143 results about "High pressure chamber" patented technology

A reusable upper stage rocket or other atmospheric re-entry vehicle includes a nose, a base opposite the nose, and a propulsion engine toward the base. The propulsion engine includes a high pressure chamber and a nozzle configured to exhaust gas generated by the high pressure chamber. The nozzle includes an initial nozzle portion, a secondary nozzle portion downstream of the initial nozzle portion, and a nozzle exit at a downstream end of the secondary nozzle portion. The secondary nozzle portion includes an inner expansion surface, an outer expansion surface outboard of the inner expansion surface, and an expansion cavity defined between the inner expansion surface and the outer expansion surface.

The invention discloses a gas film performance test system and method for a hollow single crystal turbine blade, relates to the technical field of optical cables, and can solve the problem that the gas film performance of the hollow single crystal turbine blade is difficult to test at present. The embodiment of the invention discloses a hollow single crystal turbine blade gas film performance test system, which comprises a simulation cabin, a shooting assembly, a first gas supply assembly and a second gas supply assembly, and is characterized in that a high pressure chamber is arranged in the simulation cabin, the first gas supply assembly is communicated with the high pressure chamber, and one end, far away from the first gas supply assembly, of the high pressure chamber is provided with an exhaust port; a blade mounting chamber is arranged on the rear side surface of the simulation cabin; the second gas supply assembly is communicated with the blade mounting chamber and is used for supplying colored gas to the inner cavity of the blade; the shooting assembly comprises a first camera and a second camera, and the first camera and the second camera are arranged at the top and the bottom of the simulation cabin respectively.

The utility model discloses a device for puncturing a cotton piece, which comprises a rack and a controller, and a humidifying chamber, a high-pressure chamber and a drying chamber are arranged on the rack. According to the device, a traditional needling technology is abandoned, high-pressure air is adopted as a medium, when a humidified cotton piece passes through a high-pressure chamber, the cotton piece is punctured through the high-pressure air sprayed out of a high-pressure box, and double-face puncturing of the cotton piece is achieved through the special space layout of a first conveying mesh belt and a second conveying mesh belt; strong pressure enables fibers on the surface of the cotton piece to move to the deep layer of the cotton piece, fibers in the fiber web are mutually entangled, the tension of the cotton piece is improved, the cotton piece is finally subjected to air high-pressure puncture and high-temperature treatment, the shape of the formed cotton piece is changed, the cotton fiber reaches ideal throwing degree, the tension reaches the required standard, and meanwhile, due to no strong intervention of physical felting needles, the cotton piece can be well fixed. And the fluffy feeling of the surface of the cotton piece cannot disappear.

The invention discloses a rapid deployment method and system for a mobile high-voltage chamber, and relates to the technical field of high-voltage chamber deployment. According to the method, preliminary exploration is completed by establishing an exploration machine group composed of a plurality of unmanned aerial vehicles, and a deployment area is formed in combination with ground personnel checking and site optimization; after being preassembled in a factory, the mobile high-pressure chamber is transported by a heavy truck with a hydraulic suspension system and is matched with laser positioning and AR alignment to realize high-precision hoisting; electrical equipment adopts an automatic docking mechanism composed of a prefabricated cable primary and secondary connector and an electric push rod to complete docking, and is equipped with an annular air bag to deal with rain and snow weather. The problems of low investigation efficiency, poor positioning precision, insufficient electrical docking reliability and poor protection in severe weather in traditional deployment are solved, the mobile high-voltage chamber deployment efficiency and stability are remarkably improved, and the mobile high-voltage chamber deployment method is suitable for electric power emergency guarantee, electric power construction in remote areas and temporary power utilization scenes.

The present invention belongs to the field of impact testing technology and discloses a buffering friction brake device suitable for high-speed moving objects of varying diameters. The device comprises a high-pressure gas chamber and a guide cylinder sealed to the high-pressure gas chamber. A quick-response pressure relief device is provided at one end of the gas chamber connected to the guide cylinder. The accelerated object is positioned on the side of the quick-response pressure relief device away from the high-pressure gas chamber. The guide cylinder is provided with a braking device comprising: a friction sleeve movably disposed within the guide cylinder, the friction sleeve having a buffering energy-absorbing structure therein; and a braking friction sleeve fixed to the end of the guide cylinder, the braking friction sleeve having a brake friction pad therein. A control method is also provided. The device and method are simple in structure, reduce costs, and improve safety and stability.

The invention relates to the technical field of prefabricated substations, in particular to an outdoor prefabricated substation. Comprising a transformer substation body, the interior of the transformer substation body is divided into a high-voltage chamber, a transformation chamber and a low-voltage chamber, a protection chamber is installed in the low-voltage chamber, a load switch is installed in the protection chamber, the protection chamber comprises a base, and the top of the base is fixedly connected with a top frame; two side protection covers are slidably mounted between the base and the top frame, a driving mechanism is mounted in the base, the driving mechanism drives the side protection covers to be closed to form a sealed space, internal air is pumped out through a negative pressure pump, oxygen is reduced, and the oxygen is provided for fire. Therefore, the problem that in the background technology, the body is exposed in the air in the fire disaster, and consequently the fire behavior is aggravated is solved.

The invention provides an ultrahigh pressure sterilization device for litchi juice production, and belongs to the technical field of food non-thermal processing. The device comprises a high-strength ultrahigh-pressure cavity, a pressurizing pump, an inert gas protection tank, a temperature regulation and control module, a tank body sealing cover and an intelligent control cabinet. During working, nitrogen or argon is filled before pressurization to replace oxygen in the cavity, so that the oxygen concentration is less than or equal to 1%; and then maintaining the pressure for 2-8 minutes under the conditions that the pressure is 300-600 MPa and the temperature is 5-25 DEG C, so that efficient sterilization is realized, browning is effectively inhibited, and vitamin C and natural flavor are reserved. The device adopts the mesh basket with micropore distribution to ensure uniform pressure transmission, integrates automatic discharging and CIP cleaning functions, and is suitable for continuous production of pulp-containing litchi pulp. The total bacterial count of the treated litchi juice is smaller than or equal to 10 CFU / mL, the retention rate of vitamin C is larger than or equal to 90%, the color difference change is small, and the shelf life at 4 DEG C reaches 30 days or above and is remarkably superior to that of a traditional heat sterilization process.

The invention discloses a fire early warning method and system for a high-voltage chamber, a switching station and a power distribution room, and belongs to the technical field of fire early warning, and the fire early warning method for the high-voltage chamber, the switching station and the power distribution room comprises the steps: obtaining monitoring quantities in the high-voltage chamber, the switching station and the power distribution room, and constructing a monitoring quantity operation safety domain; comprehensively judging an abnormal monitoring quantity separated from the operation safety domain based on an out-of-limit criterion and a two-dimensional discrete wavelet transform modulus maximum; predicting the development and change trend of the abnormal monitoring quantity based on the bidirectional long-short-term memory network, and obtaining a predicted value within a set time after the current measured value of the abnormal monitoring quantity; and if the predicted value meets any rule in the early warning rule base, triggering a three-level early warning system associated with the fire occurrence urgency degree, and sending out an early warning signal and / or starting a linkage measure. According to the invention, the reliability, rapidity and sensitivity of fire early warning are improved by effectively identifying, processing and utilizing the multi-dimensional abnormal information appearing before the fire occurs and reasonably using the artificial intelligence algorithm at a proper time.

The plunger pump comprises a pump body, a high-pressure cavity, a low-pressure cavity and a pressure regulating valve, the high-pressure cavity, the low-pressure cavity and the pressure regulating valve are arranged in the pump body, a mounting part is arranged on one side of the pump body, a mounting groove is formed in the mounting part, a first flow channel and a second flow channel are formed in the side wall of the mounting groove, the first flow channel is communicated with the low-pressure cavity, and the second flow channel is communicated with the low-pressure cavity. The runner II is communicated with the high-pressure cavity; a choke plug is inserted in the mounting groove, and a first circulation groove and a second circulation groove are formed in the choke plug. A steel ball is arranged in the first circulation groove, a supporting ring is arranged in the mounting groove, a placing ring groove is formed in the position, corresponding to an inlet of the first flow channel, of the bottom of the mounting groove, a spring is placed in the placing ring groove, the spring penetrates through an inner hole of the supporting ring and extends into the first circulation groove, and the top end of the spring abuts against the steel ball. The low-load soft start circuit can realize low-load soft start.

An orthoplanar spring for a hydraulic tensioner which has a flat, closed position, in which a flat center portion of the orthoplanar spring seals the inlet hole between the oil supply and the high pressure chamber of the tensioner and an open deformed position in which the flat center portion of the orthoplanar spring moves a distance to unseal the inlet hole such that fluid flows from the inlet supply through the openings in the orthoplanar spring and around the flat center portion to the high pressure chamber.

The present application relates to the technical field of cooling liquid treatment, in particular to a cooling liquid heat dissipation device for a machine tool cooling system, comprising a low-pressure chamber and a high-pressure chamber, a heat exchange unit is arranged in the middle of the low-pressure chamber, the inside of the low-pressure chamber is provided with a steam area and an atomization area on the upper and lower sides respectively, an atomizer capable of atomizing part of the cooling liquid stored in the atomization area is arranged in the atomization area, and a liquid supply pipe is arranged at the bottom of the low-pressure chamber; by atomizing and low-pressure evaporating part of the cooling liquid, the cooling liquid can absorb heat and exchange heat with the cooling liquid in the heat exchange unit, so that the cooling and heat dissipation treatment of the cooling liquid is realized; this method does not need to rely on other media, is convenient to operate, saves cost, and the atomization treatment can improve the evaporation effect and evaporation efficiency.

1. The name of the design product: electronic device for high pressure oxygen cabin password operation graphical user interface. 2. The use of the design product: an electronic device. 3. The design points of the design product: the graphical user interface of the high pressure oxygen therapy device. 4. The picture or photo that best shows the design points: design 1 interface change state figure 3. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the graphical user interface for the high pressure oxygen therapy device, which guides the user to enter the interface and realize the function operation related to the work of the high pressure oxygen therapy device. 7. The human-computer interaction mode of the graphical user interface: design 1 main view is the initial interface; in the state of starting, click anywhere on the interface to jump to design 1 interface change state figure 1; click the "eye" pattern on the right of "please enter the password" on design 1 interface change state figure 1, and input the correct password, then display design 1 interface change state figure 2 to close the password interface; click the "complete" button in design 1 interface change state figure 2 to jump to design 1 interface change state figure 3; click "internal atmosphere lamp" or "external atmosphere lamp" in design 1 interface change state figure 3, then display design 1 interface change state figure 4; click the "kangyao start" button in design 1 interface change state figure 4, if the device fails, then display design 1 interface change state figure 5. Design 2 main view is the initial interface; in the state of starting, click anywhere on the interface to jump to design 2 interface change state figure 1; click the "eye" pattern on the right of "please enter the password" on design 2 interface change state figure 1, and input the correct password, then display design 2 interface change state figure 2 to close the password interface; click the "complete" button in design 2 interface change state figure 2 to jump to design 2 interface change state figure 3; click the "kangyao start" button in design 2 interface change state figure 3, if the device fails, then display design 2 change state figure 4.

A scroll compressor is provided. The scroll compressor includes a housing, a fixed scroll member and an orbiting scroll member housed in the housing, the orbiting scroll member configured to be engaged with the fixed scroll member and orbitable with respect to the fixed scroll member to compress a working fluid, a partition configured to partition a space in the housing into a high-pressure chamber and a low-pressure chamber, and a positioning member provided between the partition and the fixed scroll member and configured to position one of the partition and the fixed scroll member with respect to the other of the partition and the fixed scroll member upon assembly. According to the scroll compressor of the present disclosure, by positioning the positioning member directly between the partition and the fixed scroll member, a tolerance chain between a discharge assembly and the fixed scroll member is shortened, and a tolerance between the discharge assembly and the fixed scroll member can be reduced.

The present invention discloses a ball-type pneumatic valve pressure stabilization device and experimental method in the field of pressure stabilization experimental technology. The ball-type pneumatic valve pressure stabilization device includes a hydraulic controller, a hydraulic actuator, a compression plate, a compression spring, a ball cap, a valve ball, a nozzle, a mounting bracket, a high-pressure chamber, a pressure sensor, and a pipeline interface. Pressure sensors and pipeline interfaces are provided on both sides of the high-pressure chamber. A nozzle and a mounting bracket are provided on the top of the high-pressure chamber. A hydraulic actuator is provided on the top of the mounting bracket, and the hydraulic actuator is electrically connected to the hydraulic controller. A compression plate and a compression spring are installed in sequence below the hydraulic actuator. The bottom of the compression spring is sleeved on the top of the ball cap. The valve ball is installed between the ball cap and the nozzle. The ball-type pneumatic valve pressure stabilization device and experimental method have a simple structure, are easy to process and install, and have low maintenance costs.

The hydraulic lash adjuster comprises a shell assembly and a plunger, the shell assembly is provided with an exhaust part, an oil supply chamber is arranged in the plunger, and the plunger is movably connected to the interior of the shell assembly and matched with the shell assembly to form a high-pressure chamber and a leakage gap communicated with the high-pressure chamber. The leakage gap and the exhaust part are independently arranged, the exhaust part can block oil in the high-pressure chamber and exhaust gas in the oil out of the shell assembly towards the side deviating from the high-pressure chamber, and meanwhile the invention further discloses an engine applying the hydraulic gap adjuster and a vehicle applying the engine. The technical problem that the working reliability is insufficient due to the fact that gas separated out of oil in a high-pressure chamber in an existing hydraulic lash adjuster is accumulated and cannot be discharged in time is solved.

The utility model discloses a be applicable to high altitude type wind power box transformer of north guizhou area, including wind power box transformer body, high pressure chamber, low pressure chamber and transformer room are arranged in wind power box transformer body respectively, install wind power step -up transformer on transformer room, through set up anti -icing mechanism mechanism etc.

A compressor unit includes a compressor body including a compression mechanism, and an accumulator connected to the compressor body. The compression mechanism includes a cylinder, a piston to rotate eccentrically in the cylinder, and a blade partitioning an interior of a compression chamber of the cylinder into low and high pressure chambers. A frequency one time an operation frequency n of the compressor body and a frequency three times the operation frequency n of the compressor body are a 1n frequency and a 3n frequency, respectively. A phase difference θ between a phase of a transfer function of the 1n frequency of the accumulator and a phase of a transfer function of the 3n frequency of the accumulator is −20°≥θ≥−60° with respect to a peak of the 1n frequency where the phase lag is positive, at a maximum number of revolutions of the compressor body.

The utility model belongs to the technical field of hydraulic devices, and provides a reversing valve and a hydraulic breaking hammer, the reversing valve comprises a fixed part and a movable part arranged in the fixed part in a sliding mode, and the fixed part and the movable part are matched to form a high-pressure cavity, a pressure relief cavity and a signal cavity. The signal cavity is arranged between the high-pressure cavity and the pressure relief cavity, a low-pressure stabilizing hole channel and a high-pressure stabilizing hole channel are formed in the movable part, and the two ends of the low-pressure stabilizing hole channel are suitable for being communicated with the signal cavity and the pressure relief cavity respectively when the movable part is located at the lower position. The two ends of the high-pressure stabilizing hole channel are suitable for being communicated with the signal cavity and the high-pressure cavity respectively when the movable part is located at the upper position. The hydraulic breaking hammer provided by the utility model comprises the reversing valve. According to the reversing valve and the hydraulic breaking hammer, the probability that the surface of a movable part of the reversing valve is scratched is effectively reduced, and the service life of a workpiece is effectively prolonged.

The utility model relates to a relay structure. A high voltage relay structure of cooling and pressure adjustment, including the bottom plate, install the cover on the bottom plate, install the static contact piece on the cover, install the push rod structure and the movable contact piece in the cover, push rod structure drives movable contact piece axial movement, the cover forms a closed cavity, install one inside cover on the bottom plate, the inside cover separates the closed cavity into the outer cavity and the inner cavity, the position of movable contact piece and static contact piece meet is located in the outer cavity, the closed cavity of inside cover formation is the inner cavity, install at least one constant pressure valve on the inside cover. The utility model provides a high voltage relay structure of cooling and pressure adjustment of simple structure can carry out cooling and pressure reduction to high pressure chamber, prolongs the service life, reduces the failure rate, solves the technical problem that the high voltage relay of prior art can only rely on product self heat dissipation, and heat dissipation is slow, influences product service life and stability.

The invention relates to an oil-free scroll compressor (2.1) for generating compressed air, comprising at least one stator scroll (6) that is fastened to a housing-mounted base plate (4), and an impeller scroll (10) that is arranged on a movable base plate (8), wherein the stator scroll (6) and the impeller scroll (10) axially inter-engagingly define pressure chambers (12), wherein the housing-mounted base plate (4) includes at least one cooling channel (22, 22') through which a cooling fluid can flow, wherein at least one outlet port (14) for letting compressed air flow therethrough is formed in the housing-mounted base plate (4), the outlet port (14) in the housing-mounted base plate (3) being fluidically connected to an adjacent high-pressure chamber (30, 86). In this scroll compressor, according to the invention, a side wall (38) and / or a bottom wall (34) of a lidded housing (32) that surrounds the high-pressure chamber (30), or a side wall (84) of a high-pressure chamber housing (83) connected to the housing-mounted base plate (4), is designed as a heat exchanger (56, 88) for the generated compressed air, said heat exchanger being coolable by means of a cooling fluid.

To provide a steam sterilizer capable of reducing a magnitude of sound generated when steam is exhausted from a high pressure chamber.SOLUTION: The steam sterilizer according to the present invention includes a chamber 10 capable of accommodating an object to be sterilized, a heater for heating a liquid, a liquid storage tank 20, a drain pipe, a first on-off valve 44, an exhaust pipe 42, a second on-off valve 45, a common pipe 43, and a control unit. The control unit is configured such that, after sterilizing the object to be sterilized, it opens the first on-off valve to start discharging the liquid through the drain pipe, and then opens the second on-off valve to start discharging gas through the exhaust pipe. The drain pipe has a first portion 411 connecting the chamber and the first on-off valve, and a second portion 412 connecting the first on-off valve and the common pipe, the second portion being formed longer than the shortest distance between the first on-off valve and the common pipe.SELECTED DRAWING: Figure 1

This invention relates to electric and hydraulic machines. An electric and hydraulic machine includes: a housing defining a motor chamber and a pump chamber; a motor including a rotor and a stator positioned within the motor chamber; and a pump including a pumping element positioned within the pump chamber, the pumping element being movable by the motor to discharge fluid from the pump chamber. The pump chamber includes a low-pressure chamber and a high-pressure chamber, a unit inlet defined by the housing and communicating with the low-pressure chamber, and a unit outlet defined by the housing and communicating with the high-pressure chamber. The pump chamber is positioned radially inward of the motor chamber such that the pump is nested within the motor. A radial cooling channel extends radially from the low-pressure chamber to the motor chamber, such that fluid in the pump chamber communicates with the rotor and the stator to cool the motor.

The utility model discloses a novel gas turbine waste heat boiler header which comprises a header body, the header body is divided into a header left barrel and a header right barrel through a middle partition plate, a high-pressure cavity and a medium-pressure cavity which are independent are formed, and the high-pressure cavity and the medium-pressure cavity are connected with heating surface tube bundles of a high-pressure economizer and a medium-pressure economizer respectively. The left header barrel and the right header barrel are located on the same axis. The header structure is shared by the high-pressure economizer and the medium-pressure economizer, double-system splicing is achieved by segmenting the header and using the middle partition plate, traditional modular limitation is broken through, the transverse row number of the heating surface of the medium-pressure economizer can be dynamically adjusted, and therefore the approaching point temperature is accurately controlled, and the waste heat utilization efficiency is improved.

The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a high pressure chamber configured to form a treating space for performing a supercritical treating process therein; a substrate support unit configured to support a substrate at the treating space; a fluid supply unit configured to supply a treating fluid to the treating space; and an exhaust unit configured to exhaust an atmosphere of the treating space, and wherein the fluid supply unit comprises a cover plate opposite to a treating surface of a substrate supported by the substrate support unit, and having a supply hole for supplying the treating fluid to the treating surface.

This utility model discloses a negative pressure liquid cooling system, belonging to the field of liquid cooling heat dissipation technology for electronic devices. It includes a low negative pressure chamber, a high pressure chamber, and a replenishment / drainage module. The low negative pressure chamber is connected to the high pressure chamber via a pump-driven module, which transports coolant from the low negative pressure chamber to the high pressure chamber. The replenishment / drainage module is connected to both the low negative pressure chamber and the high pressure chamber. A heat exchange module and a filter module are also provided between the pump-driven module and the high pressure chamber. The inlet end of the heat exchange module is connected to the pump-driven module, and the outlet end of the heat exchange module is connected to the inlet end of the filter module. The outlet end of the filter module is connected to the inlet end of the high pressure chamber. A purification module is located between the heat exchange module and the high pressure chamber and is installed in parallel with the filter module. This utility model uses a pump to achieve fluid flow from the low negative pressure chamber to the high pressure chamber, realizing a stable flow rate or pressure difference output from the high pressure chamber to the low negative pressure chamber, forming a closed-loop circulation system.

The utility model discloses a compact box-type transformer substation, and the transformer substation comprises a box body which is internally provided with an installation space; the oil tank is arranged in the middle in the mounting space, a high-voltage chamber is arranged on the high-voltage side of the oil tank, a low-voltage chamber and an operation chamber are arranged on the low-voltage side of the oil tank, a circuit breaker and a mutual inductor are arranged in the high-voltage chamber in the longitudinal direction, and the low-voltage chamber and the operation chamber are arranged in parallel in the transverse direction. The high-voltage chamber longitudinally extends along the high-voltage side of the oil tank, so that high-voltage equipment such as a circuit breaker and a mutual inductor forms a longitudinal equipment belt perpendicular to the ground in a three-dimensional space, the axial arrangement not only compresses the transverse occupied space of the high-voltage equipment, but also deconstructs a high-voltage cabinet body in traditional plane arrangement into a three-dimensional integrated module through longitudinal stacked installation. A high-voltage conductor connection path is shortened.

The utility model relates to the field of air suspension, concretely relates to an air suspension gas path system, contains air compression unit, air spring unit, low pressure control unit, high pressure control unit and the gas storage unit that constitutes by double -cavity gas holder, double -cavity gas holder contains low pressure chamber and high pressure chamber, realizes high low pressure gas zoning storage, and when high pressure chamber fails, low pressure chamber can work as spare chamber and continue to work, and through specific venting pipeline connection and control valve cooperation between each unit, can realize multiple gas path control, and the air suspension gas path system pressure is accurately regulated, the utility model discloses through the redundancy design of double -cavity gas holder and promotes the reliability of whole system, utilizes closed -loop gas circulation and further reduces energy consumption, and with the pressure monitoring of multi -valve combination realizes accurate control, forms whole chain safety mechanism, solves traditional system gas storage single, pressure control inflexible, low reliability etc.

This application discloses a box-type transformer device for preventing condensation from waste heat, relating to the field of box-type transformers. It includes a box housing containing a transformer chamber, a low-pressure chamber, and a high-pressure chamber. The transformer chamber houses a transformer and a heat collection hood, which is located above the transformer. The hood's opening faces vertically, and its radial dimension gradually decreases from bottom to top. A duct is connected to the top of the duct, with one end of the duct away from the duct located at the bottom of the low-pressure chamber and / or the high-pressure chamber. Exhaust vents are provided at the top of the low-pressure chamber and the high-pressure chamber, connecting them to the external space. This application utilizes the heat generated during transformer operation to form a hot airflow, which dehumidifies the air in the high-pressure and low-pressure chambers. It has the advantages of low cost, simple structure, and low energy consumption.

The utility model relates to a foam spherical pig hydrostatic test deformation measuring device, which is used for measuring the deformation of a foam spherical pig in a hydrostatic test process, and comprises a deepwater hyperbaric cabin and a foam spherical pig limiting frame, and the foam spherical pig limiting frame is arranged in the deepwater hyperbaric cabin and is used for fixing the foam spherical pig in the deepwater hyperbaric cabin; a measuring scale is arranged on the foam spherical pig limiting frame in the moving direction of the foam spherical pig, an underwater line laser is arranged in a manner of being aligned with the foam spherical pig, and the underwater line laser is used for emitting linear light to the foam spherical pig close to the upper part of the measuring scale and sharpening the linear light to form a laser band; and at least one underwater camera is arranged in alignment with the laser band and the measuring scale, and the underwater camera is used for observing and measuring the length of the laser band of the foam spherical pig before and after pressurization through the measuring scale. The deformation of the foam spherical pig under the liquid high pressure is obtained according to two times of length changes of the laser band of the foam spherical pig before and after pressurization.

The present invention discloses a load-sensitive, high-flow, constant-pressure power device, comprising a primary device, a secondary device, a tertiary device, and a control system, arranged sequentially from bottom to top. The primary device comprises a primary high-pressure chamber and at least one high-pressure medium power unit disposed within the primary high-pressure chamber, the primary high-pressure chamber being provided with at least one first flow channel connected to the secondary device. The secondary device comprises a secondary high-pressure chamber and a pressure-reducing device disposed within the secondary high-pressure chamber, the pressure-reducing device being provided with at least one valve, the secondary high-pressure chamber being provided with a pressure relief valve and a second flow channel connected to the tertiary device. The tertiary device comprises a third-stage high-pressure chamber, the upper end of the third-stage high-pressure chamber being provided with a cylinder, the third-stage high-pressure chamber being provided with a pressure-reducing valve connected to the cylinder, and a pressure sensor being provided within the cylinder. The present invention can provide a high-flow, high-pressure medium, achieve stable and controllable flow, and can quickly adjust and stably control the supply of high-pressure medium according to load changes.