10results about How to "Achieve pressure" patented technology

The application discloses a hydrogen production and hydrogenation integrated station control method, which comprises hydrogen production equipment, a hydrogen buffer tank, a first-stage compressor, a first-stage hydrogen storage tank, a second-stage compressor, a second-stage hydrogen storage tank and hydrogenation equipment which are sequentially connected; during hydrogenation, the hydrogen production equipment, the first-stage compressor, the second-stage compressor and the hydrogenation equipment are controlled to work according to the relationship between the pressures of the hydrogen buffer tank, the first-stage hydrogen storage tank, the second-stage hydrogen storage tank and the hydrogenation equipment when the hydrogenation equipment works and the maximum filling pressure allowed for the hydrogenation equipment, the first preset pressure, the second preset pressure, the maximum allowable working pressure of the second-stage hydrogen storage tank, the fourth preset pressure, the minimum inlet air pressure of the first-stage compressor, the maximum allowable working pressure of the first-stage hydrogen storage tank, the third preset pressure, the maximum allowable working pressure of the hydrogen buffer tank and the minimum inlet air pressure of the second-stage compressor. The application realizes on-demand start and stop of hydrogen production, reduces loss, prolongs the service life of equipment, reduces cost and production hidden danger.

The invention discloses a pressure balancing part for a continuous wave mud pulse generator, and relates to the technical field of underground drilling tool equipment. The device comprises an axially telescopic transmission shaft piece and an auxiliary transmission piece, the auxiliary transmission piece is fixed on a mounting sleeve of the pulse generator, a rotary valve of the pulse generator is connected to a telescopic shaft of the transmission shaft piece, and the telescopic shaft of the transmission shaft piece penetrates through the rotary valve to be connected with the auxiliary transmission piece. A rotary valve rotor of the rotary valve is fixedly connected with a telescopic shaft of the transmission shaft piece, and a rotary valve stator is rotationally connected with the rotary valve rotor; when the transmission shaft piece drives the rotary valve rotor to rotate relative to the rotary valve stator, the telescopic shaft drives the rotary valve to integrally move in the axial direction of the mounting sleeve under the connection matching of the telescopic shaft of the transmission shaft piece and the auxiliary transmission piece. In the slurry throughput change process of the rotary valve, the rotary valve is made to make adaptive movement along the rotating axis of the rotary valve through the cooperation effect of the transmission shaft piece capable of stretching and retracting in the axial direction and the auxiliary transmission piece, so that the pressure at the position of the rotary valve is dynamically balanced.

The utility model provides a kind of pressure control device for longitudinal ventilation and smoke exhaust of rail transit tunnel, comprising: horizontal diffuser duct, one end of the horizontal diffuser duct is connected with the upper side portion of flow guide duct, another end of the horizontal diffuser duct is provided with interface three for intercommunication with external two-way reversible tunnel ventilator, compared with prior art, the utility model has the following two beneficial effects: by setting horizontal diffuser duct, flow guide duct, relying on the flow guiding and pressurizing effect of flow guide duct and adjustable angle nozzle, the air flow rate of tunnel along the driving direction can be effectively improved, the air leakage in the opposite direction of tunnel is reduced, the equipment size of tunnel ventilator and the civil engineering scale are reduced while providing equal air supply for fire section; by setting horizontal diffuser duct, electric air valve one, electric air valve two, simultaneously opening electric air valve one and electric air valve two, the fan efficiency and exhaust capacity of tunnel ventilator are significantly improved.

A micro-adjustment mechanism for an electric cylinder roller coating machine based on planetary rollers is disclosed for use in the field of mechanical transmission. A motor is connected to a planetary gear reducer, which is fixed to a bearing housing. The bearing housing is fixed to one end of a housing. The planetary gear reducer is connected to one end of a planetary roller screw via a coupling. An angular contact ball bearing is installed between the planetary roller screw and the bearing housing. One end of a push rod is connected to a nut, and the nut is connected to the planetary roller screw via a roller thread. The push rod is slidably connected to the housing. A sealing end cap is fixed to the other end of the housing by screws. A copper slider is provided between the sealing end cap and the push rod. A sealing ring is provided between the push rod and the sealing end cap. A spherical bearing is provided between the other end of the push rod and the spherical bearing housing ring. The spherical bearing cap is fixed to the push rod. The spherical bearing is connected to a pressure sensor, which is connected to the roller of the roller coating machine. This invention enables precise pressure adjustment of the roller coating machine, better meeting the coating thickness requirement of ≤0.005mm.

This invention relates to the field of medical device technology and discloses a pressure-adaptive ankle brace, comprising a first fastening part, an ankle protection part, and a second fastening part connected in sequence. The first fastening part is a transversely elongated structure that wraps around and fixes the upper part of the ankle. The second fastening part includes a first sub-strap and a second sub-strap, which pass through the sole of the foot and adhere to the first fastening part to secure the ankle. The first and second fastening parts are each equipped with adhesive components. A pressure sensor is provided in the inner layer of the ankle protection part. This invention changes the passive restraint mode of traditional ankle braces, achieving real-time pressure sensing and response.

The utility model relates to new energy vehicle motor manufacturing technical field especially relates to a test device. Among them, the bottom plate is provided with several installation grooves, and several installation grooves and several clamps are set up one to one, and the clamp can be installed in the installation groove, and the one end of the adjusting part passes through the fixed part and the moving part sliding connection, and the adjusting part can adjust the distance between the fixed part and the moving part, is used for clamping test copper wire, and the temperature sensor is arranged in the fixed part, and the temperature sensor is used for testing the temperature of test copper wire, and the pressure sensor is arranged in the fixed part, and the pressure sensor is used for testing the pressure that test copper wire bears. The device can realize the one-time test verification of multiple test samples through the setting of several clamps, improves the versatility of the test device, and the device can realize the pressure and temperature monitoring of the welding process through the integration of the temperature sensor and the pressure sensor, reduces the development process parameter error, reduces the process development part cost and manufacturing period, and meets the actual production demand.

The invention belongs to the technical field of internal pressure regulation of low-temperature refrigerant storage tanks, and particularly relates to a liquid helium Dewar pressure regulation device and method and application. Comprising a measuring element, a comparing element, an executing mechanism and a given element, the measuring element is used for measuring the internal pressure of the controlled object; the given element is a device for generating a given pressure signal; the comparison element is used for comparing the deviation between the input pressure signal and the feedback quantity; the execution mechanism can directly operate a controlled object. According to the device, the internal pressure of a liquid helium Dewar used for cooling a magnet coil is adjusted in the refrigerating process of the superconducting magnet. The liquid helium Dewar pressure adjusting device has the advantages of being low in cost, simple in structure, fast in pressure adjustment, sensitive in response, high in precision and the like, and automatic pressure adjustment and remote control operation can be achieved.

The utility model relates to the technical field of coating conveying, and discloses a mechanical coating pressure regulator which comprises an inlet pipe, the top of the outer wall of the inlet pipe is in threaded connection with an adjusting screw pipe, the inner wall of the adjusting screw pipe is fixedly connected with a limiting ring, and the top of the limiting ring is fixedly connected with a tension spring. The top of the tension spring is fixedly connected with a blocking ball, the top of the adjusting screw pipe communicates with a bottom cylinder, the top of the bottom cylinder is provided with a top cover cylinder, and the top of the top cover cylinder is provided with a plurality of fixing screws. According to the pressure adjusting device, the adjusting screw pipe enters the partition ring of the bottom cylinder, the adjusting screw enables the extrusion disc to slide in the shell, the spring is extruded, the limiting disc and the limiting chuck are clamped, when the pressure of the coating exceeds the elastic potential energy of the spring, the limiting chuck ascends, the coating flows out of the right side of the chuck and enters the connecting port, and pressure adjusting is achieved.

The application provides a leg assembly and a robot. The leg assembly comprises a piston rod, a piston tube, an elastic member and an adjusting assembly. One end of the piston rod is slidably inserted into the piston tube. The elastic member is arranged along the axial direction of the piston tube, and one end of the elastic member abuts against the piston tube, and the other end of the elastic member abuts against the piston rod. The end of the piston tube away from the piston rod is provided with a through hole, and the adjusting assembly is connected to the through hole. The adjusting assembly adjusts the flow state of the medium in the piston tube by closing or opening the through hole. In this way, the closing or opening of the through hole is controlled by the adjusting assembly to adjust the flow state of the medium in the piston tube, so as to realize the conversion of the elastic support and the rigid support of the leg assembly, thereby meeting the application scenarios of the elastic support and the rigid support.