CN110720441B - Sinking type crab pot with sensor - Google Patents

Sinking type crab pot with sensor Download PDF

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Publication number
CN110720441B
CN110720441B CN201910934185.6A CN201910934185A CN110720441B CN 110720441 B CN110720441 B CN 110720441B CN 201910934185 A CN201910934185 A CN 201910934185A CN 110720441 B CN110720441 B CN 110720441B
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crab
cylinder
rotating shaft
pot
rod
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CN110720441A (en
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朱文斌
朱海晨
戴乾
卢占晖
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Zhejiang Marine Fisheries Research Institute
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Zhejiang Marine Fisheries Research Institute
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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
    • A01K80/00Harvesting oysters, mussels, sponges or the like

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a submersible crab pot with a sensor, and aims to provide a submersible crab pot with a sensor, which can effectively solve the problems that the conventional crab pot is inconvenient to operate by turning on a light-emitting lamp and the crab catching efficiency of the crab pot is reduced because an operator forgets to turn on the light-emitting lamp. The crab catching device comprises a crab catching cylinder and a trigger type light-emitting device arranged in the crab catching cylinder, wherein the trigger type light-emitting device comprises a light-emitting lamp and a water pressure sensor, and when the water pressure detected by the water pressure sensor is greater than a set value, the light-emitting lamp is lightened to attract crabs to enter the crab catching cylinder.

Description

Sinking type crab pot with sensor
Technical Field
The invention relates to a crab catching device, in particular to a sinking type crab pot with a sensor.
Background
At present, the quality of aquatic products living in offshore areas is seriously influenced by environmental pollution, and meanwhile, along with the improvement of living standard of people, the quality problems of the aquatic products are more and more concerned when the production and consumption yield of the aquatic products are greatly improved, so that the research on whether the quality of the aquatic products is influenced by the pollution is gradually focused.
In order to capture crabs for monitoring product quality, a crab trap is generally adopted for trapping crabs, and in order to improve the crab trapping efficiency, a light-emitting lamp is generally arranged in the crab trap to attract the crabs to enter a crab trapping cylinder; the crab pot of this kind at present taking luminescent light needs the manual work to open the luminescent light before the crab pot launching, then drops into the aquatic with the crab pot, because the luminescent light is arranged in the cage, not only opens the luminescent light operation inconvenient, and the operator can forget often moreover to open the luminescent light, leads to the crab pot's crab efficiency of catching to reduce.
On the other hand, the existing crab pot generally catches crabs at fixed points, namely the crab pot is supported on the seabed in a fixed mode and waits for crabs to enter; however, in the case that the temperature of the sea water is lower than 10 ℃ (for example, in autumn and winter), the crabs generally remain on the sea bottom and have weak mobility, so that once no crabs exist in a few meters near the crab pot, the problem that the crabs cannot be captured for a long time often occurs, and the efficiency of fixed-point crab capture is extremely low.
Disclosure of Invention
The invention aims to provide a sensor-containing sinking type crab pot which can effectively solve the problems that the operation of turning on a light-emitting lamp is inconvenient, and the crab pot efficiency is reduced because an operator forgets to turn on the light-emitting lamp.
The second purpose of the invention is to provide a bottom sinking type crab pot with a sensor, which is particularly suitable for being applied in a sea area with low seawater temperature to improve the crab catching efficiency, thereby effectively solving the problem that the existing fixed-point crab catching mode is low in seawater temperature, so that crabs cannot be caught for a long time and the crab catching efficiency is extremely low due to weak crab activity.
The technical scheme of the invention is as follows:
the utility model provides a bottom-sinking type crab pot with sensor, includes a crab pot and sets up the trigger formula illuminator in the crab pot, trigger formula illuminator includes luminescent light and water pressure sensor, and when water pressure sensor's the water pressure that detects was greater than the setting value, light-emitting light for lure the crab to get into the crab pot. Therefore, when crabs are caught, the sinking type crab pot can be directly thrown into water, and in the process that the sinking type crab pot sinks, the water pressure of seawater is detected through the water pressure sensor to trigger and light the light-emitting lamp for luring the crabs to enter the crab pot, so that the light-emitting lamp does not need to be manually lightened, and the problem that the existing crab pot is inconvenient to operate when the light-emitting lamp is turned on and often reduces the crab catching efficiency of the crab pot because an operator forgets to turn on the light-emitting lamp can be effectively solved.
Preferably, the crab pot is cylindrical, the crab pot is supported on the seabed through the outer peripheral surface, the self-walking device comprises a rotating shaft rod which is rotatably arranged on the crab pot and is coaxial with the crab pot, a balance weight which is positioned in the crab pot and is used for changing the gravity center of the crab pot, a radial connecting rod which is connected with the balance weight and the rotating shaft rod, a driving gear which is rotatably arranged on the rotating shaft rod through a one-way bearing, a driving rack which is meshed with the driving gear and a tidal energy driving mechanism, the tidal energy driving mechanism is used for driving the rack to reciprocate and driving the driving gear to rotate, and the driving gear drives the rotating shaft rod to rotate in one way through the one-way bearing, so that the balance weight is driven to rotate around the rotating shaft rod, and the gravity center of the crab pot is changed.
In the scheme, the tidal energy driving mechanism drives the rack to move by utilizing tidal energy and drives the driving gear to rotate, the driving gear drives the rotating shaft rod to rotate in a single direction through the single-direction bearing, so as to drive the balance weight to rotate around the rotating shaft rod, so as to change the gravity center of the crab catching cylinder, so as to drive the crab catching cylinder supported on the seabed through the outer peripheral surface to slowly move on the seabed, therefore, the effective crab catching range of the crab catching cylinder can be expanded by driving the crab catching cylinder to slowly move on the seabed for one distance every time the seawater tide rises and falls, and the crab catching cylinder is particularly suitable for being applied to sea areas with low seawater temperature so as to improve the crab catching efficiency; the problem that crabs cannot be captured for a long time and the crab catching efficiency is extremely low due to weak mobility of the crabs under the condition of low seawater temperature in the conventional fixed-point crab catching mode is effectively solved.
Preferably, the tidal energy driving mechanism comprises a first cylinder body arranged on the crab catching cylinder, a first limit block and a second limit block which are arranged in the first cylinder body, a first piston which is arranged in the first cylinder body in a sliding manner and is positioned between the first limit block and the second limit block, a piston return spring arranged in the first cylinder body, a second cylinder body arranged on the crab catching cylinder, a second piston which is arranged in the second cylinder body in a sliding manner, and an axial connecting rod which is connected with the second piston and is coaxial with the second cylinder body, wherein the inner diameter of the first cylinder body is larger than that of the second cylinder body, the first end of the first cylinder body is open, the second end of the first cylinder body is communicated with the first end of the second cylinder body, the second end of the second cylinder body is open, the piston return spring is positioned between the first piston and the second end of the first cylinder body, and the end of the axial connecting rod penetrates through the second end opening of the second cylinder body and is connected with the driving rack, the driving rack is parallel to the axial connecting rod.
During the flood tide, the seabed water pressure is gradually increased along with the rise of the tide level, and because the inner diameter of the first cylinder body is larger than that of the first cylinder body, when the tide rises to a certain height (for example, 1 m), the seabed water pressure overcomes the elasticity of the piston return spring, so that the first piston moves towards the second end of the first cylinder body, and during the process, the second piston moves towards the second end of the second cylinder body, so that the driving rack is driven to move through the axial connecting rod, the driving gear is driven to rotate along the anticlockwise direction, the driving gear drives the rotating shaft rod to rotate along the anticlockwise direction through the one-way bearing, the balance weight is driven to rotate around the rotating shaft rod, the gravity center of the crab catching cylinder is changed, and the crab catching cylinder supported on the seabed through the outer peripheral surface is driven to slowly move on the seabed; in the falling tide process, the seabed water pressure is gradually reduced along with the reduction of the tide level, when the tide level is reduced to a certain height (for example, the tide level is reduced to less than 1 m), the first piston moves towards the first end of the first cylinder body under the action of the elastic force of the piston return spring, and in the process, the second piston moves towards the first end of the second cylinder body, so that the driving rack is driven to move through the axial connecting rod, the driving gear is driven to rotate in the clockwise direction, and the one-way bearing can freely rotate in the clockwise direction, so that the one-way bearing does not drive the rotating shaft rod to rotate in the process; therefore, the crab catching cylinder is driven to slowly move for a certain distance on the seabed every time the seawater tide rises and falls, so that the effective crab catching range of the crab catching cylinder can be expanded, and the crab catching cylinder is particularly suitable for being applied to a sea area with low seawater temperature so as to improve the crab catching efficiency; the problem that crabs cannot be captured for a long time and the crab catching efficiency is extremely low due to weak mobility of the crabs under the condition of low seawater temperature in the conventional fixed-point crab catching mode is effectively solved.
Preferably, the counterweight is a counterweight rod, and the counterweight rod is parallel to the rotating shaft rod. Therefore, the crab pot can move stably on the seabed.
Preferably, the driving gear, the driving rack and the tidal energy driving mechanism are all positioned outside the crab catching cylinder, and the first cylinder body and the second cylinder body are fixed on the end face of one end of the crab catching cylinder.
Preferably, the end surface of the other end of the crab catching cylinder is provided with a crab inlet.
Preferably, the crab pot further comprises a lower releasing rod and a lower releasing rope, wherein the lower releasing rod is located on the outer side of the crab pot and parallel to the rotating shaft rod, two ends of the rotating shaft rod extend out of the crab pot, two ends of the rotating shaft rod are sleeved with rotating shaft sleeves, the lower releasing rod is connected with the rotating shaft sleeves through radial rods, the radial rods correspond to the rotating shaft sleeves one by one, and one end of the lower releasing rope is connected with the middle of the lower releasing rod. Therefore, the crab pot can be lowered to the seabed through the lower releasing rope, and the crab pot is supported to the seabed through the peripheral surface after the crab pot is lowered to the seabed.
Preferably, a plurality of through holes are arranged on the outer side surface of the crab catching cylinder.
The invention has the beneficial effects that:
firstly, the problem that the conventional crab pot is inconvenient to operate when the light-emitting lamp is turned on and the crab-catching efficiency of the crab pot is reduced because an operator forgets to turn on the light-emitting lamp can be effectively solved.
And secondly, the device is particularly suitable for being applied to a sea area with low seawater temperature to improve the crab catching efficiency, so that the problem that the crab catching efficiency is extremely low due to the fact that the crabs cannot be caught for a long time often caused by weak mobility of the crabs in the conventional fixed-point crab catching mode under the condition of low seawater temperature is effectively solved.
Drawings
Fig. 1 is a schematic structural view of a submersible crab pot with a sensor according to the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a side view of fig. 1.
In the figure:
the crab pot 1, the through hole 1.1 and the crab inlet 1.2;
the device comprises a trigger type light-emitting device 2, a light-emitting lamp 2.1, a water pressure sensor 2.2, a mounting box 2.3 and a controller 2.4;
a spindle shaft 3;
a counterweight 4;
a drive gear 5;
a driving rack 6 and a guide block 6.1;
the tidal energy driving mechanism 7, a first cylinder body 7.1, a second cylinder body 7.2, a first limiting block 7.3, a second limiting block 7.4, a first piston 7.5, a piston return spring 7.6, a second piston 7.7 and an axial connecting rod 7.8;
lowering the rope 8;
a lower releasing rod 9;
a rotating shaft sleeve 10;
a radial rod 11;
a buoyancy block 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either mechanical or electrical, or communicating with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1, the sinking-type crab pot with the sensor comprises a crab pot 1 and a trigger-type light-emitting device 2 arranged in the crab pot. The trigger type light-emitting device comprises a light-emitting lamp 2.1 and a water pressure sensor 2.2, and when the water pressure detected by the water pressure sensor is greater than a set value, the light-emitting lamp is lightened to attract crabs to enter the crab catching cylinder. Therefore, when crabs are caught, the sinking type crab pot can be directly thrown into water, and in the process that the sinking type crab pot sinks, the water pressure of seawater is detected through the water pressure sensor to trigger and light the light-emitting lamp for luring the crabs to enter the crab pot, so that the light-emitting lamp does not need to be manually lightened, and the problem that the existing crab pot is inconvenient to operate when the light-emitting lamp is turned on and often reduces the crab catching efficiency of the crab pot because an operator forgets to turn on the light-emitting lamp can be effectively solved.
In particular, the triggered lighting device further comprises a mounting box 2.3 with a closed cavity. The mounting box is made of transparent plastic, or a part of the side wall of the mounting box is made of transparent plastic. The side wall of the mounting box is provided with a wire passing hole communicated with the closed cavity. The mounting box is also internally provided with a controller 2.4 and a battery for supplying power to the luminescent lamp. The luminescent lamp is arranged in the sealed cavity of the mounting box and is electrically connected with the controller through a lead. The water pressure sensor is installed in the outside of mounting box, and water pressure sensor passes through the signal line and is connected with the controller electricity, and the signal line passes the line hole on the mounting box, and is equipped with the sealing washer between signal line and the line hole. When the water pressure detected by the water pressure sensor is greater than a set value, the controller controls the light-emitting lamp to be turned on so as to attract the crabs to enter the crab catching cylinder. In this embodiment, the mounting box is installed on an end face of the crab pot.
In the embodiment, a bait bag is also arranged in the crab catching cylinder, and bait is stored in the bait bag and used for attracting the crabs into the crab catching cylinder, so that the crab catching efficiency is improved.
Furthermore, a plurality of through holes 1.1 are arranged on the outer side surface of the crab catching cylinder. So, the luminescent light lights the back, and light can shine away through the through-hole.
Further, as shown in fig. 1, 2 and 3, the submersible crab pot with the sensor further includes a self-walking means for using tidal energy. The crab pot is cylindrical and is supported on the sea bottom through the peripheral surface. The self-walking device comprises a rotating shaft rod 3 which is rotatably arranged on the crab catching cylinder and is coaxial with the crab catching cylinder, a counterweight 4 which is positioned in the crab catching cylinder and is used for changing the gravity center of the crab catching cylinder, a radial connecting rod which is connected with the counterweight and the rotating shaft rod, a driving gear 5 which is rotatably arranged on the rotating shaft rod through a one-way bearing 5.1, a driving rack 6 which is meshed with the driving gear and a tidal energy driving mechanism 7. In the embodiment, the one-way bearing can freely rotate in the clockwise direction and is blocked in the anticlockwise direction. The tidal energy driving mechanism is used for driving the rack to move back and forth and driving the driving gear to rotate, the driving gear drives the rotating shaft rod to rotate in a single direction through the one-way bearing (namely, the driving gear drives the rotating shaft rod to rotate along the anticlockwise direction through the one-way bearing), and the counter weight is driven to rotate around the rotating shaft rod so as to change the gravity center of the crab catching cylinder.
As shown in fig. 1 and 2, the tidal energy driving mechanism 7 comprises a first cylinder 7.1 arranged on the crab catching cylinder, a first limit block 7.3 and a second limit block 7.4 arranged in the first cylinder, a first piston 7.5 arranged in the first cylinder in a sliding manner and positioned between the first limit block and the second limit block, a piston return spring 7.6 arranged in the first cylinder, a second cylinder 7.2 arranged on the crab catching cylinder, a second piston 7.7 arranged in the second cylinder in a sliding manner, and an axial connecting rod 7.8 connected with the second piston and coaxial with the second cylinder. The inner diameter of the first cylinder is larger than that of the second cylinder, and in the embodiment, the inner diameter of the first cylinder is 3-5 times of that of the second cylinder. The first end of the first cylinder is open. The second end of the first cylinder communicates with the first end of the second cylinder. The second end of the second cylinder is open. In this embodiment, the second stopper is located between the first piston and the second end of the first cylinder. The piston return spring is located between the first piston and the second end of the first cylinder. The end of the axial connecting rod passes through the second end opening of the second cylinder body and is connected with the driving rack. The driving rack is parallel to the axial connecting rod.
In the scheme, the tidal energy driving mechanism utilizes the tidal energy to drive the rack to move, particularly, during the rising tide, the water pressure of the seabed will increase gradually with the rise of the tide level, and because the inner diameter of the first cylinder body is larger than that of the first cylinder body, when the tide water rises to a certain height (for example, 1 m), the water pressure of the seabed overcomes the elastic force of the piston return spring, so that the first piston moves towards the second end of the first cylinder body, in the process, the second piston moves towards the second end of the second cylinder body until the second piston abuts against the second limiting block, thereby driving the driving rack to move through the axial connecting rod and driving the driving gear to rotate a certain angle along the anticlockwise direction, driving the rotating shaft rod to rotate a certain angle along the anticlockwise direction through the one-way bearing by the driving gear, thereby driving the balance weight to rotate around the rotating shaft rod so as to change the gravity center of the crab catching cylinder, and driving the crab catching cylinder which is supported on the seabed through the peripheral surface to slowly roll for a certain distance on the seabed; in the falling tide process, the seabed water pressure is gradually reduced along with the reduction of the tide level, when the tide level is reduced to a certain height (for example, the tide level is reduced to less than 1 m), the first piston moves towards the first end of the first cylinder body under the action of the elastic force of the piston return spring, and in the process, the second piston moves towards the first end of the second cylinder body, so that the driving rack is driven to move through the axial connecting rod, the driving gear is driven to rotate in the clockwise direction, and the one-way bearing can freely rotate in the clockwise direction, so that the one-way bearing does not drive the rotating shaft rod to rotate in the process; therefore, the crab catching cylinder is driven to slowly move for a certain distance on the seabed every time the seawater tide rises and falls, so that the effective crab catching range of the crab catching cylinder can be expanded, and the crab catching cylinder is particularly suitable for being applied to a sea area with low seawater temperature so as to improve the crab catching efficiency; the problem that crabs cannot be captured for a long time and the crab catching efficiency is extremely low due to weak mobility of the crabs under the condition of low seawater temperature in the conventional fixed-point crab catching mode is effectively solved.
Further, as shown in fig. 1, the counterweight 4 is a counterweight rod, and the counterweight rod is parallel to the rotating shaft rod. Therefore, the crab pot can move stably on the seabed.
Further, as shown in fig. 1 and 3, the driving gear, the driving rack and the tidal energy driving mechanism are all positioned outside the crab catching cylinder, and the first cylinder body and the second cylinder body are fixed on the end face of one end of the crab catching cylinder.
Further, as shown in fig. 1, a crab inlet 1.2 is provided on the end surface of the other end of the crab catching cylinder.
Further, as shown in fig. 1 and 3, a guide block 6.1 is arranged on the end surface of the crab catching cylinder where the first cylinder body is located, a guide groove is arranged on the guide block, and the rack 6 is driven to slide along the guide groove.
Further, as shown in fig. 1 and 3, the sinking-type crab pot with the sensor further comprises a lower releasing rod 9 and a lower releasing rope 8. The lower releasing rod is positioned outside the crab catching cylinder and is parallel to the rotating shaft rod. Both ends of the rotating shaft rod extend out of the crab catching cylinder, and both ends of the rotating shaft rod are sleeved with rotating shaft sleeves 10. The lower release rod is connected with the rotating shaft sleeve through a radial rod 11, and the radial rods correspond to the rotating shaft sleeve one to one. One end of the lower releasing rope is connected with the middle part of the lower releasing rod. Therefore, the crab pot can be lowered to the seabed through the lower releasing rope, and the crab pot is supported to the seabed through the peripheral surface after the crab pot is lowered to the seabed. In this embodiment, a formula crab pot sinks with sensor still includes buoyancy piece 12, and buoyancy piece floats on the sea, and the other end of putting the rope down is connected with buoyancy piece, so, is favorable to coming back and drawing back formula crab pot sinks through buoyancy piece and connection rope.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (7)

1. A sinking type crab pot with a sensor is characterized by comprising a crab catching cylinder, a trigger type light-emitting device and a self-walking device, wherein the trigger type light-emitting device is arranged in the crab catching cylinder, the self-walking device utilizes tidal energy, the trigger type light-emitting device comprises a light-emitting lamp and a water pressure sensor, and when the water pressure detected by the water pressure sensor is greater than a set value, the light-emitting lamp is lightened to attract crabs to enter the crab catching cylinder;
the crab catching cylinder is cylindrical and is supported on the seabed through the outer peripheral surface, the self-walking device comprises a rotating shaft rod which is rotatably arranged on the crab catching cylinder and is coaxial with the crab catching cylinder, a balance weight which is positioned in the crab catching cylinder and is used for changing the gravity center of the crab catching cylinder, a radial connecting rod which is connected with the balance weight and the rotating shaft rod, a driving gear which is rotatably arranged on the rotating shaft rod through a one-way bearing, a driving rack which is meshed with the driving gear and a tidal energy driving mechanism, the tidal energy driving mechanism is used for driving the rack to reciprocate and driving the driving gear to rotate, and the driving gear drives the rotating shaft rod to rotate in one way through the one-way bearing, so that the balance weight is driven to rotate around the rotating shaft rod to change the gravity center of the crab catching cylinder.
2. The submersible crab pot with sensor according to claim 1, wherein the tidal energy driving mechanism comprises a first cylinder disposed on the crab catching cylinder, a first stopper and a second stopper disposed in the first cylinder, a first piston slidably disposed in the first cylinder and located between the first stopper and the second stopper, a piston return spring disposed in the first cylinder, a second cylinder disposed on the crab catching cylinder, a second piston slidably disposed in the second cylinder, and an axial connecting rod connected to and coaxial with the second cylinder, wherein the first cylinder has an inner diameter larger than that of the second cylinder, the first cylinder has a first end open, the second cylinder has a second end communicated with the first end of the second cylinder, the second cylinder has a second end open, and the piston return spring is located between the first piston and the second end of the first cylinder, the end part of the axial connecting rod penetrates through the second end opening of the second cylinder body and is connected with a driving rack, and the driving rack is parallel to the axial connecting rod.
3. The submersible crab pot with sensor as claimed in claim 1 or 2, wherein the counterweight is a counterweight rod parallel to the shaft.
4. The submersible crab pot with sensor as claimed in claim 2, wherein the driving gear, the driving rack and the tidal energy driving mechanism are located outside the crab pot, and the first and second cylinders are fixed on the end face of one end of the crab pot.
5. The submersible crab pot with sensor as claimed in claim 4, wherein the crab inlet is provided on the end surface of the other end of the crab pot.
6. The bottom sinking type crab pot with the sensor according to claim 1 or 2, further comprising a lower releasing rod and a lower releasing rope, wherein the lower releasing rod is positioned outside the crab pot and parallel to the rotating shaft rod, two ends of the rotating shaft rod extend out of the crab pot, two ends of the rotating shaft rod are sleeved with rotating shaft sleeves, the lower releasing rod is connected with the rotating shaft sleeves through radial rods, the radial rods correspond to the rotating shaft sleeves one by one, and one end of the lower releasing rope is connected with the middle part of the lower releasing rod.
7. The submersible crab pot with sensor as claimed in claim 1 or 2, wherein the outer side of the crab pot is provided with a plurality of through holes.
CN201910934185.6A 2019-09-29 2019-09-29 Sinking type crab pot with sensor Active CN110720441B (en)

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CN110720441B true CN110720441B (en) 2021-09-03

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Publication number Priority date Publication date Assignee Title
CN114365722B (en) * 2021-12-16 2022-11-01 生态环境部南京环境科学研究所 Ecological research sampling device of large benthonic mollusk of fresh water body

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US6550180B1 (en) * 1997-12-20 2003-04-22 Tam Kien Le Spring door crab pot
CN203369257U (en) * 2013-08-08 2014-01-01 浙江工商职业技术学院 Crab trap
CN105994191A (en) * 2016-05-25 2016-10-12 合肥栖龙阁生态农业有限公司 Suspended crab-catching cage device
CN108682127B (en) * 2018-06-28 2024-05-17 唐山多玛乐园旅游文化有限公司 Flash prompting cage

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