Automatic clam collecting device

Abstract

The application discloses an automatic clam collecting device, which comprises a traveling device body, a rotary soil breaking device, a clam harvesting device and a left-right adjusting device. The rotary soil breaking device comprises a drill bit base, spiral blades and a first driving device. The spiral blades are arranged around the drill bit base. The drill bit base is provided with a hollow rotating shaft. The first driving device drives the drill bit base to rotate. The clam harvesting device comprises a suction pipe, a slurry pump, a water outlet pipe and a screen. The suction pipe is connected with the hollow rotating shaft and the slurry pump. The water outlet pipe is connected with the slurry pump. The tail end is arranged above the screen. The screen is used for screening the mixture of sludge and clams pumped out by the slurry pump. The left-right adjusting device comprises an adjusting box, a rocker and a second driving device. The adjusting box is arranged on the traveling device body. The rocker is hinged to the adjusting box and arranged with the rotary soil breaking device. The second driving device drives the rocker to swing left and right. The application can loosen the sludge and then suck and capture the clams. The covering area is large, and the capturing efficiency is high.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of mollusk capturing device, in particular to a kind of clam automatic collection device. BACKGROUND

[0002] Clam, also known as Sinonovacula, is a bivalve mollusk living in the intertidal zone of the ocean. With the pursuit of healthy diet and the continuous expansion of aquatic product market, clam aquaculture industry has gradually emerged.

[0003] Traditional clam collection methods usually rely on manual labor, which is inefficient and costly. There is an urgent need for a more efficient and intelligent collection device to meet market demand. Existing automatic clam capturing devices still mainly simulate manual collection methods by sprinkling salt on the nest of clams and then grabbing the exposed clams. This collection method is inefficient and not suitable for rapid collection in large areas. Moreover, some clams may hide in the bottom or other hard-to-reach places, resulting in incomplete collection. SUMMARY

[0004] In view of the above technical defects, the task of the present application is to provide a clam automatic collection device to improve the collection efficiency of clams in a large area.

[0005] The technical solution of the present application is as follows: a clam automatic collection device, comprising a traveling device body, a rotary soil breaking device, a clam harvesting device and a left-right adjusting device;

[0006] The rotary soil breaking device comprises a drill bit base, a spiral blade and a first driving device. A plurality of spiral blades are arranged around the drill bit base. The drill bit base is provided with a hollow shaft. The inlet end of the central shaft is arranged on the drill bit base. The first driving device drives the drill bit base to rotate.

[0007] The clam harvesting device comprises a suction pipe, a mud pump, a water outlet pipe and a screen. The head end of the suction pipe is connected to the outlet end of the hollow shaft. The tail end of the suction pipe is connected to the inlet of the mud pump. The head end of the water outlet pipe is connected to the outlet of the mud pump. The tail end of the water outlet pipe is arranged above the screen. The screen is arranged on the traveling device body to screen the mixture of mud and clams pumped out by the mud pump.

[0008] The left-right adjusting device comprises an adjusting box, a rocker and a second driving device. The adjusting box is arranged on the traveling device body. The end of the rocker is hinged to the adjusting box. The front end of the rocker is arranged on the rotary soil breaking device. The second driving device drives the rocker to swing left and right.

[0009] Further, in order to facilitate the collection of different depths of farmed water clam, the automatic clam collecting device further comprises a winch and a chain, the adjusting box is hinged to the traveling device body, the chain is connected to the adjusting box, the length of the chain is adjusted by the winch, and the adjusting box rotates up and down when the length of the chain changes.

[0010] Further, the rocker extends from the first side of the adjusting box, the chain is connected to the second side of the adjusting box, and the first side and the second side are located on the two sides of the hinge shaft of the adjusting box and the traveling device body respectively; when the chain is extended, the front end of the rocker is lowered.

[0011] Further, the hollow rotating shaft is connected to the rocker through a bearing, the first driving device comprises a first speed reducer motor and a gear transmission mechanism, the first speed reducer motor is fixed to the rocker, and the first speed reducer motor drives the hollow rotating shaft to rotate through the gear transmission mechanism.

[0012] Further, the second driving device comprises a second speed reducer motor, a crank and a connecting rod, the second speed reducer motor drives the crank to rotate, the head end of the crank is hinged to the first end of the connecting rod, and the second end of the connecting rod is hinged to the middle part of the rocker.

[0013] Further, the clam harvesting device comprises a collecting box, the collecting box is arranged on the traveling device body and located on the first side of the screen.

[0014] Further, the second side of the screen extends out of the traveling device body. The silt and water falling through the screen can directly return to the farmed water area.

[0015] Further, the adjusting box is arranged at the tail of the traveling device body, and the rocker extends backward from the tail of the traveling device body.

[0016] Further, the traveling device body is a ship.

[0017] Further, the mud pump and the adjusting box are located on the left and right sides of the tail of the traveling device body. The mud pump and the adjusting box are distributed on the two sides, which is good in balance, and especially when a ship is used as the traveling device body, it is beneficial to the stability of the device during operation.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The present application adopts a rotary soil breaking device to loosen the silt and then sucks to capture clams, without distinguishing the clam nests for capturing one by one, and cooperates with the left and right adjusting devices to swing left and right while advancing, expands the coverage range in one advance, realizes large-area clam harvesting, and improves the capture efficiency. Attached Figure Description

[0020] Figure 1 This is a front view schematic diagram of an automatic clam collection device according to an embodiment.

[0021] Figure 2 This is a top view schematic diagram of the automatic clam collection device according to an embodiment.

[0022] Figure 3 This is a schematic diagram of the automatic clam collection device in operation according to an embodiment.

[0023] Figure 4 This is a schematic diagram of the operating range of the automatic clam collection device in this embodiment.

[0024] Figure 5 This is a schematic diagram of a clam harvesting device.

[0025] Figure 6 This is a schematic diagram of the left and right adjustment device.

[0026] Figure 7 This is a schematic diagram showing the connection between the winch chain and the regulating box.

[0027] Figure 8 This is a schematic diagram of the structure of the hollow rotating shaft and rocker arm of the rotating soil breaking device. Detailed Implementation

[0028] The present invention will be further described below with reference to embodiments, but these are not intended to limit the scope of the invention.

[0029] Please combine Figures 1 to 8 As shown, this embodiment relates to an automatic razor clam collection device, including a traveling device body, a rotating soil-breaking device, a razor clam harvesting device, and a left-right adjustment device. The traveling device body is the main part; in this embodiment, the traveling device body is a hull 13, which is driven by a propeller and can move on the water surface, suitable for catching razor clams on the surface of aquaculture waters. It should be noted that the traveling device body can also be a vehicle with wheels. Such devices are suitable for catching clams in tidal flats with shallow water layers, areas unsuitable for propeller-driven hulls. Therefore, different types of traveling device bodies can be selected according to the area to be operated. This embodiment uses a hull 13 as the traveling device body for description.

[0030] The aforementioned rotating soil-breaking device, razor clam harvesting device, and left-right adjustment device are all installed on the hull 13.

[0031] The rotating soil breaking device mainly comprises a drill bit protection device 1, helical blades 2, a drill bit base 3, a hollow rotating shaft 23 and a first driving device. The drill bit base 3 is fixedly installed at one end of the hollow rotating shaft 23, and the inlet end of the hollow rotating shaft 23 is arranged on the drill bit base 3. The helical blades 2 are provided in multiple pieces, the helical blades 2 surround the drill bit base 3 and are fixed at the bottom end of the drill bit base 3, and the top end of the helical blades 2 is fixed with the drill bit protection device 1. The multiple helical blades 2 form a hollow cone with a small head and a large bottom.

[0032] The first driving device is used to drive the drill bit base 3 to rotate, thereby driving the cone formed by the multiple helical blades 2 to rotate, so as to loosen the silt. The first driving device is installed on the rocker 5 of the left-right adjusting device. The hollow rotating shaft 23 is rotatably installed on the rocker 5 through a bearing 21 and a corresponding bearing seat. In this embodiment, the hollow rotating shaft 23 is arranged along the length direction of the rocker 5. The first driving device comprises a spur gear transmission structure 14, a shaft coupling 8 and a first speed reducer motor 4. The first speed reducer motor 4 is connected to the rocker 5 by bolts, the spur gear transmission structure 14 comprises two spur gears, the shaft of one of the spur gears is connected to the motor shaft of the first speed reducer motor 4 through the shaft coupling 8, and the gear meshing with the spur gear is fixedly installed on the hollow rotating shaft 23. Through the rotation of the first speed reducer motor 4 and the transmission of the spur gear transmission structure 14, the hollow rotating shaft 23 drives the drill bit base 3 to rotate, thereby driving the cone formed by the multiple helical blades 2 to rotate.

[0033] The clam harvesting device comprises a suction pipe 9, a water outlet pipe 6, a screen 7, a slurry pump 18, a collection box 20 and a screen support 17. The slurry pump 18, the collection box 20 and the screen support 17 are connected to the ship body 13 by bolts, wherein the slurry pump 18 is installed on one side of the tail of the ship body 13, the inlet of the slurry pump 18 is connected to the tail end of the suction pipe 9, and the head end of the suction pipe 9 is connected to the outlet end of the hollow rotating shaft 23. Since the rotating soil breaking device needs to be swung by the left-right adjusting device, the suction pipe 9 can be provided with a flexible pipe for easy movement. The screen support 17 is connected to the middle part of the ship body 9, and the screen 7 is fixed on the screen support 17. The outlet of the slurry pump 18 is connected to the head end of the water outlet pipe 6, and the tail end of the water outlet pipe 6 is arranged above the screen 7. The screen 7 has opposite first and second sides, wherein the first side of the screen 7 is located in the ship body 13, the second side of the screen 7 extends from the side of the ship body 13, and the collection box 20 is received on the first side of the screen 7. The mixture of silt, clams and water pumped out by the slurry pump 18 falls on the screen 7 through the water outlet pipe 6, most of the silt and water returns to the breeding water area through the screen 7, and the filtered clams are collected from the screen 7 into the collection box 20.

[0034] The left-right adjusting device is used to swing the rotating soil breaking device left and right to match the large area coverage when the traveling device body travels. The left-right adjusting device comprises an adjusting box 10, a rocker 5 and a second driving device. The adjusting box 10 is hingedly installed on one side of the tail of the ship body 13 opposite to the mud pump 18 to balance the tail of the ship body 13 left and right and improve the stability. The end of the rocker 5 is hingedly connected to the top of the adjusting box 10, and the rocker 5 extends backward from the tail of the ship body 13. The second driving device is installed on the adjusting box 10 to drive the rocker 5 to swing. The second driving device comprises a second reduction motor 12, a bevel gear transmission mechanism 11, a connecting rod 15 and a crank 16. The bevel gear transmission mechanism 11 comprises two bevel gears meshing with each other. The motor shaft of the second reduction motor 12 is connected to the rotating shaft of one bevel gear. One end of the crank 16 is connected to the rotating shaft 25 of the other bevel gear and is rotatably arranged on the adjusting box 10. The first end of the connecting rod 15 is hingedly connected to the head end of the crank 16, and the second end of the connecting rod 15 is hingedly connected to the middle part of the rocker 5. Thus, when the second reduction motor 12 operates, the crank 16 is driven to rotate through the transmission of the bevel gear transmission mechanism 11, and the rocker 5 is further swung. The aforementioned rotating soil breaking device is installed on the rocker 5, the rocker 5 is arranged obliquely downward, and the spiral blade 2 of the rotating soil breaking device contacts the mud to loosen the mud. Since the water depth of the breeding water area is different, and the spiral blade 2 should be separated from the mud when the ship body 13 is not working to facilitate the movement of the position. The manual self-locking winch 19 and the chain 22 are further installed on the tail of the ship body 13, and the hinged shaft of the adjusting box 10 is horizontally arranged. For the convenience of description, the adjusting box 10 is divided into a first lateral side and a second lateral side on both sides of the hinged shaft. The first lateral side is the side facing the tail end of the ship body 13, and the second lateral side is the side facing the head end of the ship body 13. The rocker 5 extends from the first lateral side of the adjusting box 10, the manual self-locking winch 19 is fixed on the ship body 13 by bolts, and the chain 22 wound on the manual self-locking winch 19 is connected to the second lateral side of the adjusting box 10. By operating the manual handle 24 of the manual self-locking winch 19, the manual self-locking winch 19 is rotated to adjust the length of the chain 22. When the chain 22 is elongated, the front end of the rocker 5 installed with the rotating soil breaking device is lowered to reduce the inclination of the rocker 5 and increase the working depth of the rotating soil breaking device. When the work is stopped, the chain 22 is shortened by the manual self-locking winch 19, the front end of the rocker 5 is lifted, and the rotating soil breaking device is separated from the mud or even lifted out of the water.

[0035] In operation, the angle of the adjusting box 10 is adjusted by manually controlling the length of the chain 22 through the handle 24, so that the rotating soil breaking device reaches the appropriate position. The rotating soil breaking device is driven by the first reduction motor 4 to break the soil, and the rocker 5 is driven by the second reduction motor 12 to swing left and right. During the operation of the spiral blade 2, the mixture of clams and silt is separated by the mud pump 18, and then passes through the suction pipe 9, the mud pump 18, the water outlet pipe 6, and finally the screen 7 to return to the bottom of the water, and the clams fall into the collection box 20. The swing of the rocker 5 can drive the rotating soil breaking device to swing to realize larger area of clam collection work. When the device is not working, the rotating soil breaking device and the ship body 13 are kept horizontal by the manual self-locking winch 19, so as to ensure the normal walking of the ship body 13 when not working.

Claims

1. An automatic clam collecting device, characterized by, The device comprises a traveling device body, a rotary soil breaking device, a clam harvesting device, a left-right adjusting device, a winch, a chain and a collection box. The rotary soil breaking device comprises a drill bit base, spiral blades and a first driving device, a plurality of spiral blades are arranged around the drill bit base, the drill bit base is provided with a hollow rotating shaft, the inlet end of the hollow rotating shaft is arranged on the drill bit base, and the first driving device drives the drill bit base to rotate. The clam harvesting device comprises a suction pipe, a mud pump, a water outlet pipe and a screen, the head end of the suction pipe is connected with the outlet end of the hollow rotating shaft, the tail end of the suction pipe is connected with the inlet of the mud pump, the head end of the water outlet pipe is connected with the outlet of the mud pump, the tail end of the water outlet pipe is arranged above the screen, and the screen is arranged on the traveling device body to screen the mixture of mud and clams pumped out by the mud pump. The collection box is arranged on the traveling device body and located at the first side of the screen. The left-right adjusting device comprises an adjusting box, a rocker and a second driving device, the adjusting box is arranged on the traveling device body, the tail end of the rocker is hinged to the adjusting box, the front end of the rocker is arranged on the rotary soil breaking device, and the second driving device drives the rocker to swing left and right. The adjusting box is hinged to the traveling device body, the chain is connected with the adjusting box, the length of the chain is adjusted by the winch, the adjusting box rotates up and down when the length of the chain changes, the rocker extends from the first side of the adjusting box, the chain is connected to the second side of the adjusting box, the first side and the second side are respectively located on the two sides of the hinge shaft of the adjusting box and the traveling device body, and the front end of the rocker is lowered when the chain is elongated. The hollow rotating shaft is connected to the rocker through a bearing, the first driving device comprises a first reduction motor and a gear transmission mechanism, the first reduction motor is fixed to the rocker, the first reduction motor drives the hollow rotating shaft to rotate through the gear transmission mechanism, and the second driving device comprises a second reduction motor, a crank and a connecting rod, the second reduction motor drives the crank to rotate, the head end of the crank is hinged to the first end of the connecting rod, and the second end of the connecting rod is hinged to the middle part of the rocker.

2. The automatic clams collecting device according to claim 1, characterized in that, The second side of the screen extends out of the traveling device body.

3. The automatic clams collecting device according to claim 1, wherein, The adjusting box is arranged at the tail of the traveling device body, and the rocker extends backward from the tail of the traveling device body.

4. The automatic clams collecting device according to claim 1, wherein, The traveling device body is a ship.

5. The automatic clams collecting device according to claim 4, wherein, The mud pump and the adjusting box are located on the left and right sides of the tail of the traveling device body. The traveling device body is a ship.

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