CN112273305B

CN112273305B - Mussel breeding device

Info

Publication number: CN112273305B
Application number: CN202011145183.8A
Authority: CN
Inventors: 邵艳卿; 方军; 柴雪良; 王侃; 滕爽爽; 任鹏
Original assignee: Zhejiang Mariculture Research Institute
Current assignee: Zhejiang Mariculture Research Institute
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2022-03-01
Anticipated expiration: 2040-10-23
Also published as: CN112273305A

Abstract

The invention discloses a mussel culture device which is characterized by comprising a telescopic rod and a driving device, wherein the telescopic rod is connected with a plurality of culture bags for culturing mussels, the driving device is used for driving the telescopic rod to extend downwards so as to enable the culture bags to sink to the water surface, the driving device comprises a shaft barrel, one end of the shaft barrel is rotatably connected to a telescopic frame, the other end of the shaft barrel is fixedly connected with a rotating handle, a connecting rope is wound on the shaft barrel, the lower end of the telescopic rod is connected with a balance weight, and one end of the connecting rope is connected to the balance weight. The invention has the following beneficial effects: the telescopic link adopts rigid material to make, and the telescopic link passes through drive arrangement and drives to stretch into below the sea, and the bag of will breeding is in suitable water layer to difficult changing the water layer along with rivers are undulant, thereby guaranteeing that the water layer that the bag of breeding locates remains unchanged, avoids constantly changing the water layer and influences the appearance of mussel, ensures that the mussel can grow up smoothly, is convenient for breed and results.

Description

Mussel breeding device

Technical Field

The present invention relates to an aquaculture apparatus, and more particularly, it relates to a mussel culture apparatus.

Background

Mussel is a bivalve mollusk, has a black brown shell, lives on the shore rocks, is easy to artificially breed in large quantities due to strong vitality, and has wide breeding sea areas in coastal provinces. Select quality of water fresh, the unobstructed open sea area of rivers sets up breeds raft frame, and the lifting rope is being tied on breeding raft frame, and it has a plurality of breeding device to tie on the lifting rope, breeds the mussel seed and attaches to in the breed bag that polyvinyl chloride net clothing was made with sufficient silk, or directly adsorbs on the lifting rope, and the lower extreme of lifting rope hangs there is the stone to breed with breeding device puts in under the sea and breeds. The lifting rope floats along with the ocean current easily to make the water layer that breeding device located change easily, lead to the mussel can not be in the water layer that bait is abundant steadily, grow up unstably, also be difficult to ensure output.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the mussel culture device, which can enable the mussels to be positioned in a water layer with rich bait so as to promote the growth of the mussels, thereby conveniently enlarging the culture area and increasing the yield.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mussel breeding device, including floating the frame, it is connected with the extension support to float the frame, install the expansion bracket on the extension support, all install telescopic link and drive arrangement on the expansion bracket, the telescopic link is connected with a plurality of breeding device that are used for breeding the mussel, drive arrangement is used for driving the telescopic link and stretches out downwards, so that breeding device sinks under the surface of water, drive arrangement is including a shaft section of thick bamboo, the one end of a shaft section of thick bamboo is rotated and is connected on the expansion bracket, the other end fixedly connected with rotation handle of a shaft section of thick bamboo, around being equipped with the connecting rope on the shaft section of thick bamboo, the lower extreme of telescopic link is connected with the counter weight, the one end of connecting rope is connected on the counter weight.

The invention is further configured to: be connected with the axis of rotation on the shaft section of thick bamboo, the axis of rotation rotates with the expansion bracket to be connected with slewing gear in the axis of rotation, still rotates on the expansion bracket to be connected with the rotor plate to be provided with the uide bushing, the rotor plate is provided with the guide way along length direction, guide way sliding connection has the guide block, the guide block rotates and is connected with the bolt, the uide bushing is passed to the one end of bolt, and the card goes into on the slewing gear, with fixed slewing gear.

The invention is further configured to: the telescopic frame is also provided with a driving motor, the driving motor is connected with a driving gear, the driving gear is meshed with a rotating gear, a clutch device is arranged on the rotating shaft and comprises a clutch support, the clutch support is fixedly connected on the telescopic frame and is rotatably connected with a crank and a clutch shaft, the lower end of the crank is provided with a driving groove, the driving groove is slidably connected with a driving block, the driving block is rotatably connected with a connecting sleeve, a clutch sleeve is rotatably connected with the connecting sleeve and is provided with two limiting rings, the two limiting rings are respectively and fixedly connected on two sides of the connecting sleeve for limiting the clutch sleeve, the clutch sleeve is internally provided with a connecting groove, the rotating gear is fixedly connected on the clutch shaft, the clutch sleeve is sleeved on the rotating shaft and the clutch shaft, the rotating shaft and the clutch shaft are respectively provided with a first connecting block and a second connecting block, and the first connecting block and the second connecting block are both arranged in the connecting groove in a sliding manner, when manual control is switched, the crank is rotated to drive the driving block to move, the connecting sleeve is driven to axially move in the direction away from the rotating shaft, and the limiting ring pushes the clutch sleeve to move along with the connecting sleeve, so that the first connecting block is separated from the connecting groove; when the electric control is switched, the crank is rotated reversely to drive the driving block to move, the connecting sleeve is driven to move axially towards the rotating shaft, and the limiting ring pushes the clutch sleeve to move along with the connecting sleeve, so that the first connecting block is inserted into the connecting groove.

The invention is further configured to: the telescopic link is including a plurality of vertical connecting rods that from top to bottom connects gradually, a plurality of breeding device set up on corresponding connecting rod, two adjacent connecting rod mutual sliding connection, the lower extreme at the connecting rod of below is installed to the counter weight, still install the slide on the expansion bracket, the connecting rod sliding connection of top is on the slide, the leading flank of connecting rod is provided with the spout along length direction, the spout is T shape, be provided with the slider with the spout adaptation on the trailing flank of connecting rod, the slider is used for the spout sliding connection with the top connecting rod, the upper and lower both ends of spout all are provided with the stopper, in order to be used for limit slide.

The invention is further configured to: the sliding block is provided with a fixed groove, a fixed spring is arranged in the fixed groove, a clamping block is connected in a sliding mode, a clamping hole is formed in the sliding groove, a contact surface between the clamping hole and the clamping block is an arc-shaped surface, and the fixed spring pushes the clamping block to be inserted into the clamping hole, so that the sliding block is fixed on the sliding groove.

The invention is further configured to: still be provided with waist type hole along length direction on the connecting rod, breeding device is connected with the mounting panel, is provided with the arch on the mounting panel, and the arch slides and sets up in waist type hole to be provided with the screw thread axle, the screw thread axle stretches out waist type hole, and threaded connection has fastening handle.

The invention is further configured to: the extension support is including a plurality of extension rods, and the quantity of expansion bracket is a plurality of, and a plurality of expansion brackets set up on corresponding extension rod, are provided with between two adjacent extension rods to be used for rotating articulated elements and the elastic component of connecting both, and articulated elements and elastic component set up respectively on connecting the both ends of controlling of face, and the elastic component is used for keeping adjacent extension rod folding or expand, and the elastic component is reset spring or gas brace.

The invention is further configured to: be provided with recess and backup pad on a plurality of extension rod's the both ends respectively, the backup pad is used for inserting in the recess of adjacent extension rod.

The invention is further configured to: the quantity of extending the support is a plurality of, and a plurality of extending the support sets up around floating the frame to all keeping away from floating frame one and serving and be connected with the gasbag.

In conclusion, the invention has the following beneficial effects: the telescopic link adopts rigid material to make, and the telescopic link passes through drive arrangement and drives to stretch into below the sea, and the device of will breeding is in suitable water layer to difficult changing the water layer along with rivers are undulant, thereby guaranteeing that the water layer that the breeding device was located remains unchanged, avoids constantly changing the water layer and influences the breed of mussel, ensures that the mussel can grow up smoothly, is convenient for breed and manage. Compared with the lifting rope culture, the telescopic rod type mussel culture device can more fully utilize a suitable water layer, can retract the telescopic rod at any time, and is convenient for examining mussels in the culture device.

Drawings

FIG. 1 is a schematic perspective view of a mussel cultivation device;

FIG. 2 is an enlarged view A of FIG. 1;

FIG. 3 is an enlarged view B of FIG. 1;

FIG. 4 is a schematic view of the connection structure of the support plate;

FIG. 5 is a schematic view of a coupling structure of the clutch sleeve;

FIG. 6 is a schematic view of the connection structure of the mounting plate;

FIG. 7 is a schematic view of a connection structure of the fixing grooves;

fig. 8 is a schematic view of a connection structure of the mussel culture device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-8, a mussel breeding device, including floating frame 1, floating frame 1 is connected with extension support 2, install expansion bracket 3 on the extension support 2, all install telescopic link 4 and drive arrangement 5 on the expansion bracket 3, telescopic link 4 is connected with a plurality of breeding device 41 that are used for breeding the mussel, drive arrangement 5 is used for driving telescopic link 4 and stretches out downwards, so that breeding device 41 sinks under the surface of water, drive arrangement 5 is including a shaft section of thick bamboo 52, the one end of a shaft section of thick bamboo 52 is rotated and is connected on expansion bracket 3, the other end fixedly connected with of a shaft section of thick bamboo 52 rotates handle 53, around being equipped with connecting rope 54 on the shaft section of thick bamboo 52, the lower extreme of telescopic link 4 is connected with counter weight 51, the one end of connecting rope 54 is connected on counter weight 51.

Through above-mentioned scheme, telescopic link 4 adopts rigid material to make, and telescopic link 4 drives through drive arrangement 5 and stretches into below the sea, and with breeding device 41 in suitable water layer to be difficult for changing the water layer along with rivers are undulant, thereby guarantee that the water layer that breeding device 41 located remains unchanged, avoid constantly changing the water layer and influence the breed of mussel, ensure that the mussel can grow up smoothly, be convenient for breed and manage. Compared with the hanging rope cultivation, the invention can more fully utilize the suitable water layer, and can withdraw the telescopic rod 4 at any time, thereby being convenient for inspecting the mussels in the cultivation device 41.

When using, use hand to rotate handle 53 and rotate, drive beam barrel 52 and rotate, loosen the connection rope 4 of coiling on beam barrel 52, make connecting rod 42 along with counter weight 51 downstream, thereby drive the connecting rod 42 downwardly extending of establishing ties, make breeding device 41 get into under the sea, and through the length that adjustment connection rope 4 loosened, adjust the water layer that breeding device 41 located, thereby can guarantee to control the farming environment of good mussel, with improvement farming output. The cultivating device 41 may be a cultivating bag, a cultivating frame or a cultivating rope so as to be suitable for cultivating mussels at different stages.

As a modified specific embodiment, a rotating shaft 521 is connected to the shaft cylinder 52, the rotating shaft 521 is rotatably connected to the telescopic frame 3, a rotating gear 522 is connected to the rotating shaft 521, a rotating plate 31 is further rotatably connected to the telescopic frame 3, and a guide sleeve 32 is provided, the rotating plate 31 is provided with a guide groove 311 along the length direction, the guide groove 311 is slidably connected with a guide block 312, the guide block 312 is rotatably connected with a bolt 33, one end of the bolt 33 passes through the guide sleeve 32 and is clamped into the rotating gear 522 to fix the rotating gear 522.

Through the above scheme, when the position of breeding device 41 needs to be fixed, rotating plate 31 rotates, guide block 312 moves along with the length direction of guide way 311, drive bolt 33 and move along the direction of guidance of uide bushing 32, on going into running gear 522 with the card, it is fixed with running gear 522, thereby it is fixed with beam barrel 52, connect rope 54 no longer loosen, it is fixed with the water layer that breeding device 41 located, the joint structure is difficult not hard up, when needing to adjust, extract bolt 33, high durability and convenient use.

As an improved specific embodiment, the telescopic frame 3 is further provided with a driving motor 34, the driving motor 34 is connected with a driving gear 341, the driving gear 341 is meshed with a rotating gear 522, a clutch device 6 is arranged on the rotating shaft 521, the clutch device 6 comprises a clutch bracket 61, the clutch bracket 61 is fixedly connected to the telescopic frame 3 and is rotatably connected with a crank 62 and a clutch shaft 63, the lower end of the crank 62 is provided with a driving groove 621, the driving groove 621 is slidably connected with a driving block 622, the driving block 622 is rotatably connected with a connecting sleeve 623, a clutch sleeve 624 is rotatably connected in the connecting sleeve 623, and is provided with two limit rings 626, the two limit rings 626 are respectively and fixedly connected to two sides of the connecting sleeve 623 for limiting the clutch sleeve 624, a connecting groove 625 is arranged in the clutch sleeve 624, the rotating gear 522 is fixedly connected to the clutch shaft 63, the clutch sleeve 624 is sleeved on the rotating shaft and the clutch shaft 63, the rotating shaft 521 and the clutch shaft 63 are respectively provided with a first connecting block 523 and a second connecting block 631, the first connecting block 523 and the second connecting block 631 are arranged in the connecting groove 625 in a sliding manner, when manual control is switched, the crank 62 is rotated to drive the driving block 622 to move, the connecting sleeve 623 is driven to move axially in a direction away from the rotating shaft 521, and the limiting ring 626 pushes the clutch sleeve 624 to move along with the connecting sleeve 623, so that the first connecting block 523 is separated from the connecting groove 625; when the electric control is switched, the crank 62 is rotated in the reverse direction, the driving block 622 is driven to move, the driving connecting sleeve 623 moves axially towards the rotating shaft 521, and the limiting ring 626 pushes the clutch sleeve 624 to move along with the connecting sleeve 623, so that the first connecting block 523 is inserted into the connecting groove 625.

Through above-mentioned scheme, make drive gear 341 rotate through driving motor 34 to drive rotating gear 522 and rotate, rotate with control beam barrel 52, thereby control telescopic link 4 reciprocates, and driving motor 34 is servo motor, thereby automatic control telescopic link 4 controls through the automation, alleviates working strength, improves work efficiency. The clutch sleeve 624, the rotating shaft 521 and the clutch shaft 63 are coaxially arranged, and the rotating shaft 521 and the clutch shaft 63 are connected through the clutch sleeve 624 to be synchronously rotated. When the manual control is switched, an operator rotates the crank 62 to drive the driving block 622 to slide in the driving groove 621, and the driving block 622 can drive the connecting sleeve 623 to axially move in a direction away from the rotating shaft 521, and the limiting ring 626 pushes the clutch sleeve 624 to move along with the connecting sleeve 623, so that the first connecting block 523 is separated from the connecting groove 625, and the manual control can be performed under the condition of automatic control failure, and the device can be ensured to be used as usual; when switching the electric control, the operator rotates the crank 62 in the reverse direction to drive the driving block 622 to slide in the driving groove 621, and makes the driving block 622 drive the connecting sleeve 623 to move axially towards the rotating shaft 521, and the spacing ring 626 pushes the clutch sleeve 624 to move along with the connecting sleeve 623, so that the first connecting block 523 is inserted into the connecting groove 625, thereby facilitating the switching of the automatic control, and ensuring the stable control of the telescopic rod 4 and the regulation and control at any time through the dual-driving mode.

As a modified embodiment, telescopic link 4 is including a plurality of vertical connecting rods 42 that from top to bottom connects gradually, a plurality of breeding device 41 set up on corresponding connecting rod 42, two adjacent connecting rod 42 mutual sliding connection, counter weight 51 is installed at the lower extreme of connecting rod 42 of below, still install slide 35 on the expansion bracket 3, connecting rod 42 sliding connection of the top is on slide 35, connecting rod 42's leading flank is provided with spout 421 along length direction, spout 421 is the T shape, be provided with the slider 422 with the spout adaptation on connecting rod 42's the trailing flank, slider 422 is used for with the spout 421 sliding connection of top connecting rod 42, the upper and lower both ends of spout 421 all are provided with stopper 423, in order to be used for spacing slider 422.

Through above-mentioned scheme, stopper 423 all can be dismantled and install on connecting rod 42, and a plurality of connecting rods 42 are established ties to make the frictional force between slider 422 and the spout 421 great, or set up the device that increases the resistance, thereby make a plurality of connecting rods 42 downwardly extending in proper order, and keep mutual connection and bearing through stopper 423, ensure stable in structure.

As a modified specific embodiment, a fixing groove 44 is provided on the sliding block 422, a fixing spring 441 is provided in the fixing groove 44, and a latch 442 is slidably connected to the fixing groove 44, a latch hole 45 is provided in the sliding groove 421, a contact surface between the latch hole 45 and the latch 442 is an arc surface, and the fixing spring 441 pushes the latch 442 to be inserted into the latch hole 45, so that the sliding block 422 is fixed on the sliding groove 421.

Through the above scheme, the fixing spring 441 pushes the latch 442 to be inserted into the latch hole 45, so that the slider 422 is fixed on the sliding groove 421. The arc-shaped surface facilitates the fixture block 442 to be separated from the fixture hole 45 after being subjected to a certain force, and facilitates the connection rods 42 to sequentially extend into the water below the water surface, so that the cultivation device 41 can be arranged at equal intervals, and the water layer where the cultivation device 41 is located can be conveniently adjusted.

As a modified specific embodiment, a waist-shaped hole 425 is further formed in the connecting rod 42 along the length direction, the culture device 41 is connected with the mounting plate 43, a protrusion 431 is arranged on the mounting plate 43, the protrusion 431 is arranged in the waist-shaped hole 425 in a sliding mode, a threaded shaft 432 is arranged, the threaded shaft 432 extends out of the waist-shaped hole 425, and the fastening handle 46 is connected with the threaded shaft 432 in a threaded mode.

Through the scheme, the protrusion 431 slides along the length direction of the waist-shaped hole 425, the fastening handle 46 is rotated to be matched with the mounting plate 43 to clamp the connecting rod 42, and the breeding device 41 is fixed, so that the position of the breeding device 41 on the connecting rod 42 is adjusted, the use is convenient, a plurality of breeding devices 41 can be mounted, and the breeding distance is convenient to adjust.

As an improved specific embodiment, the extension bracket 2 includes a plurality of extension rods 21, the number of the expansion brackets 3 is plural, the plurality of expansion brackets 3 are disposed on the corresponding extension rods 21, a hinge 22 and an elastic member 23 for rotatably connecting the two adjacent extension rods 21 are disposed between the two adjacent extension rods 21, the hinge 22 and the elastic member 23 are respectively disposed at the left end and the right end of the connecting surface, the elastic member 23 is used for keeping the adjacent extension rods 21 folded or unfolded, and the elastic member 23 is a return spring or an air support.

Through above-mentioned scheme, a plurality of expansion brackets 3 are convenient for improve the breed scale, perhaps breed as the contrast group, are convenient for contrast, because the degree of depth in the mussel water layer of breed is difficult for changing, can play accurate contrast effect. The extension rod 21 is folded or unfolded by hand, so that the culture range can be conveniently adjusted. The extension rod 21 close to the floating frame 1 is fixedly connected with the floating frame, and the adjacent extension rod 21 rotates around the hinge 22 and is kept folded or unfolded through the elastic piece 23, so that the structure is kept stable and the use is convenient.

As a modified specific embodiment, a plurality of extension rods 21 are respectively provided with a groove 25 and a support plate 24 at both ends, and the support plate 24 is used for being inserted into the groove 25 of the adjacent extension rod.

Through above-mentioned scheme, recess 25 and the equal level setting of backup pad 24, backup pad 24 are used for inserting in the recess 25 of adjacent extension rod to strengthen connection between them, make stable in structure, strengthen the bearing, avoid crooked damage.

As a modified specific embodiment, the number of the extension bracket 2 is plural, and the plural extension brackets 2 are disposed around the floating frame 1 and are all connected with the air bag 13 at one end away from the floating frame 1.

Through the scheme, the plurality of extension brackets 2 are arranged around the floating frame 1 so as to avoid mutual interference. The return spring or the gas strut is used as the elastic part 23, which can keep the structure stable and is convenient for keeping the extension rod 21 folded or unfolded. The air bags 13 are matched with the two ends of the floating frame 1 for supporting, so that the buoyancy is stable and the floating frame is not easy to sink.

The floating frame 1 is connected with a plurality of floating bags 11 used for floating on the water surface, and the floating bags 11 are uniformly arranged below the floating frame 1. The plurality of the floating bags 11 are uniformly arranged to make the buoyancy uniform.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a mussel breeding device, is including floating frame (1), characterized by: the floating frame (1) is connected with an extension bracket (2), the extension bracket (2) is provided with a telescopic frame (3), the telescopic frames (3) are all provided with telescopic rods (4) and driving devices (5), the telescopic rod (4) is connected with a plurality of culture devices (41) for culturing mussels, the driving device (5) is used for driving the telescopic rod (4) to extend downwards, so that the culture device (41) sinks under the water surface, the driving device (5) comprises a shaft barrel (52), one end of the shaft cylinder (52) is rotationally connected to the telescopic frame (3), the other end of the shaft cylinder (52) is fixedly connected with a rotating handle (53), a connecting rope (54) is wound on the shaft barrel (52), the lower end of the telescopic rod (4) is connected with a counterweight (51), and one end of the connecting rope (54) is connected to the counterweight (51);

the telescopic rod (4) comprises a plurality of vertical connecting rods (42) which are sequentially connected from top to bottom, the breeding device (41) is arranged on the corresponding connecting rods (42), the two adjacent connecting rods (42) are in sliding connection with each other, the counterweight (51) is arranged at the lower end of the connecting rod (42) at the bottom, a sliding seat (35) is further arranged on the telescopic frame (3), the connecting rod (42) at the top is in sliding connection with the sliding seat (35), a sliding groove (421) is formed in the front side surface of the connecting rod (42) along the length direction, the sliding groove (421) is in a T shape, a sliding block (422) matched with the sliding groove is arranged on the rear side surface of the connecting rod (42), the sliding block (422) is used for being in sliding connection with the sliding groove (421) of the connecting rod (42) at the top, and limit blocks (423) are arranged at the upper end and the lower end of the sliding groove (421), for limiting the slider (422).

2. A mussel culturing apparatus according to claim 1, wherein: be connected with axis of rotation (521) on axle sleeve (52), axis of rotation (521) are rotated with expansion bracket (3) and are connected, be connected with rotating gear (522) on axis of rotation (521), still rotate on expansion bracket (3) and be connected with rotor plate (31) to be provided with uide bushing (32), rotor plate (31) are provided with guide way (311) along length direction, guide way (311) sliding connection has guide block (312), guide block (312) rotate and are connected with bolt (33), uide bushing (32) are passed to the one end of bolt (33) to on the card income rotating gear (522) to fixed rotating gear (522).

3. A mussel culturing apparatus according to claim 2, wherein: the telescopic frame (3) is further provided with a driving motor (34), the driving motor (34) is connected with a driving gear (341), the driving gear (341) is meshed with a rotating gear (522), a clutch device (6) is arranged on the rotating shaft (521), the clutch device (6) comprises a clutch support (61), the clutch support (61) is fixedly connected onto the telescopic frame (3) and is rotatably connected with a crank (62) and a clutch shaft (63), the lower end of the crank (62) is provided with a driving groove (621), the driving groove (621) is slidably connected with a driving block (622), the driving block (622) is rotatably connected with a connecting sleeve (623), the connecting sleeve (623) is rotatably connected with a clutch sleeve (624) and is provided with two limiting rings (626), and the two limiting rings (626) are respectively and fixedly connected to two sides of the connecting sleeve (623), the clutch mechanism is used for limiting a clutch sleeve (624), a connecting groove (625) is arranged in the clutch sleeve (624), the rotating gear (522) is fixedly connected to the clutch shaft (63), the clutch sleeve (624) is sleeved on the rotating shaft and the clutch shaft (63), a first connecting block (523) and a second connecting block (631) are respectively arranged on the rotating shaft (521) and the clutch shaft (63), the first connecting block (523) and the second connecting block (631) are arranged in the connecting groove (625) in a sliding mode, when manual control is switched, the crank (62) is rotated to drive the driving block (622) to move, the connecting sleeve (623) is driven to axially move in the direction far away from the rotating shaft (521), and the limiting ring (626) pushes the clutch sleeve (624) to move along with the connecting sleeve (623), so that the first connecting block (523) is separated from the connecting groove (625); when the electric control is switched, the crank (62) is rotated reversely, the driving block (622) is driven to move, the driving connecting sleeve (623) moves axially towards the rotating shaft (521), and the limiting ring (626) pushes the clutch sleeve (624) to move along with the connecting sleeve (623), so that the first connecting block (523) is inserted into the connecting groove (625).

4. A mussel culturing apparatus according to claim 1, wherein: the improved sliding block structure is characterized in that a fixing groove (44) is formed in the sliding block (422), a fixing spring (441) is arranged in the fixing groove (44), a clamping block (442) is connected to the fixing groove in a sliding mode, a clamping hole (45) is formed in the sliding groove (421), a contact surface between the clamping hole (45) and the clamping block (442) is an arc-shaped surface, and the fixing spring (441) pushes the clamping block (442) to be inserted into the clamping hole (45) so that the sliding block (422) is fixed to the sliding groove (421).

5. A mussel culture apparatus according to claim 4, wherein: still be provided with waist type hole (425) along length direction on connecting rod (42), breeding device (41) are connected with mounting panel (43), be provided with arch (431) on mounting panel (43), arch (431) slide and set up in waist type hole (425) to be provided with screw spindle (432), waist type hole (425) are stretched out in screw spindle (432) to threaded connection has fastening handle (46).

6. A mussel culture apparatus according to claim 5, wherein: extend support (2) including a plurality of extension rod (21), the quantity of expansion bracket (3) is a plurality of, and is a plurality of expansion bracket (3) set up on corresponding extension rod (21), adjacent two be provided with between extension rod (21) and be used for rotating articulated elements (22) and elastic component (23) of connecting both, articulated elements (22) and elastic component (23) set up respectively on connecting the left and right sides both ends of face, elastic component (23) are used for keeping adjacent extension rod (21) folding or expand, elastic component (23) are reset spring or gas strut.

7. A mussel culture apparatus according to claim 6, wherein: a plurality of be provided with recess (25) and backup pad (24) respectively on the both ends of extension rod (21), backup pad (24) are used for inserting in recess (25) of adjacent extension rod.

8. A mussel culturing device according to any of claims 1-7, wherein: the number of the extension supports (2) is a plurality of, and the extension supports (2) are arranged around the floating frame (1) and are connected with the air bags (13) at one end far away from the floating frame (1).