CN117243191A - Silkworm tray capable of expanding seats rapidly and silkworm breeding method - Google Patents

Silkworm tray capable of expanding seats rapidly and silkworm breeding method Download PDF

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Publication number
CN117243191A
CN117243191A CN202311514613.2A CN202311514613A CN117243191A CN 117243191 A CN117243191 A CN 117243191A CN 202311514613 A CN202311514613 A CN 202311514613A CN 117243191 A CN117243191 A CN 117243191A
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China
Prior art keywords
silkworm
elastic net
net
adjusting
connecting ring
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CN202311514613.2A
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CN117243191B (en
Inventor
刘波
郭佳
叶江红
刘宇
邱云桥
蒋辉霞
易文裕
罗俊
梅林森
马倩
张瀚文
何俊峰
郑宇�
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Sichuan Agricultural Machinery Science Research Institute
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Sichuan Agricultural Machinery Science Research Institute
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Priority to CN202311514613.2A priority Critical patent/CN117243191B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/033Rearing or breeding invertebrates; New breeds of invertebrates
    • A01K67/04Silkworms

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

Abstract

The invention discloses a silkworm tray capable of quickly expanding seats and a silkworm breeding method, and relates to the field of silkworm breeding. When expanding the seat, directly make it expand the seat at the uniform velocity through evenly pulling the elastic net, not only can not harm the young silkworm, simultaneously can operate fast, also need not operating personnel and carry out technical operation, be convenient for extensively promote, simultaneously, the elastic net of this device expands the seat speed and can adjust as required, expands the elastic net after the seat and keeps circular, expands the back, and the silkworm can be even to the removal all around, has reduced the travel distance of silkworm, more is favorable to breeding.

Description

Silkworm tray capable of expanding seats rapidly and silkworm breeding method
Technical Field
The invention relates to the field of silkworm breeding, in particular to a silkworm tray capable of expanding seats rapidly and a silkworm breeding method.
Background
The multi-batch rolling type silkworm breeding method adopts a three-stage breeding mode: co-rearing of young silkworms, foil rearing of medium silkworms, labor-saving rearing of large silkworms, and the like.
In the rolling type silkworm breeding process, the growth and development of silkworms, especially young silkworms, can be increased by about 2 times per day in general, three and four ages can be increased by about 1 time per day, and five ages can be increased by 1 time per two days. The reasonable area of each silkworm rearing bed is generally calculated by taking the occupied area of each silkworm and the growth multiple of the silkworms as basic points and adding proper activity space, and is generally calculated by increasing the silkworm volume by about 20 percent, so that the rapid expansion of the rearing bed in the effective area is particularly important in the co-rearing process of the silkworms.
When the existing silkworm raising method is used for expanding the seat, the seat expanding method in the young silkworm period comprises a roll paper net rolling seat expanding method, a strip leaf seat expanding method, a net adding foil separating seat expanding method and the like. The paper rolling method uses the paper or net under the silkworm rearing bed, the two ends of the paper or net are pinched by two hands, and the paper or net moves downwards along with the roll to one end, so that the silkworm rearing bed is left in place, the paper or net silkworm rearing bed can be drawn out to be enlarged, and slightly arranged for mulberry. A method for expanding the base of long leaves features that when the silkworm is fed, part of long leaves are fed, and the square leaves are matched with mulberry leaves. Adding net and expanding base, adding a net on the base, feeding mulberry, lifting another foil after climbing, and dividing into two parts. The silkworm stage expanding seat is mainly used for screening and foil separation, and when the silkworm density is too high, the mulberry leaf attached with silkworm can be moved to the periphery of the silkworm seat or another foil expanding seat can be placed.
The method does not damage the silkworm body, but can be done with a certain degree of skill, has higher technical requirements on operators, and is not convenient for wide use.
Meanwhile, a mixture of residual mulberry, silkworm excrement, peeled shell, bran grass, etc. piled in the rearing bed is called faeces Bombycis. Experiments prove that the silkworm excrement, the silkworm and the indole discharged from dead silkworm bodies on the silkworm rearing bed have higher toxicity to silkworms and are very important in timely degritting.
Disclosure of Invention
The invention aims to provide a silkworm tray capable of quickly expanding a silkworm seat and a silkworm raising method, the diameter of an elastic net is adjusted by an adjusting rod, so that the silkworm seat is quickly expanded, a silkworm body is not damaged, an operator is not required to operate, and the silkworm tray is convenient to widely use.
The purpose is realized by adopting the following technical scheme:
the utility model provides a silkworm tray of seat is expanded fast, includes a plurality of silkworm trays, and this device's silkworm tray includes first go-between, is provided with a plurality of regulation poles on the first go-between, is provided with the elastic net on the regulation pole, and a plurality of regulation poles not only can support the elastic net, support the young silkworm, make it place more firm on the silkworm tray.
In the in-process that roll formula was fed, a plurality of regulation poles all are connected with adjustment mechanism, and adjustment mechanism can make the regulation pole remove on first go-between, adjusts the in-process that the pole was removing, pulls the elastic net, and then adjusts the diameter of elastic net, and the elastic net of this device is a circular, adjusts the in-process that the pole was removing, makes the elastic net adjust to the circle of different diameter sizes.
On the basis, a plurality of adjusting rods are uniformly distributed on the elastic net, so that the elastic net can be uniformly pulled in the moving process by the adjusting rods, and the elastic net is always circular.
Further, be provided with the mounting with first go-between concentric in the silkworm tray, the one end of adjusting the pole passes the mounting, and the both ends of adjusting the pole are all connected on first go-between, and the mounting can be further fixed a position the pole of adjusting, avoids being located the regulation pole removal or downward sloping at first go-between center. Meanwhile, the adjusting rod comprises a fixing rod and a telescopic rod, the telescopic rod penetrates through the fixing piece, the fixing rod is connected with the first connecting ring, and the elastic net is arranged on the fixing piece and the adjusting rod. When two fixing rods on one adjusting rod move on the first connecting ring, the two fixing rods stretch the telescopic rods, and each adjusting rod penetrates through the circle center of the elastic net, so that the diameter of the elastic net is adjusted by moving the fixing rods on the first connecting ring, and rapid seat expansion is performed.
Wherein the two fixing rods can move in the first connecting ring through various structures, the two fixing rods can be driven to move through the expansion and contraction of the telescopic structure, and can also be driven to move through other moving parts, in the device, the inventor prefers a structure, the adjusting mechanism comprises a plurality of first rotary gears, be provided with the gear on the dead lever, a plurality of first rotary gear and a plurality of regulation pole one-to-one, the gear engagement on first rotary gear and the dead lever, first rotary gear is rotatory, drives the dead lever and removes on first go-between through the gear, and then adjusts the diameter of elasticity net.
Still further, every first rotation gear can be controlled through different motors, still can be rotated through other structure control, for example, first go-between is connected with the swivel ring, the swivel ring can rotate on first go-between, the meshing has a plurality of second rotation gears on the inner ring of swivel ring, a plurality of second rotation gears and a plurality of first rotation gears one-to-one, be connected through the pivot between second rotation gear and the first rotation gear, when a second rotation gear on the swivel ring rotates, second rotation gear and swivel ring meshing, drive swivel ring rotation, the rotatory in-process of swivel ring drives other second rotation gears and rotates together, the rotatory in-process of second gear drives first rotation gear through the pivot, first rotation gear effect drives the dead lever and removes on the dead lever. In this structure, through the rotation of swivel ring, can ensure that all second rotary gear rotational speed is the same, and then make first rotary gear's rotational speed the same, first rotary gear is the same on the dead lever, every dead lever is the same on first go-between's movable speed, and then make the elastic net by even pulling, even expanding the seat, and the speed is controllable, avoid the too fast injury that causes the silkworm, simultaneously, after expanding the seat, the silkworm respectively to all around remove can, need not remove too big distance, improve the efficiency and the quality of expanding the seat.
Preferably, one end of the fixing rod is connected with an arc plate, when the arc plate is positioned on the first connecting ring, a plurality of arc plates form a circle, and one end of the elastic net is connected to the arc plate. When the fixed rod moves, the arc plate acts on the elastic net to expand the seat, the contact area between the arc plate and the elastic net is large, and the uniformity of expanding the seat can be further improved.
Meanwhile, a connecting net is arranged on the first connecting ring and is positioned below the elastic net. The elastic net is in the in-process of pulling, and the diameter in space can change, and the diameter in space of connecting net does not change, and when the diameter in space of elastic net changed, connecting net and its crisscross setting can further improve the support to the silkworm, avoids the silkworm to drop from the space.
In the device, the first connecting ring is connected with the bottom plate, the bottom plate is used for recovering silkworm excrement, when the elastic net is pulled to adjust the diameter, the silkworm excrement enters the bottom plate through a gap of the elastic net through the movement of the elastic net, the diameter of the bottom plate is larger than that of the first connecting ring, and after the elastic net expands a seat, the bottom plate can be connected into the silkworm excrement.
Further, a method for raising silkworms, comprising:
in a preset time, the adjusting rod moves on the first connecting ring, so that the diameter of the elastic net is a preset length; when the diameter of the elastic net is a preset length, mulberry leaves are evenly fed on the elastic net, so that silkworms are evenly distributed on the silkworm tray after the expanding seat.
On the other hand, in the preset time, the adjusting rod moves on the first connecting ring, so that the diameter of the elastic net is a preset length; when the diameter of the elastic net is a preset length, sand removal is carried out, in the sand removal process, a sand removal elastic net with the diameter of the preset length is connected to the arc plate of the adjusting rod, the gap diameter of the sand removal elastic net is larger than that of the elastic net, mulberry leaves are evenly paved on the sand removal elastic net, after silkworms climb up, the elastic net is taken down from the arc plate, and silkworm excrement enters the bottom plate through the connecting net, so that silkworm excrement is recovered.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the silkworm tray capable of expanding the seat rapidly and the silkworm raising method, when the seat expanding is carried out, the elastic net is pulled uniformly to expand the seat at a uniform speed, so that small silkworms can not be injured, meanwhile, the operation can be fast, technical operation by operators is not needed, the wide popularization is facilitated, meanwhile, the seat expanding speed of the elastic net of the device can be adjusted according to requirements, the elastic net after expanding the seat is kept circular, after expanding the seat, silkworms can uniformly move around, the moving distance of the silkworms is reduced, and the silkworm raising is facilitated.
Meanwhile, the elastic net is provided with gaps, produced silkworm excrement can fall into the bottom plate through the gaps, sand can be removed by adding a new elastic net in the sand removal process, the influence of the silkworm excrement on silkworms is avoided, the elastic net moves in the seat expanding process, the size of the gaps on the elastic net changes, the silkworm excrement can be quickly driven to pass through the gaps in the changing process, and the sand removal effect is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of a silkworm tray in example 1;
FIG. 2 is a schematic structural view of the first connecting ring of the embodiment 1 with the fixing members concentrically arranged;
fig. 3 is a schematic diagram showing the structure of the second rotary gear engaged with the rotary ring in embodiment 3;
fig. 4 is a schematic structural diagram of the second rotary gear and the first rotary gear in embodiment 3;
FIG. 5 is a schematic view showing the structure of an arc plate for stretching an elastic net in embodiment 3;
FIG. 6 is a schematic view of the structure of the connection net on the first connection ring in embodiment 4;
fig. 7 is a schematic view showing the structure of the bottom plate on the first connection ring in embodiment 5.
In the drawings, the reference numerals and corresponding part names:
the device comprises a first connecting ring, a 2-connecting net, a 3-elastic net, a 4-fixing rod, a 5-arc plate, a 6-fixing piece, a 7-telescopic rod, an 8-first rotating gear, a 9-rotating ring, a 10-second rotating gear, an 11-rotating shaft, a 12-connecting rod and a 13-bottom plate.
Description of the embodiments
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.
Example 1
The device comprises a plurality of silkworm trays, wherein the silkworm trays are sequentially placed on a placing frame from top to bottom, mulberry leaves are paved on the silkworm trays, and silkworms are placed on the silkworm trays. As shown in fig. 1, the silkworm tray of the device comprises a first connecting ring 1, wherein four adjusting rods are arranged on the first connecting ring 1, the first connecting ring 1 is divided into 8 included angles by the four adjusting rods, and the included angle between every two adjacent adjusting rods is 45 degrees. The two ends of the adjusting rod are positioned in the sliding grooves on the first connecting ring, the adjusting rod can move in the sliding grooves, and the sliding grooves not only can fix the position of the adjusting rod, but also can be used for connecting the adjusting rod. The adjusting rod is provided with an elastic net 3, and the elastic net 3 is connected with two ends of the adjusting rod.
In this embodiment, the adjusting rod is a telescopic rod, two ends of the adjusting rod extend, so that two ends of the adjusting rod slide on the sliding groove of the first connecting ring 1, and the elastic net is pulled in the sliding process of the adjusting rod, so that the diameter of the adjusting rod is increased, and the seat expansion is realized. In the seat expanding process, the adjusting rod further supports the elastic net, and the elastic net is prevented from collapsing.
In this embodiment, as shown in fig. 2, a fixing member 6 is concentrically arranged in the silkworm tray and the first connecting ring 1, one end of the adjusting rod passes through the fixing member 6, both ends of the adjusting rod are connected to the first connecting ring 1, the center of the elastic net 3 is connected to the fixing member, the edge of the elastic net is connected to both ends of the adjusting rod, the fixing member 6 is connected to the first connecting ring 1, and the fixing member 6 and the first connecting ring 1 further support and fix the adjusting rod, thereby improving the supporting efficiency.
Example 2
On the basis of embodiment 1, the adjusting lever comprises two fixing rods 4 and a telescopic rod 7, the telescopic rod is positioned between the two fixing rods, the telescopic rod 7 penetrates through the fixing piece 6, the two fixing rods 4 are connected with the first connecting ring 1, and the elastic net 3 is arranged on the fixing piece 6 and the two fixing rods 4.
In this embodiment, the telescopic rod 7 is a resilient spring rod, when two fixing rods move away from the fixing member on the first connecting ring respectively, the spring rod is elongated, when two fixing rods move close to the fixing member on the first connecting ring respectively, the spring rod is shortened, the action of the spring rod can buffer acting force, the structure is simplified, and the use efficiency is improved.
Example 3
On the basis of the embodiment, the adjusting mechanism comprises a plurality of first rotating gears 8, the fixed rod 4 is provided with gears, the plurality of first rotating gears 8 are in one-to-one correspondence with the plurality of adjusting rods, and the first rotating gears 8 act on the gears of the fixed rod 4 in a rotating way so as to enable the fixed rod 4 to move on the first connecting ring 1; one end of the fixed rod 4 is connected with an arc plate 5, when the arc plate 5 is positioned on the first connecting ring 1, a circle is formed by a plurality of arc plates 5, and one end of the elastic net 3 is connected to the arc plate 5.
In the original state, as shown in fig. 1, the arc plates 5 are located on the first connecting ring 1, a circle is formed by a plurality of arc plates 5, when a plurality of first rotary gears 8 rotate, a plurality of first rotary gears 8 respectively act on the gears of the fixed rods 4, so that two fixed rods on the same adjusting rod respectively move towards the direction far away from the fixed piece on the first connecting ring, the length of the adjusting rod is prolonged, the arc plates 5 elongate an elastic net, the diameter of the elastic net is increased, and seat expansion is realized.
In the embodiment, the moving speed of each fixing rod is the same, so that the elastic net is always circular in the process of elongation, and uniform seat expansion is realized.
In some embodiments, the first rotating gears 8 are connected to one rotating motor, and each rotating motor has the same rotating speed, so that the moving speed of each fixing rod is the same.
In some embodiments, the first connecting ring 1 is connected with the rotating ring 9, the rotating ring 9 can rotate on the first connecting ring 1, as shown in fig. 3, a plurality of second rotating gears 10 are meshed on the inner ring of the rotating ring 9, the plurality of second rotating gears 10 are in one-to-one correspondence with the plurality of first rotating gears 8, as shown in fig. 4, and the second rotating gears 10 are connected with the first rotating gears 8 through rotating shafts 11. In this embodiment, one of the second rotation gears 10 is connected to a motor, and the rotation of the second rotation gear 10 drives the rotation of the rotation ring, which drives the rotation of the other second rotation gears 10.
When the two fixing rods on the same adjusting rod are respectively moved on the first connecting ring in the direction away from the fixing piece, as shown in fig. 5, the arc plate 5 stretches the elastic net, and the first rotating gear 8 is connected to the first connecting ring 1 and can rotate on the first connecting ring 1 in the circumferential direction of the axis of the first rotating gear.
Example 4
On the basis of the above embodiment, as shown in fig. 6, the first connection ring 1 is provided with the connection net 2, and the connection net 2 is located below the elastic net 3. When the arc plates 5 are positioned on the first connecting ring 1 in the original state and a plurality of arc plates 5 form a circle, the inner diameter of the gap of the elastic net is larger than that of the gap of the connecting net 2, and the gap of the connecting net 2 further supports the elastic net.
Example 5
On the basis of the above embodiment, as shown in fig. 7, the first connecting ring 1 is connected with a bottom plate 13, the bottom plate 13 is used for recovering silkworm excrement, the bottom plate 13 is connected with the rotating ring 9 through a connecting rod 12, the diameter of the bottom plate 13 is larger than that of the first connecting ring, and after the elastic net is stretched, the bottom plate can still recover silkworm excrement.
Example 6
On the basis of the above embodiment, a silkworm raising method includes:
in a first preset time, moving an adjusting rod on the first connecting ring 1 to enable the diameter of the elastic net 3 to be a first preset length, and uniformly paving mulberry leaves on the elastic net 3 to finish one-time seat expanding;
in a second preset time, the adjusting rod is moved on the first connecting ring 1, the diameter of the elastic net 3 is made to be a second preset length, mulberry leaves are uniformly paved on the elastic net 3, and secondary seat expansion is completed;
in a third preset time, the adjusting rod is moved on the first connecting ring 1, the diameter of the elastic net 3 is made to be a third preset length, mulberry leaves are uniformly paved on the elastic net 3, and three seat expansion is completed;
example 7
On the basis of the above embodiment, a silkworm raising method includes:
laying lime powder on the elastic net 3 in a first preset time, sterilizing, enabling an adjusting rod to move on the first connecting ring 1, enabling the diameter of the elastic net 3 to be a first preset length, connecting a first sand-removing elastic net with the diameter being the first preset length on an arc plate 5 of the adjusting rod, enabling the gap diameter of the first sand-removing elastic net to be larger than that of the elastic net 3, uniformly laying mulberry leaves on the first sand-removing elastic net, taking down the elastic net 3 from the arc plate 5 after silkworms climb, enabling silkworm excrement to enter a bottom plate through the connecting net 2, and recycling silkworm excrement for the first time;
paving lime powder in a second preset time, and sterilizing to enable the adjusting rod to move on the first connecting ring 1, so that the diameter of the first sand removal elastic net is a second preset length; when the diameter of the first sand-removing elastic net is a second preset length, a second sand-removing elastic net with the diameter of the second preset length is connected to the arc plate 5 of the adjusting rod, the gap diameter of the second sand-removing elastic net is larger than that of the first sand-removing elastic net, mulberry leaves are uniformly paved on the second sand-removing elastic net, after silkworm climbs up, the first sand-removing elastic net is taken down from the arc plate 5, silkworm excrement enters the bottom plate through the connecting net 2, and silkworm excrement is recovered for the second time;
paving lime powder in a third preset time, and sterilizing to enable the adjusting rod to move on the first connecting ring 1, so that the diameter of the second desanding elastic net is a third preset length; when the diameter of the second sand removal elastic net is a third preset length, a third sand removal elastic net with the diameter of the third preset length is connected to the arc plate 5 of the adjusting rod, the gap diameter of the third sand removal elastic net is larger than that of the second sand removal elastic net, mulberry leaves are evenly paved on the third sand removal elastic net, after silkworm climbs up, the second sand removal elastic net is taken down from the arc plate 5, silkworm excrement enters the bottom plate through the connecting net 2, and silkworm excrement is recovered for the third time.
The first preset time is when the second-age silkworms start after the first-age silkworms start, the second preset time is when the second-age silkworms start, and the third preset time is when the third-age silkworms start.
The use of "first," "second," "third," etc. herein is for clarity of description only and is not intended to limit any order or emphasize importance, etc. to distinguish between corresponding components. In addition, the term "coupled" as used herein may be directly coupled or indirectly coupled via other components, unless otherwise indicated.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (9)

1. The silkworm tray is characterized by comprising a plurality of silkworm trays, wherein each silkworm tray comprises a first connecting ring (1), a plurality of adjusting rods are arranged on the first connecting rings (1), elastic nets (3) are arranged on the adjusting rods, the adjusting rods are connected with an adjusting mechanism, and the adjusting mechanism is used for enabling the adjusting rods to move on the first connecting rings (1) and adjusting the diameters of the elastic nets (3);
be provided with mounting (6) with first go-between (1) concentric in the silkworm tray, the mounting (6) is passed to the one end of adjusting the pole, and the both ends of adjusting the pole are all connected on first go-between (1), adjust pole including dead lever (4) and telescopic link (7), telescopic link (7) pass mounting (6), and dead lever (4) are connected with first go-between (1), and elastic net (3) set up on mounting (6), regulation pole.
2. The silkworm tray with the rapid seat expanding function according to claim 1, wherein the adjusting mechanism comprises a plurality of first rotating gears (8), the fixed rod (4) is provided with gears, the first rotating gears (8) are in one-to-one correspondence with the adjusting rods, and the first rotating gears (8) are rotationally acted on the gears of the fixed rod (4) to enable the fixed rod (4) to move on the first connecting ring (1).
3. The fast expanding silkworm tray according to claim 2, wherein the first connecting ring (1) is connected with the rotating ring (9), the rotating ring (9) can rotate on the first connecting ring (1), a plurality of second rotating gears (10) are meshed on the inner ring of the rotating ring (9), the plurality of second rotating gears (10) are in one-to-one correspondence with the plurality of first rotating gears (8), and the second rotating gears (10) are connected with the first rotating gears (8) through rotating shafts (11).
4. The fast expanding silkworm tray according to claim 1, wherein the first connecting ring (1) is provided with a connecting net (2), and the connecting net (2) is positioned below the elastic net (3).
5. The silkworm tray of the rapid expanding seat according to claim 1, wherein one end of the fixing rod (4) is connected with an arc plate (5), when the arc plate (5) is positioned on the first connecting ring (1), a plurality of arc plates (5) form a circle, and one end of the elastic net (3) is connected to the arc plate (5).
6. The fast expanding silkworm tray according to claim 1, wherein the first connecting ring (1) is connected with a bottom plate (13), and the bottom plate (13) is used for recycling silkworm excrement.
7. A method of rearing silkworms comprising the silkworm tray according to any one of claims 1 to 6, comprising:
in a preset time, the adjusting rod is moved on the first connecting ring (1) towards a direction away from the fixing piece (6), so that the diameter of the elastic net (3) is a preset length.
8. The method of raising silkworms according to claim 7, further comprising a sand removal step of:
when the diameter of the elastic net (3) is a preset length, a sand-removing elastic net with the diameter of the preset length is connected to the arc plate (5) of the adjusting rod, the gap diameter of the sand-removing elastic net is larger than that of the elastic net (3), mulberry leaves are paved on the sand-removing elastic net, after silkworms climb up, the elastic net (3) is taken down from the arc plate (5), and silkworm excrement enters the bottom plate through the connecting net (2) for silkworm excrement recovery.
9. A method of raising silkworms according to claim 7, characterized in that lime powder is laid on the elastic net (3) before the adjustment bars are moved on the first connection ring (1).
CN202311514613.2A 2023-11-15 2023-11-15 Silkworm tray capable of expanding seats rapidly and silkworm breeding method Active CN117243191B (en)

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