CN217308277U

CN217308277U - Alfalfa additional fertilizer postposition stubble leveling and soil covering device

Info

Publication number: CN217308277U
Application number: CN202220728661.6U
Authority: CN
Inventors: 徐婧; 高杨; 阎旭东; 刘青松; 高立强
Original assignee: Cangzhou Academy Of Agriculture And Forestry Sciences; Huanghua Fengmaoshengyuan Agricultural Technology Co ltd
Current assignee: Cangzhou Academy Of Agriculture And Forestry Sciences; Huanghua Fengmaoshengyuan Agricultural Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-30
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a rear stubble leveling and earthing device for alfalfa topdressing, which comprises a frame body, wherein the front part of the frame body is provided with a suspension device, the suspension device is connected on a power machine in a three-point suspension manner, and a ditching, fertilizing assembly and a stubble leveling and earthing plate are sequentially arranged below the frame body from front to back; the ditching and fertilizing assembly comprises a fertilizer box, the fertilizer box is arranged above the frame body, the bottom of the fertilizer box is provided with a grooved pulley type fertilizer distributor, a fertilizer outlet at the bottom of the grooved pulley type fertilizer distributor is connected with a ditching shovel through a fertilizer pipe, the ditching shovel is positioned below the frame body, and the top end of the ditching shovel is fixed on the frame body; connecting arms are arranged at two ends of each stubble leveling and soil covering plate, the front ends of the connecting arms are hinged to the frame body, hydraulic cylinders are arranged above the connecting arms, the bodies of the hydraulic cylinders are hinged to the frame body, and the telescopic ends of the hydraulic cylinders are hinged to the connecting arms. The utility model discloses can execute fertilizer and broadcast under the earth's surface, can improve the alfalfa ground to the utilization ratio of fertilizer, avoid the loss of fertilizer.

Description

Alfalfa additional fertilizer postposition stubble leveling and soil covering device

Technical Field

The utility model relates to an alfalfa planting equipment field especially relates to an alfalfa topdressing rearmounted flat stubble earthing device.

Background

Alfalfa is a generic name for plants of the genus Medicago and is commonly used as a forage diet. The alfalfa is generally planted by adopting a method of ground surface fertilization, but the absorption of the fertilizer is seriously influenced for the area with serious soil hardening of the land, so that the fertilizer after fertilization is seriously volatilized, and the fertilizer efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, the utility model aims at providing a collect function in multi-functional supervisor is planted to alfalfa of an organic whole such as loosen the soil, fertilize, the utility model discloses a following technical scheme:

the utility model provides a rear stubble leveling and earthing device for alfalfa topdressing, which comprises a frame body, wherein the front part of the frame body is provided with a suspension device, the suspension device is connected on a power machine in a three-point suspension manner, and a ditching, ditching and fertilizing assembly and a stubble leveling and earthing plate are sequentially arranged below the frame body from front to back;

the ditching and fertilizing assembly comprises a fertilizer box, the fertilizer box is arranged above the frame body, the bottom of the fertilizer box is provided with a grooved pulley type fertilizer distributor, a fertilizer outlet at the bottom of the grooved pulley type fertilizer distributor is connected with a ditching shovel through a fertilizer pipe, the ditching shovel is positioned below the frame body, and the top end of the ditching shovel is fixed on the frame body;

the both ends of stumping earthing plate all are provided with the linking arm, the front end of linking arm with the frame body is articulated, the top of linking arm is provided with the pneumatic cylinder, the body of pneumatic cylinder articulates on the frame body, the flexible end of pneumatic cylinder with the linking arm is articulated.

Furthermore, a depth wheel is arranged in front of the ditching and fertilizing assembly, the depth wheel is rotatably connected to a telescopic arm, the telescopic arm is slidably connected to a guide sliding sleeve, the guide sliding sleeve is fixed to the side portion of the frame body, and a positioning bolt for fixing the telescopic arm is arranged on the side wall of the guide sliding sleeve.

The land wheel is rotationally connected to the connecting arm, and the wheel shaft of the land wheel is in power connection with the grooved wheel shaft of the grooved wheel type fertilizer distributor through a double-chain transmission assembly;

the double-chain transmission assembly comprises a driving end chain wheel, a double-row chain wheel and a driven end chain wheel; the double-row chain wheel is connected to the hinged shaft of the connecting arm in a rotating mode and is in transmission connection with the driving end chain wheel and the driven end chain wheel through a first chain and a second chain respectively.

Further, the top surface of stumping earthing plate articulates there is the connecting rod, the top of connecting rod is provided with the anticreep pin, the cover is equipped with sleeve and spring on the connecting rod, the sleeve is fixed on the linking arm, the upper end of spring is supported on the sleeve, the lower extreme supports on the baffle, the baffle is fixed on the connecting rod.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses can execute fertilizer and broadcast under the earth's surface, can improve the alfalfa ground to the utilization ratio of fertilizer, avoid the loss of fertilizer.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic view of the rear stubble leveling and covering device for alfalfa topdressing of the present invention;

FIG. 2 is a schematic structural view of a depth wheel according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the ditching and fertilizing assembly and the double-chain transmission assembly in the embodiment of the present invention;

fig. 4 is a schematic view of a connecting structure of the stubble ploughing and soil covering plate and the connecting arm in the embodiment of the present invention.

Description of reference numerals: 1. a frame body; 101. a suspension device; 2. a depth wheel; 201. a telescopic arm; 202. A guide sliding sleeve; 203. positioning the bolt; 3. a ditching and fertilizing assembly; 301. fertilizer box; 302. a fertilizer apparatus; 303. a fertilizer discharging pipe; 304. ditching and shoveling; 4. a stubble leveling and soil covering plate; 401. a connecting rod; 402. anti-drop pins; 403. A sleeve; 404. a spring; 405. a baffle plate; 5. a land wheel; 6. a double chain transmission assembly; 601. a drive end sprocket; 602. double-row chain wheels; 603. a driven end sprocket; 604. a first chain; 605. a second chain; 7. a connecting arm; 8. and a hydraulic cylinder.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the embodiment discloses a rear stubble leveling and soil covering device for alfalfa topdressing, which comprises a frame body 1, wherein a suspension device 101 is arranged at the front part of the frame body 1, the suspension device 101 is connected to a power machine in a three-point suspension manner, and a depth limiting wheel 2, a ditching and fertilizing assembly 3 and a stubble covering plate 4 are arranged below the frame body 1. The stubble leveling and covering plate 4 is located behind the frame body 1, connecting arms 7 are arranged at two ends of the stubble leveling and covering plate 4, the front end of each connecting arm 7 is hinged to the frame body 1, a hydraulic cylinder 8 is arranged above each connecting arm 7, a body of each hydraulic cylinder 8 is hinged to the frame body 1, and the telescopic end of each hydraulic cylinder 8 is hinged to each connecting arm 7. The stubble leveling and soil covering plate 4 can compress soil in the moving process and cover the fertilizing ditch to reduce soil moisture leakage.

As shown in figure 2, the depth wheel 2 is the front part of the ditching fertilization component 3, and the depth of ditching fertilization can be adjusted by controlling the height of the depth wheel 2. Specifically, the depth wheel 2 is rotatably connected to the telescopic arm 201, the telescopic arm 201 is slidably connected to the sliding guide sleeve 202, the sliding guide sleeve 202 is fixed to the side of the frame body 1, a positioning bolt 203 for fixing the telescopic arm 201 is arranged on the side wall of the sliding guide sleeve 202, the positioning bolt 203 is in threaded connection with the sliding guide sleeve 202, the threaded end of the positioning bolt abuts against the telescopic arm 201, and a groove matched with the positioning bolt 203 in an embedded mode is formed in the telescopic arm 201.

As shown in fig. 3, the ditching and fertilizing assembly 3 comprises a fertilizer box 301, the fertilizer box 301 is arranged above the frame body 1, a grooved pulley type fertilizer distributor 302 is arranged at the bottom of the fertilizer box 301, a fertilizer outlet at the bottom of the grooved pulley type fertilizer distributor 302 is connected with a ditching shovel 304 through a fertilizer pipe 303, the ditching shovel 304 is positioned below the frame body 1, and the top end of the ditching shovel 304 is fixed on the frame body 1.

It should be noted that the grooved pulley type fertilizer distributor 302 realizes fertilizer distribution through the rotation of the inner grooved pulley, and the specific structure of the grooved pulley type fertilizer distributor 302 is not described herein again.

The rotation of the grooved wheel inside the grooved wheel type fertilizer apparatus 302 is generally driven by a land wheel through a chain, in this embodiment, the land wheel 5 for driving the grooved wheel type fertilizer apparatus 302 to work is installed on the connecting arm 7, specifically, the wheel axle of the land wheel 5 is rotationally connected to the connecting arm 7, and the wheel axle of the land wheel 5 is in power connection with the grooved wheel axle of the grooved wheel type fertilizer apparatus 302 through the double-chain transmission assembly 6.

As shown in fig. 3, the double chain drive assembly 6 includes a drive end sprocket 601, a double row sprocket 602, and a driven end sprocket 603; the driving end chain wheel 601 is fixed on a wheel shaft of the land wheel 5, the driven end chain wheel 603 is fixed on a grooved wheel shaft of the grooved wheel type fertilizer distributor 302, the duplex chain wheel 602 is rotatably connected on a hinge shaft of the connecting arm 7, and the duplex chain wheel 602 is respectively in transmission connection with the driving end chain wheel 601 and the driven end chain wheel 603 through a first chain 604 and a second chain 605.

Because the land wheel 5 is installed on the connecting arm 7, when the hydraulic cylinder 8 drives the connecting arm 7 to act, the land wheel 5 and the stubble soil covering plate 4 are driven to act together, and in order to realize that the stubble soil covering plate 4 has a certain buffering downward force on the alfalfa ground, as shown in fig. 4, in the embodiment, the top surface of the stubble soil covering plate 4 is hinged with a connecting rod 401, the top of the connecting rod 401 is provided with an anti-falling pin 402, the connecting rod 401 is sleeved with a sleeve 403 and a spring 404, the sleeve 403 is fixed on the connecting arm 7, the upper end of the spring 404 is abutted against the sleeve 403, the lower end of the spring 404 is abutted against a baffle 405, and the baffle 405 is fixed on the connecting rod 401.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an alfalfa topdressing rearmounted flat stubble earthing device which characterized in that includes:

the device comprises a frame body (1), wherein a suspension device (101) is arranged at the front part of the frame body (1), the suspension device (101) is connected to a power machine in a three-point suspension manner, and a ditching and fertilizing assembly (3) and a stubble ploughing and earthing plate (4) are sequentially arranged below the frame body (1) from front to back;

the ditching and fertilizing assembly (3) comprises a fertilizer box (301), the fertilizer box (301) is arranged above the frame body (1), a grooved wheel type fertilizer distributor (302) is arranged at the bottom of the fertilizer box (301), a fertilizer outlet at the bottom of the grooved wheel type fertilizer distributor (302) is connected with a ditching shovel (304) through a fertilizer distributing pipe (303), the ditching shovel (304) is positioned below the frame body (1), and the top end of the ditching shovel (304) is fixed on the frame body (1);

the both ends of stumping earthing plate (4) all are provided with linking arm (7), the front end of linking arm (7) with the frame body (1) is articulated, the top of linking arm (7) is provided with pneumatic cylinder (8), the body of pneumatic cylinder (8) articulates on frame body (1), the flexible end of pneumatic cylinder (8) with linking arm (7) are articulated.

2. The device for applying additional alfalfa fertilizer and then leveling stubble and covering soil as claimed in claim 1, wherein: the utility model discloses a ditching fertilization subassembly, including frame body (1), the place ahead of ditching fertilization subassembly (3) is provided with gauge wheel (2), gauge wheel (2) rotate to be connected on flexible arm (201), flexible arm (201) sliding connection is in guide sliding sleeve (202), guide sliding sleeve (202) are fixed on the lateral part of frame body (1), be provided with on the lateral wall of guide sliding sleeve (202) and be used for fixing positioning bolt (203) of flexible arm (201).

3. The device of claim 1, wherein the device comprises: the land wheel (5) is rotationally connected to the connecting arm (7), and the wheel shaft of the land wheel (5) is in power connection with the grooved wheel shaft of the grooved wheel type fertilizer distributor (302) through a double-chain transmission assembly (6);

the double-chain transmission assembly (6) comprises a driving end chain wheel (601), a double-row chain wheel (602) and a driven end chain wheel (603); the double-row fertilizer distributor is characterized in that the driving end chain wheel (601) is fixed on a wheel shaft of the land wheel (5), the driven end chain wheel (603) is fixed on a grooved wheel shaft of the grooved wheel type fertilizer distributor (302), the double-row chain wheel (602) is rotatably connected on a hinged shaft of the connecting arm (7), and the double-row chain wheel (602) is in transmission connection with the driving end chain wheel (601) and the driven end chain wheel (603) through a first chain (604) and a second chain (605).

4. The device of claim 3, wherein the device comprises: the top surface of stumping earthing plate (4) articulates there is connecting rod (401), the top of connecting rod (401) is provided with anticreep pin (402), the cover is equipped with sleeve (403) and spring (404) on connecting rod (401), sleeve (403) are fixed on linking arm (7), the upper end of spring (404) is supported on sleeve (403), and the lower extreme supports on baffle (405), baffle (405) are fixed on connecting rod (401).