detection mechanism comprises a roller and controls the discharging mechanism to adjust the discharging amount proportion of the nitrogen fertilizer and the phosphate fertilizer and the total discharging amount; the direction adjusting mechanism comprises a direction adjusting wheel, two pairs of idler wheels roll over roots and stems of tobacco plants, the growth cycle of the plants is recognized, the proportion in the compound fertilizer is automatically adjusted according to different growth cycles and diameters of the tobacco plants, refined fertilization is achieved, the sensitivity can be adjusted through an eccentric rod, and the direction adjusting mechanism adapts to different application scenes. The direction adjusting mechanism can automatically rectify deviation according to the distance change of the rollers, so that blanking and fertilization operation can be performed on a set area, and the fertilization area of the fertilization device is adjusted in real time, so that a preset distance is formed between the fertilization device and the planting equipment.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco fertilizing equipment, in particular to a fertilizing device used for tobacco planting. Background Art

[0002] There are various fertilization devices for tobacco cultivation, which are designed to improve fertilization efficiency, reduce labor costs, and ensure that tobacco plants get adequate nutrition. Tobacco generally uses compound fertilizers for fertilization, but the proportion of fertilizers required by tobacco at different stages is also different. For tobacco seedlings that grow abnormally slowly, a small amount of nitrogen fertilizer is applied to make the above-ground part of the seedlings grow normally, promote root growth, and reduce the gap with normal seedlings. At the same time, the overall fertilizer supply should be controlled to prevent root burn. For tobacco seedlings that grow faster and are about to enter maturity, the nitrogen fertilizer supply should be reduced to prevent the tobacco leaves from being too thick and having poor combustibility, which will affect the quality of the tobacco. At the same time, the potassium fertilizer supply should be increased, and the overall fertilizer supply should be appropriately increased to increase tobacco leaf yields.

[0003] The following are some common tobacco fertilization devices and their features: backpack liquid fertilizer applicator, which adopts a backpack design and is easy to carry and operate; compared with the traditional hand-carrying bucket fertilization method, the backpack liquid fertilizer applicator greatly reduces labor intensity, improves fertilization efficiency, and reduces fertilizer waste and soil pollution; quantitative fertilizer applicators can accurately control the amount of fertilizer to ensure that each tobacco plant obtains the right amount of nutrients; it is usually used in combination with fertilizer machinery to realize automated or semi-automated fertilization operations.

[0004] The Chinese patent with the existing authorization announcement number CN214206412U discloses a tobacco planting fertilization device, including a device body, a support frame is arranged on one side of the device body, and an electric telescopic rod is arranged on one side of the support frame, and a lifting and adjusting frame is arranged on the top of the electric telescopic rod, a fertilizer mixing box is arranged on the top of the device body, and a feeding port is opened on the top of the fertilizer mixing box. The lifting and adjusting frame is pushed by the electric telescopic rod arranged on the top of the device body. During the tobacco fertilizer spraying process, the height of the fertilizer spraying pipe and the fertilizer nozzle arranged on the top of the lifting and adjusting frame can be lifted and adjusted according to the size of the tobacco vegetation, and the lifting direction is slidably guided by the guide slide groove. It can not only be suitable for fertilizing tobacco of different heights and improving the fertilizer effect, but also effectively avoid the waste of fertilizer caused by the inability to adjust the height in the traditional fixed fertilization process. At the same time, the guide slide groove can effectively increase the stability of the lifting operation.

[0005] However, the above patent scheme does not have an adjusting device, and the fertilization area of ​​the fertilization device cannot be adjusted by moving the adjusting device so that there is a predetermined distance between it and the planting equipment. It is impossible to ensure that the fertilization position is always located in the center of the tobacco plant. The position of the fertilization device cannot be adjusted during movement, and deviations are prone to occur, resulting in excessive fertilization and root burns or insufficient fertilization and malnutrition. At the same time, the above device cannot adjust the fertilizer content ratio according to the production cycle of the tobacco plant, and therefore cannot achieve refined fertilization. Summary of the invention

[0006] In view of the above problems in the prior art, the present invention is proposed.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a fertilizing device applied to tobacco planting, comprising: a support frame;

[0008] The feeding mechanism comprises a feeding bin fixedly mounted on the support frame, wherein a partition is arranged in the feeding bin, and the partition divides the feeding bin into feeding channels which are not connected to each other, and a feeding pipe is arranged on the end surface of each feeding channel of the feeding bin, and a control wheel is arranged in the feeding pipe for rotation, and the faster the control wheel rotates, the greater the amount of fertilizer passing through the feeding channel;

[0009] The detection mechanism includes rollers symmetrically arranged at the lower end of the support frame, and the two symmetrically arranged rollers roll along the bottom stems of the tobacco at the same time, and the diameter and growth stage of the bottom stems of the tobacco are determined according to the maximum distance between the two rollers, and the feeding mechanism is controlled to adjust the feeding amount ratio and the total feeding amount of nitrogen fertilizer and phosphorus fertilizer;

[0010] The steering mechanism comprises a steering wheel and an eccentric disc arranged on the lower end surface of the support frame. The steering wheel controls the forward direction of the support frame by rotating in its own direction, so that the tobacco stem is always located in the center of the two rollers.

[0011] As a preferred solution of the fertilization device applied to tobacco planting described in the present invention, wherein: the control wheel is rotatably arranged in the feed pipe, one end of the control wheel rotates through the feed pipe and is provided with a cone sleeve, the outer wall of the cone sleeve is slidably fitted with a turntable, and an adjusting rod is passed through the turntable.

[0012] As a preferred solution of the fertilization device applied to tobacco planting described in the present invention, wherein: brackets are provided at both ends of the turntable for rotation through bearings, a lifting column is provided on the lower end surface of the bracket for vertical sliding, a sliding sleeve is provided at one end of the lifting column, and a translation rod is fixed inside the sliding sleeve.

[0013] As a preferred solution of the fertilization device for tobacco planting of the present invention, wherein: the outer wall of the lifting column is provided with a first elastic member, the end of the adjustment rod away from the control wheel is provided with a universal joint, one end of the universal joint is provided with a rotating shaft, and a pulley is coaxially provided on the rotating shaft;

[0014] A trenching knife is provided at the lower end of the feed pipe, and the interior of the trenching knife is a hollow structure and is communicated with the feed pipe.

[0015] As a preferred solution of the fertilization device used for tobacco planting described in the present invention, wherein: the outer wall fixed sleeve of the translation rod is provided with a connecting rod, the end face of the connecting rod is provided with an eccentric column, one end face of the eccentric disk is provided with an eccentric groove, and the eccentric column is slidably arranged in the eccentric groove.

[0016] As a preferred solution of the fertilization device applied to tobacco planting described in the present invention, wherein: the support frame is rotatably penetrated by a first adjusting rod, a slider is provided at the end of the first adjusting rod, an adjustment groove is provided on one end face of the eccentric disk away from the eccentric groove, and the slider is slidably arranged in the adjustment groove.

[0017] As a preferred solution of the fertilization device applied to tobacco planting described in the present invention, an eccentric rod is provided in the slider for rotation through a bearing, and the eccentric rod is screwed into the adjustment groove through a thread. When the eccentric rod rotates, it slides up and down along the adjustment groove, and at the same time drives the slider to slide up and down to adjust the eccentric amplitude.

[0018] As a preferred solution of the fertilization device for tobacco planting of the present invention, wherein: a shell is provided on the support frame, a gear is rotatably provided in the shell, a rack is also centrally symmetrically provided in the shell, and the gear is meshed with two upper and lower racks at the same time;

[0019] The two rollers are arranged parallel to each other and a suspension is rotatably sleeved on both sides of the two rollers. The two suspensions are fixedly fitted to the two racks respectively.

[0020] As a preferred solution of the fertilization device for tobacco planting of the present invention, wherein: the outer wall of the shell is provided with a limit plate, the end surface of the limit plate is provided with a limit groove, the outer wall of the first adjustment rod is rotatably sleeved with a limit block, the limit block is slidably arranged in the limit groove, and a transmission rod is provided between the limit plate and the gear;

[0021] The housing is provided with floating grooves in parallel, the transmission rod is movably arranged in the floating grooves, and a second adjusting rod is arranged at one end of the gear away from the transmission rod, and the second adjusting rod slides through the floating grooves.

[0022] As a preferred solution of the fertilizing device for tobacco planting of the present invention, wherein: a T-shaped rod is provided at one end of the second adjusting rod extending to the steering wheel, an annular hoop is symmetrically provided at the end of the T-shaped rod, and the steering wheel is rotatably arranged on the support frame through a reversing shaft;

[0023] A steering disc is provided at one end of the steering shaft close to the second adjusting rod, a steering column is vertically provided on the steering disc, and the steering column is slidably arranged on the annular hoop.

[0024] The beneficial effects of the present invention are as follows: by rolling two pairs of rollers over the rhizomes of various tobacco plants, the growth cycle of the plants is identified, and according to the different growth cycles and diameters of the tobacco plants, the proportion of the compound fertilizer is automatically adjusted to achieve refined fertilization. The sensitivity can be adjusted by the eccentric rod to adapt to different application scenarios. The direction adjustment mechanism can automatically correct the deviation according to the change in the roller spacing to ensure that the set area is fed and fertilized, and the fertilization area of ​​the fertilization device is adjusted in real time so that it is at a predetermined distance from the planting equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0026] Figure 1 This is an overall schematic diagram of a fertilization device used for tobacco planting in the present invention;

[0027] Figure 2 It is a schematic diagram of the structure of the lower silo area in the present invention;

[0028] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure of region A;

[0029] Figure 4 It is a schematic diagram of the matching position of the cone sleeve and the rotating disk in the present invention;

[0030] Figure 5 It is a schematic diagram of the eccentric disk area in the present invention;

[0031] Figure 6 It is a schematic diagram of the direction adjustment mechanism in the present invention;

[0032] Figure 7 For the present invention Figure 6 Schematic diagram of the structure of region B;

[0033] Figure 8It is a schematic diagram of the cooperation between the roller and the steering wheel in the present invention;

[0034] Fig. 9 For the present invention Figure 8 Schematic diagram of the C region structure;

[0035] Fig.10 For the present invention Figure 8 Schematic diagram of the D region structure.

[0036] Reference numerals: 100, support frame; 1001, first adjusting rod; 1002, slider; 1003, eccentric column; 1004, eccentric disk; 1005, eccentric groove; 1006, adjustment groove; 1007, eccentric rod; 1008, suspension; 1009, housing; 1011, gear; 1012, rack;

[0037] 200, unloading bin; 2001, trenching knife; 2002, cone sleeve; 2003, turntable; 2004, adjusting rod; 2005, bracket; 2006, lifting column; 2007, sliding sleeve; 2008, translation rod; 2009, connecting rod; 201, partition; 2011, universal joint; 2012, rotating shaft; 2013, pulley; 2019, first elastic member; 202, control wheel; 203, unloading pipe;

[0038] 300, roller; 3001, limit groove; 3002, limit block; 3003, floating groove; 3004, limit plate; 3005, transmission rod; 3006, second adjustment rod; 3007, T-shaped rod; 3008, annular hoop; 3009, reversing shaft; 3011, steering plate; 3012, reversing column;

[0039] 400. Steering wheel. DETAILED DESCRIPTION

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0041] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0042] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0043] Example 1

[0044] Reference Figures 1 to 10 , which is the first embodiment of the present invention, provides a fertilization device for tobacco planting, including a support frame 100, a feeding mechanism, a detection mechanism and a direction adjustment mechanism. Two pairs of rollers 300 roll over the rhizomes of various tobacco plants to identify the plant growth cycle, and automatically adjust the proportion of compound fertilizer according to the different growth cycles and diameters of the tobacco plants to achieve refined fertilization.

[0045] Specifically, the fertilization device used for tobacco planting includes:

[0046] Support frame 100;

[0047] The feeding mechanism comprises a feeding bin 200 fixedly mounted on the support frame 100, a partition 201 is arranged in the feeding bin 200, and the partition 201 divides the feeding bin 200 into feeding channels which are not connected to each other, and a feeding pipe 203 is arranged at the end surface of each feeding channel of the feeding bin 200, and a control wheel 202 is rotatably arranged in the feeding pipe 203, and the faster the control wheel 202 rotates, the greater the amount of fertilizer passing through the feeding channel;

[0048] The detection mechanism includes rollers 300 symmetrically arranged at the lower end of the support frame 100. The two symmetrically arranged rollers 300 roll along the bottom stem of the tobacco at the same time, and the diameter and growth stage of the bottom stem of the tobacco are determined according to the maximum distance between the two rollers 300, and the feeding mechanism is controlled to adjust the feeding ratio of nitrogen fertilizer and phosphorus fertilizer and the total feeding amount;

[0049] The steering mechanism includes a steering wheel 400 and an eccentric disk 1004 arranged on the lower end surface of the support frame 100. The steering wheel 400 controls the forward direction of the support frame 100 by rotating in its own direction, so that the tobacco stems are always located in the center of the two rollers 300.

[0050] Among them, compound fertilizer is generally used in tobacco fertilization, but the proportion of fertilizer required by tobacco at different stages is also different. For tobacco seedlings that grow abnormally slowly, a small amount of nitrogen fertilizer is applied to make the above-ground part of the seedlings grow normally, promote root growth, and reduce the gap with normal seedlings. At the same time, the overall amount of fertilizer applied should be controlled to prevent root burn.

[0051] Among them, for tobacco seedlings that are growing faster and are about to enter the maturity stage, the supply of nitrogen fertilizer should be reduced to prevent the tobacco leaves from being too thick and having poor combustibility, which will affect the quality of the tobacco. At the same time, the supply of potassium fertilizer should be increased, and the overall amount of fertilizer applied should be appropriately increased to increase tobacco leaf yield.

[0052] Among them, the control wheel 202 is rotatably arranged in the discharge pipe 203, one end of the control wheel 202 rotates through the discharge pipe 203 and is provided with a cone sleeve 2002, the outer wall of the cone sleeve 2002 is slidably fitted with a turntable 2003, and an adjustment rod 2004 is penetrated in the turntable 2003.

[0053] The axis of the cone sleeve 2002 coincides with the axis of the control wheel 202 . The cone sleeve 2002 is a truncated cone with a taper of 10° and drives the control wheel 202 to rotate when rotating. The adjustment rod 2004 is also tilted 10° to be parallel to the outer wall of the cone sleeve 2002 .

[0054] More preferably, a flat key is provided on the turntable 2003, and a key slot is provided on the adjusting rod 2004. The turntable 2003 is slidably engaged in the key slot on the adjusting rod 2004 through the flat key, so that the turntable 2003 rotates with the adjusting rod 2004 and can slide along the adjusting rod 2004 at the same time. The conical sleeve 2002 fits tightly with the turntable 2003, so that the conical sleeve 2002 is driven to rotate when the adjusting rod 2004 drives the turntable 2003 to rotate.

[0055] More preferably, brackets 2005 are rotatably provided at both ends of the turntable 2003 via bearings, a lifting column 2006 is vertically slidably provided on the lower end surface of the bracket 2005, a sliding sleeve 2007 is provided at one end of the lifting column 2006, and a translation rod 2008 is fixedly provided inside the sliding sleeve 2007.

[0056] Among them, the translation rod 2008 is arranged parallel to the horizontal plane, the bracket 2005 is in a door shape, the two legs are rotatably mounted on both sides of the turntable 2003, the lower end surface is arranged parallel to the horizontal plane, and the lifting column 2006 slides vertically through the lower end surface of the bracket 2005.

[0057] More preferably, the outer wall of the lifting column 2006 is provided with a first elastic member 2019 , the end of the adjusting rod 2004 away from the control wheel 202 is provided with a universal joint 2011 , one end of the universal joint 2011 is provided with a rotating shaft 2012 , and a pulley 2013 is coaxially provided on the rotating shaft 2012 .

[0058] Among them, the pulley 2013 is connected to the rotating shaft of the steering wheel 400 through a belt, so that the faster the support frame 100 moves forward, the faster the steering wheel 400 rotates, the faster the pulley 2013 drives the cone sleeve 2002 and the control wheel 202 through the rotating shaft 2012, and the faster the fertilizer feeding rate is, which can adapt to different moving speeds.

[0059] More preferably, the first elastic member 2019 is a spring, and both ends of the spring are respectively connected to the lower end surface of the bracket 2005 and the sliding sleeve 2007, thereby always pushing the bracket 2005 to slide upward along the lifting column 2006, so that the turntable 2003 is always in contact with the cone sleeve 2002 and drives it to rotate.

[0060] Preferably, a trenching knife 2001 is provided at the lower end of the feed pipe 203. The trenching knife 2001 is hollow in structure and connected to the feed pipe 203. The end of the trenching knife 2001 close to the steering wheel 400 is a blade end.

[0061] Among them, two adjacent rotating shafts 2012 are connected to the same pulley 2013, so that the unloading rates of the unloading bins 200 on both sides are consistent in the initial state, and two adjacent sliding sleeves 2007 are fixedly connected to the same translation rod 2008 by bolts, so that the adjustment range is consistent.

[0062] For example, in this embodiment, the larger the distance between the two pairs of rollers 300, the thicker the tobacco rhizomes, the faster the growth cycle, and the more potassium fertilizer is needed. Therefore, the sensor records the distance between the rollers 300 and drives the translation rod 2008 to move left and right, thereby increasing the proportion of potassium fertilizer and reducing the proportion of nitrogen fertilizer.

[0063] In other embodiments, the device can also be used to mix chemical fertilizers with organic fertilizers to meet different nutritional requirements during tobacco growth, and can be used in large-scale tobacco planting scenarios or other crops that have requirements for fertilizer content ratios.

[0064] In summary, when in use, nitrogen fertilizer and potassium fertilizer are injected into the lower silo 200, and the compound fertilizer is transported to the predetermined drug application area through the trenching knife 2001, so that the fertilization work can be completed. The partition 201 is used to separate the middle. When the rhizomes of the current tobacco plants are thicker, the two pairs of rollers 300 contact the tobacco rhizomes and roll along their surfaces. The distance between the two rollers 300 increases significantly, so that the sensor drives the translation rod 2008 to move to the left, so that the sliding sleeve 2007 drives the lifting column 2006 to move to the left. At this time, since the adjusting rod 2004 has a taper, the bracket 2005 slides upward along the lifting column 2006 under the push of the first elastic member 2019, so that the turntable 2003 continues to fit upward with the smaller diameter end of the cone sleeve 2002, thereby increasing the transmission ratio between the two.

[0065] At the same time, the rotation speed of the rotating shaft 2012 remains unchanged, and the adjusting rod 2004 and the turntable 2003 are always driven to rotate at a constant speed through the universal joint 2011. As the transmission ratio increases, the rotation speed of the control wheel 202 on the left increases, the falling rate of the potassium fertilizer in the lower bin 200 increases, and the falling rate of the nitrogen fertilizer symmetrically arranged decreases, and the proportion decreases, thereby realizing automatic adjustment of the proportion of the compound fertilizer according to the different growth cycles and diameters of the tobacco plants.

[0066] Example 2

[0067] Reference Figures 1 to 10 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment, but the difference is that the sensitivity can be adjusted by the eccentric rod 1007 to adapt to different application scenarios.

[0068] Specifically, a connecting rod 2009 is fixedly sleeved on the outer wall of the translation rod 2008 , an eccentric column 1003 is provided on the end face of the connecting rod 2009 , an eccentric groove 1005 is opened on one end face of the eccentric disk 1004 , and the eccentric column 1003 is slidably arranged in the eccentric groove 1005 .

[0069] Preferably, the support frame 100 is rotatably provided with a first adjustment rod 1001 , a slider 1002 is provided at the end of the first adjustment rod 1001 , an adjustment groove 1006 is provided on one end face of the eccentric disk 1004 away from the eccentric groove 1005 , and the slider 1002 is slidably provided in the adjustment groove 1006 .

[0070] Among them, the eccentric disk 1004 is a circular disk, and the eccentric groove 1005 is an annular groove. In the initial state, the eccentric disk 1004 and the first adjusting rod 1001 are eccentrically arranged, so that when the first adjusting rod 1001 rotates, the eccentric column 1003 is driven to rotate in the eccentric groove 1005 and drive the translation rod 2008 to translate left and right. When the first adjusting rod 1001 rotates clockwise, the translation rod 2008 moves to the right, and vice versa.

[0071] More preferably, an eccentric rod 1007 is provided in the slider 1002 for rotation via a bearing, and the eccentric rod 1007 is screwed into the adjustment slot 1006 via a thread. When the eccentric rod 1007 rotates, it slides up and down along the adjustment slot 1006, and at the same time drives the slider 1002 to slide up and down to adjust the eccentricity.

[0072] Preferably, in other embodiments, the eccentric disk 1004 can be arranged concentrically with the first adjusting rod 1001, so as to maintain a constant fertilizer feeding amount.

[0073] Furthermore, a shell 1009 is provided on the support frame 100 , a gear 1011 is rotatably provided inside the shell 1009 , and a rack 1012 is also centrally symmetrically provided inside the shell 1009 , and the gear 1011 is meshed with the upper and lower racks 1012 at the same time.

[0074] The two rollers 300 are arranged parallel to each other and are rotatably sleeved with suspensions 1008 on both sides thereof. The two suspensions 1008 are fixedly fitted with two racks 1012 respectively. In this embodiment, the end face of the gear 1011 is concentrically fixedly connected with the first adjusting rod 1001 .

[0075] More preferably, in this embodiment, the two racks 1012 are arranged parallel to each other on the upper and lower sides of the gear 1011, and slide along the inner wall of the shell 1009 through a sliding column. The moving direction of the rack 1012 is the same as the moving direction of the roller 300. When the two rollers 300 are spread out by the tobacco roots and move outward, the two racks 1012 are driven to move left and right, and the gear 1011 is rotated in place. A clockwork spring is provided between the gear 1011 and the shell 1009, so that it can automatically reset after leaving the tobacco.

[0076] In summary, when in use, the device passes through the center of the tobacco, and when the two pairs of rollers 300 roll along the tobacco root and stem area, the rollers 300 move outward through the suspension 1008 to drive the two racks 1012 to move left and right, and make the gear 1011 rotate in place, driving the first adjusting rod 1001 to rotate, thereby rotating the eccentric disk 1004 eccentrically connected thereto, rotating in the eccentric groove 1005 through the eccentric column 1003, and moving left and right according to the degree of eccentricity, thereby adjusting the fertilizer feeding ratio.

[0077] At the same time, when the diameters of the plants are relatively similar, the sensitivity of the device needs to be adjusted. The eccentric rod 1007 is rotated to make the slider 1002 move outward in the adjustment slot 1006, thereby increasing the degree of eccentricity and adjusting the sensitivity.

[0078] Example 3

[0079] Reference Figure 1-Figure 10 , which is the third embodiment of the present invention, is based on the previous embodiment, but is different in that the device can automatically correct the deviation to ensure that the set area is fertilized and the fertilization area of ​​the fertilization device is adjusted in real time so that there is a predetermined distance between it and the planting equipment.

[0080] Specifically, a limit plate 3004 is provided on the outer wall of the shell 1009, a limit groove 3001 is provided on the end face of the limit plate 3004, a limit block 3002 is rotatably sleeved on the outer wall of the first adjusting rod 1001, the limit block 3002 is slidably arranged in the limit groove 3001, and a transmission rod 3005 is provided between the limit plate 3004 and the gear 1011.

[0081] More preferably, the housing 1009 is provided with floating grooves 3003 in parallel, the transmission rod 3005 is movably disposed in the floating grooves 3003 , and a second adjustment rod 3006 is disposed at one end of the gear 1011 away from the transmission rod 3005 , and the second adjustment rod 3006 slides through the floating grooves 3003 .

[0082] The transmission rod 3005 and the inner walls on both sides of the floating groove 3003 are respectively provided with springs, so that the transmission rod 3005 can be reset under the joint action of the two springs after being deflected.

[0083] Preferably, in the initial state, the limit block 3002 is located at the center of the limit groove 3001, the transmission rod 3005 is coaxially arranged with the gear 1011 and the limit plate 3004, the floating groove 3003 is a waist-shaped groove opened in parallel, and the limit groove 3001 is also a waist-shaped groove arranged in parallel.

[0084] The second adjusting rod 3006 extends to one end of the steering wheel 400 and is provided with a T-shaped rod 3007 , and an annular hoop 3008 is symmetrically provided at the end of the T-shaped rod 3007 . The steering wheel 400 is rotatably arranged on the support frame 100 through the reversing shaft 3009 .

[0085] More preferably, a steering disc 3011 is provided at one end of the steering shaft 3009 close to the second adjusting rod 3006 , and a steering column 3012 is vertically provided on the steering disc 3011 , and the steering column 3012 is slidably provided on the annular hoop 3008 .

[0086] Among them, the steering disc 3011 is arranged parallel to the horizontal plane, the annular hoop 3008 is a hollow waist-shaped hoop, the annular hoop 3008 is arranged vertically to the T-shaped rod 3007, and the reversing column 3012 slides on the annular hoop 3008, so that when the T-shaped rod 3007 moves, the reversing column 3012 slides along the annular hoop 3008, thereby driving the steering disc 3011 to rotate.

[0087] In summary, when in use, when the support frame 100 deviates from the central position of the tobacco plant to the right, the moving stroke of the left roller 300 decreases, and the moving stroke of the right roller 300 increases, so that the rack 1012 connected to the right roller 300 produces an additional displacement compared to the left roller 300, thereby driving the gear 1011 to move to the right, and at the same time, the transmission rod 3005 drives the limit plate 3004 to slide to the right along the floating groove 3003, so that the limit block 3002 is separated from the central position of the limit groove 3001. At this time, the first adjusting rod 1001 no longer rotates, maintaining the current fertilizer ratio unchanged, and at the same time, the rotation speed of the pulley 2013 is reduced through the sensor to reduce the amount of fertilizer discharged.

[0088] At the same time, the gear 1011 drives the second adjusting rod 3006 to move, and controls the movement of the annular hoop 3008 through the T-shaped rod 3007, and then drives the steering disk 3011 to rotate through the reversing column 3012, and then controls the steering wheel 400 to rotate left through the reversing shaft 3009. At this time, the support frame 100 continues to be pushed to make the device slowly shift to the left, and the gear 1011 is reset under the drive of the spring and the clockwork spring until it returns to the central position, ensuring the setting area for fertilization operations, and adjusting the fertilization area of ​​the fertilization device in real time, so that there is a predetermined distance between it and the planting equipment.

[0089] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0090] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A fertilization device for tobacco planting, characterized in that: include: Support frame (100); The material discharge mechanism comprises a material discharge bin (200) fixedly arranged on the support frame (100), a partition (201) being arranged inside the material discharge bin (200), the partition (201) dividing the material discharge bin (200) into mutually unconnected material discharge channels, a material discharge pipe (203) being arranged at the end surface of each material discharge channel of the material discharge bin (200), a control wheel (202) being rotatably arranged inside the material discharge pipe (203), the faster the control wheel (202) rotates, the greater the amount of fertilizer passing through the material discharge channel; The detection mechanism comprises rollers (300) symmetrically arranged at the lower end of the support frame (100), wherein the two symmetrically arranged rollers (300) roll along the bottom stem of the tobacco at the same time, and the diameter and growth stage of the bottom stem of the tobacco are determined according to the maximum distance between the two rollers (300), and the feeding mechanism is controlled to adjust the feeding amount ratio and the total feeding amount of nitrogen fertilizer and phosphorus fertilizer; The steering mechanism comprises a steering wheel (400) and an eccentric disc (1004) arranged on the lower end surface of the support frame (100); the steering wheel (400) controls the forward direction of the support frame (100) by rotating in its own direction, so that the tobacco stems are always located in the center of the two rollers (300).

2. The fertilization device for tobacco planting according to claim 1, characterized in that: The control wheel (202) is rotatably arranged in the discharge pipe (203), one end of the control wheel (202) is rotatably passed through the discharge pipe (203) and is provided with a cone sleeve (2002), the outer wall of the cone sleeve (2002) is slidably fitted with a turntable (2003), and an adjustment rod (2004) is passed through the turntable (2003).

3. The fertilization device for tobacco planting according to claim 2, characterized in that: Brackets (2005) are rotatably provided at both ends of the turntable (2003) via bearings, a lifting column (2006) is vertically slidably provided on the lower end surface of the bracket (2005), a sliding sleeve (2007) is provided at one end of the lifting column (2006), and a translation rod (2008) is fixedly provided inside the sliding sleeve (2007).

4. The fertilization device for tobacco planting according to claim 3, characterized in that: The outer wall of the lifting column (2006) is sleeved with a first elastic member (2019); the end of the adjusting rod (2004) away from the control wheel (202) is provided with a universal joint (211); one end of the universal joint (2011) is provided with a rotating shaft (212); and a pulley (2013) is coaxially provided on the rotating shaft (2012); A trenching knife (2001) is provided at the lower end of the feed pipe (203); the trenching knife (2001) has a hollow structure inside and is connected to the feed pipe (203).

5. The fertilization device for tobacco planting according to claim 4, characterized in that: The outer wall of the translation rod (2008) is fixedly sleeved with a connecting rod (2009), the end face of the connecting rod (2009) is provided with an eccentric column (1003), one end face of the eccentric disk (1004) is provided with an eccentric groove (1005), and the eccentric column (1003) is slidably arranged in the eccentric groove (1005).

6. The fertilization device for tobacco planting according to claim 5, characterized in that: The support frame (100) is rotatably provided with a first adjustment rod (1001), the end of the first adjustment rod (1001) is provided with a slider (1002), an end surface of the eccentric disk (1004) away from the eccentric groove (1005) is provided with an adjustment groove (1006), and the slider (1002) is slidably arranged in the adjustment groove (1006).

7. The fertilization device for tobacco planting according to claim 6, characterized in that: An eccentric rod (1007) is rotatably provided in the slider (1002) via a bearing. The eccentric rod (1007) is screwed into the adjustment groove (1006) via a thread. When the eccentric rod (1007) rotates, it slides up and down along the adjustment groove (1006), and at the same time drives the slider (1002) to slide up and down to adjust the eccentricity range.

8. The fertilization device for tobacco planting according to claim 7, characterized in that: The support frame (100) is provided with a housing (1009), a gear (1011) is rotatably provided inside the housing (1009), a rack (1012) is also centrally symmetrically provided inside the housing (1009), and the gear (1011) is meshed with two upper and lower racks (1012) at the same time; The two rollers (300) are arranged parallel to each other and have suspensions (1008) rotatably sleeved on both sides thereof. The two suspensions (1008) are respectively fixedly fitted to two racks (1012).

9. The fertilization device for tobacco planting according to claim 8, characterized in that: The outer wall of the housing (1009) is provided with a limiting plate (3004), the end surface of the limiting plate (3004) is provided with a limiting groove (3001), the outer wall of the first adjusting rod (1001) is rotatably sleeved with a limiting block (3002), the limiting block (3002) is slidably arranged in the limiting groove (3001), and a transmission rod (3005) is provided between the limiting plate (3004) and the gear (1011); The housing (1009) is provided with a floating groove (3003) in parallel, the transmission rod (3005) is movably arranged in the floating groove (3003), and a second adjustment rod (3006) is provided at one end of the gear (1011) away from the transmission rod (3005), and the second adjustment rod (3006) slides through the floating groove (3003).

10. The fertilization device for tobacco planting according to claim 9, characterized in that: The second adjusting rod (3006) is extended to one end of the steering wheel (400) and is provided with a T-shaped rod (3007), and an annular hoop (3008) is symmetrically provided at the end of the T-shaped rod (3007), and the steering wheel (400) is rotatably arranged on the support frame (100) via a reversing shaft (3009); A steering disc (3011) is provided at one end of the steering shaft (3009) close to the second adjusting rod (3006), and a steering column (3012) is vertically provided on the steering disc (3011), and the steering column (3012) is slidably arranged on the annular hoop (3008).

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