13 results about "Water weights" patented technology

The utility model provides a multifunctional turning-over pad for preventing pressure injury, which relates to the technical field of medical auxiliary appliances, and comprises a turning-over pad main body, two parallel recesses for placing legs, an arc-shaped part and an arc-shaped surface arranged on the turning-over pad main body, the arc-shaped surface is formed on a contact surface between the arc-shaped part and a bed body and is easy to turn over towards two sides, and the arc lines are asymmetrical; the plane parts are arranged on the two sides of the turning-over cushion body, when the two legs are located on the same vertical line, the plane parts and the bed body form a supporting face, and the protruding parts are formed by digging the two sunken parts of the turning-over cushion body to form protrusions located between the two legs. According to the turnover mat, the water bags located in the turnover mat body are arranged, in the turnover process of the turnover mat body, the turnover mat can easily help a patient to turn over in a water weight transfer mode, meanwhile, after the turnover action of the patient occurs, pressure damage between the two legs is prevented, and the effect of the turnover mat is more comprehensive.

The application provides a kind of water quality detection device with display function of suspension, belong to water quality detection technical field;Including spherical shell, the middle position of the inside of spherical shell is fixed with baffle, baffle separates and forms cavity one and cavity two in spherical shell inside portion.This application is through the setting of spherical shell, inner sphere, water quality detection sensor, spherical shell floats on water surface, starts water pump and draws water to cavity two, water quality detection sensor in cavity two detects the water sample flowing into cavity two, and with the increase of water quantity in cavity two, spherical shell sinks due to water weight, cavity two water sample detection is completed, servo motor of turnover mechanism drives inner sphere rotation, makes water supply hole turn to cavity one, water pump fills water for cavity one, water quality detection sensor detects again, so as to realize the detection of water quality at different depths in river, and after detection is completed, drainage pump empties the water of cavity one and cavity two, spherical shell floats back to water surface, and can float with water flow, and the detection range is wider and more flexible.

The present invention discloses an experimental device for accurately measuring buoyancy in soil layers, eliminating friction and negative pore pressure. The device comprises a truncated cone body, a base plate, a ventilation pipe, and a water-adding baffle. The truncated cone body is an inverted cone with a hollow interior and an open top. Its lower end has a base plate. The base plate has several through-holes, and a polyvinylidene fluoride film is affixed to its lower surface. The water-adding baffle is fixed within the truncated cone body. The lower end of the ventilation pipe interfaces with the central through-hole of the water-adding baffle. During the experiment, the outer wall of the truncated cone body is coated with lubricating silicone grease, and an earth pressure cell and a pore-water pressure gauge are installed at the center of the lower surface of the polyvinylidene fluoride film. The truncated cone body is then placed into the soil, with the base plate positioned above the soil layer to be measured. Water is then added to the cavity above the water-adding baffle. The water in the truncated cone body is then gradually drained. When the readings of the earth pressure cell and the pore-water pressure gauge are equal, drainage is stopped, and the residual water weight is calculated. The sum of the residual water weight and the weight of the experimental device is the buoyancy of the soil layer.

The utility model discloses a portable water weight moving device which comprises moving devices and a water weight bracket, and the left side and the right side of the water weight bracket are movably connected with the moving devices. The moving device comprises a base, universal wheels, stand columns, a lifting frame and a lifting device, the universal wheels are arranged at the bottom of the base, and the stand columns are arranged on the left and right sides of the top surface of the base; the two stand columns are movably sleeved with the lifting frame. The lifting frame is movably connected with the water weight bracket; the lifting device is fixedly arranged on the base, and the top of the lifting device is fixedly connected with the middle position of the lifting frame. The device for conveniently moving the water weight is researched and developed for the maintenance station, the water weight is moved after being lifted through the water weight bracket and the lifting frame, the water weight can be moved to a designated area only through single-person operation, and the safety of a construction area is ensured; the problem that the water weight is too far away from the construction point and loses the anti-collision effect due to the fact that the water weight is difficult to move after water adding can be solved, and meanwhile water source waste caused by repeated water drainage and water injection is not needed.

A water weight distribution system control method based on liquid level and flow includes: step one, input target aircraft center of gravity, set target center of gravity difference threshold, start adjustment program; step two, obtain the flow of the transmitted liquid weight medium through the flow sensor, and calculate the current center of gravity position of the aircraft based on the flow, obtain the liquid level of each water tank through the liquid level sensor, and calculate the current center of gravity position of the aircraft based on the liquid level; step three, real-time monitor the aircraft center of gravity position based on the flow and the aircraft center of gravity position based on the liquid level; step four, in the case that at least one of the difference between the aircraft center of gravity position based on the flow and the target center of gravity position and the difference between the aircraft center of gravity position based on the liquid level and the target center of gravity position is less than the target center of gravity difference threshold, it is determined that the target center of gravity has been adjusted. Through the dual-redundancy control method, the center of gravity adjustment result can be reliably ensured.

The invention provides an unpowered movable water cannon support utilizing water weight stabilization and water pressure lifting, which comprises a box body, an unpowered telescopic assembly is arranged in the box body, the end part of the telescopic assembly extends out of the top surface of the box body when the telescopic assembly contracts, a water hose is arranged in the telescopic assembly, and the water hose is connected with the box body. The end of the water hose extends out of the telescopic assembly and is connected with a water cannon, and the water hose drives the telescopic assembly to extend after being injected with water. The box body is provided with two groups of water inlet ends, the water inlet ends are communicated with the box body, the other water inlet end penetrates through the box body and the telescopic assembly to be communicated with the water hose, before the equipment is used, the bottom water tank is empty, the telescopic assembly retracts into the chassis, the equipment is very light and small in size, and a firefighter can easily carry the equipment on the back to walk by a single person; when the water cannon reaches a fire extinguishing site, the chassis is placed on the ground, a water hose is connected for water supply, the chassis is firstly filled with water, the balance and stability of the water cannon are realized through the weight of the water in the chassis, and the extension and retraction of the telescopic assembly are realized by adjusting the water pressure.

The present invention relates to a manned submersible balancing and automatic longitudinal tilt adjustment device and adjustment method, comprising a pressure-resistant shell in which a plurality of seats for passengers are installed, a pressure sensor is installed on the bottom of each seat, and the pressure sensor detects the weight of the passengers on the seats, and a ballast water tank is provided one by one directly below each seat; for a single seat, the sum of the weight of the passengers on the seat and the amount of water in the ballast water tank below is equal to a preset value; the device also comprises a water supply and drainage component for supplying and draining water to each ballast water tank, and the water supply and drainage component and each pressure sensor are electrically connected to a remote control component; by weighing the passengers on the seats and supplying and draining water to each ballast water tank separately, the sum of the weight of the passengers on the corresponding seats and the weight of the water in the ballast water tank below is equal to and consistent with the preset value, thereby making the manned submersible as a whole balanced and presenting a longitudinal tilt angle of 0, thereby realizing automatic synchronous adjustment, saving time and labor, having good effects, and greatly facilitating actual use.

A hydraulic gate capable of promoting the gate to be closed comprises longitudinal beams, cross beams and a panel. A frame structure composed of a plurality of cross beams and longitudinal beams is fixed to the panel, a through hole is formed in the bottom of the panel, a rotatable bottom edge is arranged at the front end of the through hole, and the size of the bottom edge is larger than that of the through hole, so that the through hole can be blocked when the bottom edge is closed; bottom edge lifting lugs are arranged on the upper surface and the lower surface of the bottom edge and used for being connected with a door opening traction rope and a door closing traction rope. A door opening guide ring is installed at the front end of a cross beam of the gate, a door closing guide ring is installed on a panel, and a door opening traction rope is connected with a bottom edge lifting lug on the upper surface of the bottom edge through the door opening guide ring and used for opening the bottom edge. The door closing traction rope is connected with a bottom edge lifting lug on the lower surface of the bottom edge through a door closing guide ring and used for closing the bottom edge. The holes are formed in the gate panel, the water retaining area of the gate is adjusted through the bottom edge, the water thrust and friction force are changed, meanwhile, the action area of water weight is adjusted through the bottom edge, the water gravity is changed, and finally the gate is promoted to be closed.

The utility model provides an unpowered mobile water cannon support utilizing water weight stabilization and water pressure lifting, which comprises a box body, an unpowered telescopic component is arranged in the box body, the end part of the telescopic component extends out of the top surface of the box body when the telescopic component contracts, a water hose is arranged in the telescopic component, and the water hose is connected with the box body through a connecting rod. The end of the water hose extends out of the telescopic assembly and is connected with a water cannon, and the water hose drives the telescopic assembly to extend after being injected with water. The box body is provided with two groups of water inlet ends, the water inlet ends are communicated with the box body, the other water inlet end penetrates through the box body and the telescopic assembly to be communicated with the water hose, before the equipment is used, the bottom water tank is empty, the telescopic assembly retracts into the chassis, the equipment is very light and small in size, and a firefighter can easily carry the equipment on the back to walk by a single person; when the water cannon reaches a fire extinguishing site, the chassis is placed on the ground, a water hose is connected for water supply, the chassis is firstly filled with water, the balance and stability of the water cannon are realized through the weight of the water in the chassis, and the extension and retraction of the telescopic assembly are realized by adjusting the water pressure.

The present invention belongs to the technical field of refrigeration equipment, and specifically relates to a method for controlling the timed dumping of defrost water in an air curtain cabinet. The method comprises: disposing a liftable return air damper on the outside of the return air inlet of the air curtain cabinet, and disposing a weight sensor under the water receiving box; presetting the defrost water dumping cycle and the defrost water weight threshold within each dumping cycle in the control system, and setting multiple monitoring time points within each dumping cycle; first, moving the liftable return air damper to a preset reference height; then, starting a timer to time the dumping cycle, reading the actual weight of the defrost water at each monitoring time point to compare it with its theoretical weight, and determining the difference between the actual weight cycle change rate of the defrost water and the theoretical weight cycle change rate, so as to automatically adjust the height of the liftable return air damper and achieve control of the defrost water weight within each dumping cycle. The present invention solves the problem of users having to frequently check whether the water receiving box is full, and achieves the timed dumping of defrost water in the air curtain cabinet.

The utility model discloses a production area cofferdam flood discharge device belongs to hydraulic equipment field, including the enclosure board, the inside fixed mounting of enclosure board has the drain pipe, the front fixed mounting of enclosure board has the connecting pipe, the top fixed mounting of connecting pipe has the water guide subassembly, the one end fixed connection of connecting pipe away from water guide subassembly is in the drain pipe, the one end fixed mounting of drain pipe away from connecting pipe has the receiving seat, the inside fixed mounting of receiving seat has the barrier component. The utility model has the beneficial effects that: through the mode that the drainage and the water weight of ponding push the water level ball and push the rod displacement in the connecting pipe to extrude the sealing board and the extension spring, can realize the effect that the drain pipe can realize the effect of self -draining under the heavy rain weather, and the water level hole on the upper portion of the enclosure board realizes the double drainage effect of top and bottom, and the ponding in the production area surrounded by the enclosure board is discharged quickly, and then reduces rainwater into the production process.

The invention discloses a flowing power generation device which is characterized in that the weight of water inclines downwards in a drainage pipe to generate water pressure and water power for water circulation, drainage pipe flowing, air pressure drainage and air pressure accelerated operation. Comprising a water storage tank, a supporting body, a pressurizing water pipe, a pressurizing bottle, an extraction opening, a water switch, a water switch, a water switch, a water drainage pipe, a water drainage pipe, a water drainage pipe, a water inlet, an exhaust pipe, a pool, a generator, a water drainage port, a water drainage port, a water feeding pipe, a funnel-shaped upper part, a cone-shaped lower part, a circulating water pipe, an air inlet and outlet pipe, a pool, a connecting point and a water switch. The generator is connected with a drain pipe which is connected with a pressurizing bottle and water in a pool. The hydraulic power generation device has the advantages that the weight of water inclines downwards in the drainage pipe to generate water pressure and hydraulic power, water circulation is conducted, drainage pipe flowability, air pressure drainage and air pressure accelerated operation flowability are conducted, and compared with a traditional hydraulic power generation device, the efficiency is higher, and the construction cost is lower.

A water weight roller force rotating machine belongs to the field of energy and can effectively utilize water resources in low-fall water areas, the water weight is utilized to drive a roller to rotate to generate rotating force, and the diameter, the length and the blade width of the roller can be customized according to the water inflow of an upper water level and the formed fall, so that the limited water resources can be effectively utilized, and the water resources are saved. The equipment can be used for generating electricity, and other equipment can be driven to increase the height of water for diversion or energy storage.