CN107494399A - Fish excrement collection cylinder is used in a kind of fish feed experiment - Google Patents
Fish excrement collection cylinder is used in a kind of fish feed experiment Download PDFInfo
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- CN107494399A CN107494399A CN201710910495.5A CN201710910495A CN107494399A CN 107494399 A CN107494399 A CN 107494399A CN 201710910495 A CN201710910495 A CN 201710910495A CN 107494399 A CN107494399 A CN 107494399A
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- partition panel
- fish
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- collection cylinder
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Classifications
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
Abstract
The present invention relates to fishery testing equipment field, more particularly to a kind of fish feed experiment fish excrement collection cylinder, including fish jar, fish jar include the left part and right part being bonded to each other；The separating mechanism that can be drawn close to the junction of left part and right part is provided with fish jar, separating mechanism is divided into left cut-off portion and right cut-off portion, and both are respectively in left part and right part.The beneficial effects of the invention are as follows：It is reasonable in design, it is simple in construction, fish and fish excrement are slowly separated by the dividing plate of two motions, it is not necessary to fish is separated with breeding environment, and motion process is more gentle, will not be for producing stimulation.It is more simple to collect fish excrement, and can collect in time as needed.By the way that fish excrement is separated into small space, also it is more convenient to carry out fish excrement collection work.
Description
Technical field
The present invention relates to fishery testing equipment field, fish excrement collection cylinder is used in more particularly to a kind of fish feed experiment.
Background technology
At present, feed nutrient is digested and assimilated by receiving excrement method detection animal entirely, so as to further appreciate that animal
Digestibility, instruct the accurate configuration of animal feed formulation to turn into one of major tasks of enterprise and scientific research institutions.Due to water
Animal particularity is produced, collecting dung Comparision is difficult, and common methods there are 3 kinds at present, hindgut extrusion, siphonage and stercoroma dress
Put method.Wherein, hindgut extrusion can avoid nutriment from being lost in water, but frequently seizure experiment fish can cause to answer to fish
Swash reaction, the excrement sample of collection can not represent the excrement discharged under natural situation completely；Siphonage can be collected from water body in time
The excrement that goes out of experiment steck, reduce molten mistake of the nutriment in water body, the digestibility value for making to measure closer to actual value, but
This method takes time and effort the most；Stercoroma installation method can suction out excrement in time, prevent the molten mistake of nutriment, more truly comment
Valency digestibility, but generally speaking operate it is more loaded down with trivial details, or can to experimental animal produce injury.
The content of the invention
In order to solve the problems, such as foregoing invention, the invention provides a kind of experiment of fish feed to use fish excrement collection cylinder.
The present invention proposes a kind of fish feed experiment and uses fish excrement collection cylinder, including fish tank body, the fish tank body bag
Include the left part 1 and right part 2 being bonded to each other；Being provided with fish tank body can be to the cut-off machine that the junction of left part 1 and right part 2 is drawn close
Structure, separating mechanism are divided into left cut-off portion 3 and right cut-off portion 4, and both are respectively in left part 1 and right part 2；Left cut-off portion 3 and the right side
The both sides in cut-off portion 4 are bonded with the inwall of left part 1 and right part 2；
The outside of right part 2 is provided with the governor motion 7 that can adjust the right translational speed of cut-off portion 4.
The outside of discharge outlet 5 sets water valve, and dung collection box and water pump are sequentially connected on the outside of water valve；On dung collection box
Set water inlet and delivery port, delivery port to be connected with water pump, filter screen is set between water inlet and delivery port.
The left cut-off portion 3 includes adjacent partition panel 1 and partition panel 2 320, partition panel 1 and partition panel two
320 fit as water fender；The right cut-off portion 4 is lattice structure, and the bottom of right part 2 sets discharge outlet 5；The cut-off
Mechanism is driven by drive mechanism 6.
Preferably, the right cut-off portion 4 includes the Turbogrid plates 401 for preventing fish from passing through, and the bottom of Turbogrid plates 401 is towards institute
The side for stating left part 1 stretches out and sets shovel dropping-board 402, and shovel dropping-board 402 is horizontally set on the bottom of the Turbogrid plates 401, grid
The top of panel 401 is connected with the drive mechanism 6.
The stop by grid of Turbogrid plates 401, it will be pushed through positioned at the fish of right part 2 in left part 1.
Preferably, the partition panel 1 is located at the right side of the partition panel 2 320, and the partition panel 1 is one
Shape framework, its left side set boss 311, and boss 311 is fixedly connected with partition panel 1 by some fix bars, the cut-off
The bottom of plate 1 sets slurry scraper structure 330；
The partition panel 2 320 is the closing plate body that through hole 321 is left at middle part, and through hole 321 is corresponding with the boss 311；When
When partition panel 1 fits with partition panel 2 320, boss 311 is filled in through hole 321, and the outer surface of boss 311 and through hole
321 inner surface fitting, plays a part of stopping current.
The partition panel 1 is connected with the top of partition panel 2 320 with the drive mechanism 6.
Preferably, the slurry scraper structure 330 includes overhead gage 331 and lower scraping plate 332, and the bottom of overhead gage 331 is scraped with
The top of plate 332 is hinged, and its hinged place is provided with torsion spring, and the two bottom sides of lower scraping plate 332 and the bottom of the partition panel 1 are cut with scissors
Connect, slotted eye 333 is vertically arranged on the two side of partition panel 1, the both sides of overhead gage 331 are spacing in slotted eye by quarter butt
In 333.
Overhead gage 331 and lower scraping plate 332 its nature under torsion spring effect be to the left side of partition panel 1, that is,
The direction of partition panel 2 320, which protrudes, to be folded, and now the quarter butt of the both sides of overhead gage 331 is located at the bottom of slotted eye 333.
The quarter butt of the both sides of overhead gage 331 is arranged on the middle and upper part of its both sides.Also reserve some plate in quarter butt top
Body, its object is to when partition panel 1 is bonded with partition panel 2 320, under the push effect of partition panel two, overhead gage
331 is big with the angle change of lower scraping plate 332, and the quarter butt of the both sides of overhead gage 331 moves upwards along slotted eye 333, ensures slurry scraper with this
Structure will not take excessive space.In addition, using such a folding structure, when slurry scraper structure expansion, can effectively prevent
Only fish faeces are deposited on the top of overhead gage 331, and the plate body reserved by its top, can be with plus the angle of its own
Barrier effect effectively is played to fish, prevents fish from entering the rear side of overhead gage 311 after expansion.When division board 1 and isolation
When plate 2 320 separates, in the presence of torsion spring, overhead gage 331 and lower scraping plate 332 reply folded state, the right flank of lower scraping plate 332
With the angle of the bottom surface of left part 1 into obtuse angle.
Overhead gage 331 is connected with the side of lower scraping plate 332 by soft material with the frame part of partition panel 1, such as
Plastic cloth etc., its role is to when slurry scraper structure 330 moves, avoid fish excrement from overhead gage 331 and the angle of lower scraping plate 332
Flowed away downstream in gap.
Preferably, the drive mechanism 6 includes being horizontally set on the slide bar 601 of left part 1 and right part 2 side, and water
The flat screw body for being arranged on opposite side, the left cut-off portion 3 and right cut-off portion 4 are moved by slide bar 601 and screw body.
Preferably, the screw body includes left screw 602 and right screw 603, the Turbogrid plates 401, partition panel one
310th, the top of partition panel 2 320 is respectively arranged with fixed block 604, and fixed block 604 slides with the slide bar 601 of side respectively to be connected
Connect, be threadedly coupled with the left screw 602, right screw 603；Differential mechanism is set between the left screw 602 and right screw 603
605, left screw 602 and right screw 603 are driven by differential mechanism 605 by motor；
The optional common automobile using differential mechanism of differential mechanism 605, a cone fluted disc is driven to move by bevel gear by motor output shaft, from
And slow down and drive the screw mandrel of side to rotate, and also rotated by the screw mandrel of the dynamic opposite side of bevel gear set crossed belt.
By adjusting the hand of spiral of left and right screw mandrel or the hand of spiral of fixed block 604, can make partition panel 1, every
Disconnected plate 2 320 and the relative motion of Turbogrid plates 401.
The both ends of left screw 602 are smooth shaft, middle part is threaded rod, the partition panel 1, partition panel 2 320
Connected between the fixed block 604 that top is set by steel wire rope.
The lateral surface of the fixed block 604 is vertically arranged baffle plate 606.Baffle plate 606 helps to prevent wirerope-winding on a left side
On screw mandrel 602.
Preferably, the volume in the right part 2 is less than or equal to 1/3rd of fish tank body overall volume.
Preferably, the bottom surface of right part 2 is less than the bottom surface of the left part 1, and the left part 1 sets recessed with the junction of right part 2
Groove, when the Turbogrid plates 401 are moved to the left part 1 and 2 junction of right part, the shovel dropping-board 402 extends to the left part 1
Groove in.
The lower surface of shovel dropping-board 402 is bonded with the bottom surface of right part 2, and the upper level of shovel dropping-board 402 is less than left part 1
Floor height.
Preferably, the middle part of shovel dropping-board 402 is swelled, and the left and right sides is inclined-plane.
Preferably, the right-hand end of the right screw 603 interts in the governor motion 7, and the governor motion 7 includes setting
The arc rubber blanket in the outside of right screw 603 is put, connects the knob of governor motion 7 on the outside of rubber blanket by screw rod.Pass through
Turning knob adjusts frictional force of the rubber blanket to the right screw 603 on the inside of it, and the translational speed in right cut-off portion 4 is controlled with this,
According to being actually needed, it is set more reasonably to coordinate the stroke in left cut-off portion 3.Because the use of differential mechanism 605, make left and right screw mandrel
Can be not in problem with normal operation under this adjustment mode.
The beneficial effect of the embodiment of the present invention is：It is reasonable in design, it is simple in construction, by the dividing plates of two motions by fish and fish
Excrement is slowly separated, it is not necessary to and fish is separated with breeding environment, and motion process is more gentle, will not be for producing thorn
Swash.It is more simple to collect fish excrement, and can collect in time as needed.By the way that fish excrement is separated into small space, also it is more convenient
Carry out fish excrement collection work.
Brief description of the drawings
Fig. 1 is the overall structure stereogram of the embodiment of the present invention.
Fig. 2 is the hiding cylinder body view of the embodiment of the present invention.
Fig. 3 is Fig. 2 A partial enlarged drawings.
Wherein, reference is, 1, left part；2nd, right part；3rd, left cut-off portion；310th, partition panel one；311st, boss；320th, partition panel
Two；321st, through hole；330th, slurry scraper structure；331st, overhead gage；332nd, lower scraping plate；333rd, slotted eye；4th, right cut-off portion；401st, grid
Plate；402nd, shovel dropping-board；5th, discharge outlet；6th, drive mechanism；601st, slide bar；602nd, left screw；603rd, right screw；604th, fixed block；
605th, differential mechanism；606th, baffle plate；7th, governor motion.
Embodiment
Embodiment 1
Referring to Fig. 1 to Fig. 3, the present invention has been provided as solving the problems, such as foregoing invention, and the invention provides a kind of experiment of fish feed
With fish excrement collection cylinder.
The present invention proposes a kind of fish feed experiment and uses fish excrement collection cylinder, including fish tank body, fish tank body to include phase
The left part 1 being mutually bonded and right part 2；The separating mechanism that can be drawn close to the junction of left part 1 and right part 2 is provided with fish tank body,
Separating mechanism is divided into left cut-off portion 3 and right cut-off portion 4, and both are respectively in left part 1 and right part 2；Left cut-off portion 3 and right cut-off
The both sides in portion 4 are bonded with the inwall of left part 1 and right part 2；
The outside of right part 2 is provided with the governor motion 7 that can adjust the right translational speed of cut-off portion 4.
The outside of discharge outlet 5 sets water valve, and dung collection box and water pump are sequentially connected on the outside of water valve；Set on dung collection box
Water inlet and delivery port, delivery port are connected with water pump, and filter screen is set between water inlet and delivery port.
Left cut-off portion 3 includes adjacent partition panel 1 and partition panel 2 320, partition panel 1 and partition panel 2 320
Fitting turns into water fender；Right cut-off portion 4 is lattice structure, and the bottom of right part 2 sets discharge outlet 5；Separating mechanism is by drive mechanism 6
Driving.
Right cut-off portion 4 includes the Turbogrid plates 401 for preventing fish from passing through, and the bottom of Turbogrid plates 401 is one lateral towards left part 1
Extended shovel dropping-board 402 outside, shovel dropping-board 402 are horizontally set on the bottom of Turbogrid plates 401, the top of Turbogrid plates 401 and driving machine
Structure 6 connects.
The stop by grid of Turbogrid plates 401, it will be pushed through positioned at the fish of right part 2 in left part 1.
Partition panel 1 is located at the right side of partition panel 2 320, and partition panel 1 is a door-shaped frame, and its left side sets convex
Platform 311, boss 311 are fixedly connected with partition panel 1 by some fix bars, and the bottom of partition panel 1 sets slurry scraper structure
330；
Partition panel 2 320 is the closing plate body that through hole 321 is left at middle part, and through hole 321 is corresponding with boss 311；When partition panel one
310 with partition panel 2 320 when being fitted, and boss 311 is filled in through hole 321, and the outer surface of boss 311 and through hole 321 is interior
Surface is bonded, and plays a part of stopping current.
Partition panel 1 is connected with the top of partition panel 2 320 with drive mechanism 6.
The periphery of boss 311 sets sealing ring.
Slurry scraper structure 330 includes overhead gage 331 and lower scraping plate 332, the bottom of overhead gage 331 and the top of lower scraping plate 332
Be hinged, its hinged place is provided with torsion spring, and the two bottom sides of lower scraping plate 332 and the bottom of partition panel 1 are hinged, partition panel 1
Two side on be vertically arranged slotted eye 333, the both sides of overhead gage 331 are spacing in slotted eye 333 by quarter butt.
The quarter butt of the both sides of overhead gage 331 is arranged on the middle and upper part of its both sides.
Drive mechanism 6 includes being horizontally set on left part 1 and the slide bar 601 of the side of right part 2, and is horizontally set on opposite side
Screw body, left cut-off portion 3 and right cut-off portion 4 are moved by slide bar 601 and screw body.
Screw body includes left screw 602 and right screw 603, and Turbogrid plates 401, partition panel 1, partition panel 2 320 push up
Portion is respectively arranged with fixed block 604, and fixed block 604 is slidably connected with the slide bar 601 of side respectively, with left screw 602, right screw
603 threaded connections；Differential mechanism 605 is set between left screw 602 and right screw 603, left silk is driven by differential mechanism 605 by motor
Bar 602 and right screw 603；
By adjusting the hand of spiral of left and right screw mandrel or the hand of spiral of fixed block 604, partition panel 1, partition panel can be made
2 320 with the relative motion of Turbogrid plates 401.
The both ends of left screw 602 are smooth shaft, and middle part is threaded rod, and partition panel 1, the top of partition panel 2 320 are set
Fixed block 604 between connected by steel wire rope.
The lateral surface of fixed block 604 is vertically arranged baffle plate 606.Baffle plate 606 helps to prevent wirerope-winding in left screw
On 602.
Volume in right part 2 is less than or equal to 1/3rd of fish tank body overall volume.
The bottom surface of right part 2 is less than the bottom surface of left part 1, and left part 1 sets groove with the junction of right part 2, when Turbogrid plates 401 are moved to
During 2 junction of left part 1 and right part, shovel dropping-board 402 is extended in the groove of left part 1.
The lower surface of shovel dropping-board 402 is bonded with the bottom surface of right part 2, and the upper level of shovel dropping-board 402 is less than the bottom surface of left part 1
Highly.
The middle part of shovel dropping-board 402 is swelled, and the left and right sides is inclined-plane.
The course of work of this experimental apparatus is that fish jar original state is the left side that left cut-off portion 3 and right cut-off portion 4 are located at fish jar respectively
Right both sides.Fish is in middle part freely activity.When needing to collect fish excrement, operated by motor driven differential mechanism 605, differential mechanism 605
Half is divided to carry out power output, in the presence of the screw mandrel of left and right, left cut-off portion 3 and right cut-off portion to left screw 602 and right screw 603
4 close up to the junction of left part 1 and right part 2.In the process, fish advances into left part 1 under the influence of right cut-off portion 4, and
Because itself is lattice-shaped, and shovel dropping-board has inclined-plane in itself, and fish excrement can stay in right part 2 in the presence of current.And fish
Because its own characteristic, during being moved in right cut-off portion 4, moved automatically to left part 1.
It is left side wall that partition panel 2 320 is close to left part 1 that left cut-off portion 3, which is divided to for two part original states, partition panel one
310 are bonded with partition panel 2 320.Now the fixed block 604 on partition panel 2 320 is connected with the smooth part of left screw 602, and
Fixed block 604 on partition panel 1 is connected with the threaded portion of left screw 602.In the presence of left screw 602, partition panel
One 310 move to the direction of right part 2 first, when it moves to certain stroke, by rope traction partition panel 2 320, make
Fixed block 604 thereon is threadedly coupled with the threaded portion of left screw 602, then in the presence of left screw 602 it is synchronous to the right
Move side.Fish enters the part in the left side of partition panel 2 320 by the through hole 321 of partition panel 2 320 in this process.Work as partition panel
One 310 when moving to the threaded portion end on the right side of left screw 602, its stop motion, then in the presence of partition panel 2 320
It is slightly extruded to the right, it is reached the junction of left part 1 and right part 2, in this motion process, under partition panel 1
Fish excrement in left part 1 is pushed into the junction of left part 1 and right part 2 by the slurry scraper structure 330 of side.The boss 311 of partition panel 1 is inserted
Enter into the through hole 321 of partition panel 2 320.Play a part of blocking current.After current separate, it can be obtained from right part 2
Fish excrement.Because the inner space of right part 2 is small, no matter fish excrement is obtained from right part 2 in which way, both relative to traditional approach
For it is simply more.
Embodiment 2
On the basis of embodiment 1, the outside of right part 2 is provided with the governor motion 7 that can adjust the right translational speed of cut-off portion 4.
The right-hand end of right screw 603 interts in governor motion 7, and governor motion 7 includes being arranged on the outside of right screw 603
Arc rubber blanket, rubber blanket outside connect the knob of governor motion 7 by screw rod.Rubber blanket is adjusted in it by turning knob
The frictional force of the right screw 603 of side, control the translational speed in right cut-off portion 4, according to being actually needed, make it more reasonable with this
The left cut-off portion 3 of cooperation stroke.Because the use of differential mechanism 605, make left and right screw mandrel can be normal under this adjustment mode
Operation is not in problem.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (9)
1. fish excrement collection cylinder, including fish tank body are used in a kind of fish feed experiment, it is characterised in that the fish tank body includes phase
The left part being mutually bonded（1）With right part（2）；Being provided with fish tank body can be to left part（1）And right part（2）Junction draw close every
Breaking mechanism, separating mechanism are divided into left cut-off portion（3）With right cut-off portion（4）, both are located at left part respectively（1）And right part（2）It is interior；
The left cut-off portion（3）Including adjacent partition panel one（310）And partition panel two（320）, partition panel one（310）And cut-off
Plate two（320）Fitting turns into water fender；The right cut-off portion（4）For lattice structure, the right part（2）Bottom sets discharge outlet
（5）；The separating mechanism is by drive mechanism（6）Driving；
The right part（2）Bottom surface is less than the left part（1）Bottom surface；
The right part（2）Outside, which is provided with, can adjust the right cut-off portion（4）The governor motion of translational speed（7）;
The discharge outlet（5）Outside sets water valve, and dung collection box and water pump are sequentially connected on the outside of water valve；Set on dung collection box
Water inlet and delivery port are put, delivery port is connected with water pump, and filter screen is set between water inlet and delivery port.
2. fish excrement collection cylinder is used in fish feed experiment according to claim 1, it is characterised in that the right cut-off portion（4）
Include the Turbogrid plates for preventing fish from passing through（401）, Turbogrid plates（401）Bottom is towards the left part（1）Side stretch out
Shovel dropping-board is set（402）, shovel dropping-board（402）It is horizontally set on the Turbogrid plates（401）Bottom, Turbogrid plates（401）Top with
The drive mechanism（6）Connection.
3. fish excrement collection cylinder is used in fish feed experiment according to claim 1, it is characterised in that the partition panel one
（310）Positioned at the partition panel two（320）Right side, the partition panel one（310）For a door-shaped frame, its left side sets boss
（311）, boss（311）With partition panel one（310）It is fixedly connected by some fix bars, the partition panel one（310）Bottom is set
Put slurry scraper structure（330）；
The partition panel two（320）Through hole is left for middle part（321）Closing plate body, through hole（321）With the boss（311）Phase
It is corresponding；
The partition panel one（310）With partition panel two（320）Top with the drive mechanism（6）Connection.
4. fish excrement collection cylinder is used in fish feed experiment according to claim 3, it is characterised in that the slurry scraper structure
（330）Including overhead gage（331）With lower scraping plate（332）, overhead gage（331）Bottom and lower scraping plate（332）Top be hinged, its
Hinged place is provided with torsion spring, lower scraping plate（332）Two bottom sides and the partition panel one（310）Bottom be hinged, partition panel one
（310）Two side on be vertically arranged slotted eye（333）, the overhead gage（331）Both sides are spacing in slotted eye by quarter butt（333）
In.
5. fish excrement collection cylinder is used in fish feed experiment according to claim 1, it is characterised in that the drive mechanism（6）
Including being horizontally set on the left part（1）And right part（2）The slide bar of side（601）, and it is horizontally set on the screw mandrel machine of opposite side
Structure, the left cut-off portion（3）With right cut-off portion（4）Pass through slide bar（601）And screw body motion.
6. fish excrement collection cylinder is used in fish feed experiment according to claim 2, it is characterised in that the partition panel one
（310）Positioned at the partition panel two（320）Right side, the partition panel one（310）For a door-shaped frame, its left side sets boss
（311）, boss（311）With partition panel one（310）It is fixedly connected by some fix bars, the partition panel one（310）Bottom is set
Put slurry scraper structure（330）；
The partition panel two（320）Through hole is left for middle part（321）Closing plate body, through hole（321）With the boss（311）Phase
It is corresponding；
The partition panel one（310）With partition panel two（320）Top with the drive mechanism（6）Connection.
7. fish excrement collection cylinder is used in fish feed experiment according to claim 6, it is characterised in that the slurry scraper structure
（330）Including overhead gage（331）With lower scraping plate（332）, overhead gage（331）Bottom and lower scraping plate（332）Top be hinged, its
Hinged place is provided with torsion spring, lower scraping plate（332）Two bottom sides and the partition panel one（310）Bottom be hinged, partition panel one
（310）Two side on be vertically arranged slotted eye（333）, the overhead gage（331）Both sides are spacing in slotted eye by quarter butt（333）
In.
8. fish excrement collection cylinder is used in fish feed experiment according to claim 7, it is characterised in that the drive mechanism（6）
Including being horizontally set on the left part（1）And right part（2）Slide bar above side（601）, and it is horizontally set on the left part（1）
And right part（2）Screw body above opposite side, the left cut-off portion（3）With right cut-off portion（4）Pass through slide bar（601）And screw mandrel
Mechanism kinematic；
The screw body includes left screw（602）With right screw（603）, the Turbogrid plates（401）, partition panel one（310）, every
Disconnected plate two（320）Top is respectively arranged with fixed block（604）, fixed block（604）Respectively with the slide bar of side（601）Slide
Connection, with the left screw（602）, right screw（603）Threaded connection；The left screw（602）With right screw（603）Between set
Put differential mechanism（605）, differential mechanism is passed through by motor（605）Drive left screw（602）And right screw（603）；
The left screw（602）Both ends are smooth shaft, and middle part is threaded rod, the partition panel one（310）, partition panel two（320）
Top set the fixed block（604）Between connected by steel wire rope.
9. fish excrement collection cylinder is used in the fish feed experiment according to claim 1-8, it is characterised in that the right screw
（603）Right-hand end intert into the governor motion（7）It is interior, the governor motion（7）Including being arranged on the right screw（603）
The arc rubber blanket in outside, rubber blanket outside connect governor motion by screw rod（7）Knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710910495.5A CN107494399A (en) | 2017-09-29 | 2017-09-29 | Fish excrement collection cylinder is used in a kind of fish feed experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710910495.5A CN107494399A (en) | 2017-09-29 | 2017-09-29 | Fish excrement collection cylinder is used in a kind of fish feed experiment |
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| CN107494399A true CN107494399A (en) | 2017-12-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192803A (en) * | 2018-01-26 | 2018-06-22 | 陈勇 | A kind of clean type feed fermentation tank |
| CN108192805A (en) * | 2018-01-26 | 2018-06-22 | 陈勇 | A kind of noresidue feed fermentation tank |
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| CN108192805A (en) * | 2018-01-26 | 2018-06-22 | 陈勇 | A kind of noresidue feed fermentation tank |
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Application publication date: 20171222 |