CN111838006A - Individual sorting system for herd of sheep breeding - Google Patents

Individual sorting system for herd of sheep breeding Download PDF

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Publication number
CN111838006A
CN111838006A CN202010612331.6A CN202010612331A CN111838006A CN 111838006 A CN111838006 A CN 111838006A CN 202010612331 A CN202010612331 A CN 202010612331A CN 111838006 A CN111838006 A CN 111838006A
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China
Prior art keywords
side wall
connecting rod
revolving door
sorting
sheep
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CN202010612331.6A
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Chinese (zh)
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CN111838006B (en
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李晓燕
李能琴
杜文辉
马永阔
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Minqin County Zhongxin Animal Husbandry And Breeding Professional Cooperative
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Minqin County Zhongxin Animal Husbandry And Breeding Professional Cooperative
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Priority to CN202010612331.6A priority Critical patent/CN111838006B/en
Publication of CN111838006A publication Critical patent/CN111838006A/en
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Publication of CN111838006B publication Critical patent/CN111838006B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K29/00Other apparatus for animal husbandry
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K3/00Pasturing equipment, e.g. tethering devices; Grids for preventing cattle from straying; Electrified wire fencing

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Housing For Livestock And Birds (AREA)

Abstract

The invention discloses an individual sorting system for herd sheep breeding, which comprises a main channel and a sorting channel, wherein the main channel is provided with a plurality of detection areas, a pair of revolving door systems is respectively arranged in front of each detection area, the adjacent detection areas are communicated through the revolving door systems, each detection area comprises two side walls, the side wall corresponding to the sorting channel is provided with a controllable opening mechanism, and the main channel is communicated with the corresponding sorting channel through the controllable opening mechanism. And an RFID label detection mechanism for identifying the sheep individual is arranged in the range of each detection zone. The invention is used for carrying out individual sorting application on different individuals such as weight difference, different disease conditions and the like in the large-quantity breeding process of the sheep flock. And the ability to increase the sorting accuracy by changing the number of sorting channels by increasing or decreasing the number of corresponding detection zones.

Description

Individual sorting system for herd of sheep breeding
Technical Field
The invention belongs to the technical field of livestock breeding population sorting, and particularly relates to a system for realizing rapid sorting according to individual difference in a large-quantity breeding process of sheep flocks.
Background
In the process of massively breeding the sheep flocks, the screening of the sheep flocks is very necessary. For example, one sorting method is to sort according to the weight of the sheep flock, group livestock with similar weight, or make qualified livestock go out of the pen, and make unqualified livestock continue to return to the pasture for feeding. The mode that current livestock divide the crowd to generally adopt the platform scale to weigh, artifical participation degree is high, needs the manual weight information of recording the livestock even, selects separately the link and the action that the physical examination link all need have intervention livestock weighing, easily leads to the livestock to bring very big trouble in response to the stress response, leads to the crowd confusion even. The existing separation mode is time-consuming, labor-consuming and low in efficiency, is a laggard separation means, and is not suitable for large-scale cultivation mostly.
In addition, the screening of the sheep flock individuals not only considers the size (weight) of the individuals, but also considers the disease condition and the infectious disease condition of the individual sheep, and carries out targeted feeding, treatment and the like aiming at different sorted populations. However, in the existing large-scale cultivation, the grouping management is always a difficult problem to face, and particularly, the existing sorting mode cannot carry out multi-class sorting.
Disclosure of Invention
Aiming at the problems of high sorting difficulty, low sorting precision and high artificial participation degree when a large number of flocks are required to be sorted and treated due to individual difference in the process of breeding a large number of flocks, the invention provides a system which is used for solving the technical problem and can realize quick sorting according to the individual difference.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an individual sorting system is bred to flocks of sheep, includes the main entrance and selects separately the passageway, and the main entrance has a plurality of detection regions, and the place ahead of every detection region respectively has a pair of revolving door system, makes adjacent detection region intercommunication through the revolving door system, and every detection region includes both sides wall, and the lateral wall that corresponds with the sorting passageway sets up controllable opening mechanism, makes main entrance and corresponding sorting passageway intercommunication through controllable opening mechanism. And an RFID label detection mechanism for identifying the sheep individual is arranged in the range of each detection zone.
The revolving door system comprises a revolving upright post component, a revolving door, a connecting rod, a side wall and a transmission mechanism. The rotary upright post assembly comprises a rotary drum capable of rotating, a rotary shaft is sleeved on the inner side of the rotary drum, the lower end of the rotary shaft is installed in a lower shaft sleeve corresponding to the base, an upper shaft sleeve is installed at the upper end of the rotary shaft, a transmission mechanism arranged in the base drives the rotary shaft or the rotary drum to rotate, and a rotary door is fixed on the portion, located on the upper side of the base, of the rotary drum.
The upper rotating sleeves at the upper parts of the front and rear adjacent rotating upright post assemblies are respectively connected with the two ends of the connecting rod, side walls are arranged in the area between the adjacent rotating upright post assemblies, the upper end of each side wall is connected with the connecting rod, and the lower end of each side wall is connected with the base.
The revolving door and the side wall comprise a plurality of parallel cross bars, and the cross bars of the revolving door and the corresponding side wall are distributed in a staggered manner, so that the revolving door can pass through the plurality of cross bars of the side wall after rotating.
The controllable opening mechanism is characterized in that a hinged seat is arranged below the corresponding connecting rod and is hinged with the corresponding side wall through a pin shaft, and a blocking platform for limiting the transition and turnover of the side wall is arranged on the base.
And a side wall overturning driving mechanism is fixed at the upper end of the connecting rod. For example, a side wall turnover driving mechanism can comprise a supporting seat fixed on the upper side of the middle part of the connecting rod, and a push-pull driving mechanism is hinged between the supporting rod and the side wall.
Still set up at each lateral wall and assist the subassembly that pushes away, including assisting push pedal and U type connecting rod telescopic machanism, install the fixing base on the inboard side horizontal pole of lateral wall, it articulates on the fixing base to assist the push pedal, U type connecting rod telescopic machanism is fixed with at least a pair of uide bushing on the inboard side horizontal pole of lateral wall, two wing bar correspondences of at least one U type connecting rod insert in the uide bushing, set up the fender ring on each wing bar of U type connecting rod, be connected with pressure spring between corresponding uide bushing at the fender ring, can be to uide bushing one side indentation after pressing the web member of U type connecting rod. The tail end of the cross bar of the revolving door corresponding to the U-shaped connecting rod is fixed with a wedge-shaped pushing head which is used for pressing a web member of the U-shaped connecting rod.
And a soft contact is fixed at the tail end of each auxiliary push plate.
The plurality of auxiliary push plates which are parallel in the transverse direction are fixed together through the connecting plate which is vertical in the middle to form the composite push plate.
The transmission mechanism is characterized in that composite belt wheels are arranged below each rotating shaft or each rotating drum, the front and the back adjacent composite belt wheels are in transmission connection through the same annular conveying belt, and the composite belt wheel at the tail end is in transmission connection with a servo motor.
The invention has the beneficial effects that: the invention is used for carrying out individual sorting application on different individuals such as weight difference, different disease conditions and the like in the large-quantity breeding process of the sheep flock. And the ability to increase the sorting accuracy by changing the number of sorting channels by increasing or decreasing the number of corresponding detection zones.
The system of the invention can have various control modes, and can automatically operate in the main channel and cooperate with human to carry out the screening process of the sorting channel. In the process of realizing individual sorting, for the screening only taking the body weight as the difference, the side wall can be opened through automatic control to open the corresponding sorting channel. When the artificial participation in the corresponding disease diagnosis and identification, the corresponding sorting channel is selected to be opened by artificially controlling the cut-off (stop) of the main channel and the opening and closing of the side wall.
After the auxiliary pushing assembly is arranged, the auxiliary pushing assembly can be driven to move and return by utilizing the rotation process of the revolving door, so that individual sheep can be automatically driven in the main channel to ensure that the main channel is continuously and smoothly communicated.
Drawings
FIG. 1 is a schematic diagram of the channel layout of the sorting system of the present invention.
Figure 2 is a schematic diagram of a cycle of operation of a rotary door system.
FIG. 3 is a schematic view of the cooperative relationship of the swing door and the side wall in the swing door system.
FIG. 4 is a second schematic view of the cooperative relationship between the swing door and the side wall of the swing door system.
Fig. 5 is a schematic view of an implementation example of a side wall controllable opening mechanism.
Figure 6 is a schematic view of a partial transfer relationship of a transmission in a rotating door system.
Fig. 7 is a schematic view of the installation structure of the elastic push rod in the auxiliary push assembly.
Fig. 8 is a block diagram of the control portion of the sorting system of the present invention.
Reference numbers in the figures: the device comprises a base 1, a lower shaft sleeve 2, a rotating shaft 3, a composite belt wheel 4, a transmission belt 5, a rotating drum 6, an upper shaft sleeve 7, a connecting seat 8, a connecting rod 9, a hinged seat 10, a pin shaft 11, an extending plate 12, a side wall 13, a rotating door 14, a baffle table 15, a fixing seat 16, an auxiliary push plate 17, a soft contact 18, a connecting plate 19, a guide sleeve 20, a U-shaped connecting rod 21, a baffle ring 22, a pressure spring 23, a wedge-shaped push head 24, a tapered inlet 25, a limiting channel 26, a main channel 27, a side through guardrail 28, a rotating drum seat 29, a supporting seat 30 and an electric push rod 31.
Detailed Description
In the process of massively breeding the sheep flocks, the screening of the sheep flocks is very necessary. The screening of the sheep flock individuals not only considers the size (weight) of the individuals, but also considers the disease condition and the infectious disease condition of the individual sheep, and carries out targeted feeding and treatment and the like aiming at different sorted colonies. The following explains the specific application form of the individual sorting system for the herd of sheep breeding through the attached drawings.
Example 1: an individual sorting system for herd sheep breeding is in the structural form as shown in figure 1, and as can be seen from figure 1, the system consists of a main channel and a plurality of sorting channels. The inlet end of the main channel 27 is provided with a tapered inlet 25 to which is connected a restricted channel 26, the restricted channel 26 serving to compress the two side walls to ensure that only one sheep passes. Thereby connecting the main channel body portions. The main channel is usually used as the output channel of the main population (normal population), and the sorting channel is used as the sorting channel of a small number of distinct populations.
The main portion of the main channel presents a plurality of detection zones, three being exemplified in fig. 1. Each detection area comprises two side walls, a pair of revolving door systems is arranged in front of each detection area, and adjacent detection areas are communicated through the revolving door systems. And an RFID label detection mechanism for identifying the sheep individual is arranged in the range of each detection zone. The motion state of each pair of revolving door systems in one rotation cycle is shown in fig. 2, wherein the rotation speed of step (3) is faster, and the step can also be stopped or operated by human control. And (4) arranging an auxiliary pushing assembly capable of automatically driving the individual sheep to advance, as in example 2.
The number of sorting channels can also be changed by increasing or decreasing the number of corresponding detection zones, so as to improve the sorting accuracy. The method comprises the steps of firstly determining the information of a single sheep through an RFID (radio frequency identification) tag for identifying the individual sheep, additionally arranging an electronic scale at the bottom of a part of detection areas, collecting the information of the electronic scale under the condition of identifying the information of the single sheep through a controller, and controlling whether to open a main channel or a corresponding weight sorting channel or not through displaying and storing according to a set weight threshold value.
The revolving door system mainly comprises a revolving upright post assembly, a revolving door, a connecting rod, a side wall and a transmission mechanism, and the structural form of the whole revolving door system can be determined by the partial structural relationship of the revolving door system shown in figures 3 and 6 and the combination of the partial structural relationship and figure 1.
In the rotary door system, the rotary column assembly can rotate the rotary drum 6 and the rotary shaft 3 in the system of the embodiment, the rotary shaft 3 is sleeved on the inner side of the rotary drum 6, but the rotary drum and the rotary shaft are fixed together to synchronously rotate, and the other implementation form is as in embodiment 3. The lower end of the rotating shaft 3 is arranged in the corresponding lower shaft sleeve 2 in the base, the upper end of the rotating shaft 3 is provided with an upper shaft sleeve 7, and a transmission mechanism arranged in the base 1 drives the rotating shaft to rotate. Specifically, as shown in fig. 6, the transmission mechanism is that composite belt wheels 4 are installed below each rotating shaft 3 or each rotating drum 6, the front and rear adjacent composite belt wheels are in transmission connection through the same endless conveyor belt 5, and the composite belt wheel at the tail end is in transmission connection with a servo motor.
As shown in fig. 3, a rotary door 14 is fixed to a portion of the drum 6 on the upper side of the base 1. The rotation of the transmission mechanism can drive the revolving door 14 to rotate, so that the automatic opening and closing action of the main channel is realized, or the rotation is stopped under the manual control.
Two ends of the connecting rod 9 are respectively connected with the upper rotating sleeves on the upper parts of the front and rear adjacent rotating upright post assemblies, and as can be seen in fig. 3, the edge of each upper rotating sleeve is provided with a connecting seat 8 for fixing the connecting rod 9. In order to improve the connection strength, a transverse auxiliary rod can be connected to one side of the upper rotating sleeve (avoiding the sorting channel) and fixed on other foundations or walls. Or the connecting rods at the two sides are fixed into a whole through the auxiliary rod.
As can also be seen in fig. 3 and 4, the region between adjacent rotary upright assemblies is provided with side walls, each of which has an upper end connected to the link 9 and a lower end connected to the base 1. As can be seen, the revolving door 14 and the side wall 13 both include a plurality of parallel cross bars, and the cross bars of the revolving door 14 and the corresponding side wall 13 are distributed in a staggered manner, so that the revolving door 14 can pass through the plurality of cross bars of the side wall 13 after rotating.
The side wall corresponding to the sorting channel is provided with a controllable opening mechanism, and the main channel is communicated with the corresponding sorting channel through the controllable opening mechanism. Fig. 3 and 5 in combination provide a specific form of controllable opening mechanism, which is provided with a hinged seat 10 below the corresponding connecting rod 9 and hinged with the corresponding side wall through a pin 11, and a stop 15 limiting the excessive overturning of the side wall is arranged on the base 1. And a side wall turnover driving mechanism as shown in fig. 5 is fixed at the upper end of the connecting rod. The side wall turnover driving mechanism in fig. 5 includes a supporting base 30 fixed on the upper side of the middle part of the connecting rod, and a push-pull driving mechanism such as an electric push rod, an air cylinder or a hydraulic cylinder is hinged between the supporting rod 30 and the side wall 13.
Example 2: based on the embodiment 1, for the motion state of each rotary door system in one rotation period, the auxiliary pushing assembly is arranged as the step (4) in the figure 2, so that the individual sheep can be automatically driven to advance. The side wall is provided with an auxiliary push assembly as shown in fig. 4, and comprises an auxiliary push plate 17, a U-shaped connecting rod telescopic mechanism and other parts.
Specifically, the fixing seat 16 is installed on the cross bar at the inner side of the side wall, the auxiliary push plate 17 is hinged on the fixing seat 16, and in the embodiment, a plurality of transversely parallel auxiliary push plates 17 are fixed together through a connecting plate 19 with the vertical middle part to form a composite push plate. The U-shaped connecting rod telescopic mechanism is characterized in that two pairs of guide sleeves 20 and two U-shaped connecting rods 21 are fixed on a cross bar at the inner side edge of the side wall. Two wing rods of each U-shaped connecting rod 21 are correspondingly inserted into the guide sleeve 20, a stop ring 22 is arranged on each wing rod of each U-shaped connecting rod 21, a pressure spring 23 is connected between the stop ring 22 and the corresponding guide sleeve, and the stop ring can retract to one side of the guide sleeve after pressing a web member of the U-shaped connecting rod 21.
Meanwhile, a wedge-shaped push head 24 is fixed at the end of the cross bar of the revolving door 14 corresponding to the U-shaped connecting rod 21, and the wedge-shaped push head 24 is used for pressing the web member of the U-shaped connecting rod 21. In this embodiment, a soft contact 18 is fixed to the end of each of the auxiliary push plates 17.
After assisting and pushing away the subassembly through add on embodiment 1 basis, can utilize revolving door rotation process drive to assist and push away the subassembly action and advance in order to drive the sheep, the tail-end wedge of 14 horizontal poles of revolving door pushes away the head 24 oppression U type connecting rod telescopic machanism and makes the web member indentation back of U type connecting rod 21, and revolving door 14 can stride and assist and push away the subassembly to assist and push away the subassembly return. In order to ensure the reliability of the return of the auxiliary pushing assembly, a tension spring can be connected between the revolving door and the auxiliary pushing plate 17 of the auxiliary pushing assembly, or a torsion spring is sleeved on the pin shaft of the fixed seat 16. Thereby being capable of automatically driving individual sheep in the main channel to ensure the main channel to be continuously smooth.
Example 3: on the basis of embodiment 1, the rotating column assembly is a cylindrical fixed column which can rotate the rotary drum 6 and cannot rotate in the system of the embodiment, and the cylindrical fixed column is sleeved on the inner side of the rotary drum 6. The lower end of the cylindrical fixed upright post is fixed in the corresponding lower sleeve in the base, and the upper end of the cylindrical fixed upright post is fixed with the upper sleeve. Two ends of the connecting rod 9 are respectively connected with the upper sleeves at the upper parts of the front and the rear adjacent rotary upright post assemblies.
The base 1 is provided with a rotary drum seat 29 for installing the rotary drum 6, and the inner part of the rotary drum 6 extending into the base 1 is provided with a composite belt wheel. The transmission mechanism arranged in the base 1 drives the rotary drums to rotate, specifically, the composite belt wheels 4 are arranged below the rotary drums 6, the front and rear adjacent composite belt wheels are in transmission connection through the same annular conveying belt 5, and the composite belt wheel at the tail end is in transmission connection with the servo motor.

Claims (6)

1. A herd of sheep breeds individual sorting system, including main channel and sorting channel, characterized by, the main channel has multiple detection areas, there is a pair of revolving door systems respectively in front of each detection area, make the adjacent detection area communicate through the revolving door system, each detection area includes both sides wall, the sidewall corresponding to sorting channel sets up the controllable opening mechanism, make the main channel communicate with corresponding sorting channel through the controllable opening mechanism, each detection area is fitted with the RFID label detection mechanism used for discerning the individual sheep within range; the revolving door system comprises a revolving column assembly, a revolving door, a connecting rod, a side wall and a transmission mechanism, wherein the revolving column assembly comprises a revolving drum (6) capable of rotating, a rotating shaft (3) is sleeved on the inner side of the revolving column assembly, the lower end of the rotating shaft (3) is installed in a corresponding lower shaft sleeve in a base, an upper shaft sleeve is installed at the upper end of the rotating shaft (3), the transmission mechanism arranged in the base (1) drives the rotating shaft or the revolving drum to rotate, and a revolving door (14) is fixed on the part, located on the upper side of the base (1), of the revolving drum (6); two ends of the connecting rod (9) are respectively connected with the upper rotating sleeves at the upper parts of the front and rear adjacent rotating upright post assemblies, the area between the adjacent rotating upright post assemblies is provided with a side wall, the upper end of each side wall is connected with the connecting rod (9), and the lower end is connected with the base (1); the revolving door (14) and the side wall (13) both comprise a plurality of parallel cross bars, and the revolving door (14) and the cross bars of the corresponding side wall (13) are distributed in a staggered manner, so that the revolving door (14) can pass through the plurality of cross bars of the side wall (13) after rotating; the controllable opening mechanism is characterized in that a hinge seat (10) is arranged below a corresponding connecting rod (9) and is hinged with a corresponding side wall through a pin shaft (11), and a blocking platform (15) for limiting the transition turning of the side wall is arranged on a base (1); and a side wall overturning driving mechanism is fixed at the upper end of the connecting rod.
2. The herd of sheep breeds individual sorting system of claim 1, characterized in that, each side wall is further provided with an auxiliary push component, which comprises an auxiliary push plate (17) and a U-shaped connecting rod telescopic mechanism, the fixing base (16) is installed on the inner side cross rod of the side wall, the auxiliary push plate (17) is hinged on the fixing base (16), the U-shaped connecting rod telescopic mechanism is characterized in that at least one pair of guide sleeves (20) is fixed on the inner side cross rod of the side wall, two wing rods of at least one U-shaped connecting rod (21) are correspondingly inserted into the guide sleeves (20), each wing rod of the U-shaped connecting rod (21) is provided with a baffle ring (22), a pressure spring (23) is connected between the baffle ring (22) and the corresponding guide sleeve, and the baffle ring can retract to one side of the guide sleeves after pressing the web rod of the U-; a wedge-shaped push head (24) is fixed at the tail end of the cross bar of the revolving door (14) corresponding to the U-shaped connecting rod (21), and the wedge-shaped push head (24) is used for pressing a web member of the U-shaped connecting rod (21).
3. The flock individual sorting system according to claim 2, characterized in that a soft tip (18) is fixed to the end of each auxiliary push plate (17).
4. The flock individual sorting system according to claim 2, characterized in that a plurality of transverse parallel auxiliary push plates (17) are fixed together by means of a central vertical tie plate (19) to form a composite push plate.
5. The flock individual sorting system according to claim 1, wherein the transmission mechanism is provided with composite belt wheels (4) under each rotating shaft (3) or each rotating drum (6), the front and rear adjacent composite belt wheels are in transmission connection through the same endless conveyor belt (5), and the composite belt wheel at the tail end is in transmission connection with a servo motor.
6. The herd of sheep breed individual sorting system of claim 1, wherein the side wall turnover drive mechanism comprises a support base (30) fixed on the upper side of the middle of the connecting rod, and a push-pull drive mechanism is hinged between the support rod (30) and the side wall (13).
CN202010612331.6A 2020-06-30 2020-06-30 Individual sorting system for herd of sheep breeding Active CN111838006B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1197142A2 (en) * 1995-05-09 2002-04-17 M.G.H. Agricultural Cooperative Society Ltd. Hen nesting apparatus and method utilizing such apparatus for identifying, monitoring and controlling individual hens of a flock
CN204217654U (en) * 2014-11-10 2015-03-25 中国农业科学院兰州畜牧与兽药研究所 A kind of domestic animal is weighed separator
CN108782311A (en) * 2017-05-04 2018-11-13 北京聚码科技有限公司 A kind of live body livestock weighing-appliance and method
CN110036919A (en) * 2019-05-16 2019-07-23 内蒙古农业大学 A kind of domestic animal dynamic weigher and its method
CN110084343A (en) * 2019-05-30 2019-08-02 阿牧网云(北京)科技有限公司 One breeding class grouping device and the domestic animals with the device divide group's system
CN209280111U (en) * 2018-12-19 2019-08-20 武威普康养殖有限公司 Intelligent automatic weighing divides sheep pen
CN210328883U (en) * 2019-07-23 2020-04-17 内蒙古盛达机械制造有限责任公司 Multifunctional cattle separating fence

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1197142A2 (en) * 1995-05-09 2002-04-17 M.G.H. Agricultural Cooperative Society Ltd. Hen nesting apparatus and method utilizing such apparatus for identifying, monitoring and controlling individual hens of a flock
CN204217654U (en) * 2014-11-10 2015-03-25 中国农业科学院兰州畜牧与兽药研究所 A kind of domestic animal is weighed separator
CN108782311A (en) * 2017-05-04 2018-11-13 北京聚码科技有限公司 A kind of live body livestock weighing-appliance and method
CN209280111U (en) * 2018-12-19 2019-08-20 武威普康养殖有限公司 Intelligent automatic weighing divides sheep pen
CN110036919A (en) * 2019-05-16 2019-07-23 内蒙古农业大学 A kind of domestic animal dynamic weigher and its method
CN110084343A (en) * 2019-05-30 2019-08-02 阿牧网云(北京)科技有限公司 One breeding class grouping device and the domestic animals with the device divide group's system
CN210328883U (en) * 2019-07-23 2020-04-17 内蒙古盛达机械制造有限责任公司 Multifunctional cattle separating fence

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