CN216437913U - Soil and straw mixing device - Google Patents

Abstract

A soil and straw mixing device, the ditching device of the device drives the chain to rotate through the chain wheels at the two ends of the bracket, the chain pulls the ditching knives to move to open a groove for burying soil on the ground surface, meanwhile, soil taking knives are arranged between the ditching knives, the upper ends of the vertical plates of the soil taking knives are provided with soil taking groove parts, the blade-shaped side plates at the two sides of the soil taking groove parts can not only dig soil and loosen the soil, but also collect the dug soil into the soil taking grooves, the collected soil is taken out upwards and thrown into the soil taking holes along with the rotation of the chain, the soil and straws entering into the auger shell are mixed and conveyed under the action of an auger, and the sealing plate of the sealing plate assembly is used for adjusting the size of the soil inlet so as to adjust the mixing proportion of the soil and the straws; the mixing device integrates ditching and soil taking operations and mixing of soil and straws, has compact structure and strong functionality, and can accelerate the decomposition speed of straw returning to the field and improve the fertility of deep soil.

Description

Soil and straw mixing device

Technical Field

The utility model relates to the technical field of straw returning equipment, in particular to a soil and straw mixing device.

Background

Returning straws to the field is a method for applying straws (corn straws, sorghum straws and the like) which are not suitable for being directly used as feed to soil directly or after being stacked and decomposed, so that the straw returning not only avoids air pollution caused by straw burning, but also can increase soil organic matters, improve soil structure, loosen soil, increase porosity, reduce capacity and promote microbial activity and crop root system development.

The existing straw returning machine mainly comprises the steps that straws are smashed and then thrown to the surface of a cultivated land, the straws thrown to the ground cannot be fully contacted and mixed with soil, and decomposition is difficult. In addition, after the straw distributed on the soil surface is thoroughly decomposed, organic matters mainly exist on the soil surface, and the action on the content of the organic matters in deep soil is not obvious. Therefore, the existing straw returning machine needs to be improved, and an integrated device with functions of ditching and deep burying and mixing soil and straws in a certain proportion is designed to accelerate the decomposition speed of the straws.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a soil and straw mixing device.

The technical scheme of the utility model is as follows: the utility model provides a soil and straw mixing arrangement, includes ditching device and auger casing, ditching device includes the chain of being connected between the drive sprocket and the driven sprocket, drive sprocket and the driven sprocket at sprocket support both ends through the shaft rotation, characterized by:

the middle of the upper side part of the front end of the auger shell is provided with a soil inlet, the lower parts of the two sides of the soil inlet are symmetrically provided with two supporting plates, the upper end part of the ditching device is connected between the two supporting plates, the upper end of the ditching device corresponds to the soil inlet below the ditching device, the ditching device is provided with a protective shell covering the upper half part of the ditching device, and the protective shell is fixedly connected with the chain wheel support through a cross rod;

the outer side of the outer link joint in both sides is salient respectively at the round pin axle both ends of chain among the ditching device, fixedly connected with blade holder between the bulge of two round pin axle outer ends on the inner link joint, equal alternative fixedly connected with ditching sword and the platelike sword of borrowing of L shape on the blade holder of chain both sides, it sets up with outer link joint parallel arrangement to borrow native sword, horizontal board and blade holder fixed connection of the sword lower part of borrowing, the outer link joint of chain is outwards stretched out perpendicularly to the vertical board of sword of borrowing, the inboard of vertical board outer end is equipped with the groove portion of borrowing, the square bottom plate and the vertical board of this groove portion of borrowing set up perpendicularly, the length direction symmetry of vertical board is followed to the both sides of bottom plate is equipped with two cutting edge form curb plates, the lateral surface of cutting edge form curb plate and the lateral surface parallel and level of bottom plate, be equipped with contained angle alpha between medial surface and the bottom plate, the scope of this contained angle is 120 ≤ alpha ≤ 135.

Preferably, advance the soil mouth on be equipped with the seal plate subassembly, this subassembly is including articulating at the first electric putter of advancing soil mouth one side, articulating the closing plate in the first outer end of electric putter, the both sides of advancing soil mouth are equipped with the spout along length direction, closing plate sliding connection between two spouts and the size of sealing plate matches with the size of advancing soil mouth.

Preferably, the ditching device pass through the shaft and articulate between two backup pads, the inboard of a backup pad is equipped with the bedplate, articulated on this bedplate have electric putter second, electric putter second's flexible end articulates the middle part at sprocket support.

Preferably, the ditching sword include integrated into one piece's link plate portion and arc curved sword portion, link plate portion and blade holder fixed connection, the outer link joint of chain is outwards stretched out in arc curved sword portion, the ditching sword of chain both sides sets up in opposite directions.

Preferably, the ditching knives on two sides of the chain are arranged in a staggered mode, and the soil taking knives on two sides are arranged in a staggered mode.

Preferably, the soil sampling knives are arranged two by two adjacent to each other to form a soil sampling knife group, and the soil sampling knife group and the ditching knives are alternately and fixedly connected on the knife holder.

Preferably, the knife blocks on two sides of the chain are provided with the ditching knife and the soil sampling knife at intervals, and the utility model has the beneficial technical effects that: a soil and straw mixing device, the ditching device of the device drives the chain to rotate through the chain wheels at the two ends of the bracket, the chain pulls the ditching knives to move to open a groove for burying soil on the ground surface, meanwhile, soil taking knives are arranged between the ditching knives, the upper ends of the vertical plates of the soil taking knives are provided with soil taking groove parts, the blade-shaped side plates at the two sides of the soil taking groove parts can not only dig soil and loosen the soil, but also collect the dug soil into the soil taking grooves, the collected soil is taken out upwards and thrown into the soil taking holes along with the rotation of the chain, the soil and straws entering into the auger shell are mixed and conveyed under the action of an auger, and the sealing plate of the sealing plate assembly is used for adjusting the size of the soil inlet so as to adjust the mixing proportion of the soil and the straws; the mixing device integrates ditching and soil taking operation and mixing of soil and straws, has compact structure and strong functionality, can accelerate the decomposition speed of straw returning and improve the fertility of deep soil.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a second schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of the auger housing and seal plate assembly of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic cross-sectional view of the trenching assembly and auger housing of the present invention;

FIG. 6 is a schematic perspective view of the ditching device;

FIG. 7 is a front view of the ditching device;

FIG. 8 is a schematic perspective view of a section of chain of the ditching device;

FIG. 9 is a perspective view of the soil sampling blade;

FIG. 10 is a schematic top view of the structure of FIG. 9;

fig. 11 is a perspective view of the trenching knife.

In the drawing, 1, a ditching device, 11, a chain wheel bracket, 111, a driving chain wheel, 112, a driven chain wheel, 12, a chain, 121, a pin shaft, 122, an outer chain plate, 123, an inner chain plate, 13, a tool apron, 131, a circular hole A, 132, a circular hole B, 14, a soil taking knife, 141, a transverse plate, 1411, a circular hole C, 142, a vertical plate, 143, a soil taking groove part, 144, a bottom plate, 145, a knife edge-shaped side plate, 15, a ditching knife, 151, an arc-shaped knife bending part, 152, a connecting plate part, 1521, a circular hole T, 16, a protective shell, 161, a cross rod, 3, a packing auger shell, 31, a soil inlet, 32, a supporting plate, 33, a sealing plate component, 331, an electric push rod A, 332, a sealing plate, 333, a chute, 34, a base plate, 341 and an electric push rod B.

Detailed Description

In the first embodiment, referring to the attached figures 1-11 of the specification, the soil and straw mixing device comprises a ditching device and a packing auger shell, wherein the ditching device comprises a driving chain wheel and a driven chain wheel which are rotatably connected to two ends of a chain wheel bracket through a wheel shaft, and a chain connected between the driving chain wheel and the driven chain wheel.

The middle of the upper side part of the front end of the auger shell is provided with a soil inlet, the lower parts of the two sides of the soil inlet are symmetrically provided with two supporting plates, the upper end part of the ditching device is connected between the two supporting plates, the upper end of the ditching device corresponds to the soil inlet below the ditching device, soil is sent into the auger shell from the soil inlet in the ditching process of ditching device, the ditching device is provided with a protective shell covering the upper half part of the ditching device, the protective shell is used for preventing the soil from being thrown away, and the protective shell is fixedly connected with the sprocket support through a cross rod;

the two ends of a pin shaft of a chain in the ditching device respectively protrude out of the outer side faces of outer chain plates at two sides, a tool apron is fixedly connected between the protruding parts of the outer ends of the two pin shafts on an inner chain plate, ditching tools and L-shaped plate-shaped soil-taking tools are fixedly connected on the tool aprons at two sides of the chain in an alternating mode, the tool apron can be arranged to promote the ditching tools, the connection strength between the soil-taking tools and the chain is not easy to loosen and fall off, the stability and the safety of ditching operation are improved, the soil-taking tools and the outer chain plates are arranged in parallel, a transverse plate at the lower part of the soil-taking tools is fixedly connected with the tool apron, a vertical plate of the soil-taking tools extends outwards and vertically out of the outer chain plate, a soil-taking groove part is arranged at the inner side of the outer end of the vertical plate, a square bottom plate and the vertical plate of the soil-taking groove part are vertically arranged, two blade-shaped side plates are symmetrically arranged along the length direction of the vertical plate, the two blade-shaped side plates can play a soil digging effect, and the outer side faces of the blade-shaped side plates are flush with the outer side faces of the bottom plate, be equipped with contained angle alpha between medial surface and the bottom plate, the scope of this contained angle is that alpha is not less than 120 degrees is not less than 135 degrees, and this contained angle will be got soil groove and form the trapezoidal open mouth form of cross-section, can not only dig the soil and loosen the soil, still be convenient for gather soil in getting soil groove.

Advance the soil mouth on be equipped with the sealed plate subassembly, this subassembly is including articulating the electric putter first of advancing soil mouth one side, articulate the closing plate in electric putter first outer end, the both sides of advancing soil mouth are equipped with the spout along length direction, closing plate sliding connection is between two spouts and the size of sealing plate matches with the size of advancing soil mouth, electric putter first drive closing plate slides between two spouts, adjusts the opening size of advancing soil mouth, and then the entering volume of adjustment soil, the mixed proportion of control soil and straw.

Ditching device pass through the shaft and articulate between two backup pads, the inboard of a backup pad is equipped with the bedplate, articulated on this bedplate have electric putter second, the flexible end of electric putter second articulates at the middle part of sprocket support, drives ditching device through electric putter second and goes up and down, is convenient for control out the degree of depth of slot.

The ditching sword include integrated into one piece's link plate portion and arc curved sword portion, link plate portion and blade holder fixed connection, the outer link joint of chain is outwards stretched out in arc curved sword portion, the ditching sword of chain both sides sets up in opposite directions.

The ditching cutters on the two sides of the chain are arranged in a staggered mode, the soil taking cutters on the two sides are arranged in a staggered mode, soil is not prone to being blocked between the ditching cutters on the two sides in the staggered mode, and ditching efficiency is high and ditching effect is good.

The soil sampling knives are arranged two by two adjacent to form a soil sampling knife set, the soil sampling knife set and the ditching knives are alternately and fixedly connected onto the knife holder, more soil sampling knives are arranged on the chain, so that the soil sampling amount can be increased, and the soil sampling efficiency is improved.

The tool apron is in a square plate shape, round holes A and a pin shaft are arranged at two ends of the lower portion of the tool apron and are in interference fit with each other, two round holes B are arranged at two ends of the upper portion of the tool apron, round holes C corresponding to the round holes B are arranged at two ends of the transverse plate, and round holes D corresponding to the round holes B are arranged at two ends of the connecting plate portion; the ditching cutters and the soil taking cutters are arranged on the cutter seats on the two sides of the chain at intervals, and the mounting quantity of the ditching cutters and the soil taking cutters is selected according to conditions such as hardness, humidity and the like of soil, so that the optimal ditching and soil taking effect is achieved.

The working process of the utility model is as follows:

when ditching and soil taking operation is carried out, the electric push rod B drives the ditching device to be placed on the ground surface, the power device drives the chain to rotate through the driving sprocket, the chain pulls the ditching cutters to move to form grooves for burying soil on the ground surface, meanwhile, soil taking cutters are arranged between the ditching cutters, the upper ends of vertical plates of the soil taking cutters are provided with soil taking groove parts, the blade-shaped side plates on two sides of each soil taking groove part can dig soil and loosen the soil to assist the ditching cutters in ditching operation, the dug soil can be collected into the soil taking grooves, and the collected soil is upwards taken out and is sent into the auger housing through the soil taking openings along with the rotation of the chain, so that a mixed conveying room of straws and the soil in the auger housing is realized; the ditching device can not only dig the ditch groove at the earth's surface and bury the straw deeply, can also mix straw and soil of certain proportion for decay speed in the soil of straw has improved deep soil's organic matter content.

Claims (7)

1. The utility model provides a soil and straw mixing arrangement, includes ditching device and auger casing, ditching device includes the chain of being connected between the drive sprocket and the driven sprocket, drive sprocket and the driven sprocket at sprocket support both ends through the shaft rotation, characterized by:

the middle of the upper side part of the front end of the auger shell is provided with a soil inlet, the lower parts of the two sides of the soil inlet are symmetrically provided with two supporting plates, the upper end part of the ditching device is connected between the two supporting plates, the upper end of the ditching device corresponds to the soil inlet below the ditching device, the ditching device is provided with a protective shell covering the upper half part of the ditching device, and the protective shell is fixedly connected with the chain wheel support through a cross rod;

the outer side of the outer link joint in both sides is salient respectively at the round pin axle both ends of chain among the ditching device, fixedly connected with blade holder between the bulge of two round pin axle outer ends on the inner link joint, equal alternative fixedly connected with ditching sword and the platelike sword of borrowing of L shape on the blade holder of chain both sides, it sets up with outer link joint parallel arrangement to borrow native sword, horizontal board and blade holder fixed connection of the sword lower part of borrowing, the outer link joint of chain is outwards stretched out perpendicularly to the vertical board of sword of borrowing, the inboard of vertical board outer end is equipped with the groove portion of borrowing, the square bottom plate and the vertical board of this groove portion of borrowing set up perpendicularly, the length direction symmetry of vertical board is followed to the both sides of bottom plate is equipped with two cutting edge form curb plates, the lateral surface of cutting edge form curb plate and the lateral surface parallel and level of bottom plate, be equipped with contained angle alpha between medial surface and the bottom plate, the scope of this contained angle is 120 ≤ alpha ≤ 135.

2. The soil and straw mixing device of claim 1, wherein: advance the soil mouth on be equipped with the sealing plate subassembly, this subassembly is including articulating at the first electric putter of advancing soil mouth one side, articulating at the closing plate of the first outer end of electric putter, the both sides of advancing soil mouth are equipped with the spout along length direction, closing plate sliding connection between two spouts and the size of sealing plate and the size matching of advancing soil mouth.

3. The soil and straw mixing device of claim 1, wherein: the ditching device pass through the shaft and articulate between two backup pads, the inboard of a backup pad is equipped with the bedplate, articulated on this bedplate have electric putter second, electric putter second's flexible end articulates the middle part at the sprocket support.

4. The soil and straw mixing device of claim 1, wherein: the ditching sword include integrated into one piece's link plate portion and arc curved sword portion, link plate portion and blade holder fixed connection, the outer link joint of chain is outwards stretched out in arc curved sword portion, the ditching sword of chain both sides sets up in opposite directions.

5. The soil and straw mixing device of claim 1, wherein: the ditching cutters at two sides of the chain are arranged in a staggered mode, and the soil taking cutters at two sides are arranged in a staggered mode.

6. The soil and straw mixing device of claim 5, wherein: the soil sampling knives are arranged two by two adjacent to form a soil sampling knife group, and the soil sampling knife group and the ditching knives are alternately and fixedly connected on the knife holder.

7. The soil and straw mixing device of claim 6, wherein: and the tool holders on the two sides of the chain are provided with a ditching tool and a soil sampling tool at intervals.

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