CN110800622A - Outer dung scraping device based on lower edge of transverse fence and operation method thereof - Google Patents
Outer dung scraping device based on lower edge of transverse fence and operation method thereof Download PDFInfo
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- CN110800622A CN110800622A CN201910674296.8A CN201910674296A CN110800622A CN 110800622 A CN110800622 A CN 110800622A CN 201910674296 A CN201910674296 A CN 201910674296A CN 110800622 A CN110800622 A CN 110800622A
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- scraping
- dung
- dung scraping
- excrement
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- 238000007790 scraping Methods 0.000 title claims abstract description 226
- 210000003608 fece Anatomy 0.000 title claims abstract description 201
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 4
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 244000144972 livestock Species 0.000 abstract description 3
- 244000144977 poultry Species 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 2
- 241000282887 Suidae Species 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 239000010871 livestock manure Substances 0.000 description 6
- 210000002700 urine Anatomy 0.000 description 4
- 210000000003 hoof Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/01—Removal of dung or urine, e.g. from stables
- A01K1/0132—Removal of dung or urine, e.g. from stables by means of scrapers or the like moving to-and-fro or step-by-step
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
An outer dung scraping device based on the lower edge of a transverse fence and an operation method thereof relate to the technical field of dung cleaning for livestock and poultry breeding. The invention aims to solve the problems of high labor intensity, low working efficiency, serious waste of water for flushing excrement, high sewage treatment capacity, environmental pollution and poor environment for raising pigs by mechanically scraping excrement. The invention comprises a transverse fence, a dung scraping ditch, a baffle plate, a bidirectional dung scraping assembly, a connecting rope, a traction rope, a corner wheel and a dung collecting groove; the invention also discloses an operation method of the outer dung scraping device based on the lower edge of the transverse fence, and the operation method is used for cleaning dung of livestock and poultry breeding.
Description
Technical Field
The invention relates to the technical field of livestock and poultry excrement removal, in particular to an outer excrement scraping device based on the lower edge of a transverse fence and an operation method thereof.
Background
At present, in China, the method of removing excrement from the colony house by pig breeding generally adopts the following methods: firstly, excrement is moved out of a house by a person by using a transport tool, secondly, the excrement is flushed out of the house by using a large amount of water, thirdly, the excrement is scraped out of the house by using an excrement scraper under an excrement leaking plate, the first method has the problems of high labor intensity and low working efficiency, the second method has the problems of high water consumption, high sewage treatment capacity or environmental pollution, and the third method has the problems of large excrement pit, large excrement pollution area, high harmful gas volatilization and poor pig raising environment; in order to solve the problems generated by the method, the invention further provides an outer dung scraping device based on the lower edge of the transverse fence and an operation method thereof.
Disclosure of Invention
The invention aims to solve the problems of high labor intensity, low working efficiency, serious waste of water-washed excrement water, large sewage treatment capacity, environmental pollution and poor outward excrement pig-raising environment of a dung scraping machine under a dung leaking plate.
The technical scheme of the invention is as follows: an outer dung scraping device based on the lower edge of a transverse fence comprises the transverse fence, a dung scraping groove, a baffle plate, a bidirectional dung scraping assembly, a connecting rope, a traction device, a corner wheel, a dung collecting groove, a power transmission device and a longitudinal fence; the transverse fence is arranged between the rings of the whole row of rings, the longitudinal fence is divided into a plurality of equal sections to form a plurality of pigsty with equal sizes, the dung scraping ditch is arranged below the ground below the lower edge of each transverse fence, the two ends of the dung scraping ditch are communicated with the dung collecting groove outside the pigsty, the baffle plate is hoisted at the position, larger than the diameter of the pig trotters, below the lower edge of each transverse fence, of the position, the two-way dung scraping component can be dragged and installed at the bottom of the middle position of each dung scraping ditch, the two ends of the connecting rope are connected with the traction rings at one end of the two-way dung scraping components at the middle position of the dung scraping ditch after being positioned through the corners of the two corner wheels, the two ends of the traction rope are connected with the traction rings at one end of the two-way dung scraping components in the dung scraping ditches at the two ends of the whole row of rings after passing through the power transmission devices, the corner wheels are fixed on the base outside the dung collecting groove facing the dung scraping, the power transmission device is arranged at any position between the manure collecting groove and the manure collecting groove
Furthermore, a set of bidirectional dung scraping components is arranged in each dung scraping groove, and the composition, the connection relation and the shape of each set of bidirectional dung scraping components are completely the same and comprise dung scraping plates, traction rings and spacing lacing wires; the dung scraping plates are divided into a front dung scraping plate and a rear dung scraping plate, two ends of a plurality of interval lacing wires with equal lengths are respectively fixed on mutually symmetrical positions of the relative planes of the front dung scraping plate and the rear dung scraping plate, the two dung scraping plates and the interval lacing wires are connected into a whole, the traction rings are fixed at the middle lower positions of the outer planes of the front dung scraping plate and the rear dung scraping plate, two pairs of traction rings of two-way dung scraping assemblies in dung scraping ditches at the two ends of a colony house are connected through one traction rope, one end of each traction ring is connected with one traction rope, the other traction rings of two-way dung scraping assemblies in the dung scraping ditches are connected through one traction rope, and all the traction rings are connected in series to form a closed bow-shaped dung.
The power transmission device is an automatic dung scraping machine host machine in the prior art, and only needs to realize the normal operation of the whole closed arched dung scraping system.
An operation method of an outer dung scraping device based on the lower edge of a transverse fence comprises the following steps:
firstly, excrement is concentrated into an excrement scraping ditch through a space between a baffle plate and the ground;
then, starting a power transmission device, wherein under the driving of power, one end of a traction rope starts to pull a bidirectional dung scraping assembly in a first dung scraping groove to be pulled towards a direction close to or far away from the power transmission device, meanwhile, a connecting rope connected with the other end of the bidirectional dung scraping assembly in the first dung scraping groove passes through two corners of two corner wheels and then drives a bidirectional dung scraping assembly in a second dung scraping groove, and a connecting rope connected with the other end of the bidirectional dung scraping assembly in the second dung scraping groove passes through two corners of the two corner wheels and then drives a bidirectional dung scraping assembly in a third dung scraping groove, so that one dung is driven until the bidirectional dung scraping assembly in the last dung scraping groove and all the bidirectional dung scraping assemblies in front are pulled simultaneously; in the sliding process of scraping the excrement, the bidirectional excrement scraping components in the excrement scraping ditches in the two adjacent channels are always dragged in opposite directions, when all bidirectional excrement scraping plates behind the excrement scraping components are about to run to the end of the excrement scraping ditches, the machine is automatically stopped, excrement freely falls into the excrement collecting grooves, so far, the work of scraping the excrement outwards from the house in the house is completed once, when the machine is started next time, the traction ropes connected with the other ends of the bidirectional excrement scraping components in the excrement scraping ditches are used for driving the bidirectional excrement scraping components in each excrement scraping ditch to drag in opposite directions, when all the bidirectional excrement scraping plates behind the excrement scraping components reach the end of the excrement scraping ditches, the machine is automatically stopped again, the machine goes back and forth in such a way, the excrement is scraped into the excrement collecting grooves at the two ends of the excrement scraping ditches, and all the traction ropes and the connecting ropes are connected with the bidirectional excrement scraping components through the traction rings.
Compared with the prior art, the invention has the following effects:
1. the dung scraping ditch is a narrow and shallow small dung scraping ditch, is several times and tens times smaller than a dung collecting ditch below the dung leaking plate, reduces the material consumption and the engineering quantity by more than half, and reduces nearly half of the power configuration and the power consumption.
2. According to the external dung scraping device based on the lower edge of the transverse fence, the dung is scraped transversely back and forth in a segmented and simultaneous mode, the length of the dung scraping device is shortened by several times or even more than ten times compared with the longitudinal one-way dung scraping stroke, and power and equipment are saved.
3. The excrement of the invention is automatically moved out of the house, thereby reducing the labor intensity, improving the working efficiency, saving a large amount of water resources compared with the water-washed excrement, reducing the sewage treatment capacity and the pollution to the environment,
drawings
Fig. 1 is a schematic view of the overall plan structure of the present invention.
Fig. 2 is a schematic perspective view of the dung scraping groove of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described by combining fig. 1 and fig. 2, and the external dung scraping device based on the lower edge of the transverse fence of the embodiment comprises a transverse fence 1, a dung scraping groove 2, a baffle plate 3, a bidirectional dung scraping component 4, a connecting rope 5, a traction rope 6, a corner wheel 7, a dung collecting groove 8, a power transmission device 9 and a longitudinal fence 10; the transverse fence 1 is arranged between the rings of the whole row of rings, the longitudinal fence 10 is divided into a plurality of equal sections to form a plurality of pigsty with equal size, the dung scraping ditch 2 is arranged below the ground under the lower edge of each transverse fence 1, two ends of the dung scraping ditch are communicated with the dung collecting groove 8 outside the pigsty, the baffle plate 3 is hung at the position, larger than the diameter of a pig hoof, of the lower edge of each transverse fence 1, the bidirectional dung scraping component 4 can be dragged and installed at the bottom of the middle position of each dung scraping ditch 2, two ends of the connecting rope 5 are connected with the traction rings 4-2 at one end of the two adjacent bidirectional dung scraping components 4 at the middle position of the dung scraping ditch after being positioned through the corners and the positioning of the two corner wheels, the traction rope 6 is connected with the traction rings 4-2 at one end of the bidirectional dung scraping components 4 in the dung scraping ditches at two ends of the whole row of rings after passing through the power transmission device 9, the corner wheels 7 are fixed on the base at the outer side of the dung collecting, the manure collecting groove 8 is arranged below the ground between the head of each manure scraping groove 2 and the corner wheel 7, and the power transmission device 9 is arranged at any position between the manure collecting groove 8 and the manure collecting groove 8;
the horizontal column 1 of the present embodiment means: locate whole row circle, circle between the circle, divide into a plurality of equalling, the circle fence that forms the pigsty that equals of size with vertical fence 10, its effect is to divide into a plurality of pig raising units and hoist and mount shielding plate 3 with whole row circle, and the excrement scraping ditch 2 of this embodiment means: locate the below-ground excrement scraping ditch below the shielding plate 3, its effect makes two-way excrement subassembly 4 of scraping reciprocate in it, scrapes excrement and urine to the house outside in the excrement collecting tank 8, the shielding plate of this embodiment means: locate scraping 2 above the excrement ditch liftoff be greater than the pig's hoof diameter position, and hoist and mount the shielding plate in horizontal fence 1 downside, its effect prevents that the pig's hoof from stepping on scraping in the excrement ditch, and two-way excrement subassembly 4 of scraping of this embodiment means: locate and scrape 2 bottoms of excrement ditch and can make a round trip the two-way excrement subassembly of scraping that drags, its effect is scraped excrement and urine in the ditch to the collection excrement inslot 8 at both ends in, the connection rope 5 of this embodiment means: locate between the traction ring 4-2 of two adjacent two-way excrement subassembly 4 of scraping, and through 7 corner turns of two corner wheels behind the rope of being connected with traction ring 4-2 fixed connection, its effect is to connect and drive two-way excrement subassembly 4 of scraping, the haulage rope of this embodiment means: locate and twine on power transmission device 9, both ends respectively through the corner of corner wheel 7 and after the location, with whole row of both ends scrape the pull ring 4-2 of 4 one ends of two-way excrement subassembly of scraping in excrement ditch 2 and be connected haulage rope, its effect is that the drive through power transmission device 9 drives all two-way excrement subassemblies of scraping in excrement ditch 2 and makes a round trip to drag, the corner wheel 7 of this embodiment means: locate the corner wheel of the excrement collection groove 8 outside that scrapes excrement ditch 2 both ends and face, its effect makes connecting rope 5 and haulage rope 6 diversion pull, and the excrement collection groove 8 of this embodiment means: locate scraping excrement ditch 2 both ends ditch head and corner wheel 8 between the collection excrement groove of underground, its effect is temporarily to deposit excrement and urine, and power transmission device 9 of this embodiment means: locate the power transmission device who collects excrement groove 8 and collect excrement groove 8 between the optional position, its effect is that drive all two-way excrement subassemblies 4 of scraping in the excrement ditch 2 of scraping make a round trip to move, scrape excrement and urine to the collection excrement groove 8 of scraping excrement ditch 2 both ends.
The second embodiment is as follows: the embodiment is described by combining fig. 1 and fig. 2, a set of bidirectional dung scraping components 4 is arranged in each dung scraping groove 2, and the composition, connection relationship and shape of each set of bidirectional dung scraping components are completely the same and comprise dung scraping plates 4-1, traction rings 4-2 and spacing lacing wires 4-3; the dung scraping plate 4-1 is divided into a front dung scraping plate and a rear dung scraping plate, two ends of a plurality of interval lacing bars 4-3 with equal length are respectively fixed on the mutually symmetrical positions of the opposite planes of the front dung scraping plate 4-1 and the rear dung scraping plate 4-1, so that the two dung scraping plates 4-1 and the interval lacing bars 4-3 are connected into a whole, a traction ring 4-2 is fixed at the lower middle of the outer planes of the front dung scraping plate and the rear dung scraping plate, two pairs of traction rings 4-2 of two-way dung scraping assemblies 4 in dung scraping ditches at two ends of a whole row of rings are connected with a traction rope at one end and a connecting rope at the other end, the traction rings 4-2 at two ends of the two-way dung scraping assemblies 4 in the other dung scraping ditches 2 are connected with one another by the connecting rope 5, and are all connected in series to form a.
The dung scraping plate 4-1 of the embodiment refers to: the dung scraping plates arranged at two ends of the plurality of interval lacing wires 4-3 are used for scraping the dung into the dung collecting groove 8 by dragging, and the interval lacing wires 4-3 of the embodiment refer to the following steps: the spacing lacing wire arranged between the two dung scraping plates 4-1 has the function of supporting the two dung scraping plates 4-1 for a certain distance, so that when the bidirectional dung scraping assembly 4 drags and scrapes dung, the dung scraping plates 4-1 are kept vertical to the ground, and the traction ring 4-2 of the embodiment is as follows: the fixed traction ring is arranged at the lower middle position of the outer planes at the two ends of the bidirectional dung scraping component 4 and is used for being connected with the connecting rope 5 and the traction rope 6.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 and 2, and an operation method of the outer dung scraping device based on the lower edge of the transverse fence according to the present embodiment is as follows:
first, the dung is collected into the dung scraping groove through the space between the shielding plate 3 and the ground.
Then, the power transmission device 9 is started, under the driving of power, one end of the traction rope 6 starts to pull the two-way dung scraping component 4 in the first dung scraping groove 2 to be dragged towards the direction close to or far away from the power transmission device 9, meanwhile, the connecting rope 5 connected with the other end of the two-way dung scraping component 4 in the first dung scraping groove 2 passes through two corners of the two corner wheels 7 and then returns to drive the two-way dung scraping component 4 in the second dung scraping groove 2, and the connecting rope 5 connected with the other end of the two-way dung scraping component 4 in the second dung scraping groove 2 passes through two corners of the two corner wheels 7 and then returns to drive the two-way dung scraping component 4 in the third dung scraping groove 2, so that one dung scraping is driven until the two-way dung scraping component 4 in the last dung scraping groove 2 and all the two-way dung scraping components 4 in the front dung scraping groove are dragged simultaneously; in the sliding process of dung scraping, the bidirectional dung scraping components 4 in two adjacent dung scraping channels 2 are always dragged in opposite directions, when the dung scraping plates 4-1 at the rear of all the bidirectional dung scraping assemblies are about to run to the head of the dung scraping ditch 2, automatically stops, the excrement freely falls into the excrement collecting groove 8, so as to complete the excrement scraping work from the inside to the outside of the house, when the device is started next time, the traction rope 6 connected with the other end of the bidirectional dung scraping component 4 in the last dung scraping ditch 2 starts to drive the bidirectional dung scraping component 4 in each dung scraping ditch 2 to drag in the opposite direction, when the dung scraping plates 4-1 behind all the bidirectional dung scraping assemblies 4 reach the head of the other end of the dung scraping ditch 2, the dung scraping machine is automatically stopped, so as to reciprocate back and forth, the excrement is scraped into the excrement collecting grooves 8 at the two ends of the excrement scraping ditch, and all the traction ropes 6 and the connecting ropes 5 are connected with the bidirectional excrement scraping component 4 through the traction ring 4-2.
The power transmission device 9 of the embodiment is an automatic dung scraping machine host machine in the prior art, and only needs to realize the normal operation of the whole closed arched dung scraping system.
Claims (3)
1. The utility model provides an outer excrement device of scraping based on horizontal fence downside which characterized in that: the excrement scraping device comprises a transverse fence (1), an excrement scraping groove (2), a baffle plate (3), a bidirectional excrement scraping component (4), a connecting rope (5), a traction rope (6), a corner wheel (7), an excrement collecting groove (8), a power transmission device (9) and a longitudinal fence (10); the transverse frames (1) are arranged between the whole circle and the circle and divide the longitudinal frames (10) into a plurality of equal sections to form a plurality of pigsty with equal size, the dung scraping ditches (2) are arranged below the ground under the lower side of each transverse frame (1), two ends of each dung scraping ditch are communicated with the dung collecting groove (8) outside the house, the baffle plate (3) is hoisted at the position, larger than the diameter of the pig trotters, below the lower side of each transverse frame (1), the bidirectional dung scraping component (4) can be dragged and installed at the bottom of the middle position of each dung scraping ditch (2), two ends (5) of the connecting rope are connected with the traction rings (4-2) at one end of the two-way dung scraping components (4) at the middle position of the dung scraping ditches (2) after the corners and the positioning of the two corner wheels, two ends of the traction rope (6) are connected with the traction rings (4-2) at one end of the bidirectional dung scraping components (4) in the dung scraping ditches at two ends of the whole circle through the power transmission device (9), the corner wheel (7) is fixed on a base on the outer side of the excrement collecting groove (8) which is opposite to the excrement scraping groove, the excrement collecting groove (8) is arranged below the ground between the groove head of the excrement scraping groove (2) outside the house and the corner wheel (7), and the power transmission device (9) is arranged at any position between the excrement collecting groove (8) and the excrement collecting groove (8).
2. The outer dung scraping device based on the lower edge of the transverse fence as claimed in claim 1, wherein: the bidirectional dung scraping assemblies (4) are arranged in each dung scraping ditch (2) in a set, and the composition, the connection relation and the shape of each bidirectional dung scraping assembly are completely the same and comprise dung scraping plates (4-1), traction rings (4-2) and spacing lacing wires (4-3); the dung scraping plate (4-1) is divided into a front dung scraping plate and a rear dung scraping plate, two ends of a plurality of interval lacing bars (4-3) with equal length are respectively fixed on the mutually symmetrical positions of the opposite planes of the front dung scraping plate and the rear dung scraping plate (4-1), so that the two dung scraping plates (4-1) and the interval lacing bars (4-3) are connected into a whole, a traction ring (4-2) is fixed at the lower position in the middle of the outer planes of the front dung scraping plate and the rear dung scraping plate, one end of each of two pairs of traction rings (4-2) of the bidirectional dung scraping assembly (4) in the dung scraping ditches at the two ends of the colony house is connected with a traction rope, and the other, traction rings at two ends of the bidirectional dung scraping component (4) in the rest dung scraping ditches (2) are connected one by one through a connecting rope (5) and are all connected together to form a closed bow-shaped dung scraping system driven by a power transmission device (9).
3. An operation method of an outer dung scraping device based on the lower edge of a transverse fence is characterized in that: firstly, excrement is concentrated into the excrement scraping ditch through the space between the baffle plate (3) and the ground, then the power transmission device (9) is started, under the driving of power, one end of the traction rope (6) starts to pull the two-way excrement scraping component (4) in the first excrement scraping ditch (2) to be pulled towards the direction close to or away from the power transmission device (9), meanwhile, the connecting rope (5) connected with the other end of the two-way excrement scraping component (4) in the first excrement scraping ditch (2) passes through two corners of the two corner wheels (7) and then returns to drive the two-way excrement scraping component (4) in the second excrement scraping ditch (2), the connecting rope (5) connected with the other end of the two-way excrement scraping component (4) in the second excrement scraping ditch (2) passes through two corners of the two corner wheels (7) and then returns to drive the two-way excrement scraping component (4) in the third excrement scraping ditch (2), thus, the two-way dung scraping components (4) in the last dung scraping groove (2) and all the two-way dung scraping components (4) in the front are dragged at the same time; in the sliding process of dung scraping, the two-way dung scraping components (4) in two adjacent dung scraping channels (2) are always dragged in opposite directions, when the dung scraping plates (4-1) at the rear sides of all the two-way dung scraping components are about to run to the channel heads of the dung scraping channels (2), the machine is automatically stopped, dung freely falls into the dung collecting channels (8), so far, the dung scraping work from the inside to the outside of the house is completed, when the machine is started next time, the traction rope (6) connected with the other ends of the two-way dung scraping components (4) in the last dung scraping channel (2) starts to drive the two-way dung scraping components (4) in each dung scraping channel (2) to drag in opposite directions, when the dung scraping plates (4-1) at the rear sides of all the two-way dung scraping components (4) reach the channel heads at the other ends of the dung scraping channels (2), the machine is automatically stopped again, so that the dung is moved back and forth, and the dung is scraped into the dung collecting channels (8) at the two ends of the, all the traction ropes (6) and the connecting ropes (5) are connected with the bidirectional dung scraping component (4) through traction rings (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674296.8A CN110800622A (en) | 2019-07-17 | 2019-07-17 | Outer dung scraping device based on lower edge of transverse fence and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674296.8A CN110800622A (en) | 2019-07-17 | 2019-07-17 | Outer dung scraping device based on lower edge of transverse fence and operation method thereof |
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| CN110800622A true CN110800622A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910674296.8A Pending CN110800622A (en) | 2019-07-17 | 2019-07-17 | Outer dung scraping device based on lower edge of transverse fence and operation method thereof |
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| CN (1) | CN110800622A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111758580A (en) * | 2020-07-10 | 2020-10-13 | 中科国兴（绵阳）科技有限公司 | Cleaning system for pen |
| CN115039703A (en) * | 2022-06-28 | 2022-09-13 | 中国农业大学 | Variable-mould piston |
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| CN201078940Y (en) * | 2007-08-13 | 2008-07-02 | 北京四方诚信畜牧科技有限公司 | Loop circuit scratch board feces cleaning system |
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| CA3018138A1 (en) * | 2015-07-27 | 2017-02-02 | Vincent Marie | Dispositif d'entrainement translationnel d'un element racleure |
| CN105210891A (en) * | 2015-09-30 | 2016-01-06 | 天津市金铎种猪繁育有限公司 | Excrement device scraped by a kind of double excrement groove pig house |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111758580A (en) * | 2020-07-10 | 2020-10-13 | 中科国兴（绵阳）科技有限公司 | Cleaning system for pen |
| CN115039703A (en) * | 2022-06-28 | 2022-09-13 | 中国农业大学 | Variable-mould piston |
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Application publication date: 20200218 |