692 results about "Buoyant flow" patented technology

The utility model relates to the field of passenger car water tank, disclose a kind of passenger car water tank water filling port structure convenient to detect, including the water tank top fixedly connected with water filling port, the water tank inner wall is equipped with limit slot one, the limit slot one inner wall is slidably connected with limit block two, the limit block two outer wall is fixedly connected with float plate, the float plate outer wall is equipped with water hole, the float plate top is fixedly connected with float ball, the float ball top is fixedly connected with threaded rod, the threaded rod outer wall is equipped with limit slot two, the water filling port top is provided with water tank cover. In the utility model, the sealing ball is floated by float plate under the action of buoyancy, when water level reaches preset upper limit, sealing ball automatically blocks water flow, prevents water from being injected too much, without artificial judgment liquid level, it is convenient to detect, avoid the leakage problem caused by artificial factors such as cover not tightly, rubber ring misplacement, improve the reliability and durability of sealing.

The utility model relates to a kind of assembled cutter suction dredger side pontoons with sealing transition structure.The side pontoons are sequentially connected by head section side pontoon monomer, middle side pontoon monomer and tail section side pontoon monomer.The head section side pontoon monomer includes head ballast tank, first main buoyancy empty cabin and deck, and first sealing transition empty cabin is arranged at the end thereof.The middle side pontoon monomer includes second main buoyancy empty cabin, storage cabin and deck, and second sealing transition empty cabin with the same width as the first sealing transition empty cabin is arranged at the end of the storage cabin, and the two are sealingly connected by fastener, and third sealing transition empty cabin is arranged at the side of the middle side pontoon monomer adjacent to the main pontoon.The tail section side pontoon monomer includes generator cabin, fuel cabin, tail ballast tank and deck, and fourth sealing transition empty cabin is arranged at the side of the tail section side pontoon monomer adjacent to the middle side pontoon monomer, and fifth sealing transition empty cabin is arranged at the side of the generator cabin adjacent to the main pontoon.The design realizes efficient, stable and safe operation of side pontoons through modular assembly and sealing transition structure optimization.

The application discloses a pressure balance check valve, which comprises a valve body, a flow channel, a valve rod and a valve seat arranged in the valve body, a valve core arranged at the bottom of the valve rod, the valve core being capable of moving up and down in the flow channel and abutting against the valve seat for cutting off the communication of the flow channel, a pressure channel arranged in the valve core and extending to the top end of the valve core to communicate with the outside, a balance channel communicated with the bottom of the pressure channel, a buoyancy cavity communicated with the bottom of the balance channel, a floating block abutting against the inner wall arranged in the buoyancy cavity, a first spring arranged at the top of the floating block and extending into the balance channel, and a pressure ball abutting against the inner walls on both sides of the balance channel and connected with the first spring, wherein a valve block is arranged to cooperate with the pressure ball and balance the pressure received by the valve core, shift the pressure to the middle part of the valve core, prevent the sealing instability of the valve core on both sides and the valve seat due to the pressure imbalance, improve the sealing effect and avoid the leakage caused by the untimely pressure relief.

The application discloses an unmanned ship water area cleaning system, which comprises a master control ship, at least one pair of auxiliary ships and a trawl device.The master control ship is provided with a first positioning module, a first navigation module, a central control module, a first power module and a master control ship body, and a collecting opening is formed in the front of the master control ship body, and a garbage storage cabin is arranged on the master control ship body and communicated with the collecting opening.The auxiliary ships are located in front of the master control ship running route, and are in communication connection with the master control ship, and are provided with a second power module and a second positioning module.The trawl device is connected between each auxiliary ship and the master control ship, and comprises a buoyancy member for keeping the trawl device at least partially above the water surface and a filter screen connected below the buoyancy member.The application adopts the operation mode that the master control ship cooperates with the pair of auxiliary ships, the path is planned uniformly by the master control ship, the pair of auxiliary ships are in front, the master control ship is in back, the garbage on the water surface is gathered in the filter screen through the trawl device, and is finally collected into the garbage storage cabin of the master control ship.

This invention relates to the field of waste gas purification technology and discloses a dual-tower wet sodium alkali desulfurization, dust removal, and denitrification device, including a slurry collection tank. The inner wall of the slurry collection tank is equipped with a foam-breaking component. The slurry collection tank comprises an upper tank and a lower tank placed vertically. An air inlet connected to a pipeline port is located in the middle of the side of the upper tank. A conveying pipe connected to a regeneration tank is located on the side of the lower tank. A movable component is located at the bottom of the inner wall of the lower tank, and the foam-breaking component is fitted onto the outer wall of the movable component. This invention incorporates a foam-breaking component. The floating ring is an annular buoyancy-bearing base that rises and falls autonomously with changes in foam layer thickness due to its own buoyancy. A push ring is integrally fixedly installed at the top of the floating ring. The push ring can move vertically synchronously with the floating ring, and when it floats to its limit position, it can precisely contact the spray sensor to complete the travel limit. A floating net is fixedly arranged inside the push ring. The floating net is laid flat, and a dense layer of barbs is evenly distributed on its upper surface. The barbs can directly penetrate the foam to complete the initial foam-breaking operation.

The present application relates to the technical field of deep-sea resource development, and specifically relates to a deep-sea low-disturbance mining robot control system, comprising: an information perception module for acquiring and transmitting multi-source sensing data; a central control module for receiving and processing the multi-source sensing data to generate coordinated control instructions; a motion and attitude adjustment module for receiving the coordinated control instructions to drive a piston-type variable buoyancy tank and walking feet to execute actions, and to adjust the overall buoyancy, attitude and walking state of the robot; a collection and storage and transportation operation module for receiving the coordinated control instructions to drive a suction mechanical arm and a mineral storage and transportation box to execute actions, and to collect and transport minerals. The present application improves the walking stability and operation adaptability of the robot in complex terrain, effectively prevents subsidence and attitude instability, combines a sand filtering structure and dynamic buoyancy compensation, reduces disturbance to seabed sediments, reduces turbidity current diffusion, and has environmental friendliness, and can perform long-term, continuous and stable high-efficiency mining operations in deep sea.

This invention discloses a drain core and its working method, relating to the field of building drainage system technology. It includes: a shell, a sealing seat, and a floating sealing assembly. The shell has a cylindrical structure with an inlet and a drainage channel formed inside. The sealing seat is detachably installed at the bottom of the shell, and has an outlet in the middle that communicates with the drainage channel. The floating sealing assembly is disposed within the drainage channel and includes a sealing element and a float positioned above the sealing element. The float can lift the sealing element under the buoyancy of the water in the drainage channel, opening the outlet. Furthermore, after the water level in the drainage channel drops, the float moves downward under the gravity of the floating sealing assembly, causing the sealing element to fit against the sealing seat to form a mechanical gravity seal. This invention eliminates the need for additional elastic triggering components, reducing the number of vulnerable mechanical components and lowering the probability of failure.

This invention discloses a top-floating self-draining siphon rainwater hopper, comprising a power-accumulating transmission mechanism and a squeezing drainage assembly. The squeezing drainage assembly includes a sleeve and a plunger connected movably. A drainage chamber is formed inside the sleeve, and both the inlet and the drain pipe are connected to the drainage chamber. The outlet end of the drain pipe is set lower than the inlet. The power-accumulating transmission mechanism includes a lever, an air-float component, and a limiting component. The lever has a driving end and a contact end. The air-float component is connected to the driving end, and the limiting component is located on the rotation path of the contact end. The lever is connected to the squeezing drainage assembly. When the air-float component rises under buoyancy, it can drive the contact end to break through the threshold of the limiting resistance. The lever can drive the plunger component to squeeze the water accumulated in the drainage chamber, so that the water enters the drain pipe to form a siphon negative pressure. This invention is a purely mechanical structure that can automatically accumulate power to trigger and actively establish a siphon. It is suitable for buildings without openings, realizes centralized drainage across high points on the same floor, has a fast siphon start-up response, low construction and maintenance costs, and stable and reliable operation.

The utility model relates to refrigerating system circulating water tank equipment technical field discloses a water tank device of refrigerating system, including water tank, the inboard mounting of water tank has the support, the upside threaded sleeve joint of support has the sealing cylinder, the inboard sliding connection of sealing cylinder has pressure sensor, the upside fixed connection of pressure sensor has the push rod, the upper end of push rod is provided with the slot, the utility model discloses through the buoyancy ball, utilizes the buoyancy and gravity in water, when the water level in the box is below the safety threshold, push rod is under the action of buoyancy ball gravity, pushes push rod and pressure sensor and moves down, and pressure sensor can form water level early warning signal and sends to liquid level switch, and liquid level switch starts and supplements water in the box, realizes the function of automatic water replenishment, guarantees the water level of whole box to be always in normal water level to improve the safety, reliability of whole refrigerating system.

The utility model discloses a kind of nearshore seabed magnetic field detection systems, including central station control cabinet and seabed detection device;Seabed detection device includes base mechanism, locking mechanism, buoyancy mechanism and magnetic field detection mechanism;Buoyancy mechanism is used to carry out buoyancy support to magnetic field detection mechanism, and magnetic field detection mechanism is used to detect magnetic field;Locking mechanism is used to lock magnetic field detection mechanism, realize the levelness locking of magnetic field detection, and base mechanism is used to support on seabed;Central station control cabinet is electrically connected with magnetic field detection mechanism.The nearshore seabed magnetic field detection system utilizes the cooperation of locking mechanism and buoyancy mechanism, can utilize buoyancy to adjust the levelness of magnetic field detection mechanism, ensure the reliability of magnetic field detection.

1. Name of the product in this design: Buoyancy Adjustment Device. 2. Purpose of this design: To provide variable buoyancy for buoys. 3. The key design features of this product are its shape and the combination of shape and color. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The design for which protection is sought includes color.

This invention relates to the field of vortex wet dust removal technology, specifically an explosion-proof and scale-resistant vortex wet dust collector, comprising a dust collector assembly, a guide plate rotatably connected to the inner side of the dust collector assembly, a back plate synchronously rotatably connected to the guide plate, self-locking transmission parts at both ends of the guide plate, a buoyancy plate connected to the other end of the self-locking transmission parts, and a water guide component at the bottom of the guide plate; the self-locking transmission part includes a driven part fixedly connected to both ends of the guide plate, an active part engaging one side of the driven part, the buoyancy plate driving the active part to rotate according to water level changes, the active part and the driven part cooperating to rotate the guide plate, and the water level change caused by negative pressure causing the guide plate to contact the airflow at different angles and wind speeds through the active part and the driven part, and the self-locking capability of the active part and the driven part allows for unidirectional power transmission, restricting the guide plate from rotating due to force on the leeward side.

This invention relates to the field of navigation aid equipment technology, specifically to an adjustable anchor chain navigation aid based on buoyancy and a method for adjusting its turning radius. The adjustable anchor chain navigation aid includes a navigation aid body, a rope, and a boulder. The upper end of the rope is connected to the navigation aid body, and the lower end passes over a fixed pulley on the boulder and is connected to a retractable float. The retractable float includes a wear-resistant sleeve and a float assembly fixed to the side wall of the wear-resistant sleeve. The wear-resistant sleeve is fitted onto the rope between the navigation aid body and the fixed pulley. The lower end of the rope passes over the fixed pulley and is fixed to the wear-resistant sleeve. The turning radius of the navigation aid body can be adjusted by pulling the rope with the retractable float.

This invention discloses an oil float vulcanization foaming device and method, comprising a base and a covering chamber, wherein the covering chamber is fixedly connected to the top outer wall of the base, and further comprising: an ultrasonic array, fixedly installed around the covering chamber; a top sealing mechanism, fixedly installed on the inner wall of the covering chamber; a lead screw guide rail, fixedly installed on the top outer wall of the base; a partition, the outer wall of which is fixedly connected to a slider, and the slider is movably engaged with the lead screw guide rail, the partition being slidably connected to the lead screw guide rail via the slider; a heating foaming chamber, fixedly connected to the top outer wall of the partition, and the bottom inner wall of the heating foaming chamber is fixedly connected to a discharge port, the discharge port passing through the partition, and an electromagnetic valve installed at the connection between the discharge port and the heating foaming chamber, the heating foaming chamber being filled with an inert fluid, and the bottom of the heating foaming chamber having a funnel structure. The oil float vulcanization foaming device and method disclosed in this invention has the effects of enhanced buoyancy accuracy and effectively extending the wear resistance life of the bottom.

The utility model discloses a kind of anti-magnetic field interference top-mounted liquid level detection device, belong to liquid level detection technical field, including detection shell, observation window, scale mark and liquid level detection component, the inside of detection shell is provided with anti-interference sleeve, the inside connection of anti-interference sleeve has liquid level detection component, the middle part of the front of detection shell is provided with observation window, the middle part of observation window is provided with scale mark, and liquid level detection component includes indicating ball, connecting rod and float ball.The beneficial effects of the utility model are: installing liquid level detection device on water tank, water level can be detected by the liquid level detection component in the device, the liquid level detection component can interact with the water surface of water tank through float ball, and the indicating ball is supported to move up and down in the anti-interference sleeve with scale mark under the action of buoyancy, the liquid level detection component can resist magnetic field interference, can improve its anti-interference ability, avoid the accuracy of detection result influenced by magnetic field.

The utility model discloses a mobile track remote control pump station, the utility model discloses a float assembly and water pump tackle structure are integrated in the installation box above the track type chassis, realized amphibious, the compact pump station system of structure. The float assembly adopts the intercommunication structure between multistage float, and is fixed uniformly through the mounting bracket, has promoted buoyancy uniformity and structural stability, the water pump tackle can slide in the cavity bottom, and with the help of lifting lead screw and hoist realizes water pump accurate lifting regulation, thereby ensures that can be efficiently, safely complete pumping operation under different water level conditions, has promoted the adaptability and operation efficiency of mobile pump station under complex environment significantly.

This application relates to a buoy and its manufacturing method. The buoy includes: an inner tube assembly forming a first cavity; an outer shell assembly fitted over the outer shell assembly, forming a second cavity surrounding the first cavity; functional instruments housed within the first cavity; and a ballast counterweight module housed within the second cavity. Both the inner tube assembly and the outer shell assembly are made of metal. The inner tube assembly and outer shell assembly together form a double-cavity structure. The second cavity, located on the outer side, provides primary buoyancy and ballast stability support, while the first cavity, located on the inner side, accommodates the functional instruments. Because both the inner and outer tube assemblies are made of metal, they possess excellent impact resistance, damage resistance, and collision resistance. Even if the outer shell assembly is damaged under external impact, the inner tube assembly, made of metal, can still provide pressure-resistant protection for the functional instruments, ensuring their safety.

A method of testing installation of a module on an elongate member 12, wherein the module comprises at least two module parts (14, 16) configured to be assembled to one another around the elongate member, together forming a through-going passage 21 for receiving the elongate member, at least one resiliently deformable seat 30, 32 within the through-going passage for seating upon the elongate member, and an arrangement for securing the module parts to one another, which may take the form of straps 24, 26, the module comprising a channel 34 extending from an outer surface of the module to the through-going passage 21, and the method comprising: assembling the module parts about the elongate member and securing them to one another using the said arrangement; inserting a test rod (36) into the channel until an end of the test rod contacts the elongate member within the through-going passage, and determining whether depth of insertion of the test rod is consistent with proper installation of the module. Aspects include a module for installation on an elongate member, the module may be a distributed buoyancy module (or ballast or sensor module) intended for mounting on some form of underwater elongate member. Fig 2

The present application relates to the technical field of buoyancy material, and particularly relates to a low-density hydrophobic buoyancy material and a preparation method thereof. The low-density hydrophobic buoyancy material comprises the following components in parts by weight: 50-60 parts of epoxy resin, 35-45 parts of polyurethane modified graphene oxide-hollow glass microsphere composite material, 15-25 parts of polyaniline, 8-12 parts of short carbon fiber, 4-8 parts of diluent and 1-3 parts of curing agent. The low-density hydrophobic buoyancy material has the characteristics of low density and water absorption, excellent bulk modulus and compression strength, and good weather resistance. The preparation method of the low-density hydrophobic buoyancy material is simple in process and easy to control in operation, is conducive to industrialized mass production, and the prepared low-density hydrophobic buoyancy material is stable in quality and superior in comprehensive performance.

An automatic vehicle buoyancy system is provided. The system is comprised of an integrated flotation mechanism for preventing the complete submersion of vehicles during water ingress events. The system comprises a plurality of buoyancy modules configured to be integrated into various locations on a vehicle. Each buoyancy module comprises one or more inflatable airbags contained within a housing, at least one high-pressure gas cylinder for inflation, and conduits that channel inflation media from the gas source to the airbags. The system further comprises one or more submersion sensors capable of detecting hydrostatic pressure or other water ingress indicators, which are electronically connected to solenoid valves that control the release of compressed gas into the airbags. Upon detecting submersion, the system initiates automatic inflation of the airbags, causing the housing to open via integrated exit structures, thereby enabling rapid airbag deployment.

The present invention relates to an eco-friendly buoyancy-type ecological facility that is controlled to ascend and descend along a river slope, utilizing only the minimum components to form a passage, floating on the surface of the river water through buoyancy to provide a safe ecological passage, and using the river slope as a base for stable ascent and descent. The eco-friendly buoyancy-type ecological facility controlled to ascend and descend along a river slope according to the present invention comprises: first and second guide rails (10, 20) installed at an angle on each of the facing river slopes; and a buoyancy-type passage plate that forms a passage while floating on the river water, with both left and right sides connected to the first and second guide rails so as to be able to ascend and descend. The above-mentioned buoyancy-type passageway plate includes a fence formed to protrude upward toward the upstream side of the river as one side of the buoyancy-type passageway plate, and the buoyancy-type passageway plate includes first and second lifting-type passageway plates (30, 40) with one side connected to the first and second guide rails so as to be vertically movable, and first and second rotating-type passageway plates (50, 60) with one side connected to the first and second lifting-type passageway plates so as to be rotatable to each other, wherein the first and second lifting-type passageway plates include first and second passage sections (31, 41) connected to the first and second guide rails and first and second extension sections (32, 42) extending from the first and second passage sections, and the first and second rotating-type passageway plates include first and second opening sections (52, 62) into which the first and second extension sections protruding from the first and second lifting-type passageway plates are inserted, and third and fourth passage sections (51, 61).

This invention relates to an underwater self-floating unmanned aerial vehicle (UAV) swarm transport device and its operating process, comprising, from top to bottom, a top cover, an airbag compartment, a main body section, a tail section, and a deceleration parachute compartment. The top cover, main body section, and tail section are all externally covered with deep-sea buoyancy material. A transport device is located inside the main body section, comprising an UAV compartment, a battery compartment, and a control compartment. The UAV compartment carries the UAV system to ensure surface launch. The battery compartment and control compartment are located below the UAV compartment. The battery compartment provides power throughout the process, and the control compartment controls the device's movement and signal transmission and reception. A fixing ring is located at the bottom of the transport device for connecting an acoustic release device and a gravity anchor. This facilitates rapid and reliable transport and ascent of the UAV swarm, stable surface launch of multiple UAVs, and ensures operational reliability.

This invention discloses a suspended, flexible, deformable, and emotionally interactive robot. A flexible outer shell covers a flexible chassis, and a levitation airbag is installed inside the flexible outer shell. The levitation airbag is filled with buoyancy gas to provide the buoyancy required for the robot's suspension. An interactive control system inside the flexible chassis enables user interaction. A micro-airflow propulsion system is installed at the bottom of the flexible chassis, including multiple airflow generating units. By adjusting the airflow direction and intensity of the airflow generating units, the robot is driven to achieve spatial movement. The charging base station is an external device, and the bottom of the flexible chassis has an energy supply interface corresponding to the charging base station. When docked, the charging base station provides the robot with electrical energy or buoyancy gas. This invention is applicable to fields such as family emotional companionship, health and wellness, creating an intelligent indoor atmosphere, psychological relaxation assistance, and interactive displays in commercial scenarios. Through the organic integration of various systems, the robot achieves aerial suspension, flexible deformation, intelligent emotional interaction, and autonomous refueling.

The utility model discloses a kind of non-submerged ferry modules, it is related to military water boat and boat bridge technical field, non-submerged ferry module includes capsule clothing and support framework, capsule clothing is provided with the accommodation cavity and filling port being communicated, support framework is located in the cavity wall of accommodation cavity;Polyurethane filler is located in accommodation cavity, support framework is coated in polyurethane filler along the outer wall of polyurethane filler. The filling port that capsule clothing has can be used for polyurethane raw material filling into accommodation cavity, after polyurethane raw material reaction expansion and hardening, capsule clothing can be supported, and the polyurethane filler density low specific gravity small, buoyancy in water is larger, even in sea combat encounter cannonball perforation, it also does not enter water and lead to sinking. In addition, the support framework in the inside of capsule clothing is coated polyurethane filler, so that polyurethane filler does not break apart and tear apart after being hit.

This invention belongs to the field of deep-sea resource development and intelligent robot technology, specifically relating to a planktonic multi-legged ore-collecting robot and method with autonomous sensing, positioning, and grasping functions. This invention is used for low-disturbance, high-efficiency collection of discontinuous and unevenly distributed mineral resources such as polymetallic nodules and cobalt-rich crusts in complex deep-sea terrain. It includes a biomimetic multi-legged pressure-resistant shell module, a multimodal autonomous sensing and positioning system, a multi-legged cooperative flexible grasping system, an intelligent buoyancy and cooperative propulsion system, an autonomous control system, an energy management module, and a data processing and storage unit. This invention employs a composite movement mode combining a biomimetic multi-legged structure and planktonic drive, enabling intelligent identification and compliant grasping of ore, avoiding the collection of waste rock, and improving resource recovery grade and economic benefits.

This utility model relates to the field of motorboat technology and discloses an inflatable motorboat, including a motorboat body, a first air cushion, and a second air cushion. The first air cushion is disposed below the motorboat body, and two second air cushions are installed on both sides of the first air cushion. A first mounting hole is formed in the center of the front side of the first air cushion, and a fixing sleeve is disposed inside the first mounting hole. A steering rod is rotatably disposed inside the fixing sleeve. The upper end of the steering rod extends to the top of the motorboat body, and a steering handle is fixedly installed at the upper end of the steering rod. A mounting plate is fixedly installed on the front side of the lower surface of the first air cushion, and the lower end of the steering rod is rotatably connected to the mounting plate. A second mounting hole is formed on the rear side of the lower surface of the first air cushion. This inflatable motorboat is divided into multiple independent air chambers by the main body. Even if one air chamber has a problem, the other air chambers can still ensure the buoyancy and stability of the hull, ensuring the safety performance of the product.

The invention concerns a hull structure (10, 100, 80, 200) for a semi- submersible wind power turbine platform (50), wherein the hull structure (10) comprises: a centre column (4) configured to support a wind power tower (20) provided with a wind turbine (30), the centre column (4) being located in a central region of the hull structure (10, 100); first, second and third buoyancy structures circumferentially distributed around the centre column (4) comprising first, second and third elongated structures (5, 6, 7) connected to the centre column (4) and extending outwards in different radial directions from the centre column (4, wherein the first elongated structure (5) is located at a higher level than the second and / or third elongated structures (6, 7) so that a lower side (5A) of the first elongated connection structure (5) is located above or is substantially aligned with an upper side (6B, 7B) of at least one of the second and third elongated connection structures (6, 7).

This invention relates to the field of mineral processing equipment technology, and discloses a flotation column for mineral processing. The flotation column includes a frame, a crossbeam fixedly mounted on the top of the frame, a fixed mounting base fixedly mounted in the middle of the crossbeam, and a flotation column fixedly mounted in the middle of the fixed mounting base. A rotating shaft is movably mounted inside the flotation column via a bearing mounting base. The bottom end of the rotating shaft extends to the inner bottom of the frame and is fixedly mounted with an impeller. An annular movable frame is movably mounted at the bottom end of the flotation column via a bearing mounting base. A perforated air inlet hood is fixedly mounted at the bottom end of the annular movable frame. A sleeve is also movably mounted inside the flotation column via a bearing mounting base. This invention improves the capture capacity and separation accuracy of fine-grained minerals, reduces impurities, ensures stable and controllable operation, low energy consumption, extends equipment life, and guarantees efficient and continuous mineral processing through uniform aeration, bubble refinement, composite flow field, and vibration synergistic design.