CN108184345B - Farmland soil broken stone pick-up crushing returning device - Google Patents

Farmland soil broken stone pick-up crushing returning device Download PDF

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Publication number
CN108184345B
CN108184345B CN201810062065.7A CN201810062065A CN108184345B CN 108184345 B CN108184345 B CN 108184345B CN 201810062065 A CN201810062065 A CN 201810062065A CN 108184345 B CN108184345 B CN 108184345B
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China
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soil
crushing
breaking
baffle
stage
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CN108184345A (en
Inventor
徐丽明
袁全春
马帅
于畅畅
段壮壮
邢洁洁
陈晨
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China Agricultural University
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China Agricultural University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B43/00Gatherers for removing stones, undesirable roots or the like from the soil, e.g. tractor-drawn rakes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/005Transportable screening plants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/10Screens in the form of endless moving bands
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Food Science & Technology (AREA)
  • Soil Working Implements (AREA)

Abstract

The invention relates to the technical field of agricultural machinery, in particular to a farmland soil broken stone picking, crushing and returning device which comprises a soil entering part, a soil screening part and a crushing and returning part, wherein the soil entering part comprises a soil entering shovel, the soil screening part comprises a soil screening driving roller, a soil screening driven roller and a soil screening grid, and the crushing and returning part comprises a soil crushing roller, a soil crushing roller fixing plate and a primary/secondary soil crushing baffle. The depth of the front depth limiting wheel set is adjusted to adjust the depth of the soil entering the soil shovel; the soil inlet shovel and the soil screening grid are provided with intervals, so that fine soil particles can be conveniently screened out; the grating bars are used for conveying the stone blocks to a crushing and returning part; the gap between the first-stage/second-stage soil crushing baffle and the soil crushing roller is adjustable; the soil crushing roller and the soil crushing roller fixing plate are respectively and alternately provided with a soil crushing moving knife and a soil crushing fixing knife, the soil crushing moving knife and the soil crushing fixing knife are alternately distributed, the soil crushing roller fixing plate is provided with grid gaps, broken sand and stones leak to the ground through the grid gaps, and the leaked stones are continuously crushed in the inner cavity of the crushing returning part until the broken sand and stones leak to the ground completely.

Description

Farmland soil broken stone pick-up crushing returning device
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a farmland soil broken stone picking, crushing and returning device.
Background
In the farmland soil improvement process, most of the soil in Gobi desert or front of mountain and hills contains a certain amount of gravels (stones) with different sizes, and the gravels seriously affect the operation of agricultural machinery (rotary cultivator, subsoiler, fertilizer applicator and the like), while sandy soil is beneficial to the loosening and up-down ventilation of the soil. Therefore, it is necessary to pick up, crush and return crushed stone in the crop cultivation layer.
In the existing agricultural machinery production practice, only a stone picking machine is used for picking up large stones on the earth surface, and the stones are removed from the ground. After the stone is crushed and returned to the field, the soil is loosened, and the growth of crops (such as grape, potato, peanut, sweet potato and the like) is facilitated. Therefore, the invention designs a farmland soil broken stone picking, crushing and returning device which is used for picking, crushing and returning stones of a crop cultivation layer (5-15 cm) to the field, and can finish the operation once, thereby ensuring the sandy soil quality of the soil.
By searching the domestic and foreign patent documents, journals and other publicly published documents (such as the Internet), the invention is not reported at home and abroad, and the articles related to the content of the invention are not published at home and abroad, and the invention is unknown to the public at home and abroad.
Disclosure of Invention
Aiming at the problems existing in the prior production practice, the invention aims to provide a farmland soil broken stone picking, crushing and returning device which is used for solving the technical problems of excavating plough layer soil, separating the soil from stones, crushing the stones, adjusting the size of the crushed stones and returning the crushed sand and stones to the farmland.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a farmland soil rubble is picked up and is smashed still field device, includes: the machine frame part, the soil entering part, the soil screening part, the crushing and returning part and four depth-limiting wheel sets 23;
the frame portion includes: the device comprises a frame 1, a three-point suspension 2, a gearbox 3 and a reinforcing pull rod 4;
the number of the three-point suspensions 2 is 3, the 2 three-point suspensions 2 at the lower end are respectively fixed in front of the frame 1, the three-point suspension 2 at the upper end is fixedly connected with the upper ends of the 2 reinforcing pull rods 4, and the lower ends of the 2 reinforcing pull rods 4 are respectively and fixedly connected with the rear part of the frame 1 close to the left end and the right end; the gearbox 3 is fixed above the front part of the frame 1;
the soil-entering portion includes: an insertion shovel 5 and an insertion shovel fixing plate 6; the middle of the soil-entering shovel 5 is provided with a plurality of intervals; the upper part of the soil-entering shovel 5 is fixed below the frame 1 through a soil-entering shovel fixing plate 6;
the soil screening portion includes: a soil screening chain wheel chain power group 7, a soil screening driving roller 8, a soil screening driven roller 9, a soil screening grid 10 and a soil screening fixing plate 11;
the number of the soil sieving fixing plates 11 is 2, the soil sieving fixing plates are fixed below the middle part of the frame 1, and two ends of the soil sieving driving roller 8 and the soil sieving driven roller 9 are respectively fixed on the soil sieving fixing plates 11 through bearings; the left output shaft of the gearbox 3 transmits power to a soil screening driving roller 8 through a soil screening chain wheel and chain power group 7, the soil screening driving roller 8 drives a soil screening driven roller 9 to rotate through a soil screening grid 10, and the soil screening grid 10 is provided with gaps;
the crushing and returning part comprises: a soil crushing belt group 12, a soil crushing roller 13, a soil crushing movable cutter 14, a soil crushing fixed cutter 15 and a soil crushing roller fixing plate 16;
the soil breaking roller fixing plate 16 is fixed at the rear part of the frame 1, a plurality of rows of soil breaking fixing cutters 15 are arranged on the soil breaking roller fixing plate 16 in a staggered mode, each row of soil breaking fixing cutters 15 comprises a plurality of soil breaking fixing cutters 15, and each row of soil breaking fixing cutters 15 is arranged in a lower semicircular mode; the right output shaft of the gearbox 3 is connected with a soil crushing roller 13 through a soil crushing belt group 12, a plurality of rows of soil crushing moving blades 14 are staggered on the periphery of the soil crushing roller 13, each row of soil crushing moving blades 14 comprises a plurality of soil crushing moving blades 14, and the soil crushing moving blades 14 and the soil crushing fixed blades 15 are staggered;
four depth limiting wheel sets 23 are fixed in the four corners below of frame 1 respectively for support farmland soil rubble picks up smash still field device, through the degree of depth of two depth limiting wheel sets 23 of adjusting frame 1 front end, adjust the depth of going into soil of going into shovel 5.
On the basis of the technical scheme, a grid reinforcing plate 24 perpendicular to the soil entering shovel 5 is fixedly arranged at the position, close to the bottom, of the soil entering shovel 5 and is used for reinforcing the strength of the soil entering shovel 5.
On the basis of the technical scheme, the crushing and returning part further comprises: the device comprises a soil breaking upper cover plate 17, a plurality of first-stage soil breaking baffles 18, a plurality of first-stage soil breaking baffle adjusting shafts 19, a plurality of second-stage soil breaking baffles 20 and a plurality of second-stage soil breaking baffle adjusting shafts 21;
the soil breaking upper cover plate 17 is fixed at the rear part of the frame 1, and forms a closed inner cavity with a front inlet together with the soil breaking roller fixing plate 16; one end of each of the first-stage soil breaking baffles 18 is fixed to a plurality of first-stage soil breaking plate fixing points 28 on the soil breaking upper cover plate 17, the middle parts of the first-stage soil breaking baffles 18 are fixedly connected with one end of each of the first-stage soil breaking baffle adjusting shafts 19, the other end of each of the first-stage soil breaking baffle adjusting shafts 19 penetrates through the soil breaking upper cover plate 17 and is fixed to the soil breaking upper cover plate 17, and the first-stage soil breaking baffles 18 are respectively rotated around the first-stage soil breaking plate fixing points 28 by adjusting the first-stage soil breaking baffle adjusting shafts 19 so as to adjust gaps between the first-stage soil breaking baffles 18 and the soil breaking movable cutters 14 on the soil breaking rollers 13;
the second-stage soil breaking baffle 20 is located the lower rear of one-stage soil breaking baffle 18, and the one end of a plurality of second-stage soil breaking baffles 20 is fixed in respectively a plurality of second-stage soil breaking plate fixed points 26 on the soil breaking upper cover plate 17, the middle part of a plurality of second-stage soil breaking baffles 20 respectively with the one end fixed connection of a plurality of second-stage soil breaking baffle regulating spindle 21, the other end of second-stage soil breaking baffle regulating spindle 21 passes soil breaking upper cover plate 17, and fixes on soil breaking upper cover plate 17, makes a plurality of second-stage soil breaking baffles 20 rotate around a plurality of second-stage soil breaking plate fixed points 26 respectively through adjusting a plurality of second-stage soil breaking baffle regulating spindle 21 to adjust the clearance between second-stage soil breaking baffles 20 and the soil breaking movable knife 14 on the soil breaking roller 13.
On the basis of the technical scheme, a grid gap 27 is arranged between each two soil breaking fixed knives 15 and is used for leaking the broken stone blocks of the soil breaking movable knives 14 and the soil breaking fixed knives 15 to the bottom surface.
On the basis of the technical scheme, the width of the grid gaps 27 is determined according to farmland soil requirements.
On the basis of the above technical solution, the width of the grid gap 27 is 1-3mm.
On the basis of the technical scheme, the inner sides of the first-stage soil breaking baffle 18 and the second-stage soil breaking baffle 20 are provided with saw teeth 25 which are distributed in a trapezoid manner.
On the basis of the technical scheme, a soil retaining rubber plate 22 is arranged behind the inner cavity formed by the broken soil upper cover plate 17 and the broken soil roller fixing plate 16 and used for retaining broken small sand and avoiding flying soil dust.
On the basis of the technical scheme, the farmland soil broken stone picking, crushing and returning device is connected with a tractor through a three-point suspension 2.
On the basis of the technical scheme, the gearbox 3 is in power connection with the PTO of the tractor through a coupler.
The invention has the following advantages:
1. according to the soil screening part disclosed by the invention, power is transmitted to the soil screening driving roller 8 through the left side (based on the advancing direction) output shaft of the gearbox 3 and the soil screening chain wheel and chain power group 7, the soil screening driving roller 8 drives the soil screening driven roller 9 to rotate through the soil screening grid 10, two ends of the soil screening driving roller 8 and the soil screening driven roller 9 are respectively fixed on the soil screening fixing plate 11 through bearings, and the soil screening fixing plate 11 is fixed on the frame 1, so that the power transmission of soil screening is realized.
2. According to the crushing and returning part, power is connected with a soil crushing roller 13 through a soil crushing belt group 12 by an output shaft on the right side (based on the advancing direction) of a gearbox 3, a plurality of rows of soil crushing moving blades 14 are staggered on the periphery of the soil crushing roller 13, each row of soil crushing moving blades 14 comprises a plurality of soil crushing moving blades 14, a plurality of rows of soil crushing fixed blades 15 are staggered on a soil crushing roller fixed plate 16, each row of soil crushing fixed blades 15 comprises a plurality of soil crushing fixed blades 15, and each row of soil crushing fixed blades 15 are arranged in a lower semicircular shape; the soil breaking moving cutters 14 and the soil breaking fixed cutters 15 are arranged in a staggered mode and are used for breaking stone blocks. A grid gap 27 (the width of the grid gap 27 is generally 1-3 mm) is arranged between the soil breaking fixed cutters 15, broken sand and stones can leak to the ground through the grid gap 27, the leaked stones are continuously smashed and collide between the soil breaking movable cutters 14 and the soil breaking fixed cutters 15 until the broken sand and stones leak to the ground, and the sand and stones are smashed and returned to the field.
3. According to the invention, the two soil breaking roller fixing plates 16 are fixed at the rear part of the frame 1, the soil breaking upper cover plate 17 is fixed above the rear part of the frame 1, a closed inner cavity with 1 small inlet is formed with the soil breaking roller fixing plates 16, one ends of the first-stage soil breaking baffles 18 are respectively fixed at a plurality of first-stage soil breaking plate fixing points 28 on the soil breaking upper cover plate 17, the middle parts of the first-stage soil breaking baffles 18 are respectively fixedly connected with one ends of a plurality of first-stage soil breaking baffle adjusting shafts 19, the other ends of the first-stage soil breaking baffle adjusting shafts 19 penetrate through the soil breaking upper cover plate 17 and are fixed on the soil breaking upper cover plate 17, and the first-stage soil breaking baffles 18 are respectively rotated around the first-stage soil breaking plate fixing points 28 by adjusting the first-stage soil breaking baffle adjusting shafts 19 so as to realize adjustment of gaps between the first-stage soil breaking baffles 18 and the soil breaking moving blades 14 on the soil breaking rollers 13, thereby meeting the size requirements before and after breaking the soil stones.
4. The secondary soil breaking baffle 20 and the secondary soil breaking baffle adjusting shaft 21 are also fixed on the soil breaking upper cover plate 17 according to the same principle as the primary soil breaking baffle 18 and the primary soil breaking baffle adjusting shaft 19; the inner sides of the first-stage soil breaking baffle 18 and the second-stage soil breaking baffle 20 are provided with saw teeth 25 which are distributed in a trapezoid manner, so that stone blocks can be broken at multiple points.
5. The soil retaining rubber plate 22 is arranged behind the inner cavity formed by the broken soil upper cover plate 17 and the broken soil roller fixing plate 16, so that broken small sand can fall into the ground conveniently, and soil dust is prevented from flying.
6. The 4 depth-limiting wheel sets 23 are respectively fixed below four corners of the frame 1, are distributed at 2 front ends and 2 rear ends, are convenient for balancing the gravity center of the machine, and the front 2 depth-limiting wheel sets 23 can adjust the soil penetration depth of the soil penetration shovel 5.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic diagram of the whole machine structure in front view;
FIG. 2 is a schematic top view of the whole machine;
FIG. 3 is a schematic front view of a soil breaking roller portion structure;
FIG. 4 is a schematic top view of a portion of the soil breaking roller structure;
FIG. 5 is a schematic sectional view of the fixed position structure of the soil breaking moving blade and the soil breaking stationary blade.
Reference numerals: 1. the three-point suspension type soil-shifting machine comprises a frame 2, a three-point suspension 3, a gearbox 4, a reinforcing pull rod 5, a soil-entering shovel 6, a soil-entering shovel fixing plate 7, a soil screening chain power group 8, a soil screening driving roller 9, a soil screening driven roller 10, a soil screening grid 11, a soil screening fixing plate 12, soil crushing rollers Pi Daizu, soil crushing rollers 14, soil crushing moving cutters 15, soil crushing fixing cutters 16, soil crushing roller fixing plates 17, a soil crushing upper cover plate 18, a first-stage soil crushing baffle plate 19, a first-stage soil crushing baffle plate adjusting shaft 20, a second-stage soil crushing baffle plate 21, a second-stage soil crushing baffle plate adjusting shaft 22, a soil retaining rubber plate 23, a depth limiting wheel group 24, a reinforcing plate 25, saw teeth 26, a second-stage soil crushing plate fixing point 27, a grid gap 28 and a first-stage soil crushing plate fixing point
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
The invention is based on the following idea: (1) The farmland soil broken stone picking, crushing and returning device adjusts the heights of 2 depth-limiting wheel groups 23 in front of the farmland soil broken stone picking, crushing and returning device according to the condition of the soil broken stone, and then adjusts the soil penetration depth of the soil penetration shovel 5; according to the size of the stone blocks of the soil before crushing and the requirements after crushing, gaps among the first-stage soil crushing baffle 18, the second-stage soil crushing baffle 20 and the crushing moving knife (soil crushing moving knife) 14 are respectively adjusted by respectively adjusting the first-stage soil crushing baffle adjusting shaft 19 and the second-stage soil crushing baffle adjusting shaft 21; (2) The tractor is connected with the device through a three-point suspension 2, the power of the tractor PTO is connected with a gearbox 3 through a coupling, and then a soil screening part and a crushing and returning part are respectively started through a soil screening chain wheel and chain power group 7 and a soil crushing belt group 12; (3) The tractor runs, the soil entering shovel 5 with a gap enters the soil, the soil (the soil with the diameter larger than the gap of the soil entering shovel 5) of a plough layer is pushed to a soil screening part, the soil with stones is conveyed backwards by the soil screening part and moves, the stones larger than the gaps of the soil screening grid 10 are pushed by the soil screening grid 10 to move backwards continuously; soil smaller than the gaps of the grating 10 falls back to the ground through the gaps of the grating 10; (4) The screened stone falls into the inner cavity of the crushing and returning part, and under the striking interaction of the first-stage soil crushing baffle 18, the second-stage soil crushing baffle 20, the crushing movable knife 14 and the crushing fixed knife 15, the crushed small sand and stone falls into the ground through the grid gaps 27 between the crushing fixed knives 15; the leaked stone blocks continue to strike each other in the crushing inner cavity between the crushing movable knife 14 and the crushing fixed knife 15 until the crushing is leaked to the ground.
As shown in fig. 1 and 2, a farmland soil crushed stone picking up, crushing and returning device mainly comprises: the device comprises a frame part, a soil entering part, a soil screening part and a crushing and returning part;
the frame portion includes: the device comprises a frame 1, a three-point suspension 2, a gearbox 3 and a reinforcing pull rod 4;
the soil-entering portion includes: a shovel 5, a shovel fixing plate 6 and a grid reinforcing plate 24;
the soil screening portion includes: a soil screening chain wheel chain power group 7, a soil screening driving roller 8, a soil screening driven roller 9, a soil screening grid 10 and a soil screening fixing plate 11;
the crushing and returning part comprises: the soil crushing belt group 12, the soil crushing roller 13, the soil crushing movable cutter 14, the soil crushing fixed cutter 15, the soil crushing roller fixing plate 16, the soil crushing upper cover plate 17, a plurality of first-stage soil crushing baffles 18, a plurality of first-stage soil crushing baffle adjusting shafts 19, a plurality of second-stage soil crushing baffles 20 and a plurality of second-stage soil crushing baffle adjusting shafts 21;
the reinforcing pull rod 4 is connected with the three-point suspension 2, the whole farmland soil broken stone picking, crushing and returning device is fixed, and the three-point suspension 2 and the gearbox 3 are fixed on the frame 1;
the middle of the soil-entering shovel 5 is provided with a plurality of intervals, so that the soil-entering shovel is convenient for not only entering soil, but also screening out part of fine soil (fine soil particles), and a grid reinforcing plate 24 is fixed near the bottom of the soil-entering shovel 5 and used for reinforcing the strength of the soil-entering shovel 5, and the soil-entering shovel 5 is fixed on the frame 1 by a soil-entering shovel fixing plate 6;
as shown in fig. 1 and fig. 2, an output shaft on the left side (based on the forward direction) of the gearbox 3 transmits power to a soil screening driving roller 8 through a soil screening sprocket chain power set 7, the soil screening driving roller 8 drives a soil screening driven roller 9 to rotate through a soil screening grid 10, two ends of the soil screening driving roller 8 and the soil screening driven roller 9 are respectively fixed on a soil screening fixing plate 11 through bearings, and the soil screening fixing plate 11 is fixed on the frame 1.
As shown in fig. 1-5, the output shaft on the right side (based on the advancing direction) of the gearbox 3 is connected with the soil crushing roller 13 through the soil crushing belt group 12, a plurality of soil crushing moving blades 14 are staggered around the soil crushing roller 13, a plurality of soil crushing fixed blades 15 are staggered on the soil crushing roller fixing plate 16, the soil crushing moving blades 14 and the soil crushing fixed blades 15 are staggered for crushing stone, a grid gap 27 (the width of the grid gap 27 is usually 1-3mm according to the requirements of farmland soil) is arranged between the soil crushing fixed blades 15, the crushed stone can leak onto the ground through the grid gap 27, and the missed stone is continuously crushed and collided between the soil crushing moving blades 14 and the soil crushing fixed blades 15 until the crushed stone leaks onto the ground;
the soil breaking roller fixing plate 16 is fixed at the rear part of the frame 1, the soil breaking upper cover plate 17 is fixed at the rear part of the frame 1, a unilateral closed inner cavity is formed with the soil breaking roller fixing plate 16, a plurality of soil breaking plate fixing points 28 on the soil breaking upper cover plate 17 are respectively fixed with one ends of a plurality of first-stage soil breaking baffles 18, the middle parts of the plurality of first-stage soil breaking baffles 18 are respectively connected with one ends of a plurality of first-stage soil breaking baffle adjusting shafts 19, the other ends of the first-stage soil breaking baffle adjusting shafts 19 penetrate through the soil breaking upper cover plate 17 and are fixed on the soil breaking upper cover plate 17, the plurality of first-stage soil breaking baffles 18 are respectively rotated around a plurality of first-stage soil breaking plate fixing points 28 by adjusting the plurality of first-stage soil breaking baffle adjusting shafts 19, and then gaps between the first-stage soil breaking baffles 18 and soil breaking movable cutters 14 on the soil breaking rollers 13 are respectively adjusted;
the secondary soil breaking baffle 20 and the secondary soil breaking baffle adjusting shaft 21 are also fixed on the soil breaking upper cover plate 17 according to the same principle as the primary soil breaking baffle 18 and the primary soil breaking baffle adjusting shaft 19;
the inner sides of the first-stage soil breaking baffle 18 and the second-stage soil breaking baffle 20 are provided with saw teeth 25 which are distributed in a trapezoid manner, so that stone blocks can be broken in multiple points.
The soil retaining rubber plate 22 is arranged behind the inner cavity formed by the broken soil upper cover plate 17 and the broken soil roller fixing plate 16, so that broken small sandy soil falls into the ground, and dust is prevented from flying.
The 4 depth limiting wheel sets 23 are respectively fixed below four corners of the frame 1, are distributed at 2 front ends and 2 rear ends, are convenient for supporting farmland soil broken stone pickup, crushing and returning devices, and the front 2 depth limiting wheel sets 23 can adjust the soil penetration depth of the soil penetration shovel 5.
The invention generally works as follows: according to the state of the broken stone of the soil, the front 2 depth limiting wheel sets 23 are adjusted, and then the soil penetration depth of the soil penetration shovel 5 is adjusted; according to the stone size of the soil and the crushed requirements, the gaps between the primary crushing baffle 18, the secondary crushing baffle 20 and the crushing movable knife 14 are respectively adjusted by respectively adjusting the primary crushing baffle adjusting shaft 19 and the secondary crushing baffle adjusting shaft 21; the tractor is connected with the device through a three-point suspension 2, the power of the PTO of the tractor is connected with a gearbox 3 through a coupling, and a soil screening part and a crushing and returning part are respectively started through a soil screening chain wheel and chain power group 7 and a soil crushing belt group 12; the tractor runs, the soil-entering shovel 5 enters the soil, the soil-entering shovel 5 with a gap pushes the soil (the diameter of the soil is larger than the gap of the soil-entering shovel 5) of the plough layer to the soil screening part, the soil screening part conveys the soil with stones backwards and moves the soil with stones larger than the stones of the soil screening grid 10, and the stones continue to move backwards under the pushing of the soil screening grid 10; soil smaller than the grating bars 10 falls back to the ground through gaps between the grating bars 10; the screened stone falls into the inner cavity of the crushing and returning part, and under the striking interaction of the first-stage soil crushing baffle 18, the second-stage soil crushing baffle 20, the crushing movable knife 14 and the crushing fixed knife 15, the crushed small sand and stone falls into the ground through the grid gaps 27 between the crushing fixed knives 15; the leaked stone blocks continue to strike each other in the crushing inner cavity between the crushing movable knife 14 and the crushing fixed knife 15 until the crushing is leaked to the ground.
The above embodiments are only for illustrating the present invention, not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions are also within the scope of the present invention, which is defined by the claims.
What is not described in detail in this specification is prior art known to those skilled in the art.

Claims (8)

1. The utility model provides a farmland soil rubble picks up smashes still field device, its characterized in that: comprises a frame part, a soil entering part, a soil screening part, a crushing and returning part and four depth-limiting wheel sets (23);
the frame portion includes: the device comprises a frame (1), a three-point suspension (2), a gearbox (3) and a reinforcing pull rod (4);
the three-point suspension (2) is 3, the 2 three-point suspensions (2) at the lower end are respectively fixed in front of the frame (1), the three-point suspension (2) at the upper end is fixedly connected with the upper ends of the 2 reinforcing pull rods (4), and the lower ends of the 2 reinforcing pull rods (4) are respectively and fixedly connected with the rear part of the frame (1) close to the left end and the right end; the gearbox (3) is fixed above the front part of the frame (1);
the soil-entering portion includes: a shovel (5) and a shovel fixing plate (6); the middle of the soil-entering shovel (5) is provided with a plurality of intervals; the upper part of the soil entering shovel (5) is fixed below the frame (1) through a soil entering shovel fixing plate (6);
the soil screening portion includes: a soil screening chain wheel chain power group (7), a soil screening driving roller (8), a soil screening driven roller (9), a soil screening grid (10) and a soil screening fixing plate (11);
the number of the soil sieving fixing plates (11) is 2, the soil sieving fixing plates are fixed below the middle part of the frame (1), and two ends of the soil sieving driving roller (8) and the soil sieving driven roller (9) are respectively fixed on the soil sieving fixing plates (11) through bearings; the left output shaft of the gearbox (3) transmits power to a soil screening driving roller (8) through a soil screening chain wheel and chain power set (7), the soil screening driving roller (8) drives a soil screening driven roller (9) to rotate through a soil screening grid (10), and the soil screening grid (10) is provided with a gap;
the crushing and returning part comprises: the soil crushing machine comprises a soil crushing Pi Daizu (12), a soil crushing roller (13), a soil crushing moving knife (14), a soil crushing fixed knife (15) and a soil crushing roller fixing plate (16);
the soil breaking roller fixing plate (16) is fixed at the rear part of the frame (1), a plurality of rows of soil breaking fixed knives (15) are arranged on the soil breaking roller fixing plate (16) in a staggered mode, each row of soil breaking fixed knives (15) comprises a plurality of soil breaking fixed knives (15), and each row of soil breaking fixed knives (15) is arranged in a lower semicircular mode; the right output shaft of the gearbox (3) is connected with a soil crushing roller (13) through soil crushing Pi Daizu (12), a plurality of rows of soil crushing moving blades (14) are arranged on the periphery of the soil crushing roller (13) in a staggered mode, each row of soil crushing moving blades (14) comprises a plurality of soil crushing moving blades (14), and the soil crushing moving blades (14) and the soil crushing fixed blades (15) are arranged in a staggered mode;
the four depth-limiting wheel sets (23) are respectively fixed below four corners of the frame (1) and used for supporting a farmland soil broken stone picking, crushing and returning device, and the depth of the soil entering shovel (5) is adjusted by adjusting the depth of the two depth-limiting wheel sets (23) at the front end of the frame (1);
a grid reinforcing plate (24) perpendicular to the soil entering shovel (5) is fixedly arranged at the position, close to the bottom, of the soil entering shovel (5);
the crushing and returning part further comprises: the device comprises a soil breaking upper cover plate (17), a plurality of first-stage soil breaking baffles (18), a plurality of first-stage soil breaking baffle adjusting shafts (19), a plurality of second-stage soil breaking baffles (20) and a plurality of second-stage soil breaking baffle adjusting shafts (21);
the soil breaking upper cover plate (17) is fixed at the rear part of the frame (1), and a closed inner cavity with a front inlet is formed with the soil breaking roller fixing plate (16); one end of each of the first-stage soil breaking baffles (18) is respectively fixed on a plurality of first-stage soil breaking plate fixing points (28) on the soil breaking upper cover plate (17), the middle parts of the first-stage soil breaking baffles (18) are respectively fixedly connected with one end of each of the first-stage soil breaking baffle adjusting shafts (19), the other ends of the first-stage soil breaking baffle adjusting shafts (19) penetrate through the soil breaking upper cover plate (17) and are fixed on the soil breaking upper cover plate (17), and the first-stage soil breaking baffles (18) are respectively rotated around the plurality of first-stage soil breaking plate fixing points (28) by adjusting the plurality of first-stage soil breaking baffle adjusting shafts (19) so as to adjust gaps between the first-stage soil breaking baffles (18) and soil breaking movable cutters (14) on the soil breaking rollers (13);
the utility model discloses a soil crushing device, including a soil crushing roller (13), a soil crushing baffle (20), a soil crushing baffle (18), a soil crushing baffle (20), a plurality of second grade soil crushing baffle (20) and a soil crushing baffle adjusting shaft (14), wherein the second grade soil crushing baffle (20) is located the lower rear of one-level soil crushing baffle (18), and the one end of a plurality of second grade soil crushing baffle (20) is fixed in respectively on soil crushing upper cover plate (17) a plurality of second grade soil crushing plate fixed points (26), the middle part of a plurality of second grade soil crushing baffle (20) respectively with the one end fixed connection of a plurality of second grade soil crushing baffle adjusting shaft (21), the other end of second grade soil crushing baffle adjusting shaft (21) passes soil crushing upper cover plate (17), and fixes on soil crushing upper cover plate (17), through the regulation a plurality of second grade soil crushing baffle (20) make a plurality of second grade soil crushing baffle (20) rotate around a plurality of second grade soil crushing plate fixed points (26) respectively to adjust the clearance between soil crushing roller (14).
2. The farmland soil rubble pick-up, crushing and returning device of claim 1, wherein: a grid gap (27) is arranged between each two soil breaking fixed knives (15).
3. The farmland soil rubble pick-up, crushing and returning device of claim 2, wherein: the width of the grid gap (27) is determined according to farmland soil requirements.
4. A farmland soil rubble pick-up and crush return to field device according to claim 3, characterized in that: the width of the grid gap (27) is 1-3mm.
5. The farmland soil rubble pick-up, crushing and returning device of claim 1, wherein: the inner sides of the first-stage soil breaking baffle (18) and the second-stage soil breaking baffle (20) are provided with saw teeth (25) which are distributed in a trapezoid manner.
6. The farmland soil rubble pick-up, crushing and returning device of claim 1, wherein: and a soil retaining rubber plate (22) is arranged behind the inner cavity formed by the soil breaking upper cover plate (17) and the soil breaking roller fixing plate (16).
7. The farmland soil rubble pick-up, crushing and returning device of claim 1, wherein: the farmland soil broken stone picking, crushing and returning device is connected with a tractor through a three-point suspension (2).
8. The farmland soil rubble pick-up, crushing and returning device of claim 1, wherein: the gearbox (3) is in power connection with the PTO of the tractor through a coupler.
CN201810062065.7A 2018-01-23 2018-01-23 Farmland soil broken stone pick-up crushing returning device Active CN108184345B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11225501A (en) * 1998-02-10 1999-08-24 Tadashi Abe Soil crushing device
CN103797913A (en) * 2014-03-04 2014-05-21 山东理工大学 Device for digging, cleaning and cutting stubbles and returning stubbles to fields
CN204408865U (en) * 2015-01-23 2015-06-24 辽宁省农业机械化研究所 Subsoiling silt combined soil preparing machine
CN204408866U (en) * 2015-01-23 2015-06-24 辽宁省农业机械化研究所 Loose soil revolves soil preparation machine
CN105210571A (en) * 2014-05-28 2016-01-06 东北农业大学 The three-dimensional field-returning machine of a kind of maize straw
CN205670923U (en) * 2016-06-08 2016-11-09 毕树理 A kind of agricultural subsoiling picks up stone rubble chopper
CN207754009U (en) * 2018-01-23 2018-08-24 中国农业大学 A kind of agricultural land soil rubble pickup chopping and returning device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11225501A (en) * 1998-02-10 1999-08-24 Tadashi Abe Soil crushing device
CN103797913A (en) * 2014-03-04 2014-05-21 山东理工大学 Device for digging, cleaning and cutting stubbles and returning stubbles to fields
CN105210571A (en) * 2014-05-28 2016-01-06 东北农业大学 The three-dimensional field-returning machine of a kind of maize straw
CN204408865U (en) * 2015-01-23 2015-06-24 辽宁省农业机械化研究所 Subsoiling silt combined soil preparing machine
CN204408866U (en) * 2015-01-23 2015-06-24 辽宁省农业机械化研究所 Loose soil revolves soil preparation machine
CN205670923U (en) * 2016-06-08 2016-11-09 毕树理 A kind of agricultural subsoiling picks up stone rubble chopper
CN207754009U (en) * 2018-01-23 2018-08-24 中国农业大学 A kind of agricultural land soil rubble pickup chopping and returning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SGTN-180型旋耕埋草施肥联合作业机的设计与试验;李永磊;宋建农;王继承;张军奎;董向前;;中国农业大学学报(第02期);全文 *

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