CN218789896U - Lifting type shrimp shell removing device - Google Patents

Abstract

The utility model discloses a lifting type shrimp shell removing device, which comprises a central tube and a cage type gate; a cavity for containing sewage is formed in the central pipe, and a sewage discharge outlet is formed at the lower end of the central pipe; the bottom end of the central pipe is communicated with a sewage discharge pipeline; a plurality of sewage passing holes are formed in the cage type gate, and the gate is sleeved outside the central pipe; wherein said cage gate is axially movable along said central tube. This application can the automatic clear shrimp shell to with functions integration such as drainage, blowdown, shrimp shell that remove on one set of device, the structure is succinct, convenient to use.

Description

Lifting type shrimp shell removing device

Technical Field

The utility model belongs to the technical field of aquaculture equipment, specifically speaking relates to lifting type removes shrimp shell device.

Background

At present, shrimp shells in a culture pond in the industrial circulating water shrimp culture process are mainly cleared by manpower, workers use tools such as net bags to carry out manual fishing, and the shrimp shells are influenced by factors such as water depth and poor underwater visibility and are difficult to operate and not thoroughly cleared.

Consequently, research and development promotes formula and removes shrimp shell device, can the automatic clear shrimp shell to with functions integration such as drainage, blowdown, remove shrimp shell on one set of device, the structure is succinct, convenient to use, the technical problem who awaits the solution for urgent need.

Disclosure of Invention

To the problem pointed out in the background art, the utility model provides a promote formula and remove shrimp shell device can the automatic clear shrimp shell to with drainage, blowdown, remove the function integration such as shrimp shell on one set of device, the structure is succinct, convenient to use.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a lifting shrimp shell removing device comprises a central tube and a cage type gate; a cavity for containing sewage is formed in the central tube, and a sewage discharge outlet is formed at the lower end of the central tube; the bottom end of the central pipe is communicated with a sewage discharge pipeline; a plurality of sewage passing holes are formed in the cage type gate, and the gate is sleeved outside the central pipe; wherein the cage gate is axially movable along the central tube.

In some embodiments of the present application, the apparatus further includes a driving portion and a transmission portion, wherein the driving portion drives the transmission portion to drive the cage gate to move axially along the central tube.

In some embodiments of the present application, the central pipe is provided with a plurality of sewage passing holes, and the sewage passing holes are arranged along a circumferential direction of the central pipe at intervals.

In some embodiments of the present application, the cage gate comprises a plurality of layers of cage filter members, the plurality of layers of cage filter members are sequentially sleeved outside the central tube, and the sewage passing holes of the plurality of layers of cage filter members are arranged in a staggered manner.

In some embodiments of the present application, the cage-type filtering member includes a fixing plate disposed opposite to each other in an up-down direction, and a plurality of cylinders having two ends respectively connected to the fixing plate disposed opposite to each other in the up-down direction, the plurality of cylinders are disposed at intervals along an axial direction of the central tube, and a gap between two adjacent cylinders is used for discharging sewage; the cylinder of the cage-type filtering component at the inner layer is staggered with the cylinder of the cage-type filtering component at the adjacent outer side.

In some embodiments of this application, the drive division includes cylinder and protection component, the protection component suit is in outside the cylinder, the output of cylinder with the center tube is connected, the cylinder body of cylinder with the one end of transmission portion is connected, the other end of transmission portion with cage gate is connected.

In some embodiments of this application, the protection component includes sealing connection's protective housing and flexible protective member, the protective housing suit is outside this body of cylinder, protective housing's lower extreme flexible protective member's upper end all with the transmission portion is connected, flexible protective member suit is outside the cylinder output, flexible protective member's lower extreme with center tube sealing connection.

In some embodiments of this application, still include anti-clogging portion, its suit is in the upper portion of drain the center tube is outside, anti-clogging portion contains a plurality of cleaning sheets, and is a plurality of the cleaning sheet is followed the circumference setting of center tube, the cleaning sheet is used for the clearance of crossing the bilge well.

In some embodiments of this application, a plurality of surface of water drain, a plurality of are seted up on the upper portion of center tube the surface of water drain is followed the circumference interval of center tube sets up.

In some embodiments of the present application, the transmission part includes a plurality of first connection rods, upper ends of the first connection rods are connected to the driving part, lower ends of the first connection rods are connected to the cage gate, and the plurality of first connection rods are spaced apart from each other in a circumferential direction of the center pipe.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the cage type gate is sleeved outside the central tube, the drain outlet is formed in the lower end of the central tube, the cage type gate is provided with a plurality of sewage passing holes, the cage type gate can move relative to the central tube in the axial direction, the cage type gate is sleeved outside the drain outlet through the movement of the cage type gate relative to the axial direction of the central tube, sewage in the culture pond sequentially passes through the sewage passing holes and the drain outlet and then is discharged through the drain pipeline, and the function of draining the lifting type shrimp shell removing device is realized; and the cage gate is moved away from the sewage discharge port, and impurities such as shrimp shells in the culture pond are directly discharged into a sewage discharge pipeline through the sewage discharge port, so that the automatic impurity discharge function of the lifting type shrimp shell removing device is realized. Thereby integrating functions of draining, discharging sewage, removing shrimp shells and the like on one set of device, and having simple structure and convenient use.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of an overall structure of a sewage discharge state according to a first embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of the impurity removal state according to the first embodiment of the present invention;

fig. 3 is a front view of the trash removal state according to the first embodiment of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;

fig. 6 is a schematic overall structure diagram of a cage gate according to a first embodiment of the present invention;

fig. 7 is a schematic view of the overall structure of the anti-blocking portion according to the first embodiment of the present invention;

fig. 8 is an overall structural diagram of a sewage discharge state according to a second embodiment of the present invention;

fig. 9 is a schematic overall structure diagram of a trash removal state according to a second embodiment of the present invention;

fig. 10 is a front view of a trash removal state according to a second embodiment of the present invention;

FIG. 11 is a cross-sectional view C-C of FIG. 10;

FIG. 12 is a cross-sectional view D-D of FIG. 10;

fig. 13 is a schematic view of the overall structure of a cage gate according to a second embodiment of the present invention;

fig. 14 is a schematic view of the overall structure of the anti-blocking portion according to the second embodiment of the present invention;

fig. 15 is a schematic view of the overall structure of a cage type filtering member according to a third embodiment of the present invention;

reference numerals:

100, a central tube;

110, a sewage draining outlet;

120, connecting the sealing plate;

130, a second connecting plate;

140, a sewage draining outlet on the water surface;

200, cage gates;

210, passing through a sewage hole;

220, a cage filter member;

231, an upper fixing plate;

232, a lower fixing plate;

233, a cylinder;

240, passing through a sewage through groove;

300, an anti-clogging portion;

310, a cleaning sheet;

320, a fixing ring;

330, a second connecting rod;

400, a driving part;

410, a cylinder;

411, a cylinder body;

412, cylinder output;

420, a guard assembly;

421, a protective housing;

422, a telescopic protection component;

500, a transmission part;

510, a first connecting rod;

520, a first connection plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Example one

In order to integrate and switch the functions of sewage and shrimp shell removal, as shown in fig. 1, 2, 3 and 4, the lifting type shrimp shell removing device comprises a central pipe 100 and a cage type gate 200.

The interior of the center tube 100 forms a cavity that contains the contaminated water. The bottom end of the central tube 100 is communicated with a sewage discharge pipeline, and the lower end of the central tube 100 is provided with a sewage discharge outlet 110.

After the lifting type shrimp shell removing device is inserted into the bottom of the culture pond, sewage in the culture pond can enter the central pipe 100 through the sewage discharge port 110, and then the sewage can be communicated with the sewage discharge pipeline due to the fact that the bottom end of the central pipe 100 is communicated with the sewage discharge pipeline.

But because not only sewage is stored in the culture pond, but also sundries such as shrimp shells can be stored, and the sundries such as the shrimp shells are driven by the impact of water flow and can be accumulated at the communication position of the bottom end of the central pipe 100 and the sewage discharge pipeline.

And the live shrimps in the culture pond can swim to the communication part of the bottom end of the central pipe 100 and the sewage discharge pipeline.

Therefore, if the drain outlet 110 opened at the lower end of the central tube 100 is large in size, the sewage, shrimp shells, and the like can be discharged into the sewage line through the drain outlet 110, and the live shrimps can be discharged therefrom, even if the live shrimps are present in the culture pond.

Meanwhile, if the size of the sewage drain 110 provided at the lower end of the central pipe 100 is small, sewage can be discharged therefrom into the sewage line, but the shrimp shells cannot be discharged in this manner even if there are no live shrimps present in the culture pond.

Therefore, the cage gate 200 is mounted on the central pipe 100. The cage gate 200 is provided with a sewage passing hole 210.

The width of the sewage passing hole 210 is small, so that only sewage can pass through the sewage passing hole, and the shrimp shells and the live shrimps cannot pass through the sewage passing hole.

The drain 110 is large in size, and can ensure that sundries such as shrimp shells can pass through.

Also, the cage gate 200 is movable relative to the center tube 100 in its axial direction.

When the lifting type shrimp shell removing device plays a role of draining sewage, as shown in fig. 1, the cage type gate 200 moves to the sewage draining outlet 110 along the central pipe 100, and at the moment, sewage in the culture pond sequentially passes through the sewage through hole 210 and the sewage draining outlet 110 and then is drained through the sewage draining pipeline.

When the lifting type shrimp shell removing device has the function of removing impurities, as shown in fig. 2, 3 and 4, live shrimps can be emptied in the culture pond, the cage type gate 200 leaves the sewage draining outlet 110 along the central pipe 100, and at the moment, the impurities such as the shrimp shells in the culture pond are directly drained to a sewage draining pipeline through the sewage draining outlet 110.

In this embodiment, cage gate 200 takes the form of a multi-layer cage filter assembly 220.

The multi-layer cage filter 220 is sequentially nested outside the center tube 100. The sewage passing holes 210 formed in the multi-cage type filtering member 220 are alternately arranged.

If the live shrimp volume in the breed pond is less, through the suit after outer cage filtering component 220 accidentally, because the sewage hole 210 crisscross setting of crossing of seting up on adjacent two-layer cage filtering component 220, through the live shrimp of outermost cage filtering component 220, difficult cage filtering component 220 that passes through. Thereby reducing the likelihood of live shrimp escaping.

In this embodiment, the cage filter 220 has a plurality of layers, and the number of layers is not limited. Specifically, as shown in fig. 5, 6 and 7, the cage type filtering member 220 is two-layered in number. Two layers are illustrated here as an example.

In this embodiment, the specific shape of the waste water hole 210 is not limited, and it is sufficient to ensure that the shrimp shell and the live shrimps cannot pass through. Specifically, as shown in fig. 1, 2, 3, 4, 5, 6, and 7, the cage type filter member 220 includes upper and lower oppositely disposed fixing plates, which are herein defined as an upper fixing plate 231 and a lower fixing plate 232, respectively, and a plurality of columns 233. Both ends of the cylinder 233 are connected to the upper fixing plate 231 and the lower fixing plate 232, respectively.

A gap is formed between two adjacent cylinders 233, and sewage can pass through the gap, but normal shrimp shells and live shrimps cannot pass through the gap.

In the present embodiment, the plurality of cylinders 233 are uniformly arranged in the axial direction of the center pipe. The cylindrical columns 233 of the two cage-type filtering members 220 are alternately arranged. Thereby more effectively preventing the live shrimps with smaller sizes from escaping.

When the cage gate 200 uses the gap formed between the two cylinders 233 as the sewage passing hole 210, an anti-blocking part 300 for cleaning up foreign materials remaining in the gap between the two cylinders 233 of the outermost cage type filtering member 220 may be provided.

Specifically, the anti-clogging portion 300 includes a plurality of cleaning sheets 310, a fixing ring 320, and a plurality of second connecting bars 330.

The cleaning sheet 310 is coupled to the fixing ring 320 by a plurality of second coupling bars 330. In order to make the connection more secure, the plurality of second connecting bars 330 are uniformly arranged.

The fixing ring 320 is detachably coupled to the lower portion of the central pipe 100 such that the entire anti-clogging portion 300 is positioned above the soil discharge opening 110.

The cage gate 200 is sleeved outside the sewage draining outlet 110, the shrimp shell automatic removing device is in a sewage draining state, and the anti-blocking part 300 is not in contact with the cage gate 200; cage gate 200 moves up along center tube 100 so that cage gate 200 leaves drain outlet 110, contacting with blocking prevention part 300, blocking prevention part 300 cleans up cage gate 200.

Specifically, a plurality of cleaning sheets 310 are connected to each other at intervals along the axial direction of the center tube 100.

In consideration of the practical application process, the cage type filtering component 220 positioned on the outer layer of the cage type gate 200 is directly contacted with sundries in the culture pond, sundries are easy to remain in the gap where sewage passes through, and therefore the anti-blocking part 300 only needs to clean the cage type filtering component 220 positioned on the outer side.

Here, specifically, as shown in fig. 7, a gap formed between adjacent two columns 233 of the cage type filtering member 220 is the sewage passing hole 210. The cleaning sheet 310 is required to clean the gap between two adjacent cylinders 233.

Here, the position of the cleaning sheet 310 corresponds to the position of the gap of two adjacent cylinders 233. Also, both sides of the cleaning sheet 310 are conformal with two adjacent cylinders 233. So that the cleaning sheet 310 is inserted into the gap between two adjacent cylinders 233, the cleaning sheet 310 cleans the surfaces of the cylinders on both sides and the gap.

In this embodiment, in order to realize the movement of the anti-clogging portion 300 along the center pipe 100, a driving portion 400 and a transmission portion 500 are further provided. The driving part 400 drives the cage gate 200 to move along the central pipe 100 through the transmission part 500.

In this embodiment, the specific form of the driving part 400 is not limited, and the cage gate 200 can be driven by the transmission part 500 to move along the axial direction of the central tube 100.

The specific form of the transmission part 500 is not limited, and the stable connection between the driving part 500 and the cage gate 200 can be realized.

Specifically, the driving unit 400 may be a cylinder 410. The cylinder 410 includes a cylinder body 411 and a cylinder output 412.

Specifically, the cylinder outlet 412 is connected to the upper end of the center tube 100 by a connecting seal plate 120. A connecting seal plate 120 can seal the upper end of the center tube 100 and connect with the cylinder outlet 412. Since the center tube 100 is fixed, the cylinder output 412 is also fixed.

Specifically, the transmission portion 500 may employ a plurality of first connecting rods 510. The upper end of the first connection rod 510 is connected to the cylinder 410, and the lower end of the first connection rod 510 is connected to the cage gate 200. A plurality of first connecting rods 510 are arranged at intervals along the axial direction of the base pipe 100.

Specifically, the cylinder body 411 is connected to a plurality of first connection rods 510 through a first connection plate 520. Because the cylinder output end 412 is fixed, when the cylinder 410 works, the cylinder body 411 drives the plurality of first connecting rods 510 to move through the first connecting plate 520. Thereby realizing the driving of the cage gate 200.

Because the promotion formula is used in breeding the pond except that the shrimp shell device, is full of sewage in breeding the pond, and the environment is moist, for the life of guaranteeing cylinder 410, still overlaps at cylinder 410 and is equipped with protection component 420.

The shield assembly 420 includes a shield housing 421 and a telescoping shield member 422 that are sealingly connected.

Specifically, the lower end of the protective housing 421 is connected to the upper end of the telescopic protective member 422 in a sealing manner.

The protective housing 421 is installed outside the cylinder body 411 in a sleeved manner, and the lower end of the protective housing 421 is connected to the first connection plate 520. The upper end of the telescopic shield member 422 is connected to the first connection plate 520. The lower end of the telescopic shield member 422 is connected to the central tube 100 by a second connecting plate 130. The second connecting plate 130 is provided with a through hole for the transmission part 400 to pass through and move relatively.

Therefore, when the cylinder 410 outputs power, the cylinder body 411 drives the protection housing 421 to move, and simultaneously drives the telescopic protection component 422 to extend and contract. Thereby achieving the overall protection of the driving part 400.

In this embodiment, since the sewage enters the central pipe 100 to a certain height, impurities float on the water surface in the central pipe 100, and a water surface sewage outlet 140 is opened at the upper part of the central pipe 100, so that the impurities can be discharged.

Example two

In the present embodiment, as shown in fig. 8, 9, 10, and 11, the center tube 100, the driving part 400, and the transmission part 500 are the same as those of the first embodiment. Cage gate 200 and anti-blocking portion 300 used with it are different from those of the first embodiment.

As shown in fig. 12, 13 and 14, the cage gate 200 is a single-layered barrel structure, and a plurality of sewage passing holes 210 extending in a vertical direction are formed in the single-layered barrel structure and are embodied in the form of a sewage passing through groove 240.

The width of the through slots 240 for passing sewage is narrow, so that only sewage can pass through.

The through-sewage slots 240 are arranged at intervals in the circumferential direction of the central pipe 100.

The anti-clogging portion 300 includes a plurality of cleaning sheets 310, a fixing ring 320, and a plurality of second connecting bars 330, as in the first embodiment. The cleaning sheet 310 is coupled to the fixing ring 320 by a plurality of second coupling bars 330. In order to make the connection more secure, the plurality of second connecting bars 330 are uniformly arranged. The fixing ring 320 is detachably coupled to the lower portion of the central pipe 100 such that the entire anti-clogging portion 300 is positioned above the soil outlet 110. The cage gate 200 is sleeved outside the sewage draining outlet 110, the shrimp shell automatic removing device is in a sewage draining state, and the anti-blocking part 300 is not in contact with the cage gate 200; cage gate 200 moves up along center tube 100 so that cage gate 200 leaves drain outlet 110, contacting with blocking prevention part 300, blocking prevention part 300 cleans up cage gate 200.

Specifically, in the present embodiment, a plurality of cleaning sheets 310 are connected to each other at intervals in the circumferential direction of the center tube 100.

Specifically, as shown in fig. 11, the cleaning sheet 310 may clean the through-sewage groove 240.

Here, the position of the cleaning sheet 310 corresponds to the position of the sewage through groove 240. Moreover, the two sides of the cleaning sheet 310 are designed to follow the shape of the sewage through groove 240. So that the cleaning sheet 310 extends into the through-sewage groove 240 and the cleaning sheet 310 cleans the through-sewage groove 240.

EXAMPLE III

In the present embodiment, as shown in fig. 8, 9, 10, and 11, the center tube 100, the driving part 400, the anti-clogging part 300, and the transmission part 500 are the same as those of the first embodiment. Cage gate 200 differs from the first embodiment.

In the present embodiment, as shown in fig. 15, the through-waste-water hole 210 is formed in the same manner as in the first embodiment, that is, the gap formed between two adjacent cylinders 233 is the through-waste-water hole 210.

In this embodiment, the difference from the first embodiment is that the first embodiment includes a plurality of cage type filtering members 220, and in this embodiment, as shown in fig. 15, only one cage type filtering member 220 is included.

In this embodiment, the difference from the second embodiment is that the sewage passing hole 210 is formed in a different manner. In this embodiment, as shown in fig. 15, the sewage passing hole 210 is formed by a gap between two adjacent columns 233.

A plurality of cylinders 233 are provided at intervals in the circumferential direction of the center tube 100, and the upper and lower ends of the cylinders 233 are connected to the upper and lower fixing plates 231 and 232, respectively.

A gap is formed between two adjacent cylinders 233, and sewage can pass through the gap, but in general, normal-volume shrimp shells and live shrimps cannot pass through the gap.

Since the anti-clogging portion 300 of the first embodiment is used to clean up impurities left in the gap between the two cylinders 233 of the outermost cage filter 220, in the present embodiment, the cage gate 200 includes only one multi-layer cage filter 220, and thus, the anti-clogging portion 300 of the first embodiment has the same structure.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. Promote formula shrimp shell device that removes, its characterized in that includes:

the sewage treatment device comprises a central pipe, a sewage treatment device and a sewage treatment device, wherein a cavity for containing sewage is formed in the central pipe, and a sewage discharge outlet is formed in the lower end of the central pipe; the bottom end of the central pipe is communicated with a sewage discharge pipeline;

the cage type gate is provided with a plurality of sewage passing holes and is sleeved outside the central pipe;

wherein the cage gate is axially movable along the central tube.

2. The lift type shrimp shell removing apparatus of claim 1 further comprising a drive portion and a transmission portion, wherein the drive portion drives the transmission portion to move the cage gate axially along the central tube.

3. The lifting shrimp shell removing device of claim 1 wherein the dirty water through holes are formed axially along the central tube and a plurality of the dirty water through holes are spaced circumferentially along the central tube.

4. A lifting shrimp shell removing apparatus as claimed in claim 1, wherein said cage gate comprises a plurality of layers of cage filter members, said plurality of layers of cage filter members being sequentially nested outside said central tube, said sewage passing holes of said plurality of layers of cage filter members being staggered.

5. The lifting shrimp shell removing apparatus of claim 4 wherein,

the cage type filtering component comprises fixing plates which are arranged oppositely up and down and a plurality of cylinders of which two ends are respectively connected with the fixing plates which are arranged oppositely up and down, the plurality of cylinders are arranged at intervals along the axial direction of the central tube, and the gap between two adjacent cylinders is used for draining sewage;

the cylinder of the cage-type filtering component at the inner layer is staggered with the cylinder of the cage-type filtering component at the adjacent outer side.

6. The lifting type shrimp shell removing device as claimed in claim 2, wherein the driving part comprises a cylinder and a protection component, the protection component is sleeved outside the cylinder, the output end of the cylinder is connected with the central tube, the cylinder body of the cylinder is connected with one end of the transmission part, and the other end of the transmission part is connected with the cage gate.

7. The lift type shrimp shell removing device of claim 6 wherein the shield assembly comprises a shield shell and a telescopic shield member, the shield shell and the telescopic shield member are hermetically connected, the shield shell is sleeved outside the cylinder body, the lower end of the shield shell and the upper end of the telescopic shield member are both connected with the transmission part, the telescopic shield member is sleeved outside the cylinder output end, and the lower end of the telescopic shield member is hermetically connected with the central tube.

8. The lift-type shrimp shell removing apparatus of claim 1 further comprising an anti-clogging portion fitted around the center tube at an upper portion of the discharge outlet, the anti-clogging portion comprising a plurality of cleaning sheets arranged along a circumferential direction of the center tube, the cleaning sheets being used for cleaning the through-sewer hole.

9. The lifting type shrimp shell removing device as claimed in claim 1, wherein a plurality of water surface sewage outlets are formed in the upper portion of the central tube, and the water surface sewage outlets are arranged at intervals along the circumference of the central tube.

10. The lifting shrimp shell removing apparatus of claim 2 wherein the drive section includes a plurality of first connecting rods, upper ends of the first connecting rods being connected to the drive section, lower ends of the first connecting rods being connected to the cage gates, the plurality of first connecting rods being spaced circumferentially of the center tube.

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