80results about How to "Guaranteed buoyancy" patented technology

The invention discloses a rescue capsule which comprises a spherical capsule body, an operating device, a power device, an air exchange device and a living facility, wherein the operating device, the power device, the air exchange device and the living facility are arranged in the capsule body; and the operating device is connected with the power device and the air exchange device respectively. The whole rescue capsule is spherical; a shell is made by glass steel and anti-corrosion steel material; waterproof and fireproof cotton is used for filling a middle interlayer, so that fire can be prevented, and the floatage of a sphere can be guaranteed; even if the shell is cracked, the floatage of the waterproof cotton can still support the whole sphere, and the sphere cannot sink down; a balance facility is arranged at the bottom of the sphere, so that the sphere can permanently and perpendicularly float on a water surface and can be prevented from being turned over by sea waves; the operating device, the power device, the air exchange and the lifting facility are arranged inside the sphere; and under an emergency condition, dozens of people can synchronously enter the rescue capsule and safely live in the capsule body.

The invention relates to a machine fish, wherein it is characterized in that: it comprises a fish head module sealed, left and right chest fin modules, at least two driving modules, and caudal fin; said fish head module has controller and main motor for floating the left and right chest fin modules whose main axles via movable sealing device are connected to the main motor; the left and right chest fin modules both have assist motors to drive the chest fins up and down; the axle of chest fin via the movable sealing device is connected to the assist motors; the driving module via the swing rod is connected; the first driving module via the head-tail connector is fixed on the back of fish head module; the caudal fin via the connector is connected to the back of driving module. The invention can be used in underwater detection, etc.

The invention discloses a construction method of a pre-buried filling block in a cast-in-place concrete hollow floor. The construction method comprises the following steps that (1), preparation before filling is conducted; (2), a parameter of the light filling block is determined; (3), filling of the light filling block is conducted; (4), anti-floating and fixing treatment is conducted; (5), strengthening treatment is conducted; and (6), concrete pouring is conducted. The problem that a filling block moves during pouring due to unscientific fixing of a filling block of a concrete hollow floor is solved, and the construction method has the technical effect that the filling block is fixed in multiple directions and prevented from making displacement on the whole; in general, according to the construction method of the pre-buried filling block in the cast-in-place concrete hollow floor in the embodiment of the invention, through scientific design of an anti-floating net bar, the light filling block, a floor bottom bar and the specific position dimension, it is ensured that the light filling block, the floor bottom bar and the anti-floating net bar can be all infinitesimally influenced by the outside world even in the pouring and vibrating processes, and smooth implementation of overall construction is ensured.

The invention discloses a protecting device for a wave-energy power generating device. The protecting device comprises the wave-energy power generating device, an air inlet and water inlet pipe is arranged in the middle of the wave-energy power generating device, one end of the air inlet and water inlet pipe is connected with a hose, the other end of the air inlet and water inlet pipe is arranged in an air inlet and water drainage cabin which is arranged at the bottom of the wave-energy power generating device, a floating mat is arranged at the other end of the hose, floating balls are arranged all around the floating mat through connecting parts, floating balls and wind power generators are arranged on the upper surface of the floating mat, and a power conversion and power collection device is arranged in the floating mat; and drainage pipes are arranged on the air inlet and water drainage cabin, two fixing blocks are connected to the bottom of the air inlet and water drainage cabin through fixing block anchor chains, and multiple stabilizing blocks are arranged at the bottom of each fixing block. The protecting device for the wave-energy power generating device has the advantages of being capable of being suitable for bad weather, capable of better utilizing wind energy under bad weather and achieving multiple power generating modes, higher in safety and longer in service life.

The invention discloses a buoyancy-type automatic control valve which comprises a valve body and a buoyancy-type on / off component, wherein the buoyancy-type on / off component comprises a floater for providing buoyancy, a pressure regulating chamber, a diaphragm-type valve core component, a pressure relieving channel, a seal plug, a linkage element, wherein the pressure regulating chamber is arranged above a control chamber; the diaphragm-type valve core component is arranged in the pressure regulating chamber and is used for separating the water inlet of a water outlet channel and the water outlet of a water inlet channel; the pressure relieving channel is used for communicating the pressure regulating chamber with the external environment; the seal plug is used for sealing and blocking a pressure relieving channel; the linkage element is used for linking the floater and the seal plug; the linkage element comprises a lever, a rotary shaft positioned at one end of the lever and a transmission element arranged at the middle part of the lever; the rotary shaft is arranged on the valve body; the seal plug is arranged on the lever and is positioned between the rotary shaft and the transmission element; and the transmission element drives the lever to rotate along the rotary shaft under the driving of the floater, and further drives the seal plug to perform the action of sealing and blocking the pressure relieving channel or opening the pressure relieving channel. The buoyancy-type automatic control valve provided by the invention is reasonable and compact in structure, has higher flexibility, and is difficult to damage.