CN212116731U - Improve breeding device of quasipaa spinosa tadpole metamorphosis rate - Google Patents

Abstract

The utility model discloses an improve breeding device of quasipaa spinosa tadpole metamorphosis rate, including box, string bag installation component, box upper end opening, its internally mounted has froglet place the platform, the longitudinal section of froglet place the platform is right trapezoid shape, its two right-angle sides respectively with box inside wall and interior bottom contact, string bag installation component places inside the box, string bag installation component internally mounted has the string bag, and the inside formation tadpole of string bag grows regionally, and tadpole growth region covers the top region of bottom half and froglet place, elevating gear is installed to the box lateral wall, elevating gear is connected with string bag installation component for it goes up and down to drive string bag installation component. The utility model discloses convenient to use can promote string bag installation component when disinfecting breeding the case to through the string bag under the condition that does not harm the tadpole, remove the tadpole, guarantee the health of quasipaa spinosa tadpole breeding environment, thereby realize improving the purpose of the metamorphosis rate of quasipaa spinosa tadpole.

Description

Improve breeding device of quasipaa spinosa tadpole metamorphosis rate

Technical Field

The utility model relates to a quasipaa spinosa breeding technical field, concretely relates to improve breeding device of quasipaa spinosa tadpole metamorphosis rate.

Background

The quasipaa spinosa is a unique amphibian in China, belongs to amphibia, anomala, frogaceae and rana in taxonomy, is large in size, tender in meat quality, delicious in taste, has various effects of cooling and nourishing, strengthening liver and stomach, preventing and resisting cancers and the like, has both delicious food and medicinal value, and is a prime name of 'the king of the quasipaa spinosa'. With the continuous improvement of the living standard of people at present, the demand for clothes eating and housing becomes larger and larger, the rana spinosa gradually walks into the visual field of people, the rana spinosa is very popular in domestic and international markets, and the variety is still short of supply.

At present, the quasipaa spinosa is mainly cultured by field catching and local culturing, scientific seed selection is lacked, breeding parent groups are too small, parents are repeatedly used for many times, and close breeding causes serious germplasm degradation of the quasipaa spinosa, so that the quasipaa spinosa has poor disease resistance, poor environmental adaptability, slow growth and the like, in addition, the quasipaa spinosa tadpole is subjected to seedling emergence and metamorphosis, the tadpole and the metamorphosis quasipaa spinosa die greatly due to poor environmental control or unsatisfied nutritional conditions, and the ultimate result is that the quasipaa spinosa culture survival rate is always below 30%, which seriously influences the culture benefit of the quasipaa spinosa and restricts the popularization and culture of the quasipaa spinosa.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the existing rana spinosa tadpoles are greatly dead and low in metamorphosis rate due to unsanitary living environment in the metamorphosis period. The cultivation device for improving the metamorphosis rate of the rana spinosa tadpoles is provided, the net bag installation assembly is arranged, so that the cultivation device for the rana spinosa tadpoles is more convenient to change water and sterilize, the tadpoles are not damaged when the tadpoles are moved, and the purpose of improving the metamorphosis rate of the rana spinosa tadpoles is achieved.

The utility model discloses a following technical scheme realizes:

the utility model provides an improve breeding device of quasipaa spinosa tadpole metamorphosis rate, includes box, string bag installation component, box upper end opening, its internally mounted has froglet place platform, the longitudinal section of froglet place platform is right trapezoid shape, its two right-angle sides respectively with box inside wall and interior bottom contact, string bag installation component places inside the box, string bag installation component internally mounted has the string bag, and the inside tadpole that forms of string bag grows regionally, and tadpole growth region covers the top region of box bottom and froglet place platform, elevating gear is installed to the box lateral wall, elevating gear is connected with string bag installation component for drive string bag installation component goes up and down.

The traditional breeding pond for breeding the tadpoles of the rana spinosa is usually a cement pond or a soil pond, the size of the breeding pond is usually 5-20 square meters, the depth of the pond is 0.8-1 meter, the water depth is 20-30 cm, and the breeding pond is provided with a water inlet hole, a water drain hole and an overflow hole, when the tadpoles are bred, water can be changed through the water inlet hole and the water drain hole, but the breeding of the tadpoles of the rana spinosa has high requirement on the environment, the water needs to be changed after feeding every time, the breeding pond needs to be disinfected every 10-15 days, and the traditional breeding pond is large in size, so that the tadpoles are inconvenient to salvage before disinfecting the pond body, the breeding pond of the tadpoles of the rana spinosa tadpoles is usually not disinfected, or the tadpoles are not salvaged, and disinfectant with low toxicity is directly put into the breeding pond, so that the metamorphosis rate of the tadpoles is greatly reduced due to the sanitary condition of the breeding pond. In order to solve the problems, the utility model provides a breeding device for improving the metamorphosis rate of rana spinosa tadpoles, which is characterized in that a string bag installation component is arranged in a box body, a string bag is installed in the string bag installation component, the rana spinosa tadpoles are bred in the string bag, and when water is changed, water can be directly drained and filled in a breeding box; when the box body is disinfected, the net bag mounting assembly is lifted by the lifting device, a breeding person can lift the net bag placed in the net bag mounting assembly, then tadpoles of the net bag are placed in the container filled with clean water, the net bag mounting assembly is lowered into the breeding box by the lifting device, the breeding person adds disinfectant into the breeding box to soak and disinfect the interior of the box body and the net bag mounting assembly, after disinfection is finished, the net bag mounting assembly is lifted to the net bag mounting assembly after the net bag mounting assembly is cleaned, a clean net bag is mounted, and the tadpoles are poured into the net bag for breeding; the breeding device is convenient for water exchange and disinfection of a tadpole breeding environment, and is convenient when the tadpoles are moved, the skin of the tadpoles cannot be damaged, the tadpoles cannot be injured, and the suffering of the tadpoles is avoided, so that the metamorphosis rate of the tadpoles of rana spinosa is reduced.

Further, the string bag mounting assembly comprises a first positioning frame, a second positioning frame, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first positioning frame and the second positioning frame are both rectangular frames, the top of the first positioning frame and the top of the second positioning frame are positioned on the same horizontal plane, the side surface of the first positioning frame is opposite to the side surface of the second positioning frame, one end of the first connecting rod and one end of the second connecting rod are connected with the rod which is positioned at the top of the first positioning frame and is closest to the top of the second positioning frame, the other end of the first connecting rod and the other end of the second connecting rod are connected with the rod which is positioned at the top of the second positioning frame and is closest to the top of the first positioning frame, one end of the third connecting rod and one end of the fourth connecting rod are connected with the rod which is positioned at the bottom of the first positioning frame and is closest to the bottom of the second positioning frame, and the other end of the third connecting rod and the, the string bag bottom is fixed on each pole of bottom in the string bag installation component, string bag open-top to fix on each peripheral pole in string bag installation component top. String bag installation component comprises different frame connection, can place in the box when using, the string bag that is equipped with the quasipaa spinosa tadpole is installed inside string bag installation component, the frame of accessible string bag installation component is fixed, leave certain space for the tadpole and move about, grow, if do not have string bag installation component to fix the string bag, and directly install the string bag inside the box, can cause the tadpole to move about the space unfixed in the growth process, the bottom string bag stirs into a group, can only breed the condition of the less tadpole of figure.

Furthermore, the bottom of the first positioning frame is attached to the platform of the froglet placing table, the bottom of the second positioning frame is attached to the bottom of the box body, the height of the first positioning frame is smaller than that of the second positioning frame, and the included angle between the third connecting rod and the horizontal plane and the included angle between the inclined side wall of the froglet placing table and the horizontal plane are consistent. The platform laminating of platform is settled with the froglet to the first locating frame bottom of string bag installation component, the second locating frame bottom and the bottom half laminating of string bag installation component, and the third connecting rod, the lateral wall that the platform slope was settled to the fourth connecting rod for the contained angle of horizontal plane and froglet is unanimous, set up string bag installation component like this, can make inside the string bag installation component laminating box completely, make the tadpole accomplish the abnormal state, breathe the back with the gill, can jump the platform of platform is settled to the froglet and breathe, prevent that the froglet from being drowned, thereby improve the abnormal rate of froglet chest tadpole.

Furthermore, the connection parts of the first connecting rod, the second connecting rod and the first positioning frame top rod piece are respectively located at the end parts at two ends of the rod piece, the connection parts of the first connecting rod, the second connecting rod and the second positioning frame top rod piece are respectively located at the end parts at two ends of the rod piece, the first connecting rod is parallel to the second connecting rod, the connection parts of the third connecting rod, the fourth connecting rod and the first positioning frame bottom rod piece are respectively located at the end parts at two ends of the rod piece, the connection parts of the third connecting rod, the fourth connecting rod and the second positioning frame bottom rod piece are respectively located at the end parts at two ends of the rod piece, and the third connecting rod is parallel to the fourth connecting rod. The bottom of first locating frame and second locating frame is connected apart from the nearest and relative extreme point of two poles, in addition, is connected the top of first locating frame and second locating frame apart from the nearest and relative extreme point of two poles, can make the shape at string bag installation component's top more regular, makes the personnel of breeding install the string bag, pour into the tadpole more convenient.

Furthermore, the four side surfaces and the bottom surface of the net bag mounting component are provided with the gauze. The top of string bag installation component does not install the string is for making the breeder easy to assemble the string bag, four sides and the bottom installation string of string bag installation component, make the breeder behind string bag installation component internally mounted string bag, the string bag can laminate the inside of string bag installation component more, can not make the string bag fly inside the box because of not having blockking of string, make the space increase of breeding tadpole, and after mentioning string bag installation component, the string bag can not fall away through the space between each pole, prevent when the string bag of taking, the tadpole is damaged.

Further, elevating gear includes first gear, chain, second gear, motor, slider, lifter, first gear and second gear are installed in the box outside perpendicularly, the second gear is located first gear under, the output of motor is connected with the pivot of first gear, first gear passes through the chain and is connected with the second gear, the slider is installed in the chain outside, the lower extreme of lifter is installed in the slider top, the upper end and the top of string bag installation component of lifter are connected, elevating gear and guide way are all installed to two relative lateral walls of box, the guide way leads for elevating gear's lift. When the net bag mounting assembly is lifted, only the motor needs to be turned on, the motor drives the first gear to rotate, when the first gear rotates, the chain drives the second gear to rotate in the same direction, the sliding block is mounted outside the chain, when the gear rotates, the chain rises or falls so as to drive the sliding block to rise or fall, a lifting rod is mounted above the sliding block, the lifting rod is mounted in the guide groove and connected to the top of the first positioning frame of the net bag mounting assembly, and when the sliding block rises or falls, the lifting rod is driven to rise or fall in the guide groove so as to enable the net bag mounting assembly to rise or fall; the net bag mounting assembly is adjusted to lift through the lifting device, so that when a breeding person disinfects the breeding box, the net bag mounting assembly can be lifted firstly, the net bag is taken, tadpoles in the net bag are moved to the container filled with clean water, and then other steps of disinfection are carried out; if the net bag mounting assembly is not lifted, water in the breeding box is drained completely, then the net bag is collected, and the tadpoles are moved, so that the tadpoles are frightened for a long time by operation and are not beneficial to the growth of the tadpoles, and moreover, when the net bag is replaced by a breeding worker, the breeding worker needs to bend down to operate in the breeding box, and the waist of the breeding worker can be damaged by long-time bending operation; however, the net bag mounting assembly is directly lifted, the net bag is collected, the tadpoles are moved, the tadpoles can be placed in other containers in a short time, the tadpoles are not frightened for a long time, the growth of the tadpoles is facilitated, and the net bag mounting assembly can be lifted to a proper height by a farmer to replace the net bag, so that the operation is more labor-saving and convenient; in addition, the breeding box and the net bag mounting assembly are thoroughly cleaned after each batch of tadpoles are bred, and the net bag mounting assembly can be conveniently cleaned up inside the box body and the net bag mounting assembly after the net bag mounting assembly is lifted up, so that the breeding box is cleaned up more thoroughly.

Furthermore, the inclined side wall of the froglet placing table and the horizontal plane form an included angle of 30-60 degrees. After the metamorphosis of quasipaa tadpole is completed, the slope of the young frog placing table can climb to the upper portion of the platform to prevent the quasipaa tadpole from being drowned by water, when the slope is smaller than 30 degrees, the long young frog placing table needs to be arranged to reach the set height, so that the waste of manufacturing materials is caused, when the slope is larger than 60 degrees, the slope is arranged steeply, so that the young frog can not climb to the platform conveniently, the young frog can not climb to the upper portion of the platform to be drowned by water, and the metamorphosis rate of the quasipaa tadpole is reduced.

Furthermore, the inclined side wall of the froglet placing table and the horizontal plane form an included angle of 45 degrees. The slope of the froglet placing table is set to be 45 degrees, so that the froglet after metamorphosis can easily climb onto the platform, and manufacturing materials are not wasted when the set slope reaches the set height.

Furthermore, a water outlet is arranged at the bottom of the outer portion of one side, away from the froglet placing table, of the box body, an overflow opening is arranged above the water outlet, and a water inlet is arranged above the overflow opening. When water is changed for the rana spinosa tadpoles, the water in the culture tank can be drained only by opening the water outlet, so that water drainage is convenient for culture personnel; after the water in the box body is emptied by the cultivation personnel through the water outlet, the water can be discharged from the cultivation box through the water inlet, the cultivation personnel do not need to pour water into the box body, and the water changing operation is convenient; after the excessive water is injected into the tank body, the excessive water can be discharged through the overflow port, so that the tank body is kept at a set level.

Furthermore, the height of the overflow opening is lower than that of the frog placing table. The mounting height of gap is no longer than the height of platform is settled to the froglet, and when the breed personnel carried out the water injection to breeding the case, when the water that adds exceeded the height of gap, unnecessary water can flow from the gap, prevents that the water level from exceeding the froglet and settles the platform, when making the polliwog metamorphosis become the froglet, can wait safely on the platform of platform is settled to the froglet, can not drown because of the water level height.

To sum up, the utility model discloses following beneficial effect has:

(1) the utility model discloses a string bag installation component and string bag that set up the liftable make things convenient for the personnel of breeding to shift the tadpole before breeding the case disinfection, and do not injure the skin of tadpole at the in-process of taking, make the disinfection process simple and convenient, quick, can realize changing water, disinfecting to frog tadpole breed case in appointed time quantum, guarantee the health of frog tadpole breeding environment to improve the metamorphosis rate of frog tadpole.

(2) The utility model discloses a set up froglet platform of placeeing in the box, make the tadpole climb to its platform on accomplishing the lateral wall of metamorphosis back accessible froglet platform of placeeing, prevent that the froglet from being drowned in aqueous to reduce the mortality of froglet.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of a partial cross-section of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the net mounting assembly of FIG. 1;

fig. 3 is a right side view of fig. 1.

Reference numbers and corresponding part names in the drawings:

the method comprises the following steps of 1-a box body, 2-a froglet placing table, 3-a string bag installation component, 4-a lifting device, 5-a water outlet, 6-a water overflow port, 7-a water inlet, 8-a first positioning frame, 9-a second positioning frame, 10-a first connecting rod, 11-a second connecting rod, 12-a third connecting rod, 13-a fourth connecting rod, 14-a first gear, 15-a chain, 16-a second gear, 17-a sliding block, 18-a guide groove and 19-a lifting rod.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

As shown in fig. 1 to 3, the breeding device for improving the metamorphosis rate of rana spinosa tadpoles comprises a box body 1 and a string bag installation assembly 3, wherein the box body 1 is open at the upper end, a froglet placing table 2 is installed inside the box body 1, the longitudinal section of the froglet placing table 2 is in a right-angled ladder shape, two right-angled edges of the froglet placing table 2 are respectively in contact with the inner side wall and the inner bottom of the box body 1, the included angle between the inclined side wall of the froglet placing table 2 and the horizontal plane is 30 to 60 degrees, the string bag installation assembly 3 is placed inside the box body 1, a string bag is installed inside the string bag installation assembly 3, a tadpole growth area is formed inside the string bag, the tadpole growth area covers the bottom of the box body 1 and the area above the froglet placing table 2, a lifting device 4 is installed on the side wall of the box body 1, and the lifting device. The string bag mounting component 3 comprises a first positioning frame 8, a second positioning frame 9, a first connecting rod 10, a second connecting rod 11, a third connecting rod 12 and a fourth connecting rod 13, wherein the first positioning frame 8 and the second positioning frame 9 are both rectangular frames, the top of the first positioning frame 8 and the top of the second positioning frame 9 are positioned on the same horizontal plane, the side surface of the first positioning frame 8 is opposite to the side surface of the second positioning frame 9, one end of the first connecting rod 10 and one end of the second connecting rod 11 are connected with the rod which is closest to the top of the first positioning frame 8 and the top of the second positioning frame 9, the other end of the first connecting rod 10 and the other end of the second connecting rod 11 are connected with the rod which is closest to the top of the second positioning frame 9 and the top of the first positioning frame 8, one end of the third connecting rod 12 and one end of the fourth connecting rod 13 are connected with the rod which is closest to the bottom of the first positioning frame 8 and, the other ends of the third connecting rod 12 and the fourth connecting rod 13 are connected with the rod which is closest to the bottom of the first positioning frame 8 and is arranged at the bottom of the second positioning frame 9, wherein the first connecting rod 10 and the second connecting rod 11 are preferably connected with the end part of the top rod of the first positioning frame 8, the first connecting rod 10 and the second connecting rod 11 are preferably connected with the end part of the top rod of the second positioning frame 9, the third connecting rod 12 and the fourth connecting rod 13 are preferably connected with the end part of the bottom rod of the first positioning frame 9, the third connecting rod 12 and the fourth connecting rod 13 are preferably connected with the end part of the bottom rod of the second positioning frame 9, the first connecting rod 10 is parallel to the second connecting rod 11, and the third connecting rod 12 is parallel to the fourth connecting rod 13. The bottom of first locating frame 8 and the platform laminating of frog arrangement platform 2, the bottom and the laminating of box 1 bottom of second locating frame 9, the height that highly is less than second locating frame 9 of first locating frame 8, the contained angle of third connecting rod 12, fourth connecting rod 13 and horizontal plane and the contained angle of the lateral wall that the frog arrangement platform 2 slopes and horizontal plane are unanimous. The string bag bottom is fixed on each pole of bottom in string bag installation component 3, string bag open-top to fix on each pole of 3 top outlying of string bag installation component, the gauze is all installed to four sides and the bottom surface of string bag installation component 3. Elevating gear 4 includes first gear 14, chain 15, second gear 16, motor, slider 17, guide way 18, lifter 19, first gear 14 and second gear 16 are installed perpendicularly in the box outside, second gear 16 is located first gear 14 under, the output of motor is connected with first gear 14's pivot, first gear 14 passes through chain 15 and is connected with second gear 16, slider 17 installs in the chain 15 outside, the lower extreme of lifter 19 is installed in slider 17 top, the upper end of lifter 19 is connected with the top of string bag installation component 3, elevating gear 4 and guide way 18 are all installed to two relative lateral walls of box 1, guide way 18 leads for elevating gear 4's lift. A water outlet 5 is arranged at the bottom of the outer part of one side, away from the frog placement table 2, of the box body 1, a water overflow opening 6 is arranged above the water outlet 5, a water inlet 7 is arranged above the water overflow opening 6, and the height of the water overflow opening 6 is lower than that of the frog placement table 2.

Before cultivating tadpoles by using the device of the utility model, the cultivating personnel need to disinfect the interior of the box body 1 and the string bag installation component 3, after the disinfection is finished, the cultivating personnel clean the interior of the box body 1 and the string bag installation component 3, after the cleaning is finished, the motor in the lifting device 4 is turned on, the motor drives the first gear 14 to rotate, the first gear 14 drives the second gear 16 to rotate in the same direction through the chain 15, the chain 15 drives the sliding block 17 and the lifting rod 19 above the sliding block 17 to ascend while the first gear 14 and the second gear 16 rotate, the lifting rods 19 at both sides are respectively connected with the first positioning frame 8 and the top of the second positioning frame 9 of the string bag installation component 3, when the lifting rod 19 ascends, the net bag installation component 3 also ascends, when the cultivating personnel close the motor, the lifting on the sliding block 17 stops, the cultivating personnel install the string bag in the string bag installation component 3 and fix the string bag, the net bag mounting assembly 3 provided with the net bag is lowered to be tightly attached to the interior of the box body 1 through the lifting device 4, water is discharged into the box body 1 from the water inlet 7, when the water is discharged to be close to the water overflow port 6, the water discharge is stopped, prepared tadpoles are poured into the net bag mounting assembly 3, and the breeding of the tadpoles of rana spinosa is started. When water is changed for the rana spinosa tadpoles, the water outlet 5 is directly opened, water is drained from the water inlet 7 after the water in the box body is drained completely, the water is drained to a position close to the water overflow opening 6, the water drainage is stopped, and the water change for the rana spinosa tadpoles is completed.

When a breeding person disinfects the device of the utility model, a container filled with clear water is prepared first, then the motor of the lifting device 4 is opened, the motor drives the first gear 14 to rotate, the chain 15 is driven to move, so that the lifting rod 19 drives the net bag mounting component 3 to ascend, after the rising of the net bag mounting component 3 is stopped, the breeding person takes in the net bag, tadpoles in the net bag are completely transferred into the container, then the net bag mounting component 3 is descended into the box body 1 and is drained through the water outlet 5, after the drainage is finished, the water is drained through the water filling port 7, when the water is filled to a position close to the overflow port 6, the water is stopped to be drained, and disinfectant is added to soak and disinfect the interior of the box body 1 and the net bag mounting component 3, after the soaking is carried out for a period of time, the box body 1 is washed, after the net bag is washed clean, the net bag mounting component 3 is lifted, and a clean net is mounted in the net bag mounting component 3, the string bag makes string bag installation component 3 transfer to hugging closely inside the box after string bag installation component 3 is inside fixed to water injection in to the box, after the water injection finishes, pours into the tadpole in the container, accomplishes the disinfection to quasipaa spinosa breeding device promptly.

Example 2

The present embodiment is further defined on the basis of embodiment 1 as follows: the inclined side wall of the frog installation table 2 forms an included angle of 45 degrees with the horizontal plane. When the slope angle of the platform 2 is 45 degrees for the bottom of the box is laid to the froglet, the froglet can easily climb to the platform of the platform 2, the froglet climbing difficulty can not be caused by too large slope angle, and meanwhile, the slope angle is not too small, so that the platform 2 is laid to the froglet to reach the specified height, a long slope needs to be set, and the box 1 is lengthened and cannot reach the specified box size.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A culture device for improving metamorphosis rate of quasipaa spinosa tadpoles is characterized by comprising a box body (1) and a string bag installation assembly (3), wherein the upper end of the box body (1) is opened, a froglet placing table (2) is arranged in the froglet placing table, the longitudinal section of the froglet placing table (2) is in a right-angled trapezoid shape, two right-angle sides of the net bag are respectively contacted with the inner side wall and the inner bottom of the box body (1), the net bag mounting component (3) is placed in the box body (1), the net bag is arranged in the net bag mounting component (3), a tadpole growing area is formed in the net bag, the tadpole growing area covers the bottom of the box body (1) and the area above the froglet placing table (2), elevating gear (4) are installed to box (1) lateral wall, elevating gear (4) are connected with string bag installation component (3) for drive string bag installation component (3) go up and down.

2. The culture device for improving the metamorphosis rate of rana spinosa tadpoles according to claim 1, wherein the string bag installation assembly (3) comprises a first positioning frame (8), a second positioning frame (9), a first connecting rod (10), a second connecting rod (11), a third connecting rod (12) and a fourth connecting rod (13), the first positioning frame (8) and the second positioning frame (9) are both rectangular frames, the top of the first positioning frame (8) and the top of the second positioning frame (9) are located on the same horizontal plane, the side of the first positioning frame (8) is opposite to the side of the second positioning frame (9), one end of the first connecting rod (10) and one end of the second connecting rod (11) are connected with the rod of which the top of the first positioning frame (8) is closest to the top of the second positioning frame (9), and the other end of the first connecting rod (10) and the second connecting rod (11) is connected with the top of the second positioning frame (9) which is closest to the top of the first positioning frame (8) The pole of (2), the one end of third connecting rod (12), fourth connecting rod (13) is connected first locating frame (8) bottom and is apart from the nearest pole in second locating frame (9) bottom, the other end of third connecting rod (12), fourth connecting rod (13) is connected second locating frame (9) bottom and is apart from the nearest pole in first locating frame (8) bottom, the string bag bottom is fixed on each pole of bottom in string bag installation component (3), string bag open-top to fix on each pole of string bag installation component (3) top outlying.

3. The culture device for improving the metamorphosis rate of rana spinosa tadpoles according to claim 2, wherein the bottom of the first positioning frame (8) is attached to the platform of the rana spinosa placement table (2), the bottom of the second positioning frame (9) is attached to the bottom of the box body (1), the height of the first positioning frame (8) is smaller than that of the second positioning frame (9), and the included angles between the third connecting rod (12) and the fourth connecting rod (13) and the horizontal plane are consistent with the included angle between the inclined side wall of the rana spinosa placement table (2) and the horizontal plane.

4. The cultivating device for improving the metamorphosis rate of rana spinosa tadpoles according to claim 2, wherein the connecting portions of the first connecting rod (10), the second connecting rod (11) and the top rod of the first positioning frame (8) are respectively located at the end portions of the two ends of the rod, the connecting portions of the first connecting rod (10), the second connecting rod (11) and the top rod of the second positioning frame (9) are respectively located at the end portions of the two ends of the rod, the first connecting rod (10) is parallel to the second connecting rod (11), the connecting portions of the third connecting rod (12), the fourth connecting rod (13) and the bottom rod of the first positioning frame (8) are respectively located at the end portions of the two ends of the rod, the connecting portions of the third connecting rod (12), the fourth connecting rod (13) and the bottom rod of the second positioning frame (9) are respectively located at the end portions of the two ends of the rod, the third connecting rod (12) is parallel to the fourth connecting rod (13).

5. The culture device for improving the metamorphosis rate of rana spinosa tadpoles according to claim 2, wherein the four side surfaces and the bottom surface of the string bag installation component (3) are provided with the gauze.

6. The cultivating device for improving the metamorphosis rate of rana spinosa tadpoles according to claim 1, wherein the lifting device (4) comprises a first gear (14), a chain (15), a second gear (16), a motor, a sliding block (17), a guide groove (18) and a lifting rod (19), the first gear (14) and the second gear (16) are vertically installed outside the box body, the second gear (16) is located right below the first gear (14), the output end of the motor is connected with the rotating shaft of the first gear (14), the first gear (14) is connected with the second gear (16) through the chain (15), the sliding block (17) is installed outside the chain (15), the lower end of the lifting rod (19) is installed above the sliding block (17), and the upper end of the lifting rod (19) is connected with the top of the string bag installation component (3), elevating gear (4) and guide way (18) are all installed to two lateral walls that box (1) is relative, guide way (18) lead for elevating gear's (4) lift.

7. The cultivation device for improving the metamorphosis rate of quasipaa spinosa tadpoles according to claim 1, wherein the inclined side wall of the froglet placement platform (2) forms an included angle of 30-60 degrees with a horizontal plane.

8. The cultivating device for improving the metamorphosis rate of tadpoles of Rana spinosa according to claim 7, wherein the inclined side wall of the frog placement platform (2) forms an angle of 45 ° with the horizontal plane.

9. The culture device for improving the metamorphosis rate of tadpoles of rana spinosa according to any one of claims 1 to 8, wherein a water outlet (5) is arranged at the bottom of the outer part of one side of the box body (1) far away from the froglet placing table (2), a water overflow opening (6) is arranged above the water outlet (5), and a water inlet (7) is arranged above the water overflow opening (6).

10. The culture apparatus for improving the metamorphosis rate of tadpoles of Rana spinosa according to claim 9, wherein the overflow opening (6) is provided at a height lower than that of the platform (2) for placing Rana spinosa.

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