12results about How to "Improve floating stability" patented technology

The invention discloses an ocean lateral particulate matter catcher, and belongs to the technical field of ocean particulate matter collection, the catcher comprises a floating body and a shell which are connected up and down, the side of the shell is provided with a first collection port, a collection bottle is arranged in the shell in a surrounding manner, a turntable is arranged above the collection bottle, and a motor for driving the turntable to rotate is arranged in the shell; a wing plate is arranged on the side, away from the first collecting opening, of the shell and extends towards the first collecting opening, the shell is provided with a conical wall with the small end facing downwards, the collecting bottle is arranged below the conical wall, a second collecting opening is further formed in the side of the shell, and the second collecting opening and the first collecting opening are both formed in the upper portion of the conical wall. And the at least two second acquisition ports and the first acquisition ports are arranged in a staggered manner. The device is simple in structure, and multi-directional and stable collection can be achieved within a preset range without anchoring.

The invention relates to the technical field of offshore photovoltaic power generation, and discloses an offshore floating type photovoltaic supporting structure system which comprises a main floating pipe capable of providing main buoyancy support for the whole and providing enough buoyancy in seawater, so that the whole photovoltaic system floats on the sea surface; the auxiliary floating pipe, the main floating pipe and the auxiliary floating pipe are connected with the three-dimensional truss to maintain the overall shape and rigidity of the system, extra buoyancy is increased by the auxiliary floating pipe, the stability of the system under various ocean conditions is ensured, the buoyancy load of the system is dispersed through cooperation of the main floating pipe and the auxiliary floating pipe, local stress concentration is reduced, and the service life of the system is prolonged. The buoyancy of seawater and the action of waves should be considered in the design of the floating pipes, it is ensured that the system stably floats on the sea surface through reasonable layout and design, and it is ensured that the system can still keep stable under the action of strong stormy waves through the high-strength and rigid design of the three-dimensional trusses and the auxiliary trusses; and the stability and safety of the whole structure are kept.

The application provides a small buoy and a coordinated action implementation method thereof. A buoyancy bag with a maximum diameter is designed in a middle cabin section of the buoy to adapt to a change in the central position of the buoy, and the buoy floating stability is improved. The buoyancy bag gas cylinder is designed to inflate the buoyancy bag, and the buoyancy bag is inflated and expanded to the designed diameter to adjust the buoyant center position of the buoy, so that the buoy floating posture is kept stable. The lifting gas cylinder is inflated to inflate the piston cavity, the thrust generated in the inflation instant is used to overcome the gravity, friction and tensile force of the breakable screw of the detection device, so that the detection device can move to the set height. The gas cylinder is inflated to inflate the sealing cavity of the telescopic mechanism, and the friction and shear pin resistance are overcome to expand the telescopic mechanism. The application provides a small buoy and a coordinated action implementation method thereof, and the detection device lifting and the buoy posture adjustment are realized in coordination. The coordinated action has high reliability, and the technical problems of the detection device lifting and the buoy posture dynamic adjustment in a small space are solved.

A fluorine-containing ether compound represented by formula (1). R1-CH2-R2 [-CH2-R3-CH2-R2] x-CH2-R4 (wherein x is an integer from 1 to 2; r2 is a perfluoropolyether chain; at least one of the x R3 groups is represented by formula (2-1) or (2-2); r1 and R4 are terminal groups having 2-4 polar groups, wherein the number of carbon atoms, which are the shortest distance between carbon atoms to which adjacent polar groups are bonded, is 1-9, and each has an oxygen atom bonded to a methylene group bonded to R2. > # imgabs0 #

A fluorine-containing ether compound represented by formula (1). R1-CH2-R2 [-CH2-R3-CH2-R2] x-CH2-R4 (R1 and R4 are terminal groups including two or three polar groups, each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to each other via a linking group including a carbon atom to which no polar group is bonded; x is 1-2; r2 is a perfluoropolyether chain; and R3 is represented by formula (3-1) or (3-2). > # imgabs0 #

The utility model relates to the technical field of water quality monitoring equipment, in particular to a water quality monitoring floating platform which comprises a buoy body and a monitoring base detachably assembled on the upper end face of the buoy body, and a sampling barrel which extends downwards and penetrates through the buoy body is arranged at the center of the monitoring base. A plurality of sampling through grooves penetrating through the side wall of the sampling barrel are formed in the side wall of the sampling barrel, the sampling through grooves are equally formed in the sampling barrel along the same inclination angle, and the sampling barrel is arranged at the center of the monitoring base, extends downwards and penetrates through the buoy body, so that the detection barrel can extend into water flow to generate resistance; meanwhile, in order to reduce the pushing influence of flowing of the water flow on the detection barrel, a plurality of groups of sampling through grooves which are equally arranged along the same inclination angle are formed in the side wall of the sampling barrel, and the water flow can flow through the sampling barrel by utilizing the sampling through grooves, so that the situation that the flowing of the water flow pushes the floating platform to move is reduced.

The invention relates to the technical field of ocean robots, in particular to a foldable wave energy self-sufficient ocean robot which comprises a floating platform and power generation buoys, in the foldable wave energy self-sufficient ocean robot, the power generation buoys are evenly distributed on the periphery of the floating platform through outward expansion of suspenders, the wave sensing power generation capacity is improved, and meanwhile the floating stability of the floating platform is improved; by controlling the combination state between the robot body and the floating platform, the robot can be controlled to be lifted away from the sea surface after the overhaul and maintenance period is finished, then the contact soaking time between the robot and seawater is shortened in the deep-sea aquaculture period, and the service life of the robot is prolonged.

A floating wheelchair (1) includes: - a frame (2); - two floating rear wheels (6) mounted on the frame (2); and - a front wheel (7) mounted on the frame (2); and - a movement system (8) for alternating movement of the rear wheels (6) between a land position and a water position, wherein in the land position the rear wheels face each other on opposite sides of the frame and have a substantially transverse axis of rotation (9), and in the water position the axis of rotation (9) of the rear wheels is substantially vertical.

The utility model discloses a water oxygenation device for ecological management, which relates to the field of ecological management and comprises a stabilizing component, a mounting cylinder is fixedly mounted in the stabilizing component, an oxygenation pump is fixedly mounted on the lower portion in the mounting cylinder, and the bottom of the oxygenation pump is fixedly connected with an air outlet pipe located at the bottom of the stabilizing component. The other end of the air outlet pipe is fixedly connected with an air outlet cover, and a blocking frame is movably installed outside the air outlet cover. By arranging the stabilizing assembly, when the stabilizing assembly is arranged in a water area environment, the stabilizing assembly can be adjusted according to the water area environment condition, when the water area condition is bad, the supporting area is increased through the stabilizing assembly to improve the floating stability, and when the water area is narrow, the overall space occupied area is reduced by adjusting the stabilizing assembly; the use is more flexible, and the applicability is higher.

The application relates to the technical field of unmanned planes, in particular to a hydrogen fuel cell unmanned plane with an emergency function for sea deployment, which comprises a lower part of an unmanned plane body provided with supporting legs; the hydrogen fuel cell unmanned plane further comprises: containing bins which are symmetrically arranged on the two sides of the lower part of the unmanned plane body in pairs and relative to the supporting legs, the two containing bins are located on the outer sides of the supporting legs, hydrogen gas cylinder bodies are arranged in the containing bins, and the lower ends of the supporting legs are lower than the lower ends of the containing bins; pushing mechanisms which are connected with the two containing bins in pairs; and a driving source arranged between the two pushing mechanisms, the driving source is used for driving the two pushing mechanisms to synchronously push the two containing bins to move away from each other. The application improves the floating stability of the unmanned plane on the sea surface, and avoids the unmanned plane from being overturned due to swinging with sea waves.

The utility model discloses a buoy structure and an inland floating photovoltaic system. The buoy structure comprises a buoy assembly. The buoy assembly comprises a plurality of buoys, each buoy is arranged on the side, close to the water body in the first direction, of the photovoltaic assembly of the inland floating photovoltaic system, each buoy floats in the water body and is provided with a first cavity and a second cavity, and the first cavity and the second cavity are arranged in parallel in the first direction. The second cavity is arranged close to the water body, at least part of the second cavity is filled with the filler in the first direction, and at least part of the first cavity is located outside the water body. According to the buoy structure, the floating stability of the photovoltaic module can be improved.

The utility model discloses a support structure and an inland floating photovoltaic system, the support structure comprises a plurality of support units, and each support unit comprises a plurality of first flexible support assemblies and at least one second flexible support assembly. The multiple first flexible support assemblies are arranged in parallel in the first direction at intervals, each first flexible support assembly extends in the second direction, and each first flexible support assembly is used for supporting a photovoltaic assembly of at least one inland floating photovoltaic system; the second flexible support assemblies extend in the first direction, and in the first direction, each first flexible support assembly is located between the two ends of the corresponding second flexible support assembly. In the third direction, each first flexible support assembly and the corresponding second flexible support assembly are arranged in a spaced mode, and each second flexible support assembly is located between the corresponding first flexible support assembly and the water body. The support structure can improve the floating stability of the photovoltaic module.