CN108566897B - Changeable pig feed trough of volume - Google Patents
Changeable pig feed trough of volume Download PDFInfo
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- CN108566897B CN108566897B CN201810506278.4A CN201810506278A CN108566897B CN 108566897 B CN108566897 B CN 108566897B CN 201810506278 A CN201810506278 A CN 201810506278A CN 108566897 B CN108566897 B CN 108566897B
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- rectangular block
- gear
- threaded rod
- planet carrier
- trough body
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
- A01K5/01—Feed troughs; Feed pails
Abstract
The invention relates to a volume-variable pig feed trough, which effectively solves the problems that the size of the existing pig feed trough can not be changed and the residual materials can not be cleaned; the technical scheme includes that the device comprises a groove body, a rectangular block which can move up and down is arranged in the groove body, a vertical rod is arranged on each of the left side and the right side of the rectangular block, a push plate is arranged on each of the left side and the right side of each vertical rod, a through hole matched with the vertical rod is formed in the lower end face of each push plate, and when the push plates move to be matched with the rectangular blocks, the vertical rods move upwards and can be inserted into the through holes matched with the push plates; the solar energy power generation device is characterized in that a sun wheel is arranged below the rectangular block, a plurality of planet wheels are arranged on the outer side of the sun wheel, an outer gear ring is sleeved on the outer side of each planet wheel, a planet carrier is arranged above each planet wheel, the rotation of the planet carrier can drive the rectangular block to move up and down, a friction disc is arranged above the planet carrier, the upper end face of the friction disc is connected with the rectangular block through a pressure spring, and the rotation of the outer gear ring can drive a push plate to move.
Description
Technical Field
The invention relates to the field of feeding of live pigs, in particular to a pig feeding trough with variable volume.
Background
In the process of breeding pigs, pigs of different batches and different sizes can be fed individually, the growth of the pigs can be effectively controlled by setting reasonable feeding time and reasonable feeding amount according to different feeding standards of the pigs of different body types, so that the growth of the pigs is more reasonable, and the quality of the pigs can be fundamentally guaranteed.
In order to save cost, most of the conventional pig farms adopt fixed trough-shaped or basin-shaped troughs for feeding live pigs, the troughs have low cost, however, when feeding pigs, feeding personnel are required to strictly control the food amount for each feeding, but in the process of controlling the feeding, because human beings have errors inevitably in operation and a large amount of manpower and material resources are consumed in the closing process, thereby raising the breeding cost of the live pigs, solving the problems of dead angles and dead angles of feeding at the bottom of the traditional pig feeding trough, a great amount of materials are often left at the junction of the bottom and the side surface of the feeding trough, the live pigs can not feed, the left materials cause the increase of the cost of raw materials firstly, and the left materials are exposed in the air for a long time to deteriorate secondly, a large amount of bacteria can be bred when the feed is not cleaned in time, and the bacteria can be mixed in new pig feed to be eaten by the live pigs when the feed is fed next time, so that the disease of the live pigs is caused.
Therefore, the present invention provides a variable volume pig feed trough to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pig feed trough with the variable volume, and the problems that the size of the existing pig feed trough can not be changed and the residual materials can not be cleaned are effectively solved.
The technical scheme for solving the problems comprises a rectangular groove body with an upward opening end, wherein a rectangular block with a lower end penetrating through the bottom surface of the groove body and capable of moving up and down is arranged in the middle of the groove body, the front side surface and the rear side surface of the rectangular block are respectively attached to the front inner side surface and the rear inner side surface of the groove body, a vertical rod with a lower end penetrating through the bottom surface of the groove body and capable of moving up and down along with the rectangular block is respectively fixed on the left side surface and the right side surface of the rectangular block, the upper end of the vertical rod is lower than the upper end surface of the rectangular block, a vertically placed push plate capable of sliding in the groove body is respectively arranged on the left side surface and the right side surface of each push plate, the front side surface and the rear side surface of each push plate are respectively attached to the inner side;
the below of rectangular block is equipped with the sun gear that the level was placed, the outside circumference equipartition of sun gear has a plurality of planet wheels, the outside cover of a plurality of planet wheels is equipped with an outer ring gear, the top of a plurality of planet wheels is equipped with a planet carrier of arranging the rectangular block below in, the rotation of planet carrier can drive the rectangular block up-and-down motion, the top of planet carrier is equipped with a friction disk, the up end of friction disk is connected with the rectangular block through the pressure spring, the downstream of rectangular block can drive friction disk extrusion planet carrier, the left and right sides of outer ring gear is equipped with a vertical pivot of placing respectively, the rotation of outer ring gear can drive the pivot and rotate, the rotation of pivot can drive.
The invention has novel concept, ingenious structure and strong practicability, and realizes the interval ordered movement of the push plate and the rectangular block by the matching of the planet carrier of the planetary gear train and the outer gear ring, thereby solving the problems of feed waste and pig disease causing caused by feed accumulation in the dead feeding area of the pig feeding trough.
Drawings
FIG. 1 is a front sectional view of the stem of the present invention when it is not engaged with a through hole.
FIG. 2 is a front sectional view of the stem of the present invention engaged with a through hole.
FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention.
FIG. 4 is a top sectional view of the planetary gear train and its associated transmission components of the present invention.
FIG. 5 is a top view of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from figures 1 to 5, the invention comprises a rectangular groove body 1 with an upward opening end, a rectangular block 2 with a lower end penetrating through the bottom surface of the groove body 1 and capable of moving up and down in the groove body 1 is arranged in the middle of the groove body 1, the front side surface and the rear side surface of the rectangular block 2 are respectively attached to the front inner side surface and the rear inner side surface of the groove body 1, a vertical rod 3 with a lower end penetrating through the bottom surface of the groove body 1 and capable of moving up and down along with the rectangular block 2 is respectively fixed on the left side surface and the right side surface of the rectangular block 2, the upper end of the vertical rod 3 is lower than the upper end surface of the rectangular block 2, a push plate 4 which is vertically arranged and capable of sliding in the groove body 1 is respectively arranged on the left side surface and the right side surface of the vertical rod 3, the bottom surface of each push plate 4 is provided with, the vertical rod 3 moves upwards and can be inserted into the through hole 5 matched with the vertical rod;
the below of rectangular block 2 is equipped with sun gear 6 that the level was placed, the outside circumference equipartition of sun gear 6 has a plurality of planet wheels 7, the outside cover of a plurality of planet wheels 7 is equipped with an outer ring gear 8, the top of a plurality of planet wheels 7 is equipped with a planet carrier 9 of arranging rectangular block 2 below in, the rotation of planet carrier 9 can drive rectangular block 2 up-and-down motion, the top of planet carrier 9 is equipped with a friction disk 10, the up end of friction disk 10 is connected with rectangular block 2 through pressure spring 11, the downward movement of rectangular block 2 can drive friction disk 10 extrusion planet carrier 9, the left and right sides of outer ring gear 8 is equipped with a vertical pivot 12 of placing respectively, the rotation of outer ring gear 8 can drive pivot 12 and rotate, the rotation of pivot 12 can drive its push pedal 4 that corresponds.
In order to realize that the rotation of the external gear ring 8 drives the rotating shaft 12 to rotate, the external gear ring 8 is provided with a first gear 13 which can rotate along with the external gear ring 8, each rotating shaft 12 is provided with a second gear 14 which is meshed with the first gear 13, and the external gear ring 8 drives the rotating shaft 12 to rotate by driving the second gear 14 to rotate through the meshing of the first gear 13.
In order to realize that the rotating shaft 12 can drive the push plates 4 to move, a first threaded rod 15 which is horizontally arranged and penetrates through the side wall of the tank body 1 is arranged on the outer side of each push plate 4, one end of each first threaded rod 15 is fixedly connected with the push plate 4, the other end of each first threaded rod extends out of the tank body 1, a first bevel gear 16 which is rotatably connected to the outer wall of the tank body 1 is sleeved on the part, outside the tank body 1, of each first threaded rod 15, an internal thread which is matched with the first threaded rod 15 is arranged on the inner circular surface of each first bevel gear 16, a second bevel gear 17 which is meshed with the first bevel gear 16 and sleeved on the rotating shaft 12 is arranged below the first bevel gear 16, the rotating shaft 12 drives the first bevel gear, the first threaded rod 15 is driven to rotate by the meshing of the second bevel gear 17 and the first bevel gear 16, so that the first threaded rod 15 pushes the push plate 4 to move back and forth.
Can drive rectangular block 2 up-and-down motion in order to realize planet carrier 9's rotation, be equipped with on planet carrier 9 vertical place and with sun gear 6 coaxial arrangement's second threaded rod 18, be equipped with on rectangular block 2 with second threaded rod 18 coaxial and open end blind hole 19 down, be equipped with in the blind hole 19 with second threaded rod 18 matched with internal thread, through second threaded rod 18 rotation through blind hole 19 rather than inside internal thread drive rectangular block 2 reciprocates.
In order to realize that planet wheel 7 does not deviate from outer ring gear 8 and is outer ring gear 8's fixed, outer ring gear 8's lower terminal surface is installed rather than coaxial annular fender dish 20 of circle, the internal diameter of fender dish 20 is less than the internal diameter of outer ring gear, the below circumference equipartition of fender dish 20 has a plurality of bracing pieces 21, the lower terminal surface of fender dish 20 rotates with a plurality of bracing pieces 21 and is connected and can not break away from, support through bracing piece 21 and keep off dish 20 and realize the fixed of outer ring gear 8, the fender dish 20 block realize simultaneously that planet wheel 7 can not break away from outer ring gear 8 and rotate for planet carrier 9 and upwards promote rectangular block 2 and provide the support.
In order to prevent the compression springs 11 from deforming under the rotation action of the planet carrier 9 when the friction discs 10 are extruded, an extension tube 22 is sleeved in the middle of each compression spring 11, one end of each extension tube 22 is fixedly connected with the friction disc 10, the other end of each extension tube 22 is fixed on the lower bottom surface of the rectangular block 2, and the compression springs 11 are effectively prevented from being driven to deform under the condition that the friction discs 10 have a rotation trend through the arrangement of the extension tubes 22.
In order to realize under the condition that push pedal 4 can laminate with rectangular block 2, montant 3 can insert in the through-hole 5 rather than corresponding, rectangular block 2's the left and right sides is equipped with an open end arc 23 outwards respectively, and montant 3 is arranged in the arc 23 and is not contacted with the cell wall of arc 23, and the bottom and the rectangular block 2 of montant 3 are connected through the connecting block, and every push pedal 4's inboard is equipped with an arc bulge 24 that can laminate mutually with arc 23, and through-hole 5 is seted up on arc bulge 24.
In order to realize the holistic leakproofness of this dress, a inclosed box is arranged in to cell body 1, and the box is stretched out to the open end of cell body 1, and every push pedal 4's the outside is fixed with a level and can follow the apron 25 that moves about push pedal 4, thereby realizes keeping inclosed state when covering cell body 1 after push pedal 4 removes not flourishing fodder through apron 25.
For better driving effect, a stepping motor 26 is arranged on the sun wheel 6.
The specific working process of the invention is as follows: this device sets up according to the pig in different periods when using and throws the appetite and adjust two push pedal 4 apart from the distance between the rectangular block 2 promptly, when two push pedal 4 install the position that is close to rectangular block 2, the fodder that can deliver this moment is less relatively, the fodder that can deliver when two push pedal 4 install the position of keeping away from rectangular block 2 will increase, control installs the distance back of two push pedal 4, according to the number of turns of rotation of distance adjustment step motor 26, make the whole course of motion of completion that step motor 26 can be complete.
The initial condition at this device is that rectangular block 2 moves down to friction disk 10 and planet carrier 9 and closely laminates, the up end of rectangular block 2 this moment is higher than the tank bottom surface, the up end of montant 3 is not higher than 1 bottom surface of cell body and can not break away from with cell body 1 mutually, the distance between rectangular block 2 and the planet carrier 9 can satisfy extrusion pressure spring 11 and the pressure spring 11 that makes extrudees downwards and realize producing sufficient frictional force between friction disk 10 and the planet carrier 9 this moment, and make this frictional force can realize that sun gear 6 rotates and drive planet carrier 9 can not rotate when outer ring gear 8 pivoted through planet gear 7.
At this moment, the stepping motor 26 is turned on, the rotation of the stepping motor 26 drives the sun gear 6 to rotate, the rotation of the sun gear 6 drives the plurality of planetary gears to rotate, at this moment, because the rotation of the planetary carrier 9 is blocked, the planetary carrier 9 is fixed in the process, the planetary gear 7 only can rotate, the planetary gear 7 rotates to drive the outer gear ring 8 to rotate, the rotation of the outer gear ring 8 drives the first gear 13 sleeved on the outer gear ring 8 to rotate, the first gear 13 rotates and is simultaneously meshed with the second gear 14 sleeved on the rotating shaft 12 to rotate, the second gear 14 rotates to realize the rotation of the rotating shaft 12, in order to realize the fixed installation of the rotating shaft 12, the lower end of the rotating shaft 12 is rotatably connected with the box body to meet the necessary supporting relation of the rotating shaft 12, the rotation of the rotating shaft 12 also drives the second bevel gear 17 to rotate, the rotation of the second bevel gear 17 is meshed with the first bevel gear 16 to rotate, the rotation of the first bevel gear 16 enables The first threaded rod 15 moves inwards under the action of the bevel gear 16, and the first threaded rod 15 moves inwards to drive the push plate 4 fixed on the first threaded rod to move towards the rectangular block 2, so that the feed in the tank body 1 is extruded and pushed.
Along with the pushing of the pushing plate 4, the pushing plate 4 gradually approaches the rectangular block 2, in the process, the protruding part at the upper end of the rectangular block 2 blocks the continuous movement of the two pushing plates 4, at this time, the pushing plate 4 still has a forward movement trend, but at this time, the rectangular block 2 cannot realize the movement of the pushing plate 4, so that the rotation of the first threaded rod 15 is blocked, so that the first bevel gear 16, the second bevel gear 17, the rotating shaft 12 and the first gear 13 and the second gear 14 are blocked, and at this time, the outer gear ring 8 cannot rotate, that is, the outer gear ring 8 is fixed.
The epicycloid 8 does not rotate and revolves when planet wheel 7 begins the rotation, planet wheel 7 revolves and drives planet carrier 9 and rotate, planet carrier 9 rotates second threaded rod 18 that drives on the planet carrier 9 and rotates, second threaded rod 18 rotates and realizes the rebound of rectangular block 2 under blind hole 19 and its inside and second threaded rod 18 matched with internal screw thread effect, this in-process realization is fixed montant 3 on rectangular block 2 and is begun to enter into in the through-hole 5 on the protruding piece 24 of arc, and slide in through-hole 5, the rebound of rectangular block 2 promotes the fodder and realizes that push pedal 4 shifts up with the bottom surface of the rectangular frame of cell body 1 formation, thereby accomplish shifting up of rectangular block 2 in step motor 26's the regulation number of turns and accomplish and feed for the pig.
When secondary feeding is needed, the stepping motor 26 is enabled to rotate reversely, at the moment, the stepping motor 26 drives the sun gear 6 to rotate, the sun gear 6 is meshed with the planetary gear to rotate, at the moment, the rectangular block 2 cannot rotate, the vertical rod 3 inserted in the through hole 5 does not exit from the through hole 5, therefore, the push plate 4 cannot move reversely, namely, the outer gear ring 8 cannot rotate the planetary gear, namely, the planetary gear rotates and revolves, the planet carrier 9 rotates reversely, the second threaded rod 8 rotates reversely and moves towards the rectangular block 2, the vertical rod 3 is separated from the through hole 5 gradually in the moving process, when the vertical rod 3 is separated from the through hole 5, the rectangular block 2 moves to the initial position of the device, namely, at the moment, the friction disc 10 extrudes the planet carrier 9 to increase the friction force of the planet carrier 9, once the vertical rod 3 is separated from the through hole 5, the force for binding, the external gear ring 8 starts to rotate reversely, so that the push plate 4 can move reversely, the device can be restored to the initial feeding state under the action of the specific number of turns of the stepping motor 26, and a feeding groove is provided for secondary feeding.
This device has following benefit to traditional pig feed trough:
1. but this device through the installation in the cell body 1 up-and-down motion's rectangular block 2 and the push pedal 4 of the installation of 2 both sides of rectangular block realize that the space that is used for holding the fodder in the cell body 1 can change, thereby the demand of the every meal of different individual pig to the fodder of different volume has been satisfied, simultaneously because the pig fodder is the mash, consequently feeding and be inevitable can make the fodder glue and stick and advance trough curb plate and bottom plate handing-over position, thereby the pig fodder gathers for a long time in these positions and can make the pig fodder deteriorate and lead to the pig to live ill after eating the completion, through the rising of rectangular block 2, make the feed dead angle be lifted last the fodder homoenergetic and licked by the pig and wipe cleanly, thereby realize practicing thrift the fodder, reduce the technological requirement that the pig lives.
2. This device passes through planetary gear's peculiar nature, can realize outer ring gear 8 when planet carrier 9 is fixed and rotate, thereby realize through drive arrangement when outer ring gear 8 rotates that the fodder in the back-and-forth movement of two push pedals 4 is extruded to the centre, when outer ring gear 8 is fixed, planet carrier 9 can realize rotating, thereby realize reciprocating of rectangular block 2, make rectangular block 2 promote the fodder upward movement of intermediate position, in order to satisfy the problem of eliminating the feed dead angle.
3. This device is because the position of adjustable push pedal 4 in cell body 1, consequently, the space that can splendid attire pig feed is adjustable, but rectangular block 2 rises at every turn and descends the height to be certain consequently, after setting up step motor 26 and rotating the number of turns, must be earlier push pedal 4 motion rectangular block 2 at the motion at the in-process that rises, it is needing rectangular block 2 to reset back push pedal 4 and resetting again, consequently, realize through montant 3 and through-hole 5's cooperation when rectangular block 2 rises that outer ring gear 8 can not rotate, accomplish at rectangular block 2 and descend the action after, thereby outer ring gear 8 can rotate and realize that push pedal 4 resets, the requirement of this device has been satisfied.
The invention has novel concept, ingenious structure and strong practicability, and realizes the interval ordered movement of the push plate and the rectangular block by the matching of the planet carrier of the planetary gear train and the outer gear ring, thereby solving the problems of feed waste and pig disease causing caused by feed accumulation in the dead feeding area of the pig feeding trough.
Claims (9)
1. A volume-variable pig feeding trough comprises a rectangular trough body (1) with an upward opening end, and is characterized in that a rectangular block (2) with a lower end penetrating through the bottom surface of the trough body (1) and capable of moving up and down in the trough body (1) is arranged in the middle of the trough body (1), the front side and the rear side of the rectangular block (2) are respectively attached to the front inner side and the rear inner side of the trough body (1), a vertical rod (3) with a lower end penetrating through the bottom surface of the trough body (1) and capable of moving up and down along with the rectangular block (2) is respectively fixed on the left side and the right side of the rectangular block (2), the upper end of the vertical rod (3) is lower than the upper end surface of the rectangular block (2), push plates (4) which are vertically arranged and can slide in the trough body (1) are respectively arranged on the left side and the right side of each push plate (4), the, the bottom surface of each push plate (4) is provided with a through hole (5) matched with the vertical rod (3), and when the push plates (4) move to be matched with the rectangular blocks (2), the vertical rods (3) move upwards and can be inserted into the through holes (5) matched with the vertical rods;
the utility model discloses a solar cell module, including rectangular block (2), the below of rectangular block (2) is equipped with sun gear (6) that the level was placed, the outside circumference equipartition of sun gear (6) has a plurality of planet wheels (7), the outside cover of a plurality of planet wheels (7) is equipped with one and is equipped with outer ring gear (8), the top of a plurality of planet wheels (7) is equipped with one and arranges planet carrier (9) of rectangular block (2) below in, the rotation of planet carrier (9) can drive rectangular block (2) up-and-down motion, the top of planet carrier (9) is equipped with one friction disk (10), the up end of friction disk (10) is connected with rectangular block (2) through pressure spring (11), the downward movement of rectangular block (2) can drive friction disk (10) extrusion planet carrier (9), the left and right sides of outer ring gear (8) is equipped with a vertical pivot (12) of placing respectively, the rotation of outer ring gear (8) can drive pivot (.
2. A variable volume pig feed trough according to claim 1, characterized in that the outer toothed ring (8) is provided with a first gear wheel (13) which follows the rotation of the outer toothed ring (8), and that each shaft (12) is provided with a second gear wheel (14) which meshes with the first gear wheel (13).
3. The variable-volume pig feeding trough according to claim 1, characterized in that a first threaded rod (15) which is horizontally arranged and penetrates through the side wall of the trough body (1) is arranged on the outer side of each push plate (4), one end of each first threaded rod (15) is fixedly connected with the push plate (4), the other end of each first threaded rod extends out of the trough body (1), a first bevel gear (16) which is rotatably connected to the outer wall of the trough body (1) is sleeved on a part of each first threaded rod (15) which is arranged outside the trough body (1), an internal thread which is matched with the first threaded rod (15) is arranged on the inner circular surface of each first bevel gear (16), a second bevel gear (17) which is meshed with the first bevel gear and is sleeved on the rotating shaft (12) is arranged below the first bevel gear (16), the rotating shaft (12) rotates through the second bevel gear (17), and the first bevel gear (16) rotates through the internal.
4. The variable-volume pig feeding trough according to claim 1, characterized in that a second threaded rod (18) which is vertically arranged and coaxially mounted with the sun gear (6) is arranged on the planet carrier (9), a blind hole (19) which is coaxial with the second threaded rod (18) and has a downward opening end is arranged on the rectangular block (2), and an internal thread which is matched with the second threaded rod (18) is arranged in the blind hole (19).
5. The variable-volume pig feed trough according to claim 1, characterized in that the lower end surface of the outer gear ring (8) is provided with a ring-shaped baffle disc (20) coaxial with the outer gear ring, the inner diameter of the baffle disc (20) is smaller than that of the outer gear ring (8), a plurality of support rods (21) are uniformly distributed on the circumference of the lower part of the baffle disc (20), and the lower end surface of the baffle disc (20) is rotatably connected with the support rods (21) and cannot be separated.
6. The volume-variable pig feed trough according to claim 1, characterized in that a telescopic pipe (22) is sleeved in the middle of each pressure spring (11), one end of the telescopic pipe (22) is fixedly connected with the friction disc (10), and the other end is fixed on the lower bottom surface of the rectangular block (2).
7. The variable-volume pig feeding trough according to claim 1, characterized in that the left and right sides of the rectangular block (2) are respectively provided with an arc-shaped groove (23) with an outward opening end, the vertical rod (3) is arranged in the arc-shaped groove (23) and is not contacted with the wall of the arc-shaped groove (23), the bottom of the vertical rod (3) is connected with the rectangular block (2) through a connecting block, the inner side of each push plate (4) is provided with an arc-shaped protruding block (24) which can be attached to the arc-shaped groove (23), and the through hole (5) is formed in the arc-shaped protruding block (24).
8. The variable-volume pig feeding trough according to claim 1, characterized in that the trough body (1) is arranged in a closed box body, the open end of the trough body (1) extends out of the box body, and a cover plate (25) which is horizontal and can move left and right along with the push plates (4) is fixed on the outer side of each push plate (4).
9. A variable volume pig feed trough according to claim 1, characterized in that a stepper motor (26) is mounted on the sun wheel (6).
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| CN201810506278.4A CN108566897B (en) | 2018-05-24 | 2018-05-24 | Changeable pig feed trough of volume |
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| CN201810506278.4A CN108566897B (en) | 2018-05-24 | 2018-05-24 | Changeable pig feed trough of volume |
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| CN108566897B true CN108566897B (en) | 2020-09-29 |
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| CN108739447B (en) * | 2018-05-24 | 2021-01-29 | 山东华邦农牧机械股份有限公司 | Pig feed quantitative supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5961933A (en) * | 1982-10-01 | 1984-04-09 | Hitachi Ltd | Transfer molding apparatus |
| DE3824138A1 (en) * | 1988-07-15 | 1990-01-18 | Siemens Ag | Arrangement for rinsing semi-conductor crystal wafers arranged in trays |
| JP2731575B2 (en) * | 1989-02-23 | 1998-03-25 | ヤマハ発動機株式会社 | Automatic feeding device |
| CN201029358Y (en) * | 2007-05-18 | 2008-03-05 | 王冬雷 | Automatic pet feeding device |
| CN205455189U (en) * | 2016-01-14 | 2016-08-17 | 安徽金寨祥堡生态农业科技开发有限公司 | Pigsty with adjustable |
| CN206879750U (en) * | 2017-06-05 | 2018-01-16 | 安徽恒泰农业发展有限公司 | A kind of general live pig crib |
| CN107494296A (en) * | 2017-08-29 | 2017-12-22 | 许昌市夏昌种畜禽有限公司 | A kind of livestock and poultry feeding trough of adjustable volume |
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