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565results about "Pump assemblies" patented technology

Linear actuator assembly and system

A linear actuator system includes a linear actuator and an integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with two fluid drivers, each fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes the pump in a normal mode of operation in which the prime movers are independently driven and switches to a fail-safe mode of operation in which only one prime mover is operated.
Owner:PROJECT PHOENIX LLC

Oil level monitoring and leakage early warning system for hydraulic system of dredger and using method of oil level monitoring and leakage early warning system

The invention provides an oil level monitoring and leakage early warning system for a hydraulic system of a dredger, which relates to the technical field of hydraulic system monitoring and comprises a hydraulic oil tank, an actuating mechanism assembly connected with the hydraulic oil tank through a pipeline, a data processing unit, a multi-source sensing module, an early warning module and a control module, the multi-source sensing module comprises an integrated liquid level sensor, an actuating mechanism displacement sensor group, an attitude sensor and a temperature sensor, and is used for collecting hydraulic oil level, displacement of each actuating mechanism, ship trim / heeling angle and oil temperature data in real time; the dynamic compensation calculation module is connected with the data processing unit; and the intelligent early warning module is connected with the data processing unit. Normal change and leakage can be distinguished by calculating the oil level change caused by the action of the executing mechanism and the posture of the ship, early warning is conducted in time, pollution and economic losses are prevented, and the situation that when workers inject hydraulic oil, the hydraulic oil splashes, bubbles are generated, and a hydraulic element is damaged can be prevented.
Owner:CCCC GUANGZHOU DREDGING CO LTD

Integrated electro-hydraulic driving unit of marine anchor and mooring equipment

The invention discloses an integrated electro-hydraulic driving unit of a marine anchor and mooring machine. The integrated electro-hydraulic driving unit comprises an oil supplementing system, a main driving system, a control system, a safety system and a hydraulic motor, an oil supplementing pump in the oil supplementing system is connected with an oil drainage tank and communicated with a pressure oil tank in the main driving system, the pressure oil tank is communicated with a main pump in the main driving system through two third one-way valves, a port A and a port B of the main pump are communicated with a port A and a port B of a hydraulic motor respectively, and one ends of two safety valves in the safety system are connected with the port A and the port B of the main pump respectively. The other ends of the two safety valves are connected in parallel to a pipeline between the oil outlet of the pressure oil tank and the inlets of the two third one-way valves; a controller of the control system is in electric signal connection with the main motor; and an output shaft of the hydraulic motor is connected with an input shaft of the anchor windlass. Therefore, according to the design, the hydraulic pump station, the control valve and the hydraulic motor can be integrated, and the integration degree is high.
Owner:WUHAN MARINE MACHINERY PLANT

Hydraulic fluid release valve assemblies

Hydraulic fluid release valve assemblies are described herein. The hydraulic fluid release valve assemblies may include a hydraulic unit base with a hydraulic fluid return channel and a hydraulic fluid release valve that is at least partially inserted in the hydraulic fluid return channel. The hydraulic fluid release valve assembly may further include a driving assembly to contact with the hydraulic fluid release valve to apply a pushing force on the hydraulic release valve to open the hydraulic fluid release valve, and an electrically powered driver connected to the driving assembly, the electrically powered driver, when actuated, causes the driving assembly to move to apply the pushing force to the hydraulic fluid release valve.
Owner:ROADTEK ENTERPRISES INC

Variable mechanism in asymmetric pump

The invention discloses a variable displacement mechanism in an asymmetric pump, relates to the technical field of fluid transmission and control, and aims at solving the problems that an existing variable displacement mechanism is large in auxiliary oil source pressure, high in energy consumption and poor in control stability due to the fact that a swash plate is affected by one-way torque due to the oil port pressure difference of an axial plunger pump with three flow distribution windows. The variable displacement mechanism in the asymmetric pump comprises a variable displacement cylinder, wherein the variable displacement cylinder comprises a first cylinder barrel and a second cylinder barrel which are oppositely arranged in the movement direction of a piston; the piston is arranged in the first cylinder barrel and the second cylinder barrel; the first piston rod and the second piston rod are respectively arranged at two ends of the piston; the first piston rod is sleeved with the first stiffness spring, the second piston rod is sleeved with the second stiffness spring, and the stiffness of the first stiffness spring is larger than that of the second stiffness spring; and the at least two stop blocks are fixed on the inner wall of the first cylinder barrel. The pressure of the auxiliary oil source in the asymmetric pump is reduced, and the control stability is improved.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Supercritical CO2 vulcanizing machine hydraulic station heat dissipation and heat recovery system

The invention discloses a supercritical CO2 vulcanizing machine hydraulic station heat dissipation and heat recovery system, which relates to the technical field of hydraulic systems, and comprises a hydraulic oil tank unit and a gasification coil pipe arranged in a hydraulic oil tank, the temperature sensor is used for monitoring the hydraulic oil temperature in real time; the flow regulating valve is connected with the gasification coil pipe; wherein the temperature control system comprises a PLC (Programmable Logic Controller) and an upper computer, and the PLC is used for receiving data acquired by the temperature sensor, transmitting the acquired data to the upper computer through a modbus protocol for data processing and executing heat dissipation control; the dynamic temperature prediction module and the supercritical CO2 generation unit are connected through a pipeline, and the supercritical CO2 generation unit and the hydraulic oil tank unit are connected through a pipeline; and the heat energy recovery and utilization unit comprises a high-pressure coil pipe and a heat storage medium used for absorbing and storing heat transferred by the high-pressure coil pipe, centralized monitoring and management of equipment are conveniently achieved, and meanwhile the heat energy centralized recovery efficiency and scale benefits are improved.
Owner:DEKUN HYDRAULIC TECHNOLOGY (NANTONG) CO LTD

A pneumatic system for a vehicle

A pneumatic system for a vehicle, comprising an air compressor for pressurizing an air tank. A flow passage extending from compressor is bifurcated to a first valve and to a second valve. The first valve has a first state preventing air from passing to the air tank, and has a second state allowing air to pass to the air tank. In a first mode of operation of the pneumatic system, the first vale is in said first state and the second valve controls air flow from the compressor to ambient environment. The second valve is configured to change to, or remain in, an open state when the pressure of the air upstream of the second valve is higher than a predetermined threshold, and to change to, or remain in, a closed state when the pressure of the air upstream of the second valve is lower than the predetermined threshold.
Owner:VOLVO TRUCK CORP

Quick liquid filling hydraulic system of broken line type efficient multi-cutter shearing machine

The utility model provides a broken line type efficient multi-cutter shearing machine rapid liquid filling hydraulic system which comprises an oil pump motor set component system used for providing hydraulic energy, and the oil pump motor set component system is connected with a shearing oil cylinder used for executing shearing action and a control valve component system of the shearing oil cylinder. The oil pump motor set component system is connected with a material pressing oil cylinder used for executing the material pressing action and a control valve component system of the material pressing oil cylinder. The shearing oil cylinder and the control valve component system thereof and the pressing oil cylinder and the control valve component system thereof are simultaneously connected with the liquid filling component system; the liquid filling component system is connected with the air source component system; and the circulating cooling component system is connected with the main oil tank through an oil return pipe. The utility model provides an auxiliary return stroke control system while overcoming the negative pressure liquid filling defect of the traditional liquid filling system. And the effective working efficiency of the gantry type scrap steel shearing machine is effectively improved. Therefore, the equipment capacity is improved, and the environment-friendly effects of energy conservation and emission reduction are achieved.
Owner:HUBEI LIDI MACHINE TOOL

Systems, devices, and methods for a hydraulic robotic arm

A robot includes a body, a first robotic arm physically coupled to the body, and a first discrete hydraulic system comprising a first plurality of hydraulic components. The first robotic arm includes a first end effector. The first hydraulic system is operable to control the first end effector. The first plurality of hydraulic components are integrated with the first robotic arm. In some implementations, the robot includes a second robotic arm physically coupled to the body, and a second discrete hydraulic system consisting of a second plurality of hydraulic components. The second robotic arm includes a second end effector. The second hydraulic system is operable to control the second end effector. The second plurality of hydraulic components are integrated with the second robotic arm. The second hydraulic system is hydraulically-isolated from the first hydraulic system.
Owner:SANCTUARY COGNITIVE SYST CORP

Hydraulic oil-circuit system and hydraulic jack

A hydraulic oil-circuit system and a hydraulic jack are proposed. The hydraulic oil-circuit system includes a hydraulic cylinder, an oil loading chamber, a storage oil chamber and an oil unloading pipeline; a piston is arranged in the hydraulic cylinder and divides the hydraulic cylinder into a first hydraulic oil chamber and a second hydraulic oil chamber; the first hydraulic oil chamber has a first oil port, and the second hydraulic oil chamber has a second oil port; the first oil port and the second oil port are both in unidirectional communication with the oil loading chamber and are both in unidirectional communication with the storage oil chamber; and the oil unloading pipeline connects the oil loading chamber and the storage oil chamber.
Owner:HANGZHOU TIANMING TECH CO LTD

Integrated hydraulic oil tank

The utility model discloses an integrated type hydraulic oil tank which comprises an integrated type hydraulic oil tank body and an installation sleeve seat, the integrated type hydraulic oil tank body is located in the installation sleeve seat, the bottoms of the two sides of the installation sleeve seat are fixedly connected with connecting bottom plates, and a connecting top plate is arranged above the connecting bottom plates. A sealing plate is hinged to one side of the connecting top plate, an elastic rubber wall is arranged between the connecting top plate and the connecting bottom plate, a supporting plate is arranged on one side of the elastic rubber wall, and a mounting groove is formed between one side of the supporting plate and the mounting sleeve seat. According to the integrated hydraulic oil tank, external vibration can be prevented from directly acting on the exterior of the integrated hydraulic oil tank body to damage the integrated hydraulic oil tank body, in addition, the ambient temperature around the integrated hydraulic oil tank body can be reduced under the action of the radiator, and the heat dissipation efficiency of the integrated hydraulic oil tank body can be improved.
Owner:XIAN LEEO HYDRAULIC EQUIP

Aircraft store ejector system

An aircraft store ejector systems and subsystems thereof. Embodiments can include a two-reservoir re-pressurization system wherein a remote reservoir is used to maintain desired pressure in a local ejector reservoir. The system can include a release valve having a vent valve and valve piston. The release valve can control release of pressurized gas to a pitch control valve. The pitch control valve can be configured to distribute the pressurized gas between two or more ejector piston assemblies. One or more of the ejector piston assemblies can include multiple concentric piston stages and piston chambers, the piston chambers configured to contain a volume of gas. The ejector piston assemblies can be configured to compress the volume of gas within the piston chambers as the piston stages are extended out from the aircraft. Such compression can provide a return force to the piston stages.
Owner:MARVIN ENG CO

Double-machine hydraulic pump station for coal mine overhead man-riding device

The invention discloses a double-unit hydraulic pump station for a coal mine aerial passenger device, and relates to the technical field of double-unit hydraulic pump stations, the double-unit hydraulic pump station comprises an oil tank mechanism, the oil tank mechanism comprises an oil tank, a strong magnet is arranged at the bottom of an inner cavity of the oil tank, an oil return filter is arranged at the top of the oil tank, and a net type filter is arranged in the oil tank; and the power device is arranged at the top of the oil tank mechanism and comprises a motor. The design that continuous operation is guaranteed through double-machine redundancy is adopted, the power device is provided with two sets of independent motors, hydraulic oil pumps and matched assemblies, the single set operates under the normal working condition, when one set breaks down, oil ways of a main oil pipe and an oil return pipe are rapidly switched by switching a reversing valve of the assembly, and the other set immediately works; the overhead man-riding device is prevented from being shut down due to single-machine faults, maintenance without shutdown is achieved, maintenance can be conducted under the condition that operation of the other set is not affected after fault sets are switched, and normal use of the man-riding device does not need to be interrupted.
Owner:SHIJIAZHUANG YIDELONG ELECTROMECHANICAL EQUIP MFG CO LTD

Fitting for through-wall penetration of a composite vessel

A composite vessel and fitting for a through-wall penetration having an exposed end grain. The fitting includes a sealing surface arrangement that seals against the composite vessel and prevents leakage of the vessel contents while protecting the end grain from exposure to internal fluid and / or external environment. The fitting includes an outer part, an inner part, and a through-wall part extending between the inner and outer parts across the penetration. An outer seal arrangement includes an outer seal having a first sealing surface that seals against the outer surface of the composite vessel to restrict environmental contaminants migrating to the end grain. An inner seal arrangement includes at least one inner seal having second and third sealing surfaces. The second sealing surface seals against the inner surface of the composite vessel and the third sealing surface seals a leak path or interface between the inner part and through-wall part to restrict internal fluid migrating to the end grain.
Owner:PARKER HANNIFIN CORP

Integrally-bent hydraulic oil tank

The utility model belongs to the technical field of oil tank machining, and particularly relates to an integrally-bent hydraulic oil tank which comprises a tank body, a base is fixedly installed at the bottom of the tank body, the tank body is integrally formed and comprises a plurality of side plates connected end to end, a vertical bending line is arranged between every two adjacent side plates, and each side plate is bent towards the same side along the corresponding vertical bending line. According to the utility model, a steel plate is subjected to one-time blanking and is integrally bent and formed, so that the number of welding seams of the oil tank is reduced, the production process is simplified, and the product quality is improved.
Owner:WEIFANG CHENLONG INTELLIGENT TECHNOLOGY CO LTD

Electro-hydraulic integrated push rod

The electro-hydraulic integrated push rod comprises a hydraulic cylinder and a drive control assembly which are sequentially connected, the hydraulic cylinder comprises a cylinder barrel assembly, and a piston rod is arranged in the cylinder barrel assembly in a sliding mode; the driving control assembly comprises a driving module, a valve block and an oil tank assembly, and the valve block is mounted at the tail end of the oil tank assembly; the driving module comprises a driving motor, the driving motor is arranged at the rear end of the valve block, a motor shaft of the driving motor penetrates through the center of the valve block to be connected with a bidirectional gear pump, and the bidirectional gear pump is arranged in the oil tank assembly; the system further comprises a PLC control system. The PLC control system comprises a PLC and a power module. The hydraulic cylinder and the driving control assembly are arranged in a split mode, meanwhile, the valve block is arranged on the outer side of the oil tank, the requirements that an electro-hydraulic integrated push rod is compact in structure and easy to disassemble and assemble are met, maintenance and replacement are convenient, and the characteristics that an electric push rod is small in size and flexible in configuration and the characteristics that an oil hydraulic cylinder is stable in work, high in reliability and small in high-speed impact force can be integrated.
Owner:SHIJIAZHUANG HYDRAULIC CO LTD

Cooling device for hydraulic oil tank of paste filling pump and control method

The invention belongs to the technical field of filling pump equipment and provides a paste filling pump hydraulic oil tank cooling device and a control method.The paste filling pump hydraulic oil tank cooling device comprises a first heat exchange assembly and a second heat exchange assembly, the first heat exchange assembly comprises a heat exchange oil tank, a first heat exchange water path is arranged in the heat exchange oil tank, the water inlet end of the first heat exchange water path communicates with a water supply part, and the water outlet end of the first heat exchange water path communicates with a heat dissipation water tank; the second heat exchange assembly comprises a liquid outlet pipe fitting, the liquid outlet pipe fitting penetrates through the interior of the hydraulic oil tank, the water inlet end of the liquid outlet pipe fitting communicates with the water supply part, and the water outlet end of the liquid outlet pipe fitting communicates with the heat dissipation water tank; when the valve assembly is in a closed state, the water supply part supplies water to the liquid outlet pipe fitting, and when the valve assembly is in an open state, the water supply part supplies water to the first heat exchange water way and the liquid outlet pipe fitting. Two sets of heat exchange ways are arranged, the heat exchange efficiency is high, and the oil temperature in the hydraulic oil tank is kept stable in the pumping interval.
Owner:XUZHOU CUMT BACKFILL TECH

Hydraulic system for wheel clamp of ship unloader

The invention discloses a hydraulic system for a wheel clamp of a ship unloader, which belongs to the technical field of hydraulic systems and comprises an oil tank and an oil pumping component assembled in the oil tank, a valve group is assembled on the oil tank, an energy accumulator is assembled on the outer wall of the oil tank and connected with the valve group through a connecting pipe, and the oil pumping component comprises a motor mounted on the oil tank. An oil pump connected with the output end of the motor is assembled in the oil tank; the input end of the oil pump is connected with an oil suction filtering unit through an oil suction pipe; by arranging the oil suction filtering unit and the replacing unit, efficient replacement of a filter is achieved, an electric push rod drives a guide rod to move, so that a mounting frame is automatically transferred between an oil tank and an operation box, a first motor drives a shaft rod to rotate a rotating seat, and rapid switching of a short transverse rod from a vertical state to a horizontal state is achieved; meanwhile, the oil tank does not need to be opened in the replacement process, and external dust and impurities can be effectively prevented from entering the oil tank.
Owner:CHANGZHOU QUNYI ELECTROMECHANICAL MFG CO LTD

Rope sawing machine hydraulic system controlled by proportional valve

The invention discloses a rope saw hydraulic system controlled by a proportional valve, and belongs to the technical field of rope saw hydraulic control. Comprising an oil tank, a first filter part, a first motor, a first hydraulic pump, a first one-way valve, a second one-way valve, a temperature sensor, an oil return filter, an air cooler, a first proportional valve, a second proportional valve, a first pressure sensor, a second pressure sensor, a second motor, a second filter part, a second hydraulic pump, a liquid level sensor, an air filter, an electric proportional reversing valve, an electromagnetic ball valve, an energy accumulator and a tensioning oil cylinder. The second motor is in transmission connection with a second hydraulic pump, an oil inlet of the second hydraulic pump is communicated with the oil tank through a second filter part, an oil outlet of the second hydraulic pump is communicated with an oil inlet of a second proportional valve, and an oil outlet of the second proportional valve is communicated with an oil inlet of an electric proportional reversing valve. The rope sawing machine hydraulic system controlled by the proportional valve has the beneficial effect that the sawing rope is prevented from being broken.
Owner:HANGZHOU QINGLIU HYDRAULIC EQUIP MFG CO LTD

Electric control hydraulic actuator oil can with ventilation cooling structure

The utility model discloses an electric control hydraulic actuator oil can with a ventilation cooling structure. The technical problem that potential safety hazards exist due to the fact that gaseous oil can not be cooled in time in an existing oil can is solved. The oil can comprises an oil can body, and an oil injection hole and an oil outlet which are formed in the oil can body, a partition plate is transversely arranged in the oil can body, an oil cooling area is defined by the partition plate and the upper portion of the oil can body, and an oil storage area is defined by the partition plate and the lower portion of the oil can body. An air hole is formed in the partition plate and is used for communicating the oil cooling area with the oil storage area; the interior of the oil cooling area is of a labyrinth structure formed by separation of a first baffle, and the first baffle is arranged on the inner wall of the oil can body and inclines downwards. The oil injection hole is located above the oil can body. An oil injection pipeline is arranged in the oil can body, one end of the oil injection pipeline is communicated with the oil injection hole, and the other end is connected with the partition plate and enables the oil injection hole to be communicated with the oil storage area. The oil outlet hole is located in the lateral lower portion of the oil can body and used for being communicated with the electric control hydraulic actuator.
Owner:SHAANXI FAST GEAR CO LTD

Compact easy-to-control shallow sea buoy hydraulic system and working method thereof

The invention discloses a compact and easily-controlled shallow sea buoy hydraulic system and a working method thereof. The system comprises a telescopic rod, a piston, an inner oil tank, a first one-way valve, a second one-way valve, a gear pump motor set, a normally-closed two-position two-way reversing valve and an outer oil bag. The piston is arranged in the inner oil tank, connected with the telescopic end of the telescopic rod and driven by the telescopic rod to do linear motion in the inner oil tank. The inner oil tank is provided with two oil ports, one oil port is connected to the outer oil bag through a first one-way valve, and the other oil port is connected with an oil outlet of the gear pump motor set through a second one-way valve. An oil inlet of the gear pump motor set is connected with one port of the normally-closed two-position two-way electromagnetic directional valve, and the other port of the normally-closed two-position two-way electromagnetic directional valve is connected with the outer oil bag. The system is compact in structure, only one electromagnetic directional valve and two one-way valves are used in use of the valves, and the number of elements and the size of the system are remarkably reduced.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY CHINESE ACAD OF SCI

Piston oil tank having safety valve, and riveting tool

The present invention discloses a piston-type oil tank with safety valve and a riveting tool, relating to the technical field of riveting tools. In the first aspect, a piston-type oil tank with safety valve comprises a tank body, with a separator piston arranged inside the tank body, and also an oil inlet and an air outlet provided at the front and rear ends of the separator piston respectively. The separator piston is arranged with a penetrated safety valve core, a support frame is arranged at the end of the safety valve core facing the air outlet, and a stop plate is provided at the end of the safety valve core facing the oil inlet, with the length of the safety valve core greater than that of the separator piston; an oil discharge groove is provided on the side wall of the safety valve core, and when the support frame presses against the end face where the air outlet is located, the oil discharge groove connects the spaces on both sides of the separator piston, and an oil outlet gap is reserved between the support frame and the end face where the air outlet is located. In the second aspect, a riveting tool comprises the aforementioned piston-type oil tank with safety valve and also a pump body, wherein the tank body is connected to the pump body. The present invention features a longer service life and higher safety.
Owner:MEISHAN CRRC FASTENING SYST CO LTD +1

Hydraulic system

The utility model belongs to the technical field of injection molding machines, and particularly relates to a hydraulic system which comprises a power mechanism, a control valve set, an executing mechanism, an oil tank and an oil supplementing mechanism. A fourth oil inlet of the executing mechanism is communicated with a second oil outlet of the control valve group, and a fourth oil outlet of the executing mechanism is communicated with a third oil inlet of the control valve group; a fifth oil inlet of the oil tank is communicated with a third oil outlet of the control valve group, and a fifth oil outlet of the oil tank is communicated with a first oil inlet of the power mechanism; a sixth oil inlet of the oil supplementing mechanism is communicated with an oil drainage port of the oil tank, and a sixth oil outlet of the oil supplementing mechanism is communicated with an oil supplementing inlet of the oil tank; the power mechanism can pump hydraulic oil in the oil tank into the control valve set, the hydraulic oil is released into the executing mechanism through the control valve set so that the executing mechanism can complete injection molding, the hydraulic oil passing through the executing mechanism flows back into the oil tank, and the oil supplementing mechanism can supplement the hydraulic oil into the oil tank.
Owner:CHEN HSONG MASCH SHENZHEN CO LTD +2

Hydraulic regenerative braking system

A hydraulic regenerative braking system is provided for using hydraulic fluid to capture energy from a vehicle during a braking event. The system captures kinetic energy from a shaft of the vehicle and stores the kinetic energy as hydraulic potential energy. That is, the system captures rotational energy as hydraulic potential energy in an accumulator. The hydraulic regenerative braking system also discharges the hydraulic potential energy as kinetic energy. During braking, kinetic energy is transferred from the vehicle shaft to a gearbox, and from the gearbox to a hydraulic pump. The hydraulic pump uses the kinetic energy to pump hydraulic fluid to an accumulator, increasing the hydraulic potential energy stored in the accumulator. During driving, the hydraulic fluid is released from the accumulator to the hydraulic pump, generating kinetic energy that is transferred to the vehicle shaft via the gearbox.
Owner:HIT THE BRAKES LLC

Dual-power high-position vehicle

The invention discloses a dual-power high-position vehicle, which belongs to the technical field of garbage trucks, and comprises a chassis, an upper part, a hydraulic system, a chassis power system and an electric driving system, and the upper part, the hydraulic system, the chassis power system and the electric driving system are all arranged on the chassis. The chassis power system and the electric driving system are both used for pressurizing hydraulic oil in the hydraulic system, the chassis power system and the electric driving system operate independently or cooperatively, and the hydraulic system drives the loading device to complete garbage collection, compression or unloading. According to the invention, the fuel consumption of the vehicle is reduced, energy is saved, and the transportation benefit of a user is improved; no tail gas is discharged, and the environment-friendly effect is good; abrasion of parts such as a chassis engine and a gearbox is reduced, and early damage is prevented; the chassis power system can still be used in some places without an alternating current power supply.
Owner:CHONGQING ENDURANCE & SHINMAYWA IND

Airplane hydraulic oil tank real-time oil quantity monitoring system based on multi-sensor fusion

The invention discloses a multi-sensor fusion aircraft hydraulic oil tank real-time oil mass monitoring system which comprises a sensor module, a data acquisition module, a data processing module and a display alarm module. The invention relates to the technical field of aircraft hydraulic system monitoring, in particular to a multi-sensor fusion aircraft hydraulic oil tank real-time oil mass monitoring system, which measures the oil mass of an aircraft hydraulic oil tank by adopting three sensors with different principles, namely a capacitive sensor, an ultrasonic sensor and a pressure sensor. And the data of each sensor is processed by using a data fusion algorithm, so that the advantages of each sensor are brought into full play, and the defects of measurement of a single sensor are overcome. The capacitance type sensor can sensitively reflect subtle changes of the oil quantity, the ultrasonic sensor is not affected by factors such as oil impurities, the pressure sensor can reflect the overall quality of oil in the oil tank, and after the capacitance type sensor, the ultrasonic sensor and the pressure sensor are fused, the oil quantity monitoring precision and reliability are greatly improved.
Owner:CIVIL AVIATION UNIV OF CHINA

Low-noise aircraft fatigue test hydraulic pump station

The utility model discloses a low-noise aircraft fatigue test hydraulic pump station, which comprises an oil storage tank, a hydraulic pump station and a hydraulic pump station, the hydraulic pipeline is used for allowing hydraulic oil to circulate, the hydraulic pipeline is at least provided with an oil inlet and an oil return port, and the oil inlet and the oil return port are both communicated with the containing space in the oil storage tank; the pump assembly is arranged at the top of the oil storage tank, and the pump assembly is used for driving the hydraulic oil to flow in the hydraulic pipeline; the silencing shell is arranged at the top of the oil storage tank, and the pump assembly and the hydraulic pipeline are both located in the silencing shell; and the noise reduction cover body is arranged in the noise reduction shell, the noise reduction cover body is arranged on the pump assembly in a covering mode, and working noise can be greatly reduced.
Owner:WUXI FUTURE AVIATION EQUIP TECH CO LTD

Automatic oiling and low liquid level alarm device for hydraulic station of elevator

The utility model relates to an elevator hydraulic station automatic oiling and low liquid level alarm device which comprises a hydraulic station oil tank and a centralized gas station, an oil pump is arranged at the centralized gas station and communicated with the hydraulic station oil tank through a pipeline, and a transparent oil window is arranged on one side of the hydraulic station oil tank and communicated with the hydraulic station oil tank through a pipeline. The automatic oiling and low-liquid-level alarm device comprises a transparent oil window, a first liquid level sensor and a second liquid level sensor are installed on the transparent oil window, the first liquid level sensor is arranged above the second liquid level sensor, and the automatic oiling and low-liquid-level alarm device of the elevator hydraulic station further comprises a controller. The controller is electrically connected with the first liquid level sensor, the second liquid level sensor and the oil pump. Therefore, the automatic oiling function of the device can ensure that the hydraulic station is always kept at a proper oil level, and abrasion caused by poor lubrication of hydraulic components due to insufficient oil is avoided. Normal operation of the hydraulic station can be guaranteed, oil waste can be prevented, and the resource utilization efficiency is improved.
Owner:INNER MONGOLIA JINTAO CO LTD

Hydraulic station for multi-cylinder cone crusher

The utility model provides a hydraulic station for a multi-cylinder cone crusher, which comprises a chassis, an oil tank arranged on the chassis, a cooling system comprising an air cooling box arranged above the oil tank, a motor and a liquid level meter arranged on one side of the oil tank and an electric cabinet arranged on the other side of the oil tank. The electric cabinet is arranged on one side of the oil tank, the valve block is arranged above the oil tank, an outer tank cover is further arranged above the oil tank, an oil way is arranged in the outer tank cover, the lower end of the electric cabinet is connected with an electric cabinet support and is fixed to the oil tank through the electric cabinet support, a base is arranged on the oil tank, an opening door is arranged on the base, and the opening door is connected with the valve block. The hydraulic control device has the advantages that hydraulic control over the cone crusher can be achieved, and cooling is conducted in an air cooling mode.
Owner:ZHENGZHOU JIANSHENG HYDRAULIC TECHNOLOGY CO LTD