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CN113439517A - Tobacco planting topdressing device - Google Patents

Tobacco planting topdressing device Download PDF

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Publication number
CN113439517A
CN113439517A CN202110842323.5A CN202110842323A CN113439517A CN 113439517 A CN113439517 A CN 113439517A CN 202110842323 A CN202110842323 A CN 202110842323A CN 113439517 A CN113439517 A CN 113439517A
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China
Prior art keywords
top dressing
soil
fertilizer
cavity
cylinder
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Granted
Application number
CN202110842323.5A
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Chinese (zh)
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CN113439517B (en
Inventor
雷强
景延秋
何佶弦
官宇
余祥文
李俊举
顾会战
张启莉
母明新
孙志普
罗柱石
杨懿德
杨洋
鄢敏
李林秋
夏春
雷晓
张永辉
谢强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangyuan Company Sichuan Tobacco Co ltd
Jing Yanqiu
Sichuan Tobacco Co Ltd Luzhou Co ltd
SICHUAN TOBACCO Corp YIBIN BRANCH
China National Tobacco Corp Sichuan Branch
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Individual
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Priority to CN202110842323.5A priority Critical patent/CN113439517B/en
Publication of CN113439517A publication Critical patent/CN113439517A/en
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Publication of CN113439517B publication Critical patent/CN113439517B/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C15/00—Fertiliser distributors
    • A01C15/12—Fertiliser distributors with movable parts of the receptacle
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/04—Machines for making or covering holes for sowing or planting
    • 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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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fertilizing (AREA)

Abstract

本发明适用于烟草种植领域，提供了一种烟草种植追肥装置，包括外筒，还包括：内管，所述内管配合滑动安装于外筒的一端部，且所述内管用于储存肥料；追肥插筒，所述追肥插筒配合滑动安装于外筒的另一端部，内管和追肥插筒连接固定，且所述内管和追肥插筒连通设置，所述追肥插筒用于进行烟草追肥的土壤开槽以及向槽中施加肥料；施肥控制组件，所述施肥控制组件安装于内管和追肥插筒的内侧，且所述施肥控制组件用于控制追肥插筒向槽中施加肥料；覆土组件，所述覆土组件安装于外筒上，且所述覆土组件和追肥插筒配合设置，覆土组件用于对施加肥料后的槽进行覆土。本发明便于定点追肥操作，且追肥后的覆土方便，提升烟草追肥的效率。

Figure 202110842323

The invention is suitable for the field of tobacco planting, and provides a top-dressing device for tobacco planting, comprising an outer cylinder, and further comprising: an inner pipe, the inner pipe is slidably installed on one end of the outer cylinder, and the inner pipe is used for storing fertilizer; The top dressing insert is installed on the other end of the outer cylinder in cooperation with the top dressing, the inner pipe and the top dressing insert are connected and fixed, and the inner pipe and the top dressing insert are connected and arranged, and the top dressing insert is used for tobacco Slotting the soil for top dressing and applying fertilizer to the tank; a fertilization control assembly, the fertilization control assembly is installed on the inner pipe and the inner side of the top dressing insert, and the fertilization control assembly is used to control the top dressing insert to apply fertilizer into the tank; The soil-covering component is installed on the outer cylinder, and the soil-covering component is matched with the top dressing inserting cylinder, and the soil-covering component is used for soil-covering the trough after fertilizer application. The invention is convenient for the fixed-point top dressing operation, and the soil covering after the top dressing is convenient, and the efficiency of the tobacco top dressing is improved.

Figure 202110842323

Description

Tobacco planting topdressing device
Technical Field
The invention belongs to the field of tobacco planting, and particularly relates to a tobacco planting topdressing device.
Background
Tobacco is a raw material of the tobacco industry, and the tobacco processing generally comprises the steps of air curing, sun curing, flue-curing, dark open fire curing and the like, and a tobacco dust removal device is indispensable in the processing steps.
When carrying out tobacco planting, need carry out the top dressing of unscheduled to satisfy the growth demand of tobacco, but current tobacco top dressing device is inconvenient for the operation of fixed point top dressing, and the earthing after the top dressing is inconvenient, influences the efficiency of tobacco top dressing.
Therefore, in view of the above current situation, there is an urgent need to develop a tobacco planting and top dressing device to overcome the shortcomings in the current practical application.
Disclosure of Invention
The embodiment of the invention aims to provide a tobacco planting topdressing device, and aims to solve the problems that the existing tobacco topdressing device is inconvenient for fixed-point topdressing operation, soil covering after topdressing is inconvenient, and tobacco topdressing efficiency is affected.
The embodiment of the invention is realized in such a way that the tobacco planting topdressing device comprises an outer barrel and further comprises: the inner pipe is matched and slidably arranged at one end part of the outer cylinder and is used for storing fertilizer; the top dressing inserting cylinder is matched and slidably mounted at the other end of the outer cylinder, the inner pipe is fixedly connected with the top dressing inserting cylinder, the inner pipe is communicated with the top dressing inserting cylinder, and the top dressing inserting cylinder is used for grooving soil for top dressing of tobacco and applying fertilizer to the grooves; the fertilization control assembly is arranged on the inner side of the inner pipe and the top dressing inserting barrel and is used for controlling the top dressing inserting barrel to apply fertilizer to the groove; the soil covering assembly is installed on the outer barrel, the soil covering assembly and the top dressing inserting barrel are arranged in a matched mode, and the soil covering assembly is used for covering soil in a groove after fertilizer is applied.
According to the further technical scheme, a cavity with an opening at one end is formed in the inner side of the outer cylinder, the top dressing inserting cylinder is arranged in the cavity in a matched sliding mode, a first spring is fixedly arranged at one end, close to the inner pipe, of the top dressing inserting cylinder, the first spring is sleeved on the inner pipe, and the other end of the first spring is fixed to the inner end portion of the cavity; the outer barrel is far away from the one end that the topdressing inserted the section of thick bamboo and still seted up the slip hole with the cavity intercommunication, inner tube and slip hole cooperation sliding connection.
According to a further technical scheme, one end, far away from the inner pipe, of the top dressing inserting barrel is of a conical structure.
According to a further technical scheme, the fertilization control assembly comprises a pressing ring, a pressing rod, a sealing cover, a plugging piston and a second spring, an inner cavity of the additional fertilization inserting barrel is a fertilizer cavity, an inner tube is communicated with the fertilizer cavity, one end, close to a conical part of the additional fertilization inserting barrel, of the additional fertilization inserting barrel is circumferentially distributed and provided with a plurality of fertilizer outlets communicated with the fertilizer cavity, a plugging piston capable of plugging the fertilizer outlets is arranged in the fertilizer cavity in a matched sliding mode, the second spring is fixedly installed on one side, close to the conical part of the additional fertilization inserting barrel, of the plugging piston, the other end of the second spring is fixedly connected with the wall of the fertilizer cavity, one side, far away from the conical part of the additional fertilization inserting barrel, of the second spring is provided with the pressing rod, the other end of the pressing rod extends out of the end of the inner tube, the pressing ring is fixedly installed on the other end of the pressing rod, and the end, far away from the outer tube, of the inner tube can be detachably installed with the sealing cover, the sealing cover is connected with the pressing rod in a sliding and rotating way.
Further technical scheme, still be equipped with in the inner chamber in fertilizer chamber and be used for carrying out spacing annular inclined plane to the shutoff piston, the one end that annular inclined plane is close to the shutoff piston sets up towards the middle part slope in fertilizer chamber, just the shutoff piston supports with annular inclined plane under the spring action of second spring and leans on, and when the shutoff piston supported with annular inclined plane and leans on, the shutoff piston can carry out the shutoff completely to the fertilizer export.
According to a further technical scheme, the pressing rod is rotatably connected with the plugging piston, and a spiral blade is further installed on one end part, close to the plugging piston, of the pressing rod.
Further technical scheme, the earthing subassembly is including connecting rod, dialling native pole and dialling native tooth, the urceolus is close to the one end circumference distribution of topdressing and inserts a section of thick bamboo and articulates and is equipped with many dialling native poles, and the downside of dialling native pole is equipped with a plurality of dialling native teeth, and the one end that the urceolus was kept away from to the upside of dialling native pole articulates and is equipped with a connecting rod, and the other end of connecting rod articulates on the inner tube.
According to the further technical scheme, when the top dressing inserting cylinder is used for soil grooving, the top dressing inserting cylinder is contracted into the cavity, and the soil shifting rod is pulled to be far away from the surface of soil through the matching of the inner pipe and the connecting rod; after fertilization is finished, the topdressing inserting barrel is pulled out from the soil groove, the topdressing inserting barrel recovers the original position under the elastic action of the first spring, and then the soil shifting rod is pushed to be close to the surface of the soil through the matching of the inner pipe and the connecting rod.
According to the further technical scheme, the soil shifting teeth are of isosceles triangle structures, and the bottoms of the soil shifting teeth are fixedly connected with the soil shifting rods.
According to a further technical scheme, one end, far away from the top dressing inserting barrel, of the outer barrel is fixedly supported by an inner holding ring through a plurality of connecting plates which are circumferentially distributed, the inner holding ring is located on the outer side of the connecting rods, and an outer holding ring is fixedly supported on the outer side of the inner holding ring through a plurality of connecting rods which are circumferentially distributed.
According to the tobacco planting topdressing device provided by the embodiment of the invention, through the matching structure arrangement of the inner tube, the outer tube and the topdressing inserting tube, soil grooving is conveniently carried out on the position of tobacco needing topdressing through the topdressing inserting tube, and the topdressing inserting tube is controlled to apply fertilizer to the groove through the fertilizing control assembly after the soil grooving; after the fertilization, insert a section of thick bamboo cooperation setting because of earthing subassembly and additional fertilizer, the earthing subassembly can carry out the earthing to the groove after applying fertilizer, and convenient operation is swift, promotes the efficiency of tobacco additional fertilizer.
Drawings
Fig. 1 is a schematic perspective view of a tobacco planting and top dressing device provided in an embodiment of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic bottom view of the structure of FIG. 2;
FIG. 4 is a schematic cross-sectional view of an outer barrel part of the tobacco planting and top dressing device according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure view of the lower part of a top dressing insert barrel in the top dressing device for tobacco planting provided by the embodiment of the invention.
In the figure: 1-pressing ring, 2-pressing rod, 3-sealing cover, 4-inner tube, 5-connecting rod, 6-outer holding ring, 7-connecting rod, 8-inner holding ring, 9-connecting plate, 10-outer tube, 11-soil-shifting rod, 12-soil-shifting tooth, 13-fertilizer outlet, 14-top dressing insert tube, 15-cavity, 16-first spring, 17-sliding hole, 18-fertilizer cavity, 19-helical blade, 20-annular inclined surface, 21-blocking piston and 22-second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 3, the tobacco planting and top dressing device provided for one embodiment of the present invention includes an outer cylinder 10, and further includes:
the inner pipe 4 is matched and slidably arranged at one end part of the outer cylinder 10, and the inner pipe 4 is used for storing fertilizer;
the top dressing inserting cylinder 14 is matched and slidably mounted at the other end of the outer cylinder 10, the inner pipe 4 is fixedly connected with the top dressing inserting cylinder 14, the inner pipe 4 is communicated with the top dressing inserting cylinder 14, and the top dressing inserting cylinder 14 is used for grooving soil for top dressing of tobacco and applying fertilizer to the grooves;
a fertilization control assembly which is installed inside the inner pipe 4 and the top dressing insert cylinder 14 and is used for controlling the top dressing insert cylinder 14 to apply fertilizer into the groove;
and the soil covering assembly is arranged on the outer barrel 10, the soil covering assembly and the top dressing inserting barrel 14 are arranged in a matched mode, and the soil covering assembly is used for covering soil in the groove after fertilizer is applied.
In the embodiment of the invention, through the matching structure arrangement of the inner tube 4, the outer tube 10 and the top dressing inserting tube 14, the soil grooving of the tobacco at the position needing top dressing through the top dressing inserting tube 14 is facilitated, and the top dressing inserting tube 14 is controlled to apply fertilizer to the groove through the fertilizing control assembly after the soil grooving; after the fertilization, insert a 14 cooperation settings because of earthing subassembly and additional fertilizer, the earthing subassembly can carry out the earthing to the groove after applying fertilizer, and convenient operation is swift, promotes the efficiency of tobacco additional fertilizer.
As shown in fig. 1 and 4-5, as a preferred embodiment of the present invention, a cavity 15 with an opening at one end is opened on the inner side of the outer cylinder 10, the top dressing insertion cylinder 14 is slidably disposed in the cavity 15, a first spring 16 is further fixedly disposed at one end of the top dressing insertion cylinder 14 close to the inner tube 4, the first spring 16 is sleeved on the inner tube 4, and the other end of the first spring 16 is fixed at the inner end of the cavity 15.
The end, far away from the inner tube 4, of the top dressing inserting tube 14 is of a conical structure, and the top dressing inserting tube 14 can be inserted into soil conveniently.
The outer barrel 10 is kept away from the one end that the section of thick bamboo 14 was inserted in the additional manuring and is still seted up the slip hole 17 with cavity 15 intercommunication, inner tube 4 and slip hole 17 cooperation sliding connection do benefit to and carry out the linkage through inner tube 4 and the fixed of the section of thick bamboo 14 is inserted in the additional manuring.
The fertilization control assembly comprises a pressing ring 1, a pressing rod 2, a sealing cover 3, a plugging piston 21 and a second spring 22, an inner cavity of the additional fertilization insert barrel 14 is a fertilizer cavity 18, the inner tube 4 is communicated with the fertilizer cavity 18, one end, close to a conical part of the additional fertilization insert barrel 14, of the additional fertilization insert barrel 14 is circumferentially distributed and provided with a plurality of fertilizer outlets 13 communicated with the fertilizer cavity 18, the fertilizer cavity 18 is internally provided with the plugging piston 21 which can plug the fertilizer outlets 13 in a matched sliding mode, one side, close to the conical part of the additional fertilization insert barrel 14, of the plugging piston 21 is fixedly provided with the second spring 22, the other end of the second spring 22 is fixedly connected with the wall of the fertilizer cavity 18, one side, far away from the conical part of the additional fertilization insert barrel 14, of the second spring 22 is provided with the pressing rod 2, the other end of the pressing rod 2 extends out of the end part of the inner tube 4, and the other end of the pressing rod 2 is fixedly provided with the pressing ring 1, the end of the inner tube 4 far away from the outer cylinder 10 can be also detachably provided with a sealing cover 3, and the sealing cover 3 is connected with the pressing rod 2 in a sliding and rotating way.
Further, an annular inclined surface 20 used for limiting the blocking piston 21 is further arranged in the inner cavity of the fertilizer cavity 18, the annular inclined surface 20 is obliquely arranged towards the middle of the fertilizer cavity 18 for one end close to the blocking piston 21, the blocking piston 21 abuts against the annular inclined surface 20 under the elastic force action of a second spring 22, and when the blocking piston 21 abuts against the annular inclined surface 20, the blocking piston 21 can completely block the fertilizer outlet 13. When the fertilizer is applied, when soil slotting is carried out through the top dressing inserting cylinder 14, the fertilizer outlet 13 is plugged by the plugging piston 21, at the moment, the fertilizer cannot fall out, and the soil cannot enter the fertilizer cavity 18; when fertilizeing, press down the pressure pole 2 through operation pressing ring 1 and press down, and then press down shutoff piston 21 through pressing down the pressure pole 2 for shutoff piston 21 does not carry out the shutoff to fertilizer export 13, and fertilizer can be discharged to the soil fluting through fertilizer export 13.
In order to promote fertilizer exhaust efficiency, press depression bar 2 and shutoff piston 21 to rotate and connect, still install helical blade 19 on the tip that press depression bar 2 to be close to shutoff piston 21, like this when needs fertilize, rotate according to depression bar 2 through operation press ring 1, can drive fertilizer chamber 18 and rotate, do benefit to fertilizer and extrude the discharge through fertilizer export 13, promote the efficiency of fertilizeing.
It should be noted that: under normal conditions, the elasticity of the second spring 22 is far greater than the sum of the pressure of the fertilizer in the fertilizer cavity 18 on the blocking piston 21 and the gravity of the blocking piston 21, so that the reliability of the operation is improved, namely, the blocking piston 21 can be separated from the annular inclined surface 20 only when external force is applied.
As shown in fig. 1, as a preferred embodiment of the present invention, the soil covering assembly includes a connecting rod 5, soil shifting rods 11 and soil shifting teeth 12, a plurality of soil shifting rods 11 are distributed and hinged in the circumferential direction at one end of the outer cylinder 10 close to the top dressing insertion cylinder 14, a plurality of soil shifting teeth 12 are arranged at the lower side of the soil shifting rods 11, one end of the upper side of each soil shifting rod 11 far from the outer cylinder 10 is hinged with one connecting rod 5, the other end of each connecting rod 5 is hinged to the inner tube 4, when the top dressing insertion cylinder 14 performs soil slotting, the top dressing insertion cylinder 14 is retracted into the cavity 15, and the soil shifting rods 11 are pulled away from the surface of the soil through the cooperation of the inner tube 4 and the connecting rods 5, so as to facilitate slotting; after the fertilization, the topdressing is inserted a section of thick bamboo 14 and is taken out from the soil groove, and a section of thick bamboo 14 is inserted in the topdressing and resume the normal position under the spring action of first spring 16, and then promotes the surface that the pole 11 is close to soil through inner tube 4 and the cooperation of connecting rod 5, rotates the device again, does benefit to promptly and carries out the earthing operation in soil groove through the cooperation of pole 11 and the tooth 12 of dialling soil.
Further, the soil shifting teeth 12 are of isosceles triangle structures, and the bottoms of the soil shifting teeth 12 are fixedly connected with the soil shifting rods 11.
As shown in fig. 1, as a preferred embodiment of the present invention, an end of the outer cylinder 10 away from the top dressing insertion cylinder 14 is further supported and fixed with an inner grip ring 8 through a plurality of circumferentially distributed connection plates 9, the inner grip ring 8 is located outside the plurality of links 5, and the outer grip ring 6 is further supported and fixed outside the inner grip ring 8 through a plurality of circumferentially distributed connection rods 7.
In the embodiment of the invention, the outer holding ring 6, the connecting rod 7, the inner holding ring 8 and the connecting plate 9 are structurally arranged, so that the control operation of the device is convenient, the device is stable and reliable, and the control is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1.一种烟草种植追肥装置，包括外筒，其特征在于，还包括：1. a tobacco planting top dressing device, comprising outer cylinder, is characterized in that, also comprises: 内管，所述内管配合滑动安装于外筒的一端部，且所述内管用于储存肥料；an inner tube, the inner tube is slidably installed on one end of the outer cylinder, and the inner tube is used for storing fertilizer; 追肥插筒，所述追肥插筒配合滑动安装于外筒的另一端部，内管和追肥插筒连接固定，且所述内管和追肥插筒连通设置，所述追肥插筒用于进行烟草追肥的土壤开槽以及向槽中施加肥料；The top dressing insert is installed on the other end of the outer cylinder in cooperation with the top dressing, the inner pipe and the top dressing insert are connected and fixed, and the inner pipe and the top dressing insert are connected and arranged, and the top dressing insert is used for tobacco Soil grooving for top dressing and application of fertilizer to the trough; 施肥控制组件，所述施肥控制组件安装于内管和追肥插筒的内侧，且所述施肥控制组件用于控制追肥插筒向槽中施加肥料；a fertilization control assembly, the fertilization control assembly is installed on the inner side of the inner pipe and the top dressing insert, and the fertilization control assembly is used for controlling the top dressing insert to apply fertilizer into the tank; 覆土组件，所述覆土组件安装于外筒上，且所述覆土组件和追肥插筒配合设置，覆土组件用于对施加肥料后的槽进行覆土。The soil-covering component is installed on the outer cylinder, and the soil-covering component is matched with the top dressing inserting cylinder, and the soil-covering component is used for soil-covering the trough after fertilizer application. 2.根据权利要求1所述的烟草种植追肥装置，其特征在于，所述外筒的内侧开设有一端开口的空腔，追肥插筒配合滑动设置于空腔内，追肥插筒靠近内管的一端还固定设有第一弹簧，第一弹簧套设于内管上，第一弹簧的另一端固定于空腔的内端部；2. The top dressing device for tobacco planting according to claim 1, is characterized in that, the inner side of the outer cylinder is provided with a cavity with one end open, and the top dressing inserting cylinder cooperates and slides to be arranged in the cavity, and the top dressing inserting cylinder is close to the inner side of the inner tube. One end is also fixed with a first spring, the first spring is sleeved on the inner tube, and the other end of the first spring is fixed at the inner end of the cavity; 所述外筒远离追肥插筒的一端还开设有与空腔连通的滑动孔，所述内管和滑动孔配合滑动连接。The end of the outer cylinder away from the top dressing inserting cylinder is also provided with a sliding hole communicating with the cavity, and the inner tube and the sliding hole are matched and slidably connected. 3.根据权利要求2所述的烟草种植追肥装置，其特征在于，所述追肥插筒远离内管的一端为锥形结构。3 . The top dressing device for tobacco planting according to claim 2 , wherein one end of the top dressing inserting cylinder away from the inner tube has a tapered structure. 4 . 4.根据权利要求2或3所述的烟草种植追肥装置，其特征在于，所述施肥控制组件包括有按压环、按压杆、密封盖、封堵活塞和第二弹簧；4. The top dressing device for tobacco planting according to claim 2 or 3, wherein the fertilization control assembly comprises a pressing ring, a pressing rod, a sealing cover, a blocking piston and a second spring; 所述追肥插筒的内腔为肥料腔，内管和肥料腔连通设置，追肥插筒靠近其锥形部的一端周向分布开设有多个与肥料腔连通的肥料出口；The inner cavity of the top-dressing inserting cylinder is a fertilizer cavity, the inner pipe and the fertilizer cavity are communicated and arranged, and one end of the top-dressing inserting cylinder close to its conical portion is circumferentially distributed with a plurality of fertilizer outlets communicating with the fertilizer cavity; 所述肥料腔内配合滑动设有一个能够对肥料出口进行封堵的封堵活塞，所述封堵活塞靠近追肥插筒锥形部的一侧安装固定有第二弹簧，第二弹簧的另一端与肥料腔腔壁固定连接，第二弹簧远离追肥插筒锥形部的一侧安装有一根按压杆，按压杆的另一端从内管的端部伸出，且所述按压杆的另一端安装固定有按压环；A plugging piston capable of plugging the fertilizer outlet is arranged in the fertilizer cavity in cooperation with sliding, and a second spring is installed and fixed on the side of the plugging piston close to the conical part of the top dressing inserting cylinder, and the other end of the second spring is fixed. It is fixedly connected with the cavity wall of the fertilizer cavity, a pressing rod is installed on the side of the second spring away from the conical part of the top dressing inserting cylinder, the other end of the pressing rod protrudes from the end of the inner tube, and the other end of the pressing rod is installed A pressing ring is fixed; 所述内管远离外筒的一端还可拆卸安装有密封盖，密封盖和按压杆滑动转动连接。The end of the inner tube away from the outer cylinder can also be detachably installed with a sealing cover, and the sealing cover and the pressing rod are slidably and rotatably connected. 5.根据权利要求4所述的烟草种植追肥装置，其特征在于，所述肥料腔的内腔中还设有用于对封堵活塞进行限位的环形斜面，环形斜面为靠近封堵活塞的一端朝向肥料腔的中部倾斜设置，且所述封堵活塞在第二弹簧的弹力作用下与环形斜面抵靠；当封堵活塞与环形斜面抵靠时，封堵活塞能够对肥料出口进行完全封堵。5 . The top dressing device for tobacco planting according to claim 4 , wherein the inner cavity of the fertilizer cavity is also provided with an annular inclined surface for limiting the position of the plugging piston, and the annular inclined surface is an end close to the plugging piston. 6 . It is inclined towards the middle of the fertilizer cavity, and the blocking piston abuts against the annular inclined plane under the elastic force of the second spring; when the blocking piston abuts against the annular inclined plane, the blocking piston can completely block the fertilizer outlet. . 6.根据权利要求5所述的烟草种植追肥装置，其特征在于，所述按压杆和封堵活塞转动连接，按压杆靠近封堵活塞的一端部上还安装有螺旋叶片。6 . The top dressing device for tobacco planting according to claim 5 , wherein the pressing rod is rotatably connected to the blocking piston, and a helical blade is also installed on one end of the pressing rod close to the blocking piston. 7 . 7.根据权利要求2或3所述的烟草种植追肥装置，其特征在于，所述覆土组件包括有连杆、拨土杆和拨土齿；7. The top dressing device for tobacco planting according to claim 2 or 3, wherein the soil covering component comprises a connecting rod, a soil removal rod and a soil removal tooth; 所述外筒靠近追肥插筒的一端周向分布铰接设有多根拨土杆，拨土杆的下侧设有多个拨土齿，拨土杆的上侧远离外筒的一端铰接设有一根连杆，连杆的另一端铰接于内管上。The end of the outer cylinder close to the top dressing insertion cylinder is circumferentially distributed and hinged with a plurality of soil removal rods. The other end of the connecting rod is hinged on the inner tube. 8.根据权利要求7所述的烟草种植追肥装置，其特征在于，当所述追肥插筒进行土壤开槽时，追肥插筒收缩到空腔内，进而通过内管和连杆配合对拨土杆进行拉动远离土壤的表面；8. The top dressing device for tobacco planting according to claim 7 is characterized in that, when the top dressing inserting cylinder carries out soil grooving, the top dressing inserting cylinder shrinks into the cavity, and then cooperates with the inner pipe and the connecting rod to remove soil. The rod is pulled away from the surface of the soil; 当施肥结束后，追肥插筒从土壤槽中抽出，追肥插筒在第一弹簧的弹力作用下恢复原位，进而通过内管和连杆配合推动拨土杆靠近土壤的表面。When the fertilization is finished, the top dressing insert is pulled out from the soil tank, and the top dressing insert returns to its original position under the elastic force of the first spring, and then pushes the soil removal rod close to the surface of the soil through the cooperation of the inner tube and the connecting rod. 9.根据权利要求7所述的烟草种植追肥装置，其特征在于，所述拨土齿为等腰三角形结构，且所述拨土齿的底与拨土杆连接固定。9 . The top dressing device for tobacco planting according to claim 7 , wherein the soil removal teeth are of an isosceles triangle structure, and the bottoms of the soil removal teeth are connected and fixed with the soil removal rod. 10 . 10.根据权利要求7所述的烟草种植追肥装置，其特征在于，所述外筒远离追肥插筒的一端还通过周向分布设置的多根连接板支撑固定有内把持环，内把持环位于多根连杆的外侧，内把持环的外侧还通过周向分布设置的多根连接杆支撑固定有外把持环。10. The top dressing device for tobacco planting according to claim 7, characterized in that, one end of the outer cylinder away from the top dressing insertion cylinder is also supported and fixed with an inner holding ring through a plurality of connecting plates arranged in a circumferential distribution, and the inner holding ring is located in the The outer side of the plurality of connecting rods and the outer side of the inner holding ring are also supported and fixed with an outer holding ring by a plurality of connecting rods distributed in the circumferential direction.
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