CN113439517B - Tobacco planting topdressing device - Google Patents

Abstract

The present invention is applicable to the field of tobacco planting, and provides a topdressing device for tobacco planting, which includes an outer cylinder and an inner tube, the inner tube is slidably mounted on one end of the outer tube, and the inner tube is used to store fertilizer; Topdressing insert, the topdressing insert is slidably installed on the other end of the outer cylinder, the inner pipe and the topdressing insert are connected and fixed, and the inner tube and the topdressing insert are arranged in communication, and the topdressing insert is used for tobacco Grooving the soil for topdressing and applying fertilizer to the groove; a fertilization control assembly, the fertilization control assembly is installed on the inner side of the inner pipe and the topdressing insert, and the fertilization control assembly is used to control the topdressing insert to apply fertilizer to the groove; A soil-covering assembly, the soil-covering assembly is installed on the outer cylinder, and the soil-covering assembly is arranged in cooperation with the topdressing insert, and the soil-covering assembly is used for covering the groove after applying fertilizer. The invention is convenient for fixed-point topdressing operation, and the soil covering after topdressing is convenient, and the efficiency of tobacco topdressing is improved.

Description

A kind of topdressing device for tobacco planting

technical field

The invention belongs to the field of tobacco planting, in particular to a topdressing device for tobacco planting.

Background technique

Tobacco is the raw material of the tobacco industry. Tobacco processing generally includes steps such as drying tobacco, sun-dried tobacco, flue-cured tobacco, and dark open flame flue-cured tobacco. Tobacco dust removal devices are indispensable in these processing steps.

When planting tobacco, it is necessary to carry out irregular topdressing to meet the growth demand of tobacco, but the existing tobacco topdressing device is not convenient for fixed-point topdressing operation, and it is inconvenient to cover soil after topdressing, which affects the efficiency of tobacco topdressing.

Therefore, for the above present situation, there is an urgent need to develop a tobacco planting topdressing device to overcome the deficiencies in current practical applications.

Contents of the invention

The purpose of the embodiments of the present invention is to provide a tobacco planting topdressing device, which aims to solve the problems that the existing tobacco topdressing device is not convenient for fixed-point topdressing operation, and the soil covering after topdressing is inconvenient, which affects the efficiency of tobacco topdressing.

The embodiment of the present invention is achieved in this way, a tobacco planting topdressing device, including an outer cylinder, and also includes: an inner tube, the inner tube is slidably mounted on one end of the outer cylinder, and the inner tube is used to store fertilizer; topdressing Inserting sleeve, the topdressing inserting sleeve is slidably installed on the other end of the outer cylinder, the inner pipe and the topdressing inserting sleeve are connected and fixed, and the inner pipe and the topdressing inserting sleeve are arranged in communication, and the topdressing inserting sleeve is used for tobacco topdressing Grooving of the soil and applying fertilizer to the groove; the fertilization control assembly, the fertilization control assembly is installed on the inner side of the inner pipe and the topdressing insert, and the fertilization control assembly is used to control the topdressing insert to apply fertilizer to the groove; soil covering The soil-covering component is installed on the outer cylinder, and the soil-covering component is arranged in cooperation with the topdressing insert, and the soil-covering component is used to cover the groove after applying fertilizer.

In a further technical solution, the inner side of the outer cylinder is provided with a cavity with an open end, and the topdressing insertion sleeve is slidably arranged in the cavity, and the end of the topdressing insertion sleeve close to the inner tube is also fixed with a first spring, and the first spring sleeve Set on the inner tube, the other end of the first spring is fixed at the inner end of the cavity; the end of the outer cylinder far away from the fertilization insert is also provided with a sliding hole communicating with the cavity, and the inner tube and the sliding hole cooperate Swipe to connect.

In a further technical solution, the end of the fertilization insert away from the inner tube has a tapered structure.

In a further technical solution, the fertilization control assembly includes a pressing ring, a pressing rod, a sealing cover, a plugging piston and a second spring, the inner cavity of the topdressing insertion sleeve is a fertilizer cavity, and the inner tube and the fertilizer cavity are connected to each other. A plurality of fertilizer outlets communicating with the fertilizer chamber are distributed circumferentially at one end of the inserting sleeve near its tapered portion, and a plugging piston capable of blocking the fertilizer outlet is provided for sliding in the fertilizer chamber. A second spring is installed and fixed on the side of the piston close to the conical part of the topdressing insert, and the other end of the second spring is fixedly connected to the wall of the fertilizer cavity. A pressing rod is installed on the side of the second spring away from the conical part of the topdressing insert. , the other end of the pressing rod protrudes from the end of the inner tube, and the other end of the pressing rod is fixed with a pressing ring, and the end of the inner tube far away from the outer cylinder can also be detachably installed with a sealing cover, the sealing cover and the pressing Rod slide-turn connection.

In a further technical solution, the inner cavity of the fertilizer chamber is also provided with an annular slope for limiting the position of the plugging piston. The ring-shaped slope is inclined toward the middle of the fertilizer chamber at an end close to the plugging piston, and the plugging The piston abuts against the annular slope under the elastic force of the second spring, and when the plugging piston abuts against the annular slope, the plugging piston can completely block the fertilizer outlet.

In a further technical solution, the pressing rod is rotatably connected to the blocking piston, and a helical blade is installed on the end of the pressing rod close to the blocking piston.

In a further technical solution, the soil-covering assembly includes a connecting rod, a soil-removing rod and a soil-removing tooth, and a plurality of soil-removing rods are hinged in a circumferential distribution at one end of the outer cylinder close to the topdressing insert, and the lower side of the soil-removing rod A plurality of earth-moving teeth are arranged, and a connecting rod is hinged on the upper side of the earth-moving rod far away from the outer cylinder, and the other end of the connecting rod is hinged on the inner pipe.

In a further technical solution, when the topdressing insert is grooved in the soil, the topdressing insert shrinks into the cavity, and then the soil shifting rod is pulled away from the surface of the soil through the cooperation of the inner tube and the connecting rod; when the fertilization is finished, The topdressing insert is drawn out from the soil tank, and the topdressing insert returns to its original position under the elastic force of the first spring, and then the soil poking lever is pushed close to the surface of the soil through the cooperation of the inner tube and the connecting rod.

In a further technical solution, the earth-moving tooth has an isosceles triangle structure, and the bottom of the earth-moving tooth is connected and fixed to the earth-moving rod.

In a further technical solution, the end of the outer cylinder far away from the topdressing insert is also supported and fixed with an inner holding ring by a plurality of connecting plates distributed in the circumferential direction, the inner holding ring is located on the outer side of the plurality of connecting rods, and the outer side of the inner holding ring is also The outer holding ring is supported and fixed by a plurality of connecting rods distributed in the circumferential direction.

The tobacco planting topdressing device provided by the embodiment of the present invention is set by the matching structure of the inner tube, the outer cylinder and the topdressing insert, which facilitates the soil slotting at the position where the tobacco needs to be topdressed through the topdressing insert, and it is beneficial after slotting. The fertilization control component controls the fertilization insert to apply fertilizer to the slot; after the fertilization is completed, because the cover soil component and the top dressing insert are set together, the cover soil component can cover the slot after the fertilizer is applied, which is convenient and quick to operate, and improves the efficiency of tobacco top dressing .

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the tobacco planting topdressing device provided by the embodiment of the present invention;

Fig. 2 is a top view structural schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of the bottom structure of Fig. 2;

Fig. 4 is a schematic cross-sectional structural view of the outer tube part in the tobacco planting topdressing device provided by the embodiment of the present invention;

Fig. 5 is a schematic cross-sectional structural view of the lower part of the topdressing insert in the tobacco planting topdressing device provided by the embodiment of the present 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 cylinder, 11-soil shifting rod, 12-soil shifting tooth, 13-fertilizer outlet, 14-top dressing insert, 15-cavity, 16-first spring, 17-sliding hole, 18-fertilizer cavity, 19 - spiral blade, 20 - annular slope, 21 - blocking piston, 22 - second spring.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The specific implementation of the present invention will be described in detail below in conjunction with specific embodiments.

As shown in Figures 1-3, a tobacco planting topdressing device provided for one embodiment of the present invention includes an outer cylinder 10, and also includes:

An inner tube 4, the inner tube 4 is slidably mounted on one end of the outer cylinder 10, and the inner tube 4 is used to store fertilizer;

Topdressing insert 14, said topdressing insert 14 is slidably installed on the other end of outer tube 10, inner tube 4 and topdressing insert 14 are connected and fixed, and said inner tube 4 and topdressing insert 14 are arranged in communication, said The topdressing insert 14 is used for slotting the soil of tobacco topdressing and applying fertilizer in the groove;

Fertilization control assembly, the fertilization control assembly is installed on the inner side of the inner pipe 4 and the topdressing insert 14, and the fertilization control assembly is used to control the topdressing insert 14 to apply fertilizer to the groove;

A soil-covering assembly, the soil-covering assembly is installed on the outer cylinder 10, and the soil-covering assembly is arranged in cooperation with the topdressing insert 14, and the soil-covering assembly is used for covering the groove after applying fertilizer.

In the embodiment of the present invention, through the arrangement of the matching structure of the inner tube 4, the outer cylinder 10 and the topdressing insert 14, it is convenient to use the topdressing insert 14 to carry out soil slotting at the position where the tobacco needs topdressing, and it is beneficial to pass the fertilization after slotting. The control component controls the topdressing insert 14 to apply fertilizer to the groove; after the fertilization is completed, the soil covering component and the topdressing insert 14 are set together, and the soil covering component can cover the groove after the fertilizer is applied, which is convenient and quick to operate and improves the efficiency of tobacco topdressing .

As shown in Figures 1 and 4-5, as a preferred embodiment of the present invention, the inner side of the outer cylinder 10 is provided with a cavity 15 with an open end, and the topdressing insert 14 is arranged in the cavity 15 in cooperation with sliding, and the topdressing One end of the insertion sleeve 14 close to the inner tube 4 is also fixed with a first spring 16 , the first spring 16 is sheathed 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 of the topdressing insert 14 away from the inner tube 4 has a tapered structure, which facilitates the insertion of the topdressing insert 14 into the soil.

The end of the outer tube 10 away from the topdressing insert 14 is also provided with a sliding hole 17 communicating with the cavity 15, the inner tube 4 and the sliding hole 17 are slidably connected, and through the fixing of the inner tube 4 and the topdressing insert 14, Useful for linkage.

The fertilization control assembly includes a pressing ring 1, a pressing rod 2, a sealing cover 3, a plugging piston 21 and a second spring 22, and the inner cavity of the fertilization insertion sleeve 14 is a fertilizer cavity 18, and the inner tube 4 and the fertilizer cavity 18 The topdressing insert 14 is provided with a plurality of fertilizer outlets 13 in communication with the fertilizer chamber 18 in a circumferential distribution near one end of its tapered portion. The fertilizer chamber 18 is fitted with a sliding valve that can block the fertilizer outlet 13. The plugging piston 21, the second spring 22 is installed and fixed on one side of the plugging piston 21 close to the conical part of the fertilization insertion sleeve 14, and the other end of the second spring 22 is fixedly connected with the fertilizer chamber 18 cavity wall, and the second spring 22 A pressing rod 2 is installed on the side away from the conical part of the topdressing insert 14, the other end of the pressing rod 2 protrudes from the end of the inner tube 4, and the other end of the pressing rod 2 is fixed with a pressing ring 1 The end of the inner tube 4 far away from the outer cylinder 10 can also be detachably installed with a sealing cover 3, and the sealing cover 3 is connected to the pressing rod 2 in a sliding and rotating manner.

Further, the inner cavity of the fertilizer chamber 18 is also provided with an annular inclined surface 20 for limiting the blocking piston 21. The annular inclined surface 20 is inclined toward the middle of the fertilizer chamber 18 at an end close to the blocking piston 21, and The blocking piston 21 abuts against the annular slope 20 under the elastic force of the second spring 22 , and when the blocking piston 21 abuts against the annular slope 20 , the blocking piston 21 can completely block the fertilizer outlet 13 . During application, when soil slotting is carried out by the fertilization insert 14, the plugging piston 21 blocks the fertilizer outlet 13, and now the fertilizer will not fall out, and the soil will not enter the fertilizer chamber 18; when fertilizing, Press the pressing rod 2 by operating the pressing ring 1, and then press the plugging piston 21 through the pressing rod 2, so that the plugging piston 21 does not block the fertilizer outlet 13, and the fertilizer can be discharged into the soil groove through the fertilizer outlet 13 .

In order to improve the efficiency of fertilizer discharge, the pressing rod 2 is rotatably connected to the plugging piston 21, and the end of the pressing rod 2 close to the plugging piston 21 is also equipped with a helical blade 19, so that when fertilization is required, by operating the pressing ring 1 Rotating the pressing rod 2 can drive the fertilizer cavity 18 to rotate, which is beneficial to squeeze and discharge the fertilizer through the fertilizer outlet 13 and improve the efficiency of fertilization.

It should be noted that: under normal circumstances, the elastic force of the second spring 22 is much greater than the sum of the pressure of the fertilizer in the fertilizer chamber 18 on the plugging piston 21 and the gravity of the plugging piston 21, so as to improve the reliability of the work, that is, only by applying an external force At this time, the plugging piston 21 will separate from the annular inclined surface 20.

As shown in Figure 1, as a preferred embodiment of the present invention, the described soil covering assembly includes a connecting rod 5, a soil shifting rod 11 and a soil shifting tooth 12, and the outer cylinder 10 is close to one end of the fertilization insertion sleeve 14 in the circumferential direction. A plurality of earth-moving rods 11 are distributed and hinged, and a plurality of earth-moving teeth 12 are arranged on the lower side of the earth-moving rod 11, and a connecting rod 5 is hinged on the upper side of the soil-moving rod 11 away from the outer cylinder 10. The other end of 5 is hinged on the inner tube 4. When the topdressing insert 14 is grooved in the soil, the topdressing insert 14 shrinks into the cavity 15, and then the inner tube 4 and the connecting rod 5 cooperate to match the soil lever 11. Pulling away from the surface of the soil is convenient for slotting; when the fertilization is finished, the topdressing insert 14 is drawn out from the soil groove, and the topdressing insert 14 returns to its original position under the elastic force of the first spring 16, and then passes through the inner tube 4 and The connecting rod 5 cooperates to push the earth-moving lever 11 close to the surface of the soil, and then the device is rotated, which is beneficial to carry out the covering operation of the soil groove by the soil-moving lever 11 and the soil-moving tooth 12.

Further, the soil shifting tooth 12 is an isosceles triangle structure, and the bottom of the soil shifting tooth 12 is connected and fixed to the soil shifting rod 11 .

As shown in Figure 1, as a preferred embodiment of the present invention, the end of the outer cylinder 10 away from the fertilization insert 14 is also supported and fixed with an inner holding ring 8 by a plurality of connecting plates 9 distributed in the circumferential direction, and the inner holding ring 8 is fixed to the inner holding ring 8. The ring 8 is located on the outer side of the plurality of connecting rods 5 , and the outer side of the inner holding ring 8 is also supported and fixed with the outer holding ring 6 by a plurality of connecting rods 7 distributed in the circumferential direction.

In the embodiment of the present invention, through the structural arrangement of the outer holding ring 6, the connecting rod 7, the inner holding ring 8 and the connecting plate 9, the control operation of the device is convenient, stable and reliable, and easy to operate.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (7)

1. A tobacco planting topdressing device, comprising an outer cylinder, is characterized in that it also includes: an inner tube, the inner tube is slidably mounted on one end of the outer cylinder, and the inner tube is used to store fertilizer; Topdressing insert, the topdressing insert is slidably installed on the other end of the outer cylinder, the inner pipe and the topdressing insert are connected and fixed, and the inner tube and the topdressing insert are arranged in communication, and the topdressing insert is used for tobacco Grooving of soil for topdressing and application of fertilizers into the grooves; A fertilization control assembly, the fertilization control assembly is installed on the inner side of the inner pipe and the topdressing insert, and the fertilization control assembly is used to control the topdressing insert to apply fertilizer to the groove; A soil-covering component, the soil-covering component is installed on the outer cylinder, and the soil-covering component is arranged in cooperation with the topdressing insert, and the soil-covering component is used to cover the groove after the fertilizer is applied; The inner side of the outer cylinder is provided with a cavity with an open end, and the topdressing insertion sleeve is slidably arranged in the cavity, and the end of the topdressing insertion sleeve close to the inner tube is also fixed with a first spring, and the first spring is sleeved on the inner tube , the other end of the first spring is fixed to the inner end of the cavity; The end of the outer cylinder far away from the fertilization insert is also provided with a sliding hole communicating with the cavity, and the inner tube and the sliding hole are slidably connected; The earth-covering assembly includes a connecting rod, a soil-moving lever and a soil-moving tooth; One end of the outer cylinder close to the fertilization insert is circumferentially distributed and hinged with a plurality of earth-moving levers, the lower side of the soil-moving lever is provided with a plurality of soil-moving teeth, and the upper side of the soil-moving lever away from the outer cylinder is hingedly provided with a A connecting rod, the other end of which is hinged on the inner tube; When the topdressing insert is slotted into the soil, the topdressing insert shrinks into the cavity, and then the soil pulling rod is pulled away from the surface of the soil through the cooperation of the inner tube and the connecting rod; After the fertilization is finished, the topdressing insert is drawn out from the soil groove, and the topdressing insert returns to its original position under the elastic force of the first spring, and then the soil poking lever is pushed close to the surface of the soil through the cooperation of the inner tube and the connecting rod. 2 . The tobacco planting topdressing device according to claim 1 , characterized in that, the end of the topdressing insert away from the inner tube has a tapered structure. 3 . 3. The tobacco planting topdressing device according to claim 1, wherein the fertilization control assembly includes a pressing ring, a pressing rod, a sealing cover, a plugging piston and a second spring; The inner cavity of the topdressing insert is a fertilizer cavity, and the inner pipe is connected to the fertilizer cavity, and one end of the topdressing insert close to its tapered portion is circumferentially distributed with a plurality of fertilizer outlets communicating with the fertilizer cavity; A plugging piston capable of blocking the fertilizer outlet is arranged in cooperation and sliding in the fertilizer cavity. A second spring is fixed on the side of the plugging piston close to the tapered portion of the topdressing insert, and the other end of the second spring It is fixedly connected to the wall of the fertilizer cavity, and a pressing rod is installed on the side of the second spring far away from the tapered part of the topdressing insert, and 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 fixed with a pressing ring; The end of the inner tube far 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 rotationally connected. 4. The tobacco planting topdressing device according to claim 3, characterized in that, the inner cavity of the fertilizer chamber is also provided with an annular slope for limiting the plugging piston, and the annular slope is near the end of the plugging piston It is arranged obliquely toward the middle of the fertilizer chamber, and the plugging piston abuts against the annular slope under the elastic force of the second spring; when the plugging piston abuts against the annular slope, the plugging piston can completely block the fertilizer outlet . 5 . The tobacco planting topdressing device according to claim 4 , wherein the pressing rod is connected to the sealing piston in rotation, and a helical blade is installed on the end of the pressing rod close to the sealing piston. 6 . 6 . The topdressing device for tobacco planting according to claim 1 , characterized in that, the earth-moving tooth has an isosceles triangle structure, and the bottom of the soil-moving tooth is connected and fixed to the soil-moving rod. 7 . 7. The tobacco planting topdressing device according to claim 1, characterized in that, the end of the outer cylinder away from the topdressing insert is also supported and fixed with an inner holding ring by a plurality of connecting plates arranged in circumferential distribution, and the inner holding ring is located at The outer side of the plurality of connecting rods and the outer side of the inner holding ring are also supported and fixed with the outer holding ring by a plurality of connecting rods distributed in the circumferential direction.

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